Estimate. Choose a rounding digit that gives one or two nonzero digits.22 × 61
A. 1,200
B. 12
C. 2,400
D. 120
Answer: A
Mathematics
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Use your calculator to solve the problem.The length of a hypotenuse c of a right triangle with legs a and b of lengths a = 79mm and b = 42mm is given by c = 
. Calculate the length of the hypotenuse. (Round to an appropriate number of significant digits.)
A. 121mm B. 67mm C. 89.47mm D. 89mm
Mathematics
Find the perimeter of the geometric figure.
A. 12x2 + 4x + 31 B. 21x2 + 12x + 31 C. 24x2 + 8x + 62 D. 24x2 + 8x + 31
Mathematics
Graph the function.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A flat plate is located on a coordinate plane. The temperature of the plate, in degrees Fahrenheit, at point 
is given by 
Find the coordinates of the point on the plate where the temperature is minimal.
A. (3, 18)
B. 
C. 
D. (6, 18)
Mathematics