With the facts you got here, you can make the following equation:
x*(x+2)=24
x^2+2x=24
x^2+2x-24=0
Then you can use the following formula (which you might have seen before):
x = (-b +/- sqrt(b^2-4ac))/2a
where
ax^2+bx+c=0
(-2 +/- sqrt(4+96))/2
(-2 +/- 10)/2
x_1 = 4
x_2 = -6
Answer:
10
Step-by-step explanation:
because of the math envolved
The answer is the 3rd one
A quarter is 4 pieces.
So its 8÷4=2
Hence, a quarter of 8 is 2.
Answer:
See proof and explanation below.
Step-by-step explanation:
First we can proof this analitically first using the following property:
If we apply this into our formula we got:
And if we simplify we got:
And that complete the proof.
If we analyze the graphs sin(x) and cos (x) we see that we have a gap between two graphs of 
as we can see on the figure attached.
When we do the transformation 
we are moving to the left units and then would be exactly the cos function.
