# Questions Asked onMay 28, 2017

1. ## Maths

Sam's dad spends 1/2 of his salary every month on rent and 2/5 on petrol. What fraction is left to spent on food and other necessities for the month?

2. ## math

Two ship P and Q left a port R at the same time.Q sailed on a bearing of 150 while P sailed on the north side of Q.After a distance of 8km and 10km by P and Q respectively,their dirtance part was 12km.find the bearing of P from R.

3. ## Maths

An insect climbs 10m slippery rock in a minute and then slips down 9m in the next minute. How long will it take him to climb a 30m slippery rock?

4. ## Math

Find the least number that is multiplied to 1176 t0 make it perfect square.

5. ## geometry

Isosceles $\triangle{ABC}$ has a right angle at $C$. Point $P$ is inside $\triangle{ABC}$, such that $PA=11$, $PB=7$, and $PC=6$. Legs $\overline{AC}$ and $\overline{BC}$ have length $s=\sqrt{a+b\sqrt{2}}$, where $a$ and $b$ are positive integers. What is

6. ## History

"We came by steerage on a steamship in a very dark place that smelt dreadfully. There were hundreds of other people packed in with us, men, women and children, and almost all of them were sick. It took us twelve days to cross the sea, and we thought we

7. ## Math

Divide the sum of 78/12 and 8/3 by their difference

8. ## math

Smita and Geeta have marbles in the ratio 3:2.Geeta and Reshma have marbles in the ratio 3:5.if they have 250 marbles all together,how many marbles does Smita have???

9. ## Hindi

Biography of Aarti Saha in Hindi

10. ## math

What is the probability that a randomly selected three-digit number is divisible by 11? Express your answer as a common fraction.

11. ## math

The cost of 3 bananas 4 apples and 6 mangoes is rs.29 and the cost of 2 bananas 6 apples and 3 mangoes is rs.23.what is the cost of 7 bananas 16 apples and 12 mangoes???

12. ## calculus

Evaluate the indefinite integral as an infinite series. [cos(x)-1]/x dx

13. ## Math

Find the​ x-coordinate of the vertex of a parabola that passes through the points (0,6) and (8,6)

14. ## English

1. Swim once a month. 2. Have a swim once a month. 3. Take a swim once a month. ------------------------------- Are they all grammatical? Do we have to put 'have' or 'take' before 'a swim'? 4. Exercise regularly. 5. Have exercise once a month. 6. Take

15. ## physics

someone fires a pistol and it's bullet leaves the muzzle at t=0. The position vector of the bullet is r= ax+bty ( a and b are postive constants) what are the units of a and b so the equation to make sense what's the acceleration and velocity

16. ## English

Working on a research paper and I decided my topic is drinking and driving. I need to go deeper since my prof doesn't just want us to simply "tell her stuff" as in it can't be a list. So I'm thinking of either talking about deeper issues like Punishment

17. ## Maths

A 5 metre tall vertical pole is supported by a guy wire. The wire is attached to the top of the pole and is attached to the ground 3 metres from the base of the pole

18. ## math

Two bells were rung at a time interval of 60 minutes and 90 minutes respectively. After how many minutes will both bells be rung again?

19. ## math

What would you need to multiply by in order to solve this system of equations using the linear combination (elimination) method? {6x−2y=4 7x+5y=3 Multiply the 1st equation by 3 and leave the 2nd equation alone. This will eliminate the y's when you add

20. ## STATISTIC

A study based on a sample of size 25 reported a mean of 94 with a margin of error of 15 for 95% confidence (a) Give the 95% confidence interval. (__________,________) (b) If you wanted 99% confidence for the same study, would your margin of error be

21. ## Science

To make a saturated solution 37 gram of aluminium chloride is dissolved in 10.0 gram of water at 293 K find it concentration and this temperature?

22. ## Science

A solution contain 40 centimetre cube of alcohol mixed with 150 cm cube of water calculate the concentration of the solution

23. ## maths

Juan has twice as many brothers as sisters. His sister Maria has 5 times as many brothers than sisters. How many children are in the family?

24. ## calculus

Use series to evaluate the limit. limit as x approach 0 [1-cos(5x)]/[1+5x-e^(5x)]

25. ## Chemistry

Question: 50cm3 of 0.4 M Ba(OH)2 and 50cm3 of HA of unknown concentration is added together.At 25°C,pH of the solution is 9.With appropriate assumptions calculate the [HA] and ka of HA. My thoughts on the question: There are more than one approach which

26. ## Physics

A particle of mass 100 gm is thrown vertically upwards with a velocity of 7 m/s. Air resistance is also acting on the particle according to the equation F = -0.2v^2. ( F = Force, v = velocity of the particle ). Find how much high the ball rises. Please

27. ## math

1.y=x/(x+1)^2 and y=x^5－x ,x≥0

28. ## science

name the metals and non metals present our body

29. ## Math

Anna is making fruit punch and iced tea to serve during the day. She starts brewing the tea for the iced tea. The recipe for iced tea requires 3 tea bags for every 5 cups of water. Write an equation that can be used to determine the amount of water, c, in

30. ## Physical science

Which of the following homogeneous and which are heterogeneous? Blood, carbon dioxide,Rock, steak,iron, concrete, air,oxygen, salt, milk.

What effect will this have upon the supply. (Increase or decrease?) a large new tariff (tax) on imported tablets. My answer is decreased

32. ## Algebra

(x/x-2)+(x-1/x+1)=-1 So far I was able to get it to x + (x-1) = -(x-2)(x+1) through cross multiplying, but I'm kinda lost with what to do now. Should I convert the right side to a polynomial and add the left side, then bring it all to 1 side so it = 0?

33. ## science

Describe how you would separate a mixture of sand, iron fillings and granulated sugar