Answer:
333
Step-by-step explanation:
Answer: 8
hours
Step-by-step explanation:
Let x represent the time it takes if both are used.
The unit time it takes to fill the pool using the first house is 1/20 and also the unit time it takes to fill the pool using the second house is 1/16 , therefore:
1/16 + 1/20 = 1/x
= 
= 
Therefore
x = 
Therefore, it takes 8
hours using both houses
<span>Please be more clear with what you want for your answer. </span>
Answer:
7009opl
Step-by-step explanation:
1) tan 41°= 30cm divide by y cm
y= 30 divide by tan-1 41°