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Yuri [45]
3 years ago
6

Use two unit multipliers to convert 20 inches to miles

Mathematics
1 answer:
jarptica [38.1K]3 years ago
6 0

Answer:

Step-by-step explanation:

I answered another one of your questions so I will not explain as much.  ther are 12 inches in a foot and then 5280 feet in a mile so that's 1 ft/ 12 in and 1 mi/ 5280 ft.  So  the math is 20 in * 1 ft/ 12 in * 1 mi/ 5280 ft = .000315 mi.  

In reference to the last one, do keep in mind "square" inches and whatnot mean you square things.  so 1 ft/ 12 in becomes 1 ft^2/ 144 in^2.  Just as a small heads up to what could be tricky.

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lina2011 [118]

Answer:

Step-by-step explanation:

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s -a =  18 -  12 = 6 mm

s  -b = 18 - 16 = 2 mm

s  -c = 18 - 8 = 10 mm

area = \sqrt{s(s -a)(s-b)(s-c)}

       = \sqrt{18*6*2*10}\\\\= \sqrt{2160 }\\\\=46.47\\\\=46 \ mm^{2}\\

\dfrac{1}{2}* \ base * \ height = 46\\\\\dfrac{1}{2}*16* \ height = 46\\\\height = \dfrac{46*2}{16}\\\\

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Height = 5.8 mm

8 0
2 years ago
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Step-by-step explanation:

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3 years ago
Divide.
nika2105 [10]
-0.8 that is the answer hope it helps
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What is the anwser to 3(x-4)=12x
e-lub [12.9K]

Answer:

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Step-by-step explanation:

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