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Darina [25.2K]
3 years ago
6

Please answer the question I’ll give you brainliest

Mathematics
1 answer:
maria [59]3 years ago
3 0
The missing able is 43 degrees
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In the arithmetic sequence {13, 6,-1,-8,...}, what is the common difference?
guapka [62]
<h3>Answer:  -7</h3>

Explanation:

Pick any term. Subtract off the previous one to find the common difference.

  • term2 - term1 = 6-13 = -7
  • term3 - term2 = -1-6 = -7
  • term4 - term3 = -8-(-1) = -8+1 = -7

And so on. You only need to pick one of those to show as your steps to your teacher. However, doing all three subtractions is a good way to get practice in seeing how we have an arithmetic sequence. The common difference must be the same each time.

We subtract 7 from each term to get the next term, i.e. we add -7 to each term to get the next one.

6 0
2 years ago
Li Wei has several streams of income, as shown in the table. Some streams are active income and some are passive.
WARRIOR [948]

Based on the streams of income that Li Wei has, we can calculate that he has a total passive income of <u>$3,010.</u>

Passive income refers to income that is made without a person actively involving themselves in the activity generating the income.

In this scenario, the passive income sources are:

  • Stock dividends
  • Business investment interest
  • Royalties from a novel

Total passive income therefore is:

= 530 + 1,080 + 1,400

= $3,010

In conclusion, the total passive income is $3,010.

<em>Find out more at brainly.com/question/1246309. </em>

3 0
3 years ago
The dean of admissions in a large university has determined that the scores of the freshman class in a mathematics test are norm
Tema [17]

Answer:

1

Step-by-step explanation:

We know that the mathematics test scores are normally distributed with mean μ=82 and standard deviation σ=8.

We know that the central limit theorem states that a selected sample from a normal distribution with mean μ and standard deviation σ is also normally distributed with mean μxbar and standard deviation σxbar.

Also , the sample mean of sampling distribution is μxbar=μ, where μ is population mean.

The standard deviation of sampling distribution is σxbar=σ/√n where n is the sample size and σ is population standard deviation.

The given sample size=n=64.

So, the required standard deviation of sampling distribution is

σxbar=σ/√n

σxbar=8/√64

σxbar=8/8

σxbar=1.

6 0
3 years ago
Evaluate this expression for a= 3 and b= 4.<br><br> A.6 B.9 C.11 D.18
Vedmedyk [2.9K]
The expression isn’t there I can’t answer it.
4 0
4 years ago
Read 2 more answers
True or false questions
Mashutka [201]
F T. T. T.
--------------------
8 0
3 years ago
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