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boyakko [2]
3 years ago
6

If f(x) = 2(x − 5), find f(8).

Mathematics
1 answer:
Jet001 [13]3 years ago
4 0

Answer:

6

Step-by-step explanation:

f(x) = 2(x-5)

f(8) = 2(8-5)

  1. parentheses comes first so, 8-5 = 3
  2. 2(3), so multiply and the final answer is 6

f(8) = 6

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Solve the equation 4x^2+36=0
raketka [301]

Answer:

it have no answer in real number(but it have in complex number if you know)

Step-by-step explanation:

4x^2+36=0

4x^2=-36

(if you know complex numbers see this: x^2=-9 then

x =  \frac{ + }{} 3i

)

7 0
2 years ago
True or false: The variable overhead rate variance uses the same basic formula as the labor rate variance except that the variab
Zanzabum

Answer:

True

Step-by-step explanation:

The variable overhead rate variance refers to the difference in two variables.

The Variables are

1. The actual variable manufacturing overhead

2. The expected variable overhead given the number of hours worked

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5 0
3 years ago
5. A video store charges a monthly
Rasek [7]
Answer: 8 movies

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Move the variables to one side

12 = 1.50x

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8 = x


Check:

3(8)= 24

12.00 + 1.50(8) = 24
8 0
3 years ago
What is 5,340,000 in scientific notation?
Lina20 [59]
5.34x10⁶ :) you're welcome!!!
5 0
3 years ago
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What is the solution of the equation 3^5 sqrt (x+2)^3+3=27?
BlackZzzverrR [31]
3^5) (x + 2)^(3/2) + 3 = 27 
<span>(x + 2)^(3/2) = 24 / 243 </span>
<span>x + 2 = [ 24 / 243 ]^(2/3) </span>
<span>x + 2 = [ 8 / 81 ]^(2/3) </span>
<span>x = [ 4 / 81^(2/3) ] - 2 =-1.786

the answer is x=-1.786</span>
4 0
3 years ago
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