Answer:
1. 60
2. 36
6. 57
Step-by-step explanation: For number 2 and 6 I subtracted the numbers by 90 because one side of the triangle is 90 degrees.
First we find the total area:
area formula is length * width or L*W = A
so we pluf in 14 and 11 and as a result, we get 11*14 = 154
Then we must find the cost,
This is the eaiest step, we multiple 154 by 3.5 getting 539 dollars
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Answer:
Here is the full question:
Find the sum of the convergent series by using a well-known function. (Round your answer to four decimal places.) Σ_(n=1)^∞ (-1)^n+1 1/7^n n
Step-by-step explanation:
Σ_(n=1)^∞ (-1)^n+1 1/7^n n
We will use the function In (1 + x)
We will now give a power series expansion of the function while it is centered at x=0
This will give us In (1 + x) = Σ_(n=1)^∞
Note that x= 1/7
Now let us equate the two equations
Σ_(n=1)^∞ = ㏑(1 + x)| = ㏑
Sum of the series will give ㏑
X + 120 + 156 + 145 + x + 9 + 90 = 720
2x + 520 = 720
2x = 200
x = 100
answer
x = 100