# Questions Asked onJuly 17, 2016

1. ## Chemistry

A CaCl2 solution is given to increase blood levels of calcium. If a patient receives 5.0 mL of a 5.0 % (m/v) CaCl2 solution, how many grams of CaCl2 were given?

2. ## chemistry

Calculate the grams or milliliters of solute needed to prepare the following solutions. 1.)75. g of a 7.0 % (m/m) KCl solution 2.) 1250 mL of a 8.0 % (m/v) NH4Cl solution 3.) 270. mL of a 15.0 % (v/v) acetic acid solution I really just need to know how to

3. ## chemistry

Solubility (g/100gH2O) Substance 20∘C 50∘C KCl 34.0 42.6 NaNO3 88.0 114.0 C12H22O11 (sugar) 203.9 260.4 Using the above table, determine whether each of the following solutions will be saturated or unsaturated at 50 ∘C. 1.) Adding 19.7 g KCl to 35.0

4. ## Com 425

Which of the following statements is an example of metacommunication? 1) "Lets introduce ourselves one at a time." 2) Don't call me names!" 3) I think we should take this vote to the Board." 4) Let's agree to not discuss old issues today."

5. ## University of jos,physics

A man walks 3m north then 4m east.calculate his displacement from the starting point.

6. ## mathematics

a1=1 ,an=3an-1+2 for n>2

7. ## Chemistry

Write a balanced equation for the complete oxidation reaction that occurs when ethanol (C2H5OH) burns in air.

8. ## math

In order for Mateo to walk 1000 meters in his rectangular backyard, he must walk the length 25 times or the perimeter 10 meters. What is the are of his backyard in square meters? Thanks!

9. ## MATH

A quiz consists of 90 multiple-choice questions, each with 4 possible answers (A, B, C and D). For someone who makes random guess , A is the correct answer for all the questions. If each right answer carries 4 marks and each wrong answer gives -1/4 marks,

10. ## Maths

The body of a murder victim was discovered at 11:00 A.M. and found the temperature of the body was 94.60°F. The temperature of the room was 700°F. One hour later, in the same room, he took the body temperature again and found it was 93.40°F. Estimate

11. ## Chemistry

A patient received 5.0 g of NaCl in 8 hours. How many milliliters of a 0.40 % (m/v) NaCl (saline) solution were delivered?

12. ## Math

If Jane walks North for 3 miles, turns 45 degrees to the right, and then walks another 4 miles, how many miles will Jane be from her starting point? Give your answer as a decimal rounded to the nearest hundredth. Plz help!!!!

13. ## Chemistry

For the reaction, calculate how many grams of the product form when 3.2 g of Na2O completely reacts. Assume that there is more than enough of the other reactant. Na2O(s)+H2O(l)→2NaOH(aq)

14. ## Microsoft word

Elisa and Josh need to access General Help. Elisa will press the F1 key. Josh will click on ? in the upper-right corner of the Word document. Who will access General Help? A. Neither Elisa nor Josh B. Only Elisa C. Both Elisa and Josh D. Only Josh My

15. ## Calculus

A tank in the shape of a right circular cylinder is filled with water (62.5 lb/ft3). It has a height of 8 ft and a diameter of 10 ft. How much work is required to pump all the water to a spout that is 3 ft above the top of the tank?

16. ## Chemistry

For the reaction shown, calculate how many grams of oxygen form when each of the following completely reacts. 2HgO(s)→2Hg(l)+O2(g)

17. ## Economics

1. Johnny washes Mrs. Smith s car. She offers to pay Johnny with cookies but Johnny prefers cash. A. Measure of Value B. Medium of Exchange c. Store of Value 2. Johnny puts the money he earns from washing cars under his mattress. He will spend it later. A.

18. ## Microsoft word

Suppose you want to delete an existing file from within Word. What would you do? A. Open the file in Word, click on Save As, and save the file to the Recycle Bin. B. Click on the File button, choose Save As, find the file, right click on the file, and

19. ## algebra

i need the formula for 1in represents 360 miles,how many miles does 5/4 represent

20. ## pre cal

The function f(x)=x2+6x+18 can be obtained from an even function g by shifting its graph horizontally and vertically. That even function is g(x)= ?

21. ## COM425

Abdoulaye tells his teammate Rick that he prefers to be called “Abdoulaye”; yet Rick continues to call him “Abdou.” This is a violation of __________ rules. 1) communication 2) relational 3) interpersonal 4) corporate (I think its relational, not

22. ## MATH

A quiz consists of 90 multiple-choice questions, each with 4 possible answers (A, B, C and D). For someone who makes random guesses for all of the answers, find the probability of getting A as right answer. A is the correct answer for all the questions

23. ## Chemistry

For the reaction, calculate how many grams of the product form when 3.2 g of Mg completely reacts. Assume that there is more than enough of the other reactant. 2Mg(s)+O2(g)→2MgO(s)

24. ## Microsoft word

What is the purpose of OneDrive? A. OneDrive allows the user to save files online or in the cloud. B. OneDrive organizes files on an external hard drive. C. OneDrive saves files to the Desktop. D. OneDrive allows the user to work on one computer drive at a

25. ## MATH

A quiz consists of 90 multiple-choice questions, each with 4 possible answers (A, B, C and D). For someone who makes random guesses for all of the answers, find the probability of getting A as right answer.

26. ## Microsoft word

To insert text from a separate file into your Word document, A. click Text in the Object group, and then click Text from File. B. click the Object arrow in the Text group, and then click Text from File. C. click TextBox in the Insert tab. D. You have to

27. ## MAth

In one area of the Bay of Fundy, the tides cause the water level to rise to 7.2 m above average sea level and to drop to 7.2 m below average sea level. The time between the peak and the trough is approximately 6 hours. Determine the equation of a

28. ## Physics

The composite bar BCD in the figure is fixed at the wall B (x=0), and has constant cross sectional area A_0. The bar is composed by joining, at section C, two segments (BC and CD) of equal length L. Segment CD is homogeneous, made of copper. Segment BC is

29. ## Physics

Bar BC in the figure has length L, constant cross sectional area A, and is composed of a homogeneous material with modulus E. The bar is fixed between walls at B (x=0) and C (x = L). The bar is subjected to a variable distributed load per unit length,

30. ## Microsoft word

How can you achieve an effect like that shown in the image? A. Click Drop Cap in the Text group. B. Click Dropped Indent in the Insert tab. C. Click Enlarged Cap in the Text group. D. Click Enlarged Font in the Insert group. my answer is b.

31. ## chem II

I need help getting the net ionic equations for the equilibrium of sodium cyanide and water and calcium nitrate and water

32. ## science

The rate constant of a certain reaction is given by log K= 212/T Calculate the activation energy at 400K.

33. ## Microsoft Excel

Joshua needs to join the text in two cells together. Which of the following would perform this function? A. =(Good)&(Morning) B. ="Good"&&"Morning" C. ="Good"+"Morning" D. =Good "&" Morning My answer is d.

34. ## math

A circle and two separate lines are sketched on a sheet of paper. What is the largest possible number of points of intersection of these 3 figures?

35. ## Physics

What is the wavelength of light in water if it has a frequency of 6.8 x 10^14 Hz? I don't know what formula to use and don't understand. I tried Lambda=c/v and got it wrong. Answer needs to be in nm. Thanks.

36. ## University of jos,physics

A stone is droped from the top of a cliff and it hits the ground 5 seconds later.calculate the height of the cliff.

37. ## life sciences

Describe how the products of the light phase of photosynthesis are used to form a glucose molecule and how this molecule is then broken down in the cell of a plant to release energy

38. ## Math

The shorter edges of a 36 cm x 20 cm metalsheet are joined to form the vertical surfaces of a square base prism. What is the volume of the prism? what is the area of metal sheet required to make the top and the bottom of the prism.

39. ## physics c

Suppose q1 = +2.90 µC is no longer at y = 0.300 m, but is now at y = 0.244 m. The charge q2 = +2.90 µC is at x = 0 and y = 0.500 m, and the point 3 is at x = y = 0.500 m.

40. ## University of jos,physics

A man travels along a square path each side of length 100m with a velociy of 40m/s,50m/s,40m/s,50m/s respectively.calculate the average velocity.

41. ## Maths

In class 4A, 21 boys play cricket, 16 boys play football. 13 play both games. What is the smallest number of boys in that class

42. ## chemistry

what will be formed when oxygen combines with hydrogen in the presence of hydrated iron 3 oxide?

43. ## Math

At 5:00 in the evening, a man who was 71 inches tall cast a shadow that was 163 inches tall. At the same time a flagpole cast a 756 inches shadow. How tall was the flagpole? Express your answer in two decimal places.

44. ## Chemistry

A typical antacid contains CaCO3. If such an antacid is added to 25.0 mL of a solution that is 0.250 M in HCl, how many grams of CO2 gas are produced?

45. ## Microeconomics

A firm produces red and blue bobbleheads. It can sell red bobbleheads for \$20 - Q_r/2000 a piece And blue bobbleheads for \$17 - Q_b/2000 a piece Where Q_r = red bobbleheads per week Q_b = ble bobbleheads per week The total cost of producing Q = Q_r + Q_b

46. ## trigonometry

if tan theta= 1/2, find the exact values of the five remaining trigonometric functions for theta, which is acute

47. ## pre cal

If the point (40,3) is on the graph of y=f(x), what point must be on the graph of y=8f(8x)? The point (?,?) must be on the new graph.

48. ## Data Analysis with spreadsheets with Lab

You have a list of contracts and due dates for annual maintenance fees. You wish to determine when you have a contract due in the next 45 days and provide a note that warns you that the payment is due. Using the IF function.

49. ## Algebra 2

(a+3)^2/a-3/5/(a^2-9)= Pls help have no idea where to start

50. ## Sociology

I'm doing a discussion board on Apple iPhones and how harsh the work conditions are for their employees. I'm trying to tie that all together into my sociology class.

51. ## Physics

What is the electric field midway between an electron and a proton separated by 0.8 nm. Don't know what formula to use. Nothing on line is helping me get to the correct answer. Appreciate anyone's help. Thanks

52. ## Health

What does Vitality tell us?

53. ## pre cal

The domain of y=g(x) is −1≤x≤11 and the range is −13≤y≤16. Give both the domain and range of the following two functions as inequalities. (a) y=g(12x) (b) y= 3g(x)

54. ## math

The region in the first quadrant bounded by the 𝑦-axis and the curve 𝑥 = 2𝑦2 − 𝑦3 (graph please) is revolved about the 𝑥-axis. Find the volume?

55. ## chemistry

what is the precipitate form of 2naoh+cuso4->na2so4+cu(oh)2

56. ## financial management

For a tuition of 20,000 now, how much will i need to save if my child is 5yrs now and will go to college for 4 yrs in the 13 yrs?

57. ## Math

Two airplanes leave Dallas, Texas traveling in opposite directions. One is traveling 28 mph faster than the other airplane. How fast is the faster airplane traveling if the two airplanes are 2,320 miles apart after 2 hours and 30 minutes?

58. ## Maths

In a class of 50 students,24 students have taken maths,16 have taken maths but not geography.Find the students who have taken geography but not maths,if all the subjects have taken at least one of the subject

59. ## Math

ABC is an equilateral triangle with side length 4. M is the midpoint of BC, and AM is a diagonal of square ALMN. Find the area of the region common to both ABC and ALMN.

60. ## Math

A COMPANY CHARGES \$20.00 PER DAY PLUS 64 CENTS A MILE YOU DRIVE 100 MILES HOW MUCH DO YOU OWE?

61. ## math

what is the greatest common factor of the terms of 90x^6y^6+18x^4y^4+27x^2y^2

62. ## Chemistry

For the reaction, calculate how many grams of the product form when 3.2 g of CaO completely reacts. Assume that there is more than enough of the other reactant. CaO(s)+CO2(g)→CaCO3(s)

63. ## Math

How much pure antifreeze must be added to 18 liters of a 20% solution to make a 40% solution ?

64. ## Word problems using equations

A park is 30 meters by 24 meters. It has a path of uniform width around it. Find the width of the path if its area is one fourth that of the garden.

65. ## DPS/Maths

ab is parallel to pr and pq is parallel to AC and angle a is 90 degree.find angle p.

66. ## Math

A university had an enrollment of 8500 students in the tear 1995. Each year the enrollment increased by 350 students. What was the enrollment in the year 2000? How many students were enrolled from 1995 to 2000?

67. ## maths

If two non parallel lines are perpendicular to other two non parallel lines prove that acute angel between first two non parallel lines is equal to acute angle between other two non parallel lines

68. ## strength of materials

The composite bar BCD in the figure is fixed at the wall B (x=0), and has constant cross sectional area A_0. The bar is composed by joining, at section C, two segments (BC and CD) of equal length L. Segment CD is homogeneous, made of copper. Segment BC is

69. ## strength of materials

Bar BC in the figure has length L, constant cross sectional area A, and is composed of a homogeneous material with modulus E. The bar is fixed between walls at B (x=0) and C (x = L). The bar is subjected to a variable distributed load per unit length,

70. ## MATHS

A box containing nails weigh 32.25kgs.the empty box weighs 2.25kg.if @ nail weighs 60gms.how many nails are in the box?

71. ## math

A can finish a work in 24 days , B in 9 days and C in 12 days. B and C start the work but are forced to leave after 3 days.The remaining work was done by A in ? any idea please i used work rate concept but i did not reach to the answer

72. ## MATHS

Two circles of radii 5 cm and 12 cm are drawn, partly overlapping. Their centers are 13cm apart. Find the area common to the two circles.

73. ## math

9x+3y-4z=35 x+y-z=4 2x-5y-4z+48=0

74. ## math

A trained bulldog can run for 5 hours at a rate of 20 mph while it can run for for only 2 hours at a speed of 25 mph.the distance covered by running at the slower speed is what percent more than the distance covered by running at the faster speed?

75. ## algebra

The side of a regular hexagon is denoted by 'h' express the perimeter in term of 'h'

76. ## science

Give two reasons why the pressure decreases as blood flows along the capillary bed. =because it avoide the mixed up of the blood

77. ## math

let A be defined as the set of all two digit integers that are more than 20 and let P be defined as the set of all prime numbers .how many numbers are there that belong to both these sets? 1.13 2.17 3.21 4.25 explain the ans please

C=2 x^=8y

79. ## math

A salesman may draw a fixed salary of \$10000 per month and a 2% commission sales or he can draw a fixed salary of \$4000 per month and a 12% commission on sales.what volume of sales would he earn him the same amount of money in both rates??pls explain the

80. ## math

what percent of the two digit whole numbers are primes ?1.21 2.23 3.25 4.29? explain the ans

81. ## Math

2 groups of students in a shop. 1st group buys 4 hotdogs and 6 juices for \$71. What are the prices of juices and hotdogs

82. ## Math

john wrote a three digit number on a piece of paper it is between 600 and 700 write down a number which john could possibly written

83. ## Math

i am an even numbers. my hundreds place is five less than tens and my ones is even more than my hundreds. the sum of my numbers is what number i am? 12?

84. ## chemistry

a 51.6 litre sample of a pure allotrope of oxygen has a mass of 100.0 grams. (25 degrees celsius and 100 kPa) Show, by calculation, which allotrope of oxygen is present.

85. ## math

If earth rotates at about 1000 mph and it rotates constantly each day. How many rotations will it complete after 4th hour, 8th hour and 24th hour.

86. ## Math

Teo cars are 635 km apart.they start at the sane time and drive toward each other .The first car travels at a rate of 70 kph and the second car travels 57kph .In how many hours will the two hours meet??

87. ## math

In how many ways can a student select three couses from seven available courses?

88. ## Maths

A body of mass m falling from rest is subjected to the force of gravity and an air resistance proportional to the square of the velocity. If it falls through a distance x and posseses a velocity v at that instant then show that.

89. ## math

The difference between two natural numbers is 6.adding 10 to the twice of the larger number,we get 2 less than 3 times of the smaller number.find these numbers.

90. ## College Algebra

I am asked to write a logarithmic expresion as a single logarithm with coefficient 1 and simplify as much as possible. The equation is: 4logbase5Y-3logbase5X+1/2logbase5Z. Could some please help me I am not understanding this whole Logarithm thing.

91. ## Microsoft word

In Word, a red wavy underline indicates a/an A. possible grammatical error. B. AutoCorrect suggestion. C. hard page break. D. possible misspelled word. my answer is d.