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vlabodo [156]
3 years ago
7

Distance between the points(10,8) and (2,2)

Mathematics
2 answers:
Rzqust [24]3 years ago
8 0
The distance between is (8,6).
Artist 52 [7]3 years ago
7 0

Answer:

d = 10

Step-by-step explanation:

d = sqrt [(x-x)^2 + (y-y)^2]

d = sqrt [(10-2)^2 + (8-2)^2]

d = sqrt (64 + 36)

d = sqrt 100

d = 10

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5 0
3 years ago
What's the range of this function graph​
vichka [17]

Answer:

[2,∞)

Step-by-step explanation:

The range is the y intercept and the function starts at 2 and continues going up causing the range of the function to be [2,∞)

5 0
3 years ago
What function is represented below?
Paladinen [302]
By graphing the given options as shown in attached figure
<span>f(x) = (1/4)^x+2   ⇒⇒⇒⇒ The black graph
f(x) = (1/4)^x +2  </span><span>⇒⇒⇒⇒ The red graph
</span> f(x) = (1/4)^x-2    <span><span>⇒⇒⇒⇒ The blue graph
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</span>

The correct answer will be the blue graph

f(x) =   (\frac{1}{4})^{(x-2)}



4 0
3 years ago
Read 2 more answers
Which fraction is equivalent to -6.19
Nikitich [7]

Answer:

= -6 19/100  (as a mixed fraction)

or

= -619/100 (as a improper fraction)

Step-by-step explanation:

-6.19

= -6 19/100  (as a mixed fraction)

or

= -619/100 (as a improper fraction)

4 0
3 years ago
A consumer group selected 100 different airplanes at random from each of two large airlines. The mean seat width for the 100 air
Novay_Z [31]

Answer:

Decreasing the sample size decreases the width of the confidence interval.

Step-by-step explanation:

-Let s be the sample standard deviation and \bar X be the sample mean.

#We calculate the 95% confidence interval for the sample size 100 as below:

\bar X\pm z_{0.05/2}\frac{s}{\sqrt{n}}\\\\\\=\bar X\pm 1.960\times\frac{s}{\sqrt{50}}\\\\\\=\bar X\pm 0.1960s

#we then calculate the confidence interval of sample size =50 and of similar mean and standard deviation:

\bar X\pm z\frac{s}{\sqrt{n}}\\\\\\=\bar X\pm z_{0.05/2}\times\frac{s}{\sqrt{n}}\\\\\\=\bar X\pm1.960\times \frac{s}{\sqrt{50}}\\\\\\\\=\bar X\pm0.2772s

#Notice that the smaller sample(n=50) has a narrower confidence interval.

Hence, decreasing the sample size decreases the width of the confidence interval.

6 0
3 years ago
Read 2 more answers
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