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svetlana [45]
3 years ago
9

What is the fourth term in the sequence given by a n=5n+3

Mathematics
1 answer:
OverLord2011 [107]3 years ago
3 0
To determine the fourth term, plug 4 into the equation;
n = 5n+3 \\  n_{4} =5(4)+3 \\  n_{4} =20+3 \\ n_{4}=23
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What is the least common multiple of 26 and 39?
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Answer:

78

Step-by-step explanation:

Find the prime factorizations of the two numbers:

26 = 2 * 13

39 = 3 * 13

The LCM is the product of common and not common factors with the higher exponent.

LCM = 2 * 3 * 13 = 78

Answer: 78

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If m = 35 cm and n = 37 cm, what is the length of l?
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mafiozo [28]

Answer:

81.85%

Step-by-step explanation:

Given :

The average summer temperature in Anchorage is 69°F.

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Solution:

Mean = \mu = 69

Standard deviation = \sigma = 7

Formula : z=\frac{x-\mu}{\sigma}

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z=\frac{55-69}{7}

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Hence If the daily temperature is normally distributed with a standard deviation of 7°F, 81.85% of the time would the temperature be between 55°F and 76°F.

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