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3 years ago

Help help help please

Mathematics

1 answer:

Tatiana [17]3 years ago

6 0

Answer:

The answer: cougar population is 9 times the bear population

Step-by-step explanation:

∵ x = 15 ⇒ 15 years after study time

∵ f(x) = 830(0.8)^15 = 29.203 ≅ 29

From the table the cougar population after 15 years = 226

∴ The cougar population = 266 ÷ 29 = 9.172 ≅ 9 times the bear population

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4 years ago

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4 years ago

Theo containers designed to hold water are side by side, both in the shape of a

OlgaM077 [116]

The percentage this empty space is of the entire volume is 26.12 % when rounded to the nearest tenth.

We have given that the shape of a

cylinder Container A has a diameter of 30 feet and a height of 18 feet.

diameter =30 feet and height =18 feet

Therefore

$radius=\frac{d}{2} \\\\radius=\frac{30}{2} \ \\\\radius=15$

What is the formula for volume of cylinder ?

$volume =\pi r^2h$

For cylinder A,

$volume =\pi r^2h$

$volume =\pi (15)^218\\ \\V=12723.45 ft^{3}$

Similarly for cylinder B,

h=19

radius

$\frac{26}{2} =13feet$

volume of cylinder B

$volume =\pi r^2h\\\\volume =\pi (13)^2(19)\\\\volume =10087.65 feet^3$

After pumping all of Cylinder A into Cylinder B there will remain empty space in B

$12723.45-10087.65=2635.8 feet^3$

The percentage this empty space is,

of the entire volume is

$\frac{2635.8}{10087.65} =0.261289$

which is 26.12 % when rounded to the nearest tenth.

Therefore,

The percentage this empty space is of the entire volume is 26.12 % when rounded to the nearest tenth.

To learn more about the volume of cylinder visit:

brainly.com/question/9554871

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3 years ago

Help help help please ​

Help help help please