Answer:
7 dm
Step-by-step explanation:
Pour un carré,
aire = (côté)²
(côté)² = 49 dm²
√[(côté)²] = √(49 dm²)
côté = √(49 dm²)
côté = 7 dm
Answer:
-17.4+16.2b
Step-by-step explanation:
I just guessed and it was right
In one revolution of the wheel, a point on the edge travels a distance equal to the circumference of the wheel.
The wheel has radius 1 ft, so its circumference is 2π (1 ft) = 2π ft.
Then the point has a linear speed of
(1/4 rev/s) * (2π ft/rev) = 2π/4 ft/s = π/2 ft/s
Answer:
A) 4
Step-by-step explanation:
10 divided by 2 = 5
15 divided by 3 = 5
so 20 divided by 4 = 5