9x - 8y = -11
-9x + 3y = 21
Add the second equation
9x - 8y = -11
+ (-9x) + 3y = 21
-5y = 10
divide both sides by -5
y = -2
substitute y into one of the two equations in the beginning
9x - 8(-2) = -11
9x + 16 = -11
subtract 16 on both sides
9x = -27
divide both sides by 9
x = -3
The answer is (-3, -2)
x = -3
y = -2
Answer:
Step-by-step explanation:
we know that
The compound interest formula is equal to
where
A is the Final Investment Value
P is the Principal amount of money to be invested
r is the rate of interest in decimal
t is Number of Time Periods
n is the number of times interest is compounded per year
in this problem we have
substitute in the formula above
Find the interest
4/9+5/9= all the pics
45 divided by 9 = to 5
(5/9)
so...
4*9=36
i m almost positive
Answer:
{d|d<-15}
Step-by-step explanation:
We want to to rewrite the inequality, d<-15 using, the braces or set notation.
This is given as:
{d|d<-15}
This is called the solution set notation.
This is called the truth set notation.
Answer:
If I would have to have to make a choice I would put D.
Step-by-step explanation: Because if you look the intersected part is closer to 5 than 4 so you would put 4 5/6 for y and for x I would put -1 1/5 because it is closer to -1 than -2
