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Dahasolnce [82]
3 years ago
7

Please help for 10 points and help with both questions please.

Mathematics
2 answers:
iragen [17]3 years ago
6 0
21) 18×.36=6.48
6.48+18.00= 24.48 (B)

22) 80×.10= 8.00
80-8.00=72.00
72×0.07=5.04
72.00+5.04= 77.04 (B)
DedPeter [7]3 years ago
3 0
Question 21 
Selling price = 18 + 18 x 36/100

Question 22

Discount price = 80 - 80x10/100

Selling price = discount price + discount price x 7/100
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Gnesinka [82]
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3 years ago
Simplify 4^-4.<br> please help I have 10 minutes
kolezko [41]

Answer:

1/256

Step-by-step explanation:

4^{-4}

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7 0
3 years ago
C/ 8= 9. What does c equal
Norma-Jean [14]

Answer: 72

72/8 will get you 9. To see if the answer is correct Multiply 9*8.

7 0
3 years ago
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The sum of three consecutive numbers is 12 find the numbers
snow_tiger [21]
Let x,y,z be those numbers.
x+y+z = 12
Since x,y,z are consecutive: y=x+1, and z = x+2
Let's replace y and z by their new values:
x+x+1+x+2=12
3x+3=12
You subtract 3 from each side to get variables on a side, and numbers on the other:
3x=9
You divide both sides by 3:
x=3

y=x+1 = 3+1 = 4
z=x+2 = 3+2 = 5

So the numbers are 3; 4 and 5.

You can re-check your answers (very important):
3+4+5 = 12
3;4;5 are consecutive numbers.
The answer has been approved.

Hope this Helps! :)
7 0
3 years ago
I NEED HELP WITH THIS!
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9 is the answer for that problem
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3 years ago
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