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Gennadij [26K]
3 years ago
15

Write the equation 2y − 4x = 5 in the form y = mx +

Mathematics
2 answers:
Art [367]3 years ago
7 0
Starting with <span>2y − 4x = 5, solve for y.  To do this, add 4x to both sides, obtaining 2y = 4x+5.  Divide both sides by 2, obtaining

y = 2x + 5/2 (answer)</span>
tekilochka [14]3 years ago
5 0

Answer:

y=2x+\frac{5}{2}.

Step-by-step explanation:

We have been equation of a line in standard form of equation 2y-4x=5. We are asked to write our given equation in slope-intercept form of equation y=mx+b.

To convert our given equation in slope-intercept form, we need to separate y on one side of equation using opposite operations.

Add 4x on both sides:

2y-4x+4x=5+4x

2y=4x+5

Now, we will divide both sides of our equation by 2.

\frac{2y}{2}=\frac{4x+5}{2}

y=\frac{4x}{2}+\frac{5}{2}

y=2x+\frac{5}{2}

Therefore, our required equation would be y=2x+\frac{5}{2}.

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What is the constant of proportionality between y/x
Y_Kistochka [10]

Answer:

3.5

Step-by-step explanation:

To find the constant of proportionality between y/x you investigate the trend in values of x with corresponding values of y

For this case, when x =1, y=3.5

                       when x=2, y=7

                       

Taking in case 1, y/x = 3.5/1 = 3.5

In case 2, y/x= 7/2 = 3.5

But you know that the constant of proportionality k is given by;

y=kx------------------------making k subject of formula

y/x=k

Hence in this case, your constant of proportionality is 3.5

8 0
3 years ago
Answer two questions about Systems A and B:System A x+3y=−9 2x+y=4 System B 3x+4y=−9 2x+y=4
Jet001 [13]

Answer:

A=(21/5,-22/5) B=(5,-6)

Step-by-step explanation:

6 0
2 years ago
What do you get when you subtract 9 from b?
In-s [12.5K]
Answer:

4

step by step:

b-9=4
5 0
3 years ago
Can someone help me please?
Rashid [163]
Idk your best bet is to look it up online thats what i do often
8 0
3 years ago
Add and reduce to lowest terms: 5 1/4+4 5/6
lakkis [162]

Answer:

−6.7 + (−2 1/ 5 )

Step-by-step explanation:

−6.7 + (−2 1/ 5 )

4 0
2 years ago
Read 2 more answers
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