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September 19, 2014

Homework Help: 7th grade math ASAP quick please

Posted by Delilah on Monday, October 8, 2012 at 9:09pm.

1.
If a ping pong ball falls from the top of a building that is 168 feet high, how many seconds will it take the ball to hit the ground? Remember, the formula for distance is d = 16t^2. (1 point)

1
3.2
10.5
16

2.
The volume of a box can be found by multiplying the length times width times height of a box (V = lwh). If the volume of a box is 1,300 cubic inches and all its dimensions are equal, what is the side length of the box in inches? (1 point)

10.9
36.1
162.5
433.3


3.
The area of a circle is found with the formula A = 3.14r^2 where pi represents 3.14. If a tile artist is laying down tiles in a circular mosaic pattern and the area of the circle is 706.5 square feet, what is the radius of the circle in feet? (1 point)
11
13
15
17


4.
Daisy is shipping a package to her daughter, Molly. If the box’s dimensions are equal and the length is 3 feet long, what is the volume of the box in cubic feet? (1 point)

1
3
9
27

1. 10.5
2. 10.9
3. 15
4. 27

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