2 years ago

Describe the interval(s) on which the function is continuous. (enter your answer using interval notation.)f(x) = xx + 6

Mathematics

1 answer:

Verdich [7]2 years ago

6 0

F(x)=xx+6 = 1(x) =xx+7

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How do you solve 57.82 divided by 0.784

lys-0071 [83]

Answer:

Step By Step Explanation!-

57.82

0.784

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57820

784

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73.75

57.82

0.784

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73.75

4 0

2 years ago

A city doubles its size every 12 years. If the population is currently 500,000, what will the population be in 24 years?

vesna_86 [32]

2,000,000 because 24/12 is 2 so you double it twice

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2 years ago

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The shape of the distribution of the time required to get an oil change at a 10 minute oil change facility is unknown. However,

lyudmila [28]

Answer:

The answer is below

Step-by-step explanation:

a) For a normal model the sample size has to be equal or greater than 30 so that it can be a normal distribution.

b) Given that:

μ = 11.2 minutes, σ = 4.8 minutes, n = 45

The z score determines how many standard deviations the raw score is above or below the mean. It is given by:

$z=\frac{x-\mu}{\sigma} \\For\ a\ sample\ size(n)\\z=\frac{x-\mu}{\sigma/\sqrt{n} }$

For x < 10 minutes

$z=\frac{x-\mu}{\sigma/\sqrt{n} }\\\\ z=\frac{10-11.2}{4.8/\sqrt{45} }= -1.68$

Therefore from the normal distribution table, P(x < 10) = P(z < -1.68) = 0.0465

7 0

3 years ago

What is -9 times 4/3<br><br> In simplest form

andre [41]

-9/1*4/3=-36/3
-36/3 is known as -12. The answer is -12.

8 0

2 years ago

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What is the slope of the line that passes through the points (-2, 7) and (2,-5)?

Deffense [45]

Answer:

Denote that line: y = ax + b

Line passes (-2, 7) and (2,-5):

=> -2a + b =7

=> 2a + b = -5

Add both side of above equations:

=> 2b = 2

=> b = 1

=> a = (-5 - 1)/2 = -3

=> Slope a = -3

Hope this helps!

4 0

2 years ago