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Anestetic [448]
3 years ago
5

A balloon is released from the top of a platform that is 50 meters tall. The balloon rises at the rate of 4 meters per second. w

rite the rule for x in terms of y.
How high is the balloon after 20 seconds?

How high is the balloon after 8 seconds?
Mathematics
1 answer:
Svetlanka [38]3 years ago
6 0

Answer:

y= 50 + 4x, 130 meters and 82 meters.

Step-by-step explanation:

Given, a balloon is released from a 50 meter tall building and rises at the rate of 4 meters per second. So, the equation will be y = 50 + 4x,  where x is time in seconds.  

So, after 20 seconds, the balloon will be at  

y = 50 + 4x= 50 + 4 X 20 = 50+ 80= 130 meters. Here, x = 20 seconds.  

For, x = 8 seconds,  

y = 50 + 4x= 50+4 X 8 = 50+32= 82 meters. So the balloon will be at 130 meters and 82 meters respectively.

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3 years ago
What is the area of a circle with a Radius of 4 and a Diameter of 2?<br><br> (Its on Khan)
algol13

Answer:4^2≈50.26548

Step-by-step explanation:

   πr2.

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7 0
2 years ago
Katy invests a total of $13,000 in two accounts paying 2% and 7% annual interest, respectively. How much was invested in each ac
kherson [118]

Answer:

2 % amount = 12000     7% amount = 1000 dollars

Step-by-step explanation:

x = 2% amount

 then  13 000 - x  = 7% amount

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-.05x + 910 = 310

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4 0
1 year ago
Not sure how I would solve this
Simora [160]
<h3>Answer:   -6/5</h3>

Explanation:

The blue diagonal line goes through the two points (0,2) and (5,-4). These are shown as the dark blue enlarged points. You can pick any other points you want that are on the diagonal line, though these are the easiest as they stand out the most.

Use the slope formula to find the slope through these points

m = (y2-y1)/(x2-x1)

m = (-4-2)/(5-0)

m = (-6)/(5)

m = -6/5

The negative slope means the line goes downhill as you move from left to right along the diagonal line.

7 0
3 years ago
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