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nadezda [96]
3 years ago
8

I have nothing to add here lolololol

Mathematics
1 answer:
Fynjy0 [20]3 years ago
7 0
X= 20
4X= 100
mark me as brainliest !
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Given 2x^2=-8, x is<br><br> A.-2<br> B. 2<br> C. 2i or -2i<br> D. 4i or -4i
Lera25 [3.4K]

Answer:

2i or -2i

Step-by-step explanation:

2x² = -8     First, clear x.

x² = -8/2    Solve

x² = -4        Now, eliminate the square of x by solving the square root of -4.

x = √-4

x = 2i or -2i Is an imaginary number.

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3 years ago
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Elena-2011 [213]

Answer: 1/25 or 0.04

Step-by-step explanation:

1/5 divided by 5 for the whole number you have to turn it to a fraction so you would do 5/1

THEN: it becomes 1/5 divided by 5/1 but you have to do the inverse so the inverse of division is multiplying and you will cross multiply so 5*5= 25 and 1*1=1 therefor the final answer is 1/25

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2 years ago
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Mr. Lane is 6 feet 4 inches tall. His daughter, Mary, is 3 feet 8 inches shorter than her father. His son is 9 inches taller tha
algol [13]
2 feet and 1 in. Explanation is subtract 3’8 from 6’4 then add 9in too it. Feet can only go to 12in. But you’ll get 3’4. Then add 9 and you’ll get 3’13 so you’ll get 4’1 and then just subtract that from 6’4 and you get 2’1
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4 years ago
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How do i do this 2+2
swat32

Answer: Its 4

Step-by-step explanation:

  1. Okay so 2+2 is just saying like your adding 1+1+1+1 and that gives you four.
  2. They're is another way you can get the sum too, You just add 2 to the number 2.

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4 years ago
State whether the percent of change is a percent
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Answer:

percentage decrease

16.7 percentage of change

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3 years ago
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