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11111nata11111 [884]

4 years ago

5

Need help with this problem!

1 answer:

zavuch27 [327]4 years ago

4 0

Answer:

1 Pound of Rock = .01 cubic feet

OR 100 pounds per cubic foot

A) Company needs 500,000 pounds of rock

Volume of Rock to be transported: = 500,000 * .01 =

5,000 cubic feet

B) Volume of each truck 12 * 9 * 8 = 864 cubic feet

C) Trucks needed for entire shipment:

= 5,000 / 864 = 5.78

So, we'll need 6 trucks.

Step-by-step explanation:

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3 years ago

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tamaranim1 [39]

Answer:

12 : 1

Step-by-step explanation:

<u>The volume of a cylinder:</u>

V = πr²h, where r-radius, h-height

<u>New dimensions of the cake:</u>

r1 → 2r and h1→ 3h

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5 0

4 years ago

X^2 - 18x + 81 = 0 x=?

levacccp [35]

Answer:

x = 9

Step-by-step explanation:

Solve for x:

x^2 - 18 x + 81 = 0

Write the left hand side as a square:

(x - 9)^2 = 0

Take the square root of both sides:

x - 9 = 0

Add 9 to both sides:

Answer: x = 9

5 0

4 years ago