Solve the problem by using two equations with two variables.Kelly is a partner in an Internet-based seed and garden supply business. The company offers a blend of exotic wildflower seeds for $105 per pound and a blend of common wildflower seeds for $30 per pound. Kelly is creating a medium-price product by mixing together 31 pounds of the more expensive blend with 8 pounds of the less expensive blend. What will be the price per pound for the new blend? (Round to the nearest cent, if necessary.)
A. $45.38 per pound
B. $25.89 per pound
C. $89.62 per pound
D. $13.11 per pound
Answer: C
Mathematics
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Solve the differential equation.y' + y = y2
A. 1 - Ce-x
B. 1 + Cex
C. 
D. 
Mathematics
Solve the problem.Let f(x) = cos x, g(x) = x - ?/4, and h(x) = 5x. Find h(f(g(?/4))).
A. -5 B. 0 C. 1 D. 5
Mathematics
Convert from cents to dollars.17,242ยข
A. $17.242 B. $1724.20 C. $172.42 D. $172,420.00
Mathematics
Solve the problem.When you were born, your uncle put $1000 into an investment account for you. The return on this money was rather consistent over the years, resulting in the pattern of growth depicted in the following graph.
In what year did your investment reach double the original amount?
A. At age 7. B. At age 9. C. At age 6. D. never
Mathematics