Please refer the pictures below-
Hence the area of the road is 9600m2
Can someone help me please:)
1 answer:
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Answer:
The answer is 8.
Step-by-step explanation:
We need to use the quadratic formula, that is ax2+bx+c=0
Where
For the given equation x2+5x-104=0 we have
a=1, b=5, c= -104
If you solve that, we will have x=-13. x=8, two answers,
The first one, by being negative does not have physical sense (there are no negatives quantities when you measure the length of something)
So we use the anwser x=8
Given:
The complex number is .
To find:
The value of given complex number.
Solution:
We have,
It can be written as
Using properties of exponents, we get
We know that, .
The value of is -1. Therefore, the correct option is C.