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3 years ago

PLZ NEED ANSWER NOW WILL MARK BRAINLIEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics

2 answers:

IgorLugansk [536]3 years ago

6 0

Answer:

the answer is the car and the movie

Step-by-step explanation:

just did it

Thepotemich [5.8K]3 years ago

3 0

Answer:

Option C and E

Step-by-step explanation:

A linear function is represented by a straight line when graphed.

Linear function means a straight line with uniform rate of change.

A. The temperature rises and falls means rate of change is not uniform. So the function representing temperature as a function of time is not a linear function.

B. A base ball was hit into outfield which achieved maximum height but goes down. So rate of change in height is not uniform so function representing height as a function of time is not linear.

C. Car goes 55 mph on the highway so change in distance with respect to time will be a linear function.

D. A child grew 2 inches this year and 1 inch last year so rate of change in height will not be a linear function.

E. Movie director makes 2 movies per year. The number of movies represented by a function in terms of years will be linear showing a straight line.

Option C and E are correct.

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3 years ago

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The life of a manufacturer's compact fluorescent light bulbs is normal, with mean 12,000 hours and standard deviation 2,000 hour

vitfil [10]

Z value is a numerical measurement that describe a value relationship to the mean of a group of values. The standard deviations is 1.25 above the mean is 14,500 hours.

<h3>Given information-</h3>

The mean for the bulb is 12,000 hours.

The standard deviation for the bulb is 2000 hours.

Sample value is 14500.

To find out the how many standard deviation is 14500 mean away from the mean the z value of the mean should be calculated.

<h3>Z value</h3>

Z value is a numerical measurement that describe a value relationship to the mean of a group of values. Z value is the ratio of the difference of the sample value $x$ and mean $\mu$ to the standard deviation. Thus the z value for the given mean $\sigma$ is,

$z=\dfrac{x-\mu}{\sigma}$

$z=\dfrac{14500-1200}{2000}$

$z=1.25$

Thus the standard deviations is 1.25 above the mean is 14,500 hours.

Learn more about the z value here;

brainly.com/question/62233

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3 years ago

What is the area of a triangle that has a

almond37 [142]

Answer:

A. 45 in

Step-by-step explanation:

To find area you multiply length and width so you would multiply 9 and 10 but since it is a triangle you would divide by two

Hope this helps!

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3 years ago

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Explain the steps in finding the midpoint of the points (-1,2) and (3,-6). The state the midpoint

blondinia [14]

Answer:

(1, -2)

Step-by-step explanation:

midpoint x = (x₁ + x₂) / 2

midpoint y = (y₁ + y₂) / 2

$(\frac{-1 + 3}{2} , \frac{2 + -(6)}{2} )$

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3 years ago

HELP!!! Describe at least two differences between constructing an inscribed regular hexagon and constructing an inscribed square

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2 years ago