sbewick sbewick

25-02-2015
Mathematics

contestada

Solve the following system of linear equations by graphing.

3x-2y=12

7x+2y=8

Respuesta :

Panoyin Panoyin

26-02-2015

3x - 2y = 12
7x + 2y = 8
      10x = 20
   10    10
      x = 2
3(2) - 2y = 12
    6 - 2y = 12
+6    +6
      -2y = 18
   -2    -2
   y = -9
   (x, y) = (2, -9)

Answer Link

Otras preguntas

what is the domain of the function f(x) = 5x+2 when the range is {6, 8, 12}

Can anyone figure this out for me?

Why does cloud droplet and ice crystal size influence the probability that clouds will produce precipitation?

True or false receiving a hug from a stranger is a violation of most people’s boudaries

Let {e⃗ 1, e⃗ 2, e⃗ 3, e⃗ 4, e⃗ 5, e⃗ 6}{e→1, e→2, e→3, e→4, e→5, e→6} be the standard basis in r6r6. find the length of the vector x⃗ =−2e⃗ 1+5e⃗ 2−5e⃗ 3+4e⃗ 4

If a star is considered medium sized it is about the size of our sun about half of the size of our sun about twice the size of our sun at least five times the

Communications satellites are placed in a circular orbit where they stay directly over a fixed point on the equator as the earth rotates. these are called geosy

Think of some aspects of personality and development that might change as you grow older. do you expect that nature/genetics or nurture/experience has more infl

1. Cells starting mitosis and meiosis begin with a haploid or diploid set of chromosomes? 2. How many times do cells divide during meiosis?

What risks are associated with high doses of niacin?