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Flauer [41]
1 year ago
12

Harper needs to mail an envelope. She weighs it at home as 10.4 ounces. When she gets to the post office, the clerk weighs it at

9.6 ounces. What is the percent error in the weight of the envelope
Mathematics
1 answer:
ExtremeBDS [4]1 year ago
4 0

The percent error in the weight of the envelope is 7.69%.

<h3>What is the percentage?</h3>

Given that Harper weighs it at home as 10.4 ounces and then when she gets to the post office, the clerk weighs it at 9.6 ounces.

The percentage error will be:

= Change in value / Original value × 100

= (10.4 - 9.6) / 10.4 × 100

= 0.8 / 10.4 × 100

= 7.69%

The percentage is 7.69%.

Learn more about percentages on:

brainly.com/question/24304697

#SPJ1

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irina1246 [14]

Answer:

The number of adults tickets and student tickets purchased is 5 and 3.

Given that,

Tickets to a movie cost $7.25 for adults and $5.50 for students.

A group of friends purchased 8 tickets for $52.75.

Here we assume the no of adult tickets and no of student tickets be x and y.

Based on the above information, the calculation is as follows:

7.25x + 5.50y = 52.75 .............(i)

x + y = 8

x = 8 - y..................(2)

Now put the x value in the equation (1)

So,  

7.25(8-y) + 5.50y = 52.75

7.25 × 8 - 7.25y + 5.50y = 52.75

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y = 3

So,  

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Therefore we can conclude that the number of adults tickets and student tickets purchased is 5 and 3.

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2 years ago
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Step-by-step explanation:

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100

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3

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3 years ago
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The first one. 4 times square root of 3.

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