Find the least common denominator of the rational expressions.  and  

A. 50x3
B. 25x2
C. 50x
D. 50x2


Answer: D

Mathematics

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Find the ratio of net income after taxes to average owner's equity. Round to the nearest tenth of a percent.Owner's equity at beginning of year: $602,000. Owner's equity at end of year: $806,000. Net income after taxes: $93,500.

A. 11.6% B. 15.6% C. 13.3% D. 15.5%

Mathematics

Find the curvature of the curve r(t).r(t) = (3 + ln(sec t))i + (4 + t)k, -?/2 < t < ?/2

A. ? = sin t B. ? = 1 - cos t C. ? = -cos t D. ? = cos t

Mathematics

Solve the problem.A theatre sells two types of tickets to their plays; children's tickets and adult tickets. For today's performance they have sold a total of 1456 tickets. Also, they have sold 80 more adult tickets than children's tickets. How many adult tickets have they sold?

A. 768 B. 753 C. 766 D. 773

Mathematics

The size of the monthly repayment k that amortizes a loan of A dollars in N years at an interest rate of r per year, compounded monthly, on the unpaid balance is given by The value of r can be found by performing the iteration A family secured a loan of $360,000 from a bank to finance the purchase of a house. They have agreed to repay the loan in equal monthly installments of $2476 over 25 years. Find the interest rate on this loan. Round the rate to one decimal place.

What will be an ideal response?

Mathematics