She went 3.5 feet per second down for 90 seconds
3.5*90 = 315 feet below
2.2*30 = 66 feet up
315-66 = 249 feet below.
So, she must go up at 4.8 feet per second.
249/4.8 = 51.875 seconds
52 seconds when rounded
Answer:
B. 62.93 cm²
Step-by-step explanation:
Formula to find area of triangle :
* b * h
* 20.3 * 6.2
62.93 cm²
Answer:
5/18 ÷ 4/9
Step-by-step explanation:
because 3/8 ÷ 3/5 equals to 5/8 and 5/18 ÷ 4/9 also equals to 5/8
Answer:
The complete explanation and solution is attached below:
Explanation: