Florida11 Florida11

03-11-2016
Mathematics

contestada

5x-6y=-15 5x+6y=12 use elimination

Respuesta :

Аноним Аноним

03-11-2016

5x-6y=-15
5x+6y=12
---------------add
10x = -3
x = -3/10
x = -0.3

5x+6y=12
5(-0.3) + 6y = 12
6y = 12 + 1.5
6y = 13.5
y = 13.5 / 6

y = 2.25

Answer Link

Otras preguntas

Complete the chart Item Car Boat Skates Annual rate of decrease 20% 15% ? Value now $9800 $2200 $100 Value in t years ? ? 100(0.75)

When a child is growing, their bones grow longer. Why is this?

Situations that would contraindicate the administration is nitroglycerin

During the great depression, a large area in the mid-section of the united states was called the dust bowl because:O farmers were doing so well, their high prof

Which measurements could NOT represent the side lengths of a right triangle? A. 15 m, 9 m, 12 m B. 10 cm, 49.5 cm, 50.5 cm C. 48.5 ft, 32.5 ft, 39ft D.

A copy machine can make 500 copies every 4 minutes. How many MINUTES per copy?

A 52-year-old patient has a new diagnosis of pernicious anemia. After teaching the patient about pernicious anemia, the nurse determines that the patient unders

Determine if the sequence below is arithmetic or geometric and determine the common difference/ ratio in simplest form 72, 12, 2

What is the area of this parallelogram?

When a system of equations is graphed, the lines intersect at the point whether each equation could be in the system of equations.