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PIT_PIT [208]
3 years ago
13

the probability of winning a game is 20%. if you play 20 times how many times should you expect to win

Mathematics
2 answers:
julia-pushkina [17]3 years ago
6 0
The probability of winning a game out of 20 is 4 times. 
german3 years ago
4 0

Answer:

You should expect to win 4 times.

Step-by-step explanation:

The probability of winning a game is 20%.

If you play the game 20 times, you should expect to win

20% of 20 times

= \frac{20}{100} × 20

= 0.20 × 20 = 4 times

You should expect to win 4 times.

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Based on his salary, Kevin knows that he will have $336.00 withheld from his paycheck for federal income tax. He would like to h
lakkis [162]

Answer:

b. 21% of federal tax

Step-by-step explanation:

70/336 × 100% ≈ 20.83% ≈ 21%

If Kevin is choosing a percentage of federal income tax, then 21% would be the appropriate choice.

_____

<em>Comment on the question</em>

Most withholding forms allow the choice of a percentage or a fixed dollar amount. It might be appropriate for Kevin to choose the amount of $70, rather than a percentage of income or federal tax.

7 0
3 years ago
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Consider the inequality -20.2 &gt; 0y. Which of the following must be true? Check all that apply. You cannot divide by zero. The
Katarina [22]

Answer:

You can not divide by zero.

The inequality is equivalent to - 20.2 > 0 which is false.

Step-by-step explanation:

We can not divide both sides by zero, because if we divide both sides by zero, then the inequality becomes

- \frac{20.2}{0} > y

⇒ - ∞ > y, which is not possible.

Again, the given inequality is - 20.2 > 0 × y.

We have to multiply y with zero and a product of zero with any term is also zero.

Hence, the inequality becomes - 20.2 > 0.

Therefore, the inequality is equivalent to - 20.2 > 0 which is false. (Answer)

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3 years ago
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Juliet went to the mall to buy clothes for the new school year. Shirts cost $15 and pants cost $40. If Juliet bought 10 items of
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7 shirts and 4 pants hope i helped
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3 years ago
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Which table represents a linear function
katrin2010 [14]

Answer:

the forth one is linear

Step-by-step explanation:

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A nursery has 10 tree seedlings to give out at 2 workshops. It wants to give out a minimum of 2 seedlings at each workshop. How
11111nata11111 [884]

We are given total 10 tree seedlings.

Number of workshops = 2.

Here order doesn't matters.

<em>When order doesn't matters we apply combination.</em>

We know formula of combination:

C(n,r) = \frac{n!}{r!(n-r)!}

For the given situation, we have

n=10 and r=2.

Plugging values in formula, we get

\frac{10!}{2!(10-8)!}  = \frac{10\times 9\times8!}{2!8!}

\frac{10 \times 9}{2} = \frac{90}{2} =45

<h3>Therefore, 45 different ways can the nursery give out seedlings.</h3>
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3 years ago
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