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3 years ago

Can someone help me out my grads are bad

Mathematics

1 answer:

Lynna [10]3 years ago

5 0

Answer:

10 across and 6 down

Step-by-step explanation:

multiply sides by 2

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

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A silo is a composite of a cylindrical tower with a cone for a roof. Find the volume of the silo if the

qaws [65]

Answer:

5127079.21 cubic feet

Step-by-step explanation:

The silo is in the shape of a cylinder and a cone.

The volume of the silo will be the sum of the volumes of the cylinder and the cone.

Therefore, its volume is:

$V = \pi r^2h + \frac{1}{3} \pi rH$

where r = radius of cylinder and cone

h = height of cylinder

H = height of cone

The radius of the base is 120 feet, the height of the roof (cone) is 25 feet. The height of the entire silo is 130 feet. This means that the height of the cylinder is:

130 - 25 = 105 feet

Therefore, the volume of the silo is:

$V = (\pi * 120^2 * 105) + (\frac{1}{3} * 120^2 * 25)\\\\V = 4750088.09 + 376991.12\\\\V = 5127079.21 ft^3$

The volume of the silo is 5127079.21 cubic feet.

4 0

3 years ago

$56.50 What is the amount of sales tax due?

horrorfan [7]

I think 2.83 but I don't have a lot of info

6 0

3 years ago

It is less than 60 and greater than 55 if you add the digits the sum is 13 write the number

slega [8]

The number is 58 because its less than 60 and greater than 50 and 5+8 =13.
Hope this helped you!

5 0

3 years ago

How can the quotient of powers law be used to show that a negative exponent is equivalent to the reciprocal

Kay [80]

Answer:Thus, (-3)-4 = 1/(-3)4.

Step-by-step explanation:

Negative exponents have the following property: n-m = 1/nm OR 1/n-m = nm

So for (-3)-4 , n= -3 and -m= -4 (or m= 4).

Thus, (-3)-4 = 1/(-3)4.

8 0

2 years ago

(x+7)^2+(y+8)^2=64 center and radius

Pie

(-7,-8) is the center and 8 is the radius.

6 0

3 years ago

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