Answer:

Step-by-step explanation:
Given


c = hypotenuse
Required
Find c
Using Pythagoras theorem, we have:

Substitute values for a and b



Take square roots of both sides:

Express 20 as 4 * 5

Split surd

Take square root of 4


All you have to do is multiply 540 by 15.
Answer:
15/21 and 14/21 so 5/7 is greater
Step-by-step explanation:
21 is the least common multiple for 3 and 7 so you multiply 7 by 3 to get 21 and do the same with the numerator to get 15 and vice versa.
we have

The options of the question are
A. X:-3 to x:-2
B.x:-2 to x:-1
C. X:1 to x:2
D. X:2 to x:3
Using a graph tool
see the attached figure
The graph is increasing in the interval (-0.15,2) and the interval (3.4, ∞)
The graph is decreasing in the interval (-∞, -0.15) and the interval (2,3.4)
therefore
the interval (1,2) is included in the interval (-0.15,2)
<u>the answer is the option</u>
C. X:1 to x:2