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Irina-Kira [14]
3 years ago
8

Find an equation that is equivalent to 2x+3y=6 in polar cordintates

Mathematics
1 answer:
lesantik [10]3 years ago
5 0

Answer:

2rcosθ+3rsinθ=6

Step-by-step explanation:

x=rcosθ

y=rsinθ

2rcosθ+3rsinθ=6

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A swimming pool holds 540,000 liters of water. The pool has two drain pipes. When the pool is completely full, the first pipe al
tankabanditka [31]

Answer: 72 minutes

Step-by-step explanation:

Pipe A can empty the water in 180 minutes = (180/60) =3 hours

Pipe A does 1/ 3 of the job in 1 hour.

Pipe B can empty the water in 120 minutes = (120/60) = 2 hours.

Pipe B does 1/ 2 of thejob in 1 hour.

Together they will do:

1/ 3 + 1/ 2 = 5/6

Together, both pipes will do 5/ 6 of the job in one hour.

To get the total time to completely drain the water will be:

= 60 ÷ 5/6

= 60 × 6/5

= 12 × 6

= 72 minutes

It takes 72 minutes to empty the pool.

3 0
3 years ago
Simplify the expression.
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C(x) = 100x + 1400 and R(x) = 80x The break-even quantity is __ units
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Step-by-step explanation:

fresh your mind drink water and go outside take fresh air you will get answers ☺️

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A binomial model shows that two outcomes have the same probability of occurring. In an experiment with 60 trials to test this mo
zmey [24]

Answer:

the result for Outcome A was 6 more than expected (A)

Step-by-step explanation:

Given:

The binomial model has two outcomes that have the same probability of occurring.

n= number of trials = 60 trials

After the experiment, the researcher found that Outcome A occurred 36 times. This implies the experimental probability of outcome A = 36times

In a binomial distribution, there is a fixed number of trials = n.

There are only two possible outcome in a trial: a success and a failure.

When n= 1

Let p = the probability of a success = 0.5

q = the probability of a failure = 0.5

The sum of the probability of a success and failure = 1

p + q = 0.5+0.5 = 1

The theoretical probability is what you expect to happen, but it isn't always what actually happens when the experiment is carried out

The theoretical probability of success for 1 trial = The theoretical probability of failure for 1 trial= 0.5

when n = 60trials

The theoretical probability of outcome A = The theoretical probability of outcome B = 1/2 (60) = 30times

But the experimental probability of outcome A = 36times

This means that the experimental outcome of A = 6 more than the theoretical probability of outcome A

36 = 30 + 6

Therefore, the result for Outcome A was 6 more than expected (A)

7 0
3 years ago
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