Estimate the result of the calculation. Use your estimate to determine if the result appears to be correct or incorrect.
A. Incorrect. Estimate: 2800
B. Correct. Estimate: 2600
C. Incorrect. Estimate: 2500
D. Incorrect. Estimate: 2700
Answer: B
Mathematics
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Determine whether the following is always true or not always true. Given reasons for your answers.u × v = -(v × u)
What will be an ideal response?
Mathematics
Find the triple scalar product (u x v) ? w of the given vectors.u = 2i - 4j + 3k; v = -5i - 8j + 10k; w = 8i - 7j + 5k
A. 777 B. 234 C. -87 D. -63
Mathematics
The letters x and y represent rectangular coordinates. Write the equation using polar coordinates (r, ?).x = -3
A. r cos ? = -3 B. r sin ? = -3 C. r cos ? = 3 D. r sin ? = 3
Mathematics
Each matrix is nonsingular. Find the inverse of the matrix. Be sure to check your answer.
A. 
B. 
C. 
D. 
Mathematics