Solve.A rubber ice-hockey puck has a 3.1 inch diameter. What is the area of its circular surface? Use 3.14 for ?. Round to the nearest tenth, if necessary.
A. 9.7 sq in.
B. 7.5 sq in.
C. 3.8 sq in.
D. 30.2 sq in.
Answer: B
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Use front-end rounding to round each number. Then, multiply the rounded numbers to get an estimated answer. Finally, find the exact answer.estimateexact?
A. Estimate: 160; exact: 172.7508 B. Estimate: 16; exact: 17.27508 C. Estimate: 160; exact: 1727.508 D. Estimate: 1.6; exact: 1.727508
Solve the problem.The table below shows a recipe to make 1 or 2 servings of hot chocolate. Servings To make 5 servings, how much of each ingredient would you use?
A. hot chocolate = 8 Tbs; water = 7
cups; vanilla = 1
tsp
B. hot chocolate = 7 Tbs; water = 6
cups; vanilla = 2
tsp
C. hot chocolate = 7 Tbs; water = 6
cups; vanilla = 1
tsp
D. hot chocolate = 7 Tbs; water = 7
cups; vanilla = 1
tsp
Answer the question or provide an explanation.Which of the following is not a correct answer when the formula is solved for h?
?
?3
A.
B.
C.
D. 3
Solve the system of equations.
A. (-5, -4, -1) B. (-1, -4, -5) C. (-5, -1, -4) D. No solution