Answer: See below
Explanation:
1a.
-4 • 1 = 8(y-5)
-4 = 8y - 40
-8y = -40 + 4
-8y = -36
Y = -36/-8
Y = 9/2
1b.
3c - 6 = -6 + 9(c+9)
3c - 6 = -6 + 9c + 81
3c - 9c = 75 + 6
-6c = 81
C = 81/-6
C = 27/-2
2a.
6(p-2) = -2 + 3
6p - 12 = 1
6p = 13
P = 13/6
2b.
3x - 4 = -3 + 4(x - 3)
3x - 4 = -3 + 4x - 12
3x - 4x = -15 + 4
-x = -11
X = 11
Answer:
12.5% decrease
Step-by-step explanation:
Let X be the initial value
75% increase is 175% of X
= 1.75X
50% decrease = 0.5
0.5(1.75X)
0.875X (less than X, so decrease)
87.5% of X
100 - 87.5 = 12.5% decrease
Answer:
There are 24 yellow fish
Step-by-step explanation:
Blue: x
Yellow: x + 6
Black: x - 4
x + (x + 6) + (x - 4) = 56
3x + 2 = 56
3x = 54
x = 18
Answer:
3.46410162 i
Step-by-step explanation:
The i is for imaginary because you cannot take the square of a negative number. Hope this helps
Answer:
B
Step-by-step explanation:
11x-2+x=51
12x-2=51 add the x's together
12x=53 add 2 to each side