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dybincka [34]
3 years ago
12

Which correctly describes the roots of the following cubic equation x^3-5x^2+3x+9=0?

Mathematics
1 answer:
Bad White [126]3 years ago
8 0

Answer:

C) Three real roots, two of which are equal in value is the right answer I believe.

Step-by-step explanation:


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Bryant’s pool contains 13,000 gallons of water.
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Step-by-step explanation:

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Answer: #1) 3. The semicircle has twice the area of the circle

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Step-by-step explanation:

#1) The formula for area of circle is A=πr².

First, plugging in the radius for the circle, A=π(5)², we get an area of about 78.54 inches².

Plugging in the radius for the semicircle, A=π(10)², which is equal to 314.159.... However, since it is a SEMI-circle, we will divide this value by 2 to give us an area of about 157.08 inches².

Comparing the two areas, we see the semicircle has twice the area of the circle as 78.54 x 2 = 157.08.

#2) Again use the area of circle formula, A=πr². The radius is half the diameter, so half of 6cm=3cm, meaning r=3. plug it in.

A= π(3)²

A= 28.27 cm²

3 0
2 years ago
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Step-by-step explanation:

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The answer is 54x so yeah
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