4 years ago

Which of the following is a prime polynomial?

1 answer:

8 0

A polynomial is considered prime if it cannot be factored. In the list, it would be the 3d answer as the rest can be factored.

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The main show tank has a radius of 70 feet and forms a quarter sphere what is the volume of the quarter sphere shaped tank?

Usimov [2.4K]

Answer:

$359333.33\textrm{ }ft^{3}$

Step-by-step explanation:

Given:

Radius of spherical tank, $r=70\textrm{ ft}$

Volume of a quarter of a sphere is given as:

$V=\frac{1}{3}\pi r^{3}$

Plug in 70 ft for $r$ , $\frac{22}{7}$ for $\pi$ and solve for the volume, $V$ . This gives,

$V=\frac{1}{3}\pi r^{3}\\\\ V=\frac{1}{3}\times \frac{22}{7}\times (70)^{3}\\\\ V=359333.33\textrm{ }ft^{3}$

Therefore, the volume of the quarter sphere shaped tank is $359333.33\textrm{ }ft^{3}$

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4 years ago

At green deli employees earn double time for any hours worked in addition to their usual 40-hour week. Ester Klein worked 43 hou

topjm [15]

For the 40 hour week, they would be paid 40 multiplied by 9 which is 360. For the additional 3 hours they would be paid 18 dollars an hour, because its double.18 multiplied by 3 is 54. 360 + 54= 414. The answer is $414

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4 years ago

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A 5–foot string of lights will be attached to the top of a 4–foot pole for a holiday display. How many feet from the base of the

wel

Answer:

Step-by-step explanation:

The lights and pole form a right triangle. The question gives the hypotenuse as 5 and one side length as 4.

Use the Pythagorean theorem: $a^2+b^2=c^2$ .

Plug in what you are given: $4^2+b^2=5^2$

$16+b^2=25$

$b^2=9$

b = 3

Or you could recognize that it was a pythagorean triple: 3, 4, 5

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4 years ago

To make purple paint, you need 3 parts red and 5 parts blue. How much red paint is needed if I use 20 ounces of blue paint?

mina [271]

Answer:

Step-by-step explanation:

5x4=20

3x4=12

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3 years ago

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If two events. A and B, are independent then which of the following is always true about their probabilities?

iragen [17]

The answer I think is 4?

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3 years ago