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vitfil [10]
3 years ago
11

What property is illustrated in the equation 4+0=4 ?

Mathematics
1 answer:
LuckyWell [14K]3 years ago
5 0
Identity property of addition
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Solve this by substitution
frozen [14]

Answer:

y= 1 and x=-2

Step-by-step explanation:

Since they both equal y, you can equal them to each other:

x + 3 = 2x + 5

Then solve:

x - x + 3 = 2x - x + 5

3 - 5 = x + 5 - 5

-2 = x

Substitute x in either equation to solve for y:

y = (-2) +3

y = 1

Or the other equation:

y = 2(-2) + 5

y = -4 + 5

y = 1

hope this helps :)

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3 years ago
K-mart buys lego solar systems for $165 and marks them up 3/5 of the price. How much do they sell for?
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They would sell, for 99 dollars.
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3 years ago
Multiply. Write a the product as a mixed number
harina [27]

1. 7 1/2

2.5 1/3

3. 7 1/2

4.9 3/5

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3 years ago
Let n be the product of the two smallest 3-digit prime numbers. Find the sum of the digits of n.
lilavasa [31]

Answer:

Step-by-step explanation:

n = 101 × 103 = 10,403

sum of digits = 8

7 0
2 years ago
Which equation could be used to solve y 2+7y=18 by factoring?
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 <span>(y + 9)(y - 2) = 0  would be the correct answer .</span>
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