Answer:
(418, 424)
Step-by-step explanation:
Arobot travels at constant speed. The total trip takes 10 hours. We want to know its position is 4 hours. The fraction of the path it will travel in 4 hours is 4/10 of the entire path. We need to find what point is 4/10 of the way from point A to point B.
For each coordinate, we find 4/10 of the difference between point A and B, and we add it tot eh coordinate of point A.
x-coordinate:
difference in x-coordinates: 1000 - 30 = 970
4/10 * 970 = 388
30 + 388 = 418
The x-coordinate is 418
y-coordinate:
difference in x-coordinates: 1000 - 40 = 960
4/10 * 960 = 384
40 + 384 = 424
The x-coordinate is 424
Answer: (418, 424)
Answer:
x=4 x=-2
Step-by-step explanation:
x+4 x
----------- = ------------
4 x-2
Using cross products
(x+4)(x-2) = 4x
FOIL
x^2 -2x +4x -8 = 4x
Combine like terms
x^2 +2x -8 = 4x
Subtract 4x from each side
x^2 +2x-4x -8 = 4x-4x
x^2 -2x-8 =0
Factor
What 2 numbers multiply to -8 and add to -2
-4*2 =-8
-4+2 = -2
(x-4) (x+2) =0
Using the zero product property
x-4+4 =0+4 x+2-2=0-2
x=4 x=-2
Answer:
y = 1/4x - 1
Step-by-step explanation:
Slope intercept form: y = 1/4x - 1
Answer:
7
Step-by-step explanation:
im too smart sike
The length of a diagonal of a square is the side*sqrt(2). Let's call one side of the square: s
So we have 18 = s*sqrt(2)
18/sqrt(2) = s
18sqrt(2)/2 = s
9sqrt(2) = s
Since the perimeter is 4 sides we multiply by 4 to get 36sqrt(2) as the perimeter.