Answer with Step-by-step explanation:
We are given that
By using formula
By using property:
Divide numerator and denominator by 
Then, we get
Hence, proved
Substitute 
Then we get
Hence, proved.
Answer:
150°
Step-by-step explanation:
Answer:
Step-by-step explanation:
200,000
You look at the ten thousands place, which is 0. So we look to the place on the right, which is 3. You round down, and that becomes 200,000. I hope that answers your question!
Hope that helps!
Answer:
C. 4x
Step-by-step explanation:
x means 1x, so the coefficient is 1.
1x + 1x + 1x + 1x
Ignore the x's for a bit.
1 + 1 + 1 + 1
That gives you 4
Hence 4x (don't forget the variable)
Don't forget the invisble negative ones to distriute
do inside to outside
{n-1-1[n-1-1(n-1)]}
do inside
{n-1-1[n-1-n+1]}
simplify inner parenthasees
{n-1-1[n-n+1-1]}
{n-1-1[0]}
multply
{n-1-0}
add
n-1-0=n-1
it is n-1 simplified
