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Neporo4naja [7]
3 years ago
13

What is -(2 a + 2 b) + (4 a +4 b​

Mathematics
2 answers:
Masja [62]3 years ago
8 0

answer: 2a+3b

I really hope this helped

tia_tia [17]3 years ago
3 0

Answer:

2a+2b is the answer

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The improper fraction is equivalent to which of the following decimal numbers?
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3.6 is your Answer.

Step-by-step explanation:

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Can someone double check my answer, much appreciated.<br> Answer: x &gt; 3<br> _
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Step-by-step explanation:

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I need the answer for both of them I’ll give your Brainly help
ExtremeBDS [4]

Answer:

11. a)50      12. a)40

Step-by-step explanation:

sum of  all three angles of  trinagle=180

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4 0
2 years ago
Read 2 more answers
A house wife forgot her bank'Atm pin'which is a four digit number,but luckily she remembered some hints on how to recall this 'p
Liono4ka [1.6K]

Answer:

4829

Step-by-step explanation:

If the first digit is half of the second, that means the second is 2 times the first

So let's solve this algebraically...

The first digit could be called <em>a</em>

The second digit would have to be 2 times a (2a)

We can call the 3rd digit b

Since the sum of the second and third digit is 10, the equation would be this..

2x + b = 10, which is the same as b = 10 - 2x

The fourth digit is this equation

2x + 1

So the four digits are...

x, 2x, 10-2x, 2x+1

They are all equal to 23, which means...

x + 2x + 10-2x + 2x +1 = 23

After simplifying...

3x + 11 = 23

3x = 23 - 11

Which means...

3x = 12, x = 4

After you plug all that back into the prior equation you should get

first digit = 4 second digit = 8 third digit = 2 fourth digit = 9

Thank me later :)

(or just mark brainliest)

6 0
3 years ago
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