Answer: Harriet Tubman was a black abolitionist who helped in the underground railroad to free slaves out of bondage.
The Biden administration wants to put her on the $20 bill.
do i agree with that? yes, especially because Andrew Jackson is on the $20 bill, even though he said himself that he is against paper currency. Harriet Tubman is a person who should be honored for what she's done, she deserves to be on the $20 bill.
Explanation:
There is a subtle difference between Arctan and arctan
Arctan(x) is an inverse function such that the range is only the principla value
meanwhile, arctan(x) takes on infinitely many values
hope this helps
Answer:
A) 1:2
Explanation:
With its existing accessible sanitation facilities in Mumbai, the ratio of availability of toilets comes to around 52 to 100 people per toilet seat, since in many areas the gap between demand and availability is huge.
Over 90 million toilets have been built across rural India so far, taking the national rural sanitation coverage to over 98% today, up from 39% in 2014.
52 to 100 people per toilet seat,
That is ratio of approximately 1:2
