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umka21 [38]
3 years ago
10

Evaluate: Sigma 6=1 5(2)^n-1

Mathematics
1 answer:
Vilka [71]3 years ago
5 0
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How would I do this?
Lelu [443]
I'm not sure about part B, but part A will have the answer "if Ron eats lunch today, then he will drink a glass of milk" (without quotes of course)

The idea is that we have these arguments in symbolic form
P = Ron eats lunch today
Q = Ron eats a sandwich
R = Ron will drink a glass of milk

The format is 
"If P then Q" ----> "if Q then R"  so therefore "If P then R"

We see that P leads to Q, then Q leads to R. So overall P leads to R. We connect them as a chain of sorts. We can skip over Q since we know the first point will lead to the last. Think of it as a shortcut of sorts.
8 0
3 years ago
Estimate what is 130% of 20. Show work please! I need the right answer!
aksik [14]
26 would 130% of 26%. 

20 would be 100% of itself leading us to X being 130%. 
That brings us to two equations of 20=100% and x=130%
20/x=100%/130%

20/x=100/130
(20/x)*x=(100/130)*x
20=0.769230769231*x
26/0.769230769231=x
26=x therefor x=26


3 0
3 years ago
Read 2 more answers
Help!! Not good with Slope! especially with no dots! Brianliest answer offered!!
Georgia [21]

Find two "dots" where the line crosses the X and Y axis at real numbers.

(0,3) and (6,-1)

Now find the slope which is the difference in Y over the difference in x.

Slope = (-1 - 3) / (6-0) = -4 / 6 = -2/3

The answer is D.

7 0
3 years ago
You need 3/4 yard of ribbon for one gift box. You have 3 yards of ribbon. How many gift boxes do you have ribbon for
Kazeer [188]

Answer:

4

Step-by-step explanation:

You take 3/4 + 3/4 and add it. That equals 1.5, so you take 3/4+ 3/4 again and you get 1.5 . So, 1.5+1.5 is 3. So that's how you get your total of 4 boxes.

7 0
3 years ago
Angel is making a scale model of his favorite truck. The actual truck is 12 feet long and 4 feet wide. Angel wants his model to
inysia [295]

Answer:

the answer is 5ft wide

Step-by-step explanation:

Hope this helps!

3 0
2 years ago
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