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tester [92]
3 years ago
6

What is the value of x in the equation -6/7= -×/84?

Mathematics
2 answers:
dexar [7]3 years ago
6 0

Answer:

x=7.

Step-by-step explanation:

To solve this you just hace to clear x from the equation and multipliead the other part of the equation by -84:

\frac{-6}{7} =\frac{-x}{84} \\x=\frac{6*-84}{7} \\x=\frac{504}{7}\\ x= 72

So we know that the value of x in the equation will be 72,

pantera1 [17]3 years ago
4 0
-6/7 = -x/84

84/7 = 12

12(-6) = -72

x = -72

So, -6/7 = -72/84 because -72/84 simplifies to -6/7

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noname [10]
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Answer:

f(x)  = x² - 6x + 14

Step-by-step explanation:

Standard form is ax² + bx + c = 0 or f(x) = ax² + bx + c

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3 years ago
The distance, y, in miles, traveled by a car for a certain amount of time, x, in hours, is shown in the graph below: A graph tit
liberstina [14]

Answer:

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2 years ago
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svetlana [45]

Answer:

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Step-by-step explanation:

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8 0
2 years ago
A set of n = 25 pairs of scores (x and y values) has a pearson correlation of r = 0.80. how much of the variance for the y score
enot [183]

0.64 or 64% of the variance for the y scores is predicted by its relationship with x.

<h3>What is coefficient of determination?</h3>

The percentage of the variation in the dependent variable that can be predicted from the independent variable is known as the coefficient of determination, abbreviated R2 or r2, in statistics.

<h3>How to find the variance for the y scores?</h3>

given that

A set of n = 25 pairs of scores (x and y values) has a pearson correlation of r = 0.80.

now we have to find the variance for the y scores.

here, r=0.80 then {r}^{2}  = 0.64

which means 0.64 or 64% of the variance for the y scores is predicted by its relationship with x.

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Learn more about coefficient of determination,refer:

brainly.com/question/17485791

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