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Amiraneli [1.4K]
3 years ago
10

What is the slope of the line with the equation -7x + 4y = -8

Mathematics
1 answer:
lys-0071 [83]3 years ago
4 0

Answer:

1 3/4 or 7/4 or 1.75

Step-by-step explanation:

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Joy earns $90.00 a month babysitting. She saves 15% of the money and is able to spend the rest. How much money does she save a m
alisha [4.7K]
You have 90 and you have 15%

so you have to subtract 90 and 15%
 
90-15%=76.5

she puts $13.50 in savings and is able to spend $76.5
4 0
3 years ago
80<br> 3.<br> # 765 = 945<br> Arrow way
Darina [25.2K]
What do you mean? I’m not sure
6 0
3 years ago
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A company tests the life of its rechargeable batteries over six months of use. They test how long a battery will last after a fu
jonny [76]

Answer:

18.6 months

Step-by-step explanation:

Given that :

Best fit line from scatterplot :

y=-12.05x +224.26

x = Number of month

y = charge on battery

Number of months a typical battery uses before being dead completely :

When battery is dead completely ; charge =0, y = 0

y = -12.05x + 224.26

0 = - 12.05x + 224.26

12.05x = 224.26

x = 224.26 / 12.05

x = 18.610788

Hence, 18.6 months before battery is completely dead.

4 0
3 years ago
The height of a stack of DVD cases is proportional to the number of cases in the stack. The height of 6 DVD cases is 114 mm.
Zanzabum
OK so my answer is from what you’ve just explained that means you multiply the six and the 114 is 684 so that means if you have to do that to 13 of them that means 684×13 is what your equation would be in the answer to 684×13 is 8892
8 0
2 years ago
Read 2 more answers
Which of the following is the solution set to the inequality −25x+14&gt;20?
Bezzdna [24]

Answer:

Option C. x < -15

Step-by-step explanation:

<u><em>The correct inequality is</em></u>

-\frac{2}{5}x+14 >20

Solve for x

subtract 14 both sides

-\frac{2}{5}x+14-14 >20-14

-\frac{2}{5}x >6

Multiply by -1 both sides

\frac{2}{5}x < -6

Multiply by 5/2 both sides

x < -6(\frac{5}{2})

x < -15

8 0
3 years ago
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