# Questions Asked onApril 18, 2020

1. ## world history

What was the outcome of the attempts to try Ottoman war criminals after the Armenian Genocide? Military officials were convicted and executed, but politicians were acquitted. Although more than 100 were arrested, trials were not held because international

2. ## world history

Which identify key colonial holdings that Allied power nations continued to control after World War I? Select all that apply. Britain in India Russia in Poland United States in Japan France in Vietnam I think its a and c but my text didnt explain it very

3. ## math

given that 2x^2-kx+18 is a perfect square,find k and hence solve the equation 2x^2-kx+18=0

4. ## maths

the length l cm of a simple pendulum is directly proportional to the square of its period (time taken to complete one oscillation ),T seconds. A pendulunm with a length of 220.5cm has a period of 3s find the equation connecting l and t

5. ## Math

If the length of a rectangle is increased by 10% and the width is decreased by 10%, is the are changed? If so, does it increase or decrease and by what percent? Please explain, I’m so confused

6. ## math

In a probability experiment, Eric flipped a coin 33 times. The coin landed on heads 22 times. What is the ratio of heads to tails in this experiment?

7. ## Physics

A fully charged capacitor and a 0.32-H inductor are connected to form a complete circuit. If the circuit oscillates with a frequency of 4.1 ✕ 103 Hz, determine the capacitance of the capacitor.

8. ## English

lincolns gttysburg address lasted only two minutes

9. ## maths

the area of a circle of diameter 126cm is 4158cm^2 calculate the substended at the centre of a circle

10. ## physics

A strong lightning bolt transfers about 27 C to Earth. How many electrons are transferred? The elementary charge is 1.60218 × 10−19 C.

11. ## physics

In a thundercloud there may be an electric charge of 60 C near the top of the cloud and −60 C near the bottom of the cloud. If these charges are separated by about 3 km, what is the magnitude of the elec- tric force between these two sets of charges? The

12. ## Calculus

From first principles (ie using the tangent slope method), find the slope of the following curves at the given value of x. y=3x^3+1 at x=-4

13. ## Physics

An electric field does 14 J of work on a 0.0008 C charge. What is the magnitude of the voltage change? Answer in units of V. The same electric field does 28 J of work on a 0.0016 C charge. What is the magnitude of the voltage change now? Answer in units of

14. ## physics

In a machine ,a load of 160Newton is lifted up by an effort of 25Newton.the velocity ratio is 8,what is the efficiency of the machine

15. ## math

We are given a stick that extends from 0 to x . Its length, x , is the realization of an exponential random variable X , with mean 1 . We break that stick at a point Y that is uniformly distributed over the interval [0,x] . 1. Find joint PDF fX,Y(x,y) of X

16. ## Geometry

There are 13 favors at the soda machine, and anyone can choose 6. A sign says we are only allowed to use one of each favor. You decide to grab a cup and fill it up with your favorite favors at random (it’s all going to the same place, right?). How many

17. ## Physics

Two identical cars approach an intersection at the same speed at the same time as shown in the diagram. Car A takes a left turn into the left lane and car B takes a right turn into the right lane, as shown. Neither car changes speed during its entire turn.

18. ## chemistry

How many moles of oxgen are in one mole of calcium carbonate?

19. ## chemistry

A compound weighing 42 grams was found to contain 12 grams of magnesium,6 grams of carbon the rest oxgen.Determine the empirical formular.i got MgCO3.am i right or wrong

20. ## Algebra

Solve: x^2+4x−5=0

21. ## Math

Find the solution(s) that satisfy both equations: a) x^3 + x^2 -20x 0

22. ## math

If you roll a 6-sided die 96 times, what is the best prediction possible for the number of times you will roll an even number?

23. ## algebra

John has let out 50 meters of kite string when he observes that his kite is directly above a point on the ground 30 meters away from him, how high is the kite?

24. ## math

Choose 5 ordered pairs whose first component is the opposite of the second component. Plot these points and connect them. What kind of figure do you get? In what quadrants does the figure lie? Please help me - thanks!

25. ## Organic Chemistry

Write down all the products of the aldol-condensation reaction of Propanal (1 mol) and 1-Ethylcyclopentanecarbaldehyde (1 mol) and properly show the mechanism of all reactions. Can you help me please

26. ## Physics

The figure below shows a circuit with em f = 5.00 V, R = 6.10 Ω, L = 76.0 mH, and C = 2.60 µF. After a long time interval at the position a shown in the figure, the switch S is thrown to position b at time t = 0. (a) What is the maximum charge on the

27. ## Physics

A force of 25 N is needed to move automobile wheels up a smooth incline 10 m along in an automotive plant. a. If each of the wheels weighs 125 N what work is done on each? b. How high above the floor is the top of the incline?

28. ## Chemistry

Copper(I) ions in aqueous solution react with NH3(aq) according to Cu+(aq)+2NH3(aq)⟶Cu(NH3)+2(aq)𝐾f=6.3×1010 M−2 Calculate the solubility (in g⋅L−1) of CuBr(s) in 0.22 M of NH3(aq).

29. ## science

It is necessary to build a ramp from the ground to the side door of a cargo aircraft. The door is 10 feet above the ground, and to load the equipment, the ramp the ramp must not have an angle greater than 15 degrees. The ramp must be ___ long.

30. ## Math

John claimed he had a garden twice as large as Al’s rectangular shaped garden that measured 15ft by 30ft. When they visited johns rectangular shaped garden they found the measurements to be 18ft by 50ft. Al claimed that it could not be twice as large

31. ## Math

Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. Find the area of the complex figure. A figure has 8 sides; all sides meet at right angles. The left-most vertical side measures 31 meters. The lower

32. ## Physics

A jet engine applies a force of 300 N horizontally to the right against a 50 kg rocket. The force of air friction 200 N. If the rocket is thrust horizontally 2.0 m, what is the kinetic energy gained by the rocket.

33. ## Math

How does 1=5.85e^(-x/(5*10^-5)) become e^(x/(5*10^-5))=5.85? This confusion I don't how this could be possible.

34. ## Math

Given a geometric progression whose common ratio is 2, if the sum of the 6th to 7th terms is 288, determine the sum of the 4th to 15th terms inclusive.

35. ## Math

An equilateral of sidewalk 20cm is lnscribed in a circle calculate the distance of a side of the triangle from the center of the circle

36. ## Math

A random variable X is generated as follows. We flip a coin. With probability p, the result is Heads, and then X is generated according to a PDF fX|H which is uniform on [0,1]. With probability 1−p the result is Tails, and then X is generated according

37. ## algebra

Solve 18x=45+3x^2

38. ## Math

Factories the following quadratic equations 10Y2 + 21Y-10

39. ## Math

your class is conducting an experiment to study geometric sequences. The class forms a line. the first person takes a whole pizza,divides it in half, keeps half, and hands it to the next person. The next people in line do the same with there peices. Which

40. ## Math

a cashier collected \$312 from the sale of 50 tickets. An adult ticket costs \$8, a child ticket costs \$4. How many tickets of each type did the cashier sell?

41. ## maths

Divide 2 x squared plus 3 x space minus space 14 by (x-2) the result is

42. ## math

Your job is to sort and sack marbles for sale. A bag contains 120 marbles, some red and some blue. If there are 80 blue marbles, what is the ratio of red to blue marbles?

43. ## Physics

h ttps://www.google.com/search?q=velocity+of+ball+after+rebounding+is+4.6&source=lnms&tbm=isch&sa=X&ved=2ahUKEwiAu-nqpfLoAhXMwzgGHeUSD2MQ_AUoAXoECAoQAw&biw=1366&bih=656#imgrc=4JDD8NnQiwxwvM No space between h and t. For the velocity immediate after

44. ## Science

Which of the following plants reproduces by spores? A-Fern B-Corn C-Pine tree D-Dandelion I don't understand the question

45. ## Logic

Teddy: Both Leon and Peter lied Leon: One of them(Teddy or Peter) was truthful Peter: One of them(Teddy or Leon) was lying