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MA_775_DIABLO [31]
3 years ago
14

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Trent told his friends it would take him 90 minutes to mow the lawn. It only took him 75 minutes. What is his percent error?
Mathematics
2 answers:
Firdavs [7]3 years ago
8 0

Answer:

His percent error is 16.6 %

Step-by-step explanation:

Trent estimated hie time to be 90m

Actual time was 75m

Error was 90m - 75m = 15m

Fractional error was then 15m/90m (divide)

So % error is 15/90 times 100 = (100/6)% = 16.6%

Tamiku [17]3 years ago
4 0

His per cent error is 16.¯^6%

Explanation:

Trent estimated his time to be 90m but the Actual time was 75m

Error was 90m−^75m=15m

A Fractional error was then 15m90m

So % error is 1590 ×100=1006%=16.¯^6%

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Angles of a rhombus equal 360. Bisected adjacent angles are equal. Opposite angles are equal. Same side angles are supplementary

Step-by-step explanation:

One angle is 40, the adjacent bisected angle is also 40.  Opposite angles are equal so the opposite angle is 80 degrees (the bisected angles are each 40).

Same side angles are supplementary (add up to 180 degrees) So the supplementary angle of the 80 degree angle is 100 degrees, and its opposite angle is also 100 degrees.  The angles of a rhombus add up to 360...80+80=100+100= 360.

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