Answer:
x=0,y=-3
Step-by-step explanation:
3x-5y=15 - equation(1)
x-4y=12 => x=12+4y -equation (2)
Replace equation (2) in equation (1)
3(12+4y)-5y=15
36+12y-5y=15
7y=15-36
7y= -21
y = -21/7
y=-3
If y=-3,then replace in equation (1) ; 3x -5(-3)=15
3x+15=15
3x=0
x=0
The dog weighs 10 pounds and the cat weighs 5 pounds
Answer:
$520.96
Step-by-step explanation:
The composite is made up of 2 semicircles and a rectangle:
⇒ Radius of the circle = 2 ft
⇒ Length of the rectangle = 5 ft
⇒ Width of the rectangle = 4 ft
Area
⇒ π(2)² + (5 x 4)
⇒ 4π + 20
⇒ 32.56 ft²
Cost
= 32.56 x 16
= $520.96
Multiply the diagonals together and then divide by two
4 x 6 / 2
so the answer would be 12yd
Answer:
this relation is not a function.
Step-by-step explanation:
Given relation is
(-1, 3) (1,-1) (2,2) and (1,3)
Now plot all the ordered pairs on the graph
Then we draw vertical lines through these points
If any vertical line crosses two points then this relation is not a function
The graph is attached below
We can see that the red vertical line crosses both points (1,-1) and (1,3)
It does not passes vertical line test.So this relation is not a function.