it7sRrebr5itakeyj it7sRrebr5itakeyj

06-05-2016
Mathematics

contestada

What is the solution of this linear system?

3x + 5y = -1
2x − 5y = 16
(-3, 2)
(-3, -2)
(3, -2)
(2, -3)

Respuesta :

Panoyin Panoyin

07-05-2016

  3x + 5y = -1
  2x - 5y = 16
  5x = 15
5 5
  x = 3
  3x + 5y = -1
3(3) + 5y = -1
9 + 5y = -1
- 9   - 9
5y = -10
5 5
y = -2
  (x, y) = (3, -2)

The answer is C.

Answer Link

Otras preguntas

What if the tank had been identified by the Germans as a weapon when it was first shipped to France

The current price of a pair of Lux basketball shoes is 30$. The original price had been reduced by 25%. That reduced price was then lowered by 50%, to arrive at

What is Polonius’s plan for proving that hamlets strange behavior has been caused by love for Ophelia

What is the percentage of sugar in the syrup made of 10 kg of water and 4 kg of sugar?

To understand the ideal gas law and be able to apply it to a wide variety of situations. The absolute temperature T, volume V, and pressure p of a gas sample ar

Bc+g=2k for c ...........

What is the place value of the 2 in the whole number 12,846

A fan is marked up 40 percent on the original price.The original price was 90$.What is the sale price of the parrot

Identify the health-related components of fitness.

Which cell component is common to nearly all plant and animal cells

good job