SofiaBakrim SofiaBakrim

20-04-2017
Mathematics

contestada

is the ordered pair (3, -4) a solution for 5x + 2y = 7

Respuesta :

slippy2714 slippy2714

20-04-2017

Well, plug in 3 to x, and -4 to y.

5(3) + 2(-4) = 7

15 - 8 = 7

7=7

Yes, (3, -4) is a solution.

Answer Link

Otras preguntas

December is to winter as september is to it's an analogy

A farmer has 100 m of fencing to enclose a rectangular pen. Which quadratic equation gives the area (A) of the pen, given its width (w)? 1. A(w) = w2 – 50w

Find the slope of the given points (4,6) and (3,-5)

What area is a blind spot for large animals?

HELP! It can be short like a paragraph or like 3 sentences. Why did alexander the great empire fell apart after his death

Define or explain powhatan

If a person's blood is saturated with carbon monoxide, this gas can be replaced by breathing 100% o2. true false

Which of the following best describes the long-term impact of using a renewable energy source? Natural gas causes air pollution when burned. Nuclear power pro

Cell drinking; cell eating. Both are modeled here and are examples of A) osmosis. B) diffusion. C) endocytosis. D) facilitated transport.

What is the difference between role conflict and role strain? Give an example?