Using Heron’s Formula, find the area of the triangle below. Round the answer to one decimal place.
(a) 31.5 cm²
(b) 17.5 cm²
(c) 17.4 cm²
(d) 22.5 cm²
(c) 17.4 cm²
Mathematics
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Solve the system of equations by Gaussian elimination. If there is an unlimited number of solutions, find two of them. 2x + y = -1 4x + 2y = -2
A. Inconsistent B. x = -5, y =-2 C. x = 2, y = -5 D. x = -5, y = 2
Mathematics
Simplify the exponential expression.(-2x)5
A. -10x5 B. -32x5 C. -32x D. -10x
Mathematics
Find the mean measurement for the set of measurements.6.643 mm, 6.642 mm, 6.652 mm, 6.642 mm, 2.718282 mm
A. 6.300 mm B. 0.665 mm C. 6.646 mm D. 33.228 mm E. 6.606 mm
Mathematics
Calculate the expected value of X for the given probability distribution:
x-5-102510
0.10.10.10.10.10.5?
Round your answer to two decimal places if necessary.
?
A. 
B. 
C. 
D. 
E. 
Mathematics