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omeli [17]
3 years ago
14

Multiplying radicals

Mathematics
1 answer:
Mazyrski [523]3 years ago
8 0

\bf (\sqrt{8x})(5\sqrt{2x})\implies 5\sqrt{2x\cdot 8x}\implies 5\sqrt{16x^2}\implies 5\sqrt{4^2x^2} \\\\\\ 5\sqrt{(4x)^2}\implies 5(4x)\implies 20x

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What is the answer 2-2n=3n+17
melamori03 [73]

Answer:

n=-3

Step-by-step explanation:

2-2n=3n+17

Add 2n to each side

2-2n+2n=3n+2n+17

2 = 5n+17

Subtract 17 from each side

2-17 = 5n+17-17

-15 = 5n

Divide by 5

-15/5 = 5n/5

-3 =n

7 0
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Which of the following statements are true ? Check all that apply
Elden [556K]

Answer:

Options A) and E)

Step-by-step explanation:

If you use Ruffini's method for polynomials, you can find the roots.

The given picture shows us the first root of the polynomial 5x^{2}-16x+12=0 wich is 2.

Thus, the original polynomial can be written as

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3 0
3 years ago
Sammy's Sandwich Shop has a mean delivery time of 25 minutes with a standard deviation of 2 minutes. Determine the z-score for t
fiasKO [112]

Answer:

 -1

Step-by-step explanation:

Given: Mean= 25 minutes.

           Standard deviation= 2 minutes

           x= 23 minutes.

Lets find the z-score for the number of sandwiches delivered in less than 23 mins.

Formula: Z-score= \frac{x-mean}{standard\ deviation}

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∴ Z-score will be -1

Hence, -1 is the z-score for the number of sandwiches delivered in less than 23 minutes.

6 0
3 years ago
5(m+4)=-2(-4-m)+3<br> help please
Degger [83]

Answer:

m = -3

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3m = -9

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3 0
3 years ago
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