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gregori [183]
3 years ago
8

Multiply.write product as a mixed number.

Mathematics
1 answer:
MakcuM [25]3 years ago
7 0

Answer: 12x5

Step-by-step explanation:

2 =1 5= 12x5

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The number 3.14 is a rounded value of the mathematical quantity pie. If you replace 3.14 with pie, what is the exact formula for
Oksana_A [137]

Answer:

2pier is the formula for circumference

Step-by-step explanation:

7 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%)

4 0
3 years ago
daniel is using a scale factor of 10 to enlarge a class photo that measures 3.5 inches by 5 inches what are The dimensions Love
Sholpan [36]
35 inches by 50 inches
6 0
2 years ago
Find the surface area of the regular pyramid.
spayn [35]

Answer:

Answer = 93.6

Step-by-step explanation:

frist multipy 9 x 13 to get 117 than divided it by 2 = 58.5, than times it by 3 since there is three sides.

(58.5 x 3 is 175.5)      

Than for the base multipy 7.8 x 9 = 70.2, but since its a tri, divided it by 2 = 35.1.

Add 58.5 and 35.1 to get 93.6

5 0
2 years ago
Read 2 more answers
How do the expressions 72 / 9 and -72/ (-9) compare when they are evaluated?
Artemon [7]

Answer:

D

Step-by-step explanation:

72/9=8

-72/-9=8 because negative/negative=positive.

7 0
3 years ago
Read 2 more answers
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