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stepladder [879]
3 years ago
13

Solve for y: x(y-3)=2y+1

Mathematics
2 answers:
polet [3.4K]3 years ago
7 0

Answer: y=(3x+1)/(x-2)

Step-by-step explanation: Step by step with principles included in the image.

lana [24]3 years ago
6 0

Answer:

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

Step-by-step explanation:

Add -2y to both sides:

xy−3x+<u>−2y</u>=2y+1+<u>−2y</u>

Simplify:

xy−3x−2y=1

Add 3x to both sides:

xy−3x−2y+<u>3x</u>=1+<u>3x</u>

Simplify:

xy−2y=3x+1

Factor out variable y:

y(x−2)=3x+1

Divide both sides by x-2:

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

Simplify:

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

Hope this helps :)

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A family plans to have 3 children. For each birth, assume that the probability of having a boy is the same as the probability of
Rzqust [24]

Answer:

1/2

Step-by-step explanation:

50-50 chance they will have a boy each time, 50-50 chance they will have a girl each time

3 0
2 years ago
To make a certain shade of orange calvin uses a rate of 2 ounces of yellow paint to 5 ounces of red paint if he uses 200 ounces
ycow [4]
Answer: 80 ounces of yellow paint

Working:
As we know 2 ounces of yellow paint to 5 ounces of red paint, we can make a ratio:

2:5

Then we look at the question which says 200 ounces of red paint, so we replace the 5 ounces of red paint in the ratio with 200.

2:200

Then we figure out how much the 5 has been multiplied by to get to 200. We do this by doing

200 divide 5 = 40

Therefore we times the 2 ounces of yellow paint by 40 which gets us:

80:200

We can think of it as a fraction too to confirm our answer:

Simplify 80 / 200

We get 2 / 5.

If you need me to further explain something please just ask :)
4 0
2 years ago
Evaluate 4<br> M-n if m= -7 and n = 2.
gregori [183]

Answer:

-30

Step-by-step explanation:

I'm assuming the equation is 4m-n. If it is not please tell me.

If we know the values of m and n, we can just substitute inside the expression.

4(-7) - 2\\\\-28 - 2\\\\-30

Hope this helped!

7 0
3 years ago
Help me pleaseeee !!!
galina1969 [7]

Answer:

you save $5, i can't send a diagram to help though.

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Find the slope and reduce P=(-2,3) Q=(8,3)
Tanya [424]

Answer:

∆y/∆x=y2-y1/x2-x1

=3-3/(-2+3)

=0/1

=o I.e it is undefine

7 0
3 years ago
Read 2 more answers
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