Answer:
Step-by-step explanation:
Notice that 
is a right triangle where its hypotenuse is 
. We can also see that 
. For this we must use the Pythagorean Theorem.
Recall:
The Pythagorean Theorem states that if you have a right triangle, the principal square root of the sum of the squares of each leg is the length the hypotenuse.
We can see that 
and 
Answer:
400/1000×100%
40% is the percent of decrease from 1,000 to 400.
Answer:
x=3√5
Step-by-step explanation:
This is a right angle triangle
So the equation is
2²+x²=7²
x=√7²-2²
x=3√5
I would personally like butterflies :)
