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zhenek [66]
3 years ago
8

How many shirts do I have if have a ratio of 2 to 7 with ten pairs of pants

Mathematics
1 answer:
tiny-mole [99]3 years ago
3 0
2/7 = x/10
cross multiply:
10 * 2 = 20
7 * x = 7x

7x = 20
x = 2.857
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A motorist drives for m hours at 120km/hr and n hours at 18km/hr. Altogether Somina drives 78km in 5 hours. Find m and n.​
nikdorinn [45]

Answer:

(0.118, 4.882)

Step-by-step explanation:

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If he drives n hours at 18km/hr;

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m =

Since m + n = 5

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3 0
3 years ago
Evaluate:<br> <img src="https://tex.z-dn.net/?f=32%5E%7B-%20%5Cfrac%7B2%7D%7B5%7D%20%7D%20%3Cbr%3E%3Cbr%3E%3Cbr%3E%3Cbr%3E%3Cbr%
shutvik [7]
32^{- \frac{2}{5} }  =  ( \frac{1}{32}) ^{ \frac{2}{5} } = ( \frac{1}{32} )^{ \frac{1}{5} *2}  =  [ ( \frac{1}{32}) ^{ \frac{1}{5} } ]^{2}  =  ( \sqrt[5]{ \frac{1}{32} } ) ^{2}  =  ( \sqrt[5]{ \frac{1}{2}*  \frac{1}{2} *  \frac{1}{2} *  \frac{1}{2} *  \frac{1}{2}   } )^{2} = ( \frac{1}{2} )^{2}   answer 

<span>the notebook
</span>(32)^{-  \frac{2}{5} }  =  ( \sqrt[5]{ \frac{1}{32} } )^{2}  = ( \frac{1}{2}  )^{2} =  \frac{1}{4}<span>

</span>
3 0
3 years ago
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