3 years ago

7 squared minus y equals 6 then y equals

Mathematics

1 answer:

vova2212 [387]3 years ago

6 0

Answer:

Y = 43

Step-by-step explanation:

7^2 - y = 6

49 - y = 6

subtract 49

-y = -43

divide by -1

y = 43

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Marco drove 75 miles in 1 2/3 hours. how many miles ca he drive in 1 hour?

GenaCL600 [577]

Answer:

45 miles

Explanation:

The distance driven is directly proportional to the time:

distance / time = K

Which can also be written as:

distance₁ / time₁ = distance₂ / time₂

Here you have:

distance₁ =75 miles

time₁ = 1 + 2/3 hours = (3 + 2) / 3 hours = 5/3 hours

distance₂ = x

time₂ = 1 hour

With that you can set up a proportion:

75 miles / (5/3) hour = x₂ / 1 hour

Solving for x₂ you get:

x₂ = [75 miles] × 1 hour / (5/3 hour) = 3 × 75 / 5 miles = 45 miles

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3 years ago

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Answer:

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Step-by-step explanation:

ratio table will help you

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3 years ago

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3 years ago

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You want the xs and the numbers on different sides.
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3 years ago

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