Questions Asked on
March 20, 2012

AP CHEMISTRY
Consider the reaction. PbCO3(s) PbO(s) + CO2(g). calculate the equilibrium pressure of CO2 in the system at the following temperatures.(IN atm) (a) 270°C (b) 480°C ..... delta Hf(KJ/mol).. d.Gf(KJ/mol).. S(J/molK) PbCO3(s)..699.1 .. 625.5 .. 131.0
asked by DAN 
Statistics
The home states of a certain group of people are distributed as follows: 53 percent are from MISSOURI, 21 percent are from KANSAS, and 26 percent are from IOWA. (No one in the group had a home state other than one of these three.) (Note: Your answer to the
asked by Lucy King 
Geometry
determine the radius of a circle if a 24 inch chord is 9 inches from the center
asked by carey 
Calculus
A cardboard box of 32in^3 volume with a square base and open top is to be constructed. What is the length of base that will minimize the surface area?
asked by ASAP 
math
I really need help please Your primary job’s gross income is $3,500.00/month, and your second job’s realized income is $368.49/month. Deductions are FICA (7.65%), federal tax withholding (10.75%), and state tax withholding (8.35%). How much is the
asked by Cindy 
Statistics
Suppose that the travel time from your home to your office is normally distributed with a mean of 40 minutes and standard deviation of 7 minutes. If you want to be 95% certain that you will not be late for an office appointment at 1:00pm, what is the
asked by Brad 
statistics
The scores on a national achievement test are normally distributed with a mean of 50 and a standard deviation of 10. Out of a group of 200 students, how many would you expect to score more than 70?
asked by Anonymous 
geometry
What's the next number 360, 180, 60, 15...?
asked by julie 
chemistry
A vitamin C tablet containing 250 mg of ascorbic acid (C6H7O6; Ka = 8.0 x 105 is dissolved in a 250 mL glass of water. What is the pH of the solution? i tried answering this question multiple times but i still get it wrong.... can someone help?
asked by Finding the pH of a weak acid? 
Converting Polar Equations to Cartesian Equations
If theta= pi/3 , then to convert to a Cartesian equation, let x = A.(1/2)r B.(square root of2/2)r C.(square root of 3/2)r
asked by Adrianna 
c++ programming
Write a program that determines the day number (1 to 366) in a year for a date that is provided as input data. As an example, January 1, 2011 is day 1. December 31, 2010 is a day 365. December 31, 2012 is day 366, since 2012 is a leap year. A year is a
asked by hafsa 
geometry
The diameter of clock's face is 6 inches. Find the length of the minor arc formed by the hands of the clock at 4:00.
asked by carey 
Converting Cartesian Equations to Polar Equations
Convert the Cartesian equation x^2  y^2 = 16 to a polar equation. r² = 16/cos2è r = 4 r² = 8 help please im stuck between 2 answers.
asked by Adrianna 
Geometry ONE MULTIPLE CHOICE QUESTION PLEASE HELP!
The vertices of a triangle are P(–4, 1), Q(–2, –8), and R(8, –1). Name the vertices of the image reflected across the xaxis. P'(–4, –1), Q'(–2, 8), R' (8, 1) P'(4, –1), Q'(2, 8), R'(–8, 1) P'(4, 1), Q'(2, 8), R'(–8, –1) P'(–4, 1),
asked by Katie 
Chemistry
How much heat is required to warm 1.50 kg of sand from 20.0 C to 100.0 C?
asked by Derek 
Quail valley
A soccer ball is kicked upward from the ground with an initial vertical velocity of 3.6 meters per second. After how many seconds does it land?
asked by Michael Alvarez 
Chemistry
What is the equilibrium equations that result when solid NH4F is dissolved in sufficient water to produce 5.0 mL of 0.5M NH4F solution? How would the addition of 5 drops of 0.1M HCl affect the equilibrium system. Give an explanation. How would the addition
asked by Megan 
Math
The McKeegan Corporation has two different bonds currently outstanding. Bond M has a face value of $29,500 and matures in 24 years. The bond makes no payments for the first 7 years, then pays $2,100 every six months over the subsequent 10 years, and
asked by Mary 
Economics
The spirit of equating marginal cost with marginal revenue is not held by a.perfectly competitive firms. b.oligopolistic firms. c.perfectly competitive firms and oligopolistic firms. d.none of the statements associated with this question are correct.
asked by Chris 
math
there are 6 brownies on a plate. Four people share them equally. How many brownies does each person get? show your solution
asked by veil 
Physical Science
Two identical beakers are both half filled with a liquid. Beaker A contains water and Beaker B contains a liquid that is denser than water. Which of the following is FALSE? a. The pressure at the bottom of Beaker B is greater than that at the bottom of
asked by Ariel 
Economics
Suppose you are the marketing manager for the Fruit of the Loom. An individuals' inverse demand for Fruit of the Loom women's underwear is estimated to be P = 25  3Q (in cents). If cost to Fruit of the Loom to producing women's underwear is C(Q) = 1 + 4Q
asked by Steve 
Economics
Two identical firms compete as a Cournot duopoly. The demand they face is P = 100  2Q. The cost function for each firm is C(Q) = 4Q. The equilibrium output of each firm is: A. 8 B. 16 C. 32 D. 36
asked by Chris 
research in CriminalJustice
The five year survival rate for Caucasians for all forms of cancer increased from 39% in the 1960's to 57% now. Express the change in two ways: (1) as an absolute difference in terms of percentage and (2) as a relative difference in terms of percent.
asked by Anonymous 
Mangerial Economics
Consider a Cournot duopoly with the following inverse demand function: P = 50  0.2Q1  0.2Q2. The firms' marginal cost are identical and given by MCi(Qi) = 2. Based on this information firm 1 and 2's reaction functions are A) r1(Q2) = 4.8  0.5Q1 and
asked by Chris 
Economics
The price elasticity of demand for senior citizens purchasing coffee from McDonald's is 5 while non senior citizens have a price elasticity of demand equal to 1.25. If is cost McDonald's $0.02 to produce a coffee, the optimal price for a cup of coffee
asked by Ronald 
english
the textbook stresses that your writing___that is, you must have "a goal of demonstrating the truth of your conclusions and clarifying and illuminating your idea about the topic and also about the work."
asked by Anonymous 
Physical Science
During a storm, the wind exerts a 150N force on a window that measures 1.00 m by 0.50 m. The outside air pressure is 101 kPa. What pressure, in pascals, does the wind exert on the window? a. 75 Pa b. 150 Pa c. 1.5 x 10^3 Pa d. 3.0 x 10^2 Pa e. 3.0 x 10^5
asked by Ariel 
math
Your fixed expenses are $1,035.65/month and are 36% of your realized income. Use proportions to compute the realized income on your budget. I am lost please help
asked by Cindy 
Earth Science
Two locations, one in northern canada and one in the southwestern United states, recive the same amount of precipitation each year. The location in canada is classified as a humid climate. Why would the location in the United states be classified as an
asked by Unknown 
Economics
The market demand in a Bertrand duopoly is P = 15  4Q, and the marginal costs are $3. Fixed costs are zero for both firms. Which of the following statement(s) is/are true? a.P = $3. b.P = $10. c.P = $15. d.None of the statements associated with this
asked by Steven 
3 grade math ms sue
which is the better unit to use to measure the capacity of a bathtub: milliters or liters? explain your choice. a liter is equal to 100 centiliters. is a centiliter a greater measure than a milliter? expalin
asked by dw 
Chemistry
What volume will be required to contain a mixture of 0.547 mol of N2 and 0.547 mol of O2 at 1.11 atm and 22.1 degrees celsius?
asked by Harry 
Chemistry(Please check)
For an experiment we had to test the equilibrium of BiCl3  BiOCl First I had to mix a small amount of BiCl3 with 2mL of water. After doing this the color was cloudy white. Then I added6.0M of HCl dropwise in which the color became clear. Then 25mL was
asked by Hannah 
Chemistry
The following reaction was studied at −10°C. 2 NO(g) + Cl2(g) → 2 NOCl(g) The following results were obtained where the rate of the reaction is given below. [NO]o [Cl2]o INITIAL RATE 0.10 0.10 0.18 0.10 0.20 0.36 0.20 0.20 1.45 What is the rate law?
asked by Kaleen 
chemistry
A gas is compressed from an initial volume of 5.60 L to a final volume of 1.22 L by an external pressure of 1.00 atm. During the compression the gas releases 128 J of heat. What is the change in internal energy of the gas?
asked by jesse 
chemistry
given; how many grams of fe2o3 can be converted to fe3o4 by 14 grams of co?
asked by Anonymous 
MATH
FIND THE RECTANGULAR PRISM. BASE AREA 56 IN 2 [SQUARED], HEIGHT 6IN. HELP!
asked by TONYA 
Math
3logX  log6 + log2.4 = 9
asked by Anonymous 
physics
An object is located 30 cm to the left of a converging lens whose focal length is 50 cm. (a) Draw a ray diagram to scale and from it determine the image distance and the magnification. (b) Use the thin lens and magnification equations to verify your answer
asked by Daniel 
Chemistry
Uranium238 has half life of 4.51 * 10^9 years Uranium234 has half life of 2.48 * 10^5 years Thorium230 has half life of 8.0 * 10^4 years Radium226 has half life of 1.62 * 10^3 years Lead210 has half life of 20.4 years. The rate constant for the decay
asked by Harry 
Chemistry
Calculate DeltaHrxn for the following reaction: C + H2O > CO + H2 Use the following: C + O2 > CO2 DeltaH = 393.5 kJ 2CO + O2 > 2CO2 DeltaH = 566.0 kJ 2H2 + O2 > 2H2O Delta H = 483.6 kJ DeltaHrxn = ?
asked by Chemistry 
Economics
A local video store estimates their average customer's demand per year is Q = 7  2P, and knows the marginal cost of each rental is $0.5. How much should the store charge for each rental if it engages in optimal twopart pricing? Answer A. $0.35 B. $0.5.
asked by Ronald 
3 grade english ms sue
fact and opinion a fact tells something that can be proved true or false. an opinion tells someones ideas or feelings.words that telll fellings, such as should or best, are clues to opinions. yu can ask an expert or use reference book to check whether a
asked by dw 
physics
An object place 5cm in front of a converging lens of focal lenght 10cm produces a magnified image 8cm.find the size and the position of the image
asked by Abdulrazaq 
chemistry
A sample of unknown gas weighs 2.96 g and occupies 750. mL at 760. mmHg and 100.°C. What is the molar mass of the unknown gas?
asked by bobby 
calculus
Given f'(x)=3cosx10sinx and f(0)= 6 Find f(x)
asked by blake 
Chemistry
What is the solubility in grams per liter of SrSO4, in 0.23 M Na2SO4? Ksp for SrSO4 = 2.5E7
asked by S 
business
On December 31 of last year, Wolfson Corporation had in inventory 400 units of its products, which cost $21 per unit to produce. During January, the company produced 800 units at a cost of $24 per unit. Assuming that Wolfson Corporation sold 700 units in
asked by Andrea 
Math
alberto has 12 quarters, 10 dimes, 10 nickels, and 20 pennies. How many different combinations of coins can he make to have $2?
asked by John 
Calculus and vectors
Bob can swim at a rate of 5km/h. He is in a river that is flowing at a rate of 9 km/h. a) if bob swims upstream, what is his relative velocity to the ground? b)if bob swims downstream, what is his relative velocity to the ground? c) Someone decides to help
asked by Jake 
Reading
Dear Editor, 1 In your recent article "Just a Play Day," you argue that playing video games is a waste of time. You also descrive videogame players as lazy young people who loaf for hours in front of a screen. I respectfully disagree with your opinions. I
asked by running.from.myself 
Math
The Surface Area of a Square Pyramid is 112 sq. ft. If the Length of Each Edge of the Base is 8 ft, what is the Height of each Triangular Face?
asked by Deshana 
Chemistry
what is the solubility in mol/L of insoluble Ca3(PO4)2 (Ksp=1.00x10^26)in a solution containing .00100 M Na3PO4? a. 2.15x10^7 b. 7.18x10^8 c. 7.18x10^9 d. 1.00x10^23 e. answer not given
asked by alex 
Economics
A monopoly produces widgets at a marginal cost of $8 per unit and zero fixed costs. It faces an inverse demand function given by P = 38  Q. Suppose fixed costs rise to $200. What will happen in the market? A.The firm will decrease its output and lower its
asked by Steve 
Science
1. A 25.00 sample of 0.723M HClO4 is titrated with a 0.273M KOH solution. The H3O+ concentration after the addition of 10.0mL is___M. 2. Determine the pH of a 0.188M NH3 solution of at 25 degrees C. The Kb of NH3 is 1.76x105.
asked by Shayla 
chemistry
Mg(OH)2 + 2HCl = MgCl2 + 2H2O if 33.5g of Mg(OH)2 react, what mass of H2O could be produced
asked by kae 
Managerial Economics
The demand for health club services is Q = 350 − 2P and the marginal cost of providing these services is MC = 110 + 2Q. If a twopart tariff pricing system is used, what is the optimal price and quantity combination? a.P = 52 and Q = 240 b.P = 199 and Q
asked by Ronald 
math
THE VOLUME OF A RECTANGULAR PRISM IS 140 CUBIC FT. THE LENGTH OF THE BASE IS 7FT AND THE WIDTH OF THE BASE IS 4FT. WHAT IS THE HEIGHT OF THE PRISM?
asked by ely 
math
The perimeter of a rectangular pool is 84 feet. The width of the pool is half the length. What are the measurements of the rectangular pool?
asked by ali 
math
explain how you could use grid paper to draw a rectangle with a perimeter of 18 units
asked by maya 
Economics
Suppose a manager is interested in implementing thirddegree price discrimination. The manager knows that the price elasticity of demand for Group 1 is 2 and the price elasticity of demand for Group 2 is 1.2. Based on this information alone we can
asked by Carol 
Math
The illumination produced by a light source is inversely proportional to the square of the distance to the source. If a light source 5m from an object illuminates with 70 candela, what illumination would be produce if the object were mover to 12 m away?
asked by Hi 
c++ programming
Solve the following problem. Apply all the steps i.e decomposition, Flowcharting and Pseudo code. Also write C++ program. Design and Write an interactive program that computes the salary in Rupees of a parttime employee based on:  Number of days worked.
asked by hafsa 
Reading
Dear Editor, 1 In your recent article "Just a Play Day," you argue that playing video games is a waste of time. You also descrive videogame players as lazy young people who loaf for hours in front of a screen. I respectfully disagree with your opinions. I
asked by running.from.myself 
Chemistry
Consider the reaction of magnesium metal with hydochloric acid to produce magnesium chloride and hydrogen gas. If 3.85 mol Mg and 3.85 mol of HCl are reacted, how many mol of oxygen are left over? I balanced the equation and got Mg(OH)2+2HCl=MgCl2+2H2O.
asked by Jessica 
Chemistry
Which of the following gases occupy the smallest volume at STP? a) 1.000 mol carbon dioxide b) 4.032 g H2 c) 35.45 g Cl2 d) 6.022 x 10^23 molecules of O2
asked by Renee 
math
find the median 44,68,48,61,59,48,63,49
asked by tdog 
business
At the end of January, Mineral Labs had inventory of 725 units, which cost $10 per unit to produce. During February the company produced 650 units at a cost of $14 per unit. If the firm sold 1,000 units in February, what was the cost of goods sold? a.
asked by Andrea 
Economics
Two firms compete as a Stackelberg duopoly. The inverse market demand they face is P = 62  4.5Q. The cost function for each firm is C(Q) = 8Q. The outputs of the two firms are: A. QL = 48; QF = 24. B. QL = 35; QF = 6. C. QL = 6; QF = 3. D. None of the
asked by Ronald 
Chemistry(Please respond, thank you)
For an experiment I had to add 1 drop of 1.0M HCl into a test tube that had 2.5mL of 0.10M Na2CrO4 and record the color. The original color of the Na2CrO4 was yellow. After adding the HCl the color became a very dark yellow. I know that the equilibrium
asked by Hannah 
science
You are confronted with the following question: One mole of an ideal gas is sealed in a 22.4 container at a pressure of 1 and a temperature of 273 . The temperature is then increased to 305 , but the container does not expand. What will the new pressure
asked by Anonymous 
physics
You have a parallel plate capacitor (with air between its plates) which is attached to a voltage source until the capacitor is fully charged. (a)After detaching the capcitor from the voltage source, you move the capacitor's plates farther apart; which of
asked by Rebecca 
chemistry
Calculate the pH of a 0.87 M NaCN solution. Solve it exactly (no assume x=0.1)
asked by Justin 
physics
Two objects of equal mass are on a turning wheel. Mass 1 is located at the rim of the wheel while mass 2 is located halfway between the rim and the axis of rotation. The wheel is rotating with a nonzero angular acceleration. For each of the following
asked by Miriam 
Math
Each cube below is made up of smaller cubes, but the large cubes are not solid. They had tunnels through them. • The first cube originally had 27 small cubes, but the tunnel removed 3 cubes. • The second cube originally had 64 small cubes, but two
asked by Neil 
Physics
A 41g bullet is traveling at 499m/s when it strikes a block of wood. If the block of wood exerts a force of 50,000 N opposing the motion of the bullet, how far will the bullet penetrate the block of wood?
asked by Laurel 
science
if the density of octane is 0.703 g/mol, how many gras of carbon dioxide are produced in the combustion of 40L of octane??
asked by brenton 
Physics
On a banked race track, the smallest circular path on which cars can move has a radius of 113 m, while the largest has a radius of 164 m, as the drawing illustrates. The height of the outer wall is 17.4 m. Find (a) the smallest and (b) the largest speed at
asked by Anonymous 
chemisrty
The molar heat capacity of silver is 25.35j/mol C . How much energy would it take to raise the temperature of 9.30 grams of silver by 12.0 C?
asked by help 
Chemistry
The number of moles of hydrogen gas present in a 1,500 mL container at 298 K and 2.0 atm pressure is?
asked by Renee 
Chemistry
What is the balanced equation for the reaction of acetylsalicylic acid and sodium hydroxide?
asked by Ella 
chemistry
the components in the following glycerolphospholipid are: O  CH2OC(CH2)14CH3  O   CHOC(CH2)14CH3  O   + CH2OPOCH2CH2NH3
asked by Sara 
algebra
The period of a pendulum is the time it takes to swing from left to right and back again. The period T seconds, of a pendulum is directly proportional to the square root of its length, Lcm. When L=25, T=1 Find a formula for T in terms of L.
asked by beth 
Physics
1.Can an object reverse its direction of travel while maintaining a constant acceleration? If so, give an example. If not, explain why not. 2. If you were standing in a bus moving at constant velocity, would you have to lean in some special way to
asked by Anonymous 
math
Phillip made fudge that filled a 20cm by 21cm by 3cm pan. a)what is the volume of the fudge? b)there are 30 bpeople in the class how much fudge will each person get? c)How should the fudge be cut so that each person gets the same sized peice? d)what are
asked by Anonymous 
tax
On May 26, 2007, Jamal purchased machinery for $30,000 to be used in his business. He did not elect to expense the equipment under §179 or the bonus. On October 10, 2011, he sells the machinery to a scrap metal dealer. What is his cost recovery deduction
asked by Andy 
NEED MAJOR HELP! *QUADRATIC EQUATIONS*
Write the equation for the circle with center at ( 8,  6) and radius of 10. (x+8)² + (y + 6)² = 10 (x+8)² + (y + 6)² = 100 (x8)² + (y  6)² = 100 Find the standard equation for the circle with center on the positive xaxis and passing through the
asked by Adrianna 
geometry
a ladder is 53 inches. how tall is it in feet and inches
asked by melissa 
math
a boat travel for 4hr from pole a to pole b.then it travel for 3hr from pole b back to pole a.the distance between the two poles was 40km a.find the total time taken for the whole journey b.find the average speed for the whole journey
asked by Da S 
math
Tema Oil Refinery ( TOR ) is the only company mandated to refine crude oil in Ghana. The company has estimated that the fixed cost would be $ 80000. Variable costs depends on the amount of crude oil refined but include the cost of labour and administrative
asked by Ayensu 
math
input:1 output:4 input:2 output:7 input:3 output:10 input:4 output:13 What is the rule?
asked by Karinna 
tax
In order for an employee to deduct home office expenses, which of the following must occur? a. There must be no other fixed business location. b. The taxpayer's most important activities must occur in the home. c. The home office must be for the
asked by Andy 
tax
Marion drives 20 miles a day from his first job to his second job. He worked 125 days during 2011 on both jobs. What is Marion's mileage deduction rounded to the nearest dollar assuming he uses the standard mileage rate and mileage is incurred ratably
asked by Andy 
statistics
The average score on a science test was 72 with a standard deviation of 6. The average score on a history test was 89 with a standard deviation of 7. Compare the variability of the two classes.
asked by Hannah 
math
if the height is 3cm and the base of the area is 4cm 2 what is the volume? and is the lil 3 the sign for volume?
asked by Anonymous 
statistics
The distribution of scores is normal with a ì = 100 and ó =15. What proportion of the population have scores A) Above 130? B) Below 90? C) Above 110?
asked by chante 
English
I left out these other two sentences. Thank you very much. I need to fix sentence 2 using linkers. 1) From the ship Robinson takes paper, ink and a pen, which he uses to write a diary necessary for Robinson to mantain an ideal contact with his motherland.
asked by Matthew 
math
What can you interpret from the scatter plot above?
asked by sthefani 
Physics
On a banked race track, the smallest circular path on which cars can move has a radius of 113 m, while the largest has a radius of 164 m, as the drawing illustrates. The height of the outer wall is 17.4 m. Find (a) the smallest and (b) the largest speed at
asked by Anonymous 
math
there are 20 cars and 36 trucks in a parking lot what ratio accurately compares the number of trucks to cars
asked by ruben 
Economics
If a firm supplies separable markets with price elasticities h1 = 3 and h2 = 2, it should set prices P1 and P2 so that: a.2/3P1 = 1/2P2 b.3P1 = 2P2 c.2P1 = 3P2 d.P1 = P2 e.2P1 = 2/3P2
asked by Carol 
math
Find the dimensions of a rectangle with perimeter 40 with the largest area. (hint: Find an equation for area and one for perimeter, use both to find perimeter in terms of one variable)
asked by Jordan 
Geometry
I am leaning a ladder against a wall. The ladder is 18 ft long, and I place the bottem of the ladder away from the wall, forming a 48° angle. How far away is the bottem of the ladder from the wall?
asked by Anonymous 
History
￼￼￼￼All of the following statements about Jaoan in the last year of the war are true except: A. Japanese retreated from Okinawa B. Fire bombs crippled Japanese economy and war production C.Japanese treated Postdam Decleration with disintrest. I
asked by Mary 
chemistry
If 73.5 g of liquid Br2 and 330 mL of 1.18 M aqueous NaI are reacted stoichiometrically according to the balanced equation, how many grams of liquid Br2 remain? Round your answer to 3 significant figures. 2NaI(aq) + Br2(l) → 2NaBr(aq) + I2(s)
asked by jasmine 
Math
The table shows the number of lemons needed to make different numbers of pitchers of lemonade 24lemons 3pitchers 32lemons 4pitchers 56lemons 7 pitchers 96lemons 12pitchers What is the relationship between the number of pitchers and the number of lemons?
asked by Derrick 
statistics
Bill spends an average of 5 minutes each day waiting in lines. If Bill is typical of the 290 million people in the United States, which of the following expresses the approximate combined amount of time these people spend annually waiting in line? A. 1.45
asked by millli 
science
what is the difference between convection and conduction and what are their defemitions ...studying for test but i don't know what they are:)
asked by Anonymous 
math
it took a ball 1 minute to roll 90 feet. What was the ball's average rate of speed, in inches per second?
asked by Anonymous 
AP History
What was the impact of Eli Whitney's interchangeable parts concept and what impact did Eli Whitney's cotton gin have? Why was the cotton gin so important?
asked by angel 
math
how would you write the ratio of 4 white shirts to 6 red shirts
asked by ruben 
business
Lansing Auto Pats, Inc., has projected sales of $25,000 in October , $35,000 in November, and $30,000 in December of the company’s sales 20 percent are paid for by cash and 80 percent are sold on credit. The credit sales are collected one month after the
asked by Andre 
English
i have to make creative story abt me having mental illness. i really having trouble with this. i not know what mental problem to write about and how write it. i please really need help. in class we also watch movie A Beautiful Mind and this guy see
asked by Mohammad 
math
Determine the remainder of the following polynomial divisions: (2 marks) A) (4x4 + 3x2  x + 3) ÷ (x + 1) B) (3x2 + 2x  7) ÷ (2x  1)
asked by james 
English
In the word ecologists, is eco the root morpheme or ology? Are the morphemes eco, log, y, ist, s or ec, ology, ist, s ? This is very confusing for me. Any explanation on how to find the root would be appreciated. For example, on contributions are the
asked by Li 
to ms.sue, writeacher, martha, or vanessa
come up with 1 fraction up to 99 that has 2 different prime numbers that can work. For example: 20/30 the prime numbers there are 2 and 5. 20 divided by 2. 30 divided by 2. then it would be 10/15. then you do 10 divided by 5. 15 divided by 5. then it would
asked by Celest 
math
you have several coins that total 38 cents. you have the same number of pennies as you do nickles. how many coins do you have?
asked by quan 
counseling
Each student will write a paper on a specific DSM disorder (e.g., not anxiety disorders, but a specific aspect of a specific anxiety disorder. I am not sure what the instructor is wanting I want to do a paper on Attention Deficit Hyperactive Disorder
asked by anna 
alg 1 college
can you guys please help me wwith a math problem, its asking to solve this equatoion, sqare root5x4=3x18. to fkire off first 5x4= 3x18 squared. foil thatand you are looking AT 9x squared 54x 54x+324/ add the 54 to 108x.then shoot the 5x to to the
asked by mack 
Geography
we were asked to compare two countries using a chart: children and youth (age 019) Working adults (age 2059) and Seniors (age 60 and older) we were then asked to identify the developed and the developing countries and make predication on the following
asked by Emma 
physics
A series circuit contains only a resistor and an inductor. The voltage V of the generator is fixed. If R = 20 Ω and L = 2.8 mH, find the frequency at which the current is onefifth its value at zero frequency?
asked by linds 
science
If the greatest potential energy is 100J will the kinetic energy of the object ever reach 100J?
asked by tom 
geometry
a ladder is 15 ft long and is leaning against the wall. the top of the ladder is 12 feet above the ground. find the distance from the bottom of the ladder to the wall. draw and label a picture and show work....
asked by rob 
math
I have 20 pieces of sod that are 1ft X 2ft and 20 pieces of sod that are 1ft X 3ft. How large a square in my garden can I put them on?
asked by carla 
ELA
what are some topics for argumentative writing around the world right now like troops going back to Afgan
asked by BIBIN 
geometry
a cone with slant height 22 cm and radius 7 cm (1 point) about 484 cm2 about 507 cm2 about 637 cm2 about 1,123 cm2 a sphere with radius 12 cm (1 point) about 904 cm2 about 576 cm2 about 452 cm2 about 1,809 cm2 a square pyramid with base edge 80 m and slant
asked by Anonymous 
algebra
what is the intersection for 15x8y=41 and 1.6x2.8y=6.4
asked by tiffani 
Physics
A resistance of 400 ohms and inductance of 8H and a capacitance of 20 microfarad are connected in series. Cal. (I) the peak current (ii) the phase angle when an a.c voltage of 40v, f= 900Hz is connected across them
asked by Olorunferanmi Thomas 
math
if the ratio of free throws made to free throws attempted is 5 to 6 what would be the possible number of free throws made and free throws attempted
asked by ruben 
Economics
If a firm supplies separable markets with price elasticities h1 and h2, it should set prices P1 and P2 so that: a.P1 /h1 = P2 /h2 b.P1/(1  1 /h1) = P2 / (1  1/h2) c.P1(1 + 1/h1) = P2 (1 + 1/h2) d.P1 = 1  1/h1 and P2 = 1  1/h2 e.P1h1 = P2h2
asked by Ronald 
math
on monday, ivy crawled one inch more than tuesday. on tuesday, ivy crawled twice as much as on wednesday. on wednesday, ivy crawled 4 inches. how many inches did ivy crawl each day
asked by jayden 
Maths
A steel bar 3.6m long is in the form of a triangular prism.its section is right angled i sosceles triangle with sides 50mm.the volume of the bar in cubic meters is? A.0.045 B.0.0045 C.0.0125 D.0.018 E.0.00125
asked by Andrew 
math
Factor each of the following trinomials: (14 marks) A)15s2 + 26s + 8 B) x4 – 5x2 – 36 (hint: let a = x2) C) t2 + 4t – 2 D) 2w2 – w – 4
asked by rick 
Math
Let csc(x)=3. Find all possible values of sin(x)+cos(x)  sec(x)
asked by Sarah 
math
If (x – 3) divides evenly into x3 – x2 – kx + k, find k. (2 marks)
asked by james 
math
If there were only cats and dogs at the pound and the ratio of cats to dogs was 3:4 if there were 105 cats, how many animals altogether?
asked by Cooper 
Physics
A 659g block is placed on a spring with a spring constant of 194N/m, compressing it 30cm. What height does the block reach when it is launched?
asked by Laurel 
math
one fourth of the childern in room 20 have dogs how many kids have dogs
asked by Angel 
English
Can you please check these other sentences? Thank you very much. 1) Robinson makes Friday a slave. He calls him Friday because of the day the savage was saved. Better: after the day he is rescued/after the day of his rescue. 2) There were specific
asked by Matthew 
Algebra
Simplify the following expression: 2(4y + 5z)  10z
asked by Elysa 
math
you want to spend at most $10 for a taxi ride. before you go ansywre the taxi driver sets the meter at the initial charge of $2 the meter then adds $1.25 for every mile driven. if you plan on $1 tip what is th efarthest you can go? it is Inequalities
asked by Taylor 
math
plz help students in a math class need an average of at least 90 points to earn an A. one student test scores are 88,91,and 85 what must be the strudent score on the nest test to earn an A? it is Inequalities
asked by Taylor 
math
write a quadratic function and an exponential function with a base of 2 whose values at x=5 are between 50 and 64
asked by Anonymous 
Math
Determine a relationship between the x and y values in the equation {(0,1), (1,0), (2, 1), (3, 2)}. Write an equation......y=?
asked by Mona 
Grammar and writing
What is the adverb? Pete sometimes pretends he is strong, silent cowboy.
asked by Indyia 
English
I tried to check things myself but I still have a few doubts. Please, have a look at them. 1)A novel is retrospective when the narrator recollect memories from his/her past. 2) Friday is similar to a European in his complexion. However, he describes only
asked by Matthew 
Calculus
differentiate (x^2 + 3x + 2)  (4x  1)
asked by Steph 
Psychology
What is the opposite of a background stressor ?
asked by Sissy 
calculus
Given f ''(x)=6x–4 and f '(0)=1 and f(0)=5 find f '(x) and f (1)
asked by Anonymous 
Chemistry
Find the amount of themal energy needed to raise the temperature of 5 g of a substance from 20 c to 30 c if the specific heat of the substance is 20.1 j/g c
asked by Jesus 
Science
1.What is refraction? The bending of light as it passes through matter 2.What type of lens would you use to magnify your view of a butterfly? Concave 3.What is a sound wave? Sound waves are waves of energy moving through matter.Sound waves are vibrations
asked by Derrick 
Math
They have 20 pieces of 12 foot lumber. If they need 2 screws for every 3 feet of lumber, how many screws do they need?
asked by Me 
Math
What does x equal in x^2/(.81x)?
asked by Justin 
social studies
under the bolshevieks the russian empire expanded in size and power
asked by Anonymous 
businessACCOUNTING
Income from operations, $151,800 The following events took place for Fed Inc. during October 2012, the first month of operations as a producer of road bikes: • Purchased $427,000 of materials. • Used $367,500 of direct materials in production. •
asked by Ashley 
English
Writacher, I didn't revise these questions. Though they can be improved, I can't see anything wrong with grammar. 1) Provide a description of Friday as given in Chapter 16 of Defoe’s Robinson Crusoe. 3) Outline the main features of 18thcentury novels.
asked by Matthew 
statistics
Consider a random sample of 37 students, and consider the number who graduate in six years. . Find the probability that 20 students in the sample graduate in six years
asked by Jack 
Math
Allison's 11th birthday is just around the corner. Her parents are remodeling her bedroom for her birthday. They will replace her carpet and repaint her walls Allison's Room Height 8ft Width 11ft Length 13ft 1.Allison wants the top 1/2 of her walls painted
asked by Derrick 
English
I left out these sentences. I really hope you can check them, too. 1) When Robinson arrives on the island he brings some tools he took from the ship with him; He has got a Bible, some seeds, a diary, weapons and gunpowder. 2) He keeps himself busy by
asked by Matthew 
Math
Norton has cycled 15 miles and has drunk 7 liters of water. Which is the most reasonable prediction of the number of liters of water he will drink by the time he has cycled 50 miles? A.17 B.23 C.31 D.65 C?
asked by Derrick 
geometry
Two legs of a right triangle have 11 and 13 what is the measure of the larger acute angle?
asked by seb 
MATH
WHAT IS THE BASE AREA THE BOX? L=8 IN. W=3 1/2IN AND H= 13IN.
asked by JOHN 
math
If (x – 3) divides evenly into x^3 – x^2 – kx + k, find k. (2 marks)
asked by rick 
math
_____+______=______ Then use partial sums and solve. ...... 9 pictures in it. the students used 585 pictures all together. how many students were there in all?
asked by Joeng 
physics
An object was launched with a velocity of 20 ms−1 at an angle of 45° to the vertical. At the top of its trajectory the object broke into two equal pieces. One piece fell vertically downwards. Where would the other piece fall? (Take g = 10 ms−2)
asked by swapnali 
English
Can you please check these other sentences,too? Thank you. 1) Every detail in the novel is accounted for in the most precise manner. 2) Friday's physical traits are similar to those of a European. Friday doesn't believe in God so he is not Christian.
asked by Matthew 
math
pei fen walked a distance of 526 m.then she walked for another 5minutes at a speed of 70m/min.she took a total of 12 min to walk the entire distance. A.find the total distance that pei fen walked b.what was pei fen's average speed for the whole journey?
asked by Da S 
geometry
What's the next number 360, 180, 60, 15...?
asked by julie 
math
(3u)^5
asked by Renee 
calculus
Simplify with only positive exponents: (v^1/2t)^2(t^2/v^2)^3
asked by Christian 
childhood education
The goal of Binet and Simons original intelligence test was to: A.develop an objective method for assigning students to special classes. B.determine the underlying mental abilties associated with intelligence. My choice is A.Is it correct? thanks
asked by sarah 
physics
For which of these will the buoyant force be the same as its weight when placed in water? A) A match stick.B) All of these.C) A small rock.D) None of these.E) A nail.
asked by Jim 
psychology
Is community treatment for schizophrenia effective? Think about what constitutes “community” and is it the same everywhere? Explain.
asked by jessica 
English
I left out a few more things and a short translation. Can you please check them, too? 1) Four of your students have sent email so far. Can you please send me the individual email addresses of your partecipating students so that we can start the email
asked by Matthew 
tax
On July 15, 2009, Travis purchased some office furniture for $20,000 to be used in his business. He did not elect to expense the equipment under §179 or bonus. On December 15, 2011, he sells the equipment. What is his cost recovery deduction for 2011? A.
asked by Andy 
physics
A bench seat is attached to a wall by hinges and supported from above by two ropes, as shown in the figure below. The seat weighs 139 N and is designed to support a person weighing up to 1300 N, sitting on the edge. How much tension must each rope be able
asked by Anonymous 
Geography
need help predicting what should be done to prepare each of our two countries for education for young people, Infant care for young mothers, Home construction for growing families, and Medical care for seniors. Age group for each: 019 25.90, 2059 51.70
asked by Emma 
Maths
A shopkeeper sells a hat for $14.the amount he gains is three times the amount he loses when he tries to sell it for $8.find the cost price? A.9 B.8.5 C.9.5 D.11 E.10
asked by Andrew 
to ms.sue
your a life savor. i couldn't have finished my homework without your help.i'll maybe come back tommorow. Bye.good night,sweet dreams! thank you so much!!!
asked by Celest 
Further maths
If S=(2+3t)(5t4),find ds/dt when t=4/5sec.
asked by Great 
Informal logics
"Julie and Kurt got married and had a baby" is best symbolized as
asked by Anonymous 
biology
what is the different between diet and health.
asked by Lala 
Further maths
If S=(2+3t)(5t4),find ds/dt when t=4/5sec.
asked by Great 
Algebra 2
(43/x^4)/(5+2/x3) Simpify, Leave in factored and reduced form.
asked by Nancy 
Chemistry
What is initial concentration of a sodium acetate if the pH (at epuilibrium) is measured to be 9.30?
asked by Justin 
Algebra
If I have an 83 average and I take a test that's 1/3 of my grade and get a 60 on it what would be my total average?
asked by Gilly 
math
the top of a hill is 40m tall. the horizontal distance from the runaway is 325 m. if the pilot clear the top of the hill by 45 m, what is the angle of takeoff?
asked by shuntea 
English
Here are some other sentences I need to check with you. Thank you very much. 1) He writes a diary with everything he does on the island (and records everything he does on the island?). 2) To feed himself, in addition to goats’ meat and milk, he plants
asked by Matthew 
math
If a 4'x4' area equals 20% of the whole what is the size of the whole?
asked by Claire 
Chemistry
the reaction 2 NO + O2 2 NO2 (delta H = 114.2 kJ) has a Kc=7.00 x 10^7 at 200 degrees Celsius. what is the value of Kc at 400 degrees celsius? a. 1.25x10^4 b. 1.68x10^8 c.3.91x10^11 d. 5.74x10^22 e. answer not given
asked by alex 
physics
In a series circuit, a generator (1254 Hz, 13.8 V) is connected to a 15.5Ω resistor, a 4.25µF capacitor, and a 5.32mH inductor. Find the voltage across each circuit element. VR = VC = VL =
asked by linds 
Physics
If you happen to be trapped inside a burning building and need to jump out of the window, should you propel yourself upwards first or just let yourself fall? No not perform any calculations. Explain your answer. Air resistance is considered negligible.
asked by Anthony 
Math
Need help. A microwave oven sold for. $95 and discounted to $45. What is the percent of decrease? I got 47.4% is this right ? A men's store. Reduced. The price of a hat from $12.50 to $10.00 what is percent of discount? I got 1.25 or 1.3% is this right?
asked by Marko 
math
Taylor is planting 4 trees at the community center.She wonts to leave a 2 square foot area between each one.How many square feet does she need for the trees?
asked by lynnay 
trig
if tan(θ)=√(33) / 4 (√ does not ride over 4) find sin(θ)
asked by person 
trig
If theta is a standard position angle and cot theta = 1.85, in which quadrant(s) could theta lie?
asked by people 
chemistry
What is (a)PH(b) POH of a solution wholes hydrogen ion consentration is 5.00x104?
asked by Anonymous 
math
find the zeroes of g(x)=(x^25x6)/(x^29) I know i suppose to use synthetic division, but the denominator has x^2 in it. Does this matter or do I just divide by 9
asked by meme 
math
If you have 360 books and you pick up 90 what is the percent
asked by Anonymous 
math
If you have 360 books and you pick up 90 what is the percent
asked by Anonymous 
math
If you have 360 books and you pick up 90 what is the percent
asked by Anonymous 
Chemistry
What are the units for the rate constant for a second and third order rate law?
asked by Kaleen 
math
If I spent 3/8 of her allowance and then another 3/8, how much does she have left?
asked by Lucy 
geometry
If the mean of a certain population is 250 and the standard deviation is 40, what x value corresponds to the zscore of 0.35.
asked by Gabi 
math
ALANIS WALKING TA AFRIENDSHOUSE HECOVERD 6/10 OF THE DISTANCEIN 48 MINUTES IF HE CONTINES AT THE SAME SPEED ABOUT HOW LONG WILL THE ENTIRE WALK TAKE
asked by BLBLBLB 
AP History
What was the Talented Tenth? Who proposed it & why?
asked by angel 
global culture attributes
what is global culture attributes?
asked by mubashar 
Math
Max's pencil was 8/23ft and Ian's pencil was 6/12. How much loner is Max's pencil than Ian's? A.2/12 B.4/12 C.6/12 D.14/12 Is it A or C?
asked by Derrick 
English
1. Wilma tried very hard to succeed as an athlete. 2. Wilma tried to succeed as an athlete very hard. (Do both sentences have the same pattern and the meaning? Is the verb 'tried' a transitive verb, and take an object the to infinitive? Or is the verb
asked by rfvv 
Maths
Taona and Stella both live 5km from the Hospital,stella walks at a speed of 4km/hr,while taona cycles.if stella leaves home 45minutes earlier than Taona,they arrive at the same time.how fast does Taona cycle
asked by Andrew 
Math
For a poll, 60 students were selected at random from the 6000 students at Calgon Community College. It turns out that 12 were in favor of higher parking fees to support extra police patrols of parking lots on campus. In this example, the sample proportion
asked by Nicole 
chemistry
A gas occupies 10 liters at a pressure of 40.0 mm hg. What is the volume when the pressure is increased to 60.0 mm hg
asked by jr 
Math
How to round 63 for homework
asked by Autumn 
Earth/Space Science
Which of the following is responsible for absolute sealevel changes? A. formation and melting of ice sheets B. erosion of land surfaces by wind and water C. human activities along coastlines, such as development and grading D. movements of a tectonic
asked by Astrid 
math
Complete the square to find the vertex of each quadratic function. State the vertex. (10 marks) A) f(x) = x2 + 8x – 3 B) f(x) = x2 – 5x + 8 C) f(x) = 2x2 – 12x + 1 D) f(x) = 3x2 + 2x – 5
asked by james 
math
If (x + 2) is a factor of m^2x^4 + 5mx^3 + x^2 – 7x – 2, find m. (4 marks)
asked by mark 
math
When px^3 – 2px^2 + 3x – p is divided by (x – 1), the remainder is 5. Find p. (2 marks)
asked by rick 
4th grade fractions
come up with 1 fraction up to 99 that has 2 different prime numbers that can work. For example: 20/30 the prime numbers there are 2 and 5. 20 divided by 2. 30 divided by 2. then it would be 10/15. then you do 10 divided by 5. 15 divided by 5. then it would
asked by Celest 
math
13/18÷20/27
asked by Renee 
dressmaking
Which type of fastener becomes more secure when yu try to pull the garment pieces apart? a) snap fastener b)hook and eye c)velcro d)zipper I feel the answer if b)but feel it cld also be d)What do yu think is right
asked by karina 
calculus
Consider ∫R∫syDA, where R is the square R=[0,1]x[0,1]. Let us compute some Riemann sums. For any positive integer n we partition R into n^2 little squares Rij each with sides 1/n long. Within each little square we evaluate the integradn at the point
asked by Bryant 
geometry
Find the perimeter of the figure if AB = 8 inches and BC = 14 inches.
asked by Anonymous 
math
what property is being used in the equation 4p+7+7+4p.
asked by shako 
Math
Suppose you invest $8000 at a nominal interest rate of 5.75% for 5 years. Find the accumulated amount if your account is accumulated yearly.
asked by Nate 
Physics
If the cart weighs 3.9kg and the cart starts at a height of 7.8m, what is the final velocity of the cart?
asked by Laurel 
SpanishPlease check answers
Él no va nunca.He never goes Él ve alguien.He sees someone. Él no ve nadie.He doesn’t see anyone.
asked by Ellen 
General math
30 3/4 x 60 3/8
asked by Angie 
geometry
i need to write the word that describes the lines or line segments for the following: 1> the strings on guitar : parrallel 2. the marks left by a skidding car : parrallel 3> sidewalks on opposite sides of streets: parralel 4> the segments thta make up a +
asked by marko 
Math
Simplify with only positive exponents: (v^1/2t)^2(t^2/v^2)^3
asked by Christian 
to ms.sue
i know how to do it but I don't understand what it means when it says up to 99.
asked by Celest 
dressmaking
The tops of pants or a skirt is finished with facing when a)extra strength is required at the waistline b) its not possible to layer the fabric c) a stay tape cant be used in the seams d0yu don't want the waistband to be visible from the right side. My
asked by karina 
math
Starting at A, count the number of linear inches to go completely around the outside of the rectangle. (Each square is 1 inch long.) what doe s this mean!?!
asked by Anonymous 
English
I urgently need to check some paragraphs with you. I hope you can help me. I repeated the same sentence many times to see all the possible variations. Thank you very much. 1)Defoe's novels are fcitional and retrospective autobiographies always pretending
asked by Matthew 
math
16stickers are placed in a box if one sticker Is drawn from the box which color is it most Likely to be? Key:1 Red I I I Blue I I I I Yellow I I Green I I I I I I I
asked by Sara 
To ms.sue
i still don't understand what it means when it says up to 99. can it be 45/99 orsomething like 4/72. can you give me an example?
asked by Celest 
physics
Which floats with most of its volume below the surface? A) None of these.B) An oak log.C) All of these.D) An iceberg.E) A mountain range.
asked by Jim 
calculus
Consider ∫R∫xydA, where R is the square R=[0,1]x[0,1]. Let us compute some Riemann sums. For any positive integer n we partition R into n^2 little squares Rij each with sides 1/n long. Within each little square we evaluate the integradn at the point
asked by Bryant 
healthcare accounting
what is the entry when we get a gift of $100,000 for cancer research only with the investments earnings also limited to cancer research?
asked by scott 
physics
start at a 9 meter hill, standing on a 77kg skateboard whats the kenetic energy at the bottom of the hill
asked by Anonymous 
statistics
customer arrive at alocal ice cream stand at an average rate of 16 perhour. what is the probability that 2 customer will arrive during the next 15 minutes?
asked by carly 
English
Here are other sentences I need to check. Can you please help me to have a look at them? Thank you. 1) In his Robinson Crusoe, Defoe uses retrospective first person (or 1st person) narration because he recalls memories from his past adventures. (Not
asked by Matthew 
statistics
from generation to generation, the average age when smokers first start to smoke caties. however, the standatd deviation of that age remains constant of around 2.1 years. a survey of 40 smokers of this generation was done to see if the average starting age
asked by ed 
to ms.sue
which one is an example of up to 99
asked by Celest 
college algebra
if y vaires directly as x^2 and y=20 when x=4, find y when x=7? I got 61.25 but was not sure if it was correct...
asked by Anonymous 
Algebra 2
(5+3/x^2y)/(3+x/x^3y) Simplify. Leave in factored and reduced form. Put () around polynomials in numerator and denominator
asked by Nancy