# judy

Popular questions and responses by judy
1. ## math

Mrs. Hart, at age 65, can expect to live for 25 years. If she can invest at 5% per annum compounded monthly, how much does she need now to guarantee herself \$900 every month for the next 25 years?

2. ## chemistry

for a homework problem it says to build both the high spin and low spin complex ion and it gives me spin of Fe (ox)3 3- low high I don't understand what high spin and low spin is and I don't know what Fe (ox)3 3- is suppose to be

3. ## buisness

Martha realizes that the microwave she bought is faulty after a month of purchase. The manufacturer of the microwave asks Martha to pay the repair expenses as the fault was with a part that was out of warranty. Martha was unaware of this warranty

4. ## Math

Barbara is tiling her craft room with square tiles. She wants 6/10 of the square tiles to be red. If she used 18 red tiles, how many square tiles will be used to cover the floor . Draw an area model to help solve

5. ## buisness

Read about Wanda’s complaint to the FDIC. What action did the regulator most likely take in this case? The FDIC found out that a company misreported information to a credit scoring company about Wanda. Wanda contacted the company and asked them to fix

6. ## Physics

A 60 kg boy on roller skates moves with a speed of 5 m/s. He runs into a 40 kg girl on skates. Assuming they cling together after the collision, what is their speed?How much kinetic energy was lost in the collision?

7. ## statistics

The height of an adult male is known to be normally distributed with a mean of 69 inches and a standard deviation of 2.5 inches. The height of the doorway is 74 inches. What proportion of adult males will not fit under the door?

8. ## college Chemistry

Conductivity test, what controls the brightness of the light? (hint: think about your tapwater abd NaCl results and why they were different)

9. ## Chemistry

Please help me answer this question; The goal of the recrystallization procedure is to obtain purified material with a maximized recovery. For each of the following, explain why this goal would be adversely affected. a) In the solution step, an

10. ## buisness

Which sentences highlight a unilateral contract? a. Monique goes to a supermarket and picks up a shampoo. She then goes to the counter and pays for the shampoo. b. John offers a ride back home to Jack in exchange for his favorite music DVD for a day. Jack

11. ## Chemistry

You and another student were each given an unknown compound. Both samples contained colorless material. You each used the same brand of commercially prepared TLC plate and developed the plates using the same solvent. Each of you obtained a single spot of

12. ## Psychology

Sternberg's concept of practical intelligence is most directly related to

13. ## Chemistry

You make a solution using a solute (5g) in water (total volume 100ml). The molar mass of the solute is 110 g/mol. What is the molarity? What is the concentration reported as % by mass?

14. ## Physics- sound

As the drawing shows, the length of a guitar string is 0.628 m. The frets are numbered for convenience. A performer can play a musical scale on a single string, because the spacing between the frets is designed according to the following rule: When the

15. ## chemistry

Enter the formula and state of the major species that result when a few grams (about 0.01 mol) of each substance is added to 100 mL of water. When appropriate use water to form species such as the hydronium ion. Separate multiple species by commas. sulfur

16. ## Just trying to find the correct size for a project

If isosceles angles are 45, 67.5 and 67.5 with a height of 5.25" what is the length of the base?

17. ## Math

A. A survey of 110 teachers showed that 28 of them have a second job. B. A survey of 90 teachers showed that 27 of them have a second job. C. A survey of 70 teachers showed that 21 of them have a second job. D. A survey of 80 teachers showed that 32 of

18. ## statistics

Assume that thermometer readings are normally distributed with a mean of 0.0 and a standard deviation of 1,00. the thermometer is randomly selected and tested. For the case below, draw a sketch , and find the probability of the reading The given values in

19. ## Corporate Finance

Bond price: Briar Corp is issuing a 10-year bond with a coupon rate of 7 percent. The interest rate for similar bonds is currently 9 percent. Assuming annual payments, what is the present value of the bond? (Round to the nearest dollar.) \$990 \$872 \$1,066

20. ## Math

Determine the largest possible integer n such that 942! is divisible by 15n.

21. ## Financial

assume a \$1000 face value bond has a coupon rate of 8.5 percent pay interest semi-annually, ahd has an eight-year life. if investors are willingto accept a 10.25 percent rate of return on bonds of similar quality, what is the present value or worth of this

I have to follow the pattern .125, .25, .375, .5 ?

23. ## Chemistry

one morning you are given 3 test tubes of aqueous solutions of compound X: the "A" tube was set up as unsaturated, while "B" was set up as Saturated in a beaker, then poured of into the tube, and "C" was carefully set up as supersaturated. At lunchtime,

24. ## Math

A teacher gives each of five students a box that contains 25 red balls, 25 blue balls, 25 green balls, and 25 purple balls. The students each picked a different number of balls out of their box and recorded their results in this table. What can you

25. ## chemistry

How to balanced chemical equation and identify the type of reaction for solid ammonium nitrate decomposes into dinitrogen monoxide gas and water

26. ## Chemistry

If 48.1 g of solid Al2S3 and 6.68 mL of liquid H2O are reacted stoichiometrically according to the balanced equation, how many grams of solid Al2S3 remain? Al2S3(s) + 6H2O(l) → 2Al(OH)3(s) + 3H2S(g) I found that the limiting reagent, .6406mol of Al2S3

27. ## math

A rounded number for the speed of an insect is 5.67 per second. What are the fastest and slowest speeds to the thousandths that could round to 5.67 meters per second?

28. ## college Chemisrty

at what kelvin temperature will 25.2 of xe occupy a volume of 645 L at pressure of 732 torr?

29. ## chemistry

The reaction of aqueous iron(III) bromide and aqueous lithium phosphate is represented by the balanced ionic equation. Fe3+(aq) + 3Br-(aq) + 3Li+(aq) + PO43-(aq) → FePO4(s) + 3Li+(aq) + 3Br-(aq) Give the balanced formula equation for the reaction.

30. ## chemistry

B. What is the electron configuration of an isolated Fe3+ cation? (Use notation like [Ne]3s^23p^6 for your answer) i put [Ar]4s^23d^3 but i got it wrong i don't know why

31. ## math

how many edges , vertices and faces does a cylinder have? some say 0 edges,0 vertices, and 2 faces but others say 3 faces, 2 edges and 0 vertices. Which is it? thank you.

32. ## College Chemistry

What must we know a given ionic salt to be able to predict whether is is a good or poor conductor, w/o testing its conductivity?

33. ## algebra

A weather balloon is directly west of two observing stations that are 10 miles apart. The angles of elevation of the balloon from the two stations are 17.6 degrees and 78.2 degrees. How high is the balloon?

34. ## CHEMISTRY

A hydrocarbon sample was burned in a bomb calorimeter. The temperature of the calorimeter and the 1.00 kg of water rose from 20.45 °C to 23.65 °C. The heat capacity of the calorimeter, excluding the water, is 2.21 kJ/°C. Using this information,

35. ## math

bill furrier marks up mink coats 3000.00, which represents a 50% markup on cost. what is the cost of the coats?

36. ## Physics

A kayak is moving across a stream that is flowing downstream at a velocity of 4 km/hour. The kayak's velocity is 3 km/hour. What is the magnitude of the kayak's velocity relative to the river bank?

37. ## chemistry

To what volume should you dilute 30 mL H2SO4 of a 10.0 M H2SO4 solution to obtain a 0.140 M H2SO4 solution?

38. ## chemistry

To what volume should you dilute 30 mL H2SO4 of a 10.0 M H2SO4 solution to obtain a 0.140 M H2SO4 solution?

39. ## accounting

If preferred dividends are limited to the stated rate of dividend, the preferred stock is: A. noncumulative B. Cumulative C. participating D. Nonparticipating

40. ## Chemistry

How man kilojoules of energy are needed to vaporize a 28.6g sample of liquid benzene at its normal boiling point of 80C?

41. ## Stats

G. Johnson recently inherited a large sum o money; he wants to use a portion of this money to set up a trust fund for his two children. The trust fund has two investment options: 1) a bond fund and 2) a stock fund. The projected returns over the life of

42. ## Math

Mrs. Hart, at age 65, can expect to live for 25 years. If she can invest at 5% per annum compounded monthly, how much does she need now to guarantee herself \$900 every month for the next 25 years? math - Reiny, Friday, April 3, 2015 at 3:05pm Present Value

43. ## calculus

The mechanics at lincoln automotive are reboring a 6-in. deep cylinder to fit a new piston. The machine they are using increases the cylinder's radius 0.02 inches each second. How rapidly is the cylinder volume increasing when the bore (diameter) is 3.8

44. ## Chemistry

Is the flame coloration a test for the metal or for the acid radical?

45. ## physics

a crew member is walking on a tugboat that is pulling a barge. the tugboat is moving at a constant speed upstream in a river that has a constant downstream current. In the situation above, what is at rest relative to the tugboat?

46. ## College Chem

charles law: 7.89 l sample of gas had pressure of 850 torr. what volume will it occupy if the pressure is changed to 457 torr? (torr is a measurement of pressure. 760 torr = 1 atmosphere

47. ## Science

Which of the following is an accurate statement of an acceleration value, translated from symbols into words? A. 3 meters per second B. 3 meters per second squared C. 3 square meters per second D. 3 meters in 3 seconds

48. ## english

the moon was a ball of green cheese. is this a simile or a metaphor?

49. ## Physics

A hammer is accelerated at 13 rad/s^2 at a radiius of rotation of 1.5 m. the tangential hammer speed is 20 m/s. a)Determine the angular velocity of the hammer b)the magnitude of the radial component of its linear acceleration c)the magnitude of the

50. ## Physics

For stable interference to occur, the phase difference must be incoherent. ~ incoherent ~ monochromatic. ~ 1/2 (wavelength) ~ constant.

51. ## life orientation

ways that the human rights violations influences individuals,groups and south african broader

52. ## calculus

Melissa wants to make a rectangular box with a square base and cover its top and bottom faces with velvet, which will cost her \$3 per square inch, and the sides with silk, which will cost her \$5 per square inch. The box should have a volume of 1600 cubic

53. ## ALGEBRA WORD PROBLEM! HELP!

And if a length of a rectangle is 3 more than twice the width and the are is 90 cm squared than what are the dimensions of the rectangle? The width of the rectangle is 43.5 and the length of the rectangle is 87. All together when you add it up it will make

54. ## Physics

A squid with a mass of 15 kg ejects 1.8 kg of water downward through its funnel and moves from rest to a speed of 2.5 m/s (UP) from the sea bottom in 0.5s. Find the average force on the squid, neglecting drag forces and assuming constant acceleration.

55. ## math

jenna lives 4 3/10 miles from school. She estimates that she travels 4x2x5 or 40 miles each week. Is her estimate an overestimate or an underestimate? explain.

56. ## chemistry

If 890 mL of 0.236 M aqueous NaI and 0.560 mol of liquid Br2 are reacted stoichiometrically according to the? If 890 mL of 0.236 M aqueous NaI and 0.560 mol of liquid Br2 are reacted stoichiometrically according to the balanced equation, how many moles of

57. ## chemistry

If 48.1 g of solid Al2S3 and 6.68 mL of liquid H2O are reacted stoichiometrically according to the balanced equation, how many grams of solid Al2S3 remain? Al2S3(s) + 6H2O(l) ¡æ 2Al(OH)3(s) + 3H2S(g) Molar Mass (g/mol) Al2S3 150.16 H2O 18.015 H2O 0.9982

58. ## Math

Growth of Plant Sample A Time (days) Height (in.) 1 6 2 12 3 18 4 24 5 30 Growth of Plant Sample B Time (days) Height (in.) 1 2 2 5 3 10 4 17 5 26 Compare the data for the growth of two plant samples. How can you determine which data set is linear? A)

59. ## physics

A jogger jogs around a circular track with a diameter of 130 meters in 27 minutes. What is the distance around the track?

60. ## chemistry

THe thiocyanate ion acts as a Lewis base, donating a pair of electrons to the Fe ^ 3+ ion. Both sulfur and nitrogen atoms have lone pair electrons that can potentially be donated. Therefore, ther are two different structures (linkage isomers) that can be

61. ## Math

In a circle whose radius is 13 cm, a central angle intercepts an arc that measures 65o. What is the arc length? Round your answer to the nearest hundredth of a centimeter.

62. ## Cash flow statement

In a statement of cash flows, the cash flows from investing activities section should report a.the issuance of common stock in exchange for a factory building. b.stock dividends received. c.a major repair to machinery charged to accumulated depreciation.

63. ## Math

Proportion - If a 30-foot tree cast an 18-foot shadow, find the length of the shadow cast by a 24-foot tree.

64. ## Math

The radius of the inscribed circle is 5. If the length of the hypotenuse of the right triangle ABC is 19, what is the perimeter of the triangle?

65. ## chemistry

If 8.29 L of gaseous Cl2 measured at STP and 0.380 mol of liquid CS2 are reacted stoichiometrically according to the balanced equation, how many moles of liquid CS2 remain? CS2(l) + 3Cl2(g) ¡æ CCl4(l) + S2Cl2(l) Molar Mass (g/mol) Cl2 70.906 CS2 76.143

66. ## Math

Each digit of a four-digit PIN can be any number from 0 to 9. What is the percentage of PINs with no digit repeated more than twice?

67. ## statistics

A new restaurant with 123 seats is being planned. Studies show that 63% of the customers demand a smoke free area. How many seats sould be in the non-smoking area in order to be very sure (mean+3StandardDeviation) of having enough seating there?

68. ## 11

How do I work this problem? Flying with the wind, an airplane can travel 1080 miles in six hours, but against the wind, it goes 360 miles in half the time. Find the air speed and wind speed

69. ## calculus

volume of solid whose base is a circle with radius a, and cross sections of the solid cut perpendicular to the x-axis are squares

70. ## Physics

A certian radioactive isotope has a half-life of 1 hour. If you start with 1 gram of the material at noon, how much of the original isotope will the sample contain at 3 pm? At 6 pm? At 10 pm?

71. ## English

What doors are open to you that may not have been open to generations before us,and why might it be difficult to face these doors

72. ## Chemistry

Need type of reaction and balance of (NH4)2S+CuSO4=

73. ## math

when ordering supplies , mr.williams accidentally ordered 12 more than twice his usual number of pencils.when the order arrived , he received 60 pencils. how many pencils does mr.williams usually order?

74. ## chemistry

If 600 mL of 0.283 M aqueous NaBr and 15.9 L of gaseous Cl2 measured at STP are reacted stoichiometrically according to the balanced equation, how many liters of gaseous Cl2 measured at STP remain? Round your answer to 3 significant figures. 2NaBr(aq) +

75. ## chemistry

If 0.760 mol of solid TiO2 and 4.20 g of solid C are reacted stoichiometrically according to the balanced equation, how many liters of gaseous CO measured at STP are produced? 3TiO2(s) + 4C(s) + 6Cl2(g) ¡æ 3TiCl4(l) + 2CO2(g) + 2CO(g) Molar Mass (g/mol)

76. ## Chemistry

Marble is almost pure CaCO3. Acid rain has a devastating effect on marble statuary left outdoors. Assume that the reaction which occurs as: CaCO3(s)+ H+(aq)->Ca2+(aq) + HCO3(aq) Neglecting all other competing, equilibria, Calculate: 1. K for the reaction

77. ## physics

Equivalent forces derivation problem. EXAMPLE: Derive the formula for F3 in terms of the experimentally measured quantities m1, m2, 1, and 2. [Answer: F3=m1gcos1+m2gcos2.] Make sure you understand how this formula was derived. QUESTION: If the mass of both

78. ## Chemistry

(NH4)2S+CuSO4=

79. ## math

Brittany is making trays of fudge. her recipe calls for 2/3 cup of walnuts for each batch of fudge. How many cups of walnuts does she need to make 27 batches of fudge I need to show how I got this answer

80. ## yeah

a farmer wants to fence in three sides of a rectangular field with 1,000 feet of fencing. the other side of the rectangle will be a river. find the dimensions of the field.

81. ## Statistics

A planner wants to determine the percentage of students who will attend summer classes. She surveys 32 students and finds that 12 will return for summer classes. Construct a 90% confidence interval estimate for the proportion of students who will return

82. ## chemistry

If 890 mL of 0.236 M aqueous NaI and 0.560 mol of liquid Br2 are reacted stoichiometrically according to the balanced equation, how many moles of liquid Br2 remain? Round your answer to 3 significant figures. 2NaI(aq) + Br2(l) ¡æ 2NaBr(aq) + I2(s) Molar

83. ## algebra

Evaluate 5(11 + 22 - 10) – 19

84. ## statisic

The current rate of success is 70% for 200 students. When the new test is implemented, the rate increases to 85% for the 50 students who pass the test and are allowed into the program. Is this difference significant?

85. ## Accounting

which of the following is true: cash flow data is superior to earnings under the accrual basis in predicting long-term performance of an entity, earnings under the accrual basis is superior to cash flow data in predicting short-term performace of an

86. ## math

Nick has a revolving department store credit card account with an annual percentage rate of 15%.Last month's balance on the account was 423.78.During the current month,he made purchases totaling 123.42 and made a payment of 100.00.The store uses the unpaid

87. ## math

What percent of the first 50 positive integers contain no odd digits?

88. ## Mathabatha

Ways in which xenophobia impacts in our communities

89. ## chemistry

Calculate the volume ( mL ) of the solute C2H5OH and the mass ( g ) of the solvent diethyl ether that should be mixed to produce 3.46 kg of a solution that is 1.31 m C2H5OH. volume ( mL ) of the C2H5OH mass ( g ) of the (C2H5)2O Molar Mass (g/mol) C2H5OH

90. ## STATS

Consider the following information: Season Sales(units) Summer Autumn Winter Spring Christmas 98 114 123 105 Holidays 110 110 110 110 The expected frequency for cell winter/holidays (e13) is equal to (1) 104.0 (2) 112.0 (3) 110.0 (4) 116.5 (5) 107.5

92. ## Physics

A dip needle is a small magnet mounted on a horizontal axis sot that it can swivel up or down. Where on eath will it point most nearly vertically and most nearly horizontally?

93. ## Math

Lucy has to work 40.0 hours this week. She has worked a total of 32.8 hours. She reported to work at 7.55 am. What time will Lucy get off today?

94. ## Algebra

A mother takes 48 minutes to mow the lawn when she works alone using a gas mower. Her daughter takes three times as long using a reel mower. How long would it take them to mow the lawn together?

95. ## math

Suppose the 435 members of the House of Representatives are placed on committees consisting of more than2 members but fewer than 30 members. Each committee is to have an equal number of members and each member is to be on only one committee. a. What size

96. ## MATH

YANCEY COLLECTS PLASTIC BANKS. HE HAS THREE DIFFERENT BANKS;A PIG,A COW, AND A HORSE. HOW MANY WAYS CAN YANCEY ARRANGE HIS BANKS ON A SHELF

97. ## chemistry

If 600 mL of 0.283 M aqueous NaBr and 15.9 L of gaseous Cl2 measured at STP are reacted stoichiometrically according to the balanced equation, how many liters of gaseous Cl2 measured at STP remain? Round your answer to 3 significant figures. 2NaBr(aq) +

98. ## english

Which of the following is NOT a complete sentence? A. Throwing the ball to the pitcher. B. That baby cries and cries. C He sometimes steals things. D. I don't know the answer to this one.

99. ## Statistics

Data is collected from a large city. The growth of adolescents over the course of puberty is normally distributed with a mean of 5.26 and a standard deviation of 0.50 inches. a) what percentage of adolescents in this city grew less than 4.5 inches? b) what