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Irina-Kira [14]
3 years ago
8

Can someone help me with this

Mathematics
2 answers:
Serjik [45]3 years ago
8 0

Answer:

1, 4, 9, 16,25, 36, 49, 64, 81, 100, 121, 144

Step-by-step explanation: hope it helps

PtichkaEL [24]3 years ago
5 0

Answer:

1, 4, 9, 16, 25, 36

Step-by-step explanation:

Hi! So when you're looking at questions like these, you're normally going to want to find a pattern. So lets look at this problem. When you jump from the number 1 to the number 4, you increase by 3. When you jump from the number 4 to the number 9, you increase by 5. When you jump from the number 9 to the number 16, you increase by 7.

Based on this information, you can conclude that the pattern is that it is increasing by odd numbers, and the odd number is increasing by 2 each time.

Now that we know the information, we can start finding the next terms. Since the jump from 9 to 16 was 7, we know that the next number is going to be 9 away from 16, which is 25.

Now that we have that term, we can find the next. We know that the jump from 16 to 25 is 9, so we know that the next term will be 11 away from 25, which is 36.

You could keep doing this forever.

Hope this helps!!

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In a experiment on relaxation techniques, subject's brain signals were measured before and after the relaxation exercises with t
yKpoI14uk [10]

Answer:

There is no sufficient evidence to suggest that the relaxation exercise slowed the brain waves

Step-by-step explanation:

Given that in a  experiment on relaxation techniques, subject's brain signals were measured before and after the relaxation exercises with the following results:

The population is normally distributed

This is a paired t test since sample size is very small and same population under two different conditions studied.

H_0: \bar x-\bar y =0\\H_a: \bar x >\bar y

(Right tailed test)

Alpha = 5%

x y Diff

32 26 6

38 36 2

66 59 7

49 52 -3

29 24 5

 

Mean 3.4

Std dev 4.037325848

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n =5

Std deviation for difference = 4.037326

Test statistic t = mean difference / std dev for difference

= 1.883

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There is no sufficient evidence to suggest that the relaxation exercise slowed the brain waves

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