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Vinil7 [7]
3 years ago
9

A hot air balloon descended 99.6 meters in 12 seconds. What was the balloon's average rate of descent in meters per second?

Mathematics
2 answers:
bagirrra123 [75]3 years ago
5 0
99.6 divided by 12 is 8.3 so the answer is 8.3
maks197457 [2]3 years ago
5 0

Answer: 8.3 meters per second.

Step-by-step explanation:

Given : A hot air balloon descended 99.6 meters in 12 seconds.

then, the average rate of descent is given by :-

\text{Average rate of descent}=\dfrac{\text{\text{Distance descended }}}{\text{Time}}\\\\\Rightarrow\ \text{Average rate of descent}=\dfrac{99.6}{12}\\\\\Rightarrow\ \text{Average rate of descent}=8.3

Therefore, the balloon's average rate of descent in meters per second = 8.3 meters per second.

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Step-by-step explanation:

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8x-5y=21 simultaneous linear equation<br>2x+9y=-5
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Answer:

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Step-by-step explanation:

If two equations are given, we can solve one of the equation in terms of single variable and put it in the other equation which will further give the value of x and y.

For the given equations:

8x-5y=21              Equation:1

2x+9y=-5             Equation:2

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Subtracting Equation:3 from Equation:1

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Putting value of 'y' in Equation:2 which will give the value of x

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