Solve the system.
+ 
= 
- 
= - 
A. 
B. {(-5, 7)}
C. {(-7, 5)}
D. {(5, -7)}
Answer: D
Mathematics
You might also like to view...
Find the indicated vector.Let u = 
. Find -2u.
A. 
B. 
C. 
D. 
Mathematics
Solve.Expand 
in a half-range cosine series for 
A. 14 - 
B. 14 - 
C. 14 - 
D. 14 - 
Mathematics
Use a calculator to solve the equation on the interval [0, 2?). Round to the nearest hundredth of a radian.cos 3x = - cos x
A. 0.79, 1.57, 2.36, 3.93, 4.71, 5.50 B. 0, 1.57, 3.14, 4.71 C. 1.57, 4.71 D. 0, 0.79, 2.36, 3.14, 3.93, 5.50
Mathematics
Solve.One side of a rectangular patio is 6 meters less than twice the other. If the area of the patio is 140 square meters, what are the dimensions of the patio?
A. 7 meters by 8 meters
B. 10 meters by 14 meters
C. 14 meters by 10 meters
D. 3 meters by 46
meters
Mathematics