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Sophie [7]
3 years ago
7

An Arithmetic sentence is shown below 5,1,-3,-7. Which explict formula xan be used to determine the nth tern of the sequence.

Mathematics
1 answer:
Ilya [14]3 years ago
3 0
Im really not sure try photomath.com

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2m-8-m+10 solve it.
Olin [163]

Answer:

m+2

Step-by-step explanation:

Collect like terms

m-8+10

Calculate the term

x+2

Hope this helpsʕ•ᴥ•ʔ

4 0
3 years ago
The number of text messsages that teenagers send per month is normally
ki77a [65]

Answer:

z=\frac{4415-3400}{450}=2.26

And the explanation of this number is:"The number of text messages for Kendra it's 2.26 deviations above the mean"

Step-by-step explanation:

1) Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

2) Calculate the z score

Let X the random variable that represent the number of text messages per month, and for this case we know the distribution for X is given by:

X \sim N(3400,450)  

Where \mu=3400 and \sigma=450

And the best way to solve this problem is using the normal standard distribution and the z score given by:

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

If we apply this formula to our probability we got this:

z=\frac{4415-3400}{450}=2.26

And the explanation of this number is:"The number of text messages for Kendra it's 2.26 deviations above the mean"

6 0
3 years ago
PLZ HELP!!!!!! (WILL GIVE BRAINLIEST!!!!)
nasty-shy [4]
I think you times all of the inchs together. 5x3x2=30.

I dont know if i am right tho. Hope this help ya.
3 0
3 years ago
What is the value of x?<br>45°<br>(2x - 5)°​
vichka [17]

Answer:

50

Step-by-step explanation:

2x25=50-5=45

7 0
3 years ago
Read 2 more answers
Solve for w. <br> 5w+9z=2z+3w
valentina_108 [34]
The answer would be w= 7z/2 Isolate the variable but dividing each side by factors that don’t contain the variable
8 0
3 years ago
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