As a person climbing a mountain increases walking speed, the rate of calories burned, height traveled, and energy expended also increase. Which of the following is the independent variable?

A. Walking speed

B. Energy

C. Calories

D. Height

Answer Explanation:

An independent variable is a change that when modified brings a change in other variables. In this case, the person increases his climbing rate, calories burned, distance traveled and energy used increases. Therefore, the walking speed is the independent variable while other variables are dependent.

Therefore, the Correct Answer is A.

Q #1: Which of the following is the correct decimal placement for the product of 1.9 * 0.75?

A. 1.425

B. 14.25

C. 0.01425

D. 0.001425

Answer Explanation

In the given problem, we use the calculator to evaluate the product 1.9 * 0.75 = 1.425
Q #2: 3.60*0.75 Simplify the expression above. Which of the following is correct?

A. 0.027

B. 27

C. 0.27

D. 2.7

Answer Explanation

To solve the equation this equation, we compute the multiplication of the two numbers using the calculator

3.60 * 0.75 = 2.7
Q #3: The graph below represents the amount of rainfall in a particular state by month. Which of the following is the total rainfall for the first 5 months of the year?

A. 11 inches

B. 7.5 inches

C. 4.5 inches

D. 3.5 inches

Answer Explanation

The first five months of the year are January, February, March, April, and May. We use to graph to find the amount of rainfall in each month as follows:

In the month of January, rainfall was between o and 1, which is halfway. Therefore, rainfall in January is 0.5 inches

On February, rainfall was 1 inch and on March the rainfall was 2 inches.

On April, the rainfall amount was 4 inches while on month of May, the rainfall was about 3.5 inches. Therefore, total rainfall in the first 5 months was:

Total rainfall=0.5 inches+1 inches+ 2 inches+4 inches + 3.5 inches =11 inches

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As a person climbing a mountain increases walking speed, the rate of calories burned, height traveled, and energy expended also increase. Which of the following is the independent variable?

More Questions on TEAS 7 Math

Q #1: Which of the following is the correct decimal placement for the product of 1.9 * 0.75?

Answer Explanation

Q #2: 3.60*0.75 Simplify the expression above. Which of the following is correct?

Answer Explanation

Q #3: The graph below represents the amount of rainfall in a particular state by month. Which of the following is the total rainfall for the first 5 months of the year?

Answer Explanation

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