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Viktor [21]
3 years ago
13

How does using the properties of addition makes a problem easier to solve

Mathematics
1 answer:
NISA [10]3 years ago
4 0

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."

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Step-by-step explanation:


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Please help which figure represents an under defined term?
torisob [31]

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D

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5 0
4 years ago
A $10 book is 50% off. What is the cost?
RoseWind [281]

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7 0
2 years ago
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Suppose that a cell phone monthly rate plan costs the user 5 cents per minute beyond a fixed monthly fee of $20. This implies th
nikdorinn [45]

Answer:

y = 20 + .5x

Step-by-step explanation:

Suppose that a cell phone monthly rate plan costs the user 5 cents per minute beyond a fixed monthly fee of $20. This implies that the relationship between monthly cost and monthly number of minutes is linear. Write an equation that relates total monthly cost to monthly minutes used.

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Let Total monthly cost = y

Total monthly cost = fixed monthly cost + variable monthly cost

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Equation that relates total monthly cost to monthly minutes used is y = 20 + .5x

8 0
3 years ago
The difference of twice a number and 3 is 11
Softa [21]
Let's break this down:

The difference: Something's gotta be subtracted
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is 11: The final answer is 11
So altogether is:

2n - 3 = 11
7 0
4 years ago
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