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Sever21 [200]
1 year ago
7

Given f of x is equal to 2 divided by the quantity x squared plus 3x minus 10 end quantity, which of the following is true?

Mathematics
1 answer:
BigorU [14]1 year ago
7 0

Step-by-step explanation:

hope you can understand

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To estimate the mean of a population with unknown distribution shape and unknown standard deviation, we take a random sample of
Naddika [18.5K]

Answer:

t_{critical} = \pm 1.7793                        

Step-by-step explanation:

We are given the following in the question:

Sample size, n = 64

Sample mean = 22.3

Sample standard deviation = 8.8

We want to estimate 92% confidence interval.

92% Confidence interval:  

\bar{x} \pm t_{critical}\displaystyle\frac{s}{\sqrt{n}}  

Putting the values, we get,

Degree of freedom = n - 1 = 63

t_{critical}\text{ at degree of freedom 63 and}~\alpha_{0.01} = \pm 1.7793  

22.3 \pm 1.7793(\dfrac{8.8}{\sqrt{64}} ) = 22.3 \pm 1.95723 = (20.34,24.26)

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3 years ago
Given a right triangle, If tan aq=3/4, what is the length of the side adjacent to aq?
olasank [31]
Tan = o/a and = 3/4 so the opposite is 3 and the adjacent is 4
8 0
3 years ago
Days 1,2,3,4 cost to rent a truck 29,47,65,83
wlad13 [49]

Answer: It cost 8$ for the truck

Step-by-step explanation:

6 0
2 years ago
48/50 - 20/25 please Answer this ASAP please
Anuta_ua [19.1K]

Answer:

0.16

Step-by-step explanation:

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2 years ago
If 3x+54+(65 × 32)+ 902- (43/12) =y, then what is y?
IceJOKER [234]

Answer:

We cannot solve without a value for x. The simplified form is 3x+\frac{36,389}{12} =y

Step-by-step explanation:

If the equation is 3x+54+(65)(32)+902-\frac{43}{12}=y then we cannot solve it until we know the value of x. We can simplify it using order of operations such as PEMDAS.

3x+54+(65)(32)+902-\frac{43}{12}=y \\3x+54+2,080+902-\frac{43}{12}=y \\3x+3,036-\frac{43}{12}=y \\3x+\frac{36,432}{12} -\frac{43}{12} =y\\3x+\frac{36,389}{12} =y

6 0
2 years ago
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