A value of sinh x or cosh x is given. Use the definitions and the identity 
to find the value of the other indicated hyperbolic function.cosh x = 
, x < 0, coth x =
A. 
B. - 
C. - 
D. - 
Answer: C
Mathematics
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In the circuit below, find IT in rectangular form if IR = 7 mA and IC = 9 mA.
a. 16 mA - j2 mA
b. 16 mA + j16 mA
c. 9 mA + j7 mA
d. 7 mA + j9 mA
e. -2 mA + j16 mA
Mathematics
Solve.A computer compiles a program in 5.347 × 10-6 seconds. Write this in decimal notation.
A. 0.0000005347 B. 0.00005347 C. -5,347,000 D. 0.000005347
Mathematics
Evaluate the exponential expression.(-4)2
A. -4 B. 4 C. -16 D. 16
Mathematics
Simplify the expression. First use the distributive property to remove any parentheses.-9(5r + 6) + 6(4r + 5)
A. -21r + 6 B. -99r C. -4r - 3 D. -21r - 24
Mathematics