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natka813 [3]
3 years ago
8

a math test has 25 questions on it if a student incorrectly answers 5 questions on the test what percentage of problems are corr

ect
Mathematics
1 answer:
ikadub [295]3 years ago
7 0

The student would get an 80%.

Since 5 is 20% of 25, subtract 20 from 100 and you get 80%

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P is the set of natural numbers that are less than 12
Damm [24]

Answer:

{ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 }

Step-by-step explanation:

As per the definition, a natural number is a counting number (non-fractional number) that is greater than zero, but not equal to zero.

A set of natural numbers below 12 (but not including 12, because such isn't specified) would henceforth be;

{ 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11 }

4 0
3 years ago
Eight plus the quotient of a number and 3 is -2
Alex17521 [72]
8+(x\3)=-2 is the answer
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3 years ago
7x^2=63<br><br> solve for x<br> please show work
o-na [289]

Answer:

x = ±3

Step-by-step explanation:

Step 1: Write equation

7x² = 63

Step 2: Solve for <em>x</em>

  1. Divide both sides by 7: x² = 9
  2. Square root both sides: x = ±3

Step 3: Check

<em>Plug in x to verify it's a solution.</em>

7(3)² = 63

7(9) = 63

63 = 63

7(-3)² = 63

7(9) = 63

63 = 63

3 0
3 years ago
Marco. Need to buy some cat food at the nearest store three bags of cat food cost $15.75 how much with Marcos me on five bags of
11Alexandr11 [23.1K]

Answer:

$26.25

Step-by-step explanation:

We are told that Marco needs to buy some cat food. At the nearest store, 3 bags of cat food cost $15.75.  

First of all we will find cost of 1 bag of cat food by dividing 15.75 by 3.

   

 

Now we will find the amount that Marco has spend for 5 bags of cat food by multiplying 5.25 by 5.  

Therefore, Marco has spend $26.25 for purchasing 5 bags of cat food.    

5 0
2 years ago
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3 years ago
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