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Dmitry [639]
2 years ago
6

Perform the indicated operations. Write the answer in standard form, a+bi. (8 - i)^2 + (8 + i)^2

Mathematics
1 answer:
ArbitrLikvidat [17]2 years ago
4 0

Answer:

{(8 - i)}^{2}  +  {(8 + i)}^{2}  \\   \\ thank \: you

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The equation y = 35.25x + 40 gives the labor cost y of repairing a car if it takes x hours to repair the car. Which statement is
Ad libitum [116K]
Repari cost (x) = y = 35.25 x + 40

x = number of hours to repair the car.

Every hour the cost will increase 35.25, becasue 40 is a fixed cost.

if x = 1, repair cost(1)  = 35.25 + 40

if x = 2, repair cost (2) = 35.25*2 + 40

if you subtract repair cost (1) from repair cost (2) you get 35.25*2 - 35.25 = 35.25

The same thing every time the repair time increases one hour. 

Answer: the last option of the list, for every hour of labor, the cost increases by $35.25
5 0
3 years ago
Please help ASAP. Find the volume of the trapezoid as a simplified expression. If correct I will give brainliest.
Leokris [45]

Answer:

2x^2*(2x^3+8x^2+2x)      or

4x^5+16x^4+4x^3

Step-by-step explanation:

A=[2x^3-x+(8x^2+3x)]*4x^2/2=2x^2*(2x^3+8x^2+2x)

or A=4x^5+16x^4+4x^3

6 0
3 years ago
I need help!! I don't know how to do this at all
Harman [31]
You have to make a proportion:
12+x/8=8/x
Then cross multiply to solve for x
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If Bob deposits $5,000 at the beginning of each year for 10 years in an account paying 12% interest compounded annually, find th
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Possibly $56000 or give me one sec for the hard answer,.
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3 years ago
Read 2 more answers
What is the sum of twice a number and 13 is 75
photoshop1234 [79]
Equation-   2n+13=75
n is 31
Hope this helped.
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3 years ago
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