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kirill115 [55]
3 years ago
6

Charles scored 75% on a test and got six questions wrong. How many questions were on the test?

Mathematics
2 answers:
qwelly [4]3 years ago
6 0

Answer:

24 problems were on the test

Step-by-step explanation:

6/24 =1/4 =25%

18/24=3/4=75%

If (fail) test were 25% were6 problems wrong, and 25% is 3 times less than 75%, then 18 is 3x6=18 problems correct

ohaa [14]3 years ago
3 0

Answer:

24 question total

Step-by-step explanation:

\frac{0.25}{6}=\frac{1}{x}

im here to help :)

Red

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Can someone help me please this is due? ASAP
damaskus [11]

Answer:

x=12

Step-by-step explanation:

since they are supplementary they will have a sum of 180 degrees

The equation should look like this- (5x+4)+(4x+80)=180

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2 years ago
If f(x)=3x+2,find f(f^-1(14)).
lisov135 [29]

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<u>Step-by-step explanation:</u>

f(x) = 3x + 2

To find f⁻¹, swap the x's and y's and solve for y --> Note: f(x) is y

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\implies f^{-1}(14)=\dfrac{14-2}{3}

\implies f^{-1}(14)=\dfrac{12}{3}

\implies f^{-1}(14)=4

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NOTE: the simplified version is .... f and f⁻¹ cancel out, leaving you with 14

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3 years ago
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