Answer:
he can run 5 meters in 1 min
Step-by-step explanation:
S = d/t
S=100m/20s
S=5m/s
Answer:3.8181818181818181818181818181818
not spam i swear
Step-by-step explanation:
Y=3(-3) x 2
y= -9 x 2
y=-18
.............
Answer:
1,890 feet
Step-by-step explanation:
2 inches=30 feet
4.2 inches= 63 feet
63ft x 30 ft= 1,890ft
Answer:
ab² - 9
Step-by-step explanation:
Given in the question an expression
(ab + 3)(ab - 3)
To product mentally we will use polynomial identity called
Difference of squares
<h3>a² - b² = (a+b)(a-b) </h3>
here a = ab
b = 3
(ab + 3)(ab - 3) = ab² - 3² = ab² - 9
