Questions Asked on
April 4, 2013

Chemistry
An ideal gas is contained in a cylinder with a volume of 5.0 102 mL at a temperature of 30.°C and a pressure of 710. torr. The gas is then compressed to a volume of 38 mL, and the temperature is raised to 827°C. What is the new pressure of the gas? torr
asked by Rashid 
chemistry
CH3NH2(aq)+H2O(l)=>CH3NH3+(aq)+OH(aq) Kb=4.4 x 10^4 Methylamine, CH3NH2, is a weak base that reacts with water according to the equation above. A student obtains a 50.0 mL sample of a methylamine solution and determines the pH of the solution to be
asked by ashdawg 
Chemistry
The elements lithium and oxygen react explosively to from lithium oxide (Li2O). How much lithium oxide will form if 3.03 mol of lithium react? Answer in units of mol
asked by Kyle 
Help? Math
Use equal intervals to make a frequency table for the average number of movies per person. You do not need to show tally marks. Country Average Number of Movies Turkey 0.5 Japan 1.2 UK 1.3 Finland 1.3 Austria 1.5 Germany 1.8 Spain 2.2 Sweden 2.2 Denmark
asked by Katie 
Chemistry
Sodium methanoate, NaHCOO, and methanoic acid, HCOOH, can be used to make a buffer solution. Explain how this combination resists changes in pH when small amounts of acid or base are added. Buffers kind of confuse me and I'm not sure how to start this. Can
asked by a Canadian 
Physics
The ski slopes at Bluebird Mountain make use of tow ropes to transport snowboarders and skiers to the summit of the hill. One of the tow ropes is powered by a 22kW motor which pulls skiers along an icy incline of 14° at a constant speed. Suppose that 18
asked by Honey 
chemistry
The pKb values for the dibasic base B are pKb1 = 2.1 and pKb2 = 7.4. Calculate the pH at each of the following points in the titration of 50.0 mL of a 0.75 M B(aq) with 0.75 M HCl(aq). (b) after addition of 25.0 mL of HCl (c) after addition of 50.0 mL of
asked by Ashley 
Math
Use equal intervals to make a frequency table for the average number of movies per person. You do not need to show tally marks. Country Average Number of Movies Turkey 0.5 Japan 1.2 UK 1.3 Finland 1.3 Austria 1.5 Germany 1.8 Spain 2.2 Sweden 2.2 Denmark
asked by Katie 
Math
Find the APR (true annual interest rate), to the nearest half percent, for the following loan. Amount Financed = $1200 Finance Charge = $90 Number of Monthly Payments = 12
asked by McD30 
chemistry
In the reaction between formic acid (HCHO2) and sodium hydroxide, water and sodium formate (NaCHO2) are formed. To determine the heat of reaction, 75.0 mL of 1.07 M HCHO2 was placed in a coffee cup calorimeter at a temperature of 20.8 °C, and 45.0 mL of
asked by timmy 
physics
An electron is accelerated from rest through a potential difference that has a magnitude of 2.90 × 107 V. The mass of the electron is 9.11 × 1031 kg, and the negative charge of the electron has a magnitude of 1.60 × 1019 C. (a) What is the
asked by PLEASE AND THANK YOU 
chemistry
A 50.00mL sample of groundwater is titrated with 0.0900 M EDTA. Assume that Ca2 accounts for all of the hardness in the groundwater. If 11.40 mL of EDTA is required to titrate the 50.00mL sample, what is the hardness of the groundwater in molarity and in
asked by Ashley 
physics
A sled is accelerating down a hill at a rate of 1 m/s2 . If the mass of the sled is suddenly cut in half and the net force on the sled is doubled, what is the acceleration of the sled?
asked by Jill 
Analytical chemistry
A 25.0mL solution of 0.0660 M EDTA was added to a 33.0mL sample containing an unknown concentration of V3 . All V3 present formed a complex, leaving excess EDTA in solution. This solution was backtitrated with a 0.0450 M Ga3 solution until all the EDTA
asked by Ashley 
Precalculus with Trigonometry
Prove or disprove the following identity: (sin(10x))/(sin(x)+sin(9x)) = (cos(5x))/(cos4x))
asked by Natalie 
Math
For n repeated independent trials, with constant probability of success p for all trials, find the probability of exactly x successes. Round your answer to four decimal places n = 10, p = 1/7, x = 3 A. 0.1189 B. 0.1546 C. 0.1308 D. 0.1427
asked by Rae 
Chemistry
How many grams of CuSO4 * 5H2O are needed to prepare 100mL of a 0.10 M solution ?
asked by Jade 
math
find the value of k such that the equation e^(2x)=krootx has exactly one solution.
asked by tom 
Chemistry
Calculate the change in pH if 0.050 g of solid NaOH is added to 250 mL of a buffer solution that contains 0.80 M NaH2PO4 and 0.17M Na2HPO4. I found the pH of the buffer solution to be 6.54.
asked by Matt 
Chemistry
How many milliliters of 1.0 M NaOH must be added to 200. mL of 0.10 M NaH2PO4 to make a buffer solution with a pH of 7.50? (5 points)
asked by bill 
Chmeistry
Estimate the uncertainty in the speed of an oxygen molecule if its position is known to be +/ 3 nm. The mass of an oxygen molecule is 5.31 x 10^26 kg.
asked by Emily 
Alg 1
A baseball player hit a ball with an upward velocity of 46 ft/s. Its height h is feet after t seconds is given by the function h = 16t^2 + 46t + 6. What is the maximum height the ball reaches? How long will it take the baseball to reach the maximum
asked by Jane 
Chemisrty
How many grams of KClO3 must react to form 42.0 mL?
asked by Mia 
Math
The advertised size of a pizza is the length of its diameter. What is the area of the curst of a 16ince pizza?
asked by Nature 
maths
a matrix X has a+b rows and a+2 columns while the matrix Y has b+1 rows and a+3 columns. both matrices XY and YX exist. find a and b. can you say XY and YX sre of same type? are they equal?
asked by edward 
Spanish
(Querer) saber qué pasó. What would be the correct answer for the above statement. My answer is Quería saber qué pasó.
asked by Pat summers 
math 114
A store mixes Kentucky bluegrass worth $11 per pound and ryegrass worth $14 per pound. The mixture is to sell for $13 per pound. Find out how much of each should be used to make a 588 pound mixture. How many pounds of the Kentucky bluegrass should be in
asked by David 
Chemistry
How many grams do 5.8×10 24 atoms of argon weigh? Answer in units of g
asked by Kyle 
business law
Your Procuring Contracting Officer just signed a contract citing $50,000 of RDT&E funds based on your comptroller''s certification of funds. Shortly afterward, you discover that there was really only $40,000 available for the fund citation provided.
asked by Shawn 
Math
A bag holds 2 yellow, 1 green, and 2 red marbles. If you were to draw a marble from the bag 150 times, and replace it after each draw, how many yellow marbles would you expect to draw? (1 point) A:50 B:60 C:30 D:38 I say it's B or A
asked by Vince 
Calculus
You are in a boat "a" miles from the nearest point on the coast. You are to go to a point Q, which is "b" miles down the coast and 1 mile inland. You can row at 2 miles per hour and walk at 4 miles per hour. If a=3, and b=4, toward what point on the coast
asked by ricardo 
Chemistry
Hydroxylapatite, Ca10(PO4)6(OH)2, has a solubility constant of Ksp = 2.34 × 10^59. Solid hydroxylapatite is dissolved in water to form a saturated solution. What is the concentration of Ca2 in this solution if [OH–] is somehow fixed at 5.30 × 10^6 M?
asked by C 
anatomy physiology/check please
Muscular dysgenesis or dysgeny is a lethal, recessive, genetic disease of mice that is caused by a mutation in the mdg gene. Skeletal muscles from dysgenic mice are paralyzed and the animals die shortly after birth. You are a research scientist interested
asked by joseph 
Physics
A compact disk rotates from rest to 500 rev/min. in 5.5s. a) What is the angular acceleration assuming it is constant. b) How many revolutions does the disk make in 5.5 s. c) How far does a point on the rim 6 cm from the center of the disk traveling during
asked by Jenny 
math
cot^1(2tan(cos^18/17))+tan^1(2tan(sin^18/17))=tan^1300/161
asked by hasee 
Physics
A bat flying in a cave emits a sound and receives its echo 0.1 s later. Show that it's distance from the cave wall is 19 m.
asked by John 
Colelge Math (Fibonacci)
"Start with a pair of rabbits, (one male and one female) born on January 1. Assume that all months are of equal length and that : 1. rabbits begin to produce young two months after their own birth; 2. after reaching the age of two months, each pair
asked by Ilya 
Chemistry
Identify the relative molar amounts of the species in 0.10 M NaBr(aq). NaBr, Na+, Br, H3O+, OH, H2O
asked by Hei 
Algebra 2
Which of the following methods can be used to construct a pattern of 10 numbers for which it would be mathematically impossible to predict the 11th term? (more then one answer.) A.Make a pattern, starting with 3, where each number is the next digit of pi
asked by Tifini 
physics
In the operating room, anesthesiologists use mass spectrometers to monitor the respiratory gases of patients undergoing surgery. One gas that is often monitored is the anesthetic isoflurane (molecular mass = 3.06 1025 kg). In a spectrometer, a singly
asked by Anonymous 
English
1. When a speaker seeks to explain or illustrate a process, she or he is probably speaking to: A. inform. B. persuade. C. entertain. D. celebrate. is it A 2. When the theme of a speech is, “Be all you can be. Join the Navy,” it is meant to: A.
asked by Amy 
Physics
The temperature of an object is raised by 90ºC. This is equivalent to what increase in its absolute temperature?
asked by leo 
science
A ________ biome is a cold, dry area where the sun barely rises during the winter. a. coniferous forest b. temperate deciduous forest c. grassland d. tundra this is a 7th grade question and can a science teacher help me out on this please so i can study
asked by lola 
Physics
Nicole throws a ball straight up.Chad watches the ball from a window 5meters above the point where Nicole released it . The ball passes Chad on the on the way up, and it has a speed of 10m/s as it passes him on the way back down.Determine how fast Nicole
asked by Caroline 
English
1. When Elizabeth made a speech presentation demonstrating how to create an effective PowerPoint Presentation, her speech is about: A. events. B. processes. C. concepts. D. objects. is it B 2. When speaking about abstract concepts, make them concrete to
asked by Amy 
Physics
An electric dipole (any pair of oppositely charge point particles) lies on the xaxis, consisting of a  2.5nC charge at x = 10 cm, and a +2.5nC charge at x=10cm. Find the electric field (a) on the xaxis, at the point (20,0) and (b) on the yaxis, at
asked by Jayflord 
Chemistry 12
When 1.00 g. of MgCO3 is added to 2.0 L of water, some, but not all, will dissolve to form a saturated solution. Calculate the mass of solid that remains undissolved.
asked by Janice 
Chemistry
I'm trying do this question: 0.10 mol/L hydrochloric acid is titrated with 0.10 mol/L methylamine, CH3NH2. Calculate the pH of the equivalence point. I'm having trouble with the equation... How do you know what HCl + CH3NH2 will produce? Is there a rule or
asked by a Canadian 
statistics
Evaluate the given expression and express the result using the usual format for writing numbers (instead of scientific notation). 32C2=
asked by Tash 
algebra
In most state and local courts, 12 jurors and 2 alternates are chosen from a pool of 30 prospective jurors.The order of the alternates is specified. If a juror is unable to serve, then the first alternate will replace the juror.The second alternate will be
asked by Karina 
physics
A plastic rod has been bent into a circle of radius R = 8.80 cm. It has a charge Q1 = +4.60 pC uniformly distributed along onequarter of its circumference and a charge Q2 = 6Q1 uniformly distributed along the rest of the circumference. Take V = 0 at
asked by j 
math ugh.
at a small private collage, 9/20 of the students are female. there are 2160 female students, then how much are male?
asked by Christian 
physics
how long 1.2kw electric kettle take to heat 0.8kg of water from 20c to 100c?
asked by Anonymous 
Math
What is next number in series: 100 96 104 88 120 56
asked by Sam 
chemistry
The concentration of saturated NaOH is 50.0% w/w and the density is 1.52 g/mL. If exactly 8.50 mL were diluted to 1.000 L, what would be the concentration?
asked by Ashley 
physics
the sounds of a cricket gets stronger as you get closer to it. if you get twice as close, how much louder will the sound be?
asked by mikayla 
math
find the circumference of a frisbee that has a diameter of 4 inches?
asked by linda 
mechanics
A cat is sleeping on the floor in the middle of a 4m wide room when a barking dog enters with a speed of 1.8m/s. As the dog enters, the cat immediately accelerates at 0.85m/s^2 towards an open window on the opposite side of the room. The dog; a bit amazed
asked by Kemmone 
Chemistry
When ice melts, it absorbs 0.33 kJ/g. How much ice is required to cool a 11.0oz drink from 76F to 39F, if the heat capacity of the drink is 4.18J/gC ? (Assume that the heat transfer is 100% efficient.) I got 11 g, but I guess that's wrong...
asked by Jordann 
Physics
A supersonic aircraft produces a shock wave that describes a 30° cone. What happens to the angle of the cone as the aircraft travels faster?
asked by leo 
statistics
Evaluate the given expression and express the result using the usual format for writing numbers (instead of scientific notation). 32C2=
asked by Tash 
Math
When Adding A Negative Number On A Numberline You Move Left On the Number Line. True Or False
asked by Zhanise 
physics
A window washer is standing on a scaffold supported by a vertical rope at each end. The scaffold weighs 192 N and is 3.4 m long. What is the tension in each rope when the 708N worker stands 2.40 m from one end? Smaller tension: ___N Larger tension: ___N
asked by Dan 
algebra
Determine the length of fencing around an 80 m by 170 m rectangular playing field if the fence is to be 25 m outside the edge of playing field
asked by Anonymous 
physics
50+kg+ice+cube+slides+without+friction+up+and+down+a+30°+slope.+The+ice+cube+is+pressed+against+a+spring+at+the+bottom+of+the+slope,+compressing+the+spring+10cm+.The+spring+constant+is+25Nm.+When+the+ice+cube+is+released,what+distance+will+it+travel+up+th
asked by zama 
Lincoln College Of New En
How man 4 letter code words can be made using the letters in the word pencil if repetitions are permitted?
asked by Paula 
Chemistry
How many kilojoules of energy are needed to convert 104 g of ice at 14.6 to water at 25.8°C? (The specific heat of ice at 14.6 is 2.01 J/g°C.)
asked by B 
Physics  Electricity
Three resistors (15, 20, 25 ohms in this order) are connected to a 13V battery . The internal resistance of the battery is negligible. What is the voltage difference across the 20Ω resistance?
asked by Amy 
early childhood
To promote infant (six to twelve months) speech growth, name five useful adult techniques.
asked by betsy 
Algebra
Which of the following methods can be used to construct a pattern of 10 numbers for which it would be mathematically impossible to predict the 11th term? (more then one answer.) A.Make a pattern, starting with 3, where each number is the next digit of pi
asked by Help Please! 
geometry
In the diagram, circle A is tangent to circle C, and segment BE is tangent to circle A. The radius of circle A is 11 meters and the radius of circle C is 8 meters. Find the area of triangle ABE to the nearest square meter.
asked by joe 
Chem
The specific heat of zinc is 0.096 cal/(g °C). Determine the energy required to raise the temperature of 26.1 g of zinc from room temperature (20.0 °C) to 150 °C.
asked by Joel 
chemistry
A solution of the primary standard potassium hydrogen phthalate, KHC8H4O4, was prepared by dissolving 0.4877 g of potassium hydrogen phthalate in about 50 mL of water. Titration with a KOH solution required 17.65 mL to reach a phenolphthalein end point.
asked by Ashley 
Chem
How many kilojoules of energy are needed to convert 104 g of ice at 14.6 to water at 25.8°C? (The specific heat of ice at 14.6 is 2.01 J/g°C.)
asked by just need set up 
Calculus
the measurement on one side of a right triangle is found to be 9.5 inches inches, and the angle opposite that side is 27 degrees,45' with a possible error of 15'. (round answers to two decimal places) a) Approximate the percent error in computing the
asked by sancho 
chemistry
Determine the radius of the largest atom that can be accommodated in the interstices of BCC iron (Fe) without stress. (Hint: the center of the largest site is at ½, ¼, 0; draw a unit cell  it helps.)
asked by adex 
Math
For n repeated independent trials, with constant probability of success p for all trials, find the probability of exactly x successes. Round your answer to four decimal places n = 10, p = 1/7, x = 3 A. 0.1189 B. 0.1546 C. 0.1308 D. 0.1427
asked by Rae 
alg 1
Quadratic graphs and their properties: Identify the domain and range of each function: y = 4x^2  3 I have no idea how to find the range and domain. Would you please explain in detail how I can determine the domain and range in the quadratic problems?
asked by Jane 
physics
A woman is 1.6 m tall and has a mass of 47 kg. She moves past an observer with the direction of the motion parallel to her height. The observer measures her relativistic momentum to have a magnitude of 2.2 × 1010 kg·m/s. What does the observer measure
asked by please help 
Economics
Suppose you have $7,000 in savings when the price level index is at 100. A. If inflation pushes the price level up by 10 percent, what will be the real value of your savings? B. What is the real value of your savings if the price level declines by 10
asked by Anonymous 
Physics
A 2.0ohm resistor is connected in series with a 20.0V battery and a threebranch parallel network with branches whose resistances are 8.0 ohms each. Ignoring the battery's internal resistance, what is the current in the battery?
asked by leo 
Analytical chemistry
Calculate pCd2 at each of the following points in the titration of 40.00 mL of 0.0040 M Cd2 with 0.0040 M EDTA in the presence of the auxiliary complexing agent NH3. The solution is buffered at a pH of 11.00. Take the NH3 concentration to be a constant
asked by Ashley 
Chem
How many kilojoules of energy are needed to convert 104 g of ice at 14.6 to water at 25.8°C? (The specific heat of ice at 14.6 is 2.01 J/g°C.)
asked by greg 
chemistry
3. Based on your answer in question 2, determine the percent error of your calculated specific heat capacity value of your unknown metal using the specific heat capacities of known metals below. Metal Specific Heat Capacity Nickel 0.440 Tin 0.210 Silver
asked by lex 
calc
Given that a window entails a rectangle capped by a semicircle, given that the semicircle’s diameter concides with the rectangle’s width, given that the window’s outside (linear and curvilinear) perimeter is 24 feet, and given that the
asked by Anonymous 
Physics
For safety in climbing, a mountaineer uses a nylon rope that is 55 m long and 0.9 cm in diameter. When supporting a 88kg climber, the rope elongates 1.4 m. Find its Young's modulus.
asked by Dan 
Life Orientation
Identify and describe 3 environmental health hazard that cause ill health,crises and or disasters within your community or any other community within South Africa and globally .include evidence that is current of the identified issues
asked by Koketso 
physics
Four acrobats of mass 61.0 kg, 68.0 kg, 62.0 kg, and 55.0 kg form a human tower, with each acrobat standing on the shoulders of another acrobat. The 61.0kg acrobat is at the bottom of the tower. If the area of each of the 61.0kg acrobat's shoes is 370
asked by Dan 
Math ms sue please help
A store is selling a sweater on sale for $17.90. The regular price is $22.95. What percent of the regular price is the sale price?
asked by Gabby 
Henri Laurent. Essay. Confuzzled
So I have to write an essay and it says what would I do if I were Henri Laurent. Who is he? Thanks
asked by rockrboiluvr 
Algebra 2
The simple formula for the nth term of an arithmetic sequence is an = 4n + 16. What is the explicit formula corresponding to the simple formula?
asked by Tifini 
physics
A man fires a rock of a slingshot directly upward.The rock has an initial velocity of 15m/s.How long will it take for the rock to return to the level he fired it at?
asked by Shazz 
science computer
accept input age, height and weight for some people. The loop will stop when the user enters value 0 for age. Calculate average for age, height and weight, and print the number of people and average age, height and weight.
asked by alynn 
English
Which of the following is NOT true about persuasive speaking compared to informative speaking? A. Involves more emotional appeal. B. Asks for commitment from the audience. C. Impartial point of view. D. Emotionevoking language. is it C
asked by Amy 
chemistry
How many grams of water can be cooled from 35^\circ {\rm C} to 16^\circ {\rm C} by the evaporation of 57{\rm g} of water? (The heat of vaporization of water in this temperature range is 2.4 {\rm kJ}/{\rm g}. The specific heat of water is 4.18 {\rm J}/{\rm
asked by Anonymous 
math 140
If 5 is added to a number the sum is tripled, the result is 31 more than the number. Find the number.
asked by betsy 
English
1. “To persuade my audience that drinking and driving laws should be stricter” aims for: A. passive agreement with a policy. B. active agreement with a policy. C. personal action to support a policy. D. personal agreement to support a policy. is it C
asked by Amy 
Analytical chemistry
A 24.393 g sample of aqueous waste leaving a fertilizer manufacturer contains ammonia. The sample is diluted with 80.601 g of water. A 12.404 g aliquot of this solution is then titrated with 0.1059 M HCl. It required 31.61 mL of the HCl solution to reach
asked by Ashley 
a. chem
A 50.0 mL sample containing Cd2 and Mn2 was treated with 58.7 mL of 0.0500 M EDTA. Titration of the excess unreacted EDTA required 17.7 mL of 0.0300 M Ca2 . The Cd2 was displaced from EDTA by the addition of an excess of CN–. Titration of the newly freed
asked by Lana 
Math
When Multiplying Fraction You Must Find A Common Denominator. True Or False
asked by Zhanise 
Math
How many 6 inch pieces can you cut from a spool of ribbon that is 10 yards long?
asked by Drew 
PHYSICS
Light is shining perpendicularly on the surface of the earth with an intensity of 680 W/m2. Assuming that all the photons in the light have the same wavelength (in vacuum) of 478 nm, determine the number of photons per second per square meter that reach
asked by please help 
math
nadia can paint a room in 5 hours Nat can paint the same room in 7 hours how long will it take for both of them to finish painting the same room
asked by Anonymous 
Math
A garden supply company sells cages for tomatoes. The cages come in either black or silver. To decide how many of each color to stock, the purchaser looks at the sales from last year. He finds that 1/3 of the cages sold were black. Last year the company
asked by Kaite 
Calculus
please help!!!!Apply newtons method to approximate the xvalues of the indicated points of intersection of the 2 graphs. continue the process until 2 successive approximations differ by less than 0.001. (Hint: Let h(x)=f(x)g(x)) f(x)=x^6 g(x)=cos(x) x=
asked by cliff 
Physics
A positively charged particle of mass 5.60 108 kg is traveling due east with a speed of 60 m/s and enters a 0.49T uniform magnetic field. The particle moves through onequarter of a circle in a time of 1.20 103 s, at which time it leaves the field
asked by Don 
Physics
An electron has a kinetic energy of 7.00 1017 J. It moves on a circular path that is perpendicular to a uniform magnetic field of magnitude 4.40 105 T. Determine the radius of the path?
asked by Don 
Physics
A long, narrow rectangular loop of wire is moving toward the bottom of the page with a speed of 0.021 m/s (see the drawing). The loop is leaving a region in which a 2.7 T magnetic field exists; the magnetic field outside this region is zero. During a time
asked by Anonymous 
Please solve it for me!! Please...Maths
Solve for the value of x: 6log(x^2+1)x=0
asked by Seth 
Chemistry
Ca(OH)2, CaF2, NH4NO3, KNO3, HNO3  Arrange the solutions from most basic to most acidic. I know Ca(OH)2 will be most basic and HNO3 will be most acidic, but how do you determine for the other ones?
asked by a Canadian 
Calculus
A table of values for f,g,f′, and g′ are given in the table below: x f(x) g(x) f′(x) g′(x) 5 0 4 9 5 0 5 0 6 9 4 5 5 9 5 If h(x)=f(g(x)), find h′(5), If H(x)=g(f(x)), find H′(0)
asked by Travis 
physics
a cannon with a mass of 1200 kilograms is positioned at the edge of a cliff where it fires a 100 kilogram cannonball horizontally. The cannonballs initial speed is 35 meters per second. What is the recoil of speed of the cannon.
asked by lauren 
math
A baseball diamond has 90 ft. between each base. A softball diamond has 60 ft between each base. How many yards longer is the space between bases on a baseball diamond than a softball diamond?
asked by Kelsey 
Physics
A positively charged particle of mass 5.60 108 kg is traveling due east with a speed of 60 m/s and enters a 0.49T uniform magnetic field. The particle moves through onequarter of a circle in a time of 1.20 103 s, at which time it leaves the field
asked by Don 
Life Orientation
Identify and describe 3 environmental health hazard that cause ill health,crises and or disasters within your community or any other community within South Africa and globally .include evidence that is current of the identified issues
asked by Koketso 
math
Ed has $15,000 invested in stocks paying 8%. How much additional money should he invest in certificates of deposit paying 4% so that the average return on the two investments is 6%?
asked by Anonymous 
Chemistry
I need help starting this question: A buffer solution is prepared by adding 30.0g of pure acetic acid to 41.0g of sodium acetate in water, and then diluting the solution to 1.00L. What is the pH of the buffer solution?
asked by a Canadian 
Math
Alicia went on a steamboat ride up the Mississippi River. The boat travels 20 miles per hour in still water. How long will it take her to travel 60 miles upstream if the current of the river is 8 miles per hour?
asked by Johnathan 
Math Technology
A pilot is flying to a destination 700 miles away at a bearing of 105 degrees. The cruising speed of the plane is 500 mile per hour and the the wind is blowing between 20 and 30 miles per hour at a bearing of 30 degrees. At what bearing should the pilot
asked by Irma 
Analytic Geometry  lengths?
Square ABCD has sides of length 4, and M is the midpoint of CD . A circle with radius 2 and center intersects a circle with radius 4 and center A at points P and D . What is the distance from P to AD? Please help  I drew the diagram, but looks kinda
asked by Knights 
chemistry
0.650 L of 0.420 M H2SO4 is mixed with 0.600 L of 0.280 M KOH. What concentration of sulfuric acid remains after neutralization?
asked by Ashley 
Life Orientation
5 recommendations on how to address pollution
asked by Suprise 
Algebra
The simple formula for the nth term of an arithmetic sequence is an = 4n + 16. What is the explicit formula corresponding to the simple formula?
asked by Help Please! 
Chemistry
At 103◦C, the pressure of a sample of nitrogen is 1.89 atm. What will the pressure be at 275◦C, assuming constant volume? Answer in units of atm
asked by Kyle 
statistics
. In his management information systems textbook, Professor David Kroenke raises an interesting point: “If 98% of our market has Internet access, do we have a responsibility to provide nonInternet materials to that other 2%? Suppose that 98% of the
asked by michel 
Math
A cafeteria manager needs to know how many apples and bananas to place in a cafeteria vending machine. He conducted a survey, and all students !@#$%^&spended chose either an apple or banana as their preferred fruit. The survey results show that 3/4 of the
asked by Jessica 
Math
At a banquet, the ratio of hot drinks to cold drinks was 5 to 3. A total of 400 drinks were served. How many were hot?
asked by Haylei 
early childhood
Name four child characteristics that might make a preschool child hard to identify as talented or gifted.
asked by betsy 
Chemistry
What is the molarity of an aqueous solution containing 27.3 g of glucose (C6H12O6) in 1.7 L of solution?
asked by Shawn 
Trigonometry  Cosine of angle
What is the cosine of the angle between two adjacent faces of a regular tetrahedron? (We define the angle between two intersecting planes as the angle between two intersecting lines, one in each plane, such that each line is perpendicular to the line at
asked by Knights 
physics
A positively charged particle of mass 5.20 108 kg is traveling due east with a speed of 30 m/s and enters a 0.37T uniform magnetic field. The particle moves through onequarter of a circle in a time of 4.20 103 s, at which time it leaves the field
asked by Anonymous 
math140
If 5 sweaters cost $66.35 how much would 8 sweaters cost?
asked by betsy 
Math
One week, Mrs. Peterson went to her health club on Monday, Wednesday, and Friday. Each day she went to the club, she jogged on the treadmill for 3/5 hour, lifted weights for 1/4 hour, and then cooled down by stretching for 1/4 hour. On Saturday, she rode
asked by Megan 
Calculus Vectors
I've come across this math problem and need help on working it out. Ropes 3 m and 5 m in length are fastened to a holiday decoration that is suspended over a town square. The decoration has a mass of 5 kg. The ropes, fastened at different heights, make
asked by Anonymous 
siyamkela
ways in which you critically discuss the impact of the lack of physical fitness and proper nutrition in the adolescent,on the teenager
asked by khanyi 
Busines Ethics
Imagine you are a salesperson.When does offering a gift,Such as basketball tickets,become a bribe rather than just a sales practis ?
asked by Lily 
math
solution of 24.15 divided by 15
asked by eliseo lacanaria 
Math
When You Add Fractions You Just Add Numerators And Denominators. true Or False
asked by Zhanise 
Calculus
A table of values for f,g,f′, and g′ are given in the table below: x f(x) g(x) f′(x) g′(x) 5 0 4 9 5 0 5 0 6 9 4 5 5 9 5 If h(x)=f(g(x)), find h′(5), If H(x)=g(f(x)), find H′(0)
asked by Travis 
maths literacy,biology,tourism,business studies
what possible careers could i get into with these subjects
asked by lisha 
7th Grade Language Arts
4. The Latin word alius means "other." Which of the following words contains this root? (1 point) alien alight alike alignment 5. The AngloSaxon root sla means "to strike." Which of the following words does not share this root? (1 point) slap slaughter
asked by Gabby 
math
How do I solve: 6x+4y>=80 6x+4y
asked by Bradley 
early childhood
What problems might nonEnglish speaking preschoolers encounter in their attempts to play with others?
asked by betsy 
early childhood
By six to twelve months of age an infant is a specialist in his own native language. Explain.
asked by betsy 
Please help me work it out!!! Maths
solve for x: ln(x^26x16)=5
asked by Seth 
Chemistry
What is the difference in molecular chemistry between silicone polymers and other polymeric materials?
asked by Violet 
early childhood
Name four elements of successful Englishlanguage leaner programs for preschoolers.
asked by betsy 
science
Pls how can I carry out qualitative analysis on iron 11 ammonium sulphate hexahydrate (NH4)2SO4.FeSO4.6H2O in a secondary school laboratory?
asked by jibaorex 
Algebra
Explain how to factor the difference of two squares.
asked by Mary 
polamar
order these fraction from least to greatest 3/4,2/3,7/10,5/6
asked by abby 
Math Statistical Concepts for Research
I am having trouble finding an article that incorporates research of confidence intervals to market a new product. I will need to Summarize the information and suggest if is it wise to go ahead and market the product. Do you any suggestions on a article I
asked by Tameika 
math
if 4/5 th strenght of a class is 80. what is the total strength of a class?
asked by vaidehi 
math
A bourbon that is 51proof is 25.5% alcohol by volume while one that is 82proof is 41% alcohol by volume. How many liters of 51 proof bourbon must be mixed with 1.0L of 82 proof bourbon to produce a 66 proof bourbon? Give answer to three decimal places.
asked by Lorie 
chemistry
if 6.00g of CH4 was completely combusted in 15.00g of O2. How much H2O and CO2 will be produced?
asked by Anonymous 
grade12 life orintation
which 5 ways you critically discuss how lifestyle disease/behaviour impact on the teenager (cancer)
asked by Lisa 
life orientation
in 1015 lines critically discuss 5 ways in which hiv and aids impacts on the community
asked by marubini 
geometry
if the midpoints of the sides of a parallelogram in succession are joined, the quadrilatral formed is a a parallogram. Prove this theorem in euclidean geometry using analytic techniques
asked by denise 
Math
An airplane is flying at a velocity of 300km/h S30degW in a wind blowing at a velocity of 50km/h S20degE. What is the true speed and direction of the plane?
asked by Richard 
chemistry
t 103 ◦ C, the pressure of a sample of nitrogen is 1 . 89 atm. What will the pressure be at 275 ◦ C, assuming constant volume? Answer in units of atm
asked by Kyle 
Math
A tea company is making a special blend of two teas for aa customer. The ratio of Kenyan tea to Darjeeling tea in the blend is 4 to 5. How much Darjeeling tea is in 90 ounces of the blend?
asked by Jessica 
math
please check to see if I have this right. Divide and simplify to lowest terms. 2x^28x/5x8 x4/5x8
asked by Michael 
stats.
In a transportation study of 20 large cities, it was found that the mean of the number of cars per person was 0.504. (Some of the people in the city are children.) The study also stated that the standard deviation s was 0.123. Find a 95 % confidence
asked by chris 
help
If you triple 4 and subtract 2 each day, how many days until you have zero?*
asked by becky 
english
the couple ordered ___ for hors d'oeuvres at the wedding a)pumpkin pie b)cake c)soup d)stuffed mushrooms?
asked by mike 
English
Pretend you are a modern social worker, educator, environmentalist, or military advisor to the president. Attack an evil you see the work by writing an ironic proposal and the proposal have to be outrageous
asked by John 
Physics
A laser beam is being shot through two different materials that have been stuck together. if theta 1 = 65.5 and theta 2 = 49.8 what is the index of refraction? (I got 1.2 which is correct) but cant get part 2 PART 2~ If the index of refraction of n3 is
asked by Zach 
closure propery
Is this set closed under multiplication {1, 0, 1}
asked by luckybee 
MATH
I have a test in about an hour and a half and am having some difficulty on the review the teacher gave us to help us prepare. Any help would be great! *Convert the polar equation to a rectangular equation. rsin(theta  Pi/4) =5 The answer is given as y=
asked by Daisy 
economics
determine the relevance of taxation to Nigerian government. outline the difficulties encountered by tax collectors in nigeria.
asked by jolomi 
physics
A man of mass 78.5 kg walks down the aisle of an airplane at a speed of 1.40 m/s in the forward direction while the plane moves at a speed of 320 m/s relative to the earth. (a) Find the man's kinetic energy relative to the plane. (b) Find the man's kinetic
asked by Help 
Precalculus with Trigonometry
Draw and solve any triangles satisfying alpha = 20 degrees b = 10 c = 16
asked by Natalie 
Math
When Multiplying Rational Numbers You Count The Numbers Of Decimal Place Values In The Fact. True Or False
asked by Zhanise 
Science
How does heart rate increase? Does it double? Does it increase with the intensity of the workout? I already know the background of heart rate but have trouble with the questions above.
asked by sarah 
math
subtract 27 8/9 from 59 5/12 and reduce your answer to lowest terms.
asked by tim 
math
the sum of the lengths of any two sides of a triangle must be greater that the length of the third side. what are the possible valuse of x for this triangle. if the sides are (x+5)cm, and (3x)cm, and 40cm
asked by mandie 
chem
4.25 g. of zinc hypochlorite is dissolved in 215 ml. of water. what is the molarity of the solution
asked by yosick 
Please help me here!!! Maths
Isolve for x: ln(x^26x16)= 0 . help me beacuse I do not have the idea to work it out.
asked by Seth 
math
a family walked 15 miles in one day . at that rate how many would they travel in 5 days? make a table to show your work
asked by jill 
Precalculus with Trigonometry
What values of theta between 0 and 2pi solve the following equation? sin squared (2theta)sin(2theta)2=0 NOTE: if you choose to plot this, a good WINDOW is (0,2pi) x (3,3).
asked by Natalie 
Physics
A positively charged particle of mass 5.60 108 kg is traveling due east with a speed of 60 m/s and enters a 0.49T uniform magnetic field. The particle moves through onequarter of a circle in a time of 1.20 103 s, at which time it leaves the field
asked by Don 
philosophy
I am to identify a film, television show, or other form of media art that involves cahracters/narrators reflecting upon the nature of identity and self. I want to write about Sex and the City. i was wondering do you think this would be a good topic. The
asked by angela 
grade12 LO
describe the lifestyle disease/behaviour of cancer and mention 5 factors that contribute to the disease/behaviour of cancer
asked by lisa 
algebra
For problems 13 and 14, assign each letter and a blank space to a number as shown by the alphabet table below. Use the code [1,2_3,7] encode the phrase "ONE QUESTION TO GO" The matrix C=[1,2_3,7] was used to encode a phrase to
asked by lee 
math
There are 12 girls in one of the fifth grade classes. The number of girls is twothirds the number of boys, b. The number of boys can be found using the equation 2/3b=12. How many boys are in the class?
asked by Anonymous 
Chemistry
What is the difference in molecular chemistry between silicone polymers and other polymeric materials?
asked by Violet 
Math
A catalog company sells two styles of kitchen towels, plain and stiped. In order to have the correct numbers of each style in stock, the purchasing department studied recent orders. These orders showed that the ratio of plain towels to total towels sold
asked by Angeles 
Algebra
What is the correct factorization of x^2(x8)+5(8x)?
asked by Mary 
physical
Rank the following 3 classes of materials in order of increasing typical Young's Modulus: metals such as copper, plastics such as HDPE (high density polyethelene), and ceramics such as alumina (Al2O3). Do not look up the values of Young's Modulus, instead
asked by Anonymous 
Discrete Math
8 trophies can be awarded to 30 people in how many different ways
asked by Ron 
math 140
Use differences to find a pattern in the sequence. 1,1,11,36,81,151,251 Assuming the pattern continues, the eight term should be.
asked by betsy 
physics
Three different forces produce the same displacement: the vector Delta(r) starts at the left edge of your computer monitor and the tip points to the right edge of your monitor in a horizontal orientation. The first force has a magnitude of 10 N and it is
asked by Jamie 
English
_____ do you think will be the winner of the next election? a. Who b. Whom
asked by Jac 
early chilhood
If an early childhood teacher were to learn a second language along with learning Standard English, what language should it be?
asked by betsy 
Maths
Find the value of x: (2x1)/(x+1)=2x/(x1)(5/x)
asked by Seth 
math
A plane travelling a velocity of 100km/h to south encounters aside wind blowing at 25km/h to the west what is its velocity to an observer on the ground?
asked by mussa 
chemistry
While doing a titration lab to determine concentration of hydrogen peroxide what is the purpose of using an acid to dilute th H2O2?
asked by missy 
Math
Factor the trinomial completely. y to the 2power minus 2x minus 3=
asked by ReRe 
math
sunita is 5year older than kavita the sum of thair age after 10 year will be 55year their present age is kavita 15 year and sunita 20 year how?
asked by vaidehi 
Maths
The dimensions of rectangle B are twice the dimensions of rectangle A. The area of rectangle B is 200 cm2. What is the area of rectangle A?
asked by Sanya 
Chemistry
What is the difference in molecular chemistry between silicone polymers and other polymeric materials?
asked by Violet 
7th Grade Language Arts
The word simulation originally refers to the act of imitating. What meaning of the word is used in this excerpt from "What Makes Teens Tick?" "In an experiment using a drivingsimulation game, he studied teens and adults as they decided whether to run a
asked by Gabby 
Please Help work it out! LOGARITHM
log4(3x7)^2=10. I have no idea in working it out.
asked by Seth 
Math
A drama teacher needs to make 6 costumes for dancers in a play. Each costumes takes one and a half meters of cloth.The cloth is sold only by the yard.What is the best estimate of the number of yards the teacher must buy to make sure she has enough cloth
asked by Sunny 
Calculus
If the derivative can be thought of as a marginal revenue function for x units (in hundreds of items) sold, and the revenue for a company is given by the function. R(x) = 30x^3  120x^2 + 500 for 0 _< x _< 100, a. Sketch the graphs of the functions R(x)
asked by Wiz 
phyiscs
In a nuclear power plant, _
asked by Anonymous 
math
A survey of cat owners showed that 3 our of 16 owners got their cats from animal shelters. Of thee 80 cat owners surveyed, how many did NOT get there cats from shelter?
asked by Jamiey 
physics
a toy moves on a horizontal surface with a speed of 3m/s.it makes 8 turns in 5 seconds,whats the diameter of the wheel?
asked by erassy 
history
Who was the 32nd and 18th president of the United States?
asked by mathwiz 
math helpemergency
I've been trying this alooot of times and couldn't get this answer in the book : 4(x1)(2x+1) This is the problem: 9x^2(x+2)^2
asked by Didiiiiiiiiiiiiiiiiiii 
Math
Ignoring the walls’ thickness, determine the outside dimensions that will minimize a closed box’s cost if it has a square base and top, if its volume is 32 cubic meters, and if the cost per square meter for the top, bottom, and sides respectively are
asked by Sunny 
Math
Ignoring the walls’ thickness, determine the outside dimensions that will minimize a closed box’s cost if it has a square base and top, if its volume is 32 cubic meters, and if the cost per square meter for the top, bottom, and sides respectively are
asked by Sunny 
math
If a cylinder’s height is four times its radius, if the cyclinder’s volume (ignoring the metals’ thickness) is 1000 cubic centimeters, and if the radius and hence the height could be in error plus or minus .2325%, determine the relative percentage
asked by Anonymous 
math
2a2+5a25=0
asked by tyler 
algebra
If a pendulum is 30 feet long what is the period of the pendulum in seconds with function l = 0.81t^2
asked by mike 
Geography
Why did East Pakistan feel discriminated against by west Pakistan
asked by James 
chemistry
How much water must be added to 440. mL of 0.204 M HCl to produce a 0.139 M solution? (Assume that the volumes are additive.)
asked by mary 
Math
When Subtracting A Negative Number You Move Left On the Number Line. True Or False
asked by Zhanise 
Algebra
I have one question I really need help with. I know the partial sum process but my numbers don't seem to come out to what I think it should be. Find the partial sum S6 1. An=3n+2
asked by Jess 
calculating range
calculating the range of 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16 Is the range 160 =16
asked by luckybee 
chemistry/science
What are the groups of atoms inside iron called?
asked by jo 
Math
 1/4 Is Greater Than 8
asked by Zhanise 
maths
a trust fund has rs30000 that must be invested in two diferent types of bonds.the first bond pays 5% and second 7% interest per year. using matrix multiplication determine how to divide rs 30000 among two types of bonds if the trust must obtain na annual
asked by edward 
math
Which number makes this inequality true? 5•9
asked by Devan 
chemistry
What will be the final pH value if you mix 50ml HCl (aqueous solution, pH=0.5) and 40ml NaOH (aqueous solution, pH=12). Hint: convert pH value to concentration of acids/base, then consider the neutralization reaction, then find out the resulting pH value.
asked by Anonymous 
physics
The ion source in a mass spectrometer produces both triply and quadruply ionized species, X3+ and X4+. The difference in mass between these species is too small to be detected. Both species are accelerated through the same electric potential difference,
asked by Anonymous 
Chemistry
A mixture is prepared by adding 0.25 L of 2.5 x 10^3 M MgCl2 (aq) to 0.20 L of 0.010 M H2CO3 (aq). Does a precipitate form when the two solutions mix?
asked by Shelly 
Chemistry
How do I calculate the moles of each element in 0.303 mol water?
asked by Anonymous 
Life orientation
Ways in which the human or ennvironmental problem impacts on the community.
asked by Shirley 
Math
Mr.Algieri Needs 4 1/2 Yds Of Dirt For A Planting Job. The Gravel Yard Sells A Yard Of Dirt For $ 27.95. How Much Will It Cost Mf. Algieri For The Dirt? If Mr. Algieri Has $ 125.00 To Pay For The Materials, Does He Have Enough Money?
asked by Zhanise 
Statistics and Research Methods
Walk me through the steps of answering these question in reference to the word problem. In fictional study, a pretestposttest design was used to examine the influence of a television program on children's aggressiveness. The number of aggressive responses
asked by DrewS 
Physics
The magnification of an object 2km tall where placed in 150m in front of a plane mirror is ?
asked by Omonayin Isreal 
math
1/3and2/3 of the property costs 600 and 1200 respectivly what is the cost of total property
asked by vaidehi 
Chemistry
Okay so I'm having a brainfart here. I'm doing a titration problem and have got to the point of: 3.6x10^9 = (.01218x)/(x)(.00316+x) I don't know how to proceed from there and use the quadratic formula as silly as it sounds. Any help would be appreciated!
asked by Megan 
Accounting
1. Complete Problem 14.1 on page 279 of the course text (solution is on page 501502). Next, work the problem again using the following variables: project yield annual net cash inflows are $10,500 for the next five years; interest rate of 16.5%, and the
asked by Nicole 
Economics
Normally, higher interest rates in a country cause the ___ for that country's currency to increase as money flows to the higher interest rates. This depends on the perceived ___. For the first blank I have "demand", but I'm not sure about the second blank?
asked by Julie 
Math
Collision insurance is insurance that safeguards the owner of the vehicle from damages that occur from vandalism, weather, or theft. A. True B. False
asked by jessica 
Physics
I am trying to help my step son who missed half of physics class due to a funeral. A laser beam is being shot through two different materials that have been stuck together. if theta 1 = 65.5 and theta 2 = 49.8 what is the index of refraction? (I got 1.2
asked by Chad 
abc
Alice, Bob, Candice and David run for school president. There are 201 students in the school and each student can vote for only one candidate. The person with the largest number of votes is the winner. If every student votes, what is the minimum number of
asked by Anonymous 
math
will smeone please help me solve this question. Simplify the expression. Write your answer in the lowest terms ans leave it in factored form. __3y__ + ___4__ y(4y1) 4y1
asked by Michael 
math
will someone check to see if I have this question correct please. divide and simiplify to lowest terms. __2x^28_ divided by __x4__ 5x8 5x8
asked by Michael 
christian religious knowledge
repentance is necessary condition for forgiveness to take place. explain this statement with reference to the life of david
asked by jolomi 
cars
Which one of these statements is true about a "bumpertobumper" warranty.
asked by Anonymous 
Precalculus with Trigonometry
Prove or disprove the following Identities: cos(x)  sin(x) = cos(x) + sin (x) sin raised to the 4 (theta)  cos raised to the 4 (theta) = sin squared (theta)  cos squared (theta) cos (x+(pi)/(6)) + sin (x  (pi)/(3)) = 0 cos(x+y)cos(xy) = cos squared
asked by Natalie 
Math
If There Are 3 Runners On The Track And Runner 1 Has Done 3 1/2 Laps, Runner 2 Has Done 4 3/4 Laps And Runner 3 Has Done 2 1/8 Laps, How Many Laps Have All 3 runners Done Combined?
asked by Zhanise 
health
imagining potential negative big events is one way that a person can manage his or her stress. to help with this, one should
asked by Anonymous 
math
. A clothing store has everything on sale for between 10% and 40% off. This can be represented by the system of inequalities shown below, where y is the amount of discount and x is the cost of the clothing item.
asked by hyzeem banks 
Math
There Is 3/4 Of Class 218 Going To Art And 1/8 Going To Gym. The Rest Of The Class Is Going To Computer Class. What Fraction Of The Class Is Going To Computers ?
asked by Zhanise 
math
find the value of x in the equation 6x +4(70x)=300
asked by jean 
science
Convert 32 newtonmeters to Joules. Please help!
asked by Cherie 
Math
Write an expression for 5 and m more
asked by Isa 
math
what percent of 6,350 is 1,397?
asked by sarah 
Discrete Math
If n is a positive integer and n > 1,prove that (n) + (n1) is a perfect sq (2) ( 2 )
asked by Ron 
Math
Prove by induction : if n < =(2^k) 1 then we can find the number with k guesses
asked by Steve 
chemistry
What is the concentration when 60.0 mL of a 9.00 M HCl solution is diluted to 1.170 liters? and how do you solve this problem?
asked by katie 
algebra word problem
To remodel a bathroom a contractor Charles $25 er hour plus material costs, which amount to $3825. Therefore, the total cost to remodel he bathroom is given by f(x)=25x+3825 where x is the number of hours the contractor works. Find a formula for f^1(x).
asked by Anonymous 
english
CHANGE TO PASSIVE VOICE;MY SISTER SPEAKS THREE DIFFERENT LANGUAGES QUITE FLUENTLY
asked by Anonymous 
Please solve it for me!! Please...Maths
x^26x+1=(3x+5)/2
asked by Seth 
mechanics
A space aircraft is launched staight up.The aircraft motor provide aconstant acceleration for 10 second ,then it stops.the aircraft's altitude 15 second after launch is 2 km.ignore air friction.what is the acceleration and the maximum speed reached in
asked by shone 
english/writing
how can i write this sentence in a different way The Scarlet Letter was one of the first massproduced books in the United States upon its release in 1850, and it received much praise and criticism for the novels supposed morbidity.
asked by Sarah 
Math (Combinatorics)
A newly designed international airport is planning to label its gates. Each gate must be assigned a letter from the alphabet from A to M (13 in all), and a number from 1 to 15. To avoid confusion, any two gates must be assigned a different letter, or a
asked by Chandler 
median and mode
What is the median of this set of numbers 85,48,75,36,55
asked by Ella 
math
how do i find the diameter of a circle c=44
asked by Karen 
Math Partial Fractions
Decompose the following into partial fractions after factoring the denominator as much as possible. Please show some work so I can understand how you did it. 1)x^2/((x1)(x^2+5x+4)) 2)(3x^35x^2+12x+4)/(x^416) 3)1/(x^2 (x+1)^2 ) 4)(x+1)/((x^2+1)
asked by Chris 
English
Any drinks that start with Q? Doing this thing for school where we have 10 topics and 1 of them is drinks and I cant think of a drink that starts with Q. Name things of that topic from AZ of the alphabet
asked by Anonymous 
Math
All Even Numbers Are To The Right Of Zero On A Numberline. True Or False
asked by Zhanise 
Math
SCR, Short Constructed Response, What Does S.S.S Stand For ?
asked by Zhanise 
math 140
45z=19
asked by betsy 
Math
Find the dimensions of a rectangular cover plate if its length is 8 inches longer than its width if its parameter is 60 inches(Hint:P=2L=2W)
asked by Monica 
Math
Prove by induction : if n < =(2^k) 1 then we can find the number with k guesses
asked by Steve 
Math
Prove by induction : if n < =(2^k) 1 then we can find the number with k guesses
asked by Steve 
Discrete Math
If n is a positive integer and n > 1, prove that (n over 2)+ (n1 over 2) is a perfect square.
asked by Ron 
Math
13% of what number is 16.25?
asked by Kaiden 
stats
given n=74 an x=32.find ^p and ^q
asked by Chris 
math
5 seamstresses can make shirts in 3 days so how many can 7 make in 10 days??
asked by Anonymous 
Math
Factor the trinomial completely. y to the 3rd power minus 14y to the 2nd power plus 48y
asked by ReRe 
foundations of algebra
if 950 watts gives a 164 mile radius, how much power is needed to get a 150,000 square mile area?
asked by james 
Math
The Additive Inverse Of 7 Is 7. True Or False
asked by Zhanise 
law
legal meorandum
asked by Anonymous 
civic education
ways you as an individual can improve your personal relationship between 2 weeks
asked by jolomi 
Math
Always Line Up Decimal Points When Adding Rational Numbers. True Or False
asked by Zhanise 
art
Which aesthetic judges art on how well it expresses feelings moods and ideas
asked by Anonymous 
Math
3 4/5 = 5*3+4/5. True Or False
asked by Zhanise 
Math Stem and leaf plots
Stem Leaf 2 9 3 6 6 7 8 9 4 4 5 5 7 9 5 1 4 9 6 1 3 5 Between what numbers are most of the points earned? 6
asked by Jerald 
math
solve and check your answer. Please check this for me to see if I have the right answer. __2__ = __3__ 1x 1+x x= 1/5
asked by Michael 
math 140
7(3x+9)+(x+3)=11
asked by betsy 
Math
(8)*7
asked by Zhanise 
math
Roger has three employees who earn $500, $550, and $700, respectively. how much does Roger owe for SUTA and FUTA in the first weeks? Assume a SUTA rate of $5.3% and a FUTA rate(after the company's credit for state unemployment tax) of .8%
asked by tim 
science
Does a rollercoaster have its greatest GPE at the top of the tallest hill or the bottom of the lowest dip?
asked by Anonymous 
algebra (f°g) problem
Find (f°g)(2) when f(x)=5x+9 and g(x)=1/x Thank you!
asked by Anonymous 
science
if aluminum has the density of 2.7g what would the mass be?
asked by Brandon 
Math Statistical Concepts for Research
what is repeated sampling?
asked by Tameika 
Please Help work it out! Maths
(2x1)/(x+1)=2X/(X1)+ (5/X)
asked by Seth 
Please Help!!!! Maths
X^26X+1=(3X+5)/2
asked by Seth 
Math
(8/8)(6/8+1/8)=
asked by Zhanise 
Math
4 * (6)
asked by Zhanise 
math
4xsquared=32
asked by sally 
Please Help work it out! Maths
1/(X2)=3/(X+2)(6X/(X^24)
asked by Seth