Solve.On a road trip, Jackie and Meredith drove 397 miles through the United States and 144 kilometers through Canada. How many kilometers did they travel in total? Round your answer to the nearest hundredth if necessary.
A. 783.17 km
B. 541 km
C. 728.45 km
D. 486.28 km
Answer: A
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Solve.Let log b A = 3.152 and log b B = 0.308. Find log b AB.
A. 3.460 B. 2.844 C. 0.971 D. 10.234
Decide whether the equation is "conditional," an "identity," or a "contradiction." Give its solution set.3(4f - 12) = 12f - 36
A. Conditional; {all real numbers} B. Identity; {all real numbers} C. Identity; ? D. Contradiction; ?
Find the particular solution to the given differential equation that satisfies the given conditions.D2y + 8 Dy + 16y = 0; Dy = 2 and y = 5 when x = 0
A. y = (5 + 22x)e4x B. y = (5 - 22x)e-4x C. y = (5 + 22x)e-4x D. y = (c1 + c2x)e-4x
Solve the problem.If P dollars are invested at a simple interest rate r (in decimals), the amount A that will be available after t years is A = P + Prt. Determine the amount of money that was invested if $1888.70 resulted from a 1.5-year investment at 7.4%.
A. $1825.80 B. $188.70 C. $1700.00 D. $2044.59