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2 years ago

5

Answer the image below:

2 answers:

astraxan [27]2 years ago

7 0

4,9 so the answer is A

boyakko [2]2 years ago

4 0

Not sure but I’d like to say A

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Solve it by substitution method:- 5x - 6y=-9 and 3x + 4y= 25

user100 [1]

$\left\{\begin{array}{ccc}-5x-6y=-9&/\cdot2\\3x+4y=25&/\cdot3\end{array}\right\\+\left\{\begin{array}{ccc}-10x-12y=-18\\9x+12y=75\end{array}\right\\------------\\.\ \ \ \ \ \ \ -x=57\\.\ \ \ \ \ \ \ \ \ x=-57\\\\3\cdot(-57)+4y=25\\-171+4y=25\\4y=25+171\\4y=196\ \ \ \ /:4\\y=49\\\\Solution:x=-57;\ y=49.$

8 0

3 years ago

7 line tshirt company manufactures t-shirts and sells them online.The company has a model where the cost C, in dollars to make x

bonufazy [111]

Answer:

The company must sell at least 2 shirts to break even.

Step-by-step explanation:

Cost:

The cost is given by the following equation:

$C = \frac{40}{30x+20} + 20 = \frac{4x}{3} + 20$

Revenue:

The revenue is given by the following equation:

$R = 15x$

How many t shirts must the company sell to break even?

Breakeven point is when the revenue is the same as the costs. So

$\frac{4x}{3} + 20 = 15x$

$15x - \frac{4x}{3} = 20$

$\frac{45x}{3} - \frac{4x}{3} = 20$

Multiplying everything by 3

$45x - 4x = 60$

$41x = 60$

$x = \frac{60}{41} = 1,...$

Since you cant make a decimal value of shirts

The company must sell at least 2 shirts to break even.

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7 0

3 years ago

At the book store books selling for 15$ are marked 10% off what is the discount? what is the sale price of each book

torisob [31]

The saleprice is $13.5, so the discount is $1.5.

3 0

3 years ago

If y varies directly with x and y = 15 when x = 5, what is the value of k?

steposvetlana [31]

y = kx

15 = k5

k = 15/5

k = 3

6 0

3 years ago

Gopal is thinking of a number. He says that the sum of the number and 8, mulltiplied by 3/4, is equal to -12. Which equations ca

inysia [295]

Answer:

D

Step-by-step explanation:

12X+8=-12

12×8

____=12

12

5 0

3 years ago

Read 2 more answers