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Katyanochek1 [597]
3 years ago
6

If x -1 = 2y/3,then y=​

Mathematics
2 answers:
Zolol [24]3 years ago
8 0

Answer:

\Large \boxed{{y = \frac{3}{2}(x-1)}}

Step-by-step explanation:

We have to solve for the y variable.

The variable must be isolated on one side of the equation.

x - 1 = \frac{2y}{3}

Multiply both sides of the equation by 3.

3(x - 1) = 2y

Divide both sides of the equation by 2.

\frac{3}{2} (x - 1) = y

earnstyle [38]3 years ago
6 0

Answer:

The answer is

<h2>y =  \frac{3x - 3}{2}</h2>

Step-by-step explanation:

<h3>x - 1 =  \frac{2y}{3}</h3>

To solve for y cross multiply

That's

3( x - 1) = 2y

2y = 3x - 3

Divide both sides by 2 to make y stand alone

That's

<h3>\frac{2y}{2}  =  \frac{3x - 3}{2}</h3>

We have the final answer as

<h3>y =  \frac{3x - 3}{2}</h3>

Hope this helps you

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Kipish [7]

Answer:

<h2>G. 118⁰</h2>

100% right answer

8 0
3 years ago
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A test worth 125 points has 49 questions on it. Multiple Choice questions are worth 2 points each and short answer questions are
Charra [1.4K]

Answer:

There were 40 2-point questions and 9 3-point questions.

Step-by-step explanation:

To solve this situation, write two equations. One for the number of questions and one for the number of points.

Let x be the number of 2 point questions.

Let y be the number of 5 point questions.

x + y = 49

Now since x are each worth 2 points, the total points is 2x.

And since y are each worth 5 points, the total points is 5y.

So 2x + 5y = 125. Substitute one of the equations into the other to solve for the variables.

x + y = 49 becomes x = 49 - y. Substitute it.

2(49-y) + 5y = 125

98 - 2y + 5y = 125

98 + 3y = 125

3y = 27

y = 9

Substitute y = 9 back into the equation x = 49 - y to find x.

x = 49 - 9

x = 40

5 0
3 years ago
Pls tell the value of Y pls pls
frosja888 [35]

4 × y - y = 36

4y - y = 36

Combining 4y and -y to get 3y

3y = 36

Dividing both sides by 3

y = 36/3

y = 12.

6 0
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Comparing decimals 0.49 to 0.94 is that equal ? or 0.94 more..?​
ddd [48]

the simple fact that 94 is 49 backwards means nothing, anymore than say 001 and 100 are equal quantities or related other than in the digits.

so, 0.49 or 49/100 and 0.94 or 94/100, are two values, both are at the one hundredth level, so to see who is larger, we can nevermind the 100 and look at the numerator, 94 is clearly much larger than 49.

8 0
3 years ago
PLEASE HELP!!! GIVING BRAINLIEST!! ill also answer questions that you have posted if you answer this correctly!!!! (80pts)
wariber [46]

Answer:

PQ = 20

QR = 15

Step-by-step explanation:

PQ^2 = 16^2 + 12^2

PQ^2 = 400

PQ = √400 = 20

QR^2 = 12^2+9^2

QR^2 = 225

QR = √225 = 15

6 0
3 years ago
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