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Juliette [100K]
3 years ago
7

1/). Help ASAP Find the area of each circle to the nearest tenth

Mathematics
1 answer:
pentagon [3]3 years ago
3 0

Answer:

153.9

Step-by-step explanation:

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Use the zero product property to find the solutions to the equation x2 + x – 30 = 12.
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x= 6, -7

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if a class of 20 students 40% are boys. twenty-five percent often boys and 50% of the girls wear glasses. how many students wear
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7a-3b-a+8-9b<br> Pls help!
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Step-by-step explanation:

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3 years ago
Find a12 of the sequence 1/4, 7/12, 11/12, 5/4
UNO [17]

1/4 = 3/12, and 5/4 = 15/12, so it looks like there's a common difference between terms of 4/12 = 1/3. The the n-th term in the sequence is given recursively by

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By substitution, we get

a_n=a_{n-1}+\dfrac13\implies a_n=\left(a_{n-2}+\dfrac13\right)+\dfrac13

a_n=a_{n-2}+\dfrac23

and doing this again and again until we stop with an expression containing a_1, we find that

a_n=a_1+\dfrac{n-1}3

a_n=\dfrac{4n-1}{12}

Then the 12th term in the sequence is

a_{12}=\dfrac{4\cdot12-1}{12}=\boxed{\dfrac{47}{12}}

7 0
3 years ago
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