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Luda [366]
4 years ago
6

Please help! And 20 points! :3 I need help with these 3 questions- -3-||

Mathematics
1 answer:
Sav [38]4 years ago
4 0

Answer:

21. 150%

22. $15

23. 46 question.

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What is the decimal number of 100/2​
Marina86 [1]
I think it might be 50? unless you meant 2/100, which is 0.02
4 0
3 years ago
Please help me, Thank you :)
aliina [53]

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I am pretty sure its the first one

7 0
3 years ago
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If you sleep for 9 h one night, what fractional part of a day did you spend sleeping?
Angelina_Jolie [31]

Answer:

3/8 of the day

Step-by-step explanation:

A day is 24 hours

You spend 9 of them sleeping

The fraction you spend sleeping is

9/24

You can simplify the fraction by dividing the top and bottom by 3

9/3 = 3

24/3 = 8

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7 0
3 years ago
Solve each system by elemination, 4x+8y=20 and -4x+2y=-30
ludmilkaskok [199]
The sum of the left side of these two equations is equal to the same of the right side is these two equations
4x+8y + (-4x+2y) = 20 + 30
10y =50 ( x is eliminated)
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Take this into the second equation
-4x +2y = 30
-4x + 2*5 = 30
x=-5

So x=-5
y=5
5 0
3 years ago
Adding parentheses and brackets
eduard

Answer:

what is the question

Step-by-step explanation:

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