2 years ago

Please Help With all 3! Will Give 100 Points + Brainliest!

Mathematics

1 answer:

koban [17]2 years ago

3 0

Answer: I don't see anything. Maybe upload some images?

Step-by-step explanation:

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What are the roots of the following polynomial equation? x^3 + 72= 5x^2 + 18x (write from least to greatest)

kow [346]

Answer:

2:3

Step-by-step explanation:

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2 years ago

How can you quickly calculate 20 percent of any bill amount?

Nikitich [7]

There are several ways in solving quick the 20% of any bill. One of those ways is by getting first the 10% of the amount then will later on be multiplied by two. Another one is by simply dividing the total bill amount by 5, which also 20% of the total bill amount. Hope this helps.

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3 years ago

A=5x+20 B=9x-92 Solve for x and then find the measure of A

Leviafan [203]

Because of the transversal and the parallel lines, we know that A+B=180°.

So:
5x + 20 + 9x - 92 = 180
14x - 72 = 180
14x = 180 + 72
14x = 252
x = 252/14
x = 18

A = 5x + 20
A = 5*18 + 20
A = 90 + 20 = 110

(Let’s check:
B = 9*18 - 92
B = 162 - 92
B = 70
70 + 110 = 180)

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3 years ago

The equation for the circle below is x ^2 + y^2 = 100. what is the length of the circles radius?

Ganezh [65]

Answer: 10 units.

Step-by-step explanation:

The equation of the circle in Center-radius form is:

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