Use the principle of estimation to find an estimate for the calculation.353,565 + 59,998
A. 500,000
B. 600,000
C. 571,400,000
D. 400,000
Answer: A
Mathematics
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Find the moment or center of mass of the wire, as indicated.Find the moment about the y-axis of a wire of constant density that lies along the curve y = x2 from 
to
A. 
B. 
C. 
D. 2
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A. 
B. 
C. 
D. 
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Write the indicated term of the binomial expansion.(2x + 5)3; 3rd term
A. 750x B. 60x2 C. 375 D. 150x
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Solve the problem.If a rock falls from a height of 20 meters on Earth, the height H (in meters) after x seconds is approximately H(x) = 20 - 4.9x2.When does the rock strike the ground? Round to the nearest hundredth, if necessary.
A. 2.02 sec B. 4.08 sec C. 0.83 sec D. 0.91 sec
Mathematics