Solve the problem.The number of cows that can graze on a ranch is approximated by C(x,y) = 9x + 5y - 4, where x is the number of acres of grass and y the number of acres of alfalfa. If the ranch has 45 acres of alfalfa and 5 acres of grass, how many cows may graze?
A. 430 cows
B. 270 cows
C. 266 cows
D. 426 cows
Answer: C
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Compute the compound interest.How long will it take for $9800 to grow to $46,200 at an interest rate of 4.6% if the interest is compounded continuously? Round the number of years to the nearest hundredth.
A. 4.6 yr B. 33.71 yr C. 3.37 yr D. 3370.86 yr
Solve the problem.A rectangular sheet of perimeter 30 cm and dimensions x cm by y cm is to be rolled into a cylinder as shown in part (a) of the figure. What values of x and y give the largest volume?
A. x = 12 cm; y = 3 cm B. x = 10 cm; y = 5 cm C. x = 11 cm; y = 4 cm D. x = 9 cm; y = 6 cm
Construct the indicated rotation.A 270° rotation of the polygon about point A
What will be an ideal response?
Complete the ordered pair for the given equation.y = -5x - 29(-5, )
A. (-5, 145) B. (-5, 7) C. (-5, -4) D. (-5, -29)