# Lindsey

Popular questions and responses by Lindsey-
## Investing ( pease help)

You hold a diversified $ 100,000 portfolio consisting of 20 stocks with 5000 invested in each . The portfolio's beta is 1.12. You plan to sell a stock with b=0.90 and use the proceeds to buy a new stock with b=1.75. what will the portfolio new beta be ?

*asked on July 24, 2009* -
## Physics

A cube of oak with sides 15cm long floats upright in water with 10.5cm of its depth submerged. What is the density of the oak?

*asked on January 6, 2010* -
## physics

A bike first accelerates from 0.0 m/s to 5.0 m/s in 4.5 s, then continues at this constant speed for another 4.5 s. What is the total distance traveled by the bike?

*asked on September 5, 2011* -
## Please i needd an answer asap!!!

I give medals and 'best answer' :) I need help asap! Which of the following is one way to assess whether or not a learning game is effective? a. Being able to win the game b. doing a quiz before and after the game to see what you have learned c. Making it

*asked on January 8, 2014* -
## Finance ( NEED HELP BAD)

Masulis Inc is considering a project that has the following cash flow and WACC Data .what is the project discounted payback WACC 10% years 0 1 2 3 4 CASH FLOW -700 525 485 445 405

*asked on July 29, 2009* -
## chemistry

Suppose you are asked to find the area of a rectangle that is 2.1-cm \rm cm wide by 5.6-cm \rm cm long. Your calculator answer would be 11.76 cm 2 \rm cm^2 . Now suppose you are asked to enter the answer to two significant figures. (Note that if you do not

*asked on August 29, 2013* -
## Finance ( Need help )

Sapp Trucking’s balance sheet shows a total of noncallable $45 million long-term debt with a coupon rate of 7.00% and a yield to maturity of 6.00%. This debt currently has a market value of $50 million. The balance sheet also shows that the company has

*asked on August 3, 2009* -
## algebra 1

The Fun Guys game rental store charges an annual fee of $20 plus $6.50 per game rented. The Game Bank charges an annual fee of $50 plus $3.50 per game. For how many game rentals will the cost be the same at both stores? What is that cost?

*asked on January 15, 2016* -
## chemistry

39.3 grams of c6h6 are allowed to react with 108.3 grams of o2. How much co2 will be produced by this reaction?

*asked on May 25, 2015* -
## Algebra

Which property is illustrated by 45 + 19 = 19 + 45? A. Commutative property of addition B. Identity property of Addition C. Associative property of addition D. zero property of addition

*asked on December 16, 2014* -
## Chemistry

Help me set up this problem. I have been looking at a few examples of similar problems and I keep getting the wrong answers. I'm getting really confused. Q: The standard free energy change ΔG∘ and the equilibrium constant K for a reaction can be related

*asked on November 16, 2014* -
## Physics/Charges

Point charges Q1 = 50 µC and Q2 = -20 µC are placed 2 meters apart. Where can I put a third charge so that the net electrical force on it is zero?

*asked on February 4, 2013* -
## Trigonometry

Statuary Hal is an elliptical room in the U.S. Capitol. Teh room is also called the Whispering Gallery because a person standing at one focus of the room can hear even a whisper spoken by a person standing at the other focus. Statuary Hall is 46 ft. wide

*asked on December 19, 2011* -
## 3rd grade math

Explain how you know 6/6 and 1 are equivalent?

*asked on April 8, 2014* -
## Algebra

What method(s) would you choose to solve the equation? Explain your reasoning. 4x^2-48=0 a. Quadratic formula, graphing; the equation cannot be factored easily since the numbers are large. Selected:b. Square roots; there is no x-term. c. Factoring; the

*asked on April 2, 2020* -
## Algebra

A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation y = -0.04x^2+5.8x+4.9, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of

*asked on April 2, 2020* -
## Physics

A cylinder of oxygen has a gauge pressure of 2000psi and a volume of 16L at 70 degrees F. If the oxygen is used as a constant flow rate of 2 L/minute, measured at 1 atm of pressure, how long will the tank last? Hint: Calculate the mass (grams) of oxygen in

*asked on April 19, 2011* -
## Algebra 2

PLEASE HELP-DUE APRIL 5TH, 2011!!!! EARTHQUAKES an earthquake rated at 3.5 on the Richter scale is felt by many people, and an earthquake rated at 4.5 may cause local damage. The Richter scale magnitude reading m is given by m = log (base 10) x, where x

*asked on March 27, 2011* -
## Finance ( Please help)

Warnock Inc is considering a project that has the following cash flow and WACC Data What is the projects NPV ?note THAT a projects NPV Can be negative in which case it will be rejected . WACC 10.00% year 0 1 2 3 Cash Flows -825 500 400 300 I get C but i am

*asked on July 29, 2009* -
## Math

Log2 (x-6) + log2 (x-4) - log2 X=2

*asked on November 27, 2019* -
## Math

A year-end bonus of $24,000 will generate how much money at the beginning of each month for the next year, if it can be invested at 6.45%, compounded monthly? (Round your answer to the nearest cent.)

*asked on September 28, 2017* -
## Algebra 1

what is the solution of the following system of equations? 1.) 5x + 7y =3 2x = -3y +1

*asked on February 26, 2015* -
## Physics

A 25 kg child slides down a playground slide at a constant speed. The slide has a height of 3.0 m and is 7.0 m long. Using energy considerations, find the magnitude of the kinetic friction force acting on the child.

*asked on November 22, 2011* -
## Math

What amount must be set aside now to generate payments of $30,000 at the beginning of each year for the next 13 years if money is worth 5.93%, compounded annually? (Round your answer to the nearest cent.)

*asked on September 29, 2017* -
## geometry

x^2+2xy-15y^2 is this factorable?

*asked on November 20, 2015* -
## Algebra

on Monday morning, a mechanic has no cars in her shop. the table at right shows the number of cars dropped off and picked up each day. Find the total number of cars left in her shop on Friday.

*asked on August 31, 2015* -
## Math

Let x,y, and z be nonzero real numbers. Find all possible values of x/|x|+y/|y|+z/|z|+xyz/|xyx|.

*asked on December 4, 2014* -
## Principles of Chemistry

A certain amount of chlorine gas was placed inside a cylinder with a movable piston at one end. The initial volume was 3.00 L and the initial pressure of chlorine was 1.30atm . The piston was pushed down to change the volume to 1.00 L. Calculate the final

*asked on October 6, 2014* -
## Absolute value

Bertrand collects movie posters. The number of movie posters in his collection changes each month as he buys and sells posters. The table show how many posters he brought or sold in the given months. January sold 20, February bought 12, March bought 22,

*asked on September 2, 2014* -
## A/P Calculus

A cyclist is riding on a path whose elevation is modeled by the function F(X)=0.2x where x and f(x) arte measured in miles. Find the rate of change of elevation when x=5. ? Supposed answer: ?? 1

*asked on November 9, 2013* -
## Chemistry

Balance the equation. Cu + HNO3 --> Cu(NO3)2 + NO2 + H2O I'm having a little trouble getting this equation to balance. Thank you in advance! :)

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

Consider an atom of Xenon. How many electrons in this atom... a) have the quantum number of l=2 b) have the quantum number of ml=0 c)have the quantum numbers n=5,ml=2 (at the same time) I think I know the answers. a) 10 b)2 c)2 But I am unsure and would

*asked on January 25, 2012* -
## Business Research

5. What is the difference between a probability and a nonprobability sampling strat- egy? Provide an example of each. Also, what are the advantages and disadvantages of each type of sample?

*asked on January 25, 2012* -
## trig

The cross section of a television antenna dish is a parabola. A dish has a receiver that is located at the focus, 4 ft. above the vertex. Find the equation. (which I did) -- x^2 = 8y If the dish is 8 feet wide, how deep is it?

*asked on December 20, 2011* -
## Trigonometry

Use the properties of logarithms and trigonometric identities to verify the identity. ln|cot x| = ln|cos x| - ln|sin x| I have no idea where to begin with this one... your help is appreciated!

*asked on November 29, 2011* -
## Physics

In the winter sport of curling, players give a 20 kg stone a push across a sheet of ice. A curler accelerates a stone to a speed of 3.0 m/s over a time of 2 s. a)How much force does the curler exert on the stone? b)What average power does the curler use to

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

~I got a and b right but c i can't figure out Freight trains can produce only relatively small acceleration and decelerations. (a) What is the final velocity of a freight train that accelerates at a rate of 0.0600 m/s2 for 8.00 min, starting with an

*asked on November 4, 2011* -
## Chemistry I

Instant cold packs, often used to ice athletic injuries on the field, contain ammonium nitrate and water separated by a thin plastic divider. When the divider is broken, the ammonium nitrate dissolves according to the following endothermic reaction: In

*asked on November 1, 2011* -
## economics

Fill in the blanks below with ↑ to indicate an increase in the variable or with ↓ to indicate a decrease in the variable. Answer the questions with a brief written response. A) Consumption > Production ⇒ Economy is Out of Equilibrium ⇒ Inventories

*asked on February 2, 2011* -
## Chemistry

Consider: C6H12)6 + 6O2-> 6CO2 + 6H2O + Energy a)If I have 90 grams glucose and all is consumed by oxygen, then how many grams of water will be produced? b)How many grams of oxygen will be consumed? c)How many grams of sugar will be burned off if 85 grams

*asked on January 22, 2011* -
## Math, please help!

We are doing a small group project and my group members and I are very confused. The project description: Using the variables provided below, you are working with your group to make a recommendation to the township directors. Currently we mow the grass

*asked on January 6, 2011* -
## chemistry

What are the monomers of aspartame? I can only get one, which is methan ol, but what are the others?

*asked on May 10, 2008* -
## Math Quantitive Reasoning

The amount of Jen's monthly phone bill is normally distributed with a mean of $50 and a standard deviation of $12. What percentage of her phone bills are between $14 and $86?

*asked on December 2, 2007* -
## Rate of change

I have some questions that I would like you to check please. Thanxs! Find the slope then describe what it means in terms of the rate of change of the dependent variable per unit change in the independent variable. 1. The linear function f(x)=4.6x+37

*asked on September 1, 2007* -
## Algebra

In a batch of 860 calculators, 9 were found to be defective. What is the probability that a calculator chosen at random will be defective? Write the probability as a percent. Round to the nearest whole number percent if necessary. a. 1% b. 10% c. 3% d. 7%

*asked on May 20, 2020* -
## Algebra

A cell phone company orders 400 new phones from a manufacturer. If the probability of a phone being defective is 2.1%, predict how many of the phones are likely to be defective. Round your answer to the nearest whole number.

*asked on May 19, 2020* -
## Math

Danielle spend 2/5 of her paycheck on bills. Her water bill was 1/6 of what she spent on bills. What part of her paycheck went to her water bill? Is this right? 1/6 x 2/5 = 2/30 = 1/15? Thanks.

*asked on February 21, 2017* -
## Algebra

Your test scores in one class are 81 and 87. What possible scores can you earn on your next test to have a test average between 84 and 89, inclusive?

*asked on September 8, 2016* -
## math

write all the possible odd 5-digit numbers using the digits 1,4,7,8 and 0, with the 1 in the ten thousands places.

*asked on August 24, 2016* -
## algebra

A cashier has a total of 34 bills, made up of ones, fives, and twenties. The number of fives is one less than the number of twenties. The total value of the money is $237. How many of each denomination of bills are there? (Hint: Let x = the number of ones,

*asked on February 13, 2016* -
## Physical Science

Calculate: In the following equation, 417.96 g of Bi (bismuth) reacts completely with 200 g of F (fluorine.) How many grams of BiF (little three below F) are formed? 2 Bi + 3 F (little 2 under F) ---> 2 BiF (little three below F)

*asked on March 25, 2015* -
## Algebra 1

Tell whether the system has one solution, infinitely many solutions, or no solution. 1.) y= 1/2x +3 2y -x =6 2.) x= -7y + 34 x+ 7y =32

*asked on February 24, 2015* -
## civics

Which of the following describes a way geographic features influenced how north american countries were settled ? A. populations were greatest in inland areas where climates were more moderate. B.people settled along the borders between countries to make

*asked on June 4, 2014* -
## A/P Calculus

A Cyclist is riding on a path whose elevation is modeled by the function f(x) = 0.08(16x-x^2) where x and f(x) are measured in miles. Find the rate of change of elecation when x=4. Would this be 0.64? dx/dt would be 1.28 - 0.16x and then plug in four?

*asked on November 9, 2013* -
## chemistry

how do i find the specific heat of a metal??

*asked on April 16, 2013* -
## Physics

An electron with a velocity of v = (3 x + 4 y + 2 z) × 106m/s enters a region where there is both a magnetic field and an electric field. The magnetic field is B = (1 x - 2 y + 4 z)T. If the electron experiences no force as it moves, calculate the

*asked on March 21, 2013* -
## Physic Help

Charge is distributed through an infinitely long cylinder of radius R in such a way that the charge density is proportional to the distance from the central axis: ß = A r, where A is a constant and ß is the density. (a) Calculate the total charge

*asked on February 18, 2013* -
## FInance

Assume that you have $10,000 which you plan to invest for 3 years. How much more would you have if you invested the funds at 10% with annual compound interest versus 10% with simple interest? No funds will be paid until the end of the 3rd year.

*asked on February 14, 2013* -
## Physics

Two objects are connected by a light string that passes over a frictionless pulley as in the fi gure. One object lies on a frictionless, smooth incline. In the figure, m1 = 8.48 kg, m2 = 4.84 kg, and theta = 40.2 degrees . When we let go of the mass m1,

*asked on January 27, 2013* -
## Algebra 2

how do i simplify this expression? 9x^2 16x^4y^2 -------- x -------- -4x^3y^4 25xy

*asked on December 5, 2012* -
## math

i am a 3 digit number when i am rounded to the nearest 100 my hundreds digits is one less than my tens digit and 2 less than my ones digit what number am i

*asked on November 5, 2012* -
## Physics

Assume you construct a new water tower for a town water supply. Assume the tank is in the shape of a sphere with a diameter of 21ft. Assume the tank is made of formes and welded .5 in steel plate that weighs 150 lb per ft3. What is the weight on each of

*asked on July 9, 2012* -
## Chemistry

Calculate the pressure in an evacuated 250. mL container at 0.00 degrees C if 3.20 cm^3 of liquid oxygen evaporates. Assume that the liquid oxygen has a density of 1.118 g/cm^3 I understand that the density and volume can be used to find the mass in grams.

*asked on May 7, 2012* -
## Geometry

Triangle UVW is the pre-image of triangle RST with a scale factor of 3. Find the area of triangle UVW if the area of triangle RST is 9 cm2.

*asked on May 2, 2012* -
## math

If you need 240 oz of paint to cover 1200 in. How much paint do you need to cover 2000 in.?

*asked on February 24, 2012* -
## Business Research

What is the easiest way to reduce sampling error? What is the relationship between sampling error and the generalizability of the results of a study? Finally, what hap- pens to sampling error as the size of the sample increases? Why?

*asked on January 25, 2012* -
## Grammar Check

Can you please check this to see if my grammar is correct. Thank you :) Thank you for all that you have done & continue to do, for me. I wouldn't be where I'm at today, if it wasn't for all your help. I feel like I have improved so much, since the first

*asked on December 6, 2011* -
## Physics

A cylinder of oxygen has a gauge pressure of 2000psi and a volume of 16L at 70 degrees F. If the oxygen is used as a constant flow rate of 2 L/minute, measured at 1 atm of pressure, how long will the tank last? Hint: Calculate the mass (grams) of oxygen in

*asked on April 18, 2011* -
## chemistry

A helium atom weighs 6.65 X 10 to the negative 24 grams. How many helium atoms are contained in a 1.0 g sample?

*asked on April 16, 2011* -
## Physics

What is the fundamental frequency, the first three overtones of an organ pipe that is 100cm in length ans is closed on one end and open on the other? Take the speed of sound to be 345 m/s.

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

If one machine creates a level of 90 decibels, what decibel level would be generated by 50 of these machines? If sounds are created at random, the net intensity is found by adding the individual intensities-not the decibels. Ignore distance effects.

*asked on April 6, 2011* -
## physics

Human blood contains plasma, platelets, and blood cells. To separate the plasma from other components, centrifugation is used. Effective centrifugation requires subjecting blood to an acceleration of 2000g or more. In this situation, assume that blood is

*asked on August 31, 2011* -
## Physics

A river 99.1 m wide flows toward the south at 31.5 m/min. A girl on the west bank wishes to reach the east bank in the least possible time. She can swim 99.1 m in still water in 1.80 min. What is her velocity relative to land? magnitude In what direction

*asked on February 2, 2011* -
## Physics

A plane is headed due west with an air speed of 221 m/s. The wind blows south at 37.5 m/s. Find the velocity of the plane relative to the earth. The question asks for the magnitude which I found is 224 m/s. The question also asks for the

*asked on February 2, 2011* -
## Physics

A man can row a boat at a speed of 4.40 km/h in still water. If he is crossing a river where the current is 2.45 km/h, in what direction should his boat be headed if he wants to reach a point directly opposite his starting point? I've tried 56.16 degrees

*asked on February 2, 2011* -
## math

The length of the sides of a triangle are 6,14,and 10.If the shortest side of a similar triangle has length,then its perimeter is?

*asked on January 28, 2011* -
## Math (important!)

We are doing a small group project and my group members and I are very confused. The project description: Using the variables provided below, you are working with your group to make a recommendation to the township directors. Currently we mow the grass

*asked on January 6, 2011* -
## physics

suppose you exert 150N on your refrigerator and push it across the kitchen floor at constant velocity. a. is the friction force equal and opposite to your 200N push? explain b. does the friction force make up the reaction force to your push?

*asked on November 6, 2010* -
## Math

Using factoring by grouping, how would you factor these out. 4t^2+3t-4t-3 3t^2-1t-3t+1

*asked on April 26, 2010* -
## Chem

Hydrogen peroxide decomposes according to the following: H2O2--> H2O(l) + 1/2O2(g); deltaH = -98.2kJ Calculate the change in enthalpy, deltaH, when 1.00g of Hydrogen peroxide decomposes

*asked on November 19, 2009* -
## 6th grade Math

Your brother pulls his sled up a hill. Each minute he moves forward 20 feet, but he also slides backward 3 feet. Describe how you can determine the time he needs to pull his sled 130 feet forward.

*asked on September 25, 2008* -
## chemistry

Draw three repeating units of the condensation polymer made from ethanedioic acid and ethanediol.

*asked on May 11, 2008* -
## chemistry

What type of linkage joins the nucleotides within a single DNA strand Is it a hydrogen bond?

*asked on May 10, 2008* -
## Algebra

A drug trial is testing the effectiveness of two drugs, If 50 patients are given Drug A, 20 patients are given Drug B, and 100 patients are given a placebo, what is the probability that a patient will NOT be given a placebo? a. 10/17 b. 7/17 c. 5/17 d.

*asked on May 20, 2020* -
## Algebra

You want to determine the number of text messages students at your school make in a month. You select 10 freshmen, 10 sophomores, 10 juniors, and 10 seniors to ask, a. random b. systematic c. stratified Would the answer be systematic

*asked on May 20, 2020* -
## Algebra

A spinner is numbered 1-8. What are the ODDS of landing on a number greater than 5?

*asked on May 20, 2020* -
## Algebra

You have the numbers 1–24 written on slips of paper. If you choose one slip at random, what is the probability that you will NOT select a number which is a multiple of 3? a. 2/3 b. 3/8 c. 1/3 d. 5/8

*asked on May 20, 2020* -
## Algebra

A drug trial is testing the effectiveness of two drugs. If 40 patients are given Drug A, 80 patients are given Drug B, and 20 patients are given a placebo, what is the probability that a patient will receive drug B? a. 4/7 b. 6/7 c. 3/10 d. 1/5

*asked on May 20, 2020* -
## Algebra

In a batch of 280 water purifiers, 12 were found to be defective. What is the probability that a water purifier chosen at random will be defective? Write the probability as a percent. Round to the nearest whole number percent if necessary. a. 11% b. 13% c.

*asked on May 20, 2020* -
## Algebra

A construction company orders 2900 new light bulbs for a new office building. If the probability of a light bulb being defective is 1.9%, predict how many of the light bulbs are likely to be defective. Round your answer to the nearest whole number.

*asked on May 20, 2020* -
## Algebra

In a batch of 280 water purifiers, 12 were found to be defective. What is the probability that a water purifier chosen at random will be defective? Write the probability as a percent. Round to the nearest whole number percent if necessary.

*asked on May 20, 2020* -
## Algebra

A cell phone company orders 400 new phones from a manufacturer. If the probability of a phone being defective is 2.1%, predict how many of the phones are likely to be defective. Round your answer to the nearest whole number. I'm really sorry but I need

*asked on May 19, 2020* -
## Physics

if the coefficient of static friction between a 55 kg box and the floor is 0.67 with what minimum horizontal force must it be pulled to get the to crate move

*asked on May 8, 2020* -
## Algebra

A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation y = mc006-1.jpg0.04xmc006-2.jpg+ 5.8x + 4.9, where x is the horizontal distance, in meters, from the starting point on the roof and y is the

*asked on April 2, 2020* -
## algebra

The height of a projectile fired upward is given by the formula s = v0t – 16t^2, where s is the height, v0 is the initial velocity and t is the time. Find the times at which a projectile with an initial velocity of 128 ft/s will be 176 ft above the

*asked on March 12, 2020* -
## algebra

The height of a projectile fired upward is given by the formula s = v0t − 16t^2, where s is the height, v0 is the initial velocity, and t is the time. Find the time for a projectile to return to Earth if it has an initial velocity of 232 ft/s.

*asked on March 12, 2020* -
## math

A sample of 4 balls is to be selected at random from an urn containing 18 balls numbered 1 to 18. Five balls are green, 6 balls are white, and 7 balls are black. (a) How many different samples can be selected? (b) How many samples can be selected that

*asked on February 29, 2020* -
## Research

about how many Cherokees died of smallpox in1745

*asked on January 21, 2020* -
## Calculus

I am trying to find the integral of e^(6x)sin(7x). Apparently, the answer is (6e^(6x)sin(7x) - 7e^(6x)cos(7x))/85) + C and achieving the answer is mostly understandable since it involves integrating the function in parts... that is until I get to this

*asked on October 7, 2018* -
## Math

A $10,000 loan is to be amortized for 10 years with quarterly payments of $349.72. If the interest rate is 7%, compounded quarterly, what is the unpaid balance immediately after the sixth payment? (Round your answer to the nearest cent.)

*asked on October 4, 2017*