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kolezko [41]
3 years ago
12

Find the 88 term of the arithmetic sequence 4,-1,-6

Mathematics
1 answer:
tresset_1 [31]3 years ago
8 0

Answer:

an = a1 + d(n - 1)

a88 = 4 + (-5)(88 - 1)

a88 = 4 + (-5)(87)

a88 = 4 - 435

a88 = -431

So, the 88th term of the arithmetic sequence is -431.

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Evaluate the expression
Natalka [10]

Answer: -5

Step-by-step explanation:

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6 0
3 years ago
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True or False:<br> The following system of equations is consistent.
vampirchik [111]

A system of equation is consistent if there is at least one solution. Since this system of equations has a single solution, it is consistent, the answer is true.

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Slader records show that the average life expectancy of a pair of shoes is 2.2 years with astandard deviation of 1.7 years. A ma
Oksanka [162]

Answer:

For every 1000 pairs sold, the manufacturer expect to replace 239 pairs for free.

Step-by-step explanation:

Given:

Mean (μ) = 2.2, Standard deviation(S.D) (σ) = 1.7 years and x = 1 (1 year)

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Z = \frac{x - mean}{S.D}

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To find replaces for 1000 pairs, we need to multiply 23.89% by 1000

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= 239

The cannot be in decimal, when we round off to the nearest whole, we get

239

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3 years ago
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