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Veronika [31]
3 years ago
15

The sum of two consecutive numbers is always a multiple of 3. True or false?

Mathematics
1 answer:
Volgvan3 years ago
4 0
The correct answer is true
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Twice the sum of two numbers is 24. if one number is 2 times larger than the other, what is the smaller of the two numbers?
Vikki [24]
2(x+y)=24
2x=y

Use substitution. If y=2x, than we can substitute 2x for it in the other equation, because x and y equal the same things in both equations. 

So using that we get 2(x+2x)=24

SIMPLIFY
2(3x)=24

DISTRIBUTE
6x=24. 

DIVIDE: x=4.

If we substitute x into the original equations we get x=4 and y=8. Those are your two numbers. 

Have a nice day! :)


4 0
3 years ago
WHAT IS THE SLOPE OF GRAPH THAT HAS A Y INTERCEPT OF 300 AND X INTERCEPT OF 450
Genrish500 [490]
The slope is 2/3 when simplified

6 0
3 years ago
Plz help with this for brainiest
bearhunter [10]

Answer:

<C = 133 degrees

Step-by-step explanation:

<B = 90 - 43

<B = 47

<C = 180 - 47

<C = 133 degrees

8 0
3 years ago
Look at number 17. What did I do wrong?
Gnesinka [82]
When you are checking your answers, your formula should read out as 9(2.222) - 8 = 12, which is simply filing in the x value that you calculated (it comes out to 11.998 which is correct). You wrote it out as 9(2.22) - 8 = -6, which is why your checking process was incorrect 
7 0
3 years ago
Read 2 more answers
Find the missing side length.
andrew11 [14]
So first of all you know that one side is 14cm and the other side is 6cm

What you would do is: 14-6=???







Your answer should be: 8cm
5 0
3 years ago
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