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OleMash [197]
3 years ago
12

Factor the expression. k2 + 20k + 100

Mathematics
2 answers:
shepuryov [24]3 years ago
8 0

Here is your answer. Hope it will help you

andre [41]3 years ago
7 0

Answer:

( k + 10 ) ( k + 10 )

Step-by-step explanation:

k² + 20k + 100

( k + 10 ) ( k + 10 )

( k + 10 )²

k = -10

Can I get brainliest.

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What’s 5x8-6+5x7 divided by 4
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Answer:

17.25

Step-by-step explanation:

5x8-6+5x7 = 69

69 / 4 = 17.25

3 0
3 years ago
Cindy plans to shop for her school supplies and wants to know how much money she would need to spend. from her friend she knows
vlabodo [156]

Let the cost of 1 notebook be x and the cost of 1 binder be y.

4 notebooks and 3 binders would cost 23.5

Therefore, 4x + 3y = 23.5     (1)

7 notebooks and 6 binders would cost 44.5

Therefore, 7x + 6y = 44.5     (2)

Multiply the first equation by 2.

8x + 6y = 47     (3)

(3) - (2) gives

x = 2.5

Substitute the value of x in (1), we get,

4(2.5) + 3y = 23.5

10 + 3y = 23.5

3y = 23.5 - 10

3y = 13.5

y = 13.5/3

y = 4.5

Hence, cost of 5 notebooks and 3 binders is:

5x + 3y = 5(2.5) + 3(4.5)

           = 12.5 + 13.5

           = 26

Hence, cost of 5 notebooks and 3 binders is $26.

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3 years ago
Can someone help me out, please?
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Step-by-step explanation:

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2 years ago
Can someone please help me with this test question?
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Answer:

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Step-by-step explanation:

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