Solve the system of equations using elimination.
A. x = , y =
; x = -
, y = -
B. x = - , y= -
; x =
, y =
C. x = , y = -
; x = -
, y =
D. x = - , y =
; x =
, y =-
Answer: A
Mathematics
You might also like to view...
Find the perimeter of the figure.A rectangle 80 cm × 110 cm
A. 17,600 cm B. 320 cm2 C. 380 cm D. 190 cm2
Mathematics
Use a half-angle formula to find the exact value of the expression.sin
A.
B.
C. -
D. -
Mathematics
Solve the problem.A building contractor finds that can of pipe joint compound is needed to plumb each new home. How many homes can be plumbed with 24 cans of compound?
A. 60 homes
B. 24 homes
C. 30 homes
D. 9 homes
Mathematics
Solve.Find the measures of the supplementary angles.
A. 96.25° and 83.75° B. 101.25° and 78.75° C. 202.5° and 157.5° D. 50.63° and 39.38°
Mathematics