Answer:
4
Step-by-step explanation:
To simplify
÷ 
Change division to multiplication and turn the second fraction upside down, that is
× 
Cancel the factor (x + 3) on the numerator/ denominator , leaving
= 4
You use Pythagorean theorem to solve it and you get 18.3. Just look at the picture to see how i solved it
Given:
.
To find:
The value of
, rounding to the nearest thousandth.
Solution:
We know that,

On substituting
, we get


Therefore, the value of
is 0.646.
Answer:
y = -9
Step-by-step explanation:
Step 1: Substitute x
2(2) - 2y = 22
Step 2: Isolate y
-2y = 18
Step 3: Divide by -2
y = -9
And you have your final answer!