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Vitek1552 [10]
3 years ago
11

A contractor purchases 4 dozen pairs of padded work gloves for ​$56.16. She incorrectly calculates the unit price as ​$14.04 per

pair for the expense report. What is the correct unit​ price? What is the​ error? Why is the​ contractor's unit price​ incorrect?
Mathematics
1 answer:
8090 [49]3 years ago
6 0

Answer:

The correct unit price is $1.17 per pair of gloves. The error is she used number of dozens so, firstly convert it to number of pairs of gloves then divide.

Step-by-step explanation:

It is given 4 dozen pairs of gloves for $56.16.

So, unit price = Divide the price by number of pairs of gloves.

And 1 dozen =12

So 4 dozen =4*12=48 pairs of gloves

So, to find unit rate divide 56.16  by 48.

Unit price =\frac{56.16}{48}= $1.17

So, the error is she didn't convert the dozen to units.

That made mistake in finding unit price.

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Did that answer your question?
7 0
3 years ago
What is the equation of a parabola that has a vertex at ( 0,4 ) and passes through points ( 2,0 )?
vlada-n [284]

Answer:

<u>y = -x² + 4</u>

Step-by-step explanation:

The equation of the parabola in the vertex form is:

y = a (x-h)² + k

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So, h = 0 , k = 4

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∴ y = a x² + 4

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∴ y = -x² + 4

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See the attached figure.

4 0
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Step-by-step explanation:

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3 years ago
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