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charle [14.2K]
3 years ago
10

The teacher asked 4 students to measure 4 different objects. The table shown represents their measurements. Which student had th

e largest percent error?

Mathematics
1 answer:
Maru [420]3 years ago
4 0

Student 4 has the largest percent error.

Step-by-step explanation:

The percent error of a measurement is given by

p=\frac{|x-x_{true}|}{x_{true}}\cdot 100

where

x is the value of the measurement

x_{true} is the actual value

For student 1:

x=49\\x_{true}=50

Percent error:

p=\frac{|49-50|}{50}\cdot 100=0.02\cdot 100=2\%

For student 2:

x=25.5\\x_{true}=25

Percent error:

p=\frac{|25.5-25|}{25.5}\cdot 100=0.0196\cdot 100 = 1.96\%

For student 3:

x=7.5\\x_{true}=8

Percent error:

p=\frac{|7.5-8|}{8}\cdot 100=0.0625\cdot 100 = 6.25\%

For student 4:

x=2.1\\x_{true}=1.6

Percent error:

p=\frac{|2.1-1.6|}{1.6}\cdot 100=0.3125\cdot 100 = 31.25\%

So, student 4 has the largest percent error.

Learn more about errors:

brainly.com/question/2764830

#LearnwithBrainly

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7.5KG

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2 years ago
Graph f(x)=2x+1 and g(x)=−x+7 on the same coordinate plane.
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Answer:

x = 2

Step-by-step explanation:

To solve the equation, you need to set both functions equal to each other and simplify to find the value of "x".

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f(x) = g(x)                                              <----- Given equation

2x + 1 = -x + 7                                      <----- Insert functions

3x + 1 = 7                                             <----- Add "x" to both sides

3x = 6                                                  <----- Subtract 1 from both sides

x = 2                                                    <----- Divide both sides by 3

8 0
1 year ago
How do you write 3 15/44 as a decimal ??
Gnesinka [82]

Answer: 3.34 or 3.34090909

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4 0
3 years ago
If someone could help me with this, that would be great.
ruslelena [56]

Answer:

B. The rate of change of item II is greater than the rate of change of them I

8 0
3 years ago
PLEASE HELP!!!! POINTS^^^^^^
Troyanec [42]

1 - yes 100 and 75 are both collinear both are the same line.

2 - She can conclude that there both similar because the both go the same direction and both same shape.

3 - AB would equal 150 because the other one was 100 and the other angle was 25 down. So AB would equal 150.

Hope I helped

3 0
3 years ago
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