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Alisiya [41]
3 years ago
14

Which line or lines represent direct variation?

Mathematics
1 answer:
Ilya [14]3 years ago
8 0
Perdenicular lines I think
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What is the measure of minor arc MC?
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A minor arc measures less than 180 degrees.
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Please help need answer ASAP
weqwewe [10]
Answered! Good luck!

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Ryan drove 650 miles in 10 hours. If he continues at this constant rate, how far can he travel in 8 hours?
Liono4ka [1.6K]

Answer:

He would travel 520 miles

Step-by-step explanation:

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Determine (a+h) - @) for f(x) = x2 + 5x and simplify.
saul85 [17]

Answer:

f(a+h)-f(a)=2ah+h^2+5h

Step-by-step explanation:

Given function is f\left(x\right)=x^2+5x.

Using that function, we need to determine the value of f(a+h)-f(a).

f\left(x\right)=x^2+5x

f\left(a+h\right)=(a+h)^2+5(a+h)

f\left(a+h\right)=a^2+2ah+h^2+5a+5h

similarly

f\left(a\right)=a^2+5a/tex]Then [tex]f(a+h)-f(a)=(a^2+2ah+h^2+5a+5h)-(a^2+5a)

f(a+h)-f(a)=a^2+2ah+h^2+5a+5h-a^2-5a

f(a+h)-f(a)=2ah+h^2+5h

Hence final answer is f(a+h)-f(a)=2ah+h^2+5h.

4 0
3 years ago
To find the 90% confidence interval for the population standard deviation, you randomly sample with replacement from the origina
vitfil [10]

Answer:

use 5th and the 95th percentile of these values.

Step-by-step explanation:

To find the 90%  confidence interval for the population standard deviation, randomly sample with replacement from the original sample thousands of times. From each new sample, you compute the sample standard deviation.  Using the bootstrap method, we can find the 90%  confidence interval for the population standard deviation,from the values of 5th and the 95th percentile of these values.

So we need to use 5th and the 95th percentile of these values.

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