Answer the question about percent. Round to the nearest whole number where necessary.45% of what number is 71?

A. 100
B. 1580
C. 1
D. 158


Answer: D

Mathematics

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Solve the problem.The current in a simple electrical circuit is given by I = V/R, where I is the current in amperes, V is the voltage in volts, and R is the resistance in ohms. When V = 12 volts, what is a 12? resistor's tolerance for the current to be within 1 ± 0.01 amp?

A. 0.01% B. 0.1% C. 10% D. 1%

Mathematics

Write the number in standard form.One millimeter is equal to 1 × 10-6 kilometers.

A. 1,000,000 B. 0.00001 C. 0.000001 D. 0.0000001

Mathematics

Find an equation of the line with the given slope and containing the given point. Express your answer in slope-intercept form.m = 4, (0, 0)

A. y = 4
B. x = 4
C. y = 4x
D. y = x

Mathematics

Find the power function that the graph of f resembles for large values of |x|.f(x) = (x + 6)2

A. y = x6 B. y = x12 C. y = x2 D. y = x36

Mathematics