distance left to run = total distance - distance already run
= 3 miles - (13/7) miles
= 21/7 miles - 13/7 miles = 8/7 miles
Answer:
30 - Acute
249 - Obtuse
126 - Obtuse
Step-by-step explanation:
Less than 90 - Acute
90 - Right
More than 90 - Obtuse
<span>Work out the Mean (the simple average of the numbers)Then for each number: subtract the Mean and square the result.Then work out the mean of those squared differences.<span>Take the square root of that and we are done!</span></span>
Answer:
Step-by-step explanation: