Find the expected value of the probability density function to the nearest hundredth.f(x) = 
- 
; [2, 6]
A. 4.33
B. 5.00
C. 4.67
D. 4.00
Answer: C
Mathematics
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Perform the indicated operations. Write the resulting polynomial in standard form.(x - 7)(x2 + 7x + 49)
A. x2 + 49x - 343 B. x2 - 343 C. x3 - 343 D. x3 - 7x - 343
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Solve the linear system by using an inverse matrix.
A. {(-1, 2, 1)} B. {(2, 1, 6)} C. {(2, -1, 4)} D. ?
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Determine the slope and the y-intercept. Then graph the equation.x + y = 6
A. m = -1; y-intercept: (0, 6)
B. m = 1; y-intercept: (0, -6)
C. m = -1; y-intercept: (0, -6)
D. m = 1; y-intercept: (0, 6)
Mathematics
Complete the table by finding the simple interest earned. PrincipalRateTimeInterest earned$ 130008 %3 yrs.?
A. $31200 B. $312000 C. $3120 D. $31.2 E. $312
Mathematics