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Marianna [84]
3 years ago
8

How to solve this problem?

Mathematics
1 answer:
arsen [322]3 years ago
7 0
The exact answer is 336
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Write (8a^-6) in simplest form.
salantis [7]
It's 8/a^6 that's your answer
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2 years ago
PLEASEEE HELP NOBODY IS ANSWERING ME RIGHT ALSO I AM USING UP THE LAST OF MY PoiNTS TO ASK THIS QUESTION !!! Determine the verte
irga5000 [103]

Answer:

D.

Step-by-step explanation:

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Write the equation of the circle whose center is (-4,8) and has a diameter of 18
svetoff [14.1K]

Answer:

(x + 4)^2 + (y - 8)^2 = 81

or

(x + 4)^2 + (y - 8)^2 = 9^2 depending on how your teacher wants it written.

Step-by-step explanation:

The standard form for a circle is

(x + h)^2 + (y + k)^2 = r^2

r is the radius.

You are given the diameter

r = d/2

r = 18/2

r = 9

So you already have the right hand side of the equation

(x + h)^2 + (y + k)^2 = 9*2

(x + h)^2 + (y + k)^2 = 81

You basically have h and k as well. They come from the center point.

h = 4

k = - 8

So the equation of the circle (and the answer) is

(x + 4)^2 + (y - 8)^2 = 81

One question remains. Why do the x and y values change signs? If you know what the distance formula is, then what you are finding is the distance r of all points on the circle from the center of the circle.

It is the distance formula that is actually the formula for the circle.

6 0
2 years ago
Help me please! Will give 20 Brainly points!
Vitek1552 [10]
The first one would be 5 and the second is 3 thanks and mark as brainiliest
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3 years ago
Jack collected 1350 pounds of waste paper for recycling today. If he decided to collect 24% more pounds of waste paper tomorrow,
miv72 [106K]

324 pounds

24% = \frac{24}{100} = 0.24

0.24 × 1350 = 324 pounds

He should collect 324 more pounds of waste paper


7 0
3 years ago
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