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miss Akunina [59]
3 years ago
13

Solve: 10c + 20 = 40 c =

Mathematics
1 answer:
Dvinal [7]3 years ago
8 0
C= 2


...................................
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Explain why the steps for solving equations are usually given as removing grouping symbols first, even though it is not necessar
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This is because simplifying the equation before solving it will lead you to the answer at a much faster rate. For example, in the given equation, the long way would be to distribute 2 to (x+3). Then, you transpose them and combine like terms. Until you get to x + 3 = 8. But if you simplify it first, you will see that it is straightforward. It will lead you to the answer right away which is x + 3 = 8. It saves you from the hassle of doing more algebra :)
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1+1= What? Dont get it wrong
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1 plus 1 is 2. 
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Read 2 more answers
What is the some need help????​
snow_tiger [21]

The sum formula for a geometric sequaence is:

sum(n) = a1(1-r^n)/1-r

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s(8) = 2 253/256 / 1/2

s(8) = 765/128

The answer is C.

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3 years ago
If a piece of cardboard is 6 in long and I line up a hundred and ten of them what would be the length of my row and feet
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Tarzan travels 33 miles per hour. How long does it take him to travel
posledela

Answer:

40 mins

Step-by-step explanation:

33/60 = 0.55

22/0.55 = 40

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3 years ago
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