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nikdorinn [45]
4 years ago
7

A ball's position, in meters, as it travels every second is represented by the position function s(t) = 4.9t^2+ 550. What is the

velocity of the ball after 3 seconds?
I think the answer is -20.6 ft./sec. Just looking for confirmation. 
Mathematics
1 answer:
Drupady [299]4 years ago
4 0
Yes it is -20.6ft./sec
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When a number is decreased by 16% of itself the result is 159.6. What is the number?
Rufina [12.5K]

Hey there! I'm happy to help!

Let's call this number n. Here is the info we can write about it. Remember that to write as a percent as a decimal you divide by 100.

n-0.16n=159.6

We combine like terms.

0.84n=159.6

We divide both sides by 0.84

n=190

Have a wonderful day! :D

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3 years ago
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Step-by-step explanation

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Answer:

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There are five sales agents in a certain real estate office. One month Andy sold twice as many properties as Ellen, Bob sold 3 m
Novosadov [1.4K]

Answer:

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Here let’s take any arbitrary value for the number of properties sold by Ellen.

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lorasvet [3.4K]
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But we want to find 4+
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We also want to find all odd possibilities.
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As you can see, there is a 5 in both the 4+ and the odd numbers so 5 will only be counted once.
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3 years ago
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