3 years ago

I need help I'm not good in math

Mathematics

1 answer:

Simora [160]3 years ago

6 0

Same guys lol I’m not good at math too

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Sonya can walk 6 kilometers in 3 hours. If she has to walk 10 kilometers how much time will it take her?

kupik [55]

$6\ km\ in\ 3\ hours\\\\
10\ km\ in\ x\ hours\\\\
proportion:\\
6-3\\
10-x\\\\
cross\ multiplication\\\\
6x=3*10\\\\
6x=30\ \ \ | divide\ by\ 6\\\\
x=5\\\\ It\ will \ take\ 5\ hours.$

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3 years ago

What is the value of x in the equation x - y = 30, when y = 15? O4 O 8 O 80 O 200

olganol [36]

$\frac{1}{5}x - \frac{2}{3} y = 30 \\$

Putting the value of Y = 15

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So, X = 200

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3 years ago

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4 years ago

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Vlad1618 [11]

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