# Judy

Popular questions and responses by Judy-
## 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* -
## Math

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

*asked on May 17, 2014* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## 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* -
## Psychology

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

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

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

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* -
## 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* -
## 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

The difference between two numbers is 13. When the greater number is divided by the smaller, the quotient is 2 and the reminder is 5. What are the numbers?

*asked on December 23, 2016* -
## 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* -
## Biology

a. A human cell is placed in a container of sugar water. Explain what would occur, if the cell membrane is impermeable to sugar. I know that the water in the cell is the high concentration and will go to the sugar water which is the low concentration. b.

*asked on October 5, 2015* -
## 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* -
## 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* -
## Chemistry

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

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

2/3 x 5/6 x 14 =

*asked on February 11, 2013* -
## 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

In the reaction of hydrogen peroxide with iron (II) ion in acidic solution to form iron (III) ion and water, the oxidizing agent is is it Fe?

*asked on June 28, 2010* -
## 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

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* -
## 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* -
## 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* -
## 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* -
## Investing

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* -
## Algebra 1

4n-2+7n=20 can you please tell me step by step how to do this

*asked on September 27, 2007* -
## Algebra

Rose's garden is in the shape of a trapezoid. If the height of the trapezoid is 16m, one base is 20m, and the area is 224 m squared, find the length of the other base. The height dimension h is measure perpendicular to the to parallel "base" sides, a and

*asked on March 13, 2007* -
## 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* -
## 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* -
## english

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

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

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

*asked on April 23, 2017* -
## Math

Solve 24,000X0.04X30years=

*asked on April 23, 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* -
## math

Simon owns a small car wash and detailing center. He charges $12 per wash. He pays each of his two employees $12 per hour. The employees each work 40 hours per week. Simon's other costs amount to $450 per week. Simon wants to earn an average profit of at

*asked on February 8, 2017* -
## 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* -
## 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* -
## english

During halftime at the local high school, Felipe noticed a cheerleader crying, the coach yelling, and the fans emptying the stands. need to make sure this is the correct puntuatuiom

*asked on January 19, 2017* -
## Science

I need to unscramble these letters to make a phrase rorpsggnloadeeasi

*asked on October 6, 2016* -
## Chemistry

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

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

The weekly study times for all students in a school are normally distributed with μ = 18 hours and σ = 6 hours. If 36 students are randomly selected, find the probability that their mean study time is greater than 20 hours. My work:

*asked on September 15, 2016* -
## life orientation

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

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

There are at least 4 different ways that humans have genetic variation, a. Using one of these four ideas explain why you do not look like another person in this room. b. To continue further with this thought use another one of the genetic variation ideas

*asked on October 29, 2015* -
## 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* -
## Algebra 2

Can this expression be factored? 4x^2+9 My homework assignment says to factor completely and this is one of the problems but I don't think this expression can be factored. Am I wrong? If so how do I factor it.

*asked on October 2, 2015* -
## f5 math

Mr. Chan buys some flour with $80. The price of flour is $x per kg. If the price is increased by $2 per kg, he will buy 2 kg less than with $80. Find the value of x.

*asked on September 25, 2015* -
## 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* -
## algebra

what is the absolute value of -(33)

*asked on August 19, 2015* -
## Math

Find the simple Interest; Principle $ 300 Rate 6.5% Time 1/2 year

*asked on August 9, 2015* -
## Accounting

If a hotel rents a room for $2500. and there is an advance payment of $500, how is this posted in the city ledger

*asked on July 9, 2015* -
## Advanced Pharmacology

You provide the manufacturer’s recommended dose of an antibiotic, which is 10mg/kg IV for a 100kg patient. You then draw a level 30 minutes after the dose. Assume rapid distribution and neglible clearance/metabolism over the 30minute period between the

*asked on June 11, 2015* -
## 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* -
## 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* -
## Statistics

If a committee of 4 students is selected from a class of 16 students, how many ways can this be done?

*asked on November 23, 2014* -
## Physics

Suppose that the swimmer in the figure below has a swimming speed relative to the water of 0.40 m/s, while the speed of the current is 2.2 m/s. If it takes the swimmer 200 s to cross the river, how wide is the river

*asked on September 25, 2014* -
## Math

A club has three different committees each of which needs a chairperson. How many ways can the chair people be selected if only 10 people are eligible for these positions, and no one can chair more than two of the committees

*asked on June 6, 2014* -
## 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* -
## History

what was true of the secretary of state William henry seward

*asked on May 22, 2014* -
## Math

What does it mean instead of at the top, the power is at the bottum Like instead of 2^4 The 4 is wrote smaller and below and beside the 2

*asked on May 17, 2014* -
## Math

Rationalize the denominator and write your answer in lowest terms (2 √ 6 + √ 3)/ ( √ 6- √ 3)

*asked on May 17, 2014* -
## Math

If a circle is inscribed in a triangle with vertex angles 30o - 60o - 90o , then what is the area of the triangle divided by the area of the circle?

*asked on May 9, 2014* -
## 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* -
## 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* -
## math

a right triangle has a hypotenuse that is 59 miles long. One side is 1.05 longer than the other. What are the lengths of the two legs

*asked on March 27, 2014* -
## chemistry

A sample of gas has a volume of 1.30 L at STP. What is the temperature in °C if the volume is 13.0 L at 2.00 atm?

*asked on February 14, 2014* -
## english

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

*asked on January 29, 2014* -
## algebra

need help with this problem. -(2x-(5x+2)-2+(2x+7)

*asked on January 14, 2014* -
## math 4th grade

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

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

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

*asked on August 20, 2013* -
## college Chemistry

What would you expect to be the chemical names of the main gases that were dissolved in the tap water?

*asked on May 5, 2013* -
## 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

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* -
## 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* -
## Chemistry

(NH4)2S+CuSO4=

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

5 3/4 + 6 2/4 = 11 10/8 not sure what do from here?

*asked on February 12, 2013* -
## math

3 7/9 x 6 2/5= I have to estimate?

*asked on February 12, 2013* -
## Math

5 3/4 + 6 2/4 = I need to show my work

*asked on February 12, 2013* -
## 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* -
## human services

Identify three considerations that should be part of the program and proposal preplanning process of grant proposal writing.

*asked on October 23, 2012* -
## 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* -
## 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* -
## math

sue can swim 460 meters in 20 minutes. If she doubles her speed,how many meters will she swim in 7 minutes?

*asked on April 20, 2011*