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german
2 years ago
13

A store pays $270 for a bike and there is a 45% markup. What is the selling price (total price) of the bike?

Mathematics
2 answers:
Leokris [45]2 years ago
6 0

Answer:

391.5

Step-by-step explanation:

the 45% of $270 is $121.5

I am Lyosha [343]2 years ago
5 0
<h3>Answer:  $391.50</h3>

Work Shown:

1.45*270 = 391.50

The multiplier 1.45 represents a 45% increase

Think of it as 1.45 = 1+0.45 = 100% + 45%

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The time that a randomly selected individual waits for an elevator in an office building has a uniform distribution over the int
rewona [7]

Answer:

The mean of the sampling distribution of x is 0.5 and the standard deviation is 0.083.

Step-by-step explanation:

The Central Limit Theorem estabilishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

For the population, we have that:

Mean = 0.5

Standard deviaiton = 0.289

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By the Central Limit Theorem

Mean = 0.5

Standard deviation s = \frac{0.289}{\sqrt{12}} = 0.083

The mean of the sampling distribution of x is 0.5 and the standard deviation is 0.083.

4 0
3 years ago
Can someone help me with this f(g(x))=2(3x-4)^2+5?
Greeley [361]

Answer:

f(x)=349525

Step-by-step explanation:

f(x)=2(3x-4)^2+5

f(x)= 6x - 8^7

f(x)= 6x - 2,097,152

f(-6x)= - 2,097,152

/-6x       /-6x

f(x)=349525


I hope I am not terribly wrong but I probably am good luck

7 0
3 years ago
Jordan solved the equation −7x + 25 = 48; his work is shown below. Identify the error and where it was made.
fenix001 [56]

Answer:

step 3: he should have divided both sides by -7

8 0
3 years ago
Solve the system using substitution and describe your steps<br><br> x = y - 3<br> 2x + y = 12
omeli [17]

Answer:

2x + y = 12  = x + y = 6

Step-by-step explanation:

2x + y = 12

divide 2 by 12

x + y = 6  

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6 0
3 years ago
Read 2 more answers
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Roman55 [17]
Whats the question here if your wondering how many shells she finds in a certain amout of days just get a calculator and keep adding 12 over and over again
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3 years ago
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