# jillian

Most popular questions and responses by jillian
1. ## Math

A square lot is to planted with santan plants all around. The side of the lot measures 10 meters. If plant will be planted 20cm apart, how many plants must be planted in all?

2. ## Calculus

This problem set is ridiculously hard. I know how to find the volume of a solid (integrate using the limits of integration), but these questions seem more advanced than usual. Please help and thanks in advance! 1. Find the volume of the solid formed by

3. ## physics

A 1.00-kg duck is flying overhead at 1.50 m/s when a hunter fires straight up. The 0.010 0-kg bullet is moving 100 m/s when it hits the duck and stays lodged in the duck's body. What is the speed of the duck and bullet immediately after the hit?

4. ## Calculus

The percentage of the moon's surface that is visible to a person standing on the Earth varies with the time since the moon was full. The moon passes through a full cycle in 28 days, from full moon to full moon. The maximum percentage of the moon's surface

5. ## Chemisty

You need 520. mL of a 15 % (m/v) glucose solution. If you have a 25% (m/v) glucose solution on hand, how many milliliters do you need?

6. ## Math

Find the length of segment BC if segment BC is parallel to segment DE and segment DC is a medsegment of triangle ABC. A(-3,4) E(4,3) D(1,1) B and C do not have coordinates

7. ## chem

Body temperature is about 308K. On a cold day, what volume of air at 273K must a person with a lung capacity of 2.00 L breathe in to fill the lungs?

8. ## Precalculus

A nautical mile equals the length of arc subtended by a central angle of 1 minute on a great circle on the surface of Earth. If the radius of Earth is taken as 3960 miles, express 1 nautical mile in terms of ordinary, or statute, miles.

9. ## Chemisty

You need 520. mL of a 15 % (m/v) glucose solution. If you have a 25% (m/v) glucose solution on hand, how many milliliters do you need?

10. ## Chemistry

The question is: What is the molarity of the copper (II) chloride solution your teacher provided? Show calculations. Obtain the true molarity of the copper (II) chloride solution and calculate percent error. I have done this so far trying to answer the

11. ## PreCalc

A piece of wire x inches long is bent into the shape of an equilateral triangle. Find a function that represents the area of the triangle and state the domain of the function.

12. ## Math

The amount of money Kylie spends on food to the amount she spends on gas per week is 7:4. She spends \$45 more on food than gas. How much does she spend on food? How much does she send on gas? On one of the weeks, she spends an additional \$75 on food for a

13. ## social studies

What do Australia and New Zealand have in common? Wher is the Great Dividing Range located? Australia is the ______ smallest continent? Does Australia have a diverse population? Is New Zealand a continental island or a oceanic island?

14. ## Calculus

The base of a solid is the region enclosed by the graph of x^2 + 4y^2 = 4 and cross-sections perpendicular to the x-axis are squares. Find the volume of this solid. a. 8/3 b. 8 pi/3 c. 16/3 d. 32/3 e. 32 pi/3 Thanks in advance! :)

15. ## college chemistry

HIO3 + FeI2 + HCl --> FeCl3 + ICl (in acidic solution) Show and label the two balanced half-reactions (oxidation and reduction). Add H2Os, H+s or OH-s as needed. I just wanted to know if the answer I got is correct 2FeI2 +6HCl +Cl +HIO3-->6FeCl3 +ICl +3H20

16. ## Geometry

How would you solve these? The radius of a circle is 34 meters long, and a chord of the circle is 60 meters long. How far is the chord from the center of the circle? The diameter of a circle is 60 inches and a chord of the circle is 48 inches long. How far

17. ## Algebra

H. If you are paid a weekly base salary of \$200 plus an hourly wage of \$5.00, determine an equation for finding your weekly gross pay (P) for t hours. Specify an amount between 25 and 50 hours worked for 1 week and determine your gross pay for that week.

18. ## Calculuc

How do you set up this problem? The decay constant for the radioactive element cesium 137 is .023 when time is measured in years. Find its half-life.

19. ## MATH

In U.S. customary units what is the width of two fingers, the length of a man's shoe, and the length of one big step? one inch one foot one yard

20. ## Chemistry

How long will it take for a 18.0-g sample of iodine-131 to decay to leave a total of 2.25 g of the isotope? The half-life of iodine-131 is 8.07 days

21. ## Prealgebra

The sum of an integer and the next greater integer is at most 15. Write an inequality to find the lesser integer. Then slove for the lesser integer.

22. ## Chemistry

Explain in terms of forces between structural units why H2O2 has a higher melting point than C3H8. Also, which of the following has a lower melting point? NH3 or AsH3 C3H7OH or C2H5OCH3 I know that this has to do with hydrogen bonding. Can you possibly

23. ## chem

When 3.517 grams of a hydrocarbon, CxHy, were burned in a combustion analysis apparatus, 11.59 grams of CO2 and 3.164 grams of H2O were produced. In a separate experiment, the molar mass of the compound was found to be 40.06 g/mol. Determine the empirical

24. ## Geometry

A diameter of a circle is 32 yards long. A chord is 11 yards from the center. How long is the chord?

25. ## English 102

What is "Imagine there is no Heaven" by Salman Rushdie about? I was looking for a general summary because I don't understand

26. ## chemistry

the composition of hydrogen selenide can be determined by heating tin(Sn)in a measured volume of gas the hydrogen selenide is decomposed producing solid tin selenide(SnSe)and hydrogen gas if the temp,and pressyure are unchanged,the gas volume when the

27. ## Calculus

How would you begin this problem? On a standard summer day in upstate New York, the temperature outside can be modeled using the sinusoidal equation O(t) = 11 cos (pi/12 t) + 71, where t represents the number of hours since the peak temperature for the

28. ## chemistry

Monosodium glutamate (aka MSG) NaC5H8NO4 is used as a food additive for flavor or as a preservative. a. what is the mass of MSG (g) that contains 545 mg sodium? b. calculate the percentage of each element present in MSG.

29. ## Physics

I had this question last night for Dr. Bob-A fox sees a piece of carrion thrown from a nest 14 m high and goes to get it. Carrion is thrown 1.5 horizontal velocity. Fox is 7. m from base of tree. What is mgnitude of fox's average velocity if it

If

31. ## AP US History

Evaluate the extent to which the opposition to slavery contributed to maintaining continuity as well as fostered change from 1776 to 1856. Please give me some topics to write about in my essay

32. ## Math

Need help least to greatest 0.5,0.05,5/8

33. ## algebra

The price of products may increase due to inflation and decrease due to depreciation. Derek is studying the change in the price of two products, A and B, over time. The price f(x), in dollars, of product A after x years is represented by the function

John Updike's short story entitled "Son" covers four generations, correct-great grandfather, grandfather, father and son, correct? I dogpiled this and can't find anything on it. If anyone can direct me paragraph- by paragraph who is being spoken about, I'd

35. ## math

Solve the system 6x+4y = 12 9x+6y = 18 If the system has infinitely many solutions, express your answer in the form x=x and y as a function of x x=? y=?

36. ## Math

Abdul bought a radio for \$120. The same model is now on sale for \$96. Express this decrease as a percentage of the original price. Show your work. How would you do this problem?

37. ## math

A: Solve the following equation: k2 + 4k = 0 A: By factoring B: By using the quadratic formula D: Do the results in A, B, differ from each other? Why or Why not?

38. ## PreCalc

Find a polynomial of the specified degree that satisfies the given conditions. Degree 4; zeros −3, 0, 1, 4; coefficient of x3 is 4

39. ## Social Studies

What is the official name of China? South Korea and Japan both have what type of economy?

40. ## social studies

People who move from place to place searching for food and water are called what?

41. ## social studies

What is a government order forbidding trade with other countries called?

42. ## ENG 101

Im taking my first college class in ENG 101 and i need to write an persuasive essay and Im having a hard time. I was wondering if anyone can help me come up with an outline or what I reasons that I can provide and I can come up with minor details. Here is

43. ## Chemistry

I blanked how to solve this: How many grams of carbon dioxide are produced when 2.5 grams of sodium bicarbonate reacts with excess citric acid according to: 3NaHCO3+H3C6H5O7 -> Na3C6H5O7+3CO2+3H2O Could you include the steps, please? Thanks.

44. ## Chemistry :(

Calculate the molality, % percent composition by weight, and the mole fraction of HCl in an aqueous 12M HCl solution that has a density of 1.20 g?mL Please help :(

45. ## 180g/l

I want to make up a 180g/l solution acid using 98% Sulphuric Acid. How much H2SO4 do I use should I make a stock solution first.

46. ## Spanish-Please check my work

Could someone please check this for me. I had to rewrite the following sentence using a direct object pronoun in two different ways. I wrote: Nosotros queremos leerlos. Los hosotros queremos leer. Thank you for checking

47. ## calculus

An open box is to be constructed so that the length of the base is 4 times larger than the width of the base. If the cost to construct the base is 5 dollars per square foot and the cost to construct the four sides is 3 dollars per square foot, determine

48. ## Physics

I have a question An airplane is flying at 120km/h due west moves into a region where the wind is blowing at 40km/h. If the planes original velocity is Vplane, what is the expression for the plane's resulting velocity in terms of V plane? Answers are given

49. ## Geometry

*Find the value of the variable and LM if L is between N and M 9) NL = 5x, LM = 3x, and NL = 15 *Find the value of the variable and ST if S is between R and T 28) RS = 7a, ST = 12a, RS = 28 how do you work these out?

50. ## Math

How would you do this problem? At the beginning of the year, the price of gasoline is \$1.05 per gallon. The price increased \$0.05 per gallon each week for the next 5 weeks. The price then decreased \$0.07 per gallon for the next 3 weeks. Find the difference

51. ## math

How do you simplify 765 over 2023?

52. ## math

The perimeter of a rectangle is 62 inches. If the length of rectangle is four inches less than four times the width find the dimensions.

53. ## statistics

An insurance company charges its policy holders an annual premium of \$200 for the following type of injury insurance policy. If the policy holder suffers a "major injury" resulting in lengthy hospitalization, the company will pay out \$15,000 to the injured

54. ## Math

Write the equation of the line passing through the point (-2, -4) and perpendicular to y= (-1/2x)-1

55. ## Calc

Evaluate the function at the given values of the independent variable and simplify. f(x)= {x^2)-3 if x is less than or equal to -2 {6x+1 if x > -2 a. f(-3) b. f(0) c. f(-2) How do I solve this/what are the correct answers so I can check my work?

56. ## math

Give the equation of a line perpendicular to the line y = -8x + 8 having the y-intercept 2 units below the y-intercept of the given equation. At what point the two equations cross each other?

57. ## math

3x+2y = 0 x-2y = 0 If the system has infinitely many solutions, express your answer in the form x=x and y as a function of x Your answer is x=? y=?

58. ## Math

Prove the identity. sin² θ = tan² θ / 1 + tan² θ

59. ## MATH

Arrange each sets of units in order from shortest to longest: m,cm,mm,km ft,mi,in,yd Do you have a set of tables in your text or notes? For example, can you look in your tables and find 5,280 ft = 1 mile. So you know miles is a larger unit than feet. Do

60. ## Math

Parallel lines l and m are cut by transversal t. If the interior angles of the same side of t be (3x+4) and (2x-9), SOLVE FOR THE VALUE OF X.

61. ## EXPONENTS

Which is equal to 3^3/3^-1? A -81 B -1/81 C 1/81 D 81 The options totally confuses me because I thought it would have to be 3^2

62. ## MATH

Please help I am supposed to verify that cot^2x+tan^2x =sec^2xcsc^2x-2 I just can't seem to get the two equations to equal to each other.

63. ## chemistry

A student needs to use a 0.750 mol sample of (NH4)2SO3 for an experiment: a. how many grams does she need to weigh out? b. how many formula units are in the sample?

64. ## Physics

I have a question An airplane is flying at 120km/h due west moves into a region where the wind is blowing at 40km/h. If the planes original velocity is Vplane, what is the expression for the plane's resulting velocity in terms of V plane? Answers are given

65. ## chemistry

what is the freezing point of pure acetic acid being stirred and not being stirred. also at what point does it become a solid then a liquid, and vice versa.

66. ## Chemistry

Can someone explain what properties of carbon make it so versatile? Thank you

67. ## Chemistry

Which compound is a saturated hydrocarbon? ethane ethene ethyne ethanol Thanks for any help you can give

i need help finding what these words are from these clues: possible opening found in the cell membrane substance which makes up cell walls granular material in the nucleus that thickens to become chromosomes the endoplasmic reticulum is a network of....

69. ## Algebra

I also need to set this problem up algebraically. Plumbers earn \$160 a day, and plumbers' helpers earn \$100 a day. Twenty plumbers and helpers earn a total of \$2,420 in a day. How many of each are there?

70. ## Algebra

I need to set up this problem algebraically. Also I can't figure out to work it out. It's a relative rate problem. Bob leaves Bismarck traveling east along Interstate 94 at 65 mph. At the same time Tony leaves Fargo traveling west on Interstate 94. Since

71. ## Science

Explain the difference between conduction and convection heat transfer,and give an example of each.

72. ## social studies

What is the newest nation in Southeast Asia?

73. ## World History

I fogot to bring home my history book, and I can't find this answer anywhere! What were 5 results of the Peace of Westphalia? Please help me!

74. ## Geometry

Hi, could you tell me how to find out the answer or simplify this problem? Here it is: (m+5)(6m) Please and thank you!

75. ## CHEMISTRY

hydrogen selenide can be prepaired by reacting aluminium selinide with water the other product being solid aluminium hydoxide AL(OH)3,write a balanced chemical equasion for the reaction of aluminium selenide with water including the phisical states of the

76. ## MATH

What is commutative property of addition? The commutative property of addition says we can change the order of the terms and the result is the same. Thus a+b=b+a. This is one of the field properties of the real numbers. This site explains the commutative

77. ## Pre-Algebra

A fair number cube, numbered 1 though 6 is rolled 200 times. About how many times can it be expected to on the number 4? I tried to do 200 divided by 6 which is 33.3333333333 and then I did 100 divided by 6, so then I tried to use a ratio, but I could find

78. ## chemistry

A sample of hematite Fe2O3 has the mass 4.83 x 10 3 kg. a. how much iron (kg) can be extracted from this sample of hematite? b. what is the percentage of iron in this ore?

79. ## Math-Stats

An insurance company charges its policy holders an annual premium of \$200 for the following type of injury insurance policy. If the policy holder suffers a "major injury" resulting in lengthy hospitalization, the company will pay out \$15,000 to the injured

80. ## Calculus

What would the values of A, B, and C be in this problem? The tides in a particular bay can be modeled with an equation of the form d= A cos (Bt) + C, where t represents the number of hours since high-tide and d represents the depth of water in the bay. The

81. ## Maths

I was given a question on number patterns. The queston states tha I must keep adding one table to increase the amount of seatings by keeping it in a square formation. I need to giv a general formula but I am struggling with the sequence

82. ## History

The world can be divided into West (Occident) and East (Orient) Describe the origins of this division, and How are they... different in culture? language? and religion? Thanks for any and all help!!!

5/2x-8/1=-3

84. ## English

Can someone direct me to where I can get an analysis of "Son" by John Updike-I have searched everywhere and I'm totally confused on this short story Thank you

85. ## Math

x^+y^=36 y=x+2 Find exact solution for the system of equations

86. ## Math

How do you find the solution to this system of equations? y=x+2 y=x(squared)

87. ## Physics

A mass-on-a-spring system has a spring constant k = 384 N/m and a mass m = 0.51 kg. (a) If it is given an initial displacement of 0.22 m and then released, what is the initial potential energy of the oscillator? = 9.29 J (b) What is the maximum kinetic

88. ## college

HIO3 + FeI2 + HCl --> FeCl3 + ICl (in acidic solution) Show and label the two balanced half-reactions (oxidation and reduction). Add H2Os, H+s or OH-s as needed.

90. ## Geometry

Find the coordinates of the missing endpoint given that S is the midpoint of line RT. T(-4,3), S(1-,5) How do you work this out?

91. ## Algebra

How do you work this out? Going downstream a tugboat averages 17 kph. Coming back upstream its average speed is only 6 kph. How fast does the current flow? How fast is the tugboat going?

92. ## Algebra 1

This is a long division problem: x cubed + 7x squared - 49 divided by x + 5 I know the answer is x squared + 2x - 10 + 1 over x + 5 but i don't know how to get that

93. ## English

What are flat, round, dynamic, and static characters? I have look on a bunch of websites and not one seems to have an answer.

94. ## Science

What are some examples of highly reactive elements? What element is often found in common cleaning products?

95. ## English

In my english class we have to right poems and this week we are writing spondaic. What are some examples of spondaic poetry? Also what is a foot in poetry?

Please check these simplified expressions(my answer is after the ;) 4(2k-6)-8(3-3k); -16k-(-48) 9+(-2k)+(-4)-6k; -8k+5 -x+4x-(-8x)-9+2x+1; 13x+(-8) 5(-3x+6)+8x; -7x+30 8+6x+4-8x; -2x+12 5(-m-3)+4m-10; -9m+5

97. ## Prealgebra

Solve by substitution: x+y=9 y=2x

98. ## social studies

Which Southeast Asia country was not controlled by France when first colonized?

99. ## Prealgebra

Please explain this problem: 25% of 162