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marishachu [46]

3 years ago

8

(08.05)

1 answer:

Readme [11.4K]3 years ago

5 0

The mistake is in step 3:

I: −2m =−12 − 2n
II: 2m = 8 + 8n

the student set both right sides of the equations equal (−12 − 2n = 8 + 8n), but the left sides aren't equal: first equation has -2m, second has +2m so the signs of one of the equations must be inverted first

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I think the answer is:
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7 0

2 years ago

Slope of 1/10 passes through the points (0,1) and (c,2) what is the value of c<br> ten pts?

Ad libitum [116K]

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c=10

Step-by-step explanation:

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3 years ago

A diver was swimming 62 feet below sea level. He then dove 39 feet further down. He ascended 48 feet after a while. Find the new

Harman [31]

Answer:

53 feet

Step-by-step explanation:

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6 0

3 years ago

Are the expressions 5(x+2)-7 and 5x-5 equivalent

geniusboy [140]

Answer:

No

Step-by-step explanation:

5x-5 is not equivalent to 5(x+2)-7 because when you multiply out the 5 in 5(x+2)-7 you get 5x+10-7, which simplifies to 5x+3.

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7 0

2 years ago

16/9(1.2b)=4.8(20/3)<br> solve

mart [117]

$\frac{16}{9}(1.2b)=4.8( \frac{20}{3})$

Multiply 4.8 into (20/3), and multiply 16/9 with (1.2b)

$\frac{19.2b}{9} = \frac{96}{3}$

$\frac{19.2b}{9} = 32$ Multiply 9 on both sides

19.2b = 32(9)

19.2b = 288 Divide 19.2 on both sides

b = 15

4 0

3 years ago