In 1 year, it erodes 2 5/18
In 8 years, it will erode: 8*2 5/18= 41/9
Answer= 41/9 = 4 5/9
Answer:
The like terms are x + 2x which is 3x
and the rest you cant combine
Step-by-step explanation:
Answer:
0.75 3/4, 0.30 3/10, 0.05 1/20
Step-by-step explanation:
25x3 is 75 but because its 75 cents its 0.75
and 3/4 means 0.75 (3 divided by 4 is 0.75)
10x3 is 30 but because its 30 cents its 0.30
and 3/10 means 0.30 (3 divided by 10 is 0.30)
1x5 is 5 and because its 5 cents its 0.05
and 1/20 means 0.05 (1 divided by 20 is 0.05)
4x-y=3
-y=-4x+3
y=4x-3
Since it is perpendicular, the slope must be a negative reciprocal.
therefore the slope is -x/4
Substituting the x and the y values (to find the b)
6=5/4+b
6-5/4=b
19/4=b
therefore the equation of the line is
y=-x/4+19/4
