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anzhelika [568]
4 years ago
8

Given the equations y-3x=8 and 3x=2y+7 what would you substitute for Y in the equation 3x=2y+7

Mathematics
1 answer:
RoseWind [281]4 years ago
7 0

Answer:

8+3x

Step-by-step explanation:

Look at the first equation. If you add 3x to both sides of the equation, it becomes y-3x+3x=8+3x. Y-3x+3x is the same thing as just y, so the equation is really saying y=8+3x. Replace y in the other equation with 8+3x.

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HELP PLZ I need help i dont understand it
Stells [14]

Answer:

if it is an equilateral triangle then it should have the same measurements on each side.

Step-by-step explanation:

An equilateral triangle is equal on all three sides, meaning if one side is 24, the rest will be the same/equal.

8 0
3 years ago
Which is greater |60| or |-60|
Aneli [31]

Answer:

They are both equal

Step-by-step explanation:

60 stays 60, and -60 converts to 60, so they are both 60

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Hope it helped!~❤️

6 0
3 years ago
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A car travels 65 km in 45 minutes what is the average speed of the car in km/h
nekit [7.7K]
So to begin your problem, you know that your car already has an average which is 65km/45 mins. The problem wants you to change this to km/hr. This means that you need to convert minutes to hours. A simple way to do this is by using fractions. 
Set your problem up with fractions similar to this:
65km/45 mins x 60 mins/1 hr.
the whole point is to cancel out your minutes, and leave the hours as your new unit for the denominator
65km/45 x 60/1 hr. 
now you want to reduce (I divided the first fraction by 5)
13km/9 x 60/1 hr.
780km/9hrs. 
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5 0
4 years ago
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I need help can some please answer this 2 2/3+1 1/2
irakobra [83]

Answer:

25/6 or 4 1/6

Step-by-step explanation:

1) convert these fractions to improper fractions first:

8/3+3/2

make like denominators  by multiplying 8/3 by 2 and 3/2 by 3

so 8*2/3*2=16/6

3*3/2*3=9/6

16/6+9/6=25/6

Hope this helps!

3 0
4 years ago
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ddd [48]

Answer:

17.0625

Step-by-step explanation:

Due to order of operations the division and multiplication get done first and the we add the 12

3 0
3 years ago
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