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3 years ago

Probability and Statistics matching help!!!

Mathematics

2 answers:

Hunter-Best [27]3 years ago

8 0

Answer:

Step-by-step explanation:

*correlation: an increase in the birth rate and a decrease in the death rate

*no relationship: an increase in the urban bird population and in increase in airplane accidents

*causation: a decrease in deaths related to heart disease and an increase in air travel

ziro4ka [17]3 years ago

3 0

Correlation: an increase in the birth rate and a decrease in the death rate
no relationship: an increase in the urban bird population and in increase in airplane accidents
causation: a decrease in deaths related to heart disease and an increase in air travel

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A soccer ball is kicked into the air. Its height above the ground can be approximated

Monica [59]

Answer:

See below in bold.

Step-by-step explanation:

a) h = -3t^2 + 15t = 0

-3t(t - 5) = 0

t = 0, 5 are the zeroes of the relation.

b) The ball hits the ground when h = 0 so it is after 5 seconds.

c) The path of the ball is a parabola which opens downwards so the maximum height is when x = 5/2 = at 2.5 seconds.

d) this maximum height is -3(2.5)^2 + 15(2.5) = 18.75 meters.

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3 years ago

What are some of the cities where jazz first developed during the 1920s and 1930s? Why do you think these particular cities beca

Rus_ich [418]

Answer:

Although New Orleans is usually credited with being the birthplace of jazz, similar music also began happening not long after in other cities, including Chicago, Kansas City, and Saint Louis.

Step-by-step explanation:

hope it helps but it is not all the answers .

6 0

3 years ago

Let U = {1, 2, 3, 4, 5, 6, 7, 8}, A =

mr_godi [17]

The equivalent set will be <u>A U B = {1, 2, 4, 5, 6, 8}</u>

<h3>Set theory</h3>

Given the following sets

U = {1, 2, 3, 4, 5, 6, 7, 8},

A ={2, 4, 6},

B = {1, 2, 5, 8},C = {1, 3, 7}

Required sets

A U B

Since union means that we are to write out all the values in the set A and B, hence the equivalent set will be;

A U B = {1, 2, 4, 5, 6, 8}

Learn more on union of sets here: brainly.com/question/2166579

#SPJ1

7 0

1 year ago

Express tan M as a fraction in simplest terms.<br> Help please

kirza4 [7]

Answer:

tan M = $\frac{24}{7}$

Step-by-step explanation:

To obtain tan M we require to find KL

Using Pythagoras' identity in the right triangle.

KL² + LM² = KM²

KL² + 7² = 25²

KL² + 49 = 625 ( subtract 49 from both sides )

KL² = 576 ( take square root of both sides )

KL = $\sqrt{576}$ = 24

Then

tan M = $\frac{opposite}{adjacent}$ = $\frac{KL}{LM}$ = $\frac{24}{7}$

3 0

3 years ago

Use the distributive property to expand (simplify): 4(x + 7)

bazaltina [42]

This is the simplest form 4x+28

8 0

3 years ago