MATHEMATICS HIGH SCHOOL

In the school chorus, 3 9 of the students are fourth graders. In simplest form, what fraction of the students in the school chorus are fourth graders?

Answers

Answer 1
Answer:

Answer: 1 / 3

Step-by-step explanation:

3/9 of the students in the school choir are fourth graders.

To take a fraction to its simplest form, divide both of the numbers in the fraction by their highest common factor.

3 factors = 1 , 3

9  factors = 1, 3 , 9

Highest common factor = 3

Divide both numbers by 3

= (3/3) / (9/3)

= 1 / 3

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20,612,439 scientific notation
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The area of a rectangle is 507 centimeters squared. The length is 3 times the width. What is the length of the rectangle? 1) 3 cm 2) 13 cm 3) 26 cm 4) 39 cm
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If a sample of 23 bowlers were taken from a population of 187 bowlers, could refer to the mean of how many bowlers' scores?A. Neither 23 nor 187
B. Both 23 and 187
C. 23
D. 187

Answers

C thank you for question.

Answer:

23

Step-by-step explanation:

apexs

The distances (y), in miles, of two cars from their starting points at certain times (x), in hours, are shown by the equations below:Car A
y = 45x + 20
Car B
y = 35x + 60
After how many hours will the two cars be at the same distance from their starting point and what will that distance be?
3 hours, 200 miles
3 hours, 180 miles
4 hours, 200 miles
4 hours, 180 miles

Answers

Given the equations for cars A and B, we are to find the time when their distances would be the same. Since y is the distance, we have to equate both expressions in terms of y to solve for the time (x):

y = 45x + 20
y = 35x + 60

45x + 20 = 35x + 60
45x - 35x = 60 - 20
10x = 40
x = 4 ; after 4 hours, they will be at the same distance from the starting point.

Using the obtained value of x, we solve for the distance using either of the equations:

y = 45(4) + 20
y = 180 + 20
y = 200

y = 35x + 60
y = 35(4) + 60
y = 140 + 60
y = 200

Therefore, the correct answer is 4 hours, 200 miles

Answer:

4 hours, 200 miles

Step-by-step explanation:

How do I factor and simplify this?

Answers

You can simplify it further to: 2n-1 over 3n-5

Solve for x. Round to the nearest tenth of a degree, if necessary.

Answers

Sin (angle) = opposite leg / hypotenuse

Sin(x) = 2.1/4

x = arcsin(21./4)

x = 31.7 degrees

What is the first term of the quotient of the following division problem?(x^3 – 1) ÷ (x + 2)

A. –0.5
B. 1
C. x^2
D. x^4

Answers

Answer:

option C

Step-by-step explanation:

(x^3-1) divide by x+2

Use long division

                 x^2 -2x

              -----------------------

x+2          x^3 + 0x^2 +0x -1

               x^3 + 2x^2

              -----------------------------------(subtract it)

                      - 2x^2 +0x - 1

                       -2x^2 - 4x

             --------------------------------(subtract)

                                   5x -1

So the first term is x^2
The answer is option C.

A parachutist's speed during a free fall reaches 135 miles per hour. What is this speed in feet per second? At this speed, how many feet will the parachutist fall during 5 seconds of free fall? In your computations, use the fact that I mile is equal to 5280 feet. Do not round your answers.​

Answers

Answer:

198 ft/s speed

99 ft distance

Step-by-step explanation:

Answer:

7.33333ft

Step-by-step explanation:
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