Solve the equation
for x.
?
A. There is no solution.
B.
C. ?
D. ?
Answer: B
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Solve the equation in the interval [0°, 360°). Give solutions to the nearest tenth, if necessary.sin2? - sin ? - 12 = 0
A. {45°, 135°} B. {45°, 315°} C. {45°} D. ?
Solve the given equation by finding the unknown value.16 - ? = 13
A. 16 B. 3 C. 10 D. 1
Solve the problem.The gas mileage, m, of a compact car is a linear function of the speed, s, at which the car is driven, for For example, from the graph we see that the gas mileage for the compact car is 45 miles per gallon if the car is driven at a speed of
i) Using the two points on the graph, determine the function m(s) that can be used to approximate the graph.ii) Using the function from part i, estimate the gas mileage if the
compact car is traveling 44 mph. If necessary, round to the nearest tenth.iii) Using the function from part i, estimate the speed of the compact car if the gas mileage is 22 miles per gallon. If necessary, round to the nearest tenth.
A.
i) | m(s) = - ![]() |
iii) 91 mph
B.
i) | m(s) = ![]() |
iii) 86 mph
C.
i) | m(s) = - ![]() |
iii) 86 mph
D.
i) | m(s) = - ![]() |
iii) 86 mph
Use the distributive property to rewrite the algebraic expression without parentheses. Then simplify the result, if possible.- (7x - 21)
A. 6x B. -3x + 9 C. -3x - 9 D. 3x - 9