Answer:
8
Step-by-step explanation:
4+4=8
Hey there! :D
y=2x-9
We can plug that in as y, since y is equal to 2x-9.
5x-3(2x-9)= 23
Distribute.
5x-6x+27= 23
-1x+27=23
Subtract 27 on both sides.
-1x=-4
Divide both sides by -1.
x=4
Now, plug that in for y.
y=2(4)-9
y=8-9
y=-1
(4,-1) <== solution
I hope this helps!
~kaikers
Answer:

Step-by-step explanation:
A linear function is always a one-to-one function.
Switch y and x.
x = -8y + 1
-1/8x + 1/8 = f(x)
Answer:30-(-6) is the same as 30+6. 36 is the value of the expression 30-(-6). If it were written:
30x(-6) = -180
30-6 = 24
But 30-(-6) = 36
Step-by-step explanation:
To answer the question above, convert first the gallons to quarts. Each gallon is composed of 4 quarts such that 3 gallons is equal to 12 quarts. Dividing this value by 3 and multiplying by 2, the answer would be 8. Thus, 8 cups will be needed to make the juice.