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alina1380 [7]
3 years ago
12

The bike you have been saving for is discounted 20%. You have $400 saved to purchase it. The retail price of the bike is $450. T

here is a 5.25% sales tax added to the price of the bike.
Mathematics
1 answer:
Aneli [31]3 years ago
8 0

Answer: You cannot buy it.

Step-by-step explanation:

$450 with a 20% percent discount would be $360

Add in a sales tax of 5.25%, and it amounts to $549 in total.

Since you only have $400, you cannot buy the bike.

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alisha [4.7K]

Answer:

a) For this case we define the random variable as X ="waiting time during peak hours" and we know that this distribution follows an uniform distribution:

X \sim Unif(a=0,b=8)

Where a and b represent the limits of the distribution.

b) f(x) = \frac{1}{8}= 0.125, a\leq x \leq b

And the height for this case would be 0.125

Step-by-step explanation:

Part a

For this case we define the random variable as X ="waiting time during peak hours" and we know that this distribution follows an uniform distribution:

X \sim Unif(a=0,b=8)

Where a and b represent the limits of the distribution.

Part b

For this case the density function would be given by:

f(x) = \frac{1}{8}= 0.125, a\leq x \leq b

And the height for this case would be 0.125

And f(x)= 0  for other case.

The cumulative distribution function would be given by:

F(x) = 0, x

F(x) = \frac{x-a}{b-a}= \frac{x}{8}, 0\leq x < 8

F(x) = 1, x\geq 8

3 0
3 years ago
The table represents a linear equation. Which equation correctly uses point (–2, –6) to write the equation of this line in point
sineoko [7]

Answer:

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Step-by-step explanation:

Point-slope form of a line is

y-y_1=m(x-x_1)

where m \text{ is the slope and } (x_1,y_1) \text{ is a point on that line}

You are given (x_1,y_1)=(-2,-6) \text{, but no value for }m.

So we know we are looking for an equation that looks like this:

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Step-by-step explanation:

the statement give us the expression:

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1/8 -1/8+c= 4/5-1/8

c=4/5-1/8

c=(4*8)-(5*1)/(5*8)

c=(32-5)/(40)

c =27/40 = 0.675
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