Simplify.
- 
+ 
- 
A. 
B. 
C. - 
D. 
Answer: D
Mathematics
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Use the dot product to determine whether the vectors are parallel, orthogonal, or neither.v = 4i, w = -3i
A. orthogonal B. parallel C. neither
Mathematics
Solve the number problem by finding the value of the unknown number.Three times the sum of a number and 2 is 30 less than the number times 7.
A. 36 B. -36 C. -9 D. 9
Mathematics
Add.
A. 279.508 B. 279.498 C. 279.608 D. 279.598
Mathematics
A probability distribution has a mean of 45 and a standard deviation of 1. Use Chebychev's inequality to estimate the probability that an outcome of the experiment lies between 43 and 47.
a. At least 0.04 b. At least 0.25 c. At least 0.75 d. At least 0.5 e. At least 0.8
Mathematics