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2 years ago

Factor this polynomial 6x^2 + 19x – 7.

Mathematics

1 answer:

kondaur [170]2 years ago

8 0

Answer:

(3x-1) (2x+7)

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Liz polishes rings for a jeweler. She can polish 9 rings per hour. How many rhours will it take her to polish 315 rings?

Annette [7]

315 divided by 9 = 35 hours

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2 years ago

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Find the volume of the following compound shape.

Bess [88]

<h3>Given:</h3>

Cone
Cylinder

<h3>Volume of the cone:</h3>

$v = \frac{1}{3} \pi {r}^{2} h$

$v = \frac{1}{3} \times \pi \times {10}^{2} \times 10$

$v = 1047.20 \: {cm}^{3}$

<h3>Volume of the cylinder:</h3>

$v = \pi {r}^{2} h$

$v = \pi \times {10}^{2} \times 10$

$v = 3141.59 \: {cm}^{3}$

<h3>Total volume:</h3>

$v = 1047.20 + 3141.59$

$v = 4188.79 \: {cm}^{3}$

Hence, the volume of the given cone shape is 4188.79 cubic centimeters.

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1 year ago

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Which of the following best describe the correct definition of the term

Westkost [7]

what are the options?

3 0

2 years ago

Answer Please! I hate khan academy lol

Zanzabum

Answer:

C; None of the above.

Step-by-step explanation:

Pretend x=1, y=0, and z=2.

You have to match an answer to 1+0-2 (equals to -1).

The first equation would be 2+0+1. When you add them all together you get 3, and that isn't equivalent to -1, so therefore this one is not the answer.

The second equation becomes 1+2+0, and when you solve for the answer, you see that the answer is also 3, and so we can conclude that neither A or B matches with the equation above, so the answer is C, None of the above.

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2 years ago

Simple 3c-9d+7c+5d Please help me

timama [110]

I believe 10c-4d would be your answer

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