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kolbaska11 [484]
3 years ago
9

What is 12 14/15 as a decimal

Mathematics
2 answers:
Lina20 [59]3 years ago
8 0
12.9333 Its easy to convert a fraction to a decimal then just add the 12 as a whole number
timama [110]3 years ago
3 0

Answer:

12.93 with a line above the three

Step-by-step explanation:

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A line that includes the point(4, 5)has a slope of 0 .What is its equation in slope-intercept form?
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Answer:

y = 5

Step-by-step explanation:

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5 = b

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Simplify the expression -3z(1.8z-2.2).
alexdok [17]

Answer:

- 5.4z {}^{2}  + 6.6z

Step-by-step explanation:

Given:

-3z(1.8z-2.2)

Solution:

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5 0
2 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%)

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3 years ago
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Answer:

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Step-by-step explanation:

Both are circle equations. One is for area, one is for circumference.

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2 years ago
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