Solve the equation. Express radicals in simplest form.4z2 + 4 = 20
A. {-3, 3}
B. {-2, 2}
C. {10}
D. {2}
Answer: B
Mathematics
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Find all solutions of the equation in the interval [0, 2?). Round the solution to four decimal places.4 sec x + 9 = 0
A. {1.1102, 5.1729} B. {1.1102, 4.2518} C. {2.0313, 4.2518} D. {2.0313}
Mathematics
Simplify the expression.8 + 6(9t + 8)
A. 8t + 16 B. 6t + 56 C. 54t + 56 D. 6t + 16
Mathematics
Solve the problem.A paint mixture contains 46 gallons of base for every gallon of color. In 1786 gallons of paint, how many gallons of color are there?
A. 1748 gallons B. 893 gallons C. 595 gallons D. 38 gallons
Mathematics
Complete the table of values for the given equation.4x - 5y = -20
A. 10; 5; -5 B. 0; 5; -5 C. 10; -5; 5 D. 0; -5; 5
Mathematics