Solve.Sally needs to determine the distance at certain points across a lake. Her crew and she are able to measure the distances shown on the diagram below. Find how wide the lake is to the nearest tenth of a meter.
A. 80 m
B. 132.7 m
C. 165.5 m
D. 8.9 m
Answer: B
Mathematics
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Solve and check your answer.x + 7 = 15
A. 8 B. 9 C. 10 D. 7
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Convert the matrix of observations to mean-deviation form, and construct the sample covariance matrix.
A.
S = 
B.
S = 
C.
S = 
D.
S = 
Mathematics
Find all values that make the rational expression undefined. If the rational expression is defined for all real numbers, so state.
A. x = 
, x = - 
B. x = 9
C. x = 36
D. Defined for all real numbers
Mathematics
Determine which value(s), if any, must be excluded from the domain of the variable in the expression.
A. x = 0, x = 7, x = -6, x = 10 B. x = 0, x = -2 C. x = -6, x = 10 D. x = -2
Mathematics