Judy

Most 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?

asked on April 3, 2015
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

asked on June 30, 2010
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

asked on April 25, 2017
4. 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

asked on April 25, 2017
5. 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

asked on February 27, 2017
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?

asked on February 21, 2012
7. 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

asked on February 8, 2010
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)

asked on May 5, 2013
9. 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

asked on April 24, 2017
10. 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?

asked on February 9, 2014
11. 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

asked on June 18, 2007
12. Psychology

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

asked on July 1, 2019
13. 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

asked on February 2, 2010
14. 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?

asked on September 23, 2015
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

asked on June 4, 2010
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?

asked on June 2, 2017
17. Math

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

asked on May 17, 2014
18. math 4th grade

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

asked on September 6, 2013
19. 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,

asked on May 5, 2013
20. 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.

asked on May 14, 2015
21. college Chemisrty

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

asked on May 13, 2013
22. 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

asked on April 11, 2014
23. 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?

asked on December 6, 2015
24. Chemistry

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

asked on September 25, 2016
25. chemistry

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

asked on February 1, 2017
26. 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,

asked on October 17, 2009
27. 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

asked on June 28, 2010
28. 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

asked on March 26, 2018
29. 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

asked on July 10, 2008
30. 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?

asked on September 18, 2011
31. 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?

asked on May 5, 2013
32. 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?

asked on February 6, 2010
33. 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

asked on April 3, 2015
34. accounting

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

asked on December 2, 2014
35. Chemistry

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

asked on November 12, 2015
36. 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?

asked on December 8, 2012
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?

asked on February 6, 2010
38. 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

asked on March 27, 2018
39. life orientation

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

asked on April 24, 2016
40. 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

asked on September 16, 2012
41. math

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

asked on October 14, 2011
42. 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

asked on November 22, 2013
43. 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

asked on April 27, 2010
44. 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.

asked on June 4, 2010
45. 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

asked on November 7, 2013
46. 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

asked on January 22, 2017
47. 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.

asked on October 22, 2009
48. english

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

asked on January 11, 2018
49. 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

asked on January 22, 2017
50. physics

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

asked on October 23, 2011
51. 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.

asked on May 9, 2014
52. 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

asked on April 22, 2013
53. 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

asked on June 29, 2010
54. 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?

asked on May 9, 2014
55. 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?

asked on February 2, 2014
56. 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

asked on December 5, 2011
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) → 2Al(OH)3(s) + 3H2S(g) I found that the limiting reagent, .6406mol of Al2S3

asked on June 4, 2010
58. 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?

asked on November 17, 2007
59. 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.

asked on February 12, 2013
60. Math

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

asked on September 10, 2014
61. 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

asked on June 2, 2010
62. 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

asked on December 11, 2012
63. 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

asked on January 15, 2011
64. Physics

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

asked on May 4, 2009
65. 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?

asked on November 13, 2011
66. Mathabatha

Ways in which xenophobia impacts in our communities

asked on April 23, 2013
67. 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

asked on June 3, 2010
68. 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

asked on March 31, 2010
69. 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?

asked on September 14, 2007
70. 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)

asked on March 27, 2018
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

asked on January 24, 2016
72. Chemistry

(NH4)2S+CuSO4=

asked on April 22, 2013
73. 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

asked on January 23, 2007
74. 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?

asked on October 13, 2017
75. math

List the terms that complete a possible pattern in each of the following and state whether the pattern is arithmetic, geometric, or neither: (a) 38, 33, 28, 23, 18, … (b) 640, 320, 160, 80, … (e) 1, ___, ___, ___ 25, 36, 49

asked on July 14, 2011
76. 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

asked on June 6, 2010
77. physics

does the voltage output increase when a generator is made to spin faster? Defend your answer

asked on September 21, 2007
78. 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

asked on September 30, 2013
79. 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?

asked on May 5, 2013
80. Chemistry

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

asked on April 22, 2013
81. 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

asked on February 11, 2013
82. Astronomy

buenos aires and sydney are both at latitude 34 south but buenos aires is at longitude 58 west and sydney is 151 east. how many hours after passing through the zenith in buenos aires will it pass through the zenith in sidney?

asked on January 19, 2013
83. 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.

asked on December 1, 2012
84. 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

asked on December 12, 2011
85. 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

asked on February 1, 2010
86. 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

asked on July 9, 2008
87. College Chemistry

The Water loss by the sample, and the percent by weight of water in the unknown hydrates is 34.78%H2O. which of the ten possible hydrates are the most likely ones to be your unknown based on the percent by weight?

asked on April 7, 2013
88. 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

asked on June 2, 2010
89. 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)

asked on June 2, 2010
90. chemistry

If 146 g of Pb(NO3)2 reacts stoichiometrically according to the balanced equation, how many grams of solid PbI2 are produced? Pb(NO3)2(aq) + 2NaI(aq) ¡æ PbI2(s) + 2NaNO3(aq) Molar Mass (g/mol) Pb(NO3)2 331.21 PbI2 461.00 Molar Volume (L) 22.4 at STP Gas

asked on June 2, 2010
91. 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

asked on June 2, 2010
92. chemistry

If 120 mL of 2.8333 M aqueous HCl reacts stoichiometrically according to the balanced equation, how many milliliters of 4.43 M aqueous FeCl3 are produced? Fe2S3(s) + 6HCl(aq) ¡æ 3H2S(g) + 2FeCl3(aq) Molar Mass (g/mol) HCl 36.461 FeCl3 162.21 Molar Volume

asked on June 2, 2010
93. chemistry

If 950 mL of 0.800 M aqueous Na2CO3 and 920 mL of 0.565 M aqueous HCl are reacted stoichiometrically according to the balanced equation, how many milliliters of 0.800 M aqueous Na2CO3 remain? Round your answer to 3 significant figures. Na2CO3(aq) +

asked on June 2, 2010
94. 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.

asked on November 1, 2009
95. Science

Explain the main differences between budding and regeneration.

asked on November 7, 2007
96. Math

\$24,000X0.04X30years (deposit of \$24,000 and compound interest monthly of 4% for 30 years ?

asked on April 23, 2017
97. 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?

asked on June 6, 2014
98. History

what was true of the secretary of state William henry seward

asked on May 22, 2014
99. english

What is a good thesis statement according to the disagreement of gay marriage?

asked on January 29, 2014
100. math

Mr. Cook wants to fence his rectangular garden which covers 100 ft squared. The width of the garden is 7 and 1/2 ft. What is the length of the garden? How much fencing will Mr. Cook need?

asked on May 1, 2011

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