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GuDViN [60]
2 years ago
9

Simplify the Polynomial and please show your work so I can do more on my own.

Mathematics
1 answer:
zheka24 [161]2 years ago
7 0

Answer:

no

Step-by-step explanation:

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An Urn contains two white marbles and one black marble. A marble is drawn from the Urn without replacement and put aside without
algol [13]

Answer:

Step-by-step explanation:

No. Of white marble n(W) = 2

No. Of black marble n(B) = 1

Total no. Of marble N = 2 + 1 = 3

Prob(1st is white) = n(W)/N = 2/3

Prob(1st is black) = n(B)/N = 1/3

4 0
3 years ago
PLEASE HELP ME!
algol13

Step-by-step explanation:

1.\sum_{i=1}^{5}3i

The simplest method is "brute force".  Calculate each term and add them up.

∑ = 3(1) + 3(2) + 3(3) + 3(4) + 3(5)

∑ = 3 + 6 + 9 + 12 + 15

∑ = 45

2.\sum_{k=1}^{4}(2k)^{2}

∑ = (2×1)² + (2×2)² + (2×3)² + (2×4)²

∑ = 4 + 16 + 36 + 64

∑ = 120

3.\sum_{k=3}^{6}(2k-10)

∑ = (2×3−10) + (2×4−10) + (2×5−10) + (2×6−10)

∑ = -4 + -2 + 0 + 2

∑ = -4

4. 1 + 1/4 + 1/16 + 1/64 + 1/256

This is a geometric sequence where the first term is 1 and the common ratio is 1/4.  The nth term is:

a = 1 (1/4)ⁿ⁻¹

So the series is:

\sum_{j=1}^{7}(\frac{1}{4})^{j-1}

5. -5 + -1 + 3 + 7 + 11

This is an arithmetic sequence where the first term is -5 and the common difference is 4.  The nth term is:

a = -5 + 4(n−1)

a = -5 + 4n − 4

a = 4n − 9

So the series is:

\sum_{j=1}^{5}(4j-9)

5 0
3 years ago
Multiply untegers and divide integers
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Multiply untegers and divide integers?
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3 years ago
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The sum of 4 consecutive odd number is 40. What is the greatest of the 4 numbers?
Helen [10]
13 because

13+11+9+7=40
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3 years ago
89,659 to the nearest thousand
zubka84 [21]
90,000 is the answer.
8 0
2 years ago
Read 2 more answers
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