The average resting heart rate of an athlete is 40 beats per second with a margin of error of ±5. The ±5; means that there is an acceptable range of what? SOS

Step-by-step explanation:

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Fraction Calculator

Below are multiple fraction calculators capable of addition, subtraction, multiplication, division, simplification, and conversion between fractions and decimals. Fields above the solid black line represent the numerator, while fields below represent the denominator.

2

+

3

=?

7

8

?

Calculate  

Mixed Numbers Calculator

Result

11

2

–  

3

4

=  

3

4

Result in decimals: 0.75

Calculation steps:

11

2

–  

3

4

=  (1 – 0) + (  

1

2

–  

3

4

)

=  1 +  

1 × 2

2 × 2

–  

3

4

=  1 +  

2

4

–  

3

4

=  1 +  

2 – 3

4

=  1 +  

-1

4

=  

3

4