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zubka84 [21]
3 years ago
13

Complete the proofs .........

Mathematics
1 answer:
yKpoI14uk [10]3 years ago
7 0
Attached the solutions in pic. #2 90, #2 perpendicular lines

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If x varies directly as y and x=4 when y=6,find the value of x when y=12​
Over [174]

Answer:

10?

Step-by-step explanation:

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2 years ago
Describe and correct the error in solving the following rational equation , plz help!!!!!
aleksley [76]

First of all, x cannot ever equal -1 because if it does then in the original equation you'd be dividing by 0, which is not possible. anything divided by 0 is undefined.

I think the error was in the second step: x(x+1) = 2(x+1) because they didn't need to go from the first step to there. I'm assuming they multiplied both sides of the equation with (x+1) to get rid of the fraction, but since both sides have (x+1) as the denominator the (x+1) would've cancelled out instead of multiplying with the numerator.

Correction:

\frac{x}{x+1} = \frac{2}{x+1}\\(\frac{x+1}{1}) (\frac{x}{x+1}) = (\frac{2}{x+1})(\frac{x+1}{1}) \\x = 2

as u can see, in the second step of this correction, the (x+1)s on both sides cancel out so only the numerators remain.

Hope this helps!

5 0
2 years ago
25 times what is fifty?
masha68 [24]

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2

Step-by-step explanation:

4 0
3 years ago
Which scatterplot has a correlation coefficient closest to r= 1?
Ksju [112]

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-1

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in statistics, the correlation coefficient r measures the strength and direction of a linear relationship between two variables on a scatterplot. The value of r is always between +1 and –1. To interpret its value, see which of the following values your correlation r is closest to: Exactly –1.

hope this help

4 0
3 years ago
Read 2 more answers
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There are no values of x that make the inequality true
No solution.
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