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scoundrel [369]
3 years ago
14

MATH WILL YOU PLEASE HELP!

Mathematics
1 answer:
lidiya [134]3 years ago
7 0

Answer:

I think it's -6x-18, this queston uses distributive property, so you must multiply each term inside the parenthesis to the number outside the parenthesis.

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What is the net profit of a restaurant with total revenue of 57,000, a cost goods sold at 15,000 and operating expenses of 36,00
kakasveta [241]

Answer:6,000

Step-by-step explanation:

Gross profit = Revenue - cost of goods sold = 57,000 - 15,000 = 42,000

Net profit = Gross profit - expenses = 42,000 - 36,000 = 6,000

8 0
3 years ago
Distribute 1/3(12y - 9)
allochka39001 [22]
3. 4y-3
because 1/3*12y - 1/3*9 = 4y - 3
7 0
3 years ago
A chemical company makes two brands of antifreeze. The first brand is 20% pure antifreeze, and the second brand is 70% pure anti
andre [41]

Answer:

First brand of antifreeze: 21 gallons

Second brand of antifreeze: 9 gallons

Step-by-step explanation:

Let's call A the amount of  first brand of antifreeze. 20% pure antifreeze

Let's call B the amount of second brand of antifreeze. 70% pure antifreeze

The resulting mixture should have 35% pure antifreeze, and 30 gallons.

Then we know that the total amount of mixture will be:

A + B = 30

Then the total amount of pure antifreeze in the mixture will be:

0.2A + 0.7B = 0.35 * 30

0.2A + 0.7B = 10.5

Then we have two equations and two unknowns so we solve the system of equations. Multiply the first equation by -0.7 and add it to the second equation:

-0.7A -0.7B = -0.7*30

-0.7A -0.7B = -21

-0.7A -0.7B = -21

               +

0.2A + 0.7B = 10.5

--------------------------------------

-0.5A = -10.5

A = \frac{-10.5}{-0.5}

A = 21\ gallons

We substitute the value of A into one of the two equations and solve for B.

21 + B = 30

B = 9\ gallons

3 0
3 years ago
In the equation, 3x + 5 < 18, what is the first step in order of operations?
adell [148]

Answer:

Subtract 5 from both sides would be the first step for solving

Step-by-step explanation:

4 0
2 years ago
State the angle relationship and state the measure of each angle indicated that makes lines u and v
vlabodo [156]

Answer:

Q9. ?=53° (corr angles, u//v)

Q10. ?=58° (alt angles, u//v)

7 0
3 years ago
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