The common denominator is (x+2)(x-2)
notice that x²-4 is the difference of two square
when you solve it you get (x+2)(x-2). (x+2) can go into (x+2)(x-2).
We know that the total is 180 degrees of the lines.
To find x:
(5x+20)+(4x-11) = 180
x=19
To find y, input the value of x into the equation 4x-11 since this equation is equal to 2y+19
4(19)-11 = 65
2y+19 = 65
y=23
Answer:
1 week=7 days
1/8- canned
rest- dry = 8/8-1/8= 7/8 (1 day)
1 treat (one day)
to find dry food, multiply 7/8 by 7
dry food in a day = 7/8 = 0.875 cup
0.875*7= 6.125 cups a week = 6 and 1/8 cups a week
Step-by-step explanation:
divede both numbers by 9 and tou will get 1/3
he can either send one half or the other half.