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exis [7]
3 years ago
15

M∠cda=11, what is m∠cba

Mathematics
1 answer:
melisa1 [442]3 years ago
4 0

Answer:

picture po mero po ba kayong pic nyan

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Larry bought 4 lemonades for his friends.Each lemonades cost $1.28.Complete the table to show the prices of 2,3,and 4 lemonades
pogonyaev
2 drinks-$2.56
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3 years ago
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Sandra's scores on the first 4 tests were 87%, 92%, 76%,and 89%. What is the minimum score she needs to make on the fifth test s
sergejj [24]

Answer:

Sandra need to score at least <u>56%</u> in her fifth test so that her average is 80%.

Step-by-step explanation:

Given:

First 4 test scores = 87%, 92%, 76%,89%

Average targeted = 80%

We need to find the minimum score she needs to make on fifth test to achieve average of at least 80%.

Solution:

Let the minimum score she needs to make in fifth test be 'x'.

Total number of test = 5

Now we know that;

Average is equal to sum of all the scores in the test divided by number of test.

framing in equation form we get;

\frac{87+92+76+89+x}{5}=80

Multiplying both side by 5 we get;

\frac{344+x}{5}\times 5=80\times 5\\\\344+x=400

Subtracting both side by 344 we get;

344+x-344=400-344\\\\x=56\%

Hence Sandra need to score at least <u>56%</u> in her fifth test so that her average is 80%.

5 0
3 years ago
II.) Simplify the following by applying the laws of indices.
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Write down the 5th term in the sequence given by t(n) = n^2 +2n
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So it our equation would be t(5)=5^2+2(5)
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3 years ago
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Which two statements contradict each other?
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