Answer:
1
Step-by-step explanation:
Area of rectangle
lw
So we have to factorise the expression
x²+13x+42
x²+6x+7x+42
x(x+6)+7(x+6)
(x+7)(x+6)
So
x+7-(x+6)
x+7-x-6
1
The First Answer is 0.4 and the second answer is 0.75.
Answer:
2,325.58 Gallons
Step-by-step explanation:
20,000÷8.6=2,325.58
2x + 5x + 4 = 25
7x + 4 = 25
7x = 25 - 4
7x = 21
x = 21/7
x = 3 <==
Use pythagorians theorem a^2 + b^2 = c^2. 4^+20^ = 20.40 feet. The ladder is 20.40 feet long.
