Answer:
Select all the lines with slope 
.
Step-by-step explanation:
Use the slopes to help you answer this kind of questions.
The slope of the line going through: (1, - 2) and (3,4) is given by:
We plug in the coordinates to get:
All lines that are perpendicular to this line has slope .
Answer:
One solution
Step-by-step explanation:
0.75 (x + 40) = 0.35 (x + 20) + 0.35 (x + 20)
0.75x + 30 = 0.35x + 7 + 0.35x + 7
0.75x + 30 = 0.7x + 14
0.05x + 30 = 14
0.05x = -16
x = -320
Hope this helps!
1 gram = 1000 milligrams
72 * 1000 = 72000
So 72 grams is equal to 72,000 milligrams.
Answer:
it will always be equals to -1
Step-by-step explanation:
2 x - 1/2 = -1
17 x - 1/17 = -1
Answer:
C
Step-by-step explanation:
The answer is C because 1 * 2 = 2, 2 * 2 = 4, and 4 * 2 = 8.
