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Dmitriy789 [7]
3 years ago
13

Sam can not read part of this homework problem. -7y +5(3 + ___y) Sam knows the expression simplifies to 3y + 15. What number bel

ongs on the blank line in the homework problem? Question 5 options: A. 10 B. -4 C. 4 D. 2
Mathematics
1 answer:
choli [55]3 years ago
7 0
Write and solve an equation, as follows:

-7y + 5(3+ny) = 3y + 15.  We are to find the value of 'n.'

-7y + 15 + 5ny = 3y + 15.

Subtracting 15 from both sides, we get    -7y + 5ny = 3y 

Grouping like terms, we get   5ny = 3y + 7y = 10y

Dividing both sides by 5y, we get n = 2   (answer)
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Pls help me ill give brainliest <br><br> Do all 3 pls to get brainliest
olya-2409 [2.1K]

Answer:

16.) c. 2x²+7x-15

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Step-by-step explanation:

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6 0
3 years ago
Sarah and her friends laid down two beach blankets. The blankets are the same length but of different widths. The distributive p
Masja [62]

Answer:The width of the orange blanket is 23 inches.

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7 0
2 years ago
The value of Peter's house has risen 20% a year for the last 3 years. If the value of Peter's home 3 years ago was $110,000.00,
IRISSAK [1]
Increase $110,000 by 20% 3 times.

110,000 x 0.2 = 22000
(0.2 is 20% as a decimal, we needed to convert it to multiply it)

So we must add 22000 to 110,000, then take 20% of the new cost, and repeat.

Add them
110,000 + 22000 = 132000

Take 20% of new value
132000 x 0.2 = 26400

Add that
132000 + 26400 = 158400

Take another 20% of that
31680

Add them
158400 + 31680 = 190080

So the value is now $190,080

A much more efficient way to do this would be multiplying 1.2 instead of 0.2, and skipping the adding part, as you already took 100% of it and are adding 20% more.

Hope this helps!
4 0
3 years ago
Read 2 more answers
Relate the value of the numbers 1 in 115,093,628
MAXImum [283]

100,000,000 is 100 million

10,000,000 is 10 milllion

8 0
3 years ago
Will give brainliest answer
vova2212 [387]

Answer:

pls I'll send you the answer tomorrow

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2 years ago
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