Evaluate the integral using the given substitution.
dx, u = 10x2
A. 
sin (10x2) + C
B. sin(10x2) + C
C. 
sin (10x2) + C
D. 
sin (u) + C
Answer: A
Mathematics
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Complete.28 yd = 
in.
A. 9
B. 336
C. 84
D. 1008
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Find the value of r and determine if a correlation exists at the indicated level of significance.
?? = 0.05
A. r = 0.9717; Correlation exists. B. r = 0.9717; Correlation does not exist. C. r = 0.9172; Correlation exists. D. r = -0.9717; Correlation exists.
Mathematics
Approximate the square root to the nearest whole number.
A. 7 B. 10 C. 8 D. 9
Mathematics
Decompose v into two vectors v1 and v2, where v1 is parallel to w and v2 is orthogonal to w.v = i + 4j, w = -3i + j
A. v1 = 
(-3i + j), v2 = 
i + 
j
B. v1 = 
(-3i + j), v2 = 
i + 
j
C. v1 = 
(-3i + j), v2 = - 
i + 
j
D. v1 = 
(-3i + j), v2 = 
i + 
j
Mathematics