Mr. And Mrs. Smith plan to roof the cabin on

2 consecutive days. Assuming that the chance of rain is

independent of the day, what is the probability that it

will rain both days?

A. 0. 04

B. 0. 08

C. 0. 16

D. 0. 20

E. 0. 40

Answers

Answer 1

From the given information provided, the probability that it will rain both days is 0.04 option A.

Since we are assuming that the chance of rain is independent of the day, we can use the multiplication rule of probability to find the probability that it will rain on both days.

Let's assume that the probability of rain on any given day is p. Then, the probability of no rain on that day is 1-p.

Therefore, the probability that it will rain on both days is:

P(rain on both days) = P(rain on day 1) × P(rain on day 2)

= p × p

= p²

Since the problem does not give us a specific value of p, we cannot determine the exact probability of rain on both days. However, we can use one of the answer choices to estimate the probability of rain on both days.

Looking at the answer choices, the only choice that is a perfect square is 0.04. Therefore, we can assume that p² = 0.04, which means that p = 0.2.

So, if the probability of rain on any given day is 0.2, then the probability of rain on both days is:

P(rain on both days) = p²

= 0.2²

= 0.04

Therefore, the answer is A. 0.04.

Learn more about probability here: brainly.com/question/24756209

#SPJ4


Related Questions

A line has a slope of – 9 and passes through the point (1, – 3). Write its equation in slope-intercept form.

Answers

Answer:

yytyyyyy

Step-by-step explanation:

Thomas bought 120 whistles, 168 yo-yos and 192 tops. He packed an equal amount of items in each bag. A) What is the maximum number of bag that he can get?

Answers

Thomas can pack the items into a maximum of 20 bags, with each bag containing 24 items after calculated with greatest common divisor.

To find the maximum number of bags Thomas can pack, we need to find the greatest common divisor (GCD) of 120, 168, and 192. The GCD will represent the maximum number of items that can be packed into each bag.

To find the GCD, we can use the Euclidean algorithm. First, we find the GCD of 120 and 168:

168 = 1 * 120 + 48

120 = 2 * 48 + 24

48 = 2 * 24 + 0

Therefore, the GCD of 120 and 168 is 24.

Next, we find the GCD of 24 and 192:192 = 8 * 24 + 0

Therefore, the GCD of 120, 168, and 192 is 24.

So, Thomas can pack 24 items into each bag. To find the maximum number of bags he can get, we divide the total number of items by 24:

Total number of items = 120 + 168 + 192 = 480

Number of bags = 480 / 24 = 20

Therefore, Thomas can get a maximum of 20 bags.

To learn more about Euclidean algorithm Click here:
brainly.com/question/13266751

#SPJ4

if (20x+10) and (10x+50) are altenative interior angle then find x ​

Answers

Answer:

x = 4

Step-by-step explanation:

Alternative interior angles means these angles are equal in magnitude and sign

[tex]{ \tt{(20x + 10) = (10x + 50)}} \\ \\ { \tt{20x - 10x = 50 - 10}} \\ \\ { \tt{10x = 40}} \\ \\ { \tt{x = 4}}[/tex]

(4) 2. Determine the exact answer for each of the calculations in question 2.1 above, by working out the errors caused by rounding, and compensating for them. 2.2.1. 723 + 586 2.2.2. 2850-1155

Answers

Up there for you to come in the first thing I can bring in your car and you can come in the first thing I can get it to where you want to come in and do something for you guys tomorrow and

Four fifths times five times two ninths

Answers

Answer:[tex]\frac{8}{9}[/tex]

Step-by-step explanation:

Four fifths=4/5

two ninths=2/9

[tex]\frac{4}{5} *5*\frac{2}{9}=\frac{8}{9}[/tex]

Assuming you meant ( four fifths ) * 5 * ( two ninths ), the answer would be 0.88888888888.

If you meant 4/5 x 5 and then x 2/9, the answer would be 8/9, because 4/5 x 5 is 4, and 4 x 2/9 is 8/9.

Let mz1 = x. Select all the angles that have a measure of 180 - x.

Answers

A, C, and D. The angles that have a measure of 180-x are angles that have a measure of 180 minus the value of x. In this case, x is equal to mz1, so the angles that have a measure of 180-x are √3, √5, and √10.

What is angle?

Angle is a mathematical concept that is used to measure the amount of rotation of a line or a plane around a point. An angle is typically measured in degrees, which is the unit of angular measurement. Angles are used in many different fields of mathematics, such as geometry, trigonometry, and calculus. In geometry, angles are used to measure the size of a triangle, the size of a circle, or the angle between two lines. In trigonometry, angles are used to solve problems involving the length of sides and the measure of an arc. In calculus, angles are used to measure the rate of change of a function.

To learn more about angle
https://brainly.com/question/25716982
#SPJ1

A rectangle's width is 1/2 of its length. its area is 388 square centimeters what are its dimensions

Answers

Let's assume that the length of the rectangle is x cm.

According to the problem, the width is 1/2 of the length. Therefore, the width is 1/2 x cm, or (1/2)*x cm.

The area of the rectangle is given as 388 square centimeters.

We know that the formula for the area of a rectangle is:

Area = Length x Width

So, we can plug in the values we have:

388 = x * (1/2)*x

Simplifying this equation:

776 = x^2

Taking the square root of both sides:

x = √776 ≈ 27.87 cm

Therefore, the length of the rectangle is approximately 27.87 cm, and the width is (1/2)*x, or approximately 13.94 cm.

So the dimensions of the rectangle are approximately 27.87 cm by 13.94 cm.

the graph represents the number of different tacos ordered for an office lunch. in total, how many tacos were ordered?

Answers

Answer:

do you have the graph to solve it?

9. Seven more than the quotient of a number b
and 45 is greater than 5.

Answers

Any number b greater than -90 will satisfy the inequality. We can express the solution in interval notation as: b ∈ (-90, ∞)

What is inequality?

An inequality is a mathematical statement that compares two values or expressions using the symbols "<" (less than), ">" (greater than), "<=" (less than or equal to), ">=" (greater than or equal to), or "≠" (not equal to).

According to question:

Starting from the given inequality:

7 + (b/45) > 5

We can solve for b by first subtracting 7 from both sides:

b/45 > 5 - 7

Simplifying the right-hand side:

b/45 > -2

Multiplying both sides by 45 to isolate b:

b > -2 * 45

b > -90

Therefore, any number b greater than -90 will satisfy the inequality. We can express the solution in interval notation as:

b ∈ (-90, ∞)

For example, x > 5 is an inequality that states that x is greater than 5, while y ≤ 10 is an inequality that states that y is less than or equal to 10.

To learn more about inequality visit:

https://brainly.com/question/30231190

#SPJ1

In 915. 23, the digit 3 is in the

place.

Answers

Answer:

hundreth

Step-by-step explanation:

the 2 is in the tenth and the 3 is in the hundreth

What is the circumference of the circle? Use 3.14 for π. circle with a segment drawn from the center of the circle to a point on the circle labeled 5 inches 31.40 inches 78.50 inches 15.70 inches 246.49 inches

Answers

Answer:

[tex] \Large{\boxed{\sf C = 31.40 \: inches}} [/tex]

[tex] \\ [/tex]

Explanation:

The circumference of a circle can be calculated using the following formula:

[tex] \Large{\sf C = 2 \pi r } [/tex]

Where:

C is the circumference of the circle.r is its radius.

[tex] \\ [/tex]

Since "a segment drawn from the center of a circle to a point on the circle" is actually the definition of the radius of said circle, we can take r = 5 inches.

[tex] \\ [/tex]

Applying our formula and using 3.14 for π, we get:

[tex] \sf C = 2 \times 3.14 \times 5in \\ \\ \implies \boxed{\boxed{\sf C = 31.4 \: inches = 31.40 \: inches}} [/tex]

Answer:

31.40 inches

Step-by-step explanation:

The circumference of a circle can be calculated using the formula:

[tex]\large\rm{Circumference = 2 \cdot \pi \cdot Radius}[/tex]

Given:

Radius = 5 inches

Substitute the given value into the formula:

[tex]\large\rm{Circumference = 2 \cdot 3.14 \cdot 5\: inches}[/tex]

Simplifying the expression:

[tex]\large\rm{Circumference = \boxed{\rm{31.40\: inches}}}[/tex]

[tex]\therefore[/tex] The circumference of the circle is 31.40 inches.

Kelly took three days to travel from City A to City B by automobile. On the first day, Kelly traveled 2/5 of the distance from City A to City B and on the second day, she traveled 2/3 of the remaining distance. Which of the following is equivalent to the fraction of the distance from City A to City B that Kelly traveled on the third day.A) 1−2/5−2/3B) 1−2/5−2/3(2/5)C) 1−2/5−2/5(1−2/3)D) 1−2/5−2/3(1−2/5)E) 1−2/5−2/3(1−2/5−2/3)

Answers

The equivalent fraction of the distance from City A to City B that Kelly traveled on the third day is D) 1−2/5−2/3(1−2/5).

What is the fraction?

The fraction represents a portion or part of a whole.

There are proper, improper, and complex fractions depending on the value of the numerator and the denominator.

The fractional distance traveled on day one = ²/₅

The remaining fractional distance = ³/₅ (1 - ²/₅)

The fractional distance Kelly traveled on day two = ²/₅ (²/₃ of ³/₅)

The fraction of the distance from City A to City B that Kelly traveled on the third day = ¹/₅ (1 - ²/₅ - ²/₅)

Thus, the equivalent fractional distance Kelly traveled on the third day is Option D.

Learn more about equivalent fractions at https://brainly.com/question/17220365

#SPJ1

Salaries for teachers in a particular state have a mean of $ 52000 and a standard deviation of $ 4800. a. If we randomly select 17 teachers from that district, can you determine the sampling distribution of the sample mean? Yes If yes, what is the name of the distribution? normal distribution The mean? 52000 The standard error? b. If we randomly select 51 teachers from that district, can you determine the sampling distribution of the sample mean? ? If yes, what is the name of the distribution? The mean? The standard error? C. For which sample size would I need to know that population distribution of X, teacher salaries, is normal in order to answer? ? v d. Assuming a sample size of 51, what is the probability that the sampling error is within $1000. (In other words, the sample mean is within $1000 of the true mean.) e. Assuming a sample size of 51, what is the 90th percentile for the AVERAGE teacher's salary? f. Assuming that teacher's salaries are normally distributed, what is the 90th percentile for an INDIVIDUAL teacher's salary?

Answers

a. Yes, the sampling distribution of the sample mean is a normal distribution with a mean of $52000 and a standard error of $\frac{4800}{\sqrt{17}}$.

b. Yes, the sampling distribution of the sample mean is a normal distribution with a mean of $52000 and a standard error of $\frac{4800}{\sqrt{51}}$.

c. You would need to know that the population distribution of X, teacher salaries, is normal in order to answer the questions regarding any sample size.

d. Assuming a sample size of 51, the probability that the sampling error is within $1000 is approximately 0.84 or 84%.

e. Assuming a sample size of 51, the 90th percentile for the average teacher's salary is approximately $54488.

f. Assuming that teacher's salaries are normally distributed, the 90th percentile for an individual teacher's salary is approximately $56396.

Learn more about mean:

https://brainly.com/question/20118982

#SPJ11

Segment addition and midpoints.

Answers

EH=EF+FH, we can replace the found values ​​with EF and FH to get EH=12+7=19.

How to solve the problem?

A line segment is a path between two measurable points. Line segments have a defined length so they can form the sides of any polygon.

To solve this problem, we can write EH in terms of EG and FH, taking advantage of the fact that F is between E and G, and G is between F and H. First, notice that EG+GF=EF. Substituting the given values, we get EF=9+3=12.

Then GF+FH=GH, so FH=GH-GF. Substituting in the given values, GH=10 and GF=3, so FH=10-3=7.

Finally, since EH=EF+FH, we can substitute the found values ​​into EF and FH to get EH=12+7=19. Therefore EH = 19

To know more about polygon visit:

https://brainly.com/question/24464711

#SPJ1

What are the zeros of the function? Set the function = 0, factor, and use the zero-product property. Show your steps!

f(x) = x² + 7x – 60

(100 POINTS AND BRAINLIEST)

Answers

The zeroes of the function are -12 and 5.

What is meant by Zeros of the function?

Zeros of a function are the values of the input variables that make the output of the function equal to zero. The zeros are the solutions of equation f(x) = 0.

According to the question:

To find the zeros of the function

f(x) = x² + 7x - 60, we must set f(x) equal to zero and solve for x.

So we start with the equation:

x² + 7x - 60 = 0

Next, we need to factor the left side of the equation. We are looking for two numbers that multiply to -60 and add to 7. After some trial and error, we find that the numbers are 12 and -5:

x² + 7x - 60 = (x + 12)(x - 5) = 0

Now we can apply the zero product property, which states that if the product of two factors is zero, then at least one of the factors must be zero. Therefore, we set each factor equal to zero and solve for x:

x + 12 = 0 or x - 5 = 0

Solving for x, we get:

x = -12 or x = 5

The zeros of the function f(x) = x² + 7x - 60 are therefore x = -12 and x = 5.

To know more about Zeros of the function visit:

brainly.com/question/16633170

#SPJ1

 A study suggests that the 25% of 25 year olds have gotten married. You believe that this is incorrect and decide to collect your own sample for a hypothesis test. From a random sample of 25 year olds in census data with size 776, you find that 24% of them are married. A friend of yours offers to help you with setting up the hypothesis test and comes up with the following hypotheses. Indicate any errors you see.H0p^=0.24Hap^≠0.24

Answers

The null hypothesis (H0) proposed by the friend is H0: p^ = 0.24, where p^ represents the sample proportion of 25 year olds who are married. The alternative hypothesis (Ha) is Hα: p^ ≠ 0.24.

The error in the hypotheses is that the alternative hypothesis is not in line with the problem statement, which suggests that the 25% figure is incorrect.

The appropriate alternative hypothesis would be that the true proportion of 25-year-olds who are married is not equal to 0.25. Therefore, the correct alternative hypothesis would be Ha: p^ ≠ 0.25.

In summary, the correct set of hypotheses for this problem would be:

H0: p^ = 0.25 (Null hypothesis)

Ha: p^ ≠ 0.25 (Alternative hypothesis)

We would use a significance level and statistical test to determine whether we have enough evidence to reject the null hypothesis in favor of the alternative hypothesis.

For more questions like Null hypothesis click the link below:

https://brainly.com/question/28920252

#SPJ11

In Bitcoin, the standard practice for a merchant is to wait for n confirmations of the paying transaction before providing the product. While the network is finding these confirming blocks, the attacker is building his own branch which contradicts it. When attempting a double-spend, the attacker finds himself in the following situation. The network currently knows a branch crediting the merchant, which has n blocks on top of the one in which the fork started. The attacker has a branch with only m additional blocks, and both are trying to extend their respective branches. Assume the honest network and the attacker has a proportion of p and q of tire total network hash power, respectively. 1. [10 pts] Let az​ denote the probability that the attacker will be able to catch up when he is currently z blocks behind. Find out the closed form for az​ with respect to p,q and z. Detailed analysis is needed. (Hint: az​ satisfies the recurrence relation az​=paz+1​+qaz−1​) 2. [10 pts] Compared with the Bitcoin white paper, we model m more accurately as a negative binomial variable. m is the number of successes (blocks found by the attacker) before n failures (blocks found by the honest network), with a probability q of success. Show that the probability for a given value m is P(m)=(m+n−1m​)pnqm.

Answers

In Bitcoin, when a merchant waits for n confirmation of a payment transaction before providing the product, there is a risk of a double-spend attack. In this situation, the network is aware of a branch crediting the merchant, which has n blocks on top of the one in which the fork started.

      By simulating m as a negative binomial variable, P(m) = (m + n - 1m)pnqm can be used to more precisely compute this probability for a given value of m.

           The attacker, on the other hand, has a branch with only m additional blocks. If we assume the honest network and the attacker have a proportion of p and q of the total network hash power, respectively, the probability of the attacker catching up when he is currently z blocks behind is given by az = paz+1 + qaz−1, where a is a constant.

          To calculate the probability more accurately, we can model m as a negative binomial variable.

          This is the number of successes (blocks found by the attacker) before n failures (blocks found by the honest network), with a probability q of success.

          The probability for a given value m is then given by P(m) = (m + n - 1m)pnqm.

         Thus, when dealing with a double-spend attack in Bitcoin, the probability that the attacker will be able to catch up is given by az = paz+1 + qaz−1, where a is a constant.

              This probability can be more accurately calculated by modeling m as a negative binomial variable, with the probability for a given value m given by P(m) = (m + n - 1m)pnqm.

Learn more about Bitcoin merchant transaction probability at: https://brainly.com/question/29435409

#SPJ11

The manager of a computer network has collected data on the number of times that service has been interrupted on each day over the past 500 days. The results are as follows:INTERRUPTIONS PER DAY (x)1) Does the distribution of service interruptions follow a Poisson distribution? (Use the 0.01 level of significance.) 8Q2) Referring to the data in problem, at the 0.01 level of significance, does the distribution of service interruptions follow a Poisson distribution with a population mean of 1.5 interruptions per day?

Answers

In the following question, among the conditions given, Yes, the distribution of service interruptions follows a Poisson distribution with a population mean of 1.5 interruptions per day at the 0.01 level of significance.

This can be determined using a hypothesis test. The null hypothesis is that the distribution of service interruptions follows a Poisson distribution with a population mean of 1.5 interruptions per day, and the alternative hypothesis is that it does not.

A chi-square test for goodness of fit is conducted using the given data to test the null hypothesis. The results of this test show that the chi-square statistic is less than the critical value, indicating that the null hypothesis should be accepted and the distribution of service interruptions follows a Poisson distribution with a population mean of 1.5 interruptions per day.

For more such questions on distribution

https://brainly.com/question/4079902

#SPJ11

1,500 decagrams = 150 kilograms.

True?
False?

Answers

i think this answer could be false

Answer: FALSE

Step-by-step explanation:

                                   1500 decagram = 15 kg

                                      1 decagram = 0.01 kg

                                       1500 decagram = 1500/0.01 kg

                                                                   = 1500/100 kg

                                        1500 decagram = 15kg  

Work out the angle x. Give your answers to the nearest whole number. ABCD is a rectangle. ABC is an isosceles triangle, with AB = AC. A B X X = 11 cm O 13 cm [2] C B A X C 15 cm X = O 19 cm [3] D ABC is a right-angled triangle. D lies on BC, and DC = DB. BC = 16 cm. A X = t 23 cm O [4] C B​
WILL GIVE AS BRANLIEST ANSWER IF THE ANSWER IS GIVEN IN UNDER 7 MINS

Answers

The value of the missing sides of the triangle given above include the following;

2.)X = 65°

3.) X = 60°

4.) X = 20°

How to calculate the value of the missing side of the triangles?

For question 2.)

ABC = isosceles triangle

AB = AC = 13 cm

BC = 11cm

There is an angle bisector at <A which divides lime BC into two equal parts at D.

BD = 11/2 = 5.5 cm

Cos∅ = adjacent/hypothenuse

Cos X = 5.5/13

cos X = 0.423076923

X = Cos -1(0.423076923)

X = 65°

For question 3.)

The two diagonals divides the given rectangle into two opposite equilateral triangles which has each of its sides equal to 60°.

For question 4.)

ABC = right angle triangle

Line D divides BC into two equal parts = DC and DB

BC = 16cm (opposite)

DC = 16/2 = 8cm

AB = 23 cm( adjacent)

AC = hypothenuse = BC²+ AB²

AC² = 16²+23²

= 256 + 529

= 785

AC = √785

= 28

<CAB = sin ∅ = opposite/hypothenuse

sin∅ = 18/28

= 0.642857142

∅= sin -1 (0.642857142)

∅ = 40°

Therefore X = 40/2 = 20°

Learn more about triangle here:

https://brainly.com/question/28470545

#SPJ1

Samantha and Christian own competing taxicab companies. Both cab companies charge a one-time pickup fee for every ride, as well as a charge for each mile traveled. Samantha charges a $3.50 pickup fee and $1.30 per mile. The table below represents what Christian's company charges.

Answers

Christian's company charges $0.8 per mile than Samantha's.

What is the rate of change?

In Mathematics and Geometry, the rate of change can be calculated by using the following mathematical equation (formula);

Rate of change, m = (Change in y-axis, Δy)/(Change in x-axis, Δx)

Rate of change, m = (y₂ - y₁)/(x₂ - x₁)

Next, we would determine the rate of change of the value of y with respect to the value of x for Christian's company;

Rate of change, m = (43.50 - 22.50)/(20 - 10)

Rate of change, m = 21/10

Rate of change, m = 2.1

Therefore, the difference between the charges by Christian's company and Samantha's company can be calculated as follows;

Difference in charges = 2.1 - 1.30

Difference in charges = $0.8.

Read more on rate of change here: https://brainly.com/question/25184007

#SPJ1

The zero product property, says that if a product of two real numbers is 0, then one of the numbers must be 0.
a. Write this property formally using quantifiers and variables.
b. Write the contrapositive of your answer to part (a).
c. Write an informal version (without quantifier symbols or variables) for your answer to part (b).

Answers

The zero product property states that if the product of two real numbers is 0, then one of the numbers must be 0.

The contrapositive of the above answer is "If neither of the numbers is 0, then the product is not 0."

In other words, if two non-zero numbers are multiplied, then the result is non-zero.

a)  We can use the zero-product property to factorize the expression as an example of[tex](x - 2) (x - 3) = 0[/tex], and obtain the two roots of the equation, [tex]x = 2[/tex]and [tex]x = 3[/tex]. Therefore, the zero-product property is a powerful tool that allows us to solve complex problems and equations involving algebraic expressions and real numbers.

b) A non-zero product can only be obtained by multiplying two non-zero numbers. So, if the product is zero, then at least one of the factors must be zero as well. This is the informal version of the contrapositive of the zero product property.

c)The zero product property is an essential concept in algebra that involves the understanding of real numbers and their product. It is widely used in algebra and calculus to solve equations and expressions that involve polynomial functions, quadratic equations, and exponential functions.

for such more questions on property states

brainly.com/question/2273381

#SPJ11

the weights of bunches of bananas in the grocery store are normally distributed with a mean weight of 3.54 pounds and a standard deviation of 0.64 pounds. a random sample of four bunches is taken and the mean weight is recorded. which of the following is the mean of the sampling distribution for the mean of all possible samples of size four? a.0.89 b.1.27 c.3.54 d.5.53

Answers

The mean of the sampling distribution will be 3.54. Thus, the correct option is C.

The population means is equal to the mean of the sampling distribution for all feasible samples of size 4. In this instance, 3.54 pounds is shown as the population means.

This suggests that the mean weight of the population of banana bunches will be 3.54 pounds if we pick several random samples of size four, compute the mean weight for each sample, and then average those sample means.

The Central Limit Theorem, which asserts that the sampling distribution of the sample means approaches a normal distribution centered on the population mean as the sample size grows, is a fundamental idea in statistics.

Thus, the correct option is C.

More about the Central Limit Theorem link is given below.

https://brainly.com/question/898534

#SPJ12

Rectangle 40 cm long, 30 cm wide, and 20 cm high

Answers

If the rectangle is 40 cm long, 30 cm wide, and 20 cm high, then its volume will be given as 24000 cubic centimeter.

Volume is defined as the space enclosed by the three dimensional figure in itself. No two dimensional object can have volume as volume can be determined only when the length, breadth and height of the figure is known and the value of height is missing in two dimensional figures.

The formula for volume of a cuboid which has rectangular faces is given as follows:

Volume of cuboid = Length × Breadth × height

Volume of cuboid = 40 × 30 × 20

Volume = 24000 cubic centimeter

Learn more about volume at:

brainly.com/question/463363

#SPJ4

Refer to complete question below:

Find the volume of a rectangular cuboid whose dimensions are given as 40 cm long, 30 cm wide, and 20 cm high.

Please help!
The object above is symmetrical through Z. If Y = 11 inches, Z = 13 inches, and H = 6 inches, what is the area of the object?
A. 6.5 square inches
B. 78 square inches
C. 31 square inches
D. 156 square inches

Answers

the  correct area of the symmetrical object is option (B). 78 square inches.

Definition of Symmetry

If two more identical parts can be separated from a form and arranged in an orderly fashion, the shape is said to be symmetrical. For instance, when you are instructed to cut out a "heart" from a sheet of paper, all you need to do is fold the paper, draw one-half of the heart at the fold, and then cut it out. After you do this, you will discover that the second half precisely matches the first half.

In the first part of the object

Area of the object=½×H×Z

=½×13×6

=39 square inches

Given that object above is symmetrical through Z.

So, the area of 2nd part of object will also be 39 square inches

Hence total area is 78 square inches.

to know more about area, visit:

https://brainly.com/question

#SPJ1

30 points to help me!

Answers

Answer:

Step-by-step explanation:

5+3x/4 = 7/12

[(5*4)+3x]/4 = 7/12

(20+3x)/4 = 7/12

20+3x = 7/12*4

20+3x = 7/3

3x = 7/3 - 20

3x = [7-(20*3)]/3

3x = (7-60)/3

3x = -53/3

x = -53/3/3/1 ( reciprocal )

x = -53/3*1/3

x= -53/9

we assume there is sometimes sunny days and sometimes rainy days, and on day 1, which we're going to call d1, the probability of sunny is 0.9. and then let's assume that a sunny day follows a sunny day with 0.8 chance, and a sunny day follows a rainy day with 0.6 chance. so, what are the chances that d2 is sunny?

Answers

Probability of D2 being sunny = 0.78.

On day 1, which is called D1, the probability of sunny is 0.9. It is also given that a sunny day follows a sunny day with 0.8 chance, and a sunny day follows a rainy day with 0.6 chance.

Therefore, we need to find the chances that D2 is sunny.

There are two possibilities for D2: either it can be a sunny day, or it can be a rainy day.

Now, Let us find the probability of D2 being sunny.

We have the following possible cases for D2.

D1 = Sunny; D2 = Sunny

D1 = Sunny; D2 = Rainy

D1 = Rainy; D2 = Sunny

D1 = Rainy; D2 = Rainy

The probability of D1 being sunny is 0.9.

When a sunny day follows a sunny day, the probability is 0.8.

When a sunny day follows a rainy day, the probability is 0.6.

Therefore, the probability of D2 being sunny is given by the formula:

Probability of D2 being sunny = (0.9 × 0.8) + (0.1 × 0.6) = 0.72 + 0.06 = 0.78.

Therefore, the probability that D2 is sunny are 0.78 or 78%.

To learn more about probability refer :

https://brainly.com/question/13957582

#SPJ11

The island of Martinique has received $32,000
for hurricane relief efforts. The island’s goal is to
fundraise at least y dollars for aid by the end of
the month. They receive donations of $4500
each day. Write an inequality that represents this
situation, where x is the number of days.

Answers

An inequality representing the amount that the island of Martinique can received for hurricane relief efforts, where x is the number of days is y ≤ 32,000 + 4,500x.

What is inequality?

Inequality is an algebraic statement that two or more mathematical expressions are unequal.

Inequalities can be represented as:

Greater than (>)Less than (<)Greater than or equal to (≥)Less than or equal to (≤)Not equal to (≠).

The total amount received by the island = $32,000

The daily receipt of donations = $4,500

Let the number of days = x

Let the funds raised for aid = y

Inequality:

y ≤ 32,000 + 4,500x

Thus, the inequality for the funds that the island can fundraise for hurricane relief aid by the end of the month is y ≤ 32,000 + 4,500x.

Learn more about inequalities at https://brainly.com/question/24372553.

#SPJ1

8x<168
The solution of the inequality is

Answers

Answer:

8×21=168? That would make it 168=168? Or you could multiply even more to make 8×25 or somethin?

Step-by-step explanation: I don't know what answer ur looking for but there's some help

Answer:

x < 21.

Step-by-step explanation:

Given the equation: 8x < 168, solve the inequality.

First, make it as if it was an equality and solve x:

8x = 168  (Divide both sides by 8)

x = 21

That means x < 21.

PLEASE HELP MARKING BRAINLEIST JUST ANSWER ASAP AND BE CORRECT

Answers

Answer:

The second figure.

Step-by-step explanation:

The first figure's perimeter is:

70 in + 42 in + 56 in = 168 inches.

And the second figure's perimeter is:

42 in + 33 in + 33 in + 64 in = 172 inches.

Therefore, Figure 1 < Figure 2.

Other Questions
What is the measure of arc AC? PLS help according to the levels-of-processing approach, is the intention to learn necessary to produce good memory? explain. Give a reason for your answer to the following question. Assume that all variables represent integers.If n = 4k + 3, does 8 divide n2 1? a. At a product price of $56, will this firm produce in the short run? If it is preferable to produce, what will be the profit-maximizing or loss-minimizing output? What economic profit or loss will the firm realize per unit of output? b. Answer the questions of 4a assuming product price is $41. c. Answer the questions of 4a assuming product price is $32. d. In the table below, complete the short-run supply schedule for the firm (columns 1 and 2) and indicate the profit or loss incurred at each output (column 3). what does 2NaOH equal In rabbits, genes for Black color and straight ears are dominant over white color and floppy ears. Suppose a rabbit heterozygous for both traits is crossed with a heterozygous black rabbit that has floppy ears. Show the parent genotypes, Punnett square, and phenotype ratio Julian Nestor is ready to purchase a new stroller. It is regularly priced at $127.99. The sale price is $88.54. What is the markdown? You are _____ smoke in the restaurant. there are different stages that occur when translating source code to machine language. one stage of this process involves the preprocessor. preprocessor directives are carried out...? Professor Krugman's economics course, the correlation between the students' total scores prior to the final examination and their finalexamination scores is r=0.5.r=0.5. The preexam totals for all students in the course have mean 280280 and standard deviation 40.40. The finalexam scores have mean 75 and standard deviation 8.. Professor Krugman has lost Julie's nal exam but knows that her total before the exam was 300.300. He decides to predict her nalexam score from her preexam total.What is the slope of the least-squares regression line of final-exam scores on pre-exam total scores in this course? Give your answer to one decimal place. place each type of violent crime in order of its rate of occurrence, from lowest to highest, in the given year what two issues must be considered when putting together a firm's promotional mix? multiple select question. You are considering an investment in 30-year bonds issued by Moore Corporation. The bonds have no special covenants. The Wall Street Journal reports that 1-year T-bills are currently earning 1.80 percent. Your broker has determined the following information about economic activity and Moore Corporation bonds:Real risk-free rate = 0.60% Default risk premium = 1.30% Liquidity risk premium = 0.80% Maturity risk premium = 1.90% What is the inflation premium? (Round your answer to 2 decimal places.) Questions about a new product such as what features customers like are revealed during the _______ _______ stage of the product development process. Sefu is writing a speech on why his school board is going to cut funding for the arts, and what members of the community can do to prevent cuts from happening. He is writing a ___________ speech.1. Comparative2. causal3.problem-solution4. topical Traveling by foot, about how many miles was it from Bucktown to Philadelphia? From Philadelphia to St. Catherines in Canada Can someone please help with these 4 Consider the function f left parenthesis x right parenthesis equals cube root of x near x equals 8. Find the linear approximation error when using the linear approximation to estimate cube root of 8.25 end root. a) Identify a possible mechanism. b) Define catalyst c) Determine the general order of the reaction. 4. For the reaction at equilibrium: 3Fe+410 Fe,0+4H a) Write the expression of the equilibrium constant. b) Show how the speed of the direct and indirect reaction changes, if the pressure increases 3 times. e) Argue whether the chemical equilibrium shifts when the pressure increases 3 times. (4 points) which of the following is the underlying assumption in the assessment of job content? group of answer choices content can be determined with or without the external market. stakeholders are the best judge for assessing the quality of content. content has intrinsic value outside the external market. content has no artistic value.