Answer:
14
Step-by-step explanation:
-3(2)+4(5) multiply -3 and 2 then multiply 4 and 5
-6+20= add -6 to 20
14
Answer:
Step-by-step explanation:
1) Cancle x from both sides.
2) Since 128 = 68 is false, There is no solution.
Answer:
x = 2
Step-by-step explanation:
the diagonals of a rectangle are congruent.
2x + 6 = 3x + 4
2x - 2x + 6 = 3x - 2x + 4
6 = x + 4
x = 2
Answer:
3 gallons
Step-by-step explanation:
We need to find the area of the floor first:
25.6*15.2=389.12
Now we divide the surface area by gallons of polyurethane.
389.12÷180=2.161777777777777777777777777777....≈2.16 gallons needed. But OH WAIT! You can't buy 0.16 of a gallon so you need 3 gallons.