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QveST [7]
2 years ago
9

Simplify the expression: 6a + 9b - c - 9a +2b + 3c

Mathematics
2 answers:
tatuchka [14]2 years ago
7 0

Answer:

-3a + 11b + 2c

Step-by-step explanation:

IgorLugansk [536]2 years ago
7 0
The answer is -3a + 11b + 2c
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Question in picture solve
Anna007 [38]
I think it’s 3 times because 2*3=6 and 4*3=12 and 6*3=18
8 0
2 years ago
The sum of two rational numbers of 63, and their difference is 12? What are the numbers?
VladimirAG [237]

Answer:

The two numbers are 37.5 and 25.5

Step-by-step explanation:

Comment

Let the two numbers be x and y

Equations

x + y = 63

x - y =  12

Solution

Add the two equations. The ys cancel out.

2x = 75               Divide by 2

2x/2 = 75/3         Do the division

x = 37.5

Now use one of the given equations to solve for y

x + y = 63

x = 37.5

37.5 + y = 63                     Subtract 37.5 from both sides

37.5-37.5+y= 63 - 37.5     Collect the like terms on both sides

y = 25.5

Check

x - y =? 12

37.5-25.5 =? 12

12 = 12      

3 0
3 years ago
A reindeer can run 96 miles in 3 hours at this rate how far can a reindeer run in 1hour explain
jekas [21]
This is how you do it: you put mile 96 over 3 and if u wanna know how many it will run in 1 hour. You cross multiply so you multiply 96 times1 and you get 96 but now you have to divide it by 3. If you do that you'll get the answer which is 32. There are other ways to do it but I just think it's way easier this way
6 0
3 years ago
Help y<-1/3x+1 y≤2x-3​
patriot [66]

Answer:

-(1/3)x+1>y

2x-3≥y

If x<12/7 then 2x-3≥y

and if x≥12/7 then -(1/3)x+1>y

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3 years ago
What does exlamitory mean
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