3 years ago

Add 2 x 2 + 5 x + 6 to − 4 x 2 − x + 7

Mathematics

1 answer:

brilliants [131]3 years ago

6 0

Add 2 x 2 + 5 x + 6 to − 4 x 2 − x + 7

Add the expressions.

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Solve the Equation |x-8|=16

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3 years ago

Read 2 more answers

Hal has a steel barrel with a diameter of 6 feet that can be filled to a depth of 4.6 feet with oil. What is the volume of the b

scoray [572]

Answer:

129.996 cubic feet

Step-by-step explanation:

Assuming that the barrel is a perfect cylinder, we can use the formula to find the volume:

$\pi(r)^2(h)$

First, we have to find the radius, which is:

D = 2r

So the radius is 3 feet, since it is half of the diameter. Then, we plug in the values.

$3.14(3)^2(4.6)$

Now, we solve. Exponents are first...

3.14(9)(4.6)

Now multiply left to right.

28.26(4.6)

129.996 cubic feet

Therefore, the barrel can hold 129.996 cubic feet of oil. Hope this helps you!

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