Jessica can run 7.5 miles in 1 hour. how many minutes does it take her to run each half mile

Answers

Answer 1
Answer: it still would 7.5 even tho its divied by 1

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What is the solution of the system? Use elimination. 3x - 4y = 9-3x + 2y = 9
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Three times a number, x, increased by four is equal to five times the number, x. Which equation can be used to solve for x?a.3x+5x=4 b.3x+4=5x c.3x=4+5x d.3x-4=5x

Which is true of point K at (0, –5)? A. Point K is to the left of the y-axis. B. Point K is on the x-axis. C. Point K is on the y-axis. D. Point K is to the right of the y-axis.

Answers

C is the correct one

hope this helps :)

If 28% of a sum is $100.80, what is the sum?

Answers

Call the sum S. Then, you can use the definition of percentage to obtain an equation to find the value of S: 1) 28% = 28 / 100; 2) 28% of x = (28/100)x; 3) that is equal to $100.80 => (28/100)x = 100.8 => x = 100.8 * 100 / 28 => x = 360. You can verify that the 28% of 360 is 100.80: 360 * 28/100 = 100.80. Then, the answer is $360.

Perpendicular lines form a 90° angle. True
or false?

Answers

Answer:

True

Step-by-step explanation:

Answer:

it really just depends

Step-by-step explanation:

tanmayi wants to raise $175 for a school fundraiser. she has raised $120 so far. How much more dose she need to reach her goal?????

Answers

175 - 120 = 55. Therefore she has $55 left until she reaches her goal.

What is the coefficient of the variable in the expression 6 − 4x − 8 + 2?6
2
−4
−8

Answers

If you would like to find the coefficient of the variable in the expression 6 - 4x - 8 + 2, you can calculate this using the following step:

6 - 4x - 8 + 2 = 6 - 8 + 2 - 4x = - 4x

The correct result would be - 4.

Answer:

The coefficient is -4

Step-by-step explanation:

What is the simplified form of the expression square root of 1/144?

Answers

\sqrt{ (1)/(144)} = \sqrt{ (1)/( 12^(2)) } = (1)/(12)
1/12

When simplifying a radical, pull out any perfect squares. In this case it works out nicely. 1 is the square of 1 and 144 is the square of 12, so you get 1/12.

In another case such as sqrt(20) you can pull out a 4 which is a perfect square which leaves 5. So the answer would be 2sqrt(5).