3 years ago

What is the following sum? 5(3sqrtx)+9(3sqrtx)

Mathematics

2 answers:

drek231 [11]3 years ago

8 0

Answer:

5(3√x) +9(3√x) = 15√x+27√x= 42√x

5∛x + 9∛x = 14∛x

Step-by-step explanation:

mr Goodwill [35]3 years ago

4 0

Answer:

the answer is C

Step-by-step explanation:

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Lunna [17]

Answer:

It is 39 cupcakes.

Since he charges $2 per cupcake (39), it is 78.

He makes profit so subtract 30 from 78 and you get $48.

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3 years ago

The perimeter of a rectangle is 42 inches. If the width of the rectangle is 6 inches, what is the length?

snow_lady [41]

Answer:

Step-by-step explanation:

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3 years ago

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2 years ago

5 lb. 10 oz. − 3 lb. 1 oz. = lb. oz.

Darina [25.2K]

Answer:

2 lbs 9 oz

Step-by-step explanation:

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5 lb. 10 oz.

− 3 lb. 1 oz.

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3 years ago

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169= (24/2)^2 +(d/2)^2

OlgaM077 [116]

Answer: d = ±10

Step-by-step explanation:

169 = $(\frac{24}{2})^{2}$ + $(\frac{d}{2})^{2}$

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169 = 144 + $\frac{d^{2}}{4}$

25 = $\frac{d^{2}}{4}$

100 = d²

√100 = √d²

±10 = d

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3 years ago