3 years ago

92-56/14-x=100 Please answer fast

Mathematics

1 answer:

Lisa [10]3 years ago

3 0

I got x=-12.

Hope this helps :)

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2 years ago

Is the point (2,8) a solution of the equation y = 13x + 12? O Yes O No

vovikov84 [41]

Answer:

O No

Explanation:

Given equation: y = 13x + 12

To check if (2, 8) is a solution of the given equation.

Substitute x and y value in equation and check if it is true.

$\rightarrow y = 13x+12$

(x, y) = (2, 8)

$\rightarrow 8 = 13(2)+12$

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1 year ago

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3 years ago

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bonufazy [111]

Answer:

The Ranking Percentile is (B) 97.5%

Explanation :

To find the percentile rank we need to find the z- score. After finding the z-score match this value with the corresponding value in z-score table.

Formula to find the z-score

Z-score= $\frac{\text { scored obtained - mean }(\mu)}{\text { standard deviation }(\sigma)}$

Substituting the values in the above equation, we find

Z-score= $\frac{(694-490)}{102}$ =2

So, the Z-score is +2

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or the percentile score is 97.72 ~ 97.5 .

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3 years ago