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4 years ago

What the answer thanks

Mathematics

1 answer:

kati45 [8]4 years ago

4 0

I'm pretty sure that the answer is A., because if you turn the fraction into a decimal and multiply it by 24, you get 7.999992, which estimates to be 8.

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Help help help for more points

iVinArrow [24]

Answer:

Step-by-step explanation:

Find out how much time she took for babysitting. She took 3.5 hours.

11 - 7.5 = 3.5

Now divide 3.5 from 15.75. You get 4.5.

That means she earned $4.5 per hour

8 0

3 years ago

Read 2 more answers

######### sʇuᴉod ǝǝɹɟ

yarga [219]

Thanks man

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7 0

3 years ago

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The polynomial of degree 3, P(x), has a root of multiplicity 2 at x=5 and a root of multiplicity 1 at x=−5.

satela [25.4K]

Answer:

P(x) = $-0.7(x-5)^{2}(x+5)$

Step-by-step explanation:

Root multiplicity of 2 means the root is repeated 2 times. Root multiplicity of 1 means root is repeated only once.

A polynomial of degree 3 means the largest exponent of x is 3.

Here, the polynomial P(x) has root 5 with multiplicity 2 and -5 with multiplicity 1.

So, P(x) = $a(x-5)^{2}(x+5)$

Where, $a$ is a constant.

Now, it's given that the y intercept is -87.5. Therefore, value of x at y intercept is 0.

We obtain $a$ by plugging in -87.5 for P(x) and 0 for x.

$-87.5=a(0-5)^{2}(0+5)$

$-87.5=a(25\times5)\\ a=-\frac{87.5}{125}=-0.7$

Therefore, the polynomial P(x) is given as:

$P(x) =-0.7(x-5)^{2}(x+5)$

3 0

4 years ago

The third one ^^

raketka [301]

I hate math so much

3 0

3 years ago

Here is a list of numbers:<br> 8.4, 8.6, 7, 7.6, 2.4, 9.7, 5.8, 5.2, 3.3<br> State the median.

kramer

Answer:

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers