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Travka [436]
3 years ago
6

What is the constant difference for a hyperbola with foci (-3.5, 0) and (3.5, 0) and a point on the hyperbola (3. 5, 24)?

Mathematics
1 answer:
OLga [1]3 years ago
8 0
I do not understand the question
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Slope: ( -1, 5 ) and ( 2, -3 ).
velikii [3]

Slope of a line passing through these two points is \frac{-3-5}{2-(-1)}=-\frac{8}{3}.

Hope this helps.

6 0
3 years ago
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Suppose the life of a particular brand of calculator battery is approximately normally distributed with a mean of 75 hours and a
Orlov [11]

Answer:

idek

Step-by-step explanation:

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Which graph shows the line y = -3x + 1​
Nikolay [14]
Line B

Explanation:

The slope is negative so the line is going to the left. The y-intersect is 1.
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What is 9,276 divided by 8
mamaluj [8]
9,276÷8=1,159.5 i hope i helped you i am a 3rd grader
6 0
3 years ago
According to a recent study of 7335 young people in the US, 30% had been arrested for a crime other than a traffic violation by
victus00 [196]

Answer:

a) Statistic.

b) The population proportion is expected to be between 0.29 and 0.31 with a 94% degree of confidence.

Step-by-step explanation:

a) The proportion of 30% is a statistic, as it is a value that summarizes data only from the sample taken in the study from USA Today. Other samples may yield different proportions.

b) We can use the statistic to estimate a confidence interval for the parameter of the population.

The standard error for the proportion is calculated as:

\sigma_p=\sqrt{\dfrac{p(1-p)}{N}}=\sqrt{\dfrac{0.3\cdot 0.7}{7335}}=\sqrt{2.83\cdot10^5}= 0.00535

The margin of error is 0.01. We can use this value to determine the level of confidence that represents.

The formula for the margin of error is:

E=z\cdot \sigma_p=0.01\\\\z\cdot 0.0535=0.01\\\\z=1.87

This z-value, according to the the standard normal distribution, corresponds to a confidence interval of 94%.

The interval for this margin of error is:

p-E\leq \pi \leq p+E\\\\0.30-0.01\leq \pi \leq 0.30+0.01\\\\0.29\leq \pi \leq 0.31

Then, we can conclude that the population proportion is expected to be between 0.29 and 0.31 with a 94% degree of confidence.

3 0
3 years ago
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