Solve the equation. First simplify the expression by combining like terms.4(2z - 5) = 7(z + 5)
A. -15
B. 19
C. 15
D. 55
Answer: D
Mathematics
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Find the indicated root of the given equation by using Newton's method.2x4 - 3x2 - 7x + 1 = 0 (the larger positive root)
A. 1.8111272 B. 1.8111097 C. 1.8111020 D. 1.8111239
Mathematics
Factor, if possible.x2 + 3xy - 10y2
A. (x - 5y)(x + 2y) B. (x + 5y)(x - 2y) C. (x - 5y)(x + y) D. (x - y)(x + 2y)
Mathematics
Find the power of i.69 + 10i2
A. 79 B. 69 + 10i C. 59 D. 69 - 10i
Mathematics
Write as a percent.0.4
A. 40% B. 400% C. 0.04% D. 0.4%
Mathematics