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fomenos
3 years ago
14

Carisa predicted she answered 9 questions correctly out of 10 on a test. She actually got 8 answers correct. By what percent was

Carisa​'s prediction​ off?
Mathematics
1 answer:
iren [92.7K]3 years ago
7 0
The prediction was 10% off
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Answerrr? Please I need help
nadezda [96]

Answer:

21

Step-by-step explanation:

f^{3} + 11g - 4h

f = 3, g = 2 and h = 7.

Substitute the above values into the expression.

3^{3} + 11 × 2 - 4 × 7

Since there's no addition, subtraction or division signs between 11g and 4h, this basically shows that it is multiplied. Simplify further...

3^{3} is 3×3×3 which equals to 27

11 × 2 equals to 22, and

-4 × 7 = -28

Put all these found values into an expression.

27 + 22 - 28

Use the B.O.D.M.A.S. rule. First we have to add then subtract.

(27 + 22) - 28

49 - 28 = 21

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2 years ago
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He got two correct and two wrong.
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2 years ago
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AB≅BC≅CD≅DE, AD = 8x - 4, AB = x + 2 solve for AB
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Just solve for , then substitute back into either expression and calculate either BC or AD. The other one is then the same amount.


The one about the square is the same thing except you don't care how the figure is named because all 4 sides are equal anyway. Just set the two expressions equal to one another and then solve for  



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What’s the answer to the product of 12 and k is 84
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Answer:

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Step-by-step explanation:

You would do the inverse opperation (divide) so 84/12.

Hope this helps :)

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Answer:

4 weeks

Step-by-step explanation:

18 plus 42 (42 because that's four weeks) it equals 60

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