Solve using the elimination method. If the system has no solution or an infinite number of solutions, state this.-4x + 2y = 120x - 10y = -5

A.
B.
C. No solution
D. Infinite number of solutions


Answer: D

Mathematics

You might also like to view...

Find an equation of variation in which the following are true.y varies jointly as x and z; y = 250 when x = 25 and z = 15

A. = xz
B. = 
C. = 93750xz
D. = 

Mathematics

Evaluate the line integral.; C is the curve x = t2 - 1, y = 6t, 0 ? t ? 1

A. 26
B. 14
C.
D. 72

Mathematics

Find the area of the region enclosed by , , and the y-axis. ?

A.
B.
C.
D.
E.

Mathematics

Use the appropriate identity to find the indicated function value. Rationalize the denominator, if applicable. If the given value is a decimal, round your answer to three decimal places.csc ?, if sin ? = -0.067

A. -14.925 B. -7.463 C. 7.463 D. 14.925

Mathematics