The answer is 12.58 rounded up it would be 13 so the correct answer is A
The solutions for ‘x’ are 2 and -5
<u>Step-by-step explanation:</u>
Given equation:

Since the base on both sides as ‘12’ are the same, we can write it as



Often, the value of x is easiest to solve by
by factoring a square factor, setting each factor to zero, and then isolating each factor. Whereas sometimes the equation is too awkward or doesn't matter at all, or you just don't feel like factoring.
<u>The Quadratic Formula:</u> For
, the values of x which are the solutions of the equation are given by:

Where, a = 1, b = 3 and c = -10



So, the solutions for ‘x’ are


The solutions for ‘x’ are 2 and -5
Answer:
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Answer:
Assuming that the $1 bill was pulled at random, then the expected value of the amount chosen is
.
Step-by-step explanation:
From the given question, the bag contains;
$1 bill = 7
$5 bill = 1
$10 bill = 3
$20 bill = 2
Total number of bills in the bag = 13
Pulling a bill at random, the bills would have an expected value as follows:
For $1 bill, the expected value = 
For $5 bill, expected value = 
For $10 bill, expected value = 
For $20 bill, the expected value = 
Assuming that the $1 bill was pulled at random, then the expected value of the amount chosen is
.
Hello,
Answer D:
the roots are -5,1+4i,1-4i,-4i,4i.