Solve for y. 6 x + 2y = z
2 answers:
Answer:
Step-by-step explanation:
Isolate the variable, y. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS.
PEMDAS =
Parenthesis
Exponents & roots
Multiplication
Division
Addition
Subtraction
& is the order of operation.
First, subtract 6x from both sides:
6x (-6x) + 2y = z (-6x)
2y = z - 6x
Next, divide 2 from both sides:
(2y)/2 = (z - 6x)/2
y = (z - 6x)/2
y = (z/2) - 3x
is your answer.
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Answer:
71
Step-by-step explanation:
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The nearest x axis is at 0 or another name for 0 is 360
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Answer:
Step-by-step explanation:
Confidence interval for population mean is given by :-
(1)
, where = Sample mean
= Critical z-value
= Population standard deviation.
n= Sample size.
As per given , we have
n= 610
Significance level for 85% confidence :
By z-table critical two tailed z-value :
Put all values in (1) , we get
Hence, the 85% confidence interval for the mean consumption of meat among people over age 40. =