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1 year ago

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

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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:

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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.

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

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2 years ago