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prisoha [69]
3 years ago
13

I need help i will give the brainliest

Mathematics
1 answer:
arlik [135]3 years ago
3 0

Answer:

the answers are

13) -6

14) 6

15) -5

16) 3

17) 14

18) -4

19) -15

20) 4

21) 5

22) -12

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Calvin is building a fence. The fence will enclose a 100 square foot area, 10 ft wide by 10 ft long. Calvin can put fence posts
Mashutka [201]

Answer:

20 fence posts.

Step-by-step explanation:

Calvin is building a fence. The fence will enclose a 100 square foot area, 10 ft wide by 10 ft long. Calvin can put fence posts 2 feet apart.

Now, if he puts a fence post at each corner of the building, then considering each length of the building there will be (\frac{10}{2} + 1) = 6 posts along each length.

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Therefore, in total there will be (6 + 6 + 4 + 4) = 20 fence post in the total fence. (Answer)

5 0
3 years ago
Find (1.6 X 107) + (3.8 X 108).<br> Express your answer in scientific<br> notation.
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Step-by-step explanation:

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Step-by-step explanation:

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3 years ago
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mario62 [17]

Answer:

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Step-by-step explanation:

Ok, so first substitute x for 4 in

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k(3) = 2/(3) + 2(3)

Now you can solve each individually.

g(4) = 5 × 4 = 20

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g(4) + k(3) = 21 + 6 2/3 = <u>27 2/3</u>

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