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klio [65]
3 years ago
14

For Sigma-summation Underscript n = 1 Overscript infinity EndScripts StartFraction 0.2 n Over 0.8 EndFraction, find S3=

Mathematics
1 answer:
erica [24]3 years ago
4 0

Answer:

I will not take your sacrifice in vein

Step-by-step explanation:

1: 0.31

2: 0.0025

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Step-by-step explanation:

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7 0
3 years ago
Explain Steps. Do not answer. <br>#10 and 11<br>Questions are in the Picture
svet-max [94.6K]

Answer:

Step-by-step explanation:

For problem 10:

1. AE/ED=AC/CB (Since triangle ABC is similar to triangle ADE, we can determine that the ratio of AE to ED is equal to the ratio of AC to CB)

2. AE/ED=(AE+EC)/CB (Rewrite AC as the sum of the lengths forming it; This is sometimes referred to as the Partition Postulate)

3. 9/x=(9+6)/10 (Substitute the given values into this equation)

4. x=6 (Use algebra to solve for x)

For problem 11:

1. AG/AB=AE/AD (Use the same strategy as step one in problem 10, since the rectangles are similar we can create this equation)

2. AG/(AG+GB)=AE/(AE+ED) (Rewrite sides as the some of their parts)

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4. x=9 (Solve for x)

lmk if there are mistakes in my explanation, hope this helps :)

8 0
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