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sveticcg [70]
4 years ago
9

13 POINTS!! The teacher in Lizzie Gunderson's drama class assigns weights to students' performances. Fifty percent for script me

morization, 20% for acting skill, 20% for quiz results, and 10% for attitude. What is Lizzie's average grade if she earned 90% in script memorization, 85% in acting skill, 75% in quiz results and 100% in attitude? Express your answer as a whole percent.
Mathematics
1 answer:
Anit [1.1K]4 years ago
5 0
I think this is right, her average grade is 85%
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Simon has more money than Kande. if Simon gave Kande K20, they would have the same amount. While if Kande gave Simon $22, Simon
motikmotik

Given parameters;

  Let us solve this problem step by step;

Let us represent Simon's money by S

Kande's money by K

  • Simon has more money than Kande

               S > K

  •  if Simon gave Kande K20, they would have the same amount;

 if Simon gives $20, his money will be  S - 20 lesser;

      When Kande receives $20, his money will increase to K + 20

                     S - 20  = K + 20   ------ (i)

  • While if Kande gave Simon $22, Simon would then have twice as much as Kande;

          if Kande gave Simon $22, his money will be K - 22

    Simon's money, S + 22;

                  S + 22  = 2(K - 22)    ------ (ii)

Now we have set up two equations, let us solve;

         S - 20  = K + 20  ---- i

         S + 22  = 2(K - 22)  ;       S + 22  = 2K - 44  ---- ii

So,      S - 20  = K + 20

          S + 22  = 2K - 44

subtract both equations;

               -20 - 22  = (k -2k)  + 64

                   -42  = -k + 64

                       k  = 106

Using equation i, let us find S;

            S - 20 = K + 20

             S - 20  = 106 + 20

              S = 106 + 20 + 20  = 146

Therefore, Kande has $106 and Simon has $146

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3 years ago
A satellite is orbiting the Earth at the rate of 25 kilometers per minute. How far will it travel in two hours? a. 3000 kilomete
topjm [15]
3000 kilometers
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3 years ago
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elixir [45]
The answer is 3.4 to your question
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3 years ago
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kramer

Answer:

6/12,  2/4,

Step-by-step explanation:

6/12 because half of 12 is 6.

2/4 because half of 4 is 2.

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3 years ago
This question is easy, but the person who answers this gets 100 points! Be fast!
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Answer:

B. 400

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