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sammy [17]
3 years ago
14

Help me with this please also please show me how you got the answer so I understand it

Mathematics
1 answer:
Ilya [14]3 years ago
3 0
We already know that C = 45.  All we really need to do is simplify the equation and then solve for x.

45 = x + 0.06x + 0.08x + 0.1x
45 = (1 + 0.06 + 0.08 + 0.1)x
45 = 1.24x
x = 36.2903, which rounds to $36.29 for the haircut.
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In a particular game, a fair die is tossed. If the number of spots showing is either four or five, you win $1. If the number of
TiliK225 [7]

Answer:

The probability that you win at least $1 both times is 0.25 = 25%.

Step-by-step explanation:

For each game, there are only two possible outcomes. Either you win at least $1, or you do not. Games are independent. This means that the binomial probability distribution is used 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.

Probability of winning at least $1 on a single game:

The die has 6 sides.

If it lands on 4, 5 or 6(either of the three sides), you win at least $1. So

p = \frac{1}{2} = 0.5

You are going to play the game twice.

This means that n = 2

The probability that you win at least $1 both times is

This is P(X = 2).

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

P(X = 2) = C_{2,2}.(0.5)^{2}.(0.5)^{2} = 0.25

The probability that you win at least $1 both times is 0.25 = 25%.

4 0
3 years ago
Hii please help me!!!!!
inysia [295]
It should be eight if I remember correctly
3 0
2 years ago
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Help me please I don't understand
erastova [34]
Just simpfly the promblem

8 0
4 years ago
Find the range of the data set with the outlier {16, 15, 19, 14, 18, 20, 45, 22, 16, 25}.
Lena [83]
The range is 31.

To find the range, you subtract the smallest number, in this case 14, from the largest number, in this case 45.
8 0
3 years ago
An elevator is 180 feet above the first floor. each second it descends 12 feet
DiKsa [7]

\bf \begin{array}{cll} \stackrel{passing}{seconds}&\stackrel{feet~above}{1st~floor}\\ \cline{1-2} 0&180\\ 1&180-12\\ &168\\ 2&168-12\\ &156\\ 3&156-12\\ &144\\ ...&... \end{array}\qquad \qquad \stackrel{\textit{change in the height integer}}{\underset{\textit{common difference}}{-12}}

4 0
3 years ago
Read 2 more answers
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