8. Which of the following are equivalent expressions?
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The length of x will be 4 cm if is the angle bisector of A.
<h3>What is an angle bisector?</h3>A straight line that splits an angle in a triangle into two congruent angles is known as the angle bisector.
Given sides;
AB=12
AE=8
BD=6
DE=x
From the triangle angle bisector theorem;
Hence the length of x will be 4 cm.
To learn more about the angle bisector refer to:
brainly.com/question/12896755#SPJ5
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Alright, lets get started.
Suppose the speed to the ranch = x mph
So, speed to the ocean will be = (x-4) mph (because the speed was 4 mph less than the speed to the ranch)
Distance to the ranch = 888 miles
time moving to the ranch
time moving to the ranch
time moving to the ocean
As per given in question, the 888 mile trip to the ranch took three times as long as the 280 mile trip to the ocean , means
Corss multiplying
Hence speed to ranch = 74 mph
Hence speed to ocean = mph
time for trip to ranch = hrs
time for trip to ocean = hrs
So, speed to ranch is 74 mph and trip time is 12 hrs and speed to ocean is 70mph and time is 4 hrs.
Hope it will help :)