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DanielleElmas [232]
4 years ago
5

A contractor built a basement for a new home. The volume of the rectangular basement shown at the right is represented by the ex

pression 3x3+6x2-30x. If the height of the basement is 3x, what is the area of its base?

Mathematics
2 answers:
marishachu [46]4 years ago
8 0

Answer:

C. x^2+2x-10

Step-by-step explanation:

Volume of a Rectangular Prism = LWH

We have the height so we can simplify by dividing it out of the total volume

Then you get x^2+2x-10.

Since the area of the base is LW, that is your answer

elena-14-01-66 [18.8K]4 years ago
3 0
I did the math and the other answer is right !
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Dafna11 [192]

Let’s count it.

I’m assuming that you have a regular deck of cards and that means 13 hearts and 13 kings.

You can pick any card of 52 with equal probability 1/52 for each.

So there are 52 opportunities of 1/52 probability to take any card from deck.

But you are looking only for 13 of hearts and for 13 of kings. That means your chance is (13 + 13) / 52 = 1/2  :)

3 0
3 years ago
The grizzly bear population in yellowstone national park in 1970 was about 270.Over the next 35 years,it increased by about 115%
yawa3891 [41]

Answer:

581

Step-by-step explanation:

<u>Population of Grizzlys</u>

1970   >>>   270

2005   >>>   115% INCREASE

We need to find 115% of 270 and increase 270 by that amount. Firstly, converting percentage to decimal (division by 100):

115/100 = 1.15

So, that would be now:

1.15 * 270 = 310.5

Increasing, we get:

270 + 310.5 = 580.5

We round to 581

In 2005, the population was about 581

3 0
3 years ago
How do I solve this?
aleksandr82 [10.1K]
1) -2 -6
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5 0
3 years ago
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To paint a house, a painting company charges a flat rate of $500 for supplies, plus $50 for each hour of labor. a. How much woul
frosja888 [35]

Answer:

<u>For 20 hours it would be $1,500.</u>

Step-by-step explanation:

The equation for this problem would be Y = 50x + 500.

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<em>Hope this helps! Sorry if it was not what you were looking for!</em>

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3 years ago
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!!!! PLEASEEE HELP ME, IDK WHAT TO DO PLEASE !!!!
Helga [31]

Answer:

  The first question is A.

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3 years ago
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