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lisov135 [29]
3 years ago
12

-7 + 3 (-4c -3) equivalent expressions

Mathematics
1 answer:
stira [4]3 years ago
3 0

Answer:

-12c - 16

Step-by-step explanation:

- 7 + 3( - 4c - 3) \\  =  - 7 + 3 \times ( - 4c) + 3 \times ( - 3) \\  =  - 7 - 12c - 9 \\  =  - 16 - 12c \\  =  - 12c - 16

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Yes.

Step-by-step explanation:

You are correct except to the nearest hundredth it is 795.54 cm^2.

7 0
2 years ago
What is 38,800 rounded to the nearest hundred mark all that apply?
SashulF [63]
38,800 is the answer

4 0
3 years ago
It is based on ratios
12345 [234]

Answer:

Gianna makes $18 per hour.

Step-by-step explanation:

Given Gianna makes 90$ for 5 hours. That means she should make $ \frac{90}{5} $ $  = 18$ every hour.

Therefore we have:

a.

HOURS                    DOLLARS

  1                                   18

  2                                  36

  3                                  54

  4                                   72

  5                                   90

  6                                   108

  7                                   126

b.

For the tabular column mark Hours on the x - axis and Dollars on the Y - axis. It can be plotted from the above table easily.

c.

If Gianna works for 8 hours she would have made 8 X 18 = 144$.

So, she will earn 144$ in 8 hours.

d.

To make 60$ she would have to work $ \frac{60}{18} $ hours = 3.33 hours.

3 0
3 years ago
How much taller was Mt. Everest determined to be in 1999, than in 1852? 11 meters 12 meters 22 meters 147 meters
katen-ka-za [31]

Answer:

11 meters

Step-by-step explanation:

In 1852 its height was 29.002ft or 8.839m, while the measuring in 1999 said that it was 29.035ft or 8.850m. That means that it is taller by some 11 meters or 33 feet. That is because it keeps increasing its size since its positioned on such plates that hit each other.

7 0
3 years ago
What is the solution to the equation 41+5 -3- 7+5?
AleksandrR [38]

Answer:

no solution

Step-by-step explanation:

it's just 41

4 0
2 years ago
Read 2 more answers
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