# Ali

Newest questions and responses by Ali
1. ## Social studies

What is the difference between a direct and a representative democracy(or indirect)

2. ## Science

why some people can keep fit by just walking yet others need lots of running around

3. ## Science

why some people can keep fit by just walking yet others ne lots of running around

4. ## US History

For this portfolio project, you will conduct research and examine documents that show the thoughts of both immigrants and people who opposed immigration. You will use the research and primary documents to write an essay in which you answer the question:

5. ## Fact file

give one place where vascular bundles are close together

6. ## Fact file

give one place where vascular bundles are spread out

7. ## Scince

suggest and explain what happens to the movement of sugar in winter when a tree has no leaves

8. ## English

I read a story and now it asking me to identify the theme. I don’t know how to identify a theme. Can you give me some tips and make me understand what that means. How am I suppose to find those clues in a story that tell me this is a theme or some clues.

9. ## Math

Subtraction with renaming Am very confused. Am trying to teach my little brother but am getting everything wrong. I have the right answer but the work does not add up to that. 6 - 3 2/5 I got 3 2/5 but the answer is 2 3/5 I donâ€™t understand can you

10. ## Math

The question asked whether or not f(x) = 0.5e^x when x is less than or equal to zero and f(x) = 0.5e^(-x) when x is greater than or equal to zero is a valid probability density. I know that it is the integral... but usually you have a domain that is not a

11. ## science

what grow throughout their life but what grow only upto certain age

12. ## Math

Sandra needs 2 5/8 yards of rope she needs for her class project. She has 5 pieces of rope that are each 3/8 yards long. Does Sandra have enough rope. If not explain why. My son wrote no she doesn’t she needs 18 more yards of rope. Can you explain this

13. ## Physics

A 0.50 kg mass is attached to a spring with spring constant, k= 43.8N/m. Suppose the mass is pushed upward, so that it rises past the spring’s unstretched position, compressing the spring. Calculate the net force on the mass when the spring is compressed

14. ## Physics

a canon fires shell at 300m/s. at what angle must it aim to hit a target 5.0km away?

Solar Eclipse Watch Event Downtown Metro Airport, August 21, 9 a.m. Sponsored by the State Astronomical Society On August 21, our area will experience a total solar eclipse at 1:08 p.m. The Downtown Metro Airport will redirect all flights to the State

16. ## Science

A drop of oil of volume 10^10m spread out on water to make a circular film of radius 10^1m. What is the thickness of the film

17. ## Geometry

When constructing inscribed polygons and parallel lines, how are the steps different? A. A protractor is used to take measurements B. Four right angles are created. C. A compass is used to copy an angle. D. There are no similarities. I think it's C? What

18. ## Math

1) for any three consecutive numbers, what can you say about odd numbers and even numbers? Explain. 2 A)Mirari conjectures that, for any three consecutive numbers, one number would be divisible by 3. Do you think Mirari is correct? Explain. 2 B) Gia claims

19. ## Science

1. What is the response of cells in the collecting tubules in the nephrons when antidiuretic hormone AHD is secreted? a. The tubules become impermeable to water b. Serum potassium retention increases c. Large quantities of dilute urine are formed d. Water

20. ## math

1. One of the dice is rolled once. What is the probability, expresses in a percent, of getting an even number? a. 33% b. 50% c. 20% d. 75% 2. One of the dice is rolled once. What is the probability, expressed as a percent, of getting the number 5?

21. ## Math

1. Sally was able to eat 5/8 of her lunch. John ate 75% of his lunch. Who are more of their lunch? a. John b. Sally c. They both ate the same number amount d. The amount cannot be calculated

22. ## Grammar

Select the word or phrase that makes the sentence grammatically correct. 1. A tuberculin skin test should be read within 24 hrs. ____ administration. a. Of b. Since c. As d. From 2. The student ______ for the final exam. a. Didn’t studied b. Was studying

23. ## History

What is the least important reason for the 7 years war and why?

24. ## Math

Given the following points determine whether the transformation was a Rotation(specify direction and size), a reflection(over what point/line) or trasnlation(specify the rule). 1. C(0,4). C'(2,6) N(-2,3) N'(0,5) 2. G(0,0) G'(4,0) R(-1,4) R'(5,4) 3.

25. ## Math

Given the following points determine whether the transformation was a Rotation(specify direction and size), a reflection(over what point/line) or trasnlation(specify the rule). 1. C(0,4). C'(2,6) N(-2,3) N'(0,5) 2. G(0,0) G'(4,0) R(-1,4) R'(5,4) 3.

26. ## Math

Given the following points determine whether the transformation was a Rotation(specify direction and size), a reflection(over what point/line) or trasnlation(specify the rule). 1. C(0,4). C'(2,6) N(-2,3) N'(0,5) 2. G(0,0) G'(4,0) R(-1,4) R'(5,4) 3.

27. ## Math

Given the following points determine whether the transformation was a Rotation(specify direction and size), a reflection(over what point/line) or trasnlation(specify the rule). 1. C(0,4). C'(2,6) N(-2,3) N'(0,5) 2. G(0,0) G'(4,0) R(-1,4) R'(5,4) 3.

28. ## Math

find the largest number of four digits which is exactly divisible by 18 25 and 35

29. ## civic education

youth empowerment skills

30. ## Geometry

If ABCD = QRST, m∠A = x-10 and m∠Q = 2x-30, what is the m∠A

31. ## phy

a landscape architect is planning an artificial waterfall in a city park. water flowing at 1.70 m/s will leave the end of a horizontal channel at the top of a vertical wall h =2.35 m high . and from there it will fall into a pool ( Fig . P4.18) (a) will

32. ## math

The difference of two number is 33. the larger number is one more tHan three time the smaller number .find the number.

33. ## physics

a block of mass 0.1kg is attached to spring and placed on a horizontal frictionless table .the spring is stretched 20cm when a force of 5n is applied.calculate the spring constant

34. ## Maths

64 men can complete a work in 15 days.to complete the same work in 12 days how many more men are required

35. ## chemistry

Calculate the amount of silver deposited at cathod when 5 ampere of current is passed for 50 minutes through a solution of AgNO3

36. ## Math

The Mall: My sister likes to go shopping. Yesterday she borrowed a wad of money from Mom and went to the mall. She began her excursion by spending \$18 on a new CD. Then she spent half her remaining money on a new dress. Then she spent \$11 on lunch. Then

37. ## Math

The value of the expression (6x^3y)(8x^2y^4) for x = 2 and y= -1 is?

38. ## ed tech HELP PLS

why is it important to take responsibility for your online publications? a. What you post can hurt or slander others*** b. people will know who the author is c. your parents need to see what you post d. what you post is important for your grade

40. ## english

which word is right?? I'm going forward to on vacation next months . go.going to go.be go.going

41. ## health help mrs.sue pls

alcohol is categorized as drug stimulant depressant carcinogen only 2

42. ## health PLS HELP 35% OF GRADE

alcohol is categorized as a drug a stimulant a depressant a carcinogen pick 2 only

43. ## ELA

What would be a good thesis statement for comparing and contrasting Pop and Christian music?

44. ## examples of pop singers

Who are some appropriate pop singers. I need it for a ELA paper due today.

45. ## ELA

Which of the following shows a transition? although however ( my answer ) just as whereas

46. ## math

find a commission on a \$1,250 sale with a commission rate of 5%. \$62.50 \$6.25 \$75.00 \$125.00 HELP PLSSS

47. ## chem

ethanol melts at -114c the enthalpy of fusion 5.02 kj/mol the specific heats of solid and liquid ethanol are 0.97 and 2.3 respectively . how much heat is needed to convert 25 g of solid etanol ay -135c to liquid ethanol at -50c?

48. ## HISTORY

Why was the early West considered a "crossroads of culture"? A: Mexico originally owned the land, so the cultures of Americans, Mexicans, and Native Americans were all present in the West. B: The California Gold Rush brought in people from all over the

49. ## Science

Two drivers start at the same time to make a 100- km trip. Driver 1 takes 2 hrs to complete the trip. Driver 2 Thames 3 hrs, but stops for an hour at the halfway point. Which driver had a greater average speed for the whole trip? Explain

50. ## Social Studies

which river flowing through Ukraine serves as an important route to the black sea?

51. ## Physics

A ball is allowed to fall freely from certain heightn. What distance it covers in 1st second?

52. ## Math

Beth is waiting for her friends plane to land. the plane will land at time T uniformly distributed in 70 minuetes. Determine the probability that the Plane will land in 30 minutes?

53. ## engineering

b) The crank OA of a mechanism, as shown in the figure, rotates clockwise at 120 r.p.m. The lengths of various links are OA = 100 mm ; AB = 500 m ; AC = 100 mm and CD = 750 mm. Find by instantaneous centre method: 1. Velocity of point C. 2. Velocity of

54. ## math

Find a polynomial, which, when added to the polynomial 5x2–3x–9, is equivalent to: 0

55. ## math

a man was trying to swim to a buoy placed at a distance of 200m out in the sea. it took him 1 min to swim 20m. then a wave pushed him back 10m and he rested for about 1min before swimming again. he continued in his way for the rest of their journey. how

56. ## math

the length of a rectangle is 2 less than 3 times the width. the perimeter is 20 cm. find the length, width, and area of the rectangle. i got stuck after L=3W-2 but i'm not sure what to do after.

57. ## Physics

A car with its passengers have a total mass of 4200kg .the car is travelling along a horizontal road when it moves ,it experiences a forward driving force of magnitude F newtons and a constant resistance force(opposite to driving force)of 850N a)what is

58. ## Physics

A 40 kg child start from rest and travels 4 m down a slide that is inclined 35 degree to the horizontal. If her speed at the bottom is 2.5 m/s , what was the frictional force along the slide?

59. ## math

John and Bryan share Rs 1500.If John gets twice as much as Bryan,how much money does Bryan have?

60. ## Material mechanics

following data was obtained from a tensile test of steel. The test specimen was 15mm in diameter and 50 mm in length Load (kN) Elongation(mm) 5 0.005 10 0.015 30 o.048 50 0.084 60 0.102 64.5 0.109 67 0.119 68 0.137 69 0.160 70 0.229 72 0.300 76 0.424 84

61. ## Material mechanics

A flat plate specimen of a soft metal alloy is to be tested by pulling on round pins inserted through the ends of the plate, as illustrated below (a) Calculate the required diameter of the pins, given that the plate is 8.0 mm thick, the maximum tensile

62. ## math

Write each equation in slope-intercept form. Underline the slope and circle the y-intercept in each equation. 4y=–6+4x all i got is that the y int. is -3/2 and that is correct

63. ## math

Give the equation of a line that is parallel to y=3 through the point (4,4).

64. ## Math

Prove that angle a is equal to angle E if angle D is equal to angle c Science I can't put the picture of the triangle I will try and explain it Two triangles that connect on one angle >< like this but a triangle and the angle in the middle ^ ( the angle

65. ## Algebra

I'm thinking of a number. When I multiply it by 6 and subtract 30, the answer is 78 What is Noah's number?

66. ## Chemistry

Solid AgNo3 is added slowly to solution of 0.001M Cl,Br,and I a) at what concentration of Ag will AgI precipitating? at what concentration of Ag will AgCl precipitating? at what concentration of Ag will AgBr precipitating? b) calculate the percent % of I

67. ## Chemistry

Solid AgNo3 is added slowly to solution of 0.001M Cl,Br,and I a) at what concentration of Ag will AgI precipitating? at what concentration of Ag will AgCl precipitating? at what concentration of Ag will AgBr precipitating? b) calculate the percent % of I

68. ## physics

On a roller coaster, a student experiences an apparent weight of 1250 N while accelerating at 2.3 m/s^2 [U]. What is the students mass?

69. ## Math

Mr. Kole has 30 students in his class he has twice as many girls as boys what is the ratio of boys to the class

70. ## nts

how to pass nts

71. ## Homework 2

Harmony are agreeable features of classical music. are not supposed to use in here because harmony is singular. right or wrong??

73. ## elm and sanat

“You can’t tell a book by it’s cover” is an old adage. I guess the cover is wrong. am I right?

The National Aeronautics and Space Administration (NASA) has just released some startling information. The Earth's temperature reached its highest point in 136 years of record-keeping during July. "July 2016 was absolutely the hottest month since the

75. ## Math

An electronic firm finds that 3/64 of the resistors it makes are defective. What percentage is this?

76. ## chemistry

which of following show cistrans isomerism?

77. ## chemistry

how many moles of fe are present in 30g of rust?

78. ## Finance math

A bank pays 10% compounded annually on its three-year fixed deposit account. At the end of the three years, a 3% bonus on the final amount will be paid. find the effective interest rate that will be earned on this scheme

79. ## math

Mr. Ali purchases a government bond for five years which gives simple interest 12% p.a. At the time of maturity he gets back 160000 AED. What amount he has invested?

80. ## Stats

Suppose a Normal model describes the fuel efficiency of cars currently registered in your state. The mean is 27 mpg, with a standard deviation of 4 mpg. Describe the mileage of the most efficient 3% of all cars. a. greater than 24.9 mpg b. greater than

81. ## physics

An aircraft flying at a horizontally height of 8000m above the ground at 200 metre per second drops a bomb on it's target on the ground. Find the angle between the vertical and the line joining the aircraft and the target immediately the bomb is released.

82. ## physics

An aircraft flying at a horizontally height of 8000m above the ground at 200 metre per second drops a bomb on it's target on the ground. Find the angle between the vertical and the line joining the aircraft and the target immediately the bomb is released.

8a+2a

84. ## Science

When 25.0 ml of a solution containing both Fe2+and Fe3 +ions is titrated with 23.0 ml of 0.0200M KMnO4(in dilute sulphuric acid), all the Fe2+ are oxidised to Fe3+ ions. Next, the solution is treated with Zinc metal to convert all the Fe3+ ions to Fe2+

85. ## Physics

At what displacement the instantaneous velocity become equal to half of its maximum velocity? Plz help me

86. ## chemistry

Why reversible reaction never complete

87. ## Math

"Carlos started at sea level, climbed a cliff to a height of 14 m, then dived 19 m. Find the level at which his dive ended."

88. ## financial mathematics

bernard burrows rm8889 at 15%per annum simple interest. he agrees to settle the loan by paying x ringgit, 2x ringgit and 3x ringgit in two months, five months and nine months respectively.find the value of x using the present as the focal date

89. ## Physics

Find the longest wavelength by resonating air in 20 cm tube which is opened both ends

90. ## Science

The moon is about 384000 km the earth and its paths around earth is circular. The moon taken 24hr to complete one orbit. The speed at which the moon orbits the earth in km/ hour is

91. ## chemistry

the solubility of Mg(OH)2 at 25C is4.6x10^-3 g/100cm3? what is the solubility product of M g(OH)2?

92. ## Math

Find the volume of revolution when the region enclosed by the functions f(x)= e^x , g(x)=e^-x ,and the two lines is revolved about the x-axis Solution V=intergrate e^2x-e^-2x dx From -1to1 1/2e^+e^-2x when you sub and cal. =0 why please help me

93. ## Math

The intensity of light passing through a lens can be found using the formula I=Io - Io / csc^2 theta, where Io is the intensity of the light coming in, I is the intensity of the light that emerges or goes out of the lens, and theta is the angle between. a)

94. ## Math

Carter left town A at 8 a.m driving toward town B at an average speed of 60 mph. At 8:30 a.m, Mihn headed from town B to town A along the same road. At 11 a.m, they met each other along the way and Carter realized that he had completed 80% of his journey.

95. ## math

sally put red ,white,and blue handkerchiefs in a drawer. One-third of the hand kerchiefs were red ,one -fourth of the hamdkerchiefs were white and ten were blue. how many handkerchiefs of each color were there?

96. ## Social Studies

The Belief that the United States was set apart to extend its boundaries to the pacific was called A) America's Destiny B) Redezvous C) Manifest Destiny***** D) Joint Occupation Is C correct?

97. ## simple interest

A total of \$12,000 is invested into two simple interest accounts. On one account the annual simple interest rate is 12%, while on the second account the annual interest rate is 18%. How much should be invested at 12% so that the interest earned is the

98. ## simple interest

A total of \$8000 is deposited into two simple interest accounts. On one account, the annual interest rate is 10%, while on the second account the annual simple interest rate is 12%. How much should be invested in the 10% account so that the total annual