# Questions Asked onSeptember 8, 2019

1. ## Physics

The steering of a car has a radius 16cm . Find the torque produce by a couple of 50N .

2. ## Math

Mira and Marie sell computers. Last month Mira sold 16 more computers than Marie. Together they sold 56. How many computers did Marie sell? I should be able to figure out the rest, I just need help with the first steps to get it set up and I should be able

3. ## Chemistry

Compute enthalpy for 2P(s) + 3Cl2(g) --> 2PCl3(l) at -639.4 kJ/mol to 2P(s) + 6Cl2(g) --> 2PCl5(s) at -887 kJ/mol to PCl5(l) + Cl2(g) --> PCl5(s) no given heat

4. ## Math

Boyd's car can travel 1891.5 miles on 48.5 gallons of fuel. How many miles can it travel on 64 gallons? I have a somewhat idea of how this problem should look like but I need some assistance on how to get the first steps going.

5. ## Pre calculus

Find cos theta and cot theta if sin =1/4 and tan theta

6. ## Math

Six square windows of side length 2 m are to be placed into 12 m wide by 8.5 m high wall as shown. The windows are to be positioned so that the vertical spacing between the windows and the wall edges are equal. Similarly, the horizontal spacings are also

7. ## Math

Quinzel and Joseph sell shoes. Last month Quinzel sold 18 less pairs of shoes than Joseph. Together they sold 52 pairs. How many pairs of shoes did Quinzel sell? I should be able to figure out the rest, I just need help with the first steps again to get it

8. ## maths

an article when sold at a profit 5% yeilds rs 50 more than sold at loss 5%.what is the cp of the article

9. ## Art

Teachers need to supply a range of materials for young children because the materials a. enable teachers to demonstrate their use b. provide a systematic means of assessment c. are consumable and must be replace often d. support children;s growth my answer

Revise the sentences using concrete words 1.She makes good grade

11. ## Physics 2

A small plastic ball of mass m = 3.00 g is suspended by a string of length L = 19.5 cm in a uniform electric field, as shown in the figure below. If the ball is in equilibrium when the string makes a θ = 17.0° angle with the vertical as indicated, what

12. ## Algebra

The first step to solve for y in y/3= 6 + x is A) to subtract x from both sides of the equation. B) to subtract y/3 from both sides of the equation. C) to divide each term on both sides of the equation by 3. ******* D) to multiply each term on both sides

13. ## Physics

Three identical conducting spheres are placed in a line. From left to right, Qa = 2C, Qb = 3C and Qc = -4C. You touch the spheres all together at the same time and then separate them. What is the charge on sphere A?

14. ## math

A ball and a bat cost \$110 total. The bat costs \$100 more than the ball. How much does the ball cost? For this system of equation, I designated x for the ball and y for the bat. I know that both equal to 110. So I wrote the first equation as x+y=110 I

15. ## physics

(a) Find the polar coordinates corresponding to (x, y) = (3.43, 1.30) m = θ =

16. ## physics

1)The traffic light turns green, and the driver of a high-performance car slams the accelerator to the floor. The accelerometer registers 29.0 m/s2. Convert this reading to km/min2. 2)Convert 4.45 103 kg/m3 to g/cm3. 3)While standing atop a building 53.6 m

17. ## chemistry

High concentrations of ammonia (NH3), nitrite ion, and nitrate ion in water can kill fish. Lethal concentrations of these species for rainbow trout are approximately 1.002 mg/L, 0.436 mg/L, and 1362.4 mg/L, respectively. Express these concentrations in

18. ## Chemistry

10.0g of caco3 was dissolved in water and made up to 1.0dm3. if 25.00cm3 of this solution requires 24.90 of 0.100mol/dm3 HCL for neutralization, calculate the molar mass of the acid salt and the atomic mass of X

19. ## Trig

I don't know how or when should I use Alpha, Beta Theta and Gamma? Which one should be used first, second, third and forth?

20. ## physics

A body of mass four kg is dropped from a height of 20m. Calculate the initial momentum and the momentum just before it strikes the ground.

21. ## Chemistry

What is meant by centre of positive and negative charge do not coincide each other?

22. ## statistics

The bottom 30% students failed an end of semester exam. The mean for the the test was 120 and the standard deviation was 17. What was the passing score?

23. ## science

what can be used to reduce friction

24. ## Physics

A man can still swim in water at speed 3km/h. He want to cross a river that flows at 2km/h and reach directly opposite to the starting point 1) find in which direction should he try to swim and find the angle of his body makes river fkowst 2) how much time

25. ## Physical science

A car is traveling at a speed of 30.m^-1 when a traffic light,40 ahead turns red.the driver take 1 second to react ( reaction time) before he slams on the brakes.The car stopped within 2 seconds. Will the car stop at traffic light? Show by calculation

26. ## chemistry/physics

Convert 159 mi/h to m/s. Convert 4.45 103 kg/m3 to g/cm3. please explain in detail with full steps

27. ## art

In the -------center, children actively explore materials that help develop conceptual understanding such as shapes, size, and volume. a. manipulative and math, b. discovery and science, c. library and literacy, d. dramatic play my answer is a.

28. ## algebra

a tank is the porm of an iverded regular pyramid with a square base 3 meters in on a side and a heigth of 5 meters how many liters of water are in it if the depeth of the water is 3 meters

29. ## art

outdoor storage should be . a. temporary, b. located on the playground, c. accessible by the children,. d.generated to and sized for adults my answer is D.

30. ## Math

There are 300 passengers on board an airplane. 2/3 of them are men, ¼ are women and the rest are children. How many children are there?

31. ## math

z is partly constant and partly varies as D when d=1,z=11and when d=2,z=5 find Z when d=4

32. ## Science

Before 1896, many scientist concluded that like he’s not pass through black paper. In 1896, Henri becquerel observed that uranium salts could cause a plate covered by black paper to react as if light had reached it. How did this observation affect

33. ## math

Val measures the perimeter of her rectangular garden as 52 ft. The width is 2x - 1 and the length is x + 3. What is the length and width in feet?

34. ## Algebra

The cost of CAKES BY KATE to make a cake is a setup fee of \$30 plus \$9 per cake tier. The cost of MAGICAL BAKERY is \$45 for a setup fee and \$6 per cake tier. When would the costs be the same? (How many cakes would you need to purchase) Which company would

35. ## Math

Juan is buying a home priced at \$257,500. If he needs a 12% down payment, how much is the down payment?

36. ## Math

Use the pie chart "What is Your Favorite Cookie?" to find the reduced fraction equivalent for sugar/shortbread cookies. PNGChocolate chip 53% Peanut butter 20% Oatmeal 17% Sugar/Shortbread 7% Other 3% Reduced Fraction: Really confusing problem.

37. ## Math

Solve the following for the rate. Round to the nearest tenth of a percent when necessary. _____% of 50 is 25 Do not enter the percent symbol in your answer. I have tried this over and over but it says my answer is wrong. any help would be great.

38. ## Math

80% of the students at a college are from in-state. If 4,800 students are from in-state, how many students attend the college?

39. ## chemistry

The solubility of a compound in water is 6.8g/100ml at 25°c calculate the amount of water required to crystallize 10grams of the compound if the pure compound is collected at 25°c what is the maximum possible yield percent?

40. ## Calculus

Find the vector, not with determinants, but by using properties of cross products. k × (i − 5j)

41. ## Math

ranslate into an equation: 6 times the difference of V and 14 gives 204.

42. ## Algebra

i need someone to check my Answers

43. ## Math

An architect uses a scale of inch to represent 1 foot on a blueprint. If the north wall of a building is 36 feet long, how long will the line be on the blueprint? Do not enter units.

44. ## Math

Hey everyone! I'm trying to help my brother out but having a hard time with this problem. anyone with steps to solve would be appreciated! Thank you! Translate into an equation: The cost of T lbs at \$2 per lb is \$62.

45. ## American Literature

In my american literature class I had to choose a quote about Hernan Cortés's Second Letter to the Spanish Crown and this is the one I chose, “Amongst these temples there is one, the principal one, whose great size and magnificence no human tongue could

47. ## Math

If Chong earns \$69.00 for 12 hours of work, how many hours must she work to earn \$362.25? Do not enter units. If im correct would it be 30 hours?

48. ## Physics

Runner 1 is standing still on a straight running track. Runner 2 passes him, running with a constant speed of 1.5 m/s. Just as runner 2 passes, runner 1 accelerates with a constant acceleration of 0.73 m/s^2. How far down the track does runner 1 catch up

49. ## Algebra

The height of a triangle is 6 inches less than the base. The area of the triangle is 67.5 square inches. Find the length of the base and the height of the triangle.

51. ## Algebra

The product of Donnie’s savings and 4 is 48

52. ## algebra

Two more than four times a number minus 3 is the same as 12 times the number plus 3. Find the number

53. ## English

Is the phrase below correct? “Ten milliliter of water residue”

54. ## physics

A cart starts from rest at the top 5.0 degree incline track. If the track is 85 cm long how much time ( in seconds) do you predict that it will taje to reach the end? use 9.8m/s^2 and round to two sig fig

55. ## Riddle

welcome to my house play that music toooo loud we don't have to gooo ouuut okay aside from the musical number heres your hint SoundCloud rapper. Internet. Hidden in plain sight. I'm trying to figure out the answer to this riddle. Somebody help????

56. ## algebra

Show the steps how to solve" I = Prt solve for P

57. ## Math

Reha scored 30 goals in anetball match. She scored 10 in the first half. What fraction of goals was scored in the second half?

58. ## math

Two less than the product of 16 and Greg's height