# scott

Most popular questions and responses by scott-
## College Physics

A point charge of 1.8 uC is at the center of a Gaussian cube 55 cm on edge. What is the net electric flux through the surface? I have no idea where to start with this problem.

*asked on February 6, 2011* -
## Organic Chemistry

Q: Each of the solvent given should effectively separate one of the following mixtures by thin-layer chromatography. Match the appropriate solvent with the mixture that you would expect to separate well with that solvent. Select your solvent from the

*asked on March 7, 2009* -
## Math

Heather has divided $8000 between two investments, one paying 8% and the other paying 6%. If the return on her investment is $550 how much does she have in the larger investment?

*asked on July 31, 2013* -
## chemistry

if 4.4 moles of copper metal was deposited from a solution of Cu(NO3)2, how many electrons were involved?

*asked on November 21, 2011* -
## Discount Notes

Ron Prentice bought goods from shelly katz. on may 8, shelly gave ron a time extension on his bill by accepting a 3000.00, 8%, 180-day note. on august 16 shelly discounted the note at roseville bank at 9%. What proceeds does shelly katz receive? We are

*asked on March 16, 2008* -
## Promissory Notes

On September 5, Sheffield Company Discounted at Sunshine Bank a 9000.00 (maturity value), 120-day note dated June 5th Sunshine's discounted rate was 9%. What proceeds did Sheffield Company Receive?

*asked on March 15, 2008* -
## Intrest Problem

Shawn Bixby borrowed 17000.00 on a 120-day, 12% note. After 65 days, Shawn paid 2000.00 on the note. On day 89, Shawn paid an additional 4000.00. What is the final balance due? Determine total intrest and ending balance due by the U.S. Rule. Use ordinary

*asked on March 8, 2008* -
## Promissory notes

Hafers, an electrical supply company, sold 4800.00 of equipment to Jim Coates Wing, INC Coates signed a promissory note May 12 with 4.5% intrest. The due date was August 10. Short of funds, Hafers contacted Charter One Bank on July 20th the bank agreed to

*asked on March 16, 2008* -
## math

Why does Zara have a good driving record?

*asked on April 26, 2015* -
## Chemistry

If a gas effuses 1.618 times faster than Kr (molar mass = 83.8 g/mol) what is the molar mass of the gas?

*asked on April 18, 2018* -
## Accounting

What would you pay for a $50,000 debenture bond that matures in 15 years and pays $5,000 a year in interest if you wanted to earn a yield of: (Round computations to 2 decimal places and use the rounded amounts to calculate the final answer. Round the final

*asked on September 29, 2010* -
## Algebra

The boat travels 60 miles to an island and the same 60 miles coming back. Changes in the wind and tide made the average speed on the return trip 3 mph slower than the speed on the way out. If the total time of the trip took 9 hours, find the speed going to

*asked on August 1, 2015* -
## physics

Calculate the speed of an 7.6×104 kg airliner with a kinetic energy of 1.2 × 109 J. Answer in units of m/s

*asked on November 22, 2012* -
## Promissory notes

Rex corporation accepted a 5000.00, 8%, 120-day dated August 8 from Regis company in settlement of a past bill. On October 11, Rex discounted the note at Park Bank at 9%. What are the notes Maturity value, Discount Period, and bank discount? What proceeds

*asked on March 16, 2008* -
## simple intrest

ON September 14th Jennifer Rick went to a park bank to borrow 2500.00 at 11 3/4 intrest. Jennifer plans to repay the loan on January 27th Assume the loan is on the ordinary intrest. What intrest will Jennifer own on Jan 27th What is the total amount

*asked on March 8, 2008* -
## Chemistry

Tooth enamel consist mainly of hydroxyapatite (Ca5(PO4)3(OH). When tine (II) Flouride is added to toothpaste it reacts with the enamel to product a more decay-resistant material fluorapatite (Ca(PO4)3F. The by-products of this reaction are tin (II) oxide

*asked on February 28, 2017* -
## english

Which sentence is punctuated correctly? a.“Thunder is good,” said Mark Twain, “But it is lightning that does the work.” b.“Thunder is good, said Mark Twain, but it is lightning that does the work.” c.“Thunder is good,” said Mark Twain,

*asked on December 9, 2015* -
## Grade 12 Calculus and Vectors

A homeowner wants to enclose a rectangular garden with fencing The garden will be adjacent to his neighbours lot. There will be fencing on all four sides. His neighbour will be paying for half of the shared fence. What should the dimensions of the garden

*asked on May 17, 2016* -
## physics

A student moves a box of books down the hall by pulling on a rope attached to the box. The student pulls with a force of 173 N at an angle of 27.5 above the horizontal. The box has a mass of 27 kg, and μk between the box and the floor is 0.2. The

*asked on November 6, 2012* -
## Physics

A block with mass m = 2.00kg is placed against a spring on a frictionless incline with angle (30 degrees). (The block is not attached to the spring.) The spring with spring constant k = 19.6 N/cm, is compressed 20.0 cm and then released. a.) What is the

*asked on October 31, 2010* -
## Calculus

In a poll of 400 voters in a certain state, 61% said that they opposed a voter ID bill that might hinder some legitimate voters from voting. The margin of error in the poll was reported as 4 percentage points (with a 95% degree of confidence). Which

*asked on April 9, 2015* -
## Math

How do I figure out the height of a triangle? The height of a triangle is defined as the perpendicular distance from an angle to a side. Now, since this is a right triangle, and depending on how it is situated, the height could be 10" or 12" if you observe

*asked on July 18, 2007* -
## english

What grammatical structure is the italicized portion of the sentence? My most valuable coin, one from Spain, is worth more than $100.00.

*asked on April 26, 2012* -
## Math (probability)

Real Estate ads suggest that 50% of homes for sale have garages, 24% have swimming pools, and 11% have both. If a home for sale has a garage, what's the probability that it has a pool too? Write as a decimal.

*asked on July 27, 2013* -
## Math

Write two numbers that have the given absolute value. 4 38 260 4092 I know one is 4 but do not know the second unless it is -4 Do not have no clue can someone explain?

*asked on April 6, 2011* -
## College Physics

A block with mass m = 2.00kg is placed against a spring on a frictionless incline with angle (30 degrees). (The block is not attached to the spring.) The spring with spring constant k = 19.6 N/cm, is compressed 20.0 cm and then released. a.) What is the

*asked on October 31, 2010* -
## Biology

I really need help with my science lab. I was sick when we did the lab on Thursday and Friday was a snowday so I did not get to get the observations off my peers. My teacher has allowed people one more day and I do not understand this Lab at all. If

*asked on March 5, 2007* -
## Math

The volume of a rectangular pyramid is 4,000 cubic feet. The area of the base is 40 square feet. What is the height of the pyramid?

*asked on February 14, 2018* -
## Intrest Problem

Carol Miller went to Europe and forgot to pay her 740.00 mortgage payment on her New Hampshire ski house. For her 59 days overdue on her payment, the bank charged her a penalty of 15 dollars. What was the rate of intrest charged by the bank? Round to the

*asked on March 8, 2008* -
## statistics

A survey of college students was conducted during final exam week to assess the number of cups of coffee consumed each day. The mean number of cups was 5 with a standard deviation of 1.5 cups. The distribution was normal. a. What proportion of students

*asked on October 20, 2011* -
## algebra

tugboat goes 160 miles upstream in 10 hours. The return trip downstream takes 5 hours. Find the speed of the tugboat without a current and the speed of the current. speed of tugboat is speed of the current is

*asked on March 30, 2012* -
## Organic Chemistry

How would you purify Fluorene contaminated with ethyl-4-aminobenzoate? What method and solvent you would use? Please help...

*asked on March 2, 2009* -
## Biochemistry

Is there a reaction between Na2SO4 with Ch2Cl2? We did a caffeine extraction from tea bags and we are asked why the Na2So4 was added (to remove water I learned) and if a reaction took place. Can someone help? Thanks!

*asked on November 26, 2008* -
## Chemestry

What is the rms speed of Cl2 molecules at 335 K?

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

Two people carry a heavy electric motor by placing it on a light board 2 meters in length. One person lifts at one end with a force of 700 N, and the other lifts the opposite end with a force of 500 N. What is the weight of the motor, where along the board

*asked on April 16, 2018* -
## Physics

A person whose mass is m = 96.0 kg steps on a mechanical bathroom scale placed on an inclined plane that makes the angle α = 15.3° with the horizontal. What is the reading on the scale?

*asked on May 28, 2015* -
## Discount Notes

On september 5, sheffield company discounted at Sunshine bank a 9000.00 (Maturity Value), 120-day note dated June 5, Shunshine's discount rate was 9% What proceeds did sheffield company receive

*asked on March 15, 2008* -
## Math

1. Iodine-131 is used to find leaks in water pipes it has a half life of 8.14 days. If 36 days have passed and there is now 2.34g left. What is the initial amount? 2. Sr-85 is used in bone scans and has a half life of 64.9 days. If there is 23 percent of

*asked on April 19, 2018* -
## Intrest problem

Abe Wolf bought a new kitchen set at sears. Abe paid off the loan after 60 days with an intrest change of 9 dollars. If sears charges 10% interest, what did Abe pay for the Kitchen set Assume 360 days

*asked on March 8, 2008* -
## Discount Notes

On september 5, sheffield company discounted at Sunshine bank a 9000.00 (Maturity Value), 120-day note dated June 5, Shunshine's discount rate was 9% What proceeds did sheffield company receive

*asked on March 15, 2008* -
## Stats

There are four major political parties in the country Treon. A public research group is interested in finding out whether there is any relationship between the party that is supported by a citizen of Treon and that citizen's socio-economic status. For the

*asked on October 9, 2010* -
## armore christian

what type of note is written by vacationers

*asked on February 3, 2009* -
## Biology

Describe how enzymes affect chemical reactions and explain why this makes enzymes important to living things. I need help this will be on my test I am studying for.

*asked on August 28, 2013* -
## math

The Holy Father sent a courier from Rome to Venice, commanding him that he should reach Venice in 7 days. The most illustrious Signoria of Venice also sent another courier to Rome, who should reach Rome in 9 days. And from Rome to Venice is 250 miles. It

*asked on October 7, 2016* -
## physics

Consider the 57 N weight held by two cables shown below. The left-hand cable is horizon- tal. 57 N 52 a) What is the tension in the cable slanted at an angle of 52? Answer in units of N

*asked on November 6, 2012* -
## College Physics II

Identical isolated conducting spheres 1 and 2 have equal charges and are separated by a distance that is large compared with their diameters. The electrostatic force acting on sphere 2 due to sphere 1 is F. Suppose now that a third identical sphere 3,

*asked on January 23, 2011* -
## Physics

A 0.11-kg balloon is filled with helium (density = 0.179 kg/m3). If the balloon is a sphere with a radius of 5.4 m, what is the maximum weight it can lift?

*asked on March 28, 2016* -
## Statistics

Sammy and Sally each carry a bag containing a banana, a chocolate bar, and a licorice stick. Simultaneously, they take out a single food item and consume it. The possible pairs of food items that Sally and Sammy consumed are as follows. chocolate bar -

*asked on April 13, 2015* -
## physics

A steam engine’s boiler completely converts 151 kg of water to steam. This process in- volves the transfer of 4.8786 J J as heat. If steam escaping through a safety valve does 1.66 × 108 J of work expanding against the outside atmosphere, what is the

*asked on February 19, 2013* -
## Chemistry

Silicon Carbide, SiC, is prepared by heating silicon dioxide in the presence of graphite. Carbon dioxide is the by-product of the reaction. How many grams of silicon carbide can be formed from the reaction of 50.0 grams fo graphite with 50.0 grams of

*asked on February 27, 2017* -
## Simple intrest

Bill Moore is buying a van. His April Monthly intrest at 12% was $125.00 What was Bills principal balance at the beginning of April Uese 360 days

*asked on March 8, 2008* -
## CRJ

1. Which of the following was an impact on policing as a result of WWII? (Points : 1) The Pendelton Act An increase in educational requirements for police A shortage of experienced officers The adoption of residency requirements for police Question 2. 2.

*asked on May 4, 2014* -
## Intrest

On Sept 14 Jennifer Rick went to park bank to borrow 2500.00 at 11 3/4 intrest. Jennifer plans to repay the loan on Janauary 27th Assume the loan is on ordinary intrest. What intrest will Jennifer owe on January 27th What is the total amount Jennifer must

*asked on March 8, 2008* -
## physics

A metal sphere has a charge of +6.4 C. What is the net charge after 4.1 x 1013 electrons have been placed on it?

*asked on October 11, 2011* -
## Math

simplify (cos4x-cos2x)/(sin4x+sin2x) the answer choices are : cotx, tanx, cotxtanx, or 1

*asked on July 11, 2011* -
## Physics

The angular position of a point on the rim of a rotating wheel is given by Theta = 4.0t-3t^2+t^3, where theta is in radians and t is in seconds. At t=0, what are (a.) the point's angular position and (b.) its angular velocity? (c.) What is its angular

*asked on November 7, 2010* -
## Literature

Over the course of The Screwtape Letters, the state of the patient's soul fluctuates as he experiences a conversion, doubt, dangerous friendships, war, love, and finally, in death, oneness with God. What major strategies does Screwtape use to tempt the

*asked on March 28, 2011* -
## Physics

The rain-soaked shoes of a person may explode if ground current from nearby lightning vaporizes the water. The sudden converse of water to water vapor causes a dramatic expansion that can rip apart shoes. Water has density 1000 kg/m^3 and requires 2256

*asked on February 24, 2011* -
## math

Michelle draws a card from a standard deck of 52 cards. She replaces the card and draws a second card. What is the probability that she draws a Heart and then a Spade?

*asked on April 28, 2010* -
## physics

Salmon often jump waterfalls to reach their breeding grounds. Starting 1.77 m from a waterfall 0.253 m in height, at what minimum speed must a salmon jumping at an angle of 44.8 leave the water to continue upstream? The acceleration due to gravity is 9.81

*asked on October 16, 2012* -
## Chemistry

A sample of 6.41 grams of NaOH is dissolved into 675 mL of aqueous 0.250 M NaOH (assume no volume change). This solution is then poured into 2.28 gallons of water. (You may assume that the two volumes can be added.) What is the concentration of NaOH in the

*asked on March 22, 2011* -
## Physics

The angular position of a point on the rim of a rotating wheel is given by Theta = 4.0t-3t^2+t^3, where theta is in radians and t is in seconds. At t=0, what are (a.) the point's angular position and (b.) its angular velocity? (c.) What is its angular

*asked on November 7, 2010* -
## Science

A 44 g piece of ice at 0 degrees celsius is added to a sample of water at 7 degrees celsius. all of the ice melts and the temperature of the water decreases to 0 degrees celsius. How many grams of water were in the sample?

*asked on June 18, 2010* -
## Math-definition

What is the prime factorization of a number?

*asked on February 4, 2010* -
## Promissory notes

On May 12, Scott Rinse accepted an 8000.00, 12%, 90-day note for a time extension of a bill for goods bought by Ron Prentice. On June 12, Scott discounted the note at Able Bank at 10%. What proceeds will Hafers Receive? Please use 360 and not 365

*asked on March 16, 2008* -
## Math

The scores on the GRE are normally distributed with a mean of 541 and a standard deviation of 89. Use the 68-95-99.7 rule to find the percentage of people taking the test who score between 363 and 541

*asked on April 17, 2017* -
## Calculus

Joe dealt 20 cards from a standard 52-card deck, and the number of red cards exceeded the number of black cards by 8. He reshuffled the cards and dealt 30 cards. This time, the number of red cards exceeded the number of black cards by 10. Determine which

*asked on April 9, 2015* -
## General Physics

A neutron collides elastically with a helium nucleus (at rest initially) whose mass is four times that of the neutron. The helium nucleus is observed to rebound at an angle è'2 = 45° from the neutron's initial direction. The neutron's initial speed is

*asked on October 30, 2008* -
## Thermodynamics

The Rankine temperature scale assigns a numerical value of exactly 491.67 R to the triple point of water. The ratio of two temperatures is defined as the limiting ratio, as PTP → 0, of the corresponding pressures of a gas kept at constant volume. (a)

*asked on February 26, 2019* -
## Spanish-7th grade

How do I answer this question? ¿Qué haces los lunes a las diez de la mañana? Hago estudio. Hago escribo Escucho a la maestra. Hago miro la televisión.

*asked on February 1, 2011* -
## Organic Chemistry

How would you purify biphenyl contaminated with fluorene? What method and solvent would you use?

*asked on March 1, 2009* -
## Discount Note

On September 5, Sheffield company discounted at sunshine bank a 9000.00 Maturity value, 120-day note dated June 5, shushines discount rate was 9%. What proceeds did sheffield company receive? Use the 360 days

*asked on March 16, 2008* -
## Chemistry

If 25.0 g S8 (molar mass = 256.56 g/mol) is made to react with 2.0 L O2 at 25 oC and 1.0 atm, what is the maximum amount (in grams) of SO3 produced?

*asked on April 20, 2018* -
## physics

A 3 kg block is attached to an ideal spring with a force constant k=200 N/m. The block is given an initial velocity in the positive direction of magnitude u= 12 m/s and no initial displacement (xi=0). Find a) the amplitude, b) the phase angle, and c) write

*asked on April 16, 2018* -
## statistics

Five coins all balanced the same were tossed 150 times. Note that, while the coins are all balanced the same, they may or may not be fair coins. Since five coins were tossed, the possible number of heads for each toss could be zero through five. The

*asked on May 13, 2014* -
## physics

A 10 g particle undergoes Simple Harmonic Motion with an amplitude of 2.0 mm, a maximum acceleration of magnitude 8.0 X 10^3 m/s^2, and an unknown phase constant, theta. What are a.) the period of the motion, b.) the maximum speed of the particle, and c.)

*asked on November 30, 2010* -
## Promissory Notes

On September 5th, Sheffield Company discounted at Sunshine Bank a 9000.00 (maturity value), 120-day note dated June 5th. Sunshine's discount rate was 9%. What proceeds did sheffield company receive. We are using 360 day and NOT 365

*asked on March 15, 2008* -
## Physics

In Young's experiment a mixture of orange light (611 nm) and blue light (471 nm) shines on the double slit. The centers of the first-order bright blue fringes lie at the outer edges of a screen that is located 0.423 m away from the slits. However, the

*asked on March 26, 2018* -
## Simple Intrest

ON September 14th Jennifer Rick went to a park bank to borrow 2500.00 at 11 3/4 intrest. Jennifer plans to repay the loan on January 27th Assume the loan is on the ordinary intrest. What intrest will Jennifer own on Jan 27th What is the total amount

*asked on March 8, 2008* -
## physics

Consider a pendulum of length 4.720 m. The acceleration of gravity is 9 . 832 m / s 2 . a) What is its period at the North Pole? Answer in units of s 009 (part 2 of 6) 10.0 points b) What is its frequency? Answer in units of Hz

*asked on March 17, 2013* -
## Promissory notes

Annika Scholten bought a 10,000.00, 13-week treasury bill at 5%. What is her effective rate? Round to the nearest hundredth percent. use 360 days and not 365

*asked on March 16, 2008* -
## math

What is the outlier for the following set 0,0,1,2,4,5,5,5,5,5,5,5,5,5,5,5,5,6,6,7,7,7,7,8,9 And why

*asked on October 5, 2017* -
## math

The area if a rectangle is x3y4. Which expression represents the length if the width is x2y

*asked on May 24, 2016* -
## Math

What simplified common fraction is equivalent to 0.05757575757

*asked on January 24, 2015* -
## physics

A 42.1 kg diver steps off a diving board and drops straight down into the water. The water provides an average net force of resistance of 1559 N to the diver’s fall. If the diver comes to rest 4.1 m below the water’s surface, what is the total distance

*asked on November 22, 2012* -
## algebra

an investor invested a total of 1,600 in 2 mutual funds.One fund earned a 6% profit while the other earned a 2% profit. If the investors profit was $56, how much was invested in each mutual fund. amount invested in mutual fund that earned 6% was___ amount

*asked on March 30, 2012* -
## math

if sin x =0.5 what values satisfy this equation in the range -180

*asked on October 18, 2018* -
## Math - Trig

Two buildings of equal height are 850 feet apart. An observer on the street between the buildings measures the angles of elevation to the tops of the buildings as 29° and 40°. How high, to the nearest foot, are the buildings? I don't know how to

*asked on March 5, 2017* -
## algebra

two mechanics worked on a car the first mechanic worked for 15 hours and the second mechanic worked for 5 hours together they charged a total of 1525 what was the rate charged per hour by each mechanic if the sum of the two rates was 175 per hour

*asked on November 3, 2015* -
## Statistics

The manager of a company wants to investigate job satisfaction among its employees. One morning after a meeting, she talks to all 25 employees who attended. Does this sampling plan result in a random sample? What type of sample is it? Explain.

*asked on May 13, 2015* -
## Lea408

can someone please tell me if I am right Like optical scanners, capacitance fingerprint scanners generate an image of the ridges and valleys that make up a fingerprint. But instead of sensing the print using light, the capacitors use electrical current.

*asked on June 8, 2014* -
## physics

A block starts at rest and slides down a fric- tionless track. The acceleration of gravity is 9.81 m/s2 . It leaves the track horizontally, striking the ground (as shown in the figure above). b b b b b b b b b b b b 502 g h 2.2 m 4.4 m 9.81 m/s2 a) At what

*asked on December 3, 2012* -
## math

You brought home 1/2 of a can of paint. You then used 2/3 of the paint to cover a table top. What fraction of a full can of paint did you use? We are multiplying fraction but do I multiply 2/3 paint by 1/1 or do I do 1/2 by 2/3

*asked on May 2, 2011* -
## Physics II w/ Calculus

A point charge of 1.8 uC is at the center of a Gaussian cube 55 cm on edge. What is the net electric flux through the surface? I have no idea where to start with this problem.

*asked on February 5, 2011* -
## Chemistry

A scientist studying the reaction between decaborane (B10H18) and oxygen mixed 1.00 x 10^2 grams of decaborane with 2.75 x 10^2 grams of oxygen. Compute the masses of all substance present after the reaction went ot completion, generating B2O2 and water as

*asked on February 27, 2017* -
## Math

Mara finished 1/5 of her assignment on Saturday and 3/8 of her assignment on Sunday. What fraction of her assignment did she complete on Saturday and Sunday? --Thank you!--

*asked on September 30, 2015* -
## physics

A bullet is fired through a wooden board with a thickness of 8.0 cm. The bullet hits the board perpendicular to it, and with a speed of +350 m/s. The bullet then emerges on the other side of the board with a speed of +210 m/s. Assuming constant

*asked on September 11, 2014* -
## physics

A shopper in a supermarket pushes a loaded 32 kg cart with a horizontal force of 10 N. The acceleration of gravity is 9.81 m/s2 . a) Disregarding friction, how far will the cart move in 3.3 s, starting from rest?

*asked on November 3, 2012* -
## Math

During scuba lessons Sue dove 30 feet. Harriet dove 120 feet, and Kathy dove 90 feet. What integers represent these depths? Order the integers from least to greatest. Is it 30, 90, 120 or is there something else I need to do?

*asked on April 7, 2011* -
## Physics

An athlete swims the length of a 46.0 m pool in 21.0 s and makes the return trip to the starting position in 23.0 s. Determine her average velocities in each of the following below. (Take Δx to be positive when the displacement is in the direction she

*asked on February 2, 2011*