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viva [34]
3 years ago
7

Help! i dont know how to do it

Mathematics
1 answer:
Lesechka [4]3 years ago
8 0
I think it is 1.6
sorry if i am wrong
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Nonamiya [84]

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<u>-2/9</u>

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How to simplify -12 minus(-5)
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If a circle has a diameter of 9 cm and circle B has a radius of 5 cm which circle has a larger circumstance in how many centimet
emmasim [6.3K]

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3 years ago
Joshua uses his thermometer and finds the boiling point of ethyl alcohol to be 75 degrees Celsius. He looks in a reference book
MissTica

Answer:

6.25%

Step-by-step explanation:

Percent error is calculated by taking the difference of measured value and correct value divided by correct value and multiplied by 100%.

Mathematically,

Percent error = (correct value - measured value)/correct value  * 100%

_________________________________________________

in the problem given

measured value = 75 degrees Celsius

correct value = 80 degrees Celsius ( as given in reference book)

thus,

Percent error = (80 - 75)/80 * 100%

Percent error = (5/80 )* 100% = 6.25%

Percent error calculated by him is  6.25%.

4 0
3 years ago
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