Fiona and her brother Gary love making paper airplanes. The table below shows the amount of planes they made on Saturday. Fiona Gary Morning Afternoon 12 3 8 1 Which numerical expression shows the diference between how many planes Fiona made and Gary made?

Answers

Answer 1

The numerical expression which shows the diference between how many planes Fiona made and Gary mmade is (12 - 8) - (3 - 1).

The correct answer choice is option A

How to determine numerical expression?

Morning Afternoon 12 3 8 1

Fiona. 12 3

Gary. 8 1

The diference between how many planes Fiona made and Gary made;

Morning = 12 - 8

Afternoon = 3 - 1

The difference between how many planes Fiona made and Gary made for both morning and afternoon = (12 - 8) - (3 - 1)

= 4 - 2

= 2

Therefore, the expression which represents the difference between how many planes Fiona made and Gary made is (12 - 8) - (3 - 1)

Related Questions

Terrell brought $5.00 to spend at the rink's concession stand. Hot dogs cost $0.65, French fries cost $0.80, nachos cost $1.25, and drinks cost $0.95. If Terrell buys French fries and a drink, what is the maximum number of hot dogs he can purchase?

Answers

Answer:

5 hotdogs

Step-by-step explanation:

Deduct the price of French fries + drink from the total amount of money he has.

5.00 - 0.80 - 0.95 = 3.25

Divide the amount of money left with the amount of money each hotdog cost.

3.25 ÷ 0.65 = 5

PLs HALP will give brainliest

Answers

Your answer for this question will be C

Answer:

C. 1/3x - 9

Step-by-step explanation:

Ok so....

-3 + -6 is just -9 so instead of writing all that we can just write -9.

So what you should have now should look something like this

2/3x - 1/3x - 9 ( I just put it in a different order )

So now we can see things in common. Which is the 2/3x and the 1/3x. When you subtract both of them it will give you a total of 1/3x. *NOTE : WE DO NOT SUBTRACT THE 9 WITH IT BECAUSE IT IS NOT COMMON WITH THE OTHER NUMBERS* Now your problem should look like this

1/3x - 9

Which is the answer!!

TAADAA!!

Hope this helps. Have a good day!

1. It is the time needed for half of a substance to decay.??

Answers

Answer:

The half-life (t1/2) is the time taken for the activity of a given amount of a radioactive substance to decay to half of its initial value.

P/S 1: Are you sure that your question is related to maths?

+ Bonus: The half-life can be calculated from the decay constant as follows: half-life = ln (2) / (decay constant).

P/S 2: Not sure which is right tho:( Really sorry about that.

Discriminant sorting

Answers

Answer: Discriminant sorting activity: Work with two other people, and find the discriminant of the quadratic equations you are given (each person should do 2). Sort them into 3 groups, and be prepared to explain how you chose your groups.

Step-by-step explanation:

Given f(x) = -(x - 5)^2 + 1, what is the value of a?

Answers

Answer:

-1

Step By Step Explanation:

Vertex Form is y=a(x-h)^2+k

In place of the A is a negative sign, since the negative sign is alone there will always be an imaginary one right behind it.

So A would be -1.

if 3/4 of a certain number is equal to 4 1/2, find the number

Answers

Answer:

Step-by-step explanation:

3/4x = 9/2

4/3 * 9/2 = 36/6

The number in the mathematical statement is 6

How to determine the number?

Let the number be x.

So, the equation can be represented as:

3/4 * x = 4 1/2

Express the fraction as an improper fraction

3/4 * x = 9/2

Multiply through by 4/3

x = 6

Hence, the number is 6

Answers

Answer:

Step-by-step explanation:

The length of the side AB is 8 units, which Angelica calculated correctly.

What is the distance formula between two points?

The distance formula between two points,

[tex]d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2[/tex].

What is Pythagoras's theorem?

In a right-angled triangle, the sum of the squares of the smaller two sides of a right-angle triangle is equal to the square of the largest side.

From the given information AC = 6 units and BC = 10 units.

Therefore, The length of the side AB² = 10² - 6².

AB² = 100 - 36.

AB² = 64.

AB = 8 units.

learn more about Pythagoras's theorem here :

https://brainly.com/question/343682

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Question 3
Which reason below IS NOT one of the ways to prove that two triangles are congruent?
SSS
AAS
SAS
USSA

Answers

Answer:

Second one:

AAS

Step-by-step explanation:

searched it

what is the quotient of 0.6÷243

Answers

Answer:

the answer is 0.0024

Step-by-step explanation:

there are more digit's after 4 but hope this is enough

Divide.
14)4210
O A. 300 r 10
O B. 300 r 7
O C. 300
O D. 310

no rush at all lolz.!

Answers

300 with a remainder of 10

3 0 0

1 4 | 4 2 1 0

4 2

1 0

Therefore, 4210 / 14 = 300 with a remainder of 10.

300 with a remainder of 10

What is 2/7+7/8
Help

Answers

Answer:

65/56 = 1 9/56

Step-by-step explanation:

Answer:

Step-by-step explanation:

16/56 + 49/56 = 65/56= 1 9/56

If f(x) = (3+x)/ (x-3),what is f(a+ 2)?

Answers

To answer items such as this, we directly substitute the a + 2 to the all the x's in the function such that,
f(a + 2) = (3 + a + 2) / (a + 2 - 3)
Simplifying the function generated above,
f(a + 2) = (5 + a) / (a - 1)

When you graph two lines to a system what are the 3 possible outcomes?

Answers

Answer:

infinite solution, one solution, no solution

Step-by-step explanation:

hope this helped:)

find the area of a parallelogram with a height of "6x" and base of "9y" 30 POINTS!!!

Answers

Answer:

54xy

Step-by-step explanation:

Any 4 sided parallelogram's area is the base multiplied by its height. We know both of those, 6x and 9y

The area is, 54xy

Please answer :)

( Will give brainlst)

Answers

Answer:

thank you for give me some time

PLSSS SHOW UR WORK AND HOW YOU GOT THE ANSWER FOR THIS also help me quickly pls!!

Delroy is going to a dog adoption day at his local animal shelter. he wants to make 4 batches of the biscuits for the dogs. how many cups of margarine will he need?

Answers

4 x 1/3 cups of margarine
= 4/3 cups, or 1 1/3 cups

You multiply the numerator by the whole number, and keep the denominator the same.

Suppose weights of the checked baggage of airline passengers follow a nearly normal distribution with mean 46 pounds and standard deviation 3.7 pounds. Most airlines charge a fee for baggage that weigh in excess of 50 pounds. Determine what percent of airline passengers incur this fee. (Round your answer to two decimal places.)

Answers

Answer:

85.99% of airline passengers incur this fee.

Step-by-step explanation:

When the distribution is normal, we use the z-score formula.

In a set with mean [tex]\mu[/tex] and standard deviation [tex]\sigma[/tex], the zscore of a measure X is given by:

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

Mean 46 pounds and standard deviation 3.7 pounds.

This means that [tex]\mu = 46, \sigma = 3.7[/tex]

Most airlines charge a fee for baggage that weigh in excess of 50 pounds. Determine what percent of airline passengers incur this fee.

As a proportion, this is 1 subtracted by the pvalue of Z when X = 50. So

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

[tex]Z = \frac{50 - 46}{3.7}[/tex]

[tex]Z = 1.08[/tex]

[tex]Z = 1.08[/tex] has a pvalue of 0.8599

0.8599*100% = 85.99%

85.99% of airline passengers incur this fee.

do this and show work

Answers

Answer:

first: x=1.3024

second: x=12.29

third: x=22 degrees

Step-by-step explanation:

sin 19=x/4

0.3256=x/4

x=1.3024

sin 19=4/x

0.3256=4/x

x=4/0.3256

x=12.29

sin x=3/8

sinx=0.375

x=22 degrees

Multiply the following complex numbers. Reduce terms and simplify. Explain how your simplified result and the first term in the pair below are related algebraically to each other and to the complex number (1 + i).

1 1 - i
_____ * _____
1 + i 1 - i

Answers

Answer:

= 1/2 - 1/2i

Step-by-step explanation:

Suppose a random variable, x, arises from a binomial experiment. If n = 25, and p = 0.85, find the variance. Round answer to 4 decimal places. Answer:

Answers

Answer:

a) P(X=1) = 0.302526

b) P(X=5) = 0.010206

c) P(X=3) = 0.18522

d) P(X≤3) = 0.92953

e) P(X≥5) = 0.010935

f) P(X≤4) = 0.989065

If helpful, please mark as brainliest! =)

Given a random variable x following binomial distribution. If n = 25 and p = 0.85, the variance = 3.1875.

What is variance of binomial distribution?

Variance of the binomial distribution is a measure of the dispersion of the probabilities with respect to the mean value. The variance of the binomial distribution is σ² = npq, where n is the number of trials, p is the probability of success, and q is the probability of failure.

Given random variable x follows binomial distribution.

n = 25

p = 0.85

q = 1 - 0.85 = 0.15

variance = npq = 25 * 0.85 * 0.15 = 3.1875

Learn more about variance of binomial distribution here

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PLZZZZZZZZ HURRY

When plotting points on the coordinate plane below, which point would lie on the y-axis?

A coordinate plane.

(0, 1)
(7, 0)
(6, 8)
(8, 2)

Answers

Answer:

0,1 lies on y axis ......

Step-by-step explanation:

option A (0,1) point will lie on the y axis as on y axis x coordinates is 0.

Courtney sold 48 cantaloupes at the farmers' market and had 23 left. Which equation could be used to find x, the number of cantaloupes Courtney had originally?

Answers

Hi there!

48-x=23

23+x=48

those would be the equatipns to find x....

Answer:

uwu

Step-by-step explanation:

uwu

what is the vertex of f(x)=7(x+15)^2

Answers

Answer:

y = a ( x − h ) 2 + k

Step-by-step explanation:

https://socratic.org/questions/what-is-the-vertex-form-of-y-2x-2-7x-15#243713

(15,0) is the correct answer

Linda can drive 180 miles in 3 hours. On Tuesday, she drove for 7 hours at that rate. How many miles did she drive on Tuesday?

Answers

180/3= 60 mph
60 x 7= 420
420 miles drive on tuesday

have a good day:)

Answer: 420

Step-by-step explanation:

I took the test and got it right lol

A classroom of students has their heights measured (in inches) for statistics investigation. The tallest student in the class is 71 inches tall. One student is assigned to record all the values. That student made a mistake when recording one of the values. When they meant to record the 71, they accidentally entered 711. What is the affect of this mistake on the median and IQR?

Answers

Answer:

This mistake has no effect on the median and IQR, since it will be an outlier.

Step-by-step explanation:

xth percentile:

If a measure is said to be in the xth percentile, it means that x% of the measures are smaller than it, and (100-x)% are larger.

Median:

The 50th percentile is called median.

Interquartile Range:

Difference between the 75th and the 25th percentile.

In this question:

Tallest student measures 71 inches, but with a mistake, it was accidentaly entered 711.

However, since the mean and the median are related to the percentiles, in the middle of the distribution, they wont be affected by an outlier such as this.

Which circle shows AB that measures 60 degrees

Answers

Answer:

The central angle is the measure of minor arc AB. The central angle here is 60 degrees, shown by the third circle down from the top. This is the right answer.

Step-by-step explanation:https://brainly.com/question/12790519#:~:text=The%20central%20angle%20is%20the,This%20is%20the%20right%20answer.

A color printer prints 23 pages nine minutes how many minutes does it take per page

Answers

Answer: 2 pages

Step-by-step explanation:

Answer:

2.55555555555555555555555555556

Which angle is an alternate interior angle to 8?

Answers

Answer:

Step-by-step explanation:

Interior angle Kasi eh hihi

How do you make it 8

Answers

Answer:

I think you spend 14 points on it

Answer:

4+4=8

Step-by-step explanation:

I hope it's helpful!

Have a nice day!

A 15-passenger van is
rented for a family vacation.
The van rental is 460 per
day, plus a $145 insurance
fee. How many days can the
van be rented if they want to
spend no more than $625 on
the van rental. Write and
solve an inequality

Answers

Answer:

Inequality is 460x+ 145 [tex]\leq[/tex] 625 (I can't put the less than or equal to sign down sorry)

Step-by-step explanation:

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Fiona and her brother Gary love making paper airplanes. The table below shows the amount of planes they made on Saturday. Fiona Gary Morning Afternoon 12 3 8 1 Which numerical expression shows the diference between how many planes Fiona made and Gary made?​

Answers

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Fiona and her brother Gary love making paper airplanes. The table below shows the amount of planes they made on Saturday. Fiona Gary Morning Afternoon 12 3 8 1 Which numerical expression shows the diference between how many planes Fiona made and Gary made?