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Q6. Alex found the average change of his stocks over the following months: -10.29 in June, -8.16 in July, +34.50 in August, and +3.12 in September. Estimate the average change in his stocks by rounding to the nearest whole number.

A. 

Q7. Estimate the length of one side of a square floor if the area is 320 square feet. Round to the nearest whole number.

A. 

Q8. The home team’s score was 102 points. If you doubled the visiting team’s score and subtracted 60, you also would have 102 points. What was the visiting team’s score? (Guess and check or creating a table may be helpful.) A. 81 B. 50 C.51 D. 2

 

Q9. 

Herman is making a small right isosceles triangular table. If two of the sides will measure about 25 inches each, how many inches should the longest side measure? Round your answer to the nearest tenth. 
A. 35.4 B. 50 C. 51 D. 75.3

 

asked Aug 16, 2017 in ALGEBRA 2 by anonymous

2 Answers

0 votes

7)

Find the length of one side of a square floor.

The area is 320 square feet.

Standard formula of square floor area is image

image

The length of one side of a square floor is image

answered Aug 17, 2017 by Anney Mentor
0 votes

8)

The home team’s score was image points.

Doubled the visiting team’s score and subtracted image

Find the visiting team’s score.

Let image be the visiting team's score.

image

Adding image to both sides of the equation.

image

Option A is right choice.

answered Aug 17, 2017 by Anney Mentor

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