Find the sum of the first 30 terms in this geometric series -5 -4 -16/5
1 answer:
Answer:
-24.97 to the nearest hundredth.
Step-by-step explanation:
First term a1 = -5.
Common ratio r = -4/-5 = 4/5.
Sum of n terms = a1 * [1 - (4/5)^n] / (1 - 4/5)
Sum of 30 terms = -5 * ( 1 - (4/5)^30) / 1/5
= -25 * ( 1 - (4/5)^30)
= -24.97
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Answer:
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Step-by-step explanation:
Using the equation
y=mx+c
82=7x+c
122=11x+c
11x-7x=122-82
4x=40
x=10
To get c
82=7(10)+c
82-70=c
c=12
For 4 lessons
y=10(4)+12=52
16cm
Dividing 81.9 cm^2 by 4.9cm will give you about a 16 cm height.
:) Good Luck
I think it 317.36
$325+10%=29.5+8.5%=317.36
Answer:
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Step-by-step explanation:
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