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2 years ago

Mallory will donate 1/10 of

Mathematics

2 answers:

leva [86]2 years ago

8 0

Answer: $5,400

Step-by-step explanation:

$54,000 x .10 = $5,400

9966 [12]2 years ago

5 0

5,400 your welcome btw what grade you in

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3 years ago

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3 years ago

A circular swimming pool has a diameter of 40 meters. The depth of the pool is constant along west-east lines and increases line

Nataliya [291]

Answer:

Volume is $2000\pi\ m^{3}$

Solution:

As per the question:

Diameter, d = 40 m

Radius, r = 20 m

Now,

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iff

h(y) = cy + d

Then

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1 = c.(- 20) + d = - 20c + d (1)

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$A = rdr\ d\theta$

Thus

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$V = \int_{0}^{2\pi}\int_{0}^{20} (\frac{1}{5}r^{2}sin\theta + 5r}) dr\ d\theta$

$V = \int_{0}^{2\pi} (\frac{1}{15}20^{3}sin\theta + 1000) d\theta$

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3 years ago