cheryl

A can with the ratio of the height of the radius is 4 to 1. a. express the volume of the can as a function of the radius, r. b. express the volume of the can as a function of the height, h. c. if you want the can to have a volume of 100cm cubed, what does...

18 years ago

i am building a rectangular swimming pool. the pool is to have a surface area of 1000 ft.^2. it also has a uniform walk way of 3 ft. surrinding it. X is the lengh of one side of the pool, and Y is te lengh of the other side. A.) express the area of the pl...

18 years ago

what do i put the viewing window as on my calculator if i have an equation of 2x^2+40000/x is x=0 an allowed value in the domain? So have to make allowances for x near zero. Check the problem: is x cited to have a particular domain? If not, then plot this...

18 years ago

-4(2x-3)=-8x+5 Hi Cheryl! The first thing you have to do with this is multiply the -4 into the stuff in the parenthesis. -4*2x = -8x -4*-3 = +12 So the left side is -8x+12 = -8x +5 Now that I'm this far along, we see that there's no real answer to this. I...

18 years ago

Yuri has a board that is 98 in. long. He wishes to cut the board into two pieces so that one piece will be 10 in. longer than the other. What should the length of each be Let the shorter board's length be x. The other will be x+10. x + x + 10 = 98 2x = 88...

18 years ago

The Randolph’s used 12 more gal of fuel oil in October than in September and twice as much oil in November as in September. If they used 132 gal for 3 months, how much was used during each month? Let the usage in the three months be S, O and N. O = S + 12...

18 years ago

The river rose 4 feet above flood stage last night. If a= the river’s height at flood stage, b= the river’s height now (the morning after), which equations below say the same thing as the statement? Explain your choices by translating the equations into E...

18 years ago

2x+3y=6 (solve for x) 2x+3y=6 Get unknown on one side and everything else on the other side. To do this we ned to move 3y. How to do that? Subtract 3y from both sides. 2x+3y-3y = 6-3y combine terms. 2x = 6-3y Now divide both sides by 2 2x/2 = (6-3y)/2 x=(...

18 years ago

how do I solve this problem for x? 2x/2=6-3y You need to finish the post. What is the question? I solved it for x for you. answered above, also.

18 years ago

how do I solve this problem 2x/2=(6-3y)/2? 2x/2=(6-3y)/2? <b>I solved it for you in my initial answer. The 2 in the numerator cancels with the 2 in the denominator on th left side and x = (6-3y)/2 </b> which is the solution of the initial equation you had...

18 years ago

The length of a rectangular playing field is 5ft. less than twice its width. If the perimeter of the playing field is 230ft, find the lenght and width of the field. 2W+2L= perimeter = 230 L=2W-5 ============ Solve these simultaneous equations. Post your w...

18 years ago

A bicyclist rode into the 5h. In returning, her speed was 5 mi/h faster and the trip took 4h. What was her speed each way? distance =rate*time The distance is the same. y = rate going z = rate returning Going: d = y*t = y*5 = 5y return: d = z*t = z*4 = 4z...

18 years ago

A bus leaves a station at 1 p.m, travling at an average rate of 44 mi/h. One hour later a second bus leaves the same station, travling east at a rate of 48 mi/h. At what time will the two buses be 274mi. apart? Set up two equations as I did in the two pre...

18 years ago

850 douglas fir and ponderosa pine trees in a section of forest bought by a logging company. The company paid an average of $300 for each Douglas fir and $225 for each ponderosa pine. If the company paid $217,500 for the trees, how many of each kind did t...

18 years ago

2x(x-2)=x+3 2x-2=x+3 What error has been made in solving this equation, and what could be done to aviod this error? The 2x was NOT multiplied by the contents of the parenthsis. Should have been 2x² - 4x

18 years ago

400 people found that 66 were left-handed. What percent of the 400 were left-handed? percent= 66/400 * 100

18 years ago

If the total bill at a restaurant, including a 15% tip, is $65.32, what was the cost of the meal alone? 1.15 X = $65.32 I am assuming that you can solve this equation for X (the cost of the meal alone). If you cannot, respond to this post with more questi...

18 years ago

Ted must have an average of 70 or more in his summer course to obtain a grade of C. His first three test grades were 75, 63,and 68. Write an inequality representing the score that Ted must get on the last test to get a C grade. Let X be the grade on the n...

18 years ago

The cost of a long-distance telephone call is $.36 for the first minute and $.21 for each additional minute or portion thereof. Write an inequality representing the number of minutes a person could talk without exceeding $3. cost= .36 + .21(m-1) then put...

18 years ago

In your opinion, how is the order operation used to solve equation. exponets, groups, multiplication, division, addition, subtraction. This allowes you to get the same result every time..... I hope this helps :) I searched Google under the key words "<I>m...

18 years ago

two consecutive integers such that the sum of 3 times the frist integer and 6 times second integer is 24. Expalin the variables that you used. If I could get help in solving this ASAP, I wiould really appreicate it? Let the two consecutive integers be x a...

18 years ago

In the role of religion in the U.S, how does it compares to Egypt's religion, and how is they different? Thank you for using the Jiskha Homework Help Forum. Here is some help on religion in Egypt: http://en.wikipedia.org/wiki/Religion_in_Egypt Egypt has a...

18 years ago

M varies directly with n; m=144 when n=8. What is the constant of variation k? I don't know what this mean. Could you help me out in solving this/ A statement such as "M varies directly with n" can be changed to the equation M=kn, where k is a constant. s...

18 years ago

The cost of producing a number of items x is given by C=mx+b, inwhich b is the fixed cost and m is the variable cost (the cost of producing one more item). (a) If the fixed cost is $40 and the variable cost is $10, write the cost equation. Could someone h...

18 years ago

Characterize the united states culture according to the five categories of value orientation theory:man-nature,activity, time,human nature, relational. What is your view on Us culture. I am reading a book about the US cultures. I just wanted to hear or re...

18 years ago

Is this how you say to spend more time? Passer plus de temps?

17 years ago

Canceled or cancelled? with one L or two L's?

17 years ago

What was the moving of Africans to the New World colonies to be used as slaves?

16 years ago

Richard Wagner's major work is a four-opera cycle called

16 years ago

Richard Wagner's major work is a four-opera cycle called A. Carmen. B. The Barber of Seville. C. The Ring of the Nibelung. D. Siegfried.

16 years ago

Many composers of the Impressionist era wrote harmonies consisting of chords that moved in _______ motion. A. reverse B. indirect C. parallel D. convex 4. Who was the virtuoso violinist that had a profound influence on Franz Liszt? A. Giuseppe Verdi B. Fr...

16 years ago

When the cell is not dividing dna is uncoiled into what

16 years ago

ellen was referred to the clinic shortly after her fake miscarriage who was employed as an admin assist. with mr johnson whom she had an affair with for 2 years and mr johnson was unwilling to divorce his wife because of his children. what issues do you t...

16 years ago

Use the mole ratio of CuO produced per mole of malachite to write a balanced equation for the malachite decomposition reaction. Assume that CO2 is also a product of the decomposition.

16 years ago

The postoperative death rates are calculated by patients who have expired in what period of time?

15 years ago

Please help in solving this problem using the method of substitution -2/3x + Y= 2 2x -3y =6 thanks for your time.

15 years ago

1. CheckPoint: Interfaces and Communication Messages Understanding object-oriented methodologies is often difficult. You already understand that object-oriented analysis and design emulates the way human beings tend to think and conceptualize problems in...

15 years ago

how high must a 2 kg basketball be thrown so that the top of its arc, it has a potential energy of 160J?

15 years ago

whats five times a number squared?

15 years ago

what is the difference between a solution set and a replacement set

14 years ago

my granddaughter is in the 3rd grade and she needs help in reading

14 years ago

she is having problem with comprehension and I do help her a lot but she is still having problems with it ,on every fri, her teacher gives the class a reading test to prepare them for the fcat test . they are practices ,but they also count on her grade

14 years ago

I need two paragraph about how interest rates affect our purchasing decision. identify the topic sentence in each by underlining it.

14 years ago

V P3-10. Calculating Present Value of a Savings Fund. (Obj. 5) Hal Thomas wants to establish a savings fund from which a community organization could draw $850 a year for 45 years. If the account earns 6 percent, Hal will have to deposit $ now to achieve...

14 years ago

find two numbers whose product is N^2 and whose sum is a minimum

14 years ago

rewrite with positive exponents.Assume that even roots of nonnegative qauntities and that all denoinators are nonzero (3/ua^2)^-4

14 years ago

Which of the following is true for the gas phase reaction shown below? 4NH3(g) + 5O2(g) ¨ 4NO(g) + 6H2O(g), ƒ¢H = -0.905 kJ

14 years ago

If a high schol base ball player average pitching speed is 50 ft. in .63 sec. and the average pitch drops 9 mph over 10 ft. What is the player's pitching speed in 50 ft. equivalence(rounded to the tenth).

14 years ago

how are E and V codes used in an inpatient and outpatient setting

14 years ago

what is the graph points of (1, -3),m=-5/4 in slope-intercept form

14 years ago

a room is 18ft long, 15ft wide and from floor to ceiling is 8ft6inches. what is the rooms volume in cubic meters? i have 6.498716 is this correct? what is the mass of air in the room in kilograms assuming the density of the air is 1.2g/l and the room is e...

14 years ago

can someone please show me the steps of setting up the emirical formula for NaN3

14 years ago

what volume of 0.955 M HCl, in milliliters, is required to titrate 2.152g of Na2CO3 to the equivalent point? Na2CO3(aq) + 2HCl(aq) 2NaCl(aq) + CO2(g) + H2O(1) can this please be explained in simple step by steps? i am sick and i am having trouble understa...

14 years ago

the balanced equation for the reduction of iron ore to the metal using CO is Fe2O3+3CO(g) -> 2Fe+3CO so what is the maximum of iron in grams that can bbe obtained from 454g (1.00 lb) of iron (III) oxide? AND what mass of CO is required to react with the 4...

14 years ago

sodium sulfide, Na2S, is used in the leather industry to remove hair from hides. The Na2SO4 + 4C -> Na2S +4CO(g) so suppose you mix 15(g) of Na2SO4 and 7.5g of C. which is the limiting reactant AND what is mass of Na2S that is produced?

14 years ago

ok my professor lost me when explaining this material so please bare with me and help me step by step one of the questions is: after absorbing 1850J of energy as heat, the temperature of a .500-kg block of copper is 37C what was its initial temperature (t...

14 years ago

Explain the purpose of AACR2 and Dublin Core Element Set then describe and discuss two significant similarities and two significant differences between them.

13 years ago

A certain radioactive substance has a half-life of 1 hour. If you start with 1 gram of the material at noon, how much will be left at 3:00 P.M.? At 6:00 P.M.? At 10:00 P.M.?

13 years ago

2. Punkey Electronics, a small manufacturer of electronic research equipment, has approximately 7,000 items in its inventory. They just hired Joe Detail to manage the inventory. Joe has determined that 10% of the items in inventory are A items, 35% are B...

13 years ago

Pure Plastics Inc. manufacture molded plastic pieces. A sample of their raw material inventory is shown in the table below: Item Average Inventory (units) Value ($/unit) 128 400 3.75 234 300 4.00 233 120 2.50 236 75 1.50 239 60 1.75 240 30 2.00 678 20 1.1...

13 years ago

Suppose that there are 10 million workers in Canada and South Korea and each worker in Canada and South Korea can produce 4 cars per year. A Canadian worker can produce 10 tonnes of grain a year, whereas a South Korean worker can produce 5 tonnes of grain...

13 years ago

8-5x<2x-20

13 years ago

what is the concentration of a sugar solution that contains 8 g sugar dissolved in 500 ml of water? explain in ration form

13 years ago

what is the concentration of a sugar solution that contains 8g sugar dissolved in 500 ml water? answer in the form of a ratio

13 years ago

A 975-kg car accelerates. The magnitude of the average net force acting on the car is 3478 N, what is the acceleration of the car?

13 years ago

Julie carries an 8.0-kg suitcase as she walks 18 m along an inclined walkway to her hotel room at a constant speed of 1.5 m/s. The walkway is inclined 15 degrees above the horizontal. How much work does Julie do in carrying her suitcase?

13 years ago

how to draw a delivery device for golf balls

13 years ago

If 48.3 g of an unknown gas occupies 10.0 L at 40 degrees celsius and 3.10 atm, what is the molar mass of the gas?

13 years ago

need examples of solutions and suspensions

13 years ago

what is 4.2% of $24,000?

13 years ago

A company installs different POS computer systems. POS system A requires two hours to configure and one hour for assemble. POS B requires three hours to configure and one hour to assemble. POS C requires two hours to configure and two hours to assemble. T...

13 years ago

for the previous ? it as to be set up in five steps I just can't figure out how to set it up to get the answers

13 years ago

when the beaker of water is heated what will happen to the level of water in the tube. this thermometer would be no use to measure the temperature in the freezer.write 2 sentences to explain why

12 years ago

Crowns issed 40,000 shares of $5 par value common stock for $14 per share. Prepare journal entries using a chart of acct.

12 years ago

Calculate the percentage return on the security if the payoff to the security in one year is $1,000, ... security in one year is $1,000, $1,500, $2,000, or $2,500.

12 years ago

A nitric acid solution containing 71.0% by mass of the acid has a density of 1.42g/ml how many grams of nitric acid are present in 1.0L of this solution

12 years ago

how to solve this question? to print 6000 post cards suppose it costs 2 cents to print a large postcard and 1 cent to print a small postcard. If $97 dolllars is allocated for printing the postcards how many of each type can be printed

12 years ago

I don't know how to write these 2 sentences. One number is twice another number. Twice the lesser number increased by three times the greater number is 75

9 years ago

If nuts are $6lb how much 1 3/4

9 years ago

adult tickets for a play cost $5.50 and a child ticket cost $3.50. They sold 550 tickets and collected $2139.00. How many adult tickets sold

9 years ago

a theater sold 404 tickets for a total of $1708. Children tickets are $3.50 and adult tickets are $5.50. How many adult tickets were sold

9 years ago

find the radius of the circle whose sector area is 426 sq.cm. and central angle 24

9 years ago

If your annual income is $50,000 and your income share is 15%, how much is your monthly payment amount? (Feel free to use a calculator, if needed.)

5 years ago

2. Silver nitrate reacts with copper to form copper (II) nitrate and silver.

3 years ago

The police officer checked her rear-view mirror when she heard the screeching tires. (Someone had rear-ended her the night before).

17 years ago

Hello I need to check my grammar, nouns, verbs, ect. Reflection Paper The book as well as the CD has been enjoyable for me. I have used both within my classes. Students had to listen to the beats and the rhythm of the music being played. Once they heard i...

17 years ago

27

17 years ago

suppose that the height of an object shot straight up is given by h=544t -16t^2. h= feet and t= seconds Find the maximum height and the time at which the object hits the ground

15 years ago

Will you please answer the following questions about your company products advertised in the October 2011 Dwell magazine? We are interested in ordering some of your snack products . 1. If we finally make a deal is it possible to start importing your produ...

13 years ago

I still don't get it

13 years ago

2x3=6

13 years ago

65.6

13 years ago

65.6

13 years ago

sorry I thought that it said four sheets

13 years ago

no the answer is 17.75

13 years ago

The area of a square garden is 324 square yards find the amount of material needed to fence the garden

11 years ago

in regards to Health Care Bargaining and the PPACA

8 years ago

I would open my eyes first...

6 years ago