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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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F(x) = 3x-1 and g(x)=2x^2
Law Incorporation [45]

Answer:

See below

Step-by-step explanation:

a.  here you are to multiply the two functions together:

(3x-1)(2x^{2} )=6x^{3}-2x^{2}

b.  here you are to subtract g from f:

(3x-1)-(2x^{2})=-2x^{2}+3x-1

c.  here you are to compose g into f.  In other words, pick up the whole g function and plug it into f wherever you see an x:

3(2x^{2} )-1=6x^{2} -1

d.  here you are compose f into g.  In other words, pick up the whole f function and plug it into g wherever you see an x:

2(3x-1)^2

You now have to FOIL out the (3x-1) like so:

2[(3x-1)(3x-1)]

which gives you

2(9x^{2} -6x+1)

Distribute in the 2 and you'll end up with the answer:

18x^{2} -12x+2

3 0
3 years ago
What is the ratio of 267?
Dmitry [639]
The answer is 133.5 I got this by dividing 267 by 2
5 0
3 years ago
An electrical power company is looking to expand into a new market. Before they commit to supplying the new area with electricit
TiliK225 [7]

Answer:

atleast 385

Step-by-step explanation:

Given that an electrical power company is looking to expand into a new market. Before they commit to supplying the new area with electricity, they would like know the mean daily power usage for homes there.

Population std deviation = \sigma = 50

Sample size =n

STd error of sample mean = \frac{50}{\sqrt{n} }

Margin of error for 95% would be Critical value ( std error)

Here since population std dev is known we can use Z critical value= 1.96

1.96*\frac{50}{\sqrt{n} }19.6^2\\n>384.16

Sample size should be atleast 385

5 0
3 years ago
Smallest to largest. Here are four decimal numbers: 0.9, 0.5, 0.8, 0.1
Pani-rosa [81]

Answer:

0.1,0.5,0.8,0.9

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
The sum of 5x and 2x is at least 14
tatuchka [14]

5x+2x>= 14

7x>= 14

divide by 7

x>=2

6 0
3 years ago
Read 2 more answers
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