Provide an appropriate response.
Solve the system of equations using the addition method:2x + y = 13
y = 2x+ 1

A. x = -y = 14
B. x = 7, y = -1
C. x = 5, y = 3
D. x = 3, y = 7


Answer: D

Mathematics

You might also like to view...

At one high school, students can run the 100-yard dash in a mean of 15.2 seconds with a standard deviation of 0.9 seconds. The times are very closely approximated by a normal curve. Rounding to the nearest tenth of a percent as necessary, find the percent of times that are:Between 16.1 and 17 seconds

A. 34% B. 27% C. 12% D. 13.5%

Mathematics

Determine whether the equation defines y as a function of x.y = -2x2 - 3x - 4

A. No B. Yes

Mathematics

Find the distance between the points: ? 

What will be an ideal response?

Mathematics

Find two square roots for the complex number. Leave your answers in trigonometric form. ? ? ?

A.
B.
C.
D.
E.

Mathematics