Perform the indicated operations and simplify the result. Leave the answer in factored form.
+ 
A.
B.
C.
D.
Answer: D
Mathematics
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Verify that the given equation is an identity.tanh2x = 1 - sech2x
What will be an ideal response?
Mathematics
Write the vector v in the form ai + bj, given its magnitude and the angle ? it makes with the positive x-axis.
= 3, ? = 45°
A. v = i +
j
B. v = i +
j
C. v = - i -
j
D. v = i +
j
Mathematics
Write the sentence as an equation.The difference of -54 and 21 is -75.
A. -54 - 21 = -75 B. -54 - 21 = 75 C. 54 - 21 = 75 D. 54 + 21 = 75
Mathematics
Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation.(3z + 10)(3z - 1) > 0
A. ?
B.
C.
D.
Mathematics