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Questions:
1. A fully opened parachute is shaped like a hemisphere and has a diameter of 8m.
Which of the following is closest to the volume of the air that can fit in the opened parachute?
A) 134m power of 3
b) 268m power of 3
c) 1072m power of 3
d) 2145m power of 3

2. The volume of a cylinder is 325cm3. The height is 8.5cm.
Which is closest to thecmeasure of the radius.
A) 3.49cm
b) 6.09cm
c) 12.17cm
d) 38.24cm

3. Silvia is making lemonade. She is using a cylindrical container with a radius of 10cm and a height of 30cm. Which is closest to the volume of the container?
A) 37 700cm power of 3
b) 9425cm power of 3
c) 1885cm power of 3
d) 600cm power of 3

4, 5, & 7 i dont think you'll be able to help with need mental picture to answer these 2.

6. An inflated ballon approcimates a sphere with radius 11.5cm.
a student lung capacity is 3.6 L.

A) how many breaths does the student use to inflate the balloon?
What assumtions did you make?

B) how do you know your answer is reasonable?

Number 1 is A.
Number 2 is D. (I got 29.6 as the radius...)
Number 3 is B.

Is this all the questions?? or is there moooar?

I Know the rest..

Any other answers??

6.
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The assumption made is the 100% of the person's lung capacity was used, and 100% was transferred in each breath.

wat class r u in?