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ValentinkaMS [17]
2 years ago
15

HELPPPPPPPPPPPPPPPPPP

Mathematics
2 answers:
ANEK [815]2 years ago
3 0

Answer:

23 or 22....

Step-by-step explanation:

because he got 3 questions wrong sooooo yeah... ya✋

Gala2k [10]2 years ago
3 0

Answer:

The student had a total of 25 questions on his test.

Step-by-step explanation:

Given that:

Number of questions answered correctly in the test = 20

Percentage scored in the test = 80%

Let,

x be the total number of questions on test.

We know that 80% of the test is 20 questions, therefore,

80% of x = 20

\frac{80}{100}x=20\\0.8x=20

Dividing both sides by 0.8

\frac{0.8x}{0.8}=\frac{20}{0.8}\\x=25

Hence,

The student had a total of 25 questions on his test.

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3 years ago
Which expression best represents the difference between triple a number and double a number?
ioda
C. x³ - x²

In word problems, there terms which indicate the mathematical operation that needs to be performed.

difference = refers to the answer in subtraction
triple a number or double a number refers to the number of times a number is multiplied by itself.

in triple a number = a number is multiplied by itself three times.
in double a number = a number is multiplied by itself two times.

It would initially look like this: (x * x * x) - (x * x); to simplify the expression, a number to be multiplied is written down and the number of times it will multiply by itself is noted on the upper right side of the number when we look at it.

Thus: x³ - x² is the correct expression that best describes the word problem above.
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3 years ago
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I need this answered
VashaNatasha [74]

Answer:

-3.25 Didn't see the whole paper so correct me if I'm wrong.

Step-by-step explanation:

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+1.25+0.5=-3.25

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3 years ago
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<span>{x | x < 0} and {x | x > 0}</span>
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Answer:

They both have the #5 and they both have 3 #'s that are prime?

Step-by-step explanation:

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