Answer:
The value of "x" is 5.
Step-by-step explanation:
In order to solve this system of equations, we first have to take the first equation and use it to represent "y" in terms of "x". We do that in the following way...

Now, we need to take the second equation and substitute "y" for the equivalent value in terms of "x". After doing this we will get the following equation, which we can solve to get the value of "x".

Therefore, the value of "x" is 5.
Answer:
80 and 20
Step-by-step explanation:
80+80+20=180
Answer:
9/4
Step-by-step explanation:
This is quite simple you do 1/2 divided by 2/8 which will become multiplication. Then its that number plus 1/4
you get a answer of
9/4 in fraction form
2.25 in decimal form
2 1/4 in mixed fraction form
Answer:
d. 31.
Step-by-step explanation:
11^3 = 1331
31.
Ok so the triangle part is 10 but I don’t know what the rectangle part is but the formula for a rectangle is A=base x high