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3 years ago

6

A rocket is launched from the top of a 90 foot cliff with an initial velocity of 140 feet per second. The height, h, of the rock

et after t seconds is given by the equati

1 answer:

erastovalidia [21]3 years ago

7 0

H=140s+90 s is seconds

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Find the constant of variation for the relation and use it to write an equation for the statement. Then solve the equation

Olenka [21]

Answer:

y = $\frac{49}{3}$

Step-by-step explanation:

Given that y varies directly as x then the equation relating them is

y = kx ← k is the constant of variation

To find k use the condition y = 7 when x = 3

k = $\frac{y}{x}$ = $\frac{7}{3}$ , thus

y = $\frac{7}{3}$ x ← equation of variation

When x = 7, then

y = $\frac{7}{3}$ × 7 = $\frac{49}{3}$

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3 years ago

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2 years ago

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Hope this helps!

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2 years ago

Petra jogs 2 miles in 24 mins. at this rate how long would it take her to jog 7 miles?

Wewaii [24]

The answer would be 84 because 2miles is equal to 24 minutes so you would break that in half down to one mile. One mile would be 12 minutes. So you would multiply 12 times 7 which equals 84 which would be your answer.

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2 years ago

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Step-by-step explanation:

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3 years ago

Read 2 more answers