Solve the problem.Suppose the number of items a new worker on an assembly line produces daily after t days on the job is given by 25 + 2t. Find the average number of items produced daily in the first 20 days.
A. 900
B. 48
C. 40
D. 45
Answer: D
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Factor the polynomial completely. If the polynomial cannot be factored, write "prime."192 - 3x2
A. 3(8 + x)(8 - x) B. 3(x - 8)2 C. 3(x + 8)(x - 8) D. Prime
Estimate the sum or difference by first rounding each value to the indicated place value. Then find the actual sum or difference.7.124 + (-4.006)
round each to the nearest one
A. Estimate: 4; Actual: 3.128 B. Estimate: 3; Actual: 3.218 C. Estimate: 4; Actual: 3.118 D. Estimate: 3; Actual: 3.118
Perform the operations. (-2yn - 3y + 4n) + (-5yn + 3y - 7n) - (5yn + 9y + 5n)
A. -2yn - 15y + 6n B. -2yn + 9y + 2n C. -8yn - 3y - 16n D. -12yn - 9y - 8n
Solve the problem.A marketing company wishes to conduct a $15,000,000 advertising campaign in three media-radio, television, and newspaper. The company wants to spend twice as much money in television advertising as in radio and newspaper advertising combined. Also, the company wants to spend a total of $13,000,000 in radio and television combined. Let x, y and z represent the amount in millions of dollars spent in radio, television, and newspaper respectively. How much should the company spend in each medium? (Express the problem in terms of a system of linear equations and solve it using Gaussian elimination.)
What will be an ideal response?