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kifflom [539]
3 years ago
9

Karan needs to choose between two gym plans. He can either pay a $150 joining fee and a $10 monthly fee, or he can pay a $50 joi

ning fee and a $30 monthly fee.
On what month will the cumulative costs of the plans be equal, and what will those total costs be

Answer: Karan will pay a cumulative cost of___?___ dollars with either plan to go to the gym for __?__ months.
Mathematics
1 answer:
Ierofanga [76]3 years ago
4 0

Let  x be the month on which the fee for two plans are equal.

Therefore,

150 + 10x = 50 + 30x

10x - 30x = 50 - 150

-20x = -100

x = 5

Cumulative cost = 150 + 10(5)

                           = 150 + 50

                           = 200

Hence, Karan will pay a cumulative cost of $200 dollars with either plan to go to the gym for 5 months.

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Answer:

A

Step-by-step explanation:

This is exponential decay; the height of the ball is decreasing exponentially with each successive drop.  It's not going down at a steady rate.  If it was, this would be linear.  But gravity doesn't work on things that way.  If the ball was thrown up into the air, it would be parabolic; if the ball is dropped, the bounces are exponentially dropping in height.  The form of this equation is

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Filling in,

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If ww want the height of the 6th bounce, n = 6.  Filling that into the equation we already wrote for our model:

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A(6)=1.5(.22190066)

So the height of the ball is that product.

A(6) = .33 cm

A is your answer

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