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Elza [17]
3 years ago
9

Simplify 3x^5 times 5x^3 can someone help please

Mathematics
1 answer:
frutty [35]3 years ago
8 0

Answer:

15x^8

Step-by-step explanation:

multiply the bases and add the exponents

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10

Step-by-step explanation:

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A sample of small bottles and their contents has the following weights (in grams): 4, 2, 5, 4, 5, 2, and 6. What is the sample v
Inessa05 [86]

Answer:

What is the sample variance of bottle weight 2.33

Step-by-step explanation:

First find the mean. The mean of the bottle weight is obtained by taking the ratio of the sum of ages and total number of ages.

Mean = (4+2+5+4+5+2+6) / 7

          = 28 / 7

          = 4

Sample Variance = \frac{\left[\begin{array}{ccc}(4-4)^{2} +(2-4)^{2} +\\(5-4)^{2} + (4-4)^{2} +\\(5-4)^{2} + (2-4)^{2} +\\(6-4)^{2}\end{array}\right]}{7-1}

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                             = 2.33

3 0
3 years ago
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Vikentia [17]

Answer:

Step-by-step explanation:

a) 14x

b)-40c

c)8n

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