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MAXImum [283]
3 years ago
7

Whats v = r + at solve for a

Mathematics
1 answer:
Alecsey [184]3 years ago
6 0

Answer:

v - r

------ = a

  t

Step-by-step explanation:

Starting with v = r + at, subtract r from both sides, so as to isolate the 'at' term:

v - r = r - r + at, or

v - r = at

Next, divide both sides by t, to isolate a:

v - r

------ = a

  t

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mestny [16]
So much clearer!  Thank you (seriously).

Use the point-slope form of the eq'n of a str. line.  Find the slope first:
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Which answer choice do you believe matches this?

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3 years ago
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Slav-nsk [51]

Answer:

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4 0
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In a park,a sidewalk is built around the edge of a circular pond.The sidewalk is 7 feet wide,and the pond measure 15 feet across
densk [106]

Answer:

91.14 feet

Step-by-step explanation:

Given:

In a park,a sidewalk is built around the edge of a circular pond.

The sidewalk is 7 feet wide, and the pond measure 15 feet across.

Question asked:

What amount of railing would be needed to go completely around the outer edge of the sidewalk?

Solution:

From distance from one edge of the pond to the another =  15 feet

That means diameter of the pond = 15 feet

And width of the sidewalk = 7 feet all around

combined diameter = 15 + 7 + 7 = 29 feet

Radius,r = \frac{Diameter}{2} =\frac{29}{2} ==14.5\ feet

That means distance between outer edge of the sidewalk to the center of the circular pond = 14.5 feet

Now, we will have to find circumference of outer circular edge of sidewalk:

Circumference\ of\ circle=2\pi r

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Therefore, 91.14 feet would be needed to go around the outer edge of the sidewalk.

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Pavel [41]
B and D are the correct choices
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jek_recluse [69]
We know that

if  the volume of a prism <span>it was increased by a scale factor of 5
then
</span>the original volume is multiplied by 5*5*5-------> 5³=125

therefore 
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7 0
3 years ago
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