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3 years ago

I need the equation not the answer please! 12-4 3/8

1 answer:

6 0

$12-4\frac{3}{8}=11\frac{8}{8}-4\frac{3}{8}=7\frac{5}{8}$
or
$12-4\frac{3}{8}=\frac{96}{8}-\frac{35}{8}=\frac{61}{8}=7\frac{5}{8}$

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Change 15/2 to mixed number

Alexeev081 [22]

Answer:

7 1/2

Step-by-step explanation:

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3 years ago

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You cant see all the answer choice so it's: a) A b) B c) C d) D

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3 years ago

Help me !! 10/7 x 9/8 7/9 x 8/10

FromTheMoon [43]

Answer:

Step-by-step explanation:

10/7 x 9/8 = 90/56 = 45/28.

7/9 x 8/10 = 56/90 = 28/45

If you want to multiply these, the answer is (28*45) / 28/45) = 1.

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2 years ago

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Each of 5 friends has x action figures in

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Answer:

Step-by-step explanation:

Here, each of the 5 friends has an x action figure. When they buy 11 more we have 5(x+11). Now they have a total of 120 action collections and here we have 5(x+11)=120

→ $5(x+11)=120\\\\$

→ $5x+55=120\\$

→ $5x=120-55$

→ $5x=65$

→ $x=65/5\\$

→ $x=13$

Hence, each of the friends has 13 action collections originally.

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2 years ago

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The random variable x is the number of occurrences of an event over an interval of ten minutes. It can be assumed that the proba

padilas [110]

Answer:

A Poisson distribution, with λ=5.3

$P(x) = \frac{\lambda^{x} *e^{-\lambda}}{x!}$

Step-by-step explanation:

For this type of random variables, a Poisson distribution is the most adecuate.

If the number of occurrences in ten minutes is 5.3, we can define the parameter λ=5.3 and the probability function as:

$P(x) = \frac{\lambda^{x} *e^{-\lambda}}{x!} =\frac{5.3^{x} *e^{-5.3}}{x!} \approx\frac{0.005*5.3^{x}}{x!}$

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3 years ago