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telo118 [61]
3 years ago
11

Let k = 5. What is the value of 27 – k · 2? A. 11 B. 17 C. 24 D. 44

Mathematics
2 answers:
Masja [62]3 years ago
8 0
The answer would be D.44 because if you plug in it would be 27-5 times 2 so 27 minus five gives you 22 and you would be left with 22 times 2 which gives you 4.

goldfiish [28.3K]3 years ago
8 0
27 - k \times 2<span>

when k = 5,

</span>27 - k \times 2 = 27 - 5 \times 2 = 27 - 10 = 17

----------------------------------------
Answer: 17 (Answer B)
----------------------------------------
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A number n is increased by 8. If the cube root of that results equals -0.5, what is the value of n?
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∛(n+8) = -1/2.  To solve this for n, cube both sides, obtaining n+8 = -1/8.

Eliminate the fraction by mult. all three terms by 8:             8n + 64 = -1

Solving for n:  8n = -65, so that n = -65/8.

8 0
3 years ago
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photoshop1234 [79]

Answer:

Given expression is equal to  1/32

Step-by-step explanation:

Given that:

= 4^(-5/2)

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= (1/4)^ 5/2

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= =\sqrt{(1/4)^5} \\=\sqrt{1/1024} \\=1/32

This is the simplified expression.

i hope it will help you!

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