What property of multiplication is illustrated in the diagram below?
A. Associative property
B. Distributive property
C. Commutative property
D. Multiplicative-identity property
Answer: C
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Simplify the expression. [-4m + (-10m - 6)] - [(10m + (1 - 6m)) + 4m]
A. -14m - 5 B. -6m - 5 C. -22m - 7 D. -14m + 7
Solve.Anita receives a promotional offer from a long-distance phone company of $0.05 per minute for long-distance calls. If she spends between $10 and $35 on long distance calls in the first month, the offer will be extended by an extra month. If she spends more than $35 in the first month, the offer will be extended by an additional two months. For what range of minutes must Anita use long distance in the first month, if the offer is to be extended by an extra month?
A. At least 200 min B. Between 200 min and 900 min C. Between 200 min and 700 min D. Between 100 min and 700 min
Determine whether the function is a solution of the wave equation.w = e10ct cos 10x
A. Yes B. No
Solve the problem by using three variables.A croissant, a cup of coffee, and a fruit bowl from Kelley's Coffee Cart cost a total of $5.50, and a croissant costs twice as much as a cup of coffee. Kelley posts a notice announcing that, effective next week, the price of a croissant will go up 10% and the price of coffee will go up 10%. After the increase, the total price of the purchase will be $5.73. Find the cost of each item before the increase.
A. A fruit bowl costs $3.25, a croissant costs $1.50, and a cup of coffee costs $0.75. B. A fruit bowl costs $3.25, a croissant costs $0.83, and a cup of coffee costs $1.65. C. A fruit bowl costs $3.25, a croissant costs $1.65, and a cup of coffee costs $0.83. D. The prices cannot be determined from the given information.