3 years ago

What is the sum of radical 28and radical 63

1 answer:

8 0

Answer:

91 radical

Step-by-step explanation:

because because two radicals make a radical and when you add those numbers together there 91 so 91 radical

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Alex17521 [72]

First, you can factor them into (x-8)(x+9)=0 then set x-8=0 and x+9=0, in which you get X = 8 or X = -9

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3 years ago

White raven [17]

the awnser to your problem would be 3m to the 9th power because 21m divided by 7m = 3m and then add the powers together so its 3m to the 9th power

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3 years ago

Marta_Voda [28]

Answer:

(x+7) (x+3)

Step-by-step explanation:

x times x equals x2

3x + 7x = 10x

7 x 3 = 21

(x+7) (x+3)

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Tatiana [17]

$\sf {5a^2+b~is~\boxed{\bf{prime}}}$

It is prime because it has no common factors in 5a^2 and b.

The answer is A.

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3 years ago

Snowcat [4.5K]

The correct answer is B) -3

I am 100% positive

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3 years ago