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Afina-wow [57]
3 years ago
5

You select several items from a supply catalog. The list prices of the items are $4.29, $2.13, $1.25, $17.95 and $0.85. Your com

pany gets a 10% discount on all items in the catalog. How much should you make out a purchase order for, including the undiscounted $10 shipping charge and 5.25% sales tax?
Mathematics
1 answer:
Vesna [10]3 years ago
3 0

Answer:

35.07

Step-by-step explanation:

In order to find the answer add up all listed items add the sales tax to the answer you got from that subtract the 10% discount which would equal 25.07 then add the shipping charge then you get your correct answer which is 35.07

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Answer:

7. x=3

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9. x-5\ge12

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Step-by-step explanation:

Question 7.

The given expression is:

12-3(2x+1)=7x-3(7+x)

Expand the parenthesis using the distributive property:

12-6x-3=7x-21-3x

Group similar terms:

-6x-7x+3x=-21+3-12

Simplify

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Divide both sides by -10

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Question 8:

Let the width of the rectangle be; w

The length of the rectangle is l=w+4

The perimeter is given as: P=2(l+w)

Given that the perimeter P=36, then:

36=2[(w+4)+w)]

\implies 36=2(2w+4)

Divide both sides by 2:

\implies 18=2w+4

Subtract 4 from both sides:

\implies 18-4=2w

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\implies w=7

The dimensions of the rectangle is: w=7 cm and l=7+4=11cm

Question 9

Let the number be x.

"5 fewer than the number" is written as x-5

"5 fewer than a number is at least 12" becomes

x-5\ge12

Question 10:

Let the number be x.

The quotient of a number and 3 is written as:

\frac{x}{3}

The quotient of a number and 3 is no more than 15 is written as;

\frac{x}{3}\le15

4 0
3 years ago
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Step-by-step explanation:

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Step-by-step explanation:

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