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3 years ago

Solve the equation 3y + xy = 23 for the variable y.

Mathematics

1 answer:

mixas84 [53]3 years ago

4 0

y = 23/(3 + x)

Step-by-step explanation:

$\begin{aligned}\rm 3y + xy&= 23\\\rm y(3 + x)&= 23\\\bf y&=\bf\frac{23}{3+x}\end{aligned}$

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The cost of 3 ibs of turkey is $9.81. What is the cost per pound for the turkey?

butalik [34]

3 = $9.81

1 = $?

To find this you have to do 9.81/3.

Hope this helps and have a nice day!!

3 0

3 years ago

Solve y

Ksivusya [100]

The value of y in $-3 = 7\left(y-\dfrac97\right)$ is 6/7

<h3>How to solve for y?</h3>

The equation is given as:

$-3 = 7\left(y-\dfrac97\right)$

Open the bracket

-3 = 7y - 9

Add 9 to both sides of the equation

7y = 6

Divide both sides by 7

y= 6/7

Hence, the value of y in $-3 = 7\left(y-\dfrac97\right)$ is 6/7

Read more about equations at:

brainly.com/question/2972832

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<u>Complete question</u>

Solve for y

$-3 = 7\left(y-\dfrac97\right)$

5 0

2 years ago

K is the midpoint of PQ, P has

Pachacha [2.7K]

Answer:

Coordinates of Q $(x_2,y_2) \:are\: \mathbf{(7,16)}$

Option D is correct option.

Step-by-step explanation:

We are given:

K is the midpoint of PQ

Coordinates of P = (-9,-4)

Coordinates of K = (-1,6)

We need to find coordinates of Q $(x_2,y_2)$

We will use the formula of midpoint: $Midpoint=(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})$

We are given midpoint K and $x_1,y_1$ the coordinates of P we need to find $x_2,y_2$ the coordinates of Q.

$Midpoint=(\frac{x_1+x_2}{2},\frac{y_1+y_2}{2})\\(-1,6)=(\frac{-9+x_2}{2},\frac{-4+y_2}{2})\\$

Now, we can write

$-1=\frac{-9+x_2}{2}, 6=\frac{-4+y_2}{2}\\Simplifying:\\-2=-9+x_2\:,\: 12=-4+y_2\\-2+9=x_2\:,\: 12+4=+y_2\\x_2=7\:,\:y_2=16$

So, we get coordinates of Q $(x_2,y_2) \:are\: \mathbf{(7,16)}$

Option D is correct option.

6 0

3 years ago

HELP HOW WOULD I DO THIS? WHAT WOULD THIS BE?? HELP !! PLEASE

Ymorist [56]

You have to find the area of the four triangles which is the perimeter of the base and multiply. It by your height and your case you have to find out if it’s a slant height.

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3 years ago

A 1,600.00 principal earns 7% interest compounded semiannually twice per year' after 33 years what is the balance in the account

Dmitrij [34]

A=1600(1+0.07/2)^(2*33)=15,494.7

7 0

3 years ago