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Igoryamba
3 years ago
5

I'm doing elimination in systems of equations how do I solve this?????? Help!!!

Mathematics
1 answer:
Eddi Din [679]3 years ago
7 0
X-3y=-5
-(x+3y=1)
-------------
-6y=-6
y=1
x=-2

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Evaluate the expression when c = -6 And y = 7<br><br> y - 9c
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Students were asked to choose their favorite food and 4/8 of the students choose pizza and tacos . If 2/8 of the students chose
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The solution is in the attachment

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2 years ago
Help with both questions offering 10 points
Alexandra [31]

Answer:

\:\mathrm{First\: problem:\:}-2,\\\:\mathrm{Second\: problem:\: }-3

Step-by-step explanation:

The slope of a line passing through points (x_1, y_1) and (x_2, y_2) is:

m=\frac{\Delta y}{\Delta x}=\frac{y_2-y_1}{x_2-x_1}

Plugging in any two points in the table we have:

<u>First problem:</u>

<u />m=\frac{1-5}{2-0}=\frac{-4}{2}=\fbox{$-2$}<u />

<u>Second problem:</u>

<u />m=\frac{-1-5}{2-0}=\frac{-6}{2}=\fbox{$-3$}<u />

8 0
3 years ago
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John earns $25 per hour as a part-time firefighter. If John works 30 hours per week, how much does he earn that week?
Tanzania [10]

Answer: $750

Step-by-step explanation:

So we know that he earns $25 per hour, and we want to know how much he earns if he worked for 30 hours which is a week.

25=1

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then we can cross multiply which is

\frac{25(30)}{1}=750

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8 0
2 years ago
What is equilibrium if autonomous expenditures are $2,000 and the mpe is 0. 5?
STALIN [3.7K]

The equilibrium level if autonomous expenditures are $2,000 and the mpe is 0. 5 is $4000.

<h3>How to calculate the equilibrium?</h3>

From the information given, the autonomous expenditures are $2,000 and the mpe is 0. 5.

Here, the equilibrium level will be:

= 2000/(1 - 0.5)

= 2000/0.5

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In conclusion, the correct option is $4000.

Learn more about expenditure on:

brainly.com/question/935872

#SPJ1

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2 years ago
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