Answer:
D
Step-by-step explanation:
If you work backwards and add everything up it works.
First, you can distribute the -2 to 1 - 7n
the new equation is 5n + 34 = -2 + 14n
then, you can add 2 to both sides to cancel the -2 on the right
now you have 5n + 36 = 14n
after this, you add -5n to both sides, again, to cancel the 5n on the left
you are left with 34 = 9n
lastly, divide both sides by 9 to find the value of n, which is 4.
Answer:
e = -2
Step-by-step explanation:
9e-7=7e-11
Subtract 7e from both sides
9e-7e -7=7e -7e-11
2e -7 = -11
Add 7 to each side
2e -7+7 = -11+7
2e = -4
Divide each side by 2
2e/2 = -4/2
e =-2
Answer:
142m
Step-by-step explanation:
This problem can be solved by simply using the pythagorean theorem, as you stated at the beginning of the problem, which is: 
You are given the <em>a</em> side and <em>b</em> side that are needed for this equation, so it's all a matter of plugging in the information you have:





Now, because the <em>c</em> is still squared, you must take the square root of 20200 in order to get the length of just side <em>c</em>:
≈142m
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