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DerKrebs [107]
3 years ago
15

Which of the following is the correct factorization of the polynomial below?

Mathematics
2 answers:
sergij07 [2.7K]3 years ago
4 0

Here given a quadratic polynomial

  • we have to factorize it

2x²-8x+8

take 2 as common

2(x²-4x+4)

Here x²-4x+4 can also be written as

(x-2)²= x²-2×2×x +(2)²

(x-3

2)²= x²-4x+4

Hence ,

2(x-2)² is our answer

<u>Option C is the correct option</u>

Nimfa-mama [501]3 years ago
3 0
D yes sirrrrrr oh yeah don’t worry papa
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After 3 minutes, a submarine had descended to −320 feet. After 8 minutes, the submarine had descended to −420 feet. Assuming a l
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Answer:

d(t) = -20t - 260

Step-by-step explanation:

The depth function is:

d(t) = mt + b

After 3 minutes, a submarine had descended to −320 feet.

This means that d(3) = -320. So

d(t) = mt + b

-320 = 3m + b

After 8 minutes, the submarine had descended to −420 feet.

This means that d(8) = -420. So

d(t) = mt + b

-420 = 8m + b

From the first equation:

b = -320 - 3m

So

-420 = 8m + b

-420 = 8m - 320 - 3m

5m = -100

m = \frac{-100}{5}

m = -20

And

b = -320 - 3*(-20) = -260

So

d(t) = -20t - 260

7 0
3 years ago
Find the value of the expression. 4 + 8 ÷ 2 – 1 <br> a.19<br> b.7<br> c.12<br> d.5
astraxan [27]

First Division, next Addition and Subtraction (left-to-right)

4 + 8 : 2 - 1 = 4 + 4 - 1 = 8 - 1 = 7

<h3>Answer: b. 7</h3>
6 0
3 years ago
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saw5 [17]

Answer:

16. (80)(60) = 4800

17. (500)(600) = 300000

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Step-by-step explanation:

5 0
3 years ago
The height of a cylinder is 7 inches another cylinder with the same size base has double the volume what is the height of the se
Elanso [62]

Answer:

14

Step-by-step explanation:

7 0
3 years ago
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Vera_Pavlovna [14]

Answer: 6 hikes

Step-by-step explanation:

Look at the image provided. The lengths of the hikes are provided below. 1/2 is equivalent to 2/4 which is greater than/longer than 1/4 of an hour. We count the amount of X's above the numbers 1/2, 3/4, and 1 for an answer of 6. Hope this helped! :)

6 0
3 years ago
Read 2 more answers
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