Answer:
xy+2x+3y+6=xy-5 .............(1)
xy-3x+2y-6=xy.....,.,(2)
2x+3y=-11
-4x+2y=6
first equation multiply by 2
(2)*(2x+3y)=-11
4x+6y=-22
-4x+2y=6
8y=-16 y=(-2),,,,, x=(-2,5)
Answer:
85
Step-by-step explanation:
David went about 7.94 miles east for they to be 13 miles apart.
Distance
The distance between two points is the amount of separation between the points.
Let O represent the starting point, D for David endpoint and J for John end point.
Using Pythagoras:
OJ² = 4² + 3²
OJ = 5 miles
OD + OJ = 13
OD = 8 miles
Using Pythagoras:
8² = 1² + East²
East = 7.94 miles
David went about 7.94 miles east for they to be 13 miles apart.
Find out more on distance at: brainly.com/question/24775607
The equation of the line that passes through the point (-1,4) with a slope of -1 is
Y= -1x+3
To answer this you would need to first find out what 3/8 of the 5/9 would be. 3/8 would be the amount that remains after five eights were accounted for. The question says it is 5/9 of the remaining, and 3/8 of the total would be what remains. Multiply 3/8 by 5/9 to get 5/24. This represents the part that would be green. Then I added the original 5/8 for blueand 5/24 for green. The amount is 20/24, or 5/6. This represents the part that is green or blue. 1/6 would be the other color which is red. To find the total, you would solve 1/6x =48. To solve this divide 48 by 1/6. Keep change and invert your division problem. It would be 48×6. The answer is 288 total votes. You said check your work by multiplying 5/8 by 288. You get 180. 288-180=108. Multiply 5/9 by 108 to get 60. 108-60 is 48!!!