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2 years ago

Given two equations of lines : y=-2x+4 and -2y= 4x-8 how do the lines compare

Mathematics

2 answers:

Gelneren [198K]2 years ago

8 0

Answer:

The lines are the same if you divide both sides by -2 for the equation:-2y=4x-8 to get a slope formula. As you can see, after doing that, the equations are the same.

Step-by-step explanation:

y=-2x+4

-2y=4x-8

-2y/-2=(4x-8)/2

y=-2x+4

dem82 [27]2 years ago

5 0

Answer:

They are the same line

Step-by-step explanation:

When you have equations of line and want to compare them, make sure the y is isolated (by itself)

the second equation -2y = 4x-8 is not isolated

To isolate, divide both sides by -2

$\frac{-2y}{-2} =y$

$\frac{4x-8}{-2} = -2x+4$

Now you have y=-2x+4, which is the same equation as the first!

(remember that if you divide a negative number by a negative number, you will get a positive one)

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The probability of having a winning raffle ticket is 20%. If you bought 50 tickets, how many winning tickets should you expect t

Usimov [2.4K]

$\frac{20}{100} = \frac{x}{50}$
Let's solve for x:
100x=1000
Divide by 100
x=10
You should expect to win 10 times.

3 0

3 years ago

Read 2 more answers

F(x)=6x-18 sub in f(x/3), f(x)/3

arlik [135]

These are two separate problems: in the first we will have to substitute in a new value for x into the original equation and in the second we will manipulate the preexisting equation for f(x).

To begin, we will sub in f(x/3). To do this, we will substitute each variable x in the equation (in this case there is only one) with x/3, and then simplify the resulting equation.

f(x) = 6x - 18

f(x/3) = 6(x/3) - 18

To simplify, we should distribute the 6 on the right side of the equation.

f(x/3) = 6x/3 - 18

Now, we can divide the first term on the right side to finalize our simplification.

f(x/3) = 2x -18

Secondly, we are asked to find f(x)/3. To do this, we will take our original value for f(x), and then simplify divide that entire function by 3.

f(x) = 6x - 18

f(x)/3 = (6x-18)/3

This means that we must divide each term of the binomial by 3, so we are really computing

f(x)/3 = 6x/3 - 18/3

We can simplify by dividing both of the terms.

f(x)/3 = 2x - 6

Therefore, your answer is that f(x/3) = 2x - 18, but f(x)/3 = 2x - 6. It is important to recognize that these are two similar, yet different, answers.

Hope this helps!

8 0

3 years ago

The table below shows the ages of employees over 50 at a company and the amount of money they have in their retirement accounts.

sp2606 [1]

Answer:

Step-by-step explanation:

plot your graph and then you will see there is no line which shows there is a correlation. they're too scattered

4 0

3 years ago

Meg initially has 3 hours of pop music and 2 hours of classical music in her collection. Every month onwards, the hours of pop m

zlopas [31]

Answer: Option 'd' is correct.

Step-by-step explanation:

Since we have given that

Number of hours of pop music = 3

Number of hours of classical music = 2

According to question, Every month onwards, the hours of pop music in her collection is 5% more than what she had the previous month. Her classical music does not change.

Rate of increment = 5% = 0.05

Let the number of months be 'x'.

So, our required function becomes,

$f(x)=3(1+0.05)x+2\\\\f(x)=3(1.05)x+2$

Hence, Option 'd' is correct.

3 0

3 years ago

-5,8 and 2,-6 what the slope

Degger [83]

Answer:

bederr

Step-by-step explanation:

baderdkd0ensdeussdk fmdikjxijod djieos-sxmsososjs0hsoisnsohsowb9sbnszolsis

ssls0ajsojsjwoiwksjksosjoksoajaonsisj

i got 5 points mfor free haha!!

7 0

3 years ago