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bekas [8.4K]
4 years ago
9

Which properties justify the steps taken to solve the system? {3x−4y=9 2x+8y=6 Drag the answers into the boxes to match each ste

p. The answers are multip prop of equal, addition prop of equal,division prop,subsitution prop,simplify,subtraction,sivison

Mathematics
2 answers:
Rudik [331]4 years ago
6 0

Don't miss that second to last one. I did it wrong. It was "Subtraction property of equality."

anzhelika [568]4 years ago
4 0
1.) 6x-8y=18, 2x+8y=6 → Multiplication property of equality

2.) 8x=24 → Addition property of equality

3.) x=3 → Division property of equality

4.) 3(3)-4y=9 → Substitution property of equality

5.) 9-4y=9 → Simplify

6.) -4y=0 → Subtraction property of equality 

7.) y=0 → Division property of equality
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Logan and three friends went out to dinner. The total bill came to $74.40. They decide to split the bill equally between them. H
olya-2409 [2.1K]
74.40/3 friends= 24.80 for each friend. Simply division, easy to do on a calculator if you are allowed one. 
6 0
4 years ago
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Jimmy has a diecast metal car that is a scale model of an actual race car. If the actual length of the car is 10 feet 6 inches a
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10 feet 6 inches = 126 inches. Length of the car is 126 inches and the model length is 7 inches. 
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8 0
3 years ago
PLS Help Ill give you 20 points.
shepuryov [24]

Answer:

Mia and her family went to dinner, and the bill, including tax, came to $54.65. Mia suggested giving the server a gratuity of about 20 percent of the bill.

If they give a gratuity of 20 percent, what would be the tip rounded to the nearest dollar?

✔ $11

If they give a gratuity of 20 percent, rounded to the nearest dollar, what is the total cost of the dinner, including the tip?

✔ $65.65

Step-by-step explanation:

4 0
3 years ago
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What is the difference of the rational expressions below? x/x-2 - 3/x
Lera25 [3.4K]

Answer:

x^2-3x+6/x^2-2x

Step-by-step explanation:

5 0
3 years ago
How would the number of times edgardo uses a container to fill the 10 gallon cooler change if he uses a one cup container? Expla
olya-2409 [2.1K]

Answer:

Edgardo would use the container <u>160 times</u> to fill.

Step-by-step explanation:

Given:

Edgardo uses a container to fill the 10 gallon cooler.

If he uses a one cup container.

Now, to find the times it would take to fill the 10 gallon container.

As, the capacity of container = 1 cup.

And, the capacity of cooler = 10 gallon.

So, we use conversion factor to find the times the container to fill the cooler:

1 gallon = 16 cups.

10 gallon = 10\times 16\ cups.

10 gallon = 160 cups.

<u><em>Thus, to fill the 10 gallon cooler 160 cups of container needed.</em></u>

<u><em>And, the container is of 1 cup.</em></u>

So, to get the times he would use the container we divide 160 by 1:

160\div 1=160.

<u><em>Hence, 160 times Edgardo would use the 1 cup container to fill the 10 gallon cooler.</em></u>

Therefore, Edgardo would use the container 160 times to fill.

8 0
3 years ago
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