Solve using Cramer's rule, if possible. If it is not possible, state whether the system is inconsistent or has infinitely many solutions.
A. (0, 0)
B. Inconsistent
C. Infinitely many solutions
D. (5, 0)
Answer: C
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Convert the angle given in radian measure into degrees. Round to two decimal places if needed.
radians
A. 1° B. 45?° C. 4° D. 45°
Translate the sentence to an algebraic inequality.The number of people at a concert is not to exceed 2718.
A. x ? 2718 B. x ? 2718 C. x < 2718 D. x > 2718
Solve the equation. Identify the equation as an identity, an inconsistent equation, or a conditional equation.
= x
A. Identity, {all real numbers}
B. Identity, {x
}
C. Inconsistent, ?
D. Conditional, {12}
Solve the problem.Suppose that the speed of a car, measured in miles per hour (mph), is monitored for some short period of time after the driver applies the brakes. The following table relates the speed of the car to the amount of time, measured in seconds (sec), elapsed from the moment that the brakes are applied. Make a scatter diagram of the data. What is happening to the speed of the car during this time frame?
A. The speed of the car
decreased as time elapsed.
B. The speed of the car
decreased as time elapsed.
C. The speed of the car
increased as time elapsed.
D. The speed of the car
increased as time elapsed.