Solve the problem.If a spring stretches 0.4 m when a 6-kg weight is attached to it, how much will it stretch when a 21-kg weight is attached to it?
A. 4.4 m
B. 3.4 m
C. 0.4 m
D. 1.4 m
Answer: D
Mathematics
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Write the mixed number as a decimal.-3
A. -3.
B. -3.3
C. -3.
D. -3.35
Mathematics
Expand the expression using the Binomial Theorem.(x3 + 5y2)4
A. x6 + 20x5y2 + 150x6y4 + 500x3y5 + 625y6 B. x12 + 20x9y2 + 150x6y4 + 500x3y6 + 625y8 C. x12 + 15x9y2 + 150x6y4 + 375x3y6 + 625y8 D. x12 + 20x9y6 + 150x6y4 + 500x3y2 + 625y8
Mathematics
Rewrite the inequality using interval notation. Then graph the inequality.2 < x < 6
A. (2, 6]
B. [2, 6]
C. (2, 6)
D. [2, 6)
Mathematics
The figure shows the graphs of the cost and revenue functions for a company that manufactures and sells binoculars. Use the information in the figure to answer the question.
What is the profit when 998 binoculars are produced?
A. $496 B. $3496 C. $5492 D. $2492
Mathematics