the mean average distance that jack runs in his last 10 runs is 5.7 miles. work out the distance that he would need to make this
1 answer:
Answer:
9 miles
Step-by-step explanation:
mean is calculated as
mean = , then
= 5.7 ( multiply both sides by 10 )
sum = 57
let x be the distance he needs to cover so mean is 6 , that is
= 6 ( multiply both sides by 11 )
sum + x = 66 , that is
57 + x = 66 ( subtract 57 from both sides )
x = 9
That is he would have to run 9 miles
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One pint is equivalent to 0.473 liters which is approximately 0.47 liters if rounding off nearest to hundredth decimal places and 0.5 liters if rounding off nearest to tenth places.
Further explanation:
Jules reads that one pint is equivalent to 0.473 liters.
But according to his teacher, one pint is about 0.47 liters.
His teacher round off a value of one pint in liters nearest to hundredth places.
Also according to his parents, one pint is about 0.5 liters.
His parents round off the value of one pint in liters nearest to tenth place.
Therefore, his parents and teachers are both right approximately.
Thus, one pint is equivalent to 0.473 liters which is approximately 0.47 liters if rounding off nearest to hundredth decimal places and 0.5 liters if rounding off nearest to tenth places.
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Answer details:
Grade: Middle School
Subject: Mathematics
Chapter: Decimal system
Keywords: Hundredth, pint, decimal places, liters, teacher, approximately, divisor, kg, share, rounding off