# travis

Most popular questions and responses by travis
1. ## math

Write an expression to represent: Four more than the product of one and a number xxx.

2. ## Physics

In a scene in an action movie, a stunt man jumps from the top of one building to the top of another building 3.5 m away. After a running start, he leaps at an angle of 14 with respect to the flat roof while traveling at a speed of 5.6 m/s. The

3. ## Math

Find the probability using combinations.A bag contains 6 cherry, 3 orange and 2 lemon candies. You reach in and take 3 pieces of candy at random. Find the probability that you have all cherry candies.

4. ## Calculus

Use geometry to evaluate the integral from 0 to 6 of the function f of x, dx for f of x equals 3 for x less than or equal to 3 and equals the quantity 6 minus x for x greater than 3 - 27 - 13.5 -12 - 10.5

5. ## math

What 2 numbers multiply to 30 but add to 16

6. ## calculus

a) Sketch a curve whose slope is always positive and increasing. b) Sketch a curve whose slope is always positive and decreasing. c) Give equations for curves with these properties. So for a, I drew a positive slope that was concave up. And for b, I drew a

7. ## calculus

Suppose f'(x) = xe^-x^2. a) On what interval is f increasing? On what interval is f decreasing? b) Does f have a maximum value? Minimum value? So should I assume that f'(x) > 0 since e has to be a positive number?

8. ## Trig

Find all the solutions in the interval [0,2pi). 2sin2x - sqrt(2) = 0 sin2x = sqrt(2)/2 I'm confused by the double angle. Please help.

9. ## Calculus

The owner of a used tire store wants to construct a fence to enclose a rectangular outdoor storage area adjacent to the store, using part of the side of the store (which is 220 feet long) for part of one of the sides. (See the figure below.) There are 430

10. ## Chemistry

Which aqueous solution would you expect to have the lowest freezing point? (a) 0.10 molal glucose,C6H12O6, or (b)0.10 molal NaCl solution

11. ## Calculus

Two planes leave an airport simultaneously. One travels north at 300 mph and the other travels west at 400 mph. How fast is the distance between them changing after 10 minutes?

12. ## Calculus

A manufacturer produces bolts of fabric with a fixed width. The quantity q of this fabric (measured in yards) that is sold is a function of the selling price p (in dollars per yard), so we can write q = f(p).Then the total revenue earned with selling price

13. ## english

Imagine you are on a local commission appointed to study the lack of proper recreation facilities for youth in your neighborhood. Decide what facilities should be recommended. Write an appropriate resolution to be presented to your county government.

14. ## Chemistry

Calculate the amount of energy released when Methane is burned.

15. ## 11th grade (World History)

Which ruin is about 140 miles southwest from Copan?

16. ## Math

Solve the following linear programming problems by the graphical method Dr. Lum teaches part-time at two different community colleges, Hilltop College and Serra College. Dr. Lum can teach up to 5 classes per semester. For every class taught by him at

17. ## chemistry

the thermite reaction was previously used to weld the rails of railroad tracks together. the reaction is: Fe2O3(s)+ 2Al(s)--> 2Fe(l)+ Al2O3(s) (2Fe and 3 oxygen) (2Al and 3 oxygen) what masses of iron(III) oxie and aluminum must be used to produce 15.0g of

18. ## Finance

Dr. J. wants to buy a Dell computer which will cost \$2,788 four years from today. He would like to set aside an equal amount at the end of each year in order to accumulate the amount needed. He can earn 7% annual return. How much should he set aside? A.

19. ## Chemistry

Calculate the amount of energy released when Butane is burned.

20. ## chemistry

Which of the following is true regarding the solubility of gases in liquids? Question 4 options: Solubility decreases as temperature increases. Solubility increases as temperature increases. Solubility is unaffected by changes in temperature. None of the

21. ## Calculus

A rectangular storage container with an open top is to have a volume of 10m^3. The length of its base is twice the width. Material for the base costs \$3 per m^2. Material for the sides costs \$10.8 per m^2. Find the dimensions of the container which will

22. ## math

Bill purchased 4 pens for \$3.32 including \$.16 sales tax. FIND THE C COST OF ONE PEN. I need to write this in an equation. Then solve that's what the worksheet says.

23. ## math algebra

a tabletop is shaped like a golden rectandle its lenth is 5 ft whats the able width

24. ## Chemistry

Calculate the amount of energy released when Ethanol is burned.

25. ## Math

Suppose that \$2500 is invested at an interest rate of 2.5% per year, compounded continuously. After how many years will the initial investment be doubled?

26. ## biomechanics

During a biceps curl, the elbow's relative angle during flexion changes from 3° to 157°. During an 8 repetition set, what is the total angular distance and displacement at the elbow in degrees and radians?

27. ## chemistry

write the name or formula for a reagent that will dissolve PbCl2 but not Hg2Cl2 and AgCl?

28. ## Science

in scientific inquiry what is communicating?

29. ## Calculus

Let the length of a rod be 10 meters and the linear density of the rod ρ(x) be written in the form ρ(x) = ax + b with x = 0 representing the left end of the rod and x = 10 representing the right end of the rod. If the density of the rod is 2kg/m at the

30. ## Geometry

If all of the diagonals are drawn from a vertex of a pentagon, how many triangles are formed?

31. ## Math

A bag contains 5 red balls, 4 white balls, and 3 black balls. Two balls are drawn without replacement. What is the probability that at least one ball drawn is white?

32. ## Government

how could i explain the unitary, confederate, and federal systems of government in a five hundred word essay

33. ## Chemistry

I have this question in front of me concerning Methanol (CH3OH) & how geseous methanol is formed via the following thermochemical equation: CO(g)+2H2(g)¡êCH3OH(g)∆H=-90kJ . Now, it asks me (explanations should show a clear understanding of how Le

34. ## Physics

Consider the diagram shown below of a stationary 8 kg mass suspended from the ceiling by two inextensible ropes Draw a scale diagram

35. ## geometry

The bases of a trapezoid measure 1/4 and 3/8 inches, and the height is 1 inch. What is the area of the trapezoid?

36. ## Physics

Aperson walks37.7◦ northofeast for 3.54km. Another person walks due north, then due east to arrive at the same location. How far due north would this person walk?

37. ## Chemistry

"The sun emits UV radiation that can have serious health consequences. In particular, so-called UVB radiation is mostly absorbed by the ozone layer in the upper atmosphere (altitudes of 10 - 50 km), but the part that reaches the earth can cause DNA

38. ## calculus

find the centroid of the region bounded by x^2-12x and the x-axis

39. ## Physical Science

A 144 kg park bench made of iron sits in the sun and its temperature increases from 25 degrees celsius to 35 degrees celsius. How many kilojoules of energy does the bench absorb?

40. ## Calculus

A table of values for f,g,f′, and g′ are given in the table below: x f(x) g(x) f′(x) g′(x) 5 0 -4 -9 5 0 5 0 -6 9 -4 5 5 9 -5 If h(x)=f(g(x)), find h′(5), If H(x)=g(f(x)), find H′(0)

41. ## English

Which of the following sentences has a compound predicate? A. She raced along the path to beat him to the beach. B. While he swam, she collected shells. C. She washed the shells and dried them in the sun. D. She placed the shells in a plastic bag while he

42. ## Math

Find the volume of water required to fill a pool with a diameter of 6m and a height of 2m. Keep in mind that the water must travel through a hose before it goes into the pool. Assume the hose is a perfect cylinder. The length of the hose is 8m and the

43. ## government

write several paragraphs stating advantages and disadvantages to the unitary, confederate, and federal systems of government.

44. ## Math

I tried answering this and pending how I read it I get several answers. Any help out there 1. A box of crackers has a mass of p kilograms. When empty, the box has a mass of 200 grams. What is the total mass of the crackers in 5 such boxes? Express your

45. ## Math

If i have 3 inch squares cut out the corners of a rectangular shaped piece of cardboard...after folding the the to form a box the length is twice as long as it is wide and has a volume of 1350 cubic inces...what are the dimensions

46. ## Physicis

Airplane staring from airport a flies 300 km east then 395 km 26.5 degrees west of north, and then 150 km north to arrive at airport b. what angle is the straight flight from a to b north of east and how far

47. ## Calculus

A table of values for f,g,f′, and g′ are given in the table below: x f(x) g(x) f′(x) g′(x) 5 0 -4 -9 5 0 5 0 -6 9 -4 5 5 9 -5 If h(x)=f(g(x)), find h′(5), If H(x)=g(f(x)), find H′(0)

48. ## chemistry

Water (H20) is a liquid at room temperature and atmospheric pressure whereas hydrogen sulfide (H2S) is a gas under the same conditions. Based on this information, what can you say about the intermolecular interactions in these two substances. So would this

49. ## Logic

For each of the following enthymemes, identify the premise(s) and the conclusion, and fill in any missing premises or missing conclusions. If possible, fill in what is missing in such a way as to make the arguments valid. It is possible that nothing

50. ## Homeowork

I basically just have trouble staying focused and doing my homework, and often get discouraged when it looks long- how can I keep myself on track, because hw is my biggest issue? Go here , with your mom. http://www.pinkmonkey.com/electricdesk/elec-desk.asp

51. ## Biology

Can anyone help me with this one question that I'm stumped on? The process by which a web-spinning spider makes a "sketch" of a web design before making a permanent web is called - A. lock-step sequence B. simulation C. trial and error D. cinch and attach

52. ## calculus

Differentiate: 1/s+ke^s Do I just use the quotient rule? Thanks

53. ## us history

The ancient Greek city-state of Athens was _____.

54. ## Debate

Hello, I have to create a debate for my English class. I am debating a difficult topic, and I was hoping I could get some good ideas on where to start. My topic is that I have to prove that love is not nessicary for survival. Does anyone have any good

55. ## Math

I tried answering this and pending how I read it I get several answers. Any help out there 1. A box of crackers has a mass of p kilograms. When empty, the box has a mass of 200 grams. What is the total mass of the crackers in 5 such boxes? Express your

56. ## Math

Solve the inequality. Expression solution set using interval notation and graph the solution set using a number line. -15x+3

57. ## Chemistry

Write the chemical symbol for the atomic species with 35 electrons and a charge of +34 on the nucleus. Does the +34 charge just mean the number of protons? And then 35 electrons would give it a - charge so it would be Se-? Or am I looking at this question

58. ## chemistry

Calculate the activation energy (in Joules) for a reaction whose rate constant doubles when the temperature is raised from 298 K to 500 K. Take R to be 8.314 J/K-mol.

59. ## accounting

Is it necessary for a finance manager to understand accounting if the firm has a professional accountant on staff and why?

What is 1+1

61. ## algebra 2

simplify:(4xy^2)^-3

62. ## calculus

Find the values of p for which the following series is convergent. The sum from n=2 to infinity of 1/(n(ln(n))^p). I tried the integral test using u-substitution, and I know the answer is p>1, but I'm not quite sure how to get there. Thanks for the help.

63. ## Calculus

Use implicit differentiation to find dy/dx. e^4x = sin(x+2y). This is a practice problem. It says the correct answer is 4e^x/(2sin(x+2y)) but I keep getting 4e^(4x)/(2cos(x+2y)). I thought the derivative of e^(4x) would be 4e^(4x), not 4e^(x). And I use

64. ## chemistry

Very carefully, but breifly discuss, with specific example, Le Chatelier Principle and its relationship to common ion effect.

65. ## algebra

10+2[2+(1+1)-2 to the 2nd power]

66. ## Math

explain how to add 96+79 using a 300 chart? I do not know what a 300 chart is.

67. ## Calculus

Use the disk method to find the volume of the solid generated by revolving about the y-axis the region bounded by the curves y=8−x^2 and the curve y=x^2.

68. ## geometry

Prove: △ABC has at least one angle with measure 60° or less

69. ## Calculus

If f(3)=−3, g(3)=9, f′(3)=1, and g′(3)=2, Find (f/(f−g))′(3).

70. ## Calculus

Prove that the integral from 0 to 2 of sqrt(4-x^2)dx = pi Should I use a trip substitution for this? Thanks for the help.

71. ## chemistry

"The sun emits UV radiation that can have serious health consequences. In particular, so-called UVB radiation is mostly absorbed by the ozone layer in the upper atmosphere (altitudes of 10 - 50 km), but the part that reaches the earth can cause DNA

72. ## chemistry

5.0% glucose has a specific gravity of 1.02. what is the mass of 470mL of glucose solution.

73. ## Chemistry

What happens in confirmatory test for bismuth? What happens in confirmatory test for copper? What happens in confirmatory test for arsenic? Please help! an you explain in detail. even a link explaining it would help

74. ## science

Animal cells and plant cells have an outer covering, a _____. Their control center is called a _______.

75. ## computer science

Please design the ¡§Classes¡¨ that will work together for the implementation of the User Case ¡§Validate User¡¨ in the ATM machine. its just want us o write a diagram..

76. ## math

What do you do if the bottom number of a fraction is greater than the top number and you are subtracting?

77. ## math

what do we call numbers that cannot be arranged into 2-row arrays? A matrix of order 2 x n. n is the number of entires in each row.

78. ## math

andy and april shared pie.Andy ate 2/5 of the pie april ate 1/3 how much did they eat all together

79. ## calculus

f''(x) = (3x^3 - 5x^2 + 1) / x^2; and f(1) = 0, f(-1) = 1. So i turn f''(x) into (3x^3 - 5x^2 + 1)(x^-2) and multiply to get f''(x) = 3x - 5 + x^-2 So f'(x) = (3/2)x^2 - 5x - (1/x) + c And f(x) = (1/2)x^3 - (5/2)x^2 - ln(x) + cx + d Not really sure what to

80. ## Chemistry

Specify the number of core and valence electrons for Ti^2+ Can I just pretend that this ion is calcium and calculate the valence electrons that way? So 18 core, 2 valence?

81. ## general

What are the various long-term and short-term impacts of food wastage? Please give answers from multiple area eg. cultural,social,economics etc. Global warming I have found out about it so please give a more insightful answe

82. ## Science

Name three different agents of erosion that might move a rock once it has been weathered?

83. ## Germany and China

I need to know if Germany and China both have liability insurance and what does it cover? (need references) also driving under the influence/BAC and punishment for (both countries) are selt belts required for these countries? Thank you for using the Jiskha

84. ## Education

How are the “image of the child” and the “image of the teacher connected"?

85. ## Math

I am a 5-digit whole number. I have 4 different digits. There are no 7s or 5s and I only have one 2. My hundreds digit is the least. My tens digit is odd and is the sum of all the other digits. What number could I be?

86. ## college algebra

Find the arc of the following: f(x)=x^2-8x+15 from x=4 to x=6

87. ## college algebra

10+2[2+(1+1)-2^2]

1. ## Math 2

posted on April 19, 2019
2. ## Social Studies

THANKS ANON I GOT 10/10 AND I WON'T FAIL THIS GRADE

posted on January 31, 2019
3. ## Educational Tech and Online learning

thanks

posted on December 11, 2018
4. ## English Check!! The Cay

thank yall so much I made 100 with the last answers XD

posted on December 5, 2018
5. ## Math

thank you naitter!!

posted on October 2, 2018
6. ## science

posted on October 2, 2018
7. ## marketing

C.

posted on May 29, 2018
8. ## Math

Well 4 quarts equals a gallon. She filled the 2 quart pitcher 6 times, so you would multiply 2 by 6 equaling 12 total quarts. Divide that 12 by 4 and you would get 3 gallons.

posted on April 25, 2017
9. ## Finite Math

Thank you reiny i love u

posted on February 8, 2017
10. ## math

-6(9-9v)

posted on December 7, 2016
11. ## Physics

This is correct, thanks!

posted on October 2, 2016