Answer:
2.07
Step-by-step explanation:
Answer:
46 degrees
Step-by-step explanation:
a kite shaped figure is made up of a total of 90 degrees so if you already have 44 degrees on one tip, then u subtract 90-44 to get 46
Answer:
2x-4 would be the expression simplified.
Step-by-step explanation:
5(x-2) = 5x-10
-3x(x-2) = -3x +6
Combine them by addition 5x-10+-3x+6
2x-4
POH is the -log [ OH- ]. Using this equation, simply find the -log of the OH- concentration to find the pOH:
pOH = - log ( 0.000086 ) = 4.07
For systems of equations try using graphing, substitution, and elimination. For example
{2x+7y=3}
{x=-4y}
You should first look at if you have a variable that can be substituted (using substitution) and in this case we do! you plug in the x into 2x meaning 2(-4y)+7y=3
1) distribute -8y+7y=3
2) combine like terms in this case -8y+7y= -1y
3) solve -1y=3
y=-3
so currently our solution is (0,-3)
now we solve for x.
we plug our solved variable (y) into 7y
7(-3) and our equation looks like this
2x+7(-3)=3
1) distribute 7(-3)=-21
2) rewrite then solve 2x+(-21)=3
3) isolate variable -21+21 & 3+21
4) 2x=24
5) solve 2/24 = 12
Meaning our solution is (12,-3)
This is how to solve by substitution.
