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Zigmanuir [339]
3 years ago
10

Find the next three terms of the arithmetic sequence. a) 9, 12, 15, ... b) 288, 252, 216, ...

Mathematics
2 answers:
Tatiana [17]3 years ago
6 0

For a) The pattern seems to be adding up by three, so you do that to find the next three terms: 18, 21, 24

For b) The pattern is subtracting by 36, so subtract by 36 three more times to get: 180, 144, and 108

Sorry if I made any mistakes, currently on mobile.

Harlamova29_29 [7]3 years ago
4 0

Answer:

a) 18,21,24

b)180, 144, 108

Step-by-step explanation:

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The maximum acceptable level of a certain toxic chemical in vegetables has been set at 0.4 parts per million (ppm). A consumer h
Elodia [21]

Answer:

Null hypothesis : \mu \leq 0.4

Alternative hypothesis: \mu >0.4

And for this case a type of error I for this case would be reject the null hypothesis that the population mean is lower or equal than 0.4 when actually is true.

A Type I error would occur if, in fact, μ ≤ 0.4 ppm, but the results of the sampling lead to the conclusion that μ > 0.4 ppm

Step-by-step explanation:

Previous concepts

A hypothesis is defined as "a speculation or theory based on insufficient evidence that lends itself to further testing and experimentation. With further testing, a hypothesis can usually be proven true or false".  

The null hypothesis is defined as "a hypothesis that says there is no statistical significance between the two variables in the hypothesis. It is the hypothesis that the researcher is trying to disprove".  

The alternative hypothesis is "just the inverse, or opposite, of the null hypothesis. It is the hypothesis that researcher is trying to prove".  

Type I error, also known as a “false positive” is the error of rejecting a null  hypothesis when it is actually true. Can be interpreted as the error of no reject an  alternative hypothesis when the results can be  attributed not to the reality.  

Type II error, also known as a "false negative" is the error of not rejecting a null  hypothesis when the alternative hypothesis is the true. Can be interpreted as the error of failing to accept an alternative hypothesis when we don't have enough statistical power

Solution to the problem

For this case we are trying to check the following hypothesis:

Null hypothesis : \mu \leq 0.4

Alternative hypothesis: \mu >0.4

And for this case a type of error I for this case would be reject the null hypothesis that the population mean is lower or equal than 0.4 when actually is true.

A Type I error would occur if, in fact, μ ≤ 0.4 ppm, but the results of the sampling lead to the conclusion that μ > 0.4 ppm

7 0
3 years ago
Factor: 2x2 - 11x - 40?​
galben [10]

Answer: 444

Step-by-step explanation:

2x2 - 11x - 40= 444

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andrew-mc [135]

Answer:

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Step-by-step explanation:

The formula to find a Celsius temperature from Fahrenheit is: °F = (°C × 9/5) + 32. Insert 22 for °C and solve.

7 0
2 years ago
Please help I’ll mark Brainly please read the ? Before you answer it don’t say solve
Komok [63]

Answer:

6v+10

Step-by-step explanation:

hope this helped

can also write 6*v+10

4 0
3 years ago
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It’s the last one! :)

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