-10y-3=7
Move the 3 to the other side
-10y=3+7
-10y = 10
Divide both by negative 10 and it equals -1 !
ANSWER: 219.375
subtract the second day from the first day.
547.250-327.875=219.375
Answer:
Domain: All reals
Inverse: ![y = 1+\sqrt{2x+4}](https://tex.z-dn.net/?f=y%20%3D%201%2B%5Csqrt%7B2x%2B4%7D)
Step-by-step explanation:
To start, let's find the domain. Nothing is restricted, because (x-1)^2 is always defined, so it is the set of all reals. The inverse can be found by making the equation
, then switching all of the x's and y's and solving for y. We will get
. Now, take the square root of both sides and then add 1 to both sides to get
.
So first you need to expand 9(k-2/3) where you would multiple 9 by everything inside the brackets. 9 x k = 9k and 9 x -2/3 = -6 so it'd become
0=9k-6+33 then add together 6 and 33
0=9k+39 then moves k to the other side
-9k=39 and then divide both sides by -9
k= -39/9 which you could simplify to -13/3
k=-13/3