# Questions Asked onAugust 29, 2015

1. ## Math

Question: 1 The product of two positive numbers is 15876 and the large one is 9 times the other. Find the numbers. Question:2 Th sum of the squares of two positive whole numbers is 794. If one of the numbers is 13 , find the other.

2. ## Physics

A black mamba snake has a length of 4.3 m and a top speed of 8.9 m/s! Suppose a mongoose and a black mamba find themselves nose to nose. In an effort to escape, the snake accelerates at 20 m/s2 from rest. (a) How much time does it take for the snake to

3. ## calculus

The base of a solid is bounded by the curve y= sort (x+2) ,the x-axis and the line x = 1. The cross sections, taken perpendicular to the x-axis, are squares. Find the volume of the solid.

4. ## calculus

Find the domain for the particular solution to the differential equation dx/dy=1/2x, with initial condition y(1) = 1.

5. ## Chemistry

A syrup is added to an empty container with a mass of 104.70 g . When 0.140 pint of syrup is added, the total mass of the container and syrup is 150.01 g . (1 qt = 2 pt) 0.140 pint= 66.2 mL 150.01g mass container and syrup 104.70g mass empty container

6. ## Health

Characteristics caused by hormones but that do not include development of reproductive organs are called........ A. primary sex Characteristics B. secondary sex characteristics*** C. physical Characteristics D. body Characteristics Please tell me how I am

7. ## calculus

R is the first quadrant region enclosed by the x-axis, the curve y = 2x + b, and the line x = b, where b > 0. Find the value of b so that the area of the region R is 288 square units.

8. ## maths

The four angles of a pentagon is 40 degrees ,75 degrees ,125 degrees and 135 degrees .the measure of the fifth angle is ? give the solution how its came

9. ## Science

1)A scientist at a chemical company designs and conducts an experiment to determine if a chemical made by the company is harmful to crops. To do this, he sprays the chemical on three plants he has in the laboratory. None of the plants survive. The

10. ## math

Let f(t) = Q0at = Q0(1 + r)t. f(7) = 75.94 and f(9) = 91.89 (a) Find the base, a. (Round your answer to two decimal place.) a = (b) Find the percentage growth rate, r. (Round your answer to the nearest percent.) r = % I honestly have no idea how to

11. ## english

What is the main effect of the scene with the lightning strike on the reader? 1. It suggests the narrator has little understanding of the world. 2. It suggests the power of nature is beyond the control of the narrator 3. It suggests the shifting nature of

12. ## Physics

A ball whose mass is 100g is dropped from a height of 2m from the floor. it rebounds vertically upwards after colliding with the floor to a height 1.5 m. Find(a)The momentum of the ball before and after collision,(b)the average force exerted by the floor

13. ## math

Gus is the self-employed owner at four paws pet supply. His estimated annual earnings are \$43,280.00 and he expects to pay 18% of this amount in income tax. What will be his quarterly estimated tax payment for the second quarter

14. ## english

I feel exquisite pleasure in dwelling on the recollections of childhood, before misfortune had tainted my mind and changed its bright visions of extensive usefulness into gloomy and narrow reflections upon self. 1. Which words from this text help develop

15. ## P.E.

Which of the following habits will help you stay on the "wellness end" of the health continuum? Staying up to late and not getting enough rest*** Going on a calorie-limiting diet Jogging regular with friends Going to the movies

16. ## english

What is the main effect of describing key events in the narrative as "accidents" or as happening by chance? They suggest the events are not entirely negative in their effects on the narrator. They suggest the events cannot be retold objectively by the

17. ## P.E.

Which side of the health triangle corresponds to having loving relationships with other and giving and accepting help? Physical health Mental and emotional health***??? Social health none of the above

18. ## English

The connotation for these words Snooty Arrogant Conceited Vain Egotistical

19. ## math

A hydraulic plunger has a 12 cm diameter and a force of 350 kN acts on it. What is the pressure exerted on the plunger?

20. ## Algebra

A rock is thrown upward with a velocity of 15 meters per second from the top of a 49 meter high cliff, and it misses the cliff on the way back down. When will the rock be 3 meters from the water, below? Round your answer to two decimal places.

21. ## english

Read Article IX of the United States Bill of Rights: The enumeration in the Constitution, of certain rights, shall not be construed to deny or disparage others retained by the people. What is the main effect of setting the phrase of certain rights off with

22. ## Math (Pre-calculus)

The Fiedler family has up to \$130,000 to invest. They decide that they want to have at least \$40,000 invested in stable bonds yielding 5.5% and that no more than \$60,000 should be invested in more volatile bonds yielding 11%. How much should they invest in

23. ## Math

5x/3+y=c 2y=c-4x x+y=6 What is c? I've tried substituting y as x-6 however I'm still not getting it.

24. ## math

Two trains leave the station at the same time, one heading west and the other east. The westbound train travels at 75 miles per hour. The eastbound train travels at 55 miles per hour. How long will it take for the two trains to be 182 miles apart? Do not

25. ## Algebra

Write each expression in radical form. 1. (10n)^3/2 My answer: sqrt of 10n to the power of 3 Could it be simplified further to 10n times sqrt of 10n? 2. a^6/5 My answer: the fifth root of a to the power of 6 Could it be simplified further to "a" times the

26. ## Math

How could you rewrite the expression (-3+5)+8+(-1) using the Associative Property of Addition? A. -3-8+(5+1) B. (-3+(-1))+(5+8) C. -3+(5+8)+(-1) D. 5+8+3+1 Is the answer C? Thank you

27. ## Math

The concrete for a sidewalk is being poured outside the perimeter of a new subdivision, which is a 280 ft. by 720 ft. rectangle. The building code requires that the sidewalk be 5 feet wide and 8 inches deep. How many cubic yards of concrete will need to be

28. ## Math (Pre-calculus)

An artist is creating a mosaic that cannot be larger than the space allotted which is 4 feet tall and 6 feet wide. The mosaic must be at least 3 feet tall and 5 feet wide. The tiles in the mosaic have words written on them and the artist ants the words to

29. ## physics

The blood speed in a normal segment of a horizontal artery is 0.111 m/s. An abnormal segment of the artery is narrowed down by an arteriosclerotic plaque to 1/5 of its normal cross-sectional area. What is the difference in blood pressure between the normal

30. ## physics

A stone is dropped into a well and the sound of the splash is heard after 3.91 seconds. If the depth of the well is 67.7 meter, find the velocity of sound???

31. ## Geometry

ray pb bisects < rpt so that < rpb = x+2 and < tpb = 2x-6. What is < rpt =

32. ## Allan Hancock College

A rectangular lot whose perimeter is 260 ft is fenced along three sides. An expensive fencing along the​ lot's length cost \$ 36 per foot. An inexpensive fencing along the two side widths costs only \$ 6 per foot. The total cost of the fencing along the

33. ## integral calculus

integrate. (1):sin2xcos3x (2):5(cos3x)^2

34. ## SCIENCE!

i was not taught in my science class any of this, probably a review over 6th grade science, because i learned these in 6th grade.(im in 7th grade now) identifying Errors read the following paragraph and then answer the questions. andrew arrived at school

35. ## SCIENCE!

last worksheet for SCIENCE! for today analyzing elements of a scientific method read the following statements and then answer the questions. 1. you and your friend are walking along a each in maine on january 15, at 8:00 am. 2. you notice a thermometer on

36. ## SCIENCE!

the second worksheet of SCIENCE! for today performing an experiment read the following statements and then answer the questions. 1. a scientist wants to find out why sea water freezes at a lower temperature than fresh water. 2. the scientist goes to the

37. ## physics

At a carnival, you can try to ring a bell by striking a target with a 8.46-kg hammer. In response, a 0.411-kg metal piece is sent upward toward the bell, which is 5.22 m above. Suppose that 34.4 percent of the hammer's kinetic energy is used to do the work

38. ## Maths Income Tax

1) A man with an income of \$7500 and allowance of \$1800, paid \$1824 in tax. What is the rate of taxation? 2) Mr Green earns \$95 per week and has allowances of \$ 2450. Mrs Patel earns \$19400 per annum and has allowances of \$3680. They both pay all their tax

39. ## Math

Problem 3) Lilly collects data on a sample of 40 high school students to evaluate whether the proportion of female high school students who take advanced math courses in high school varies depending upon whether they have been raised primarily by their

40. ## english

If, . . . my father had taken the pains to explain to me that the principles of Agrippa had been entirely exploded and that . . . the powers of [Agrippa] were chimerical, . . . I should certainly have thrown Agrippa aside. . . A chimera is a deception or

41. ## algebra 2

a parabola has a vertex v=(6,4) and a focus f=(6,1) what is the equation

42. ## Physics

A 60 kg soccer player kicks a stationary 0.4 kg ball giving it a speed of 14 m/s. The player's foot is in contact with the ball for 0.08 second. What is the average force on the ball? P.S What formula/s should I use?

43. ## chemistry

vapour density of gas is 11.2 volume occupied by 22.4gms at STP?

44. ## physics

The hydraulic oil in a car lift has a density of 8.54 x 102 kg/m3. The weight of the input piston is negligible. The radii of the input piston and output plunger are 5.01 x 10-3 m and 0.160 m, respectively. What input force F is needed to support the

45. ## math

In the year 2005, a picture supposedly painted by a famous artist some time after 1815 but before 1865 contains 95 percent of its carbon-14 (half-life 5730 years). Approximately how old is the painting? years

46. ## math

how many liters of distilled water must be added to 80 liters of 60% acid solution to obtain a 50 % acid solution?

47. ## Chemistry

a) Biphenyl, C12H10, is a nonvolatile, nonionizing solute that is soluble in benzene, C6H6. At 25 degrees Celcius, the vapor pressure of pure benzene is 100.84 torr. What is the vapor pressure of a solution made from dissolving 13.8 g of biphenyl in 32 g

48. ## english

And thus for a time I was occupied by exploded systems, mingling, like an unadept, a thousand contradictory theories and floundering desperately in a very slough of multifarious knowledge, guided by an ardent imagination and childish reasoning, till an

49. ## english

How does the episode with Victor's father and the episode with the lightning strike as described in this excerpt function similarly? (5 points) They both involve the reading of books about science. They both involve interactions with parents or guardians.

50. ## word problem

12 is divided into two parts such that the product of the square of one part and fourth power of the other give a maximum,find the two numba

51. ## Calculus

Find the equation of the tangent line to f(x)=x sec x at (pi/4, pi •sqrt of 2 all over 4). I got to here, but did not know what to do next: slope: (pi/4)(sqrt of 2 over 2) + (sqrt of 2 over 2) everything over 1/2=.......

52. ## science

Is tundra abiotic or biotic

53. ## algebra

If the temperature was 73 degrees outside at 5:00 p.m., but it fell 19 degrees by 10:00 p.m., what is the temperature at 10:00 p.m.? Write equation and solve.

54. ## physics

a men in circus shows jump from a height of 10m &caught by net spread below the net sag 2m due to its impact.find avgforce exerted by net on man to stop hiss fall .takeamassofman60kg and acceleration10m/s2

55. ## Physics

A jet takes off from SFO (San Francisco, CA) and flies to YUL (Montréal, Quebec). The distance between the airports is 4100 km. After a 0.81-h layover, the jet returns to San Francisco. The total time for the round-trip (including the layover) is 13.9 h.

56. ## physics

a men in circus shows jump from a height of 10m &caught by net spread below the net sag 2m due to its impact.find avgforce exerted by net on man to stop hiss fall .takeamassofman60kg and acceleration10m/s2

57. ## physics

a men in circus shows jump from a height of 10m &caught by net spread below the net sag 2m due to its impact.find avgforce exerted by net on man to stop hiss fall .takeamassofman60kg and acceleration10m/s2

58. ## english

All that had so long engaged my attention suddenly grew despicable. Which of the following assertions is supported by this text? The forces of nature are not predictable enough for the narrator. The forces of nature are responsible for the shift in focus

59. ## Physics

A Bugatti Veyron 16.4 can accelerate from 0 to 60 mi/h in 2.4 s. The Saleen S7 Twin Turbo goes "from 0 to 60" in 2.8 s. Determine the distance that the Bugatti Veyron would travel in the time it takes to reach 75 km/h, the speed limit on many Canadian

60. ## Algebra

Please my mentors, I urgently needs your support please. A number of two digits is such that the tens digit is 8 less than seven times the unit digit. When the digits are reversed, the number is decreased by 9. What is the number?

61. ## english

Which is a complete sentence? a. Jordan Pond House was destroyed by fire in 1979. b. Seal Harbor for popovers and fruit ice cream. c. Two campgrounds inside the park, Blackwoods and Seawall. d. For the future of the site, restoration of the Rambling Inn.

62. ## Math

the area of a square is equal to one less than one-half its perimeter. How long is each side? (A=s squared and P=4s, where s represents the side length of the square)

63. ## Math

This question is really stressing me out. I don't even know where to start. The question is: The Northern Tier bicycle tour route from Anacortes, Washington, to Bar Harbor, Maine, is 4,264.5 miles long. How many more revolutions over the entire route will

64. ## english

And thus for a time I was occupied by exploded systems, mingling, like an unadept, a thousand contradictory theories and floundering desperately in a very slough of multifarious knowledge, guided by an ardent imagination and childish reasoning, till an

65. ## Math

simplify -27 x^4 a^5 UNDER THE SQUARE ROOT SYMBOL THAT IS CUBED

66. ## world history

why might a person say aristotle is the most modern of the ancient greek philosophers?

67. ## Physics

a 75 w compact fluorescent bulb operating at 30% efficiency. Calculate the amount of energy lost to heat and the amount of energy converted into light after the bulb has been on for 2.0h.

68. ## english

And thus for a time I was occupied by exploded systems, mingling, like an unadept, a thousand contradictory theories and floundering desperately in a very slough of multifarious knowledge, guided by an ardent imagination and childish reasoning, till an

69. ## Chemistry

The velocity of an enzyme catalyzed reaction was 10% of Vmax at 2.0 μM substrate concentration. What was the Km in μM? I know Km=1/2Vmax but I do not know if this is the right equation to use or if I am incorporating the known substrate concentration

70. ## Physics

A force of 64 N is applied on a body producing an acceleration of 2.4 m/s^2. What is the mass of a body?

71. ## Geometry

My teacher gets me so confused but the question is 5p^2-23p+24 someone please explain

72. ## Science

Need some help? How is the model of King Tut like other models used by scientists?

73. ## Computers

how Dota2 leagues works because we have a HM. our task is to make a fake compitation/ invitation brochure of the league.

74. ## English

What is an homograph.

75. ## math

P= 12e^(-0.02t) What is the growth rate? I thought it would be -1.98% because I punched in the e^-0.02 part and got .98 something and then that minus 1 is r so I got -1.98.

76. ## Calculus

Find the derivative. d/dx[sqrt of x (x^3 +1)] My answer in its most simplified form: (7x^3 + 1)/ 2 • sqrt of x

77. ## Calculus

Differentiate. f(x)=(cos x)/x I got to here: (-x sin x - cos x)/x^2 Find the equation of the tangent line to f(x)=sec x - 2 cos x at (pi/3, 1). Is the slope 3 times sqrt of 3? Equation is y=3 times sqrt of 3x - pi times sqrt of 3 +1??

Assume that simple harmonic motion of a spring is described by the equation S=4 cos πt/ 2 where s is in centimetres and t is in seconds. When during the time 0

79. ## maths

A mansoon had made a concerte slab ,he needs it to be a regtangular ,in what different ways can he make sure that it is a regtangular ?

80. ## pre-calculus

Rewrite each equation into slope intercept or special case form. 1) 4x+3=8x 2) 9y-(7+3y)=0 I have no idea how to do these two. Can someone please help me? 3)x/2+y/7=1 My answer is y=-7x+14. Is this correct?

81. ## calc

rewrite into slope intercept form. 1) 3x-2y=7 answer: y=3/2x-7/2 2) 8x=y-1/2 answer: y=16x+1 3) 4x+2/3y=8 answer: y=-6x-12 are these correct?

82. ## Dear Jiskha

I am sorry for post so many questions at one time but I will not be able to get internet again until tomorrow

83. ## Physics

A 2000 kg starts from rest and gains a velocity of 20 m/s in 5 s. What force wad applied on it?

84. ## Math

y-4=4x+3y=-(9-x) What is the value of xy?