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marishachu [46]

3 years ago

13

How do you know that dividing by 1/6 is the same as multiplying by 6?

1 answer:

Natasha2012 [34]3 years ago

6 0

Answer:6

Step-by-step explanation:

Why if 1/6 you have to 1 x 6 in Older to get 6

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–0.2(x – 20) = 44 – x

GarryVolchara [31]

$-0.2(x-20)=44-x\qquad\text{use distributive property}\\\\-0.2x+4=44-x\qquad\text{subtract 4 from both sides}\\\\-0.2x=40-x\qquad\text{add x to both sides}\\\\0.8x=40\qquad\text{divide both sides by 0.8}\\\\x=\dfrac{40}{0.8}\\\\x=\dfrac{400}{8}\\\\\boxed{x=50}$

5 0

3 years ago

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Is it possible to change $15 into an equal number of half-dollars, quarters, and dimes?

beks73 [17]

Answer:

no

Step-by-step explanation:

8 0

3 years ago

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Will give brainliest for CORRECT and best explained answer.

Kruka [31]

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3 years ago

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A square pyramid has a height of 12 units and a volume of 256 units3. If a square prism has the same the base area and volume as

Juliette [100K]

Answer:

4 units

Step-by-step explanation:

The volume of a square pyramid is (a²)*h/3

256=a²*12/3

256=a²*4

256/4=a²

64=a²

a=8

Now we know that the square is 8 by 8.

The volume of a square prism is a²h

256=64h

256/64=h

h=4

Also, a square pyramid is 1/3 the volume of a square prism.

12÷3=4

3 0

3 years ago

Here's a problem for the minds-good luck!

Art [367]

Answer:

20%

Step-by-step explanation:

Set up a proportion: $\frac{280}{1400} = \frac{x}{100}$
Cross multiply, then divide: 280 × 100 = 28000, 28000 ÷ 1400 = 20
So, 20% were satisfied with their car

I hope this helps!

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3 years ago