Answer: 16cm
Step-by-step explanation:
l = 4w
2l + 2w = p
2(4w) + 2w = 40
8w + 2w = 40
10w = 40
w = 4 cm
l = 4w = 4(4) = 16cm
Answer:
As the height increases, the temperature decreases.
It is decreasing 5°C per kilometer.
At the height 8 km the temperature is 0°.
Answer:
Step-by-step explanation:
acid=16.5 % of 348
=0.165×348
≈57.4 ml
Answer:
6m + 18 ≥ 42
Step-by-step explanation:
6m + 18 ≥ 42
------