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Dafna1 [17]
4 years ago
12

Mel and Kenneth went to refinish the community center gym floor. The rectangular floor is 15.2m wide and 25.6m long. If each gal

lon of polyurethane covers about 180 square meters, how many gallons should Mel and Kenneth buy?? Show work
Mathematics
1 answer:
elena-14-01-66 [18.8K]4 years ago
7 0
Mel and Kenneth should buy 3 gallons.
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Rewrite 8^(9/5) as a radical expression. I think it might be D, I'm unsure though.
AnnZ [28]
It is D, Nancy Reynolds from Chicago.

The denominator of the exponent is the index of the radical, the base of the exponent is the base of the radical, and the numerator of the exponent is the exponent of the radicand.

8^{\frac{9}{5}}= \sqrt[5]{8^9}
7 0
3 years ago
A ball of radius 17 has a round hole of radius 7 drilled through its center. Find the volume of the resulting solid.
Ahat [919]

Answer:

<h3>19,133.067</h3>

Step-by-step explanation:

Volume of the ball (spherical in nature) Vb = 4/3πrb³

Volume of the hole Vh = 4/3πrh³

rb is the radius of the ball

rh is the radius of the hole

If a ball of radius 17 has a round hole of radius 7 drilled through its center, the volume of the resulting solid will be expressed as:

V = Vb - Vh

V = 4/3πrb³ - 4/3πrh³

factor out the like terms;

V = 4/3π(rb³-rh³)

Given

rb = 17

rh = 7

V = 4/3π(17³-7³)

V = 4/3π(4913-343)

V = 4/3π(4570)

V = (4π*4570)/3

V = 57,399.2/3

V = 19,133.067

Hence the volume of the resulting solid is 19,133.067

6 0
3 years ago
Choose all four of the perfect squares. PLZ HELP ME QUICK 4 points 39 64 81 200 50 25 8 9
Zarrin [17]

Answer:

3

Step-by-step explanation:

7 0
3 years ago
What’s the answer to this problem?
Delicious77 [7]

Answer:

f (-4)=0

f (-1)=3

f (0)=0

Step-by-step explanation:

The answers are the y value for the given x values on the graph.

3 0
4 years ago
Read 2 more answers
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djverab [1.8K]
Your expression is A = (L + 3) x (2w) x h
5 0
3 years ago
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