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sashaice [31]
3 years ago
15

Use the binomial theorem to expand (2x+1)^3

Mathematics
1 answer:
Sauron [17]3 years ago
3 0
(2x + 1)³
(2x + 1)(2x + 1)(2x + 1)
(4x² + 2x + 2x + 1)(2x + 1)
(4x² + 4x + 1)(2x + 1)
(8x³ + 4x² + 8x² + 4x + 2x + 1)
8x³ + 12x² + 6x + 1
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Step-by-step explanation:

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3 years ago
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6 0
3 years ago
6, 3, 4, 7, 3, 7, 8, 5, 7 i. Find the median ii. Find the mean iii. Find the modal mark
4vir4ik [10]

Answer:

i. 6

ii. 5\frac{5}{9}

iii. 7

Step-by-step explanation:

First organize the data from least to greatest.  3,3,4,5,6,7,7,7,8

To find the median, remove the extremes from the data over and over.

3,4,5,6,7,7,7

4,5,6,7,7

5,6,7

6

To find the mean, add all of the numbers and divide by 9

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50/9=5\frac{5}{9}

To find the modal mark, simply find the number present most in the data set: 7(occurs 3 times)

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3 0
3 years ago
What number has 3 ones, 8 tens, and 5 hundreds?
PtichkaEL [24]

Answer:

C: 583

Step-by-step explanation:

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Hope this helps! :)

4 0
2 years ago
Choose the answer that solves the equation:
pentagon [3]
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7 0
3 years ago
Read 2 more answers
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