A^2 + b^2 = c^2
<span>C should equal to the longer side, which would be 19. </span>
<span>Plug in other two numbers for A and B. </span>
<span>12^2 + 14^2 = 19^2 </span>
<span>Now see if it's correct. If it is, then it's a right triangle, if it's not then it isn't a right triangle. </span>
<span>144 + 196 = 361 </span>
<span>340 = 361 </span>
<span>It's not a right triangle.</span>
Answer: 7
Step-by-step explanation:
First order the numbers by least to greatest
2, 3, 5, 9, 12, 21
Then find the number inbetween
In this case it's a tie between 5 and 9.
Find the average of those two numbers
The average is 5+9/2 = 7
Median is 7
Answer: here u go and can u give me brainliest
Step-by-step explanation:
Percent error is calculated using
((Actual - predicted) / actual) * 100
In this case, the actual value of the number of pages he read is 20. The expected value was 23. So simply plug in:
((20 - 23) / 20) * 100 = -15%
Please don’t forget to like and mark brainliest
