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LenaWriter [7]
3 years ago
13

A hot air balloon rises at a rate of 38 km/h and starts at the height of 60 km. Another balloon started from the ground and is r

ising at the rate of 50 km/h. At this rate what height will they be at when they are at the same height?
Mathematics
1 answer:
Thepotemich [5.8K]3 years ago
5 0

Answer:

Height = 250km

Step-by-step explanation:

Given,

rate of rise of ballon 1 = 38 km/h

rate of rise of ballon 2 = 50 km/h

Let the time after which both the ballons will reach same height be 't'.

hence, after 't' hours,

⇒ height of ballon 1 = height of ballon 2

⇒ 38t + 60 = 50t

⇒ 12t = 60

⇒ t = 5 hours

so, the height at which both the ballons will be at the same height will be 250km.

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A researcher decides to split scores on an exam into quartiles. She determines that a score of 64 is at the 25th percentile, a s
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Answer:

Answer : A

Step-by-step explanation:

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percentage : 25    50   75

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If the number of observations is odd, then the median is  observation

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given n=3, middle term is '74'

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Interquartile range IQR = median of upper half-median of lower half

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3 years ago
Thad attempted 25 free throws and made 17 of them while Amy attempted 30 and made 20. Who shot the higher percentage?
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Step-by-step explanation: brainliest would be appreciated

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We need to find the solution to the given function.

<h3>How to find the solution to the function from the graph?</h3>

The solution of such a system is the ordered pair that is a solution to both equations. To solve a system of linear equations graphically we graph both equations in the same coordinate system. The solution to the system will be at the point where the two lines intersect.

From the given graph we can see that the two functions are intersecting at (–2,–4) and (4,8).

The solution points to the system graph are (–2,–4) and (4,8). Therefore, option A is correct.

To learn more about the solution points for the system graph visit:

brainly.com/question/16339562.

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7 0
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