Solve using Cramer's rule.-3x - 3y - z = -49 x - 9y + 6z = -51 9x + y + z = 67
A. (7, 7, 4)
B. (6, 9, 4)
C. (9, 4, 9)
D. (6, -9, -4)
Answer: B
Mathematics
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Find the formula and limit as requested.For the function f(x) = 10 - 3x2 , find a formula for the lower sum obtained by dividing the interval [0, 1] into n equal subintervals. Then take the limit as n?? to calculate the area under the curve over [0, 1].
A. 10 - 
; Area = 9
B. 10 - 
; Area = 9
C. 10 + 
; Area = 11
D. 
; Area = 1
Mathematics
Perform the indicated operation. Assume that all variables are nonnegative.(
+ 4)(
- 4)
A. -6
B. 26
C. 6
D. 10 - 2
Mathematics
Provide an appropriate response.If $4,200 is invested at an annual rate of 5.4% compounded monthly for 10 years, find the compound amount.
What will be an ideal response?
Mathematics
Give the meaning of the metric prefix.deka
A. 
B. 
C. 10
D. 100
Mathematics