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3 years ago

3/5+1/4= pls help !!!!!

Mathematics

1 answer:

Anna35 [415]3 years ago

4 0

0.85
Hope it helps you!

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24% of students purchased lunch.

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235

Step-by-step explanation:

190+24%

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3 years ago

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Suppose that appearances of a foe to battle (that is, a random encounter) in a role-playing game occur according to a Poisson pr

Dimas [21]

Answer:

Rate parameter of $\mu = 0.5$

Step-by-step explanation:

Exponential distribution:

The exponential probability distribution, with mean m, is described by the following equation:

$f(x) = \mu e^{-\mu x}$

In which $\mu = \frac{1}{m}$ is the decay parameter.

One appearance per two minutes.

This means that $m = 2$

Measured in minutes, the time T until the next encounter is Exponential with what rate parameter?

$\mu = \frac{1}{m} = \frac{1}{2} = 0.5$

Rate parameter of $\mu = 0.5$

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3 years ago

In a relation, the input values can also be referred to as the __________?

Semmy [17]

Answer: The answer for the blank is domain.

Step-by-step explanation: Domain is the input of a function, and range is the output.

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3 years ago

Which of the following expressions represent 15% tip on a $20 meal? Which represents the total bill? **Select all that apply**.

kifflom [539]

Answer:

15/100 * 20, because the meal is 20 dollars and to find the percent of something you divide it with 100 so you will divide 15 with 100 and you’ll get 0.15. Then you will times it with the amount the meal cost because thats the charge. So 0.15•20 and you’ll get $3. A 15% tip for a $20 meal is $3.

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3 years ago

An electrician charges a set fee of $50 for every house call and then charges an additional hourly rate. One day, the electricia

Serhud [2]

Answer:

$50+5t=C$

Step-by-step explanation:

Suppose the electrician spends t hours at the house working.

Amount charged for every house call by electrician = $50

The electrician earned a total of $400 for a 5 hour job.

Also, C denotes total cost of the electrician's services.

So, the equation for C in terms of t is given below.

$50+5t=C$

Here, $C=400$

7 0

4 years ago