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olasank [31]
3 years ago
14

The price of a sweater was reduced from $20 to $12 by what percentage was the price of the sweater reduced

Mathematics
1 answer:
CaHeK987 [17]3 years ago
5 0
It should be a 40% reduction :)
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When c=3 and d=7<br> 21c + 2d - |-11|d
NeX [460]

Answer:

0

Step-by-step explanation:

21(3) +2(7) - 11(7)             because the absolute value of -11 is 11

63+14-77

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8 0
3 years ago
Which of the following equations have no solution? Check all that apply.
yan [13]
The following do not have a solution:
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4 0
3 years ago
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What are the answers since I’m confused an all over the place
dalvyx [7]
3 squares = 4 circles, so (number of squares)/(number of circles) = 3/4.
3/4 = 12/16
:::::
4 squares = 2 circles, so (number of squares)/(number of circles) = 4/2.
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:::::
2 squares = 5 circles, so (number of squares)/(number of circles) = 2/5.
2/5 = 4/10

7 0
3 years ago
Solve for r<br> rs / a - 3 = k
Jobisdone [24]
You can isolate r to one side of the equation by dividing by adding three, dividing by s, multiplying by a and you get:

r=a(3+k)/s
6 0
3 years ago
How does using the properties of addition makes a problem easier to solve
NISA [10]

9514 1404 393

Answer:

  properties of addition let you add, subtract, or rearrange the terms of a sum as may be needed

Step-by-step explanation:

Properties of addition let you rearrange a sum to make addition easier to do or to check mentally. They also let you "undo" addition or subtraction in the process of solving algebra problems. And, they let you add terms or constants that may make it easier to rearrange expressions, as in "completing the square."

4 0
3 years ago
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