Answer:
D
Step-by-step explanation:
40x + 80 > 200
40x (+ 80 - 80) > 200 - 80
40x > 120
40x/40 > 120/40
x > 3
The line needed to have an open circle (x is not greater than or equal to) and it needed to go towards the right on the number line.
Answer:
9
Step-by-step explanation:
3^3 is 27 so
27·27/3^4
3^4 is 81 so
27·27/81
27·27 is 729 so
729/81
729÷81 is 9
Answer:
your answer would be D
Step-by-step explanation:
Substitute the x= 3y-1 in place of the x in the second equation
Subtract Like terms
Add 3 to both sides
Divide by 3(the coeffcient of y)
Answer is 5