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3 years ago

Convert 180 inches to feet.

Mathematics

2 answers:

Basile [38]3 years ago

7 0

Answer:

$\large\boxed{180\ in=15\ ft}$

Step-by-step explanation:

$1\ ft=12\ in\to1\ in=\dfrac{1}{12}\ ft\\\\180\ in=\dfrac{180}{12}\ ft=15\ ft$

Crazy boy [7]3 years ago

3 0

Answer:

180"/12 = 15 ft

Step-by-step explanation:

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Which set is closed under subtractionWhich answer choice shows that the set of irrational numbers is not closed under addition

vovikov84 [41]

Answer:

(a) Set of rational numbers

(b) $\pi + (-\pi) = 0$

Step-by-step explanation:

Solving (a): Set that is closed under subtraction

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For a set of number to be closed under subtraction, the following condition must be true

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Where

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Suppose that 15 inches of wire costs 90 cents. At the same rate, how many inches of wire can be bought for 48 cents?

tamaranim1 [39]

This can be solved by making an equivalent ratio.
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In a ratio of inches of wire:cents, this would be 15:90.

Now for the equivalent ratio.
We don't know the number in the inches place but we do know it for the cents place.
Let's use x to represent inches of wire.
x:48 is our new ratio, and we need to find x.

Since x:48 and 15:90 are equivalent, that means the same thing that was done to 90 to get 48 has to be done to 15 to get the value of x, since the same thing must be applied to both sides.
We can find what 90 was divided by (which is what we'll have to divide 15 by) by dividing 90 by 48.
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Answer:
While you can be 15 inches of wire for 90 cents, you can buy 8 inches of wire for 48 cents at the same rate.

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