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Art [367]
3 years ago
15

City A has an elevation of 3447 feet above sea level while city B has an elevation of 86 feet below sea level. How much higher i

s City A than City B?
Mathematics
1 answer:
Rainbow [258]3 years ago
7 0
Add both distances to find the total distance between them: 3447+86=3533 ft.
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Find the volume of each figure to the nearest tenth. show your work
DIA [1.3K]

Answer:

Step-by-step explanation:

first, you need to know the formulas for volumes for a sphere, cone, and cube.

sphere volume is defined: V=4/3πr^3

cone volume is defined: V=πr^2(h /3)

cuboid volume is defined: V=lwh

Then just plug in:

sphere volume=4/3π6^3=904.78

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3 years ago
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Step-by-step explanation:

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3 years ago
A car bought for $13,000 depreciates at 15% per year. Use an exponential function to find the value of the car after 5 years.
earnstyle [38]

Answer:

$5768.1

Step-by-step explanation:

Given data

Cost price= $13,000

Depreciation= 15%

Time= 5 years

The expression for the depreciation is given below

A= P(1-r)^t

Substitute

A=13000(1-0.15)^5

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7 0
3 years ago
The time to fly between New York City and Chicago is uniformly distributed with a minimum of 120 minutes and a maximum of 150 mi
lara [203]

Answer:

a) 33.33%)

b) 135 minutes

c) 8.66 min

d) 50%

Step-by-step explanation:

a) the probability for a uniform distribution is

P(b<X<a) = (a-b)/(c-d) , where c and d are the maximum and minimum values

therefore the probability that the flight is more than 140 minutes ( and less than 150 since it is the maximum value)

P(140<X<150) = (a-b)/(c-d) = (150-140)/(150-120) = 10/30 = 1/3 (33.33%)

b) the mean (expected value) for a uniform probability distribution is

E(X) = (c+d)/2 = (120+150)/2 = 135 minutes

c)  the standard deviation for a uniform probability distribution is

σ²(X)= (c-d)²/12 = (150-120)²/12 = 75 min²

σ = √75 min² = 8.66 min

b) following the same procedure as in a)

P(120<X<135) = (a-b)/(c-d) = (135-120)/(150-120) = 15/30 = 1/2 (50%)

4 0
3 years ago
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