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marin [14]
2 years ago
10

If a1 = 3 and an = (an-1)^2+4 then find the value of a4

Mathematics
1 answer:
NeX [460]2 years ago
8 0

Answer:

Here is the ans hope it helps:)

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Iq scores are normally distributed with a mean of 100 and a standard deviation of 15 what is the probability that a randomly sel
a_sh-v [17]
So we are given the mean and the s.d.. The mean is 100 and the sd is 15 and we are trying the select a random person who has an I.Q. of over 126. So our first step is to use our z-score equation:

z = x - mean/s.d.

where x is our I.Q. we are looking for

So we plug in our numbers and we get:

126-100/15 = 1.73333

Next we look at our z-score table for our P-value and I got 0.9582

Since we are looking for a person who has an I.Q. higher than 126, we do 1 - P. So we get

1 - 0.9582 = 0.0418

Since they are asking for the probability, we multiply our P-value by 100, and we get 

0.0418 * 100 = 4.18%

And our answer is

4.18% that a randomly selected person has an I.Q. above 126
Hopes this helps!
6 0
3 years ago
What does c equal in this equation 6c + 11 = 2c + 59
irinina [24]
Combine like terms you would get 4c=48 then divide it by 4 you'll get c=12
8 0
3 years ago
12w - 27 = -34 + 14w
Readme [11.4K]

Answer:

the answer is in fact 7/2

6 0
3 years ago
Read 2 more answers
Which is the stretch of an exponential growth function?
BartSMP [9]
The answer is f(x) = 3/2(3/2)^x. Hope this helps
7 0
3 years ago
Thank you very much for your help!
Kobotan [32]
For a.
x^2+y^2=25

For b.
(x-4)^2+(y-3)^2=25

For c.
(x-5)^2+(y-4)^2=9


Hope that helps
5 0
3 years ago
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