Use a graphing calculator to solve the system. Round to the nearest thousandth.
x + 
y - 3 = 0
x - y - 
= 0
A. {(1.670, 0.443)}
B. {(1.099, 0.547)}
C. {(1.581, 0.289)}
D. ?
Answer: C
You might also like to view...
Evaluate the integral by using a substitution prior to integration by parts.
A. ln (8x + 8x2) - 2x + C B. xln (8x + 8x2) + C C. xln (8x + 8x2) + ln (x +1) - 2x + C D. ln (8x + 8x2) + ln (x +1) + C
Solve the problem.A box with an open top is to be constructed from a rectangular piece of cardboard with dimensions 14 inches by 21 inches by cutting out equal squares of side x at each corner and then folding up the sides as in the figure. Express the volume V of the box as a function of x.
A. V(x) = x(14 - x)(21 - x) B. V(x) = x(14 - 2x)(21 - 2x) C. V(x) = (14 - x)(21 - x) D. V(x) = (14 - 2x)(21 - 2x)
Solve the problem.The sum of the squares of two numbers is 82. The difference of the two numbers is 8. Find the two numbers.
A. -9 and -1 B. -9 and -1; or 1 and 9 C. -1 and 9; or -9 and 1 D. 1 and 9
Provide an appropriate response.In a raffle 1000 tickets are being sold at $1.00 each. The first prize is $100, and there are 3 second prizes fo $50 each. By how much does the price of a ticket exceed its expected value?
A. $1.00 B. $0.75 C. $1.75 D. $50