Answer:Let the magnitude of smaller force is P, the magnitude of larger force is Q and the resultant force is R.
As the resultant force makes 90
∘
with the smaller force P then Q forms the hypotenuse of the triangle.
Thus, it can be written as,
Q
2
−P
2
=R
2
Q
2
−P
2
=(12)
2
Q
2
−P
2
=144 (1)
The sum of magnitudes of two forces is given as,
P+Q=18
Q=18−P (2)
Substituting the value from equation (2) in equation (1), we get
(18−P)
2
−P
2
=144
P=5N
Substituting the value of P in equation (1), we get
Q=18−5
=13N
Thus, the magnitude of the forces are 5N and 13N.
Step-by-step explanation:
7 27. MODELING REAL LIFE Find the length of the slide.
(See Example 6.)
MTR
12 ft
53°
The length of the slide shown is 15 feet
What is an equation?An equation is an expression that shows the relationship between two or more numbers and variables using mathematical operations. An equation can be linear, quadratic, cubic and so on, depending on the degree of the variable.
Trigonometric ratio is used to show the relationship between the sides and angles of a right angled triangle.
Let l represent the length of the slide, hence:
sin(53) = 12/l
l = 12/sin(53)
l = 15 feet
The length is 15 feet
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Two sides of a triangle have lengths 16 and 17. Which expression describes the length of the third side?
Answer:
We can use the triangle inequality theorem to determine the possible lengths of the third side of the triangle. According to the theorem, the length of any side of a triangle must be less than the sum of the lengths of the other two sides and greater than the difference of the lengths of the other two sides.
So, for a triangle with sides of length 16 and 17, the length of the third side must satisfy the following inequality:
17 - 16 < third side < 17 + 16
1 < third side < 33
Therefore, the length of the third side must be described by the expression:
1 < third side < 33
Step-by-step explanation:
What is the missing value in the ratio
videos. weeks
? 1
18. 2
27. 3
54. 6
Answer:
9
Step-by-step explanation:
54÷6= 9
27÷3= 9
18÷2= 9
hence the answer is 9.
Oliver's Credit Card number has 16 digits. The sum of any three adjacent digits is 13. and the second digit is 2 and the tenth digit is 4.
What are the last three digits of the credit card number?
****IMPORTANT****
Please put steps of solving the question, Thanks!
The Credit Score is 4274274274274274.
What is Sequence?A grouping of numbers in a specific order is known as a sequence. On the other hand, a series is described as the accumulation of a sequence's constituent parts.
A phrase is used to describe each number in the series.
Given:
The sum of any three adjacent digits is 13.
The second digit is 2 and the tenth digit is 4.
So, _2_ _ _ _ _ _ _ 4 _ _ _ _.
Now, the 2nd, 5th, 8th, 11th, 14th digits are equal and so are the 3rd, 6th, 9th, 12th, 15th.
So, the credit card number is 4274274274274274 and the last three digits are 274 which shows the sum is 13.
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Black diamond ski resort charges $25 for ski rental and 10$ an hour to ski bunny hill ski resort charges $50 for ski rental and $5 an hour to ski. Create an equation to determine at what point the cost of both ski slopes is the same
skiing for 5 hours will make the cost of skiing at both ski resorts equal.
What is algebraic Expression?Any mathematical statement that includes numbers, variables, and an arithmetic operation between them is known as an expression or algebraic expression. In the phrase 4m + 5, for instance, the terms 4m and 5 are separated from the variable m by the arithmetic sign +.
Given, Bunny Hill Ski Resort charges $50 for ski rentals and $5 per hour of skiing, while Black Diamond Ski Resort charges $25 for rentals and $10 per hour of skiing.
Let's define:
x as the number of hours of skiing
C₁ as the total cost of skiing at Black Diamond ski resort
C₂ as the total cost of skiing at Bunny Hill ski resort
At Black Diamond ski resort, the total cost of skiing is the sum of the cost of rental and the cost of skiing per hour:
C1 = 25 + 10x
At Bunny Hill ski resort, the total cost of skiing is the sum of the cost of rental and the cost of skiing per hour:
C₂ = 50 + 5x
We want to find at what point C₁ = C₂, so we set the two equations equal to each other:
25 + 10x = 50 + 5x
Simplifying the equation, we get:
5x = 25
Dividing both sides by 5, we get:
x = 5
Therefore, skiing for 5 hours will make the cost of skiing at both ski resorts equal.
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PLEASE HELP ME ASAP WHAT IS THE VALUE OF X IN THE QUADRILATERAL
From the sum of the interior angles, it is possible to find x=70°.
Quadrilaterals
There are different quadrilaterals, for example square, rectangle, rhombus, trapezoid, and parallelogram. Each type is defined accordingly to its length of sides and angles. For example, in a square, all angles are 90° and all sides present the same value.
The sum of the interior angles of a quadrilateral is equal to 360°.
The question gives a trapezoid and its respective angles. Thus,
x+85+150+55= 360
x+140+150=360
x+290=360
x=360-290
x=70°
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Answer:
b) 70°
Step-by-step explanation:
We know that,
→ The sum of all interior angles in a quadrilateral is 360°.
Now we have to,
→ Find the required value of x.
Forming the equation,
→ 85° + 150° + 55° + x = 360°
Then the value of x will be,
→ 85° + 150° + 55° + x = 360°
→ 290° + x = 360°
→ x = 360° - 290°
→ [ x = 70° ]
Hence, the value of x is 70°.
Please help quickly!!! The triangles are similar. AC=___ units
Answer:
Step-by-step explanation:
EB/BC=15/12=5/4
ED/AC=X+5/Y=5/4
5y=4x+20
y=0.8x+4
Two planes, which are 2235 miles apart, fly toward each other. Their speeds differ by 45 mph. If they pass each other in 3 hours, what is the speed of each?
In a case whereby two planes, which are 2235 miles apart, fly toward each other. Their speeds differ by 45 mph. If they pass each other in 3 hours, the speed of slower is 350mph and faster is 395mph.
How can the speed of each be calculated?
The concept here is simplification.
Let represent the speed of the slower plane using the( x),
Let us represent the speed of the faster to be ( x + 45)
The distance traveled that can be associated to the slower plane ( 3x).
then the distance that can be attributed toi that of the faster plane = 3(x + 45).
given that the total distance=(2235 miles).
[3x + 3(x + 45) ]= 2235
3x + 3x + 135= 2235
[6x ]= 2235-135
6x = 2100
x=350
hence, the speed of the slower plane is 350
the speed of the faster= x + 45 = 350+45= 395
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The speed of first plane is 350 miles/hour and the speed of second plane is 395 miles/hour .
Given, Distance between the planes = 2235 miles
Let, the speed of the first plane be 'x' miles/hour.
Let, the speed of the second plane be 'x+45' miles/hour.
Since, they are flying towards each other, their speed will get added.
The collective speed of both the planes = (2x + 45) m/h.
A/Q, they pass each other in 3 hours, i.e. they collectively covers the distance of 2235 miles in 3 hours.
We know Distance = Speed × Time
Given, Distance = 2235 miles , Time = 3 hours , Speed = (2x + 45) m/h
2235 = 3 × (2x + 45)
745 = 2x + 45
x = 350 miles/hour.
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Lance bought 15 sets of 3 tennis balls. Some of the tennis balls, t, were lost during each of the 4 matches he played. Now, the are 37 tennis balls left. Which equation represents this situation?
What’s this answer
Which equation represents a line that is per
The equation which is perpendicular to the equation of line passing through the points (-4, 7) (1, 3):
y = 5/4x + 8.
What is the equation of line?The equation of a straight line is a relationship between x and y coordinates, The general equation of a straight line is y = mx + c, where m is the slope of the line and c is the y-intercept.
To find the equation of a line that is perpendicular to another line, we need to know the slope of the original line.
The slope of the line passing through (-4,7) and (1,3) is:
m = (3 - 7) / (1 - (-4)) = -4/5
The slope of any line perpendicular to this line would be the negative reciprocal of -4/5, which is 5/4.
Therefore, the equation of a line that is perpendicular to the line passing through (-4,7) and (1,3) would be of the form:
y = 5/4 x + b
where b is the y-intercept.
Among the given options, the equation that matches this form is:
A. y = 5/4 x + 8
So the answer is (A) y = 5/4x + 8.
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The shape of a piece of land is a parallelogram whose adjacent sides are 12m and 17m and the corresponding diagonal is 25m. find the area of the land
Answer:
The area of the land can be found using the formula A = 1/2*D1*D2, where D1 and D2 are the diagonals of the parallelogram. In this case, the area is 1/2*25*12 = 150m^2.
Answer:
180m^2
Step-by-step explanation:
since you said that two sides measure 12 and 17 and the diagonal is 25 you can use herons formula to find the area of each individual triangle then multiply it by two
using heron's formula it gives us the answer of 90 m^2 for one triangle so we can multiply it by two to get the area of the whole shape and 90x2=180m^2
A great-uncle has decided to give you a gift of $1,000. Being a financially savvy uncle, before giving you the money, he offers you a choice of the following: You can take the $1,000 today. You can wait five years and be given $1,200 instead 1. How will you decide if the offer presented by your great uncle is to your advantage? 2. Research interest rates for a savings account, checking account, and money market account at different financial institutions. Note the compounding period for each. How much would $1,000 be worth in each account in five years? 3. What are some factors that cause the value of money today to be different from its value in the future?
1. To decide if the offer presented by your great uncle is to your advantage, you need to consider the time value of money. This means that money available today is worth more than the same amount of money available in the future, due to the potential for earning interest or returns on the money. In this case, you need to compare the value of $1,000 today with the value of $1,200 in five years. If you can earn a rate of return greater than 4% over the next five years, it would be better to take the $1,000 today and invest it to earn a higher return. However, if you cannot earn a return greater than 4%, it would be better to wait and take the $1,200 in five years.
2. Interest rates and compounding periods will vary depending on the financial institution and type of account. As an example, let's assume that you are considering a savings account, checking account, and money market account with the following interest rates and compounding periods:
Savings account: 2% interest rate compounded annuallyChecking account: 0.1% interest rate compounded monthlyMoney market account: 2.5% interest rate compounded quarterlyUsing a compound interest calculator, the future value of $1,000 in each account after five years would be:
Savings account: $1,104.08Checking account: $1,005.02Money market account: $1,130.473. The value of money today can be different from its value in the future due to inflation, changes in interest rates, economic growth, and changes in the supply and demand for goods and services. Inflation is one of the biggest factors that can affect the value of money over time. If the rate of inflation is high, the value of money will decrease over time, meaning that the same amount of money will buy fewer goods and services in the future. On the other hand, if the rate of inflation is low, the value of money will increase over time, meaning that the same amount of money will buy more goods and services in the future. Interest rates can also affect the value of money, as higher interest rates can make it more attractive to save money, while lower interest rates can make it more attractive to borrow money. Economic growth and changes in the supply and demand for goods and services can also affect the value of money, as these factors can affect the overall price level of goods and services in the economy.
What is the area of the figure below?
10cm
Translate the following phrase into an algebraic expression: "9 times 5 less than twice x"
Given the following segment lengths find a length of the segment
The length of the line segment AB is 11/2 mm.
What is a triangle?A triangle is a three-sided closed-plane figure formed by joining three noncolinear points.
Based on the side property triangles are of three types they are Equilateral triangle, Scalene triangle, and Isosceles triangle.
We know a line segment parallel to one side of a triangle divides the other two sides in the same ratio.
Therefore, AC/AB = EC/ED.
22/AB = 44/11.
2/AB = 4/11.
4AB = 22.
AB = 11/2.
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Can somebody help with number 8 find the value of each variable using the properties of a Parallelogram
Answer:
Step-by-step explanation:
your going to have to show anwser choices
Acellus
40°
Find the value of x.
X
190°
x= [ ? ]
Enter
Resources
Help
The value of x for the given circle is 115°.
What is Geometry?Geometry is a branch of mathematics that deals with the study of shapes, sizes, positions, and properties of objects in space. It includes the study of points, lines, planes, angles, curves, surfaces, and solids.
Using the Angles of Intersecting Chords Theorem,
When two chords cross inside of a circle, the resulting angle's measure is equal to the product of the lengths of the arcs it intercepts and its vertical angle, divided by two.
So, angle x = (190° + 40°)/2 = 115°
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Rochelle is conducting an experiment on cells of Elodea, a kind of water plant. To induce plasmolysis at the correct rate, she needs to use an 8% saline solution, but she has only the solutions shown on hand.
A. If Rochelle mixes the two solutions to get 100 mL of an 8% saline solution, which will she use more of? Explain.
Enter your answer.
B. How can Rochelle determine the amount of each solution she needs to make the 8% saline solution?
Enter your answer.
C. Use Appropriate Tools Are there any methods for solving this problem other than the one you used in part B? Explain.
Enter your answer.
A pharmacist wants to mixture of 40 % saline solution with a 12% saline solution to get 119 ml. of a 32% saline solution. He used 85 ml of 40% saline solution and 34 ml of 12% saline solution.
What is mixture?Mixture word problems require you to combine two or more separate items, and then calculate some quantity of the resulting mixture (such as a percentage, price, or number of liters, for example). There will always be some type of "rate," like miles per hour or price per pound. Mixtures are substances that contain two or more distinct substance categories. To separate them, utilize physical tools. Examples include air, different gases, a mixture of sugar and water, a solution of salt and water, and so on.
here, we have,
Given,
A pharmacist wants to mixture of 40 % saline solution with a 12% saline solution to get 119 ml. of a 32% saline solution.
Equation:
X + y = 119
y = 119 - x
0.40x + 0.12y = 119 of 0.32
0.40x + 0.12y = 38.08
Using y = 119 -x
0.40x + 0.12(119 - x) = 38.08
0.40x + 14.28 - 0.12x = 3808 Eq(2)
0.28x = 23.8
x = 85
and,
y = 119 - 85
y = 119 - 85
y = 34
Equating values in equation (2),
=0.40(85) + 0.12(34)
=34 + 4.08
=38.08
A pharmacist wants to mix a 40 % saline solution with a 12% saline solution to get 119 ml. of a 32% saline solution. He used 85 ml of 40% saline solution and 34 ml of 12% saline solution.
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Triangle ABC is similar to triangle FGH. Given the following angle measures, find the missing angle measures.
The measures of angles in similar triangles are ∠ F = 22°, ∠ G = 75° and ∠ H = 83°
What are similar triangles?Similar triangles have the same corresponding angle measures and proportional side lengths.
Given that, Triangle ABC is similar to triangle FGH, we need to find the measures of the angles,
The sum of interior angles of a triangle = 180°
Considering Δ ABC,
∠ A + ∠ B + ∠ C = 180°
∠ C = 180°-(22°+75°)
∠ C = 83°
Since, we know that the similar triangles have congruent corresponding angles,
Therefore,
∠ A = ∠ F, ∠ B = ∠ G and ∠ C = ∠ H
Therefore, the measures of angles in Δ FGH are ∠ F = 22°, ∠ G = 75° and ∠ H = 83°
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Triangle abc is reflected over the line y = x to produce triangle a'b'c'. What will be the coordinates of a'?.
The coordinates of A' in triangle A'B'C' which was produced after reflection with condition y =x is equal to option d. ( 1, 2).
Graph is attached.
Triangle A'B'C' is produced after reflection of the triangle ABC over the line y = x.
From the graph we have ,
Coordinates of A is ( 2 , 1)
Coordinates of B is (-1, 4)
Coordinates of C is ( 0, -2)
Condition of reflection of triangle ABC over the line y = x.
x-coordinates replace by y and y replace by x.
Coordinates of triangle A'B'C' are
Coordinates of A' is ( 1, 2)
Coordinates of B' is (4, -1 )
Coordinates of C' is ( -2, 0 )
Therefore, if the coordinates of point A in triangle ABC are (2, 1), the coordinates of point A' in triangle A'B'C' would be option d. (1, 2).
The above question is not complete , the complete question is:
Triangle ABC is reflected over the line y = x to produce triangle A'B'C'. What will be the coordinates of A'? Graph is attached.
a. (2,−1) b. (−2,−1) c. (2,1) d. (1,2)
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What specific measure of a geometric figure is shown on the image?
A. A 110° angle
B. A 180 mm side length
C. A 70° angle
D. A 70 mm side length
Answer:
It is B: A180 mm side length
What are the rational roots of the polynomial P(x) = x^3 + 3x^2 + x - 1
The rational roots of the polynomial P(x) = x^3 + 3x^2 + x - 1 can be found using the Rational Root Theorem.
The Rational Root Theorem states that if a polynomial has a rational root, it will be in the form of p/q, where p is a factor of the constant term and q is a factor of the leading coefficient. In this case, the constant term is -1 and the leading coefficient is 1. The factors of -1 are -1 and 1, and the factors of 1 are 1. Therefore, the possible rational roots of this polynomial are -1/1, 1/1, or -1 and 1.
We can test these possible roots by plugging them into the polynomial and seeing if the result is 0.
P(-1) = (-1)^3 + 3(-1)^2 + (-1) - 1 = -1 + 3 - 1 - 1 = 0
P(1) = (1)^3 + 3(1)^2 + (1) - 1 = 1 + 3 + 1 - 1 = 4
Therefore, the only rational root of this polynomial is -1.
So, the rational roots of the polynomial P(x) = x^3 + 3x^2 + x - 1 are -1.
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How many liters in 1 kg?
1. What is the volume of the prism below?
7 cm
3 cm
5 cm
Of a rectangular prism
The volume of the prism is 105 cm³.
What is Volume?Volume of a three dimensional shape is the space occupied by the shape.
Given is a rectangular prism.
Volume of a rectangular prism = l × w × h
Here, l is the length, w is the width and h is the height.
Given that,
l = 7 cm, w = 3 cm and h = 5 cm
Substituting,
V = 7 × 3 × 5
= 105 cm³
Hence the volume of the given rectangular prism is 105 cm³.
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Three side lengths of 6,8 and 15 units will form a triangle
Answer:
The area would be 360 because 8 x 6 x 15 = 720 divided by 2 = 360
Find the weighted average of the numbers -3 and 5 with 3/5 lf the weight on the first number and 2/5 on the second number.
The weighted average of the numbers is 0.1.
What is the average?The ratio of the sum of the values in a particular set to all the values in the set is the mean value, which is the definition of the average.
Given that, average of the numbers -3 and 5 with 3/5
The weight of first number and 2/5 of second number.
Here, -3(3/5)+5(2/5)/2
= (-1.8+2)/2
= 0.2/2
= 0.1
Therefore, the weighted average of the numbers is 0.1.
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The measure of an angle is 119.4°. What is the measure of its supplementary angle?
Answer:
180 - 119.4 = 60.6
So the answer is 60.6
Answer:
60.6°
Step-by-step explanation:
Supplementary angles equal 180 degrees. So we can show this with the following equation:
119.4 + x = 180
where x is the measure of the other supplementary angle.
If we subtract 119.4 from both sides, we get the the value of x, which is 60.6.
What is 60 kph into miles?
60 kilometers per hour (kph) is equal to roughly 37.28 long hauls (miles) per hour( mph).
To convert kilometers per hour to long hauls per hour, you can use the following conversion formula:
long hauls per hour = kilometers per hour x0.621371.
Plugging in 60 kilometers per hour, we get,
long hauls per hour = 60 x0.621371
long hauls per hour ≈37.28.
Thus, 60 kilometers per hour is roughly 37.28 long hauls per hour.
A kilometer (km) is a unit of length or distance used in the metric system. It is roughly original to 0.621 long hauls.
Mile is a unit of length or distance used in the customary system of dimension, primarily in the United States and United Kingdom. One afar is original to 280 bases or 760 yards, which is roughly 1.609 kilometers in the metric system.
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Does an ice cube with a lower volume melt faster or slower? This is for a math project
An ice cube with a lower volume will melt faster than an ice cube with a higher volume. This is because there is the less mass and surface area for the heat to transfer through, causing the ice cube to melt at a quicker rate.
For example, imagine two ice cubes, one with a volume of 2 cubic centimeters and another with a volume of 4 cubic centimeters. The ice cube with the lower volume (2 cubic centimeters) will melt faster than the ice cube with the higher volume (4 cubic centimeters) because there is less mass for the heat to transfer through. In conclusion, an ice cube with a lower volume will melt faster than an ice cube with a higher volume. This is due to the fact that there is the less mass and surface area for the heat to transfer through, causing the ice cube to melt at a quicker rate.
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Watch help video
Use the distributive property to write an
Answer:
4(5s +9t - 6)
equivalent expression
Submit Answer
Answer:
20s + 36t - 24
Step-by-step explanation:
4(5s + 9t - 6)
20s + 36t - 24
We can go any further, so that is the answer.