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Evgen [1.6K]
3 years ago
12

How do you simplify the like terms in 9y-y-7y+3

Mathematics
1 answer:
Andre45 [30]3 years ago
3 0

Answer:

9y-y-7y+3= y+3

Step-by-step explanation:

Any time there is no number in front of a variable, it's automatically 1, you just don't put the 1 there. So it would be

9y - 1y= 8y

So after you do that, you take the 7y and subtract it from 8y

8y - 7y= 1y

And remember you don't put the 1 so it simplifies to just y.

You simply add or subtract all the numbers with the same variable

I'm not the best at explaining so if you have any questions on it I can answer them in the comments :)

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kirill115 [55]

Answer:

<h2>621.207km</h2>

Step-by-step explanation:

We are expected to convert from miles to kilometer

first day 85 miles =136.794km

Second day 125 mile=201.168km

third day 176 miles =283.245km

Total distance covered is

136.794km+201.168km+283.245km=621.207km

Therefore the total distance in kilometer is 621.207km

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If Koran and Mai start a bike trip at the same time, how far are they after 24 minutes?
Dafna1 [17]
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5 0
2 years ago
Allison practices her violin for at least 12 hours per week. She practices for three fourths of an hour each session. If Allison
dolphi86 [110]

Answer:

Sessions needed= 12

Step-by-step explanation:

Giving the following information:

Total hours= 12 hours

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<u>First, we need to determine how many minutes does she practice each session:</u>

Minutes per session= 0.75*60= 45 minutes

<u>Now, we divide the total practice in minutes required for the minutes per session:</u>

Sessions needed= (9*60) / 45

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8 0
3 years ago
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Elis [28]

Answer:

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Step-by-step explanation:

because you can look at how big angels are

6 0
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