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3 years ago

Which is the slope of for (-5,9) and (-5,-5).

Mathematics

2 answers:

Drupady [299]3 years ago

7 0

C) Undefined

formula: y-y/x-x

9--5= 9+5=14

-5--5= -5+5= 0

14/0

you can't divide by 0 so it's undefined

____ [38]3 years ago

6 0

So the right answer is undefined.

Look at the attached picture

Hope it will help you..

Good luck on your assignment

~pragya

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The Energy Information Administration records the price of electricity in the United State each month. In July 2013, the average

saw5 [17]

Answer:

89% of the time that average price of electricity is expected to be in the interval from 5.62 cents per kw-h to 18.22 cents per kw-h

Step-by-step explanation:

Chebyshev's inequality states that:

When K = 2, 75% of the data is within two standard deviations of the mean

When K = 3, 89% of the data is within 3 standard deviations of the mean

In this problem, we have that:

Mean = 11.92 cents per kw-h

Standard deviation = 2.1 cents per kw-h

What can you determine about these data by using Chebyshev's Inequality with K=3?

3 standard deviations below the mean

11.92 - 3*2.1 = 5.62 cents per kw-h

3 standard deviations above the mean

11.92 + 3*2.1 = 18.22 cents per kw-h

So you can determine that 89% of the time that average price of electricity is expected to be in the interval from 5.62 cents per kw-h to 18.22 cents per kw-h

6 0

3 years ago

Suppose the x-intercept of f(x) is (p,0) and the x-intercept of g(x) is (q,0). What is the value of p+q?

zubka84 [21]

Answer:

im pretty sure its -1 because thats the answer i had before my answers didnt save n the same test you had. im not 100 percent sure though

Step-by-step explanation:

7 0

3 years ago

A high speed elevator can rise 480 feet in 30 seconds. which expression represents the rate, in feet per minute, of the elevator

AleksAgata [21]

R = 960x ft/min

Explaination : 960 is the rate at which the elevator will rise in a minute, while the 'x' represents the amount of minutes passed. Finally the label in the end clarify the units of measure.

4 0

3 years ago

The table shows how much money Edguardo earns as a golf coach. He charges a flat fee of $38, plus $22 per hour. Complete the tab

Vesnalui [34]

Let's re-read the statement and question, and then break it down.
He charges a flat fee of $38, plus $22 per hour.
A flat fee of $38 is only a one-time pay, and will never be paid for again.
This means if after two hours, we only add $38 once overall, never more.
Every hour that goes by, he earns $22 each hour.
Now that we've broken this down, we can make an equation.
Let's do 1 hour.
1(22) + 38 = 22 + 38, = 60.
For 1 hour he earns $60.
Let's do 2 hours.
2(22) + 38 = 44 + 38, = 82.
For 2 hours he earns $82.
Let's do 3 hours.
3(22) + 38 = 66 + 38, = 104.
For 3 hours he earns $104.
Let's do 4 hours.
4(22) + 38 = 88 + 38, = 126.
For 4 hours he earns $126.
This is a pattern.
Now let's do 8 hours, which is the main question, "How much does he make in 8 hours?".
8(22) + 38 = 176 + 38, = 214.
For 8 hours he earns $214.
I hope this helps!

4 0

3 years ago

Read 2 more answers

Jacob Lee is a frequent traveler between Los Angeles and San Diego. For the past month, he wrote down the flight times in minute

valkas [14]

Solution :

We know that

$H_0: \mu_1 = \mu_2=\mu_3$