Friday

December 2, 2016
Number of results: 3,908

**Algebra**

A cell phone company offers a contract which cost C, in dollars, of t minutes to telephoning is given by C=0.25(t-400)+57.95, where it is assumed that t is greater than and equal to 400 minutes. what times keep cost between $98.95 and $138.95? For the cost to be between 98.95 ...

*November 2, 2008 by HELP!!!*

**Math**

The prices of 7 race cars are 126,000 140,000 140,000 180,000 400,000 400,000 819,000 The mean is $315,000? the median is 180,000 which of these measures of central tendency best represents the value of the seven race cars and why??

*May 30, 2009 by Angie*

**algebra**

Maurice drove 400 km from Edmonton to Battleford in 1 hour less time than it took Martin to drive the same route from Battleford to Edmonton. If Maurice drove 20 km/h faster than Martin, at what speed did each of them drive? Show a complete algebraic solution. This is the ...

*February 12, 2007 by Shay*

**CONTEMPORARY MATH**

HOW DID THEY GET THIS ANSWER? PHYSICAL INVENTORY OF PICTURE FRAME WAS TAKEN AT TARGET THEY FOUND THERE WAS 700 WAS REMAINING WHAT WAS THE INVENTORY PRICING? IT GOES ON TO GIVE THE STRATEGY JAN 1 BEGIN INVEN. 400 UNITS @ $5.00 = $2000.00 APRIL 9 PURCHASE 200 UNITS @ $6.00 = $...

*July 30, 2010 by NOAH*

**statistics**

The amount of corn chips dispensed into a 16-ounce bag by the dispensing machine has been identified at possessing a normal distribution with a mean of 16.5 ounces and a standard deviation of 0.1 ounce. Suppose 400 bags of chips were randomly selected from this dispensing ...

*November 8, 2011 by UG*

**REACTION KINECTICS**

An alternative route to the production of propylene from propane would be through oxydehydrogenation At atmospheric pressure, what is the fraction of propane converted to propylene at 400, 500, and 600°C if equilibrium is reached at each temperature? Compare the results to ...

*September 17, 2014 by BALOCH*

**economics**

P 2 3 4 5 6 7 8 9 10 11 12 13 14 QD 400 380 360 340 320 300 280 260 240 220 200 180 160 QS 40 80 120 160 200 240 280 320 360 400 440 480 520 Suppose the quota is lifted and a price ceiling of 11 is imposed. Find the new market price. How much will be actually be sold?

*October 6, 2010 by Mike*

**Physics**

If an airplane is moving at a constant velocity of 400 m/s for 20 s, what is its acceleration during this period? 0 m/s squared 20 m/s squared 40.82 m/s squared need more information wouldnt it be need more information because isnt acceleration ending velocity minus starting ...

*April 29, 2008 by Greg*

**Stats**

The lifetime of a particular type of battery is normally distributed with a mean of 1100 days and a standard deviation of 80 days. The manufacturer randomly selects 400 batteries of this type and ships them to a departmental store. (a) What is the mean and standard deviation ...

*June 5, 2008 by Dherain*

**Math**

Q. Lincoln valley elementary held its annul skating party and 3 fourths of the 400 students came. Of the students who came,1 fifths brought skates from home. How many students rented skates? A. Do I mulpite 400 by 3 fourths than get the answer than mulpite 1 fifths by the ...

*February 9, 2015 by Destinee*

**math**

In order to make the most accurate calendar, the following system was devised. Leap years occur every 4 years except for years ending in 00, but years divisible by 400 are leap years. In this case, the year is a leap year if it is divisible by 400. Which of the following years...

*October 10, 2012 by Christina*

**Math**

HELP: Does THIS LOOK OK SO FAR? NEED HELP WITH THE REST, PLEASE! A 1963 Chevy Bel Air, a classic car today, cost $2400 new in mid-1963. How much would that be in 2012 dollars? Cost 2012 = CPI in 2012 Cost 1963 = CPI in 1963 Cost in 2012 = 232.0 $2,400 30.6 Cost in 2012= $2,400...

*November 24, 2013 by Tracy*

**physics**

One of the standard tracks used in athletic events is a 400m loop. This track consists of two straight sections joined by semi-circular sections and one lap of the track in the inside lane is exactly 400 m. (a) What is the displacement of a runner in the inside lane when they...

*August 20, 2015 by prakash*

**statistics**

Air America is considering a new policy of booking as many as 400 persons on an airplane that can sear only 350. (Past studies have revealed that only 85% of the booked passengers actually arrive for the flight.) Estimate the probability that if Air America books 400 persons, ...

*March 8, 2012 by Anonymous*

**Economics**

1) If C = 1000 + 7/8[GDP-1000], I = 700 and G = 1000 and the economy is currently in equilibrium at 400 below full employment GDP, the correct fiscal policy would be to increase G by? 2) If C = 500 + 3/4[GDP- 100], I = 300, G = 400, Xn =- 10 and full employment GDP is 210 less...

*April 3, 2009 by Shanna*

**economic**

1. If C = 1000 + 7/8[GDP-1000], I = 700 and G = 1000 and the economy is currently in equilibrium at 400 below full employment GDP, the correct fiscal policy would be to increase G by? (Points: 2) 2. If C = 500 + 3/4[GDP- 100], I = 300, G = 400, Xn =- 10 and full employment GDP...

*November 30, 2008 by Marieanne*

**algebra**

Please check The delivery truck makes more than 85 stops each day. X>85 In a densely populated area,a car's speed should not exceed 35 mi/h. X<35 The bakery had fewer than 8 loaves of bread left 8<x We expect at most 400 students to attend the football game. X> or ...

*February 26, 2015 by marybeth*

**Math**

Two chemicals,A and B are combined in the ratio 5:11 by volume to form another solution X. A second solution Y is formed by combining chemicals, A,B and C in the ratio 2:3:15 by volume. Find the volume of chemical A in 400 litres of solution X and chemicals C in 400 litres of ...

*November 15, 2016 by Didin*

**Pump power**

I have a question in a tutorial, one of these that give the answers in brackets. However, I think the answer given may be wrong. Anyone check this please, if the given answer is correct, how is it worked out. Q A centrifugal pump is required to lift 400 kg of water per second ...

*January 21, 2007 by Jim (BIGEYE)*

**Physical Science**

two people pull on separate ropes attached to a cart. the angle between the ropes is 90 degrees and one person pulls with a force of 200 newtons while the other pulls with a fore of 400 newtons. find the resultant force and direction using the parallelogram method. is the ...

*March 24, 2010 by Janet*

**Accounting**

The following data relate to direct labor costs for the current period: Standard costs 6,000 hours at $12.00 Actual costs 7,500 hours at $11.60 What is the direct labor rate variance? Answer A.$15,000 unfavorable B.$3,000 favorable C.$17,400 unfavorable D.$2,400 favorable

*July 23, 2013 by Anonymous*

**calculus 1**

a ladder 20 ft. long rests against a vertical wall.If the bottom of a ladder slides away from the wall at a rate of 4 ft./sec, how fast is the top of the ladder sliding down the wall when the bottom of the ladder is 12 ft. from the wall? x^2 +y^2 = 20^2 x^2 + y^2 = 400 ...

*September 25, 2014 by hasel*

**Math Helpppp**

The College Board, which are administered each year to many thousands of high school students, are scored so as to yield a mean of 550 and a standard deviation of 100. these scores are close to being normally distributed. what percentage of the scores can be expected to ...

*February 23, 2013 by Katy*

**Math Helppp**

The College Board, which are administered each year to many thousands of high school students, are scored so as to yield a mean of 550 and a standard deviation of 100. these scores are close to being normally distributed. what percentage of the scores can be expected to ...

*February 24, 2013 by Taylor*

**college chemistry**

For the equilibrium Br2 + Cl2 goes to 2BrCl at 400 K ,Kc = 7.0. 0.30 of Br2 and 0.30 of Cl2 are introduced into a 1.0 L- container at 400 K.a) What will be the equilibrium concentration of Br2? b) What will be the equilibrium concentration of Cl2 ? c) What will be the ...

*October 7, 2011 by erika*

**accounting**

initial investment in the company of $26,200 cash. Here are the assets and liabilities for the month of June, its first month of operation. Cash $4,600.00 Accounts receivable $4,000.00 Revenue $7,000.00 Supplies $2,400.00 Advertising expense $400.00 Equipment $29,000.00 Notes ...

*September 3, 2010 by Anonymous*

**Pre-Calculus**

The Hotel Ventor has 400 rooms. Currently the hotel is filled. The daily rental is $ 600 per room. For every $6 increase in rent the demand for rooms decreases by 7 rooms. Let x = the number of $ 6 increases that can be made. What should x be so as to maximize the revenue of ...

*October 14, 2013 by Ann*

**Accounting**

Mushroom Company, a retail company, has two departments, "G" and "S". The company's most recent monthly contribution format income statement is presented below. ...................................Total..................................G...............................S Sales...

*June 1, 2015 by kiki*

**statistics**

6. A geography student needs to take three 300- level and three 400- level geography classes next semester in order to graduate. If there are 10 300- level courses being offered and 7 400- level courses being offered, how many different schedules could the student have?

*October 6, 2011 by Mathew*

**operation planning **

A gourmet coffee shop in downtown SF is open 250 days a year and sells an average of 80 pounds of Kona Coffee beans a day. it purchase coffee beans for $20.00 per pound. ordering (fixed cost = $16 per order), beans are always shipped from Hawaii within exactly 2 days. Per-...

*October 30, 2014 by an *

**acct. question**

then the next step for the general journal entry says the same thing which both of these are giveing me a hard time. Purchased land worth $54,000 for an office by paying $5,400 cash and signing a long-term note payable ofr $48, 600. so, would i place the 54,000 under debit ...

*November 13, 2007 by student acc*

**economics**

Assume the graph below represents the market demand for a patented prescription drug together with the firm-level marginal cost and average cost functions for producing the drug. Assume these cost curves do not reflect R&D costs of developing this drug, but only reflect ...

*November 7, 2010 by tweetie*

**economics**

Assume the graph below represents the market demand for a patented prescription drug together with the firm-level marginal cost and average cost functions for producing the drug. Assume these cost curves do not reflect R&D costs of developing this drug, but only reflect ...

*November 7, 2010 by tweetie*

**physics**

You have probably seen films of astronauts floating weightless in orbiting satellites. People often get the idea that the astronauts are weightless because they are so far from the gravity of the earth. Let us see if that explanation is correct. Typically, such satellites ...

*November 8, 2010 by steph*

**Physics**

You have probably seen films of astronauts floating weightless in orbiting satellites. People often get the idea that the astronauts are weightless because they are so far from the gravity of the earth. Let us see if that explanation is correct. Typically, such satellites ...

*November 10, 2010 by Carmen*

**Chemistry**

1)A solution prepared by adding 0.400 mol of acetic acid (pKa = 4.74) and 0.400 mol of sodium acetate to 100.0 mL of water. The pH of this buffer solution is initially 4.74. Predict the final pH when 55.0 mL of 1.10 M NaOH is added to solution 2) A solution prepared by adding ...

*December 1, 2016 by Maya*

**COLLEGE MATH**

What is the PROCUREMENT cost of this system? Cost Types Cost (in millions) Research/Development $400 Procurement of Prime mission $800 Procurement of support equipment $100 Procurement of Initial Spares $100 Operations & and Support $70,000 Disposal $100 ANWERS! (A). 800 ...

*February 16, 2013 by SHAWN*

**College Math**

What is the PROCUREMENT cost of the below system? Cost Types Cost (in millions) Research/Development $400 Procurement of Prime mission $800 Procurement of support equipment $100 Procurement of Initial Spares $100 Operations & and Support $70,000 Disposal $100 ANWERS! (a) 800 ...

*February 15, 2013 by Susan*

**math**

What is the PROCUREMENT cost of this system? Cost Types Cost (in millions) Research/Development $400 Procurement of Prime mission $800 Procurement of support equipment $100 Procurement of Initial Spares $100 Operations & and Support $70,000 Disposal $100 ANWERS! (A). 800 ...

*February 15, 2013 by CHARLES*

**MATH&&HELP**

What is the PROCUREMENT cost of this system? Cost Types Cost (in millions) Research/Development $400 Procurement of Prime mission $800 Procurement of support equipment $100 Procurement of Initial Spares $100 Operations & and Support $70,000 Disposal $100 ANWERS! (A). 800 ...

*February 16, 2013 by CHUCK*

**Business Calculus**

Bill wants to fence in his rectangular garden so his precious produce will be protected. Three sides of the fence will be constructed with wire at $2 per linear foot and the fourth side will be constructed of wood fencing at a cost of 6$ per linear foot.If he has $400 to spend...

*November 2, 2015 by Rae*

**Writing inequalities**

you must have an average score of at least 80 to get a B on your report card. You have scores of 61,70,99, and 70. What is the minimium score you must get on the last test to get a B on your report card? how do you work this problem out? You have four test scores. You need 5 ...

*March 18, 2007 by Anonymous*

**chemistry**

Given: [SO4^2-] in a 0.2M NA2SO4 solution How do I express this in meq/l? There are .2*2 equivalents per liter, so there must be 1000 times that of meq/l. If you want it in grams, that is another conversion. So, the answer would be 400 meq/l. Do you need to do something with ...

*January 21, 2007 by Steve*

**Genetics**

Genes: Brown = B Big eyes = E Small ears = S Frizzy hair = F These 4 phenotypes B, E, S, F are dominant. Recessive alleles = b, e, s, f Assume that all 4 genes are present on the same chromosome and 1) Be/bE and be/be resulted in 400 Be/bE, 300 be/be, 200 bE/be, and 100 Be/be ...

*August 24, 2013 by John*

**physics**

A small block with mass 0.200 kg is released from rest at the top of a frictionless incline. The block travels a distance 0.440 m down the incline in 2.00 s. The 0.200 kg block is replaced by a 0.400 kg block. If the 0.400 kg block is released from rest at the top of the ...

*February 2, 2015 by Dontrielle*

**College Algebra**

A rectangular dog pen is to be made to enclose an area of 144 sq. ft. The pen is to be divided into 2 equal sections by a section of the fence. Assuming a total of 400 sq. feet of fence, find the dimensions of the pen that will require the least amonut of fencing material. Ok ...

*December 3, 2008 by Jenny*

**math**

Suppose you are looking for a job. You interview with a company that has 10 general employees each make $100 per day, 7 assistants each make $400 per day, 3 managers each make $900 per day, and the owner who makes $1900 per day. The interviewer tells you that the average ...

*January 23, 2012 by Anonymous*

**physics**

A disk, with a radius of 0.25 m, is to be rotated like a merry-go-round through 800 rad, starting from rest, gaining angular speed at the constant rate α1 through the first 400 rad and then losing angular speed at the constant rate -α1 until it is again at rest. The ...

*December 5, 2010 by Meghan*

**accounting**

The following cost data relate to the manufacturing activities of Black Company during the just completed year: Manufacturing overhead costs: Property taxes, factory $ 3,000 Utilities, factory 4,800 Indirect labor 9,900 Depreciation, factory 23,900 Insurance, factory 5,800 ...

*September 8, 2012 by sally*

**Math Homework**

The Men's 400 meter race 5th finisher LESLIE DJHONE from France 45.11/ The Women't 400 meter race 5th place finisher was ANASTASIA KAPACHINSKAYA from Russia 50.03. If both of those 5th finishers had completed in the semifinals of the 2013 World Championships with their 2008 ...

*October 23, 2016 by Anonymous*

**math (statistics)**

Suppose you are looking for a job. You interview with a company that has 10 general employees each make $100 per day, 7 assistants each make $400 per day, 3 managers each make $900 per day, and the owner who makes $1900 per day. The interviewer tells you that the average ...

*January 23, 2012 by juan777*

**accounting**

1. Please refer to the worksheet below. Trial Balance Adjustments Adjusted Trial Balance Income Statement Balance Sheet Account Title Dr. Cr. Dr. Cr. Dr. Cr. Dr. Cr. Dr. Cr. Cash $1,700 $1,700 $1,700 Accounts receivable 8,500 $2,000 10,500 10,500 Supplies 100 $80 20 20 ...

*August 15, 2011 by jimmy*

**Chemistry**

1)A solution prepared by adding 0.400 mol of acetic acid (pKa = 4.74) and 0.400 mol of sodium acetate to 100.0 mL of water. The pH of this buffer solution is initially 4.74. Predict the final pH when 55.0 mL of 1.10 M NaOH is added to solution 2) A solution prepared by adding ...

*December 1, 2016 by Maya*

**accounting**

Company reports net income of $ 530,000 for the year ended December 31, 2009. It also reports $ 95,400 depreciation expense and a $ 4,000 gain on the sale of machinery. Its comparative balance sheets reveal a $ 42,400 increase in accounts receivable, $21,730 increase in ...

*October 24, 2011 by Renee*

**Calculus**

A steady wind blows a kite due west. The kite's height above ground from horizontal position x = 0 to x = 80 ft is given by the following. y = 150 - (1/40)(x-50)^2 Find the distance traveled by the kite. y = 150 - (1/40)(x-50)^2 y = 150 - (1/40)(x-50)(x-50) y = 150 - (1/40)x^...

*June 15, 2007 by COFFEE*

**college physics**

An aluminum cup contains 225 g of water and a 40-g copper stirrer, all at 27°C. A 400-g sample of silver at an initial temperature of 87°C is placed in the water. The stirrer is used to stir the mixture gently until it reaches its final equilibrium temperature of 32°C. ...

*December 3, 2012 by cat*

**math**

Two towns P and Q are 400 km apart. A bus left for P and Q. It stopped at Q for one hour and then started the return to P. one hour after the departure of the bus from P, a trail also heading for Q left P. the trailer met the returning bus ¾ of the way from P to Q. they met t...

*March 14, 2015 by kudu*

**math**

Two towns P and Q are 400 km apart. A bus left for P and Q. It stopped at Q for one hour and then started the return to P. one hour after the departure of the bus from P, a trail also heading for Q left P. the trailer met the returning bus ¾ of the way from P to Q. they met t...

*March 15, 2015 by kudu*

**AP World History Please Help Me Mrs.Sue**

Compare the political structure of Hellenistic Greece to that of the Greek world before 400 B.C.E. What was the function of philosophy in Greek culture? What, according to the authors, were the principles of Greek culture? Define a polis. How did the polis change between 800 ...

*June 24, 2011 by Nina*

**MATH**

lWhat is the PROCUREMENT cost of the below systems? Cost Types Cost (in millions) Research/Development $400 Procurement of Prime mission $800 Procurement of support equipment $100 Procurement of Initial Spares $100 Operations & and Support $70,000 Disposal $100 ANWERS! (A). ...

*February 16, 2013 by Willaim*

**Math**

Given the following information: current assets = $400; fixed assets = $500; accounts payable = $100; notes payable = $45; long-term debt = $455; equity = $300; sales = $450; costs = $400; tax rate = 34%. Suppose that current assets, costs, and accounts payable maintain a ...

*October 23, 2014 by Nancy*

**statistics**

Blossom's Flowers purchases roses for sale for Valentine's Day. The roses are purchased for $10 a dozen and are sold for $20 a dozen. Any roses not sold on Valentine's Day can be sold for $5 per dozen. The owner will purchase 1 of 3 amounts of roses for Valentine's Day: 100, ...

*February 8, 2010 by iyra*

**Math**

4 m is < = > than 400 dm

*February 5, 2009 by Grandma*

**Math**

400-50(5+9)

*September 8, 2015 by Hanora*

**college- find domain and range**

y= X^2 + X - 500/10 and y is the number of milliliters of fuel consumed per second and X is the speed of the engine in revolutions per minute. If the engine operates between 100 revolutions per minute and 400 revolutions per minute what is the domain and range Is this correct...

*March 20, 2013 by lucky bee*

**STATS HELP**

Freshman-sophomore retention rate (FSRR) for a college is the proportion of first-year students who return to the college for their sophomore year. Nationwide, the mean FSRR for colleges in the U.S. is 75%. Use the 68-95-99.7 rule to describe graphically the sampling ...

*November 1, 2009 by Chelsea*

**Intermediate Algebra(Math)**

Mixed nuts. Oh Nuts! sells pistachio kernels for $6.50 per pound and almonds for $8.00 per pound. How much of each type should be used to make a 50-lb mixture that sells for $7.40 per pound? So far I have, this: 6.50x + 8 (50 - x) = 7.50 (50) 6.50x + 400 - 8x = 375 -1.50x + ...

*October 6, 2010 by Lyri*

**Accounting**

Sherman's interiors sells lamps. At March 31, the company had 400 sofas in inventory. The company's policy is to maintain a lamp inventory equal to 2% of next month's sales. The company expects the following sales activity for the second quarter of the year: April----- 1,000 ...

*April 6, 2008 by Brian*

**Intermediate Algebra (Math)**

Mixed nuts. Oh Nuts! sells pistachio kernels for $6.50 per pound and almonds for $8.00 per pound. How much of each type should be used to make a 50-lb mixture that sells for $7.40 per pound? So far I have, this: 6.50x + 8 (50 - x) = 7.40 (50) 6.50x + 400 - 8x = 370 -1.50x + ...

*October 6, 2010 by Lyri*

**Aritmetica**

El número de libro de mi biblioteca no es menor que 400 ni mayor que 500, si los agrupan de 4 en 4 sobrarían 2, si los agrupara de 8 en 8 sobrarían 6, si los agrupan de 18 en 18 sobrarían 16, y si los agrupara de 16 en 16 sobrarían 14. ¿Cuántos libros tengo en mi ...

*May 13, 2015 by Vanessa Lozano*

**finance after tax profit margin**

The ABC Corp. had net income before taxes of $400,000 and sales of $2,000,000. If it is in the 50% tax bracket its after-tax profit margin is: A. 5% B. 10% C. 20% D. 25% 400,000 take away 50% for taxes leaves 200,000. 200,000 after-taxes divided 2,000,000 total sales = 10% B ...

*July 25, 2008 by Jason*

** chemistry **

a student was asked to prepare 100.0 mL of 0.0200 M solution of HCL from 0.400 M solution of HCL. in order to do this he measured 5.0 mL of 0.400 M HCL with a graduated cylinder, transfered this amount to a 100 mL beaker, added 95 mL of deionized water measured with a ...

*November 12, 2013 by morgan *

**Math 115 CH 8**

Compare the population per square mile in Asia to the population per square mile in North America for the year 2000. North America : land area 9,400 (1,000 mi squared) population 305,000,000 Do I divide 305,000,000 by 9,400,000? and do the same for Asia?

*December 8, 2008 by Debbie*

**Algebra**

Joshua originalle bought two hundred shares of stock three years ago. The company has since had a 2 for 1 stock split. Joshua's entire investment in stock has increased in value by 20%. He originally paid $8,600 for the stock. What is the current price per share of? The ...

*May 31, 2007 by Sue*

**algebra**

A club currently has 300300 members who pay $ 400$400 per month for membership dues. The club's board members want to increase monthly revenue by lowering the monthly dues in hopes of attracting new members. A market research study has shown that for each $ 1$1 decrease...

*June 22, 2015 by Janice*

**math correction**

is this correct? Marginal Cost of Coffee The manager of a restaurant found that the cost to produce 100 cups of coffee is $11.02, while the cost to produce 400 cups is $40.12. Assume the cost is a linear function of x, the number of cups produced. a. Find a formula for C(x). (...

*May 25, 2007 by mathstudent05*

**Computers**

Can anyone help me solve this : Assume that you have a disc-system with 300 256-byte sectors pr. track and assume that the disc rotates with 800 rpm. How long time does it take to read a sector? The answer should be in microseconds. Search time isnt needed. Solved it myself. ...

*November 24, 2006 by Magnus*

**Calculus**

What's the derivative of y=400(2)^(x+3)

*June 6, 2008 by Sam*

**grade2**

400 divided by 2?

*September 13, 2009 by anna*

**math**

900/400=?

*November 5, 2009 by evan*

**math**

what percent of 400 is 20?

*November 26, 2009 by Anonymous*

**math**

which is greater 4 m or 400 dm

*March 31, 2010 by cassie*

**math**

3.65x10^4 is it 36,400

*July 18, 2010 by julie *

**math**

200% of 7 is 1,400

*September 2, 2010 by AnOnYmOuS1*

**math**

what is 400% and 40% as a decimal???

*April 17, 2011 by Erika*

**business calculus**

X=D(p)=400-p

*November 12, 2012 by Michelle*

**business calculus**

X=D(p)=400-p

*November 12, 2012 by Michelle*

**math**

What is 400=y+260

*April 30, 2013 by lol*

**Math**

2% of what number is 400?

*December 2, 2014 by Amy*

**Math**

2% of what number is 400?

*December 8, 2015 by Amy*

**Algebra**

(60/x)x66=400

*February 11, 2016 by Ben*

**College math**

A rock is thrown from the top of a tower that is 400 feet tall. If its height above the ground can be modeled by h = -16t2 + 64t +400 where h is in feet, and t is in seconds. To the nearest tenth of a second, how long does it take the rock to reach the ground? To the nearest ...

*July 20, 2014 by Michala *

**Trigonometric functions**

1)Which angle is coterminal with a -400 degree angle in standard postion? A)40 B)80 C)320 D)400 I chose A (for the next one I don't know what its called but it looks like 0 with a horizontal line through the middle.) 2)Find the exact value of cos looks like 0 with a horizontal...

*February 10, 2008 by Jon*

**accounting**

Andy Wright, D.D.S., opened a dental practice on January 1, 2008. During the first month of operations the following transactions occurred. Performed services for patients who had dental plan insurance. At January 31, $875 of such services was earned but not yet recorded. ...

*January 30, 2008 by Ben*

**math**

In the 400 meter dash runners stay in their lanes the entire distance around the track. If the runners would all start at the same line (the finish line) only the runner in lane 1 would be running 400 meters. Everyone else would be running a greater distance. To rectify this, ...

*August 1, 2016 by Abbie*

**Accounting**

Please Help!!!! Trying to get a little help on working this accounting problem. Please help... Jawed enterprises uses a job-order costing system and a predetermined overhead rate based on machine hours. At the beginning of the year, the company estimated manufacturing ...

*November 25, 2012 by Lee*

**economics**

6)Assume the graph below represents the market demand for a patented prescription drug together with the firm-level marginal cost and average cost functions for producing the drug. Assume these cost curves do not reflect R&D costs of developing this drug, but only reflect ...

*November 8, 2014 by Anonymous*

**Algebra**

How to solve 16a^2=14,400

*August 26, 2008 by B*

**pre-algebra**

what percent of 400 is 20?

*November 26, 2009 by Nicole*

**math**

what is the squar root of 400

*December 14, 2009 by Terri*