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geniusboy [140]
1 year ago
11

On the blue prints for a house, 2 inches represents 3 feet. If the width of a room on

Mathematics
1 answer:
lisabon 2012 [21]1 year ago
3 0

Answer:

The actual width would be 9.75 feet. (I think).

Step-by-step explanation:

If two inches represents three feet, then two inches also represents thirty-six inches. You would then have to set up the proportion \frac{2}{36} = \frac{6.5}{x}. Solving that proportion would get you an answer of 117 inches, equal to 9.75 feet. I hope this helps! :)

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labwork [276]

Answer:

17

Step-by-step explanation:

2y+2=36

Let's solve this equation for 2y first.  This means get 2y by itself.

So to get 2y by itself I need to undo that addition of 2 next to it.

The inverse operation of addition is subtraction.

I'm going to subtract 2 on both sides:

2y      =36-2

2y      =34

Now we want to get y by itself so we divide both sides by 2 since division and multiplication are inverse operations:

 y=        34/2

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2 years ago
13. What is the result of adding 5.4a + 7.1 and -1.28 - 6.3?
den301095 [7]

Answer:

C. 4.2a + 0.8

Step-by-step explanation:

Given:

The two binomials given for addition are:

5.4a+7.1 and -1.2a-6.3

Now, adding both the binomials, we get:

5.4a+7.1+(-1.2a-6.3)

Distributing the positive sign inside the second binomial, we get:

5.4a+7.1-1.2a-6.3

Now, combining like terms using the commutative property of addition, we get:

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Simplifying the above expression, we get:

(5.4-1.2)a+0.8\\4.2a+0.8

Therefore, the resulting addition of the given binomials is 4.2a+0.8

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8 0
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Your dad is putting a new circular swimming pool in the backyard that has the radius of 8 ft. If he wants to put bricks AROUND t
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Answer:

2r*3.14= c

Step-by-step explanation:

2*8=16

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He will need 51 feet of brick

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