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const2013 [10]
1 year ago
5

bo has 23 video games for sale he plans to donate the money he makes from each sale to a local charity what is the least amount

of money in whole dollars bo should charge for each game in order to raise 100$
Mathematics
2 answers:
Murrr4er [49]1 year ago
8 0

Answer: $5

Step-by-step explanation:

Let x be the least charge for each video game.

Given : Total games for sale =23

The required minimum amount needed to raise by selling video games =$100

Then the required inequality:

Total games × x ≥  Required minimum amount

i.e. 23x\geq100

Divide 23 from both sides , we get

x\geq 4.34782608696\approx5

Hence, Bo should Charge $5 for each game in order to raise 100$.

TEA [102]1 year ago
6 0
4.34782609 is the right answer divide 100 by 23 


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8090 [49]

f(x) = 5^{x}

note the range is {1, 5, 25, 125 } which can be expressed as

{ 5^{0}, 5^{1}, 5^{2}, 5^{3} }

the exponents being the domain { 0, 1, 2, 3 }

thus f(x) = 5^{x} an exponential function


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1 year ago
Harrison has 30 cds in his music collection. If 40% of the cds are country and 30% are pop, how many are other types of music
Pavel [41]
Well you have to find out how many cd is 40% and 30% 
30% = 30x.3=9
40% = 30x.4=16
now add 16 and 9
16+9=25 now subtract 25 from 30 and see that you have 5 cd of a different type of music to find that as a % divide 5 by 35 to get .14 I rounded it to the nearest hundreth now move the decimal over 2 spots to get 14%
8 0
2 years ago
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For questions 2-5, the number of pieces in a regular bag of Skittles is approximately normally distributed with a mean of 38.4 a
aleksley [76]

Answer:

a. -1.60377

b. 0.25451

c. 0.344

d. Option b) 78th

Step-by-step explanation:

The number of pieces in a regular bag of Skittles is approximately normally distributed with a mean of 38.4 and a standard deviation of 2.12.

a)What is the z-score value of a randomly selected bag of Skittles that has 35 Skittles? a) 1.62 b) -1.62 c) 3.40 d) -3.40 e)1.303.

The formula for calculating a z-score is is z = (x-μ)/σ,

where x is the raw score

μ is the population mean

σ is the population standard deviation.

z = 35 - 38.4/2.12

= -1.60377

Option b) -1.62 is correct

b) What is the probability that a randomly selected bag of Skittles has at least 37 Skittles? a) .152 b) .247 c) .253 d).747e).7534. .

z = (x-μ)/σ

Mean of 38.4 and a standard deviation of 2.12.

z = (37 - 38.4)/2.12

= -0.66038

P-value from Z-Table:

P(x<37) = 0.25451

The probability that a randomly selected bag of Skittles has at least 37 Skittles is 0.25451

Option c) .253 is.correct

c) What is the probability that a randomly selected bag of Skittles has between 39 and 42 Skittles? a) .112 b) .232 c) .344 d).457 e).6125.

z = (x-μ)/σ

Mean of 38.4 and a standard deviation of 2.12.

For 39 Skittles

z = (39 - 38.4)/2.12

= 0.28302

Probability value from Z-Table:

P(x = 39) = 0.61142

For 42 Skittles

z = (42 - 38.4)/2.12

= 1.69811

Probability value from Z-Table:

P(x = 42) = 0.95526

The probability that a randomly selected bag of Skittles has between 39 and 42 Skittles is:

P(x = 42) - P(x = 39

0.95526 - 0.61142

0.34384

= 0.344

Option c is.correct

d) What is the percentile rank of a randomly selected bag of Skittles that has 40 Skittles in it? a)82nd b) 78th c) 75th d)25th e)22nd

z = (x-μ)/σ

Mean of 38.4 and a standard deviation of 2.12.

z = (40 - 38.4)/2.12

= 0.75472

P-value from Z-Table:

P(x = 40) = 0.77479

Converting to percentage = 0.77479× 100

= 77. 479%

≈ 77.5

Percentile rank = 78th

7 0
2 years ago
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Shtirlitz [24]

Answer:

  455 or 680, depending

Step-by-step explanation:

If we assume the three choices are different, then there are ...

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ways to make the pizza.

___

If two or three of the topping choices can be the same, then there are an additional ...

  2(15C2) +15C1 = 2·105 +15 = 225

ways to make the pizza, for a total of ...

  455 + 225 = 680

different types of pizza.

__

There is a factor of 2 attached to the number of choices of 2 toppings, because you can have double anchovies and tomato, or double tomato and anchovies, for example, when your choice of two toppings is anchovies and tomato.

_____

nCk = n!/(k!(n-k)!)

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2 years ago
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MakcuM [25]

Answer:

Volume is how much you can put in something like a box. Surface area is how much wrapping paper is needed to cover the box.  Words like fill often designated volume while words like cover mean surface area.

Step-by-step explanation:

Volume is how much you can put in something like a box. Surface area is how much wrapping paper is needed to cover the box.  Words like fill often designated volume while words like cover mean surface area.

8 0
1 year ago
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