-3x-y = -17
-x+y=-1
Using addition
-4x +0y = -16
-4x=-16
x=4
Then plug the value of x into one of the original equations
-x+y=-7
-(4)+y=-7
y=-7+4
y=-3
The solution is x=4 and y=-3
Thus (4,-3)
If that helped please rate this as "Brainiest"
Answer:
x = 0, y = -3
Step-by-step explanation:
Multiply the first equation by 6. Now you have -30x - 18y - 54 = 0 and
4x - 18y - 54 = 0. Subtract the first equation from the second equation to get that 34x = 0, so x = 0. Plug this back in to figure out that y = -3.
Hour one:
Eastbound train- 65 mi
Westbound train- 85 mi
150 miles apart
Hour two:
Eastbound train- 130 mi
Westbound train- 170 mi
300 miles apart
Eastbound train travels 32.5 miles in 30 min, Westbound train travels 42.5 miles in 30 min
Two and a half hours:
Eastbound train- 162.5 mi
Westbound train- 212.5 mi
Answer:
The maximum length is 170 feet and maximum width is 340 feet.
Step-by-step explanation:
Let the length of the parking = x feet and width = y feet.
Since, the fencing is to be applied on three sides of the lot.
So,we get,
i.e.
Since, the area of the rectangular lot = Length × Width
So, area of the lot =
i.e. area of the lot =
i.e. area of the lot =
Now, we know the maximum value of 'x' in is .
So, the maximum length of the lot is x= = = 170 feet.
Then, i,plies implies i.e. y= 340 feet.
So, the maximum length is 170 feet and maximum width is 340 feet.