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pychu [463]
3 years ago
13

Excerpt from a school newspaper:

Mathematics
2 answers:
maria [59]3 years ago
6 0

Answer:

A


Step-by-step explanation:

  • During 2008-2009 session, 20% of students were in A-B Honor Roll.
  • During 2009-2010, 200 out of 1000 students were in A-B Honor Roll. What's that in percentage? We divide 200 by 1000 and then multiply by 100:

\frac{200}{1000}=0.2*100=20

So, that's also 20%. That's the same as 2008-2009 session, so the principal is wronged!


Option A is correct: "<em><u>A) There was no change in the number of students on honor roll from one year to the next."</u></em>

Anika [276]3 years ago
5 0
A) There was no change in the number of students on honor roll from one year to the next. This is noticeable because 200/1000 = .2 just as 20%/100% = .2 or 20/100 = .2. So there never was a change! 
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motikmotik

Step-by-step explanation:

o2+a2=h2

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A volleyball reaches its maximum of 13 feet, 3 seconds after it is served. What quadratic formula could model the height of the
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Answer:

H=-(t-3)^2+13

Step-by-step explanation:

The path covered by the volleyball will be a downward parabola with the vertex being the highest point of the ball.

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H=-a(t-3)^2+13

Now, taking a = 1. So, the formula that can be used is:

H=-(t-3)^2+13

7 0
3 years ago
-What is the future value of a $1,000 annuity payment over five years if interest rates are 9 percent?
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Answer:

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Step-by-step explanation:

6 0
3 years ago
Greatest common factor for 32-4x
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Answer:

 

4

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