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3 years ago

How do you solve y=3x+5

1 answer:

6 0

It depends how you want to solve it
you can plug it in on a calculator and It will show you how the equation looks on a graph( need graphing calculator).

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Whats the order pair of x,y for x-2y=-12 x 6y=20?

mote1985 [20]

X-2y=-12
x+6y=20
we can cancel x's
multiply first equation by -1 and add to 2nd equation

-x+2y=12
<u>x+6y=20 +</u>
0x+8y=32

8y=32
divide both sides by 8
y=4

sub back

x-2y=-12
x-2(4)=-12
x-8=-12
add 12 both sides
x=-4

(x,y)
(-4,4)

4 0

3 years ago

Is 2 DVDs / $36.75 equal to $18.375?

otez555 [7]

Just subtract those two numbers because then you will know if it is =2 that

3 0

4 years ago

Read 2 more answers

Which equations are related equations to x + 4 = 15?

Setler [38]

First one is wrong bcs it should be smaller than the answer.
The second one is correct bcs to find the second number we need to do inverse operation, here is subtraction.
Third one is correct bcs this is the same (but if u r searching only for relating not same, then the third kind of wrong)
The last one is correct

6 0

3 years ago

Read 2 more answers

What does v= Bh over 3 for B=36 inches squared. and h=11 inches equal.

Varvara68 [4.7K]

The answer is 132. Work below.
V=Bh/3, =(36)(11)/3 = 396/3 =132.

3 0

4 years ago

Select the system of linear inequalities whose solution is graphed. <br><br> Please help !!!!

GrogVix [38]

$\boxed{y\geq 3x-2, \ x+2y\leq 4}$

<h2>Explanation:</h2>

First of all, we need to know the equations of the given lines. According to the options the equations of the lines are:

1. First equation: Written in Slope-Intercept Form:

$y=3x-2$

2. Second equation: Written in Standard Form:

$x+2y=4$

According to the graph, both lines are dashed meaning both inequalities must include either ≥ or ≤. So let's taste a point on the coordinate system in order to know which option is satisfied:

Hence, let's take point (0, 0):

$y \ (?) \ 3x-2 \\ \\ 0 \ (?) \ 3(0)-2 \\ \\ 0 \ (?) \ -2 \\ \\ \\ So \ 0 \ is \ greater \ than \ -2: \\ \\ 0\geq 2 \\ \\ \\ \\ x+2y \ (?) \ 4 \\ \\ 0+2(0) \ (?) \ 4 \\ \\ 0 \ (?) \ 4 \\ \\ \\ So \ 0 \ is \ less \ than \ 4: \\ \\ 0\leq 4$

Therefore, the correct option is:

$\boxed{y\geq 3x-2, \ x+2y\leq 4}$

<h2>Learn more:</h2>

System of inequalities: brainly.com/question/12890742

#LearnWithBrainly

6 0

3 years ago