Multiply.4(16v)
A. 20v
B. 64v
C. 64 + v
D. 64 + 4v
Answer: B
Mathematics
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Find a polar equation for the circle.(x - 5)2 + y2 = 25
A. r = 10 sin ? B. r = - 10 cos ? C. r = 10 cos ? D. r = 5 cos ?
Mathematics
Write the system of linear equations that the augmented matrix represents.
A.
| 5x | - 2y | = -2 |
| 6x | - 8y | = 8 |
B.
| -2x | + 5y | = -2 |
| 6x | - 8y | = 8 |
C.
| 5x | - 2y | = -2 |
| -8x | + 6y | = 8 |
D.
| 5x | - 2y | = 2 |
| 6x | - 8y | = -8 |
Mathematics
Some mathematics professors would like to purchase a $200 microwave oven for the department workroom. If 8 of the professors don't contribute, everyone's share will increase by $80. How many professors are in the department?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Factor completely. If unfactorable, indicate that the polynomial is prime.x4 - 24x2 - 25
A. (x - 5)2(x2 + 1) B. (x + 5)(x - 5)(x + 1)(x - 1) C. (x + 5)(x - 5)(x2 + 1) D. (x2 - 25)(x2 + 1)
Mathematics