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3 years ago

Properties of the normal distribution include?

Mathematics

1 answer:

V125BC [204]3 years ago

6 0

Answer:

Properties of a normal distribution

The mean, mode and median are all equal.

The curve is symmetric at the center (i.e. around the mean, μ).

Exactly half of the values are to the left of center and exactly half the values are to the right.

The total area under the curve is 1.

Step-by-step explanation:

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A cyclist travelled 4 miles in 15 minutes. What is her average speed in mph?

avanturin [10]

Answer:

16 Miles/Hours

Step-by-step explanation:

Average speed is the total distance covered divided by the total time

In that case we have a distance of 4 miles

Time is 15 minutes and in order to convert from minutes to hours we divide by 60 and it becomes 0.25 hours

So 4/0.25 is 16 Miles/Hours

8 0

3 years ago

What are the solutions to 3x^2+13x=10?

Mars2501 [29]

Answer:

Step-by-step explanation:

i hope these help

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2 years ago

(5,6) (3,3) make a graph

Oxana [17]

I’m not sure if you are talking about about this but here it is hope this helps.

8 0

3 years ago

Leon is using the recipe shown.

stira [4]

He will use 11 and half cups of olive oil to use with 1 teaspoon of cinnamon.

Step-by-step explanation:

Given,

Olive oil used in recipe = 23 cups

Cinnamon used in recipe = 2 teaspoons

Ratio of cinnamon to olive oil in recipe = 2:23

Cinnamon Leon has = 1 teaspoon

Let x be the olive oil.

Ratio of available cinnamon to olive oil = 1:x

Using proportion;

Ratio of cinnamon to olive oil in recipe :: Ratio of available cinnamon to olive oil

$2:23::1:x$

Product of extreme = Product of mean

$2*x=23*1\\2x=23$

Dividing both sides by 2;

$\frac{2x}{2}=\frac{23}{2}\\x=11.5$

11.5 can also be written as $11\frac{1}{2}$

He will use 11 and half cups of olive oil to use with 1 teaspoon of cinnamon.

Keywords: ratio, proportion

Learn more about ratios at:

#LearnwithBrainly

3 0

3 years ago

1 point

masha68 [24]

Answer:

$4.25

Step-by-step explanation:

According to the question,she paid $0.25 for one day overdue,

So she kept the book for 17 days so we are to determine the amount he paid for the overdue

1 day=$0.25

17 days=x

Cross multiply

x=17×0.25

x=4.25

So she will have to pay $4.25 for 17 days overdue

6 0

3 years ago