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Nikitich [7]
2 years ago
12

The first term of the sequence is -9 and the common ratio is -2

Mathematics
1 answer:
Alja [10]2 years ago
8 0

Answer:

2nd \: term =  - 9 + ( - 2) \\  =  - 11 \\ 3rd \: term =  - 11 +(  - 2) \\  =  - 13 \\ 4th \: term =  - 13 + ( - 2) \\  =  - 15 \\  \\ ..........

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The number of hours a lightbulb burns before failing varies from bulb to bulb. The population distribution of burnout times is s
liubo4ka [24]

ANSWER:

The average burnout time of a large number of bulbs has a sampling distribution that is close to Normal.

STEP-BY-STEP EXPLANATION:

The cental limit theorem states, that id the sample size is large (30 or more), then the sampling distribution of the sample means is approximately normal with mean ц and standar deviation б/\sqrt{n}

Thus the correct answer is the average burnout time of a large number of bulbs has a sampling distribution that is close to Normal.

6 0
3 years ago
Explain how to find the estimated sum of 5/8+2/9 . Make sure to include at least one type of model.
OverLord2011 [107]
In this expression you would have to use the PEMDAS method. First divide, so (5 divided by 8) + (2 divided by 9). 
The answer you would get is: (0.625) + (0.222)
The final answer is: 0.847

8 0
3 years ago
Help ASAP ill mark brainliest
Klio2033 [76]

Answer:

54:73

Step-by-step explanation:

There is more 54's then any other number

73 is the median

6 0
2 years ago
Calculate the average rate of change of f(x) = 1 x - x2 - 2 for 3 ≤ x ≤ 6. A) -163 18 B) -18 163 C) 163 18 D) 18 163
larisa86 [58]
To solve this we are going to use the average rate of change formula: A(x)= \frac{f(b)-f(a)}{b-a}
where
A(x) is the average rate of change of the function
f(a) is the position function evaluated at a
f(b) is the position function evaluated at b
a is the first point in the interval
b is the second point in the interval

We can infer for our problem that the first point is 3 and the second point is 6, so a=3 and b=6. Lets replace those values in our formula:
A(x)= \frac{f(b)-f(a)}{b-a}
A(x)= \frac{f(6)-f(3)}{6-3}
A(x)= \frac{6-6^2-2-(3-3^2-2)}{3}
A(x)= \frac{-32-(-8)}{3}
A(x)= \frac{-32+8}{3}
A(x)= \frac{-24}{3}
A(x)=-8

We can conclude that the average rate of change of the function f(x) = 1 x - x2 - 2 for <span>3 ≤ x ≤ 6 is -8</span>
3 0
3 years ago
Read 2 more answers
Lara has 75 magazines She sells them for $3 each this situation is modeled by y=3x whereby is the amount of money she makes and
drek231 [11]
Hello!

Since she can not make negative money and the maximum amount of money she can make is 225 so the domain is

0 \leq x \leq 225

Hope this helps!
4 0
3 years ago
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