Deviation from the mean for 173

Mathematics

1 answer:

devlian [24]4 years ago

3 0

Do you mean to find the Mean of this number or what?

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Column A

Viefleur [7K]

The slope m of a line passing through points P(a, b) and Q(c, d) is found using the formula:

$m= \frac{b-d}{a-c}$ .

Thus, the slope in A is $m= \frac{12-2}{-4-(-10)}=\frac{10}{6}=\frac{5}{3}$ .

The slope in B is $m= \frac{-4-10}{6-18}=\frac{-14}{-12}=\frac{7}{6}$ .

Now, to compare 7/6 to 5/3, we can write the second fraction as 10/6.

So, the slope in A is larger than the slope in B.

Answer: A

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3 years ago

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List two advantages of buying and two advantages of renting

Ede4ka [16]

Here are your answers: Renting: 1. When you rent something you will have for a good amount of time. 2. When you rent something you have control over it since you rented it with your money. Buying: 2, You get to keep it forever. 3. you can sell it for more so you can make a profit to buy something else.

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3 years ago

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PLEASE ANSWER ASAP!!!!!!!!!!!!!!!!!!!!!!

agasfer [191]

The answer should be B. Hope this helped

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3 years ago

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Margot is trying to decide between cable and satellite TV. Cable has a package of $49.99 a month for the basic package, plus $9.

VashaNatasha [74]

The cost of cable (c) in terms of months (m) is
c = (49.99 +9.95 +9.95 -10.00)m
c = 59.89m

The cost of satellite TV (s) in terms of months is
s = 125.00 +49.95m

The difference in price is ...
s - c = (125 +49.95m) -(59.89m)
s - c = 125 -9.94m

At 12 months, the difference in price is
s - c = 125 -9.94*12 = 5.72
This number is positive, which means ...
the Cable company will save Margot money over a 12-month period.

At 24 months, the difference in price is
s - c = 125 -9.94*24 = -113.56
This number is negative, which means ...
the Satellite TV company will save Margot money over a 24-month period.

_____
A graph of the costs shows a cross-over at 12.5 months. Until then, the Cable provider is less expensive. Over terms longer than that, the Satellite TV provider is less expensive.

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3 years ago

Is this a function? please explain if possible...

zlopas [31]

It is a function. Every x value is different.

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2 years ago