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Paha777 [63]
3 years ago
6

Please tell me how to do number 1 !! I dont need the answer i just need help

Mathematics
1 answer:
AlexFokin [52]3 years ago
3 0
The answer is A because -47-27 is -111
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Find the equation of the line that passes through the point left (-9,12) and is perpendicular to the line y=3/2x-1/2. Write the
ohaa [14]

Answer:

The answer to your question is: y = -2/3 x + 18

Step-by-step explanation:

Data

Point = (-9, 12)

line   y = 3/2x -1/2     perpendicular

Process

The line must be perpendicular to the line given. Then,

slope is the line given = 3/2, we change it because the lines must be perpendicular ,

New slope         M =  -2/3

New line       y-y1 = m(x - x1)

                     y - 12 = -2/3 (x + 9)             Substitution

                   3( y - 12) = -2(x + 9)

                   3y - 36 = -2x - 18                 Simplify

                   3y = -2x - 18 + 36

                   3y = -2x + 18

                      y = -2/3 x+ 18                      Result

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An adult house cat could be about ____ high. A. 1 inch B. 1 foot C. 4 inches D. 4 feet
sladkih [1.3K]
The answer is B. 1 foot
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Why are unbiased estimators preferred over biased estimators?
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Answer:

Generally an unbiased statistic is preferred over a biased statistic. This is because there is a long run tendency of the biased statistic to under/over estimate the true value of the population parameter. Unbiasedness does not guarantee that an estimator will be close to the population parameter.

Step-by-step explanation:

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Find the slope of a line that passes through points (-1,-5) and (6,9).
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Answer:

{ \rm{slope =  \frac{y _{2} - y _{1} }{x _{2} - x _{1}  } }} \\  \\ { \rm{slope =  \frac{9 - ( - 5)}{6 - ( - 1)} }} \\  \\ { \rm{slope =  \frac{14}{7} }} \\  \\ { \boxed{ \rm{ \:  \: slope = 2 \:  \: }}}

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7.9168 x 10^8
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