Other Math Answers

three of the below given numbers are similar in a certain way find the number which is not similar 1320 ,1716 ,2184 and 2734 ?

two trains 210m and 240m lon run on parallel tracks in the same direction.speed of the first train is 90m/hr and the second train crosses the first train in 36sec.find the time taken by them to cross in the opposite direction.

Mr Singh spends 1/4 of his monthly salary on the repayment of a housing loan. Of the remainder, he spends 1/5 on food and the PUB bill, and puts aside 1/10 for transport costs. This leaves him with $630 a month. What is his monthly salary?

Use logical reasoning: Xenia corresponded on a regular basis with three pen pals. She wrote to all three on one Friday in 2003. She know she would next write to Daksha in India on Thursday two weeks after that, then on Wednesday in the fourth week. She would write to Leonel in the Dominican Republic every Friday. Finally, she would write to Catherine every fourth day, since they had been good friends before Catherine moved to England. On what date in 2003 did Xenia write for the second time to all three pen pals on the same day?

Four Balls of wool will make 8 knitted caps. How many balls of wool will Malcolm need if he wants to make 6 caps

1: RX: Lamisiln 200mg tablets
Take 1/2 tab QD for 42 days
How many tablets do you need to fill this prescription?
What is the total mg dose dispensed?
2: Cefazolin is supplied in 1 gram vials of powder which is reconstituted with 2.5 ml of NaCI for injection for a final volume of 3ml. What is the approximate concentration of Cefazolin in each milliliter?

Is it possible to get 804 by using only 100, 25, 50, 75, 2 and 3

round 4.99 to 3 significant figures

You are given a transition matrix P. Find the steady-state distribution vector

P =
0.3 0 0.7
1 0 0
0 0.4 0.6

hello, i don't understand how to the stedy-state vector system works. i have already tried multiplying
P by[ 0.3 0 0.7] that did not work, i also tried multiplying it by [ x y z] but it didn't seem to work.

extra info:
the example that i was looking at in the book did this

[ x y] [.8 .2]
.1 .9
so i assumed that i could do the same with x y z

A number is increased by 15% and then decreased by 10%. Find the net increase or decrease per cent.