Solve the equation by multiplying by a power of 10.1.4q - 6.3q + 1.2 = -42.9
A. {7.2}
B. {7.0}
C. {-49}
D. {9}
Answer: D
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Write an equation that models the described quantity. Specify what each variable represents.A barrel contains 300 gallons of water and is being filled at a rate of 2 gallons per minute.
A. t = 300g- 2, where g represents gallons of water and t represents time in minutes B. g = 2t - 300, where g represents gallons of water and t represents time in minutes C. t = 300g+ 2, where g represents gallons of water and t represents time in minutes D. g = 2t + 300, where g represents gallons of water and t represents time in minutes
Use a calculator to solve the equation on the interval [0, 2?). Round the answer to two decimal places.tan x = 4.5
A. 1.35, 1.79 B. 1.35, 4.93 C. 1.35, 4.49 D. 1.35, 2.92
Write a system of linear equations in three variables, and then use matrices to solve the system.The table below shows the number of birds for three selected years after an endangered species protection program was started.
Use the quadratic function y = ax2 + bx + c to model the data. Solve the system of linear equations involving a, b, and c using matrices. Find the equation that models the data.
A. y = 6x2 + 24x + 20 B. y = 7x2 - 12x + 28 C. y = 5x2 + 12x + 25 D. y = 10x2 - 36x + 21
Find the prime factorization of the number. Write the answer with exponents when repeated factors appear.154
A. 2 ? 7 ? 11 B. 72 ? 2 C. 14 ? 11 D. 22 ? 11