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NNADVOKAT [17]
2 years ago
9

How to write (-8,-4) and (-6,-1) in slope- intercept form

Mathematics
1 answer:
Rina8888 [55]2 years ago
4 0

Answer:  = (-8,-4)(-6,-1)=54

Step-by-step explanation:

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Is b = 15 a solution to the equation 4b - 20 = 40?
irina [24]

Answer:

yes

Step-by-step explanation:

4 x 15 - 20 = 40

60 - 20 = 40

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2 years ago
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A electrician charges $45 per hour and spends $20 a day on gasoline.Write an algebraic expression to represent his earnings for
Sliva [168]
(45 X 24) - 20

hope this helps!
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A cone with radius 2 and height 9 has its radius tripled. How many times greater is the volume of the larger cone than the small
SpyIntel [72]

Answer:

When increasing the radius 3 times the volume increases 9 times and when it is reduced to a third the volume decreases 9 times

Step-by-step explanation:

We have that the formula for the volume of a cone is:

Vc = pi * (r ^ 2) * h

We first calculate the original volume, where the radius is 2 and the height is 9, replacing:

Vc = 3.14 * (2 ^ 2) * 9

Vc = 113.04

Now if the radius is tripled it would be: 2 * 3 = 6, the radius would be 6, replacing:

Vc = 3.14 * (6 ^ 2) * 9

Vc = 1017.36

If we compare:

1017.36 / 113.04 = 9

This means that when the radius is tripled, the volume increases 9 times.

When if re reduces to a third the radius would be: 2/3, replacing:

Vc = 3.14 * ((2/3) ^ 2) * 9

Vc = 12.56

113.04 / 12.56 = 9

Which means that by reducing it to a third the volume becomes 9 times smaller.

6 0
3 years ago
Find the slope of each of the lines below:
KiRa [710]
The answers is -1/3 because of rise over run
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3 years ago
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krok68 [10]

Answer:

4 + 0.32x  

Step-by-step explanation:

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4 + 0.32x = monthly cost of x text messages

6 0
2 years ago
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