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bonufazy [111]
3 years ago
8

3a=a+22 help me please

Mathematics
2 answers:
noname [10]3 years ago
7 0
3a = a + 22
move the variable to the left
3a - a = 22
collect the like terms (3a and a)
2a= 22
a= 11
devlian [24]3 years ago
4 0
3a = a + 22

Take away a from both sides:
2a = 22

Divide both sides by 2:
a = 11

Answer: a = 11
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4 0
3 years ago
Coefficient of b in expansion of (3+b)^4
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According to Pascal's Triangle, the coefficients of (a+b)^4 are as follows:

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                   1      3    3     1
              1       4     6     4     1

So (a+b)^4 would be 1a^4 + 4a^3b + 6a^2b^2 + 4ab^3 + b^4

Here, you want (3 + b)^4.  Here's what that looks like:

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Which coeff did you want?
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3 years ago
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d=5πr/12, and since r=4in

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d=20π/12 in

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3 years ago
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Alexus [3.1K]
H'=-32t+96
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