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3 years ago

8

Marty is 54 years old and his niece is 6. How many times older is Marty than his niece?

2 answers:

iren [92.7K]3 years ago

4 0

Answer:

<h2>9 times</h2><h2 />

Step-by-step explanation:

54 / 6 = 9

therefore, its 9x

zysi [14]3 years ago

3 0

You subtract 54-6= 48

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1. Are the two expressions below<br> equivalent <br> 25x + 20y = 5x(5+4y)

alexandr402 [8]

Answer:

No.

Step-by-step explanation:

25x + 20y = 5x(5 + 4y)

Distribute the 5x inside the (5 + 4y).

5x * 5 = 25x

5x * 4y = 20xy

25x + 20y ≠ 25 + 20xy, so the two expressions below are not equal.

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3 years ago

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In-s [12.5K]

Answer: $1590cm^3$

Step-by-step explanation:

$V=\frac{3\sqrt{3} }{2}a^2h$

a = base

h = height

$V=\frac{3\sqrt{3} }{2}(6cm)^2(17cm)$

Solve the parentheses squared first.

$V=\frac{3\sqrt{3} }{2}(36cm^2)(17cm)$

2 and 36 can be simplied

2/2=1

36/2=18

$V=3\sqrt{3}(18cm^2)(17cm)$

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3 years ago

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VashaNatasha [74]

Answer:

A.

Step-by-step explanation:

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2 years ago

Read 2 more answers

If f(x) = 2(x)^2 + 5 square root (x+2), complete the following statement (round your answer to the nearest hundredth): f(2) =

mojhsa [17]

$f(x) = 2(x)^{2} +5 \sqrt{x+2}$

$f(2) = 2(2)^{2} + 5 \sqrt{(2)+2}$

$f(2) = 2(4) + 5\sqrt{4}$

$f(2) = 8 + 5(2)$

$f(2)= 8+10$

f(2) = 18

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Answer:

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Step-by-step explanation:

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