Let L1 and L2 be two nonvertical straight lines in the plane with equations y=m1x+b1 and y=m2x+b2, respectively. Find conditions on m1, m2,b1 and b2 so that L1 and L2 intersect at one and only one point.
Mathematics
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Evaluate the cylindrical coordinate integral.
A. 112 B. 56? C. 168 D. 168?
Mathematics
Evaluate.C(12, 6)
A. 665,280 B. 1848 C. 924 D. 462
Mathematics
Solve. Use ? ? 3.14. Round to the nearest tenth unless otherwise directed.For Valentine's Day, a company makes decorative cylinder-shaped canisters and fills them with red hot candies. They want to make 100 canisters and need to determine how much candy to buy. If the canisters are 16 in. in diameter and 2 in. tall, what is the total number of cubic inches that will be filled with candy?
A. 40,192 in.3 B. 401.9 in.3 C. 160,768 in.3 D. 20,096 in.3
Mathematics
Add the polynomials. Assume all variable exponents represent whole numbers.(-4x2y - xy) + (8x2y + 7xy)
A. 12x2y + 6xy B. 4x2y + 8xy C. 12x2y + 8xy D. 4x2y + 6xy
Mathematics