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White raven [17]
3 years ago
8

While back-to-school shopping, you find two pairs of jeans that cost $29 each, three shirts that cost $16 each, and a pair of sh

oes for $21. What is the total cost of these items, if the store is offering a 30% discount?
Mathematics
1 answer:
gregori [183]3 years ago
8 0

Answer:

$88.9

Step-by-step explanation:

First, you have to calculate the total cost of the items by adding up the results of multiplying the price of each item for its quantity:

Total cost=(29*2)+(16*3)+21

Total cost=58+48+21

Total cost=127

Now, you have to calculate 30% of that total and subtract that amount from the total cost:

127*30%=$38.1

127-38.1=$88.9

According to this, the answer is that the total cost of these items is $88.9 if the store is offering a 30% discount.

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krok68 [10]
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3 years ago
Please help me out with this!!
galina1969 [7]

Answer:

see explanation

Step-by-step explanation:

Given

x + \frac{1}{2} ≤ - 3 or x - 3 > - 2

Solve the left and right inequalities separately, that is

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x ≤ - 3 - \frac{1}{2}, that is

x ≤ - \frac{6}{2} - \frac{1}{2}, thus

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OR

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3 years ago
Express the volume of the box as a<br>polynomial in the variable x
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The volume of the box as a polynomial in the variable x is x(12 - 2x)(7 - 2x)

<h3>How to determine the volume?</h3>

The complete question is added as an attachment

From the attached image, we have:

Length = 12 - 2x

Width = 7 - 2x

Height = x

The volume is calculated as:

Volume = Length * Width * Height

Substitute the known values in the above equation

Volume = (12 - 2x) * (7 - 2x) * x

This gives

Volume = x(12 - 2x)(7 - 2x)

Hence, the volume of the box as a polynomial in the variable x is x(12 - 2x)(7 - 2x)

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2 years ago
Elena’s bus runs every 20 minutes. If she arrives at her bus stop at a random time, what is the probability that she will have t
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We try to represent the data in segments from 0 to 20.
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3 years ago
Read 2 more answers
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iVinArrow [24]

Answer:

11

Step-by-step explanation:

(8y + 5) - 2z

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Subtract.

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Hope this helps!

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