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bonufazy [111]
2 years ago
13

8. The price of a gaming keyboard is reduced from $45 to $27. By what percentage was the price of the keyboard reduced? A. 18% B

. 27% C. 40% D. 60%​
Mathematics
1 answer:
lesya692 [45]2 years ago
6 0

Answer:

D. 60%

Step-by-step explanation:

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Rob owes Debra $36 and pays her 1/3 of what he owes. How much does he now owe?
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Answer:

24

Step-by-step explanation:

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2 years ago
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If f(1) = 160 and f(n + 1) = –2f(n), what is f(4)?
lions [1.4K]

Answer:

-1280

Step-by-step explanation:

There are 2 ways you could do this. You could just do the question until you come to the end of f(4). That is likely the simplest way to do it.

f(1) = 160

f(2) = - 2 * f(1)

f(2) = -2*160

f(2) = -320

f(3) = -2 * f(2)

f(3) = -2 * - 320

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f(4) = - 2 * f(3)

f(4) = - 2 * 640

f(4) = - 1280

I don't know that you could do this explicitly with any real confidence.

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2 years ago
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A little help on this question? Picture is below. (For 20 points.)
Elena L [17]

Answer:

a) 3 3/5

b) 18/5

c) 3.6

Hope this helps!

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2 years ago
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Help with this picture too
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Answer:

(6x+3)(6x-3)

Step-by-step explanation:

I used FOIL

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The outer -18x

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3 years ago
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