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Sergeeva-Olga [200]
3 years ago
13

Find the inverse of the following equation: y=2x-3

Mathematics
2 answers:
Elina [12.6K]3 years ago
8 0

Step-by-step explanation:

First get x on its own:

 

Subtract 3 from each side

y - 3 = 2x

 

Divide through by 2

y/2 - 3/2 = x

or x = y/2 - 3/2

 

Now simply switch labels: x↔y

y = x/2 - 3/2

aleksandr82 [10.1K]3 years ago
4 0

Answer:

y=\frac{x}{2}+\frac{3}{2}

Step-by-step explanation:

To find inverse of an equation, replace the variables x with y and y with x:

x = 2y - 3

Now we get it in slope-intercept form:

x = 2y - 3

Add 3 to both sides.

x + 3 = 2y

Divide both sides by 2.

\frac{x}{2}+\frac{3}{2}=y

Swap left and right sides.

y=\frac{x}{2}+\frac{3}{2}

And this is the inverse of the equation y = 2x - 3.

I hope you find my answer helpful.

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A circle has a circumference of 28.26 units. What is the diameter of the circle?
Karolina [17]

Answer:

The diameter of the circle is 9.

Step-by-step explanation:

Because circumference is equal to \pi * d, we can backtrack and use this equation to find diameter. Let's say \pi is equal to 3.14.

28.26 = 3.14d

Divide both sides by 3.14.

9 = d


The diameter of the circle is 9.


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3 years ago
How do i solve this system. <br> x = 2/3<br><br> y= x^2+20
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Step-by-step explanation:

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4 0
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ammar hikes 23/4 miles of nature trail in 1 hour and 15 min .How many miles of trail does ammar hike per hour? pleas help me to
telo118 [61]
23/4 miles is as much as 5 3/4 miles. We can also write it as a decimal, because 5 3/4 = 5,75 miles.

If Ammar hikes 5,75 miles in 1 1/4 hour, then we need to find out what distance does he hike in 1/4 hour (15 minutes). To do that we can just divide 5,75 by 5 (because dividing 1 1/4 by 5 will give us 1/4 we're looking for).

5,75 / 5 = 1,15

It means that in one hour Ammar hikes 5,75 - 1,15 = 4,6 miles.

We can also write it as a fraction:

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Cual es la forma más simple al efectuar la operación indicada en la expresión (-3) (-12) ?
GaryK [48]

Answer:

Cual es la forma más simple al efectuar la operación indicada en la expresión (-3) (-12) ?  this means What is the simplest way to perform the operation indicated in the expression (-3) (-12)?

Step-by-step explanation:

Multiply -3 by -12 and get 36. hope this was helpful.

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Earl went to the RoyaleWoods Theme Park with her sister. Earl won 500 ticket's. Her Sister Amy won 4 times the amount as Earl. H
rosijanka [135]
Amy earned 2,000 tickets

500
x
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2,000
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3 years ago
Read 2 more answers
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