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3 years ago

Simplify 3c^2 + 5c^2 - c^2

Mathematics

2 answers:

kobusy [5.1K]3 years ago

8 0

Answer:

7c^2

Step-by-step explanation:

I hope this helps have a great day

yKpoI14uk [10]3 years ago

6 0

Since they’re all like terms u can just add/subtract them
3+5-1=7
7c^2 is the answer

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If EF = 2x+13, FG = 20, and EG = 71 what's the value of x

klemol [59]

Answer:

Step-by-step explanation:

|<----------------- 71 ----------------------->|

E-----------------------F---------------------G

2x + 13 20

find: x

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2x + 13 + 20 = 71

2x = 71 - 20 - 13

x = 38 / 2

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3 years ago

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3 years ago

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abruzzese [7]

Answer:

The coordinate of $Z$ is 13.36.

Step-by-step explanation:

According to the statement, we have the following information:

$\frac{XY}{XZ} = \frac{5}{12}$ (1)

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From (2), we have the following expression:

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$Y-\frac{7}{12}\cdot X = Z-\frac{7}{12}\cdot Z$

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If we know that $Y = 5.8$ and $X = 0.4$ , then the coordinate of $Z$ is:

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3 years ago

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