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serious [3.7K]
3 years ago
11

What is the inverse of the function y = 2x + 3?

Mathematics
2 answers:
erastovalidia [21]3 years ago
7 0

Answer:

y = x/2 - 3/2

Step-by-step explanation:

krok68 [10]3 years ago
6 0

Answer:

y = x/2 - 3/2

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

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$20 i think

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4 years ago
What 2 fractions are equal to 4/10
melisa1 [442]

Step-by-step explanation: To find 2 fractions that are equivalent to 4/10, we either multiply or divide the numerator and denominator by the same number.

Notice however that 4/10 is not in lowest terms so we need to divide the numerator and the denominator by the greatest common factor of 4 and 10 which is 2. So if we divide the numerator and the denominator by 2, we get 2/5 so 1 fraction equivalent to 4/10 is 2/5.

If we multiply both the numerator and denominator of 4/10 by 512, we get the equivalent fraction 2048/5120. So this is another equivalent fraction.

It's important to understand that you can choose any number you want to multiply by as long as you do it to both the top and bottom.

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4 years ago
A right rectangular prism with square bases has a height of 20 centimeters and a volume of 800 cubic centimeters. Which statemen
ale4655 [162]

Answer: The area between the bases is about 126.5 square centimeters

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4 0
3 years ago
Read 2 more answers
Which of the following represents 2x - 5y + 15 = 0 written in slope-intercept form?
nexus9112 [7]
Slope-intercept form looks like this: y = mx + b (m is the slope value).

As you can see from the slope-intercept form, the "y" needs to be on a side alone, so move all other values to the other side.

-5y = -2x - 15  --> Not, divide the -5 off the "y".
y = 2/5x + 3

Therefore, your equation in slope-intercept form is y = 2/5x + 3
8 0
4 years ago
Read 2 more answers
Step by step plz on how to do this
maria [59]

Answer:

x=3

Step-by-step explanation:

Step 1: you have to replace y with x-6 to make it all one equation (as seen in the picture below)  

Step 2: write it all together so: x-6= -2x+3

Step 3: add 2x on both sides to cancel out the negative so: x+ 2x and -2x+2x

Step 4: add 6 on both sides to cancel out the negative so: -6+ 6 and 3+6

Step 5: divide 3 by 3x and 9 to get x

7 0
3 years ago
Read 2 more answers
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