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3 years ago

Six friends go out to lunch and decide to split the bill evenly. The bill comes to $61.56. How much does each person owe?

Mathematics

2 answers:

ddd [48]3 years ago

7 0

Answer:

61.56/6

10.26

Step-by-step explanation:

elena-s [515]3 years ago

4 0

For this case we must indicate how much each of the 6 people should pay knowing that the bill is $ 61.56.

For this, we divide:

Let "x" be the amount of money each person must pay, then:

$x = \frac {61.56} {6}\\x = $ 10.26$

Thus, each one must pay $ 10.26.

Answer:

$ 10.26.

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In Leakwater township, there are two plumbers. On a particular day three Leakwater residents call village plumbers independently

Marianna [84]

Answer:

25% probability that all three residents will choose the same plumbe

Step-by-step explanation:

For each resident, there are only two possible outcomes. Either they choose the first plumbe, or they choose the second. The plumbers are chosen independent of each other. So we use the binomial probability distribution to solve this question.

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

In which $C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

And p is the probability of X happening.

Each resident randomly chooses one of the two plumbers.

This means that $p = \frac{1}{2} = 0.5$

Three residents:

This means that $n = 3$

What is the probability that all three residents will choose the same plumb

This is P(X = 0)(all choose the second pumble) or P(X = 3)(all choose the first pumble). So

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

$P(X = 0) = C_{3,0}.(0.5)^{0}.(0.5)^{3} = 0.125$

$P(X = 3) = C_{3,3}.(0.5)^{3}.(0.5)^{0} = 0.125$

$p = P(X = 0) + P(X = 3) = 2*0.125 = 0.25$

25% probability that all three residents will choose the same plumbe

4 0

3 years ago

A ball is thrown in the air from a ledge. Its height in feet is represented by

Strike441 [17]

D.6 is your answer
Hope this helps!!!!

4 0

3 years ago

Factorize the following 4x+16y+24z

FrozenT [24]

4x + 16y + 24z
= 4(x + 4y + 6z)

Answer:

4(x + 4y + 6z)

Hope you could understand.

If you have any query, feel free to ask

6 0

2 years ago

What is 4 1/8 +2 1/3

andreyandreev [35.5K]

Answer: 6 11/24

Step-by-step explanation:

33/8 + 2 1/3

= 33/8 + 7/3

= 155/24

= 6 11/24

6 0

3 years ago

A boy purchased(bought) a party length sandwich 59 in long. He wants to cut it into three pieces so that the middle piece is 6in

Leviafan [203]

Ok so let's start with what we know- the shortest piece is 8 inches so there's one length... then the middle piece is 6 inches longer than the shortest (6+ 8) so the middle piece would be 14 inches long. To find the last piece we can add up the other two pieces we know (14+8) which would be 22 and subtract that from how long the whole sandwich is (59-22) which would be 37 inches long. So in the end he shortest piece would be 8 inches, the middle 14 inches and the longest 37 inches.

8 0

3 years ago