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Marat540 [252]
3 years ago
7

Combine like terms (2+7x)(2-7x)=

Mathematics
1 answer:
Aleksandr [31]3 years ago
7 0

Answer: 4-49x²

Step-by-step explanation:

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What is constant of proportionality ? y=14x k=?​
Delvig [45]

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Step-by-step explanation:

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Q3. Kylie sits two maths test. She scores 19/25 in the first one, and 16/20 in the second one.
Rina8888 [55]
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7 0
3 years ago
Read 2 more answers
Simplify the expression. 11c + 3(-5c + 4d)
tamaranim1 [39]
Perform indicated multiplication:

11c+3(-5c)+3(4d)

11c-15c+12d  combine like terms

(11c-15c)+12d

-4c+12d  factor

4(3d-c)
8 0
3 years ago
Read 2 more answers
What is the average of the following numbers: 18, 64, 23, 78, 82, 91
Katen [24]
To Find The Answer, We Need To Add All Of Them Together, Then Divide By the Number Of Values. So:
64+23+78+82+91
-----------------------
             5

<span>64+23+78+82+91 = 338.
</span>
338
-----
  5

338/5 = 67.6

So, The Average Is 67.6
3 0
3 years ago
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