Elsa made $143 for 11 hours of work. At the same rate, how much would she make for 5 hours of work

2 answers:

4 0

Find how much Elsa makes per hour (143÷11), she makes $13 per hour, multiply 13 by 5 and the answer is 65, she makes $65 in 5 hours.

Zepler [3.9K]3 years ago

3 0

Divide 11 into 143 to find out what she makes hourly. Which is 13 then times that into the 5 hours. 65

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olganol [36]

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A ball is launched into the sky at 272 feet per second from the roof of a skyscraper 1,344 feet tall. The equation for the ball’

xz_007 [3.2K]

When the ball is in the ground, its height is basically equal to zero thus making our equation,

-16t^2 + 272t + 1344 = 0

Simplifying the equation will give us,

- t^2 + 17t + 84 = 0 or t^2 – 17t – 84 = 0

Factoring out the equation will give us,

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Thus, t = 21 or t = -4. -4 is an extraneous root. Thus, the answer is t = 21.

Answer: 21 seconds