If a statistic used to estimate a parameter is such that the mean of its sampling distribution is equal to the actual value of t
1 answer:
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we are given
(x,y)=(5,-12)
so, x=5 and y=-12
now, we can find r
now, we can find cos
so, we get
...........Answer
Answer:
I'm here! This Problem is easy :) The answer is 4
Step-by-step explanation:
2x+10=5x−2
<em>Subtract </em>5x from both sides
2x+10−5x=−2
<em>Combine</em> 2x and −5x to get −3x.
−3x+10=−2
Subtract 10 from <em>both sides.</em>
−3x=−12
<em>Divide</em> both sides by −3.
Divide −12 by −3 to get 4.
x = 4 (D)