We have $944.00 to spend on gravel for a drive. Fine gravel costs $26.00 per ton, while coarse gravel costs $16.00 per ton. We need a total of 42.00 tons of gravel.
A: Using F fine gravel and C for coarse gravel, both in tons, write a system of two equations that determine the amount of each to be purchased. Round your answers to two decimal places, if necessary.B: How much of each type of gravel was purchased? Round your answers to two decimal places, if necessary.
What will be an ideal response?
?
B: 27.20 tons of fine gravel and 14.80 tons of coarse gravel.
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Multiply or divide. Simplify, if possible. Assume all variables and radicands represent nonnegative real numbers.
A. 2
B. 
C. 5
D. 5
Provide an appropriate response. How many variations of solutions are possible for a system of two parabolic equations?
What will be an ideal response?
Expand, where i2 = -1.(1 + 3i)3
A. 28 + 36i B. 36 + 28i C. -18 - 26i D. -26 - 18i
Do the following: (i) Write a formula for the function described. (ii) Evaluate the function for input 10.Function A computes the square yards in x acres. (Hint: 4840 square yards equal 1 acre.)
A. (i) A(x) = 4840x2
(ii) A(10) = 484,000
B. (i) A(x) = 
(ii) A(10) = 
? 0.002
C. (i) A(x) = 4840 + x
(ii) A(10) = 4850
D. (i) A(x) = 4840x
(ii) A(10) = 48,400