Any expression has many equivalents. For something like this, it is often convenient just to make use of the distributive property.
= (-1/2)*(-3y) +(-1/2)*(10)
= (3/2)y -5
Another equivalent has a common denominator
= (3y -10)/2
Put both values into a ratio
P:B
28:79
There is no solution to your answer.
You first have to put 8x-4y=8 into y=mx+b
So -4y=8x+8
You have to get y alone
so you divide each side by -4 y=-2x-2
the slope is -2
Answer: (a) 11.8
(b) 13
Step-by-step explanation:
Since George wants to put a string of lights around , it means we will have to consider the perimeter of the shape.
Perimeter of a rectangle is given by :
P = 2( L+B)
P = 2 ( 2.5 + 3.4)
P = 2 ( 5.9)
P = 11.8 meters
(b) Since he wants to put an addition to his wooden deck that is 0.6 meters longer , then the perimeter will be the perimeter of the first shape + 2(0.6). We used 2(0.6) because the two lengths of the rectangle must be considered
Therefore, we have
P = 11.8 meters + 2(0.6)
= 11. 8 + 1.2
= 13 meters
Therefore George needs 13 meters length of light