Answer:
25º celsius
Step-by-step explanation:
The formula for converting fahrenheit to celsius is: Deduct 32, then multiply by 5, then divide by 9
77 - 32 = 45 x 5 = 225/9 = 25º
Answer:
-8
Step-by-step explanation:
(x-3y=136) + (18x+3y=288) We collect both processes to make y's disappear
19x=-152
x=-8
Answer: The whole area of all the wood is 36
Step-by-step explanation:
The formula for area of a rectangle is length times width. A=lw
You plug the numbers into the formula: A=2*3 = 6
The area for one piece of wood is 6 ft
If you take multiply one area of wood by the amount of wood - you get the whole area amount of all the wood. So 6*6 = 36.
parallel when a=2
perpendicular when a=-1/2