Can someone help me with this math homework please!
2 answers:
Answer:
8
Step-by-step explanation:
Let,
t1 = 27
t2 = 18
t3 = 12
t2 / t1
= 27 / 18
= 3 / 2
t3 / t2
= 18 / 12
= 3 / 2
Common ratio = 3 / 2 = 1.5
t4 = t3 / 1.5
= 12 / 1.5
= 12 x 2 / 3
t4 = 8
For each peak, the ball decreases it's height from the ground by 1 / 1.5 times, Using sequence, we can find the height of ball from the ground for different levels of peaks.
Here, we may use Geometric Progression
The sequence follows as:
27, 18,12,...
The first term (a)= 27
27/18 = 18/12
common ratio = 1.5
Let fourth term be x
Therefore , 12/x = 1.5
=> x= 12/1.5 = 8
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