Answer:
(x,y)= (-1,-4)
Step-by-step explanation:
y=4x
put this value of y in 3x-y=1
3x-4x=1
-x=1
x= -1
y=4(-1)
y= -4
So (x,y) ordered pair is (-1,-4)
Answer:

Step-by-step explanation:
we know that
The diagonal of a cube is equal to

where
b is the length of an edge of the cube
we have

substitute


We can factorise this to get (x-9)(x-9). To find the value, each bracket needs to equal 0, so the value would be x=9
Answer:
Height: 7 centimeters
Base: 42 centimeters
Step-by-step explanation:
Answer:
Find the slope of the line that passes through the points shown in the table.
The slope of the line that passes through the points in the table is
.
Step-by-step explanation: