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Mila [183]
3 years ago
14

The local Toyota dealership pays an average of $9,260 with a standard deviation of $1099 for used car trade-ins. They sell new c

ars at an average of $28,451 with a standard deviation of
$3392. Assume independence of new car and trade-ins. What are the mean and standard
deviation of the revenue this dealership should expect when a person trades in a car and purchases a new one?

Mathematics
1 answer:
Flauer [41]3 years ago
3 0

Answer:

B i think

Step-by-step explanation:

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A decimal is a number that can't be divided easily

Step-by-step explanation:

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If the measure of angle 2 is 125 degrees, find the measure of angle 3.PLS HELP
Tpy6a [65]
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2 years ago
T/2 = 18/t <br> what is t
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James had $200 he wanted to buy a pen which cost $5 how many pens can he buy?
liq [111]
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3 0
3 years ago
The radius of a circular puddle is growing at a rate of 25 cm/sec.
tatiyna

Answer:

Step-by-step explanation:

a)area A=pi r^2

rate of change of area =dA/dt =2 pi r dr/dt

given dr/dt =25 ,r =50

rate of change of area =dA/dt =2 pi *50 *25 =2500pi=7854

area growing 7854 cm2/s

b)area A=pi r^2

rate of change of area =dA/dt =2 pi r dr/dt

given dr/dt =25 ,A =64

pi r^2 =64

=>r =8/√pi

rate of change of area =dA/dt =2 pi *(8/√pi) *25 =400√pi=708.98

area growing 708.98 cm2/s

8 0
3 years ago
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