Friday

July 29, 2016
Number of results: 122,983

**physcis**

A beam resting on two pivots has a length of L = 9.00 m and mass M =81.0 kg. The pivot under the left end exerts a normal force n1 on the beam, and the second pivot placed a distance 4.00 m from the left end exerts a normal force n2. A woman of mass m= 43.0 kg steps onto the ...
*November 11, 2012 by Anonymous*

**math**

10 pesos = .909198 US dollars. Use estimation and rounding to find out how many US dollars equal 200 pesos. B) how many pesos approximately are 4 US dollars?
*May 22, 2012 by alandra*

**Calculus**

Use the Fundamental Theorem of Calculus to find the area of the region bounded by the x-axis and the graph of y = 4 x3 − 4 x. Answer: (1) Use the Fundamental Theorem of Calculus to find the average value of f(x) = e0.9 x between x = 0 and x = 2. Answer: (2) Draw the ...
*December 6, 2010 by Erika*

**Dr.Bob**

I was wondering if I'm synthesizing a product in the end. I shouldn't put the end product of each reaction on the front page as well right?
*April 8, 2008 by ~christina~*

**Math**

Use Newton's method to find a value of x that satisfies: e^x- (x^2/2) = 0 Use the starting value x0=0. Display answer in 4 significant figures
*November 15, 2012 by Michael*

**Physics**

The soccer goal is 23.05 m in front of a soccer player. She kicks the ball giving it a speed of 17.97 m/s at an angle of 25.83 degrees from the horizontal. If the goalie is standing exactly in front of the net, find the speed of the ball just as it reaches the goalie. Do I ...
*November 6, 2007 by Lindsay*

**algebra**

need help with this problem can someone help me? "At the end of the week one, a stock had increased in value from $5.75 a share to $7.50 a share. Find the percent of increase at the end of week one to the nearest tenth of a percent. At the end of the week two, the same stock ...
*January 28, 2010 by Jessica*

**criminal justice**

1.Which option (front-end solutions, double bunking, or back-end solutions) do you feel is the most effective in our correctional system?
*February 11, 2010 by Sasha*

**Maths**

How Do You find the volume of a hexagon ? The Front Has cm squared so do you not times the front bit ??
*September 24, 2008 by Emily Louiisee X*

**inb-help**

1.Why is an exporter that is to be paid in six months in a foreign currency worried about fluctuating foreign exchange rates? 2.Are there ways in which this exporter can protect itself? If so, what are they? 3.How does the credit or money market hedge work?buy protection on ...
*September 13, 2007 by BOBBY*

**law**

Which option (front-end solutions, double bunking, or back-end solutions) do you feel is the most effective in our correctional system? Explain your rationale.
*May 17, 2011 by sammyg*

**sew**

6. You're repairing an armhole seam in a turtleneck used primarily for skiing. The stitching has come loose because of the extra arm movement. What type of hand stitch do you use? A. Backstitch B. Slipstitch C. Running stitch D. Blind stitch 7. If your sewing machine were ...
*April 20, 2010 by izzy*

**calculus**

use the intermediate value theoremto show that the polynomial function has a zero in the given interval f(x)=x^5-x^4+8x^3-5x^2-14x5;[1.4;1.5] find the value of f (1.4)= find the value of f (1.5)= show work, thanks
*December 30, 2012 by Julienne*

**calculus**

1.Solve the differential equation dy/dx= y^2/x^3 for y=f(x) with the condition y(1) = 1. 2.Solve the differential equation y prime equals the product of 2 times x and the square root of the quantity 1 minus y squared. Explain why the initial value problem y prime equals the ...
*April 28, 2015 by Anonymous*

**Information MGT**

Cost estimation is always one of the trickiest part of any new project. I wonder why this is so. Do you think majority of projects nearing their completion make everyone realize that the initial cost estimation was way off course? Cost estimation is tricky because of the ...
*April 12, 2007 by Ms Brown*

**math**

I am trying to find the coordinates of a point in a line. I have one end, and I have the midpoint. What formula should I use to find the one on the end? The one end is (8,4) and the MIDPOINT is (14, 7). What would I do to find the opposite point?! thanks!
*February 3, 2011 by Dawn*

**Actuarial Math**

The sum of the accumulated value of 1 at the end of four years at a certain effective rate of interest, and the present value of 1 to be paid at the end of four years at an effective rate of discount numerically equal to I is 2.0098 Find the rate
*October 11, 2010 by Summer*

**Tax**

For AMT purposes, the standard deduction and personal exemptions are: A. allowed for AMT purposes. B. added as a positive AMT adjustment. C. subtracted as a negative AMT adjustment. D. reduced by half for AMT purposes. is it B
*April 14, 2012 by Andy*

**account (urgent!!pls help)**

accounting question [prepare journal entries for the year end adjustment] A fire broke out in the office during the year. the insurance company agreed to pay compensation of $3000 to the company in December 2009.No entries for this compensation were made at the year end.This ...
*July 8, 2012 by michelle*

**Statistics**

A researcher wants to see if gender plays a role in where we sit in a restaurant. An analysis of survey data yields the following contingency table, chi-squared value, and p-value: Tabulated statistics: Gender, Seating Rows: Gender Columns: Seating Back Front Middle All Female...
*July 26, 2012 by Sheri*

**math**

14.what value of n will result in a mean if 31 15.what value of n will result in a median of 23 15.what value of a will result in a range of 84 14,46,19,10,39,22,24,77,n Refresh your memory about the defnition of median, mode and range of a set of numbers. Then pick a value of...
*March 4, 2007 by alice*

**physics**

what distance should you keep between you and the car in front of you if the traffic is moving at 65mph? Your reaction time is 1s, and both the cars can decelerate at the same rate. Include reasonable estimate for the length of the car (you don't want your bumper to end up at ...
*October 15, 2007 by Tammy*

**Physics**

what distance should you keep between you and the car in front of you if the traffic is moving at 65mph? Your reaction time is 1s, and both the cars can decelerate at the same rate. Include reasonable estimate for the length of the car (you don't want your bumper to end up at ...
*October 15, 2007 by Tammy*

**physics**

what distance should you keep between you and the car in front of you if the traffic is moving at 65mph? Your reaction time is 1s, and both the cars can decelerate at the same rate. Include reasonable estimate for the length of the car (you don't want your bumper to end up at ...
*October 15, 2007 by Tammy*

**physics**

The CM of an empty 1300 kg car is 2.40 m behind the front of the car. How far from the front of the car will the CM be when two people sit in the front seat 2.80 m from the front of the car, and three people sit in the back seat 3.80 m from the front? Assume that each person ...
*March 11, 2010 by Anonymous*

**physics**

The CM of an empty 1300 kg car is 2.40 m behind the front of the car. How far from the front of the car will the CM be when two people sit in the front seat 2.80 m from the front of the car, and three people sit in the back seat 3.80 m from the front? Assume that each person ...
*March 14, 2010 by Anonymous*

**Math**

160,656 underlined is 1
*September 16, 2014 by Faith*

**Calculus HELP plz**

Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Then find the area of the region. 2y=4x^1/2,y=5,2y+1x=5 Do you really mean "2y+1x=5" ? It is not customary to use the coefficient 1 in front of a variable. It is unnecessary. ...
*May 5, 2007 by jimmy*

**math**

An initial-value problem is given by the differential equation, f(x,y) = x + y, y(0) = 1.64 The Euler-midpoint method is used to find an approximate value to y(0.1) with a step size of h = 0.1. Then use the integrating factor method, to find the exact value of y(0.1). Hence, ...
*September 26, 2012 by enigma*

**Math**

Yi Chen made a $6,400 investment at the beginning of a year. By the end of the year, the value of the investment had decreased by 8.2%. What was it's value at the end of the year? How would I do this? I am so very lost! Value= 6400(1-.082) would it not be $6400/100 then ...
*May 27, 2007 by Heather*

**automobile engineering**

For an automobile with wheel base 2.5m, the centre of gravity lies 0.6 m above the ground and 1.15 m in front of the rear axle. The automobile is moving on level ground with a speed of 45 km/hr. Find the minimum stopping distance when (a) Only rear wheels are braked (b) Only ...
*September 14, 2015 by amit*

**Math**

Write an addition problem in which, when the addends are rounded to the nearest ten, the sum is 90. Then explain how you use estimation to solve the problem.
*May 15, 2012 by Kelly*

**math**

Write an addition problem in which, when the addends are rounded to the nearest ten, the sum is 90. Then explain how you use estimation to solve the problem.
*January 5, 2015 by grace *

**statistics**

Assume that a procedure yields a binomial distribution with n trials and the probability of success for one trial is p. Use the given values of n and p to find the mean μ and standard deviation σ. Also, use the range rule of thumb to find the minimum usual value &#...
*February 18, 2015 by slomomo*

**Repost-Physics 1**

Two railroad cars, each of mass 2.2 104 kg, are connected by a cable to each other, and the car in front is connected by a cable to the engine as shown in the figure below. The cars start from rest and accelerate to a speed of 1.7 m/s after 1 min. a)Find the work done by cable...
*October 9, 2012 by John*

**Physics 1**

Two railroad cars, each of mass 2.2 104 kg, are connected by a cable to each other, and the car in front is connected by a cable to the engine as shown in the figure below. The cars start from rest and accelerate to a speed of 1.7 m/s after 1 min. a)Find the work done by cable...
*October 8, 2012 by John *

**Barton County Community College**

What is the proper adjusting entry at June 30, the end of the fiscal year, based on a prepaid insurance account balance before adjustment, $15,500, and unexpired amounts per analysis of policies, $4,500?
*October 7, 2008 by Angela*

**Math**

Using the term structure in Problem 29 what is the present value of an investment that pays $100 at the end of each of years 1., 2. and 3? If you wanted to value this investment correctly using the annuity formula which discount rate should you use?
*June 7, 2014 by J*

**calc**

Consider the function below. (Round the answers to three decimal places. If you need to use - or , enter -INFINITY or INFINITY.) f(x) = 4 + 4x2 - x4 (a) Find the intervals of increase. (Enter the interval that contains smaller numbers first.) Find the intervals of decrease. (...
*April 3, 2010 by Anonymous*

**center of mass-please help**

The CM of an empty 1170 kg car is 2.50 m behind the front of the car. How far from the front of the car will the CM be when two people sit in the front seat 2.8 m from the front of the car, and three people sit in the back seat 3.90 m from the front? Assume that each person ...
*March 9, 2010 by Anonymous*

**Math**

The nominal rate of interest is 8% and the rate of inflation is 5%. A single deposit is invested for 10 years. Let: A= value of the investment at the end of 10 years measured in "constant dollars," i.e. in dollars valued at time 0. B= value of the investment at the end of 10 ...
*May 11, 2011 by Katie*

**math**

A rule of thumb used by car dealers is that the trade-in value of a car decreases by 30% each year. That is, the value at the end of any year is 70% of its value at the beginning of the year A.Suppose that you own a car whose trade-in value is presently $2350. How much will ...
*April 7, 2010 by kaylarae*

**Physics Mehanics**

A meter stick is held vertically with one end on the floor and is then allowed to fall. Find the speed of the other end when it hits the floor, assuming that the end on the floor does not slip. (Hint: Consider the stick to be a thin rod and use the conservation of energy ...
*February 24, 2011 by D*

**corp. finance**

What is the future value at the end of year 20 of depositing $5,000 today, $3,500 at the end of years 1, 2 and 3, $5,000 at the end of years 4, 5, 6 and 7 and $4,250 at the end of years 8, 9, 10, 11 and 12 into an account that pays 13% p.a.?
*October 22, 2009 by James *

**Chemistry**

Can someone confirm that I'd be doing this right? If an 0.520 m aqueous solution freezes at -3.00 C, what is the van't Hoff factor, i, of the solute? It says I can find the Kf values on a table. I had no idea which Kf value to use... so i just used water... is that right? If ...
*February 16, 2012 by David*

**maths**

An initial-value problem is given by the differential equation, f(x,y) = x + y, y(0) = 1.64 The Euler-midpoint method is used to find an approximate value to y(0.1) with a step size of h = 0.1. Then use the integrating factor method, to find the exact value of y(0.1). Hence, ...
*September 29, 2013 by Matthew*

**Fundamentals of Cost Analysis (Economic Analysis)**

What would be the present value of an item that has a salvage value of $25,000 at the end of five years? Assume a discount rate of 3.8% for an end-of-year factor. Carry calculations to four decimal places.
*August 19, 2010 by D*

**economics**

What would be the present value of an item that has a salvage value of $25,000 at the end of four years? Assume a discount rate of 3.8% for an end-of-year factor. Carry calculations to four decimal places. $25,950 $24,085 $20,747 $21,535
*May 8, 2014 by ed*

**Physics**

Workers have loaded a delivery truck in such a way that its center of gravity is only slightly forward of the rear axle. .63m in front of the rear wheels and 2.3m behind the front wheels. The mass of the truck and its contents is 9155 kg. Find the magnitudes of the forces ...
*November 25, 2010 by shai*

**Math - is this correct?**

1. Estimate a 15% tip on a taxi ride that costs $23.25. I will first round the cost to the nearest dollar. $23.25 ≈ $23.00 I will now use mental math to find 10% of the cost. $23.00 x 0.1= 2.3 5% is 1/2 of 10%, so it would be $1.15. Finally, I will add the values to get ...
*February 1, 2016 by Lizzie*

**physics**

A car is behind a truck going 23.0 m/s on the highway. The driver looks for an opportunity to pass, guessing that his car can accelerate at 2.2 m/s2, and he gauges that he has to cover the 24.0 m length of the truck, plus 10 m clear room at the rear of the truck and 10 m more ...
*May 13, 2007 by micole*

**Physics**

I have been working on this homework question for a bit, but I just can't get it. Please help me! Where must an object be placed with respect to a convex lens (f=20cm) to generate an upright image that is 4 times as large as the object? 10 cm in front 10 cm behind 55 cm in ...
*April 25, 2011 by Sonia*

**Science**

Starting from rest, a boulder rolls down a hill with constant acceleration and travels 3.00 during the first second. How far does it travel during the second second? How fast is it moving at the end of the first second? How fast is it moving at the end of the second second? If...
*September 19, 2006 by Morgan*

**Estimation decimal quotient **

Use compatible numbers to find the each quotient ,2.90 divided by 29,48 divided by 3.2, 0.18 divided by 0.33,152 divided by 5.12,41.9 divided by 19,33.90 divided by 10.2, 502 divided by 9.5, 180.8 divided by 6 , 48 divided by 3.33, 0.65 divided by 5.1,18.2 divided by 11, 55 ...
*October 19, 2014 by Juliet*

**calculus**

How do you find the x-intercept of a cubic graph? For example y=2x^3+2, also, how does the 2 in front of the x influence the graph when compared to having a one in front?
*April 12, 2011 by Ally*

**MATH**

Erica uses 39 inches of ribbon to make wreaths to sell at a craft fair. She has 8,656 inches of ribbon to use. About how many wreaths can she make.
*September 12, 2013 by Nazariyah*

**English**

1. There were 40 seats for older children in the front and benches for little children at the back. 2. There were 40 seats for older children at the front and benches for little children in the back. -------------------------------------- Which preposition do we have to use? ...
*March 15, 2015 by rfvv*

**History**

Can someone help me find the answer? I am having trouble with it. Was the Agricultural Adjustment Act constutional? Why or why not?
*May 15, 2015 by Red Lantern*

**Math**

The diameter of a normal front wheel on a bicycle is 24" Find the circumference and area of the front wheel?
*February 24, 2016 by Mary*

**Math 1350**

One rectangular table seats three people along each side and two people are seated at each end. The tables are place end-to-end in one long line. Draw a series of pictures that will help you find a pattern to predict how many tables will be needed to seat exactly 172 people. ...
*October 26, 2015 by Ne Ne*

**Physics**

A person who is properly constrained by an over-the-shoulder seat belt has a good chance of surviving a car collision if the deceleration does not exceed about 30 "'s". Assuming uniform deceleration of this value, calculate the distance over which the front end of the car must...
*September 24, 2012 by Amie*

**math**

marcus drives a delivery truck and spent$89 on gas his frist week.if he drives 8 months using about this much gas each week,how much would he spent on gas ?use estimation to find the answer to the nearest $1000.
*February 28, 2011 by cindy*

**physics **

A mechanic jacks up a car to an angle of 10◦ with the horizontal in order to change the front tires. The car is 2.78 m long and has a mass of 1110 kg. Its center of mass is located 1.15 m from the front end. The rear wheels are 0.25 m from the back end. around the back ...
*November 9, 2014 by morg*

**Algebra**

I need help with solving these absolute value inequalities. I have to graph them as well. y< |x+2|+4 and y>|x+5|+3 I just don't know what to do without a coefficient in front of the absolute value!
*September 12, 2013 by Mimi*

**Algebra**

5x=1/2y-1, find value of X; 1/4y=10x-1, find value of Y (use substitution)
*March 10, 2008 by Linda*

**Physics**

A soccer player kicks the ball toward a goal that is 28.0 m in front of him. The ball leaves his foot at a speed of 19.5 m/s and an angle of 30.6 above the ground. Find the speed of the ball when the goalie catches it in front of the net. (Note: The answer is not 19.5 m/s.) ...
*December 1, 2015 by Anonymous*

**physics**

The figure shows a uniform beam of mass m pivoted at its lower end, with a horizontal spring attached between its top end and a vertical wall. The beam makes an angle with the horizontal. (a) Find expression for the distance d the spring is stretched from equilibrium. (Use ...
*April 30, 2013 by annetee*

**statistics**

Find 10-th, 60-th and 75-th percentiles in each of your data set, then write down each value that corresponds to those percentiles. Now use those values to find sample percentiles empirically (Suppose value a corresponds to 10-th percentile in my data set. After finding the ...
*November 20, 2011 by metu*

**SS**

During an occluded front, a fast-moving cold front overtakes a slower moving ____ front.
*February 7, 2013 by Bell*

**Finance**

you have to replace a copy machine and you have 2 offers. both offers 3 year leases. offer 1 requires an up-front payment of $1700 with additional payments of $1200 at the beginning of years 2 and 3. The firm is also charged one-half of 1 cent, ($0.005), for each sheet printed...
*February 28, 2015 by Sophie*

**Managerial Accounting**

Kim Johnson purchased an asset for $80,000. Annual operating cash inflows are expected to be $30,000 each year for four years. At the end of the life of the asset, Kim will not be able to sell the asset because it will have no salvage value. Required: What is the net present ...
*April 13, 2013 by Lisa*

**Calculus II**

With Taylor/Maclaurin polynomials Use the Remainder Estimation Theorem to find an interval containing x = 0 over which f(x) can be approximated by p(x) to three decimal-place accuracy throughout the interval. f(x) = sin x p(x) = x - 1/6 * x^3 The book answer is (-.569, +.569...
*June 14, 2009 by Sean*

**Math**

Find how much must be deposited now (present value) at % simple interest so that in 6 years an account will contain $8958 (future value). present value = $ WHAT FORMULA DO I NEED TO USE TO HELP ME SOLVE THE PROBLEM?
*September 10, 2010 by AMANDA*

**math**

A borrower received a 30-year ARM mortgage loan for $120,000. Rate caps are 3/2/6 (first adjustment/subsequent adjustments/total over the life of the loan). The start rate was 3.50% and the loan adjusts every 12 months for the life of the mortgage. The index used for this ...
*October 3, 2012 by mahagoni*

**Calculus**

Use the intermediate value theorem to find the value of c such that f(c) = M. f(x) = x^2 - x + 1 text( on ) [-1,12]; M = 21
*June 7, 2013 by Tee*

**College Algebra**

Value of Computer Software The value V, in dollars, of a shopkeeper's inventory is software program is given by V=-50t + 300, where t is the number of years since the shopkeeper first bought the program. SHOW YOUR WORK for a and c. a) Find the value of the software after 0 ...
*September 4, 2011 by Anonymous*

**Physics**

A 4.00 103-kg car has a speed of 9 m/s. The car then hits a tree. The tree doesn't move and the car comes to rest. (a) Find the change in kinetic energy of the car. . J (b) Find the amount of work done in pushing in the front of the car. J (c) Find the size of the force that ...
*May 10, 2012 by Haley *

**Algebra 2**

A diamond is purchased for $3500. Its value increases 5% each year. Find the value of the diamond at the end of the sixth year of ownership. Please explain
*February 19, 2015 by Nicole*

**math**

Direct variation Y is proportional to x. Use the x value & y value to find a linear model that relates y and x. x=5, y=9 X=11, y=1.5
*June 3, 2014 by Anonymous*

**Edu 656-Education**

Reflect on your readings this week and describe at least three take-away concepts.
*February 13, 2014 by Fannie*

**statistics**

use technology to find the P-value for a right-tailed test with n=21 and test statistic t=2.065 apparently, i don't have a stat calculator or statistical software to use to find the answer. so i need help how to find it by using the t distribution table..
*May 21, 2010 by shasha*

**math**

A diamond is purchased for $3500. Its value increases 4% each year. Find the value of the diamond at the end of the sixth year of ownership.
*March 19, 2015 by may*

**advance algebra**

use synthetic substitution to find the value of the given polynomial function at the indicated value. a. P(x)=x^4+x^3-4x^2-8x; P(-1)
*July 23, 2014 by Nialleen*

**Finance**

An investment will provide Nicholas with $100 at the end of each year for the next 10 years. What is the present value of that annuity if the discount rate is 8% annually? What is the present value of the above annuity if the payments are received at the beginning of each year...
*July 13, 2014 by Aina*

**Accounting**

Basic NPV: No Salvage Value or Taxes Carrie Rushing is considering the purchase of a new production machine that costs $120,000. She has been told to expect decreased annual operating expenses of $40,000 for four years. At the end of the fourth year, the machine will have no ...
*April 13, 2013 by Marie*

**chemistry**

A first-order reaction is 40% complete at the end of 50 minutes. What is the value of the rate constant (in min^-1)? A. 1.8 x 10^-2 B. 1.0 x 10^-2 C. 1.2 x 10^-2 D. 8.0 x 10^-3 E. none of these how would i approach this problem? i know that to find the rate constant, i could ...
*May 26, 2008 by jesse may*

**grade 12 accounting**

The account accumulated amortization - equipment is a credit account and it has 1,200 in it on the work sheet for the month ended march 31, 2003. I have to make an adjustment to it, and the adjustment is: amortization for march is 100. Do I credit or debit the 100 to the ...
*September 17, 2010 by kat*

**math - probability**

Imagine a LONG bike with a total of 4 wheels - 2 in the front and 2 in the back. For the bike to work at all, at least 1 front wheel and 1 back wheel must be operational. All 4 tires are the same and each, individually, has probability 'p' of failing. What is the probability ...
*November 3, 2006 by andrew*

**Calculus**

The present value of a building in the downtown area is given by the function P(t) = 300,000e^-0.09t+t/2 f or 0 t 10 Find the optimal present value of the building. (Hint: Use a graphing utility to graph the function, P(t), and find the value of t0 that gives a point ...
*April 11, 2013 by Deeno*

**Calculus**

The present value of a building in the downtown area is given by the function P(t) = 300,000e^-0.09t+t/2 f or 0 t 10 Find the optimal present value of the building. (Hint: Use a graphing utility to graph the function, P(t), and find the value of t0 that gives a point ...
*April 11, 2013 by Deeno*

**Calculus**

The present value of a building in the downtown area is given by the function p(t) = 300,000e^-0.09t+t/2 f or 0 _< t _< 10 Find the optimal present value of the building. (Hint: Use a graphing utility to graph the function, P(t), and find the value of t0 that gives a ...
*April 12, 2013 by Deeno*

**Calculus**

The present value of a building in the downtown area is given by the function p(t) = 300,000e^-0.09t+(t)/2 f or 0 _< t _< 10 Find the optimal present value of the building. (Hint: Use a graphing utility to graph the function, P(t), and find the value of t0 that gives a ...
*April 12, 2013 by Deeno*

**Calculus**

The present value of a building in the downtown area is given by the function p(t) = 300,000e^-0.09t+(t)/2 f or 0 _< t _< 10 Find the optimal present value of the building. (Hint: Use a graphing utility to graph the function, P(t), and find the value of t0 that gives a ...
*April 12, 2013 by Deeno*

**Calculus**

The present value of a building in the downtown area is given by the function p(t) = 300,000e^-0.09t+(t)/2 f or 0 _< t _< 10 Find the optimal present value of the building. (Hint: Use a graphing utility to graph the function, P(t), and find the value of t0 that gives a ...
*April 14, 2013 by Deeno*

**Pre-Calculus**

1) For tax purposes a manufacturer is allowed to depreciate the value of a machine by 10% each year. If the original value of the machine was $10,000, what would be its value for tax purposes at the end of 6 years. (Assume the depreciation is computed at the end of each year...
*November 12, 2015 by Anon*

**algebra 2**

Use substitution to solve the system 3x + 7y = −3 (1) 7x + y = −53 (2) Find the value of x. (part 2 of 2)Find the value of y.
*February 17, 2011 by briana*

**Business Communication**

Which of the following would NOT be an informative or positive message? a.Summary b.Claim adjustment c.Transmittal d.Direct request I'm shure that Summary and Transmittal could be positive and informative.But I'm really confused about Claim adjustment and Direct request.
*March 18, 2011 by MaS*

**Math**

Jerry earned $18,500 one year and then received a 10.5% raise. What is his new yearly salary? Yi Chen made a $6,400 investment at the beginning of a year. By the end the year,the value of the investment had decreased by 8.2%. What was its value at the end of the year
*March 6, 2008 by Danielle*

**Plz Hel, word problem:)**

I have tried hard to solve, but I'm stuck.... Lets use our knowledge of quadrantic equations to analyze a real world business application. If P dollars is invested at r rate of interest compounded anually t years, then the amount of money, A, accummulated at the end of t ...
*September 24, 2010 by Jesee*

**Intro to probability**

Two balanced coins are tossed. What are the expected value and the variance of the number of heads observed? ================================== I'm confused on how to start. I don't know how many times im suppose to toss coin, and how to set up my table for the expected value ...
*February 23, 2008 by amelie*