Richard and Teo have a combined age of 31. Richard is 4 years older than twice Teo's age. Write a system of equations. How old a
1 answer:
You might be interested in
Answer:
Explanation:
The equation of the unit circle is
Plug in y = -2/7 and solve for x
Answer:
Step-by-step explanation:
To factor this, you must first take out the GCF (Greatest Common Factor), that and -147 both have. The terms only have 3 in common, which can be divided with
However, we're still not done since 49 is a perfect square and can be split into 2, like so:
If you're unsure about the final answer, you can multiply it all together to see if you got the original expression.
Answer:
C.
Step-by-step explanation:
Hi! Ace here!
In order to do this, we have to convert 18% into a decimal.
The decimal form of it is .18.
So we have to do
Combine like terms:
I hope this helped