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Law Incorporation [45]
3 years ago
11

A home improvement store sold wind chimes for $30 each.A costumer signed up for a free membership card and recieved a 5% discoun

t off the price.Sales tax of 5% was applied after the disscount.What was the final price of the windchime?Show your work.
Mathematics
2 answers:
Anton [14]3 years ago
8 0
29.925 is the correct answer
Nataly_w [17]3 years ago
4 0
The discount is 5% that means you find 5% of 30 and take from 30
(5/100)*30 = 1.50 dollars
30 - 1.50 = 28.50

Now you put the tax on

28.50 * 1.05 = 29.93
Notice 2 things.
multiply by 1.05 will put on a the sales tax plus the cost of the item (a short cut) and
taking off 5% does not come to the same thing when you add the 5% back on which is the point of the question. 
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To solve the function we proceed as follows:
5c+4=2(c-5)
opening the parentheses we get:
5c+4=2c-10
putting like terms together we get
5c-2c=-10-4
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c=-14/3        
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3 years ago
Help me with this two questions
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How many solutions does the equation −2y + 2y + 3 = 3 have? One Zero Infinitely many Three
AnnZ [28]

Answer:

Infinitely many solutions.

Step-by-step explanation:

In the equation −2y + 2y + 3 = 3  we see only one variable, and that variable is of the first power.  Ordinarily, we'd say that this equation will have 1 solution.  However, if we combine like terms, we get 0 + 3 = 3, or 0 = 0, which is true for any and all y values.  Infinitely many solutions.

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3 years ago
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What is the x- intercept of y+ 12 =3 (x-9)?
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Answer:

13,0

Step-by-step explanation:

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2 years ago
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Let x be normal distribution with mean 70 and standard deviation 2. given the following probability, p (x < a) = 0.9147, find
lapo4ka [179]

The value of a is 72.74.

<h3>What is Probability ?</h3>

Probability is the study of likeliness of an event to happen.

It is given that

The mean \rm \mu of the distribution is 70

Standard deviation \rm \sigma  is 2

p( x<a) = 0.9147

a = ?

From Z table

For p ( p < 0.9147) , z = 1.37

\rm Z = \dfrac { X - \mu}{ \sigma}

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a = 70+ 2*1.37

a = 72.74

Therefore the value of a is 72.74.

To know more about Probability

brainly.com/question/11234923

#SPJ1

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