# judy

Popular questions and responses by judy-
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## Psychology

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

*asked on July 1, 2019* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## Math

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

*asked on May 17, 2014* -
## 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* -
## math 4th grade

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

*asked on September 6, 2013* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## Chemistry

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

*asked on September 25, 2016* -
## 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* -
## 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* -
## 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* -
## english

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

*asked on January 11, 2018* -
## 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* -
## Physics

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

*asked on May 4, 2009* -
## life orientation

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

*asked on April 24, 2016* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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

*asked on April 17, 2011* -
## 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* -
## 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* -
## Chemistry

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

*asked on April 22, 2013* -
## 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?

*asked on March 1, 2012* -
## 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) +

*asked on June 6, 2010* -
## 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* -
## 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

*asked on April 10, 2010* -
## 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* -
## Chemistry

(NH4)2S+CuSO4=

*asked on April 22, 2013* -
## 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* -
## 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* -
## 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* -
## 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* -
## algebra

Evaluate 5(11 + 22 - 10) – 19

*asked on February 7, 2011* -
## 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?

*asked on June 2, 2015* -
## 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* -
## 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* -
## math

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

*asked on August 20, 2013* -
## Mathabatha

Ways in which xenophobia impacts in our communities

*asked on April 23, 2013* -
## 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* -
## 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* -
## physics

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

*asked on September 21, 2007* -
## 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* -
## 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* -
## 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?

*asked on October 20, 2015* -
## 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

*asked on July 3, 2011* -
## 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* -
## 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) +

*asked on June 6, 2010* -
## 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.

*asked on May 5, 2010* -
## 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* -
## Science

I need to unscramble these letters to make a phrase rorpsggnloadeeasi

*asked on October 6, 2016*