Answer:
d = 4
Step 1: Flip the equation.
Step 2: Add 7 to both sides.
Step 3: Divide both sides by 12.
The sample mean is an estimate of the population mean.
The sample mean is exactly equal to the population mean
<h3>How to determine the true statement</h3>
When the population mean is known; the value of the population mean can be used as the sample mean.
This is so because:
The sample mean is an estimate of the population mean.
And it is represented as:
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Hence, the true statement is that the sample mean is exactly equal to the population mean
Read more about sample mean at:
brainly.com/question/12892403
Answer:
50.528º
Step-by-step explanation:
tanA = BC/BA
tanA = 17/14
A = 50.528º
Answer:
43y
Step-by-step explanation:
31y+12y
combine like terms
Factor out y
y( 31+12)
y (43)
43y