Questions Asked on
October 2, 2012

Physics
A turbine is spinning at 3600rpm . Friction in the bearings is so low that it takes 11min to coast to a stop. How many revolutions does the turbine make while stopping?
asked by Nami 
ENGLISH
Briefly describe Poe’s requirements for the short story genre.
asked by Anne 
physics
An Alaskan rescue plane traveling 42 m/s drops a package of emergency rations from a height of 117 m to a stranded party of explorers. The acceleration of gravity is 9.8 m/s2 . Where does the package strike the ground relative to the point directly below
asked by Anonymous 
physics
A boat moves through the water with two forces acting on it. One is a 2100. N forward push by the water on the propeller, and the other is a 1600. N resistive force due to the water around the bow. (a) What is the acceleration of the 1200. kg boat? (b) If
asked by lib 
Physics
Whenever two Apollo astronauts were on the surface of the Moon, a third astronaut orbited the Moon. Assume the orbit to be circular and 160 km above the surface of the Moon, where the acceleration due to gravity is 1.42 m/s2. The radius of the Moon is 1.70
asked by Kristen 
physics
(a) One blade of a pair of scissors rotates clockwise in the xy plane. What is the direction of for the blade? into the xy plane out of the xy plane clockwise counterclockwise (b) What is the direction of if the magnitude of the angular velocity is
asked by zina 
accounting
18. Balance sheet and income statement data indicate the following: Bonds payable, 6% (issued 2000, due 2020) $1,200,000 Preferred 8% stock, $100 par (no change during the year) 200,000 Common stock, $50 par (no change during the year) 1,000,000 Income
asked by shannon 
physics
Please help! Two charges are placed on the x axis. One of the charges (q1 = +8.71C) is at x1 = +3.00 cm and the other (q2 = 28.6C) is at x2 = +9.00 cm. Find the net electric field (magnitude and direction given as a plus or minus sign) at (a) x = 0 cm and
asked by alex 
physics
An object is launched horizontally from a cliff. The cliff is 80m high and the object has an initial velocity of 50m/s. Find the initial x and y velocity and the final x and y velocity
asked by Mike 
Finance
Metallica Bearings, Inc., is a young startup company. No dividends will be paid on the stock over the next nine years because the firm needs to plow back its earnings to fuel growth. The company will pay a $14 per share dividend in 10 years and will
asked by Jenna Fray 
English 4
A recurring theme in literature is the transient nature of the world and life. Provide two ways in which this theme is expressed in AngloSaxon and medieval literature.
asked by Monica 
Language Arts
Read the following passage from Harriet Tubman: Conductor on the Underground Railroad: She lifted the gun, aimed it at the despairing slave. She said, “Go on with us or die.” The husky, lowpitched voice was grim. What is the effect of Petry’s
asked by Anonymous... 
Math
A base ball diamond is square. The distance from home plate to first base is 90 feet. In feet, what is the distance from home plate to second base? (1 point) 127 81 19 13
asked by Sunbird 
chemistry
Nitric acid reacts with silver metal: 4HNO3 + 3Ag > NO + 2H2O + 3AgNO3. Calculate the number of grams of NO formed when 10.8 g of Ag reacts with 12.6 g HNO3
asked by Bob 
chemistry
A piece of a newly synthesized material of mass 25.0 g at 80.0 ◦ C is placed in a calorimeter containing 100.0 g of water at 20.0 ◦ C. If the ﬁnal temperature of the system is 24.0 ◦ C, what is the speciﬁc heat capacity of this material?
asked by Austin 
chemistry
How much heat is required to heat 28 g of solid silver from 130 ◦ C to liquid silver at 961 ◦ C? The speciﬁc heat of solid silver is 0.235 J/g · ◦ C, and the heat of fusion of silver at its melting point of 961 ◦ C is 11.3 kJ/g. Answer in units
asked by Austin 
math
Ted's patio is the shape of a right triangle. Tell how he should determine the area of the patio.
asked by Yog 
Science
Q16: A clear plastic cube with exactly the same index of refraction as water, is placed in a container of water. Would you be able to see the plastic cube in the water if you looked at it from an angle? Please explain why or why not.
asked by Anonymous 
Physics
7. A cyclist is travelling with a speed of 12.0 m/s when she applies the brakes. After slowing for 3.0 s, her speed has been reduced to 4.0 m/s. (a) What distance does she travel during this time? (b) What is her acceleration? (c) If she continues braking,
asked by Anonymous 
math
write each decimal in standard form, expanded form, and word form. 12+0.2+0.005
asked by shion 
Math
Elizabeth visits her friend Andrew and then returns home by the same route. She always walks 2km/h when going uphill, 6km/h when going downhill and 3km/h when on level ground. If her total walking time is 6 hours, what is the total distance she walks in
asked by Fran 
math
Each week, Bart earns a base rate of $85 and a commission on each dollar of merchandise he sells. If Bart sells $3600 in one week and c represents the commission percentage, which algebraic expression represents his earnings for that week? would the answer
asked by jill 
7th grade social studies
1. In 1300, the Holy Roman Empire included parts of all the following modern countries EXCEPT (1 point) Italy. France. Spain. Germany. My answer is 1. Germany Is this correct?
asked by Delilah 
Chemistry
A chemist is preparing to carry out a reaction at high pressure that requires 36.0 mol of hydrogen gas. The chemist pumps the hydrogen into a 15.5L rigid steel container at 25 degrees Celcius. To what pressure (in atmospheres) must the hydrogen be
asked by Heather 
chemistry
Write the formulas of the compounds formed Pb+4 with the following anions:OH, NO3 , CO3(2), HSO4 , PO4{3} . Use the given order of anions.
asked by shay 
math
Jon begins jogging at a steady 3m/sec down the middle of lane one of a public track. Laura starts even with him in the center of lane two but moves 4m/sec. At the instant they begin, Ellie is located 100 meters down he track in lane four, and is heading
asked by Shelby 
Finance
Keenan Co. is expected to maintain a constant 3.8 percent growth rate in its dividends indefinitely. If the company has a dividend yield of 5.6 percent, what is the required return on the company’s stock?
asked by Jenna Fray 
Science
An American Red Cross plane needs to drop emergency supplies to victims of a hurricane in a remote part of the worlds. The plane is traveling horizontally at 100.0m/a at a height of 50.0 above the ground.What horizontal distance does the package travel
asked by Anonymous 
Chemistry
A 5.00L reaction vessel contains hydrogen at a partial pressure of 0.588atm and oxygen gas at a partial pressure of 0.302atm. The equation is 2H2(g)+O2(g)> 2H2O(g). Suppose the gas mixture is ignited and the reaction produces the theoretical yield of the
asked by Heather 
math
Felipe has saved $625. He is starting a parttime job that pays him $150 a week, and he plans to save all of the money he earns. Which algebraic expression represents Felipe's total savings after x weeks? A.625x + 125 B.775x C.150x + 625 D.125x  650 is it
asked by ash 
math
A cell phone company charges each customer a base rate of $15.00 per month for its services. The company also charges each customer $0.02 per minute used. Which algebraic expression represents each customer's monthly charge for m minutes? A.15 (0.02m) B.15
asked by ash 
Chemistry (Internal Energy)
5 kg of steam contained within a pistoncylinder assembly undergoes an expansion from state 1, where the specific internal energy U(1) is = 2710 [kJ/kg] to state 2, where U(2) = 2660 [kJ/kg]. During the process, there is heat transfer to the steam with a
asked by Simon 
Math
A drawer has 10 pairs of gloves. If I grab 5 gloves at random, what is the probability that I pick at least one matched pair? What is the probability that I pick at least one right glove and one left glove?
asked by Genie 
College Chemistry
how do i calculate the moles of Na2CO3 present in the original 25.00mL aliquot of carbonate solution?? the tared mass of Na2CO3 is 1.5179g
asked by Anonymous 
Science 8R  Help!
Describe "Water Displacement". Give an example from everyday life.
asked by Laruen 
chemistry
what is the lewis dot structure for BN
asked by shay 
physics
An Alaskan rescue plane traveling 42 m/s drops a package of emergency rations from a height of 117 m to a stranded party of explorers. The acceleration of gravity is 9.8 m/s2 . Where does the package strike the ground relative to the point directly below
asked by Anonymous 
calculus
A plane flying horizontally at an altitude of 1 mi and a speed of 560 mi/h passes directly over a radar station. Find the rate at which the distance from the plane to the station is increasing when it is 2 mi away from the station. (Round your answer to
asked by Anonymous 
Math
If the length of the hour and the minute hands of a clock are 4 cm and 6 cm, respectively, what is the distance in cm between the tips of the hands at two o'clock?
asked by Sammy 
Math
4 ^ (3x–1) = 1.5625 × 10 ^(–2)
asked by Carolina 
Physics
Stephanie serves a volleyball from a height of 0.85 m and gives it an initial velocity of +6.6 m/s straight up. How high will the volleyball go? The accel eration of gravity is 9.81 m/s2. Answer in units of m
asked by Lily 
Chemistry (Insulated Vessel, temperature and vol.)
Insulated vessel has two compartments separated by a membrane. One side is 1 kg of steam at 400 C and 200 bar. The other side is evacuated. The membrane ruptures filling the entire volume. The final pressure is 100 bar. Determine the final temperature of
asked by Simon 
accounting
A review of the ledger of Terrell Company at December 31, 2012, produces these data pertaining to the preparation of annual adjusting entries. 1. Prepaid Insurance $18,279. The company has separate insurance policies on its buildings and its motor
asked by julie 
Math
Which statement illustrates the additive identity? a)3+0=3 b)33=0 c)3*0=0 d)3*1=3
asked by Chris 
pprecalc
a windshield wiper on a a plymouth acclaim is 20 in. long and has a blade of 16in long. if the wiper sweeps through an angle of 110 degree, how large an area does the wiper blade clean?
asked by greeny 
math
A miniaturedoll collector has a total of 254 unique dolls. The collector can afford to add 3 unique dolls a week to the collection. Which algebraic expression represents the number of unique pieces the collector has at the end of w weeks? would the answer
asked by ash 
Chem.
In 1928, 1.0 g of Re was isolated from 660 kg of the ore molybenite. The percent by mass of this element in the molybenite was: 1.5 x 10 ^4 % How to set this up, given that 600 kg equals 660,000 g. And Avogadro's number 6.022x10^23?
asked by Anonymous 
physics
A 7600 rocket blasts off vertically from the launch pad with a constant upward acceleration of 2.25 and feels no appreciable air resistance. When it has reached a height of 560 , its engines suddenly fail so that the only force acting on it is now
asked by Anonymous 
chemistry
Identify the following molecules as polar or nonpolar. 1. H2S 2. PBr3 3. SiCl4 4. SO2
asked by shay 
math
Consider the function f(x)=x^3+4x^2+kx4. The remainder from f(x)/(x+2) is twice the remainder from f(x) / (x2). Determine the value of k
asked by Melissa 
math
roberto paid $43.08 for 3 CDs. all 3 CDs were the same price. How much did each CD cost?
asked by Taylor 
physics
A rock climber stands on top of a 56m high cliff overhanging a pool of water. He throws two stones vertically downward 1.0s apart and observes that they cause a single splash. The initial speed of the first stone was 2.5(m/s) How long after the release of
asked by Nicole 
chemistry
The enthalpy of combustion of benzoic acid (C6H5COOH) which is often used to calibrate calorimeters, is −3227 kJ/mol. When 1.402 g of benzoic acid was burned in a calorimeter, the temperature increased by 3.401 ◦ C. What is the overall heat capacity of
asked by Austin 
PHYSICS
A car is safely negotiating an unbanked circular turn at a speed of 29 m/s. The road is dry, and the maximum static frictional force acts on the tires. Suddenly a long wet patch in the road decreases the maximum static frictional force to oneninth of its
asked by Lindsay 
Maths
The ratio of the number of cheesecakes to the number of mango cakes was 3:2. After Baker Lam sold 144 cheesecakes, the ratio became 3:5. A) How many cheesecakes did Baker Lam bake at first? B)Baker Lam decided to deliver the remaining cakes to 4 charity
asked by Daniel 
math
An art collector buys 6 pieces a year for y years before donating 27 pieces to a museum. Which algebraic expression represents the number of pieces the collector still has in her possession? would the answer be 6y  27?
asked by ash 
3rd Grade Math
There are 25 students in Mrs. Roberts 3rd grade class. There are 9 more boys than girls in the class. How many boys and girls are in Mrs. Robert's class? How can I explain this to my 8yr old in 3rd grade? I've got myself so confused in the process of
asked by Lisa 
algebra
Three girls paid $100 each, a total of $300, to share a motel room. Later, the desk clerk realising she should have only charged $250, gives the room attendant $50 and asks him to return it to the three girls. Unable to divide the money three ways he
asked by Anonymous 
literature
I have 4 questions left that I cannot find the answers for . Any help would be appreciated . The story is The Hound of the Baskerville. Who is coming to take over the manor? Why doesn't Dr. Mortimer want him to go? How does Holmes know that Dr. Watson
asked by anonymous 
physics
A 7600 rocket blasts off vertically from the launch pad with a constant upward acceleration of 2.25 and feels no appreciable air resistance. When it has reached a height of 560 , its engines suddenly fail so that the only force acting on it is now
asked by Anonymous 
math
mr. and mrs. blank sold their house for $200000 and needed to hire an attorney to handle the closing procedures. attorney mr. gable charges a flat rate of $2500. attorney ms. mandel charges 1 1/2% of the cost of the house. which attorney would be cheaper
asked by Taylor 
maths
A coin is biased so that a head is twicw as likely to occur as a tail. Suppose the coin is tossed three times. What is the probality of getting at exactly two tails
asked by Washington 
Finance
Suppose you know that a company’s stock currently sells for $54 per share and the required return on the stock is 9 percent. You also know that the total return on the stock is evenly divided between a capital gains yield and a dividend yield. If it’s
asked by Jenna Fray 
physicss
A 0.005kg bullet is fired at 400m/s straight into a stationary 1.0kg block of wood. The bullet exits the far side of the block and continues on the same straight line. The block also moves off in this same direction with a velocity of 1.2m/s. Calculate the
asked by taryn 
History
True or False: 1. A region near the ocean will be cooler than a region inland of the same latitude. 2. The tundra is an area of cold climate with lowlying vegetation. (true?) 3. The climate of highland regions gets colder and colder as you go higher.
asked by Emma 
American Government
A member of Congress who wants to act on what the majority of his or her constituency thinks on a particular issue would be advised to respond to which of the following indicators? A. letters from constituents B. the editorial positions of newspapers in
asked by Liz 
physics
A truck loaded with cannonball watermelons stops suddenly to avoid running over the edge of a washedout bridge (see figure). The quick stop causes a number of melons to fly off the truck. One melon rolls over the edge with an initial speed vi = 12.3 m/s
asked by Anonymous 
Chem.
Write the balanced equation given that Mg(ClO3)2 decomposes into chloride and oxygen: 2Mg(ClO3)2 > 2MgCl2 + 3O2 So if 0.302 grams of O2 is lost from 1.890 grams of a mixture of Mg(ClO3)2 and an inert material, what is the percentage of Mg(ClO3)2 in the
asked by Anonymous 
Math
the average for a grade on a test taken by 20 students was 75. When one more student took the test the class average became a 76. What score did the student make?
asked by Kaelyn 
Chemistry
How many mililiters of 4.45*10^2 M CuSO4 contain 4.05g of solute
asked by michael 
Math
Can someone help me to find two numbers the exact answer is between: 6 x 7,381
asked by DJ 
math
The volume of a rectangular box is (x^3+6x^2+11x+6) cm^3. The box is (x+3) cm long and (x+2) cm wide . How high is the box
asked by Melissa 
Physics
A car rounds a curve that is banked inward. The radius of curvature of the road is R = 109, the banking angle is θ = 25°, and the coefficient of static friction is μs = 0.24. Find the minimum speed that the car can have without slipping.
asked by Find the maximum speed that the car can have witho 
Physics
Two satellites, A and B, are in different circular orbits about the earth. The orbital speed of satellite A is thirtyfive times that of satellite B. Find the ratio (TA/TB) of the periods of the satellites.
asked by Jackson Kerr 
math
The Media cnter at Josh's school has a computer area. The first four rows have sixm computers. the fifth row has four computers. how many computers are there in all?
asked by tay tay 
Physics
A special electronic sensor is embedded in the seat of a car that takes riders around a circular looptheloop ride at an amusement park. The sensor measures the magnitude of the normal force that the seat exerts on a rider. The looptheloop ride is in
asked by Jackson Kerr 
BIOLOGY
Scientists observe a newly established population of sexually reproducing plants growing on the shore of a small island. An observable trait of the plant has two possible phenotypes. It is determined by a single gene, with the dominant allele having
asked by batmo 
chemistry
Calculate ΔG at 25°C for the precipitation of lead(II) chloride from mixing 100. mL of 0.025 M lead(II) nitrate solution with 100. mL of 0.15 M sodium chloride solution. The ΔG° for the reaction at 25°C = −27.36 kJ/mol. (Hint: write out reaction
asked by Ashley 
math
order the decimals from least to greatest 15.25, 15.2, 15.5
asked by shion 
Physics
A turbine spinning with angular velocity w_0 rad/sec comes to a halt in T seconds. Find an expression for the angle delta theta through which the turbine turns while stopping.
asked by Nami 
College math
in a circle of radius 7m, find the length of the arc subtended by a central angle of 42.0degrees
asked by Tamra 
Chemistry
Given a diprotic acid, H2A, with two ionization constants of Ka1 = 4.5× 10–2 and Ka2 = 5.2× 10–7. Calculate the pH and molar concentration of each protonated form for a 0.133 M solution of NaHA. Calculate the pH and molar concentration of each
asked by amanda1012 
American Government
The term "public opinion" is frequently used in reference to all of American society. This perspective is? A. accurate, since Americans are one people and indivisible B. less accurate than view of public opinion based on majority, since the political
asked by Liz 
math
Felipe has saved $625. He is starting a parttime job that pays him $150 a week, and he plans to save all of the money he earns. Which algebraic expression represents Felipe's total savings after x weeks? A.625x + 125 B.775x C.150x + 625 D.125x  650
asked by ash 
physics
A 0.005kg bullet is fired at 400m/s straight into a stationary 1.0kg block of wood. The bullet exits the far side of the block and continues on the same straight line. The block also moves off in this same direction with a velocity of 1.2m/s. Calculate the
asked by taryn 
chemistry
For each of the following bonds, indicate the positive end with \delta^{+} and the negative end with \delta^{}. Write an arrow to show the dipole for each. 1. SiCl 2. SeF 3. BrF 4. NH 5. NP
asked by shay 
Physics
In an automatic clothes dryer, a hollow cylinder moves the clothes on a vertical circle (radius r = 0.40 m), as the drawing shows. The appliance is designed so that the clothes tumble gently as they dry. This means that when a piece of clothing reaches an
asked by Jackson Kerr 
Uni Physics
A skier travelling at 13 m s1 reaches the foot of a steady upward 14° incline and glides 18 m along this slope before coming to rest. What was the average coefficient of friction?
asked by David Gia 
statistics
a manufacturer of bicycle tire has developed a new system which he claims an average life span of 5 years. with the standard deviation of 1.2 years a dealer product claims that the average life span of 150 samples is only 3.5 years. test the difference of
asked by jericho 
Uni Physics
The drawing shows a version of the looptheloop trick for a small car. If the car is given an initial speed of v = 4.7 m s1, what is the largest value that the radius r can have if the car is to remain in contact with the track at all times?
asked by David Gia 
math
I am a two digit number, twice the sum of my digits is 22. The product of my digits is 24.My tens digit is greater than my ones digitwhat number am I?
asked by Amber 
Physics
A satellite is placed in orbit 5.20 105 m above the surface of the planet Jupiter. Jupiter has a mass of 1.90 1027 kg and a radius of 7.14 107 m. Find the orbital speed of the satellite.
asked by Jackson Kerr 
chemistry
A 250.0 mL sample of an aqueous solution at 25 degrees Celsius contains 35.8 mg of an unknown nonelectrolyte compound. If the solution has an osmotic pressure of 11.25 mmHg, what is the molar mass of the unknown compound? a.) 237 g/mol b.) 484 g/mol c.)
asked by Bru 
physics
Some sliding rocks approach the base of a hill with a speed of 18.0 . The hill rises at 41.0 above the horizontal and has coefficients of kinetic and static friction of 0.420 and 0.570, respectively, with these rocks. Start each part of your solution to
asked by Anonymous 
Chemistry
How do I start an ICE table from the following information: BrCl3(g)+ Cl2(l) > BrCl5(g) where Kp=7.8*10^6 and there is originally 0.215 atm BrCl3, 725g Cl2, 0.115 atm BrCl5  Can pressures be used as initial concentrations?
asked by Ken 
math
there are 100 apples in a bag and 43 are red and the rest are green, what percentage of the apples are green
asked by raven 
chemistry
The enthalpy of combustion of benzoic acid (C6H5COOH) which is often used to calibrate calorimeters, is −3227 kJ/mol. When 1.402 g of benzoic acid was burned in a calorimeter, the temperature increased by 3.401 ◦ C. What is the overall heat capacity of
asked by Austin 
math
Katie had a pack of twenty four cards numbered 1 24. She arranged the cards into 6 piles. No more than 2 piles had the same number of cards the numbers on the cards in each pile added to the same total. What was the total and how could this be solved
asked by Tricia 
AP Physics
A bullet of mass 0.0022 kg moving at 568 m/s impacts a large ﬁxed block of wood and travels 5.2 cm before coming to rest. Assuming that the deceleration of the bullet is constant, ﬁnd the force exerted by the wood on the bullet. Answer in units of kN
asked by Noah 
physics
trying to study but stuck on this problem. Two particles, with identical positive charges and a separation of 2.34 x 102 m, are released from rest. Immediately after the release, particle 1 has an acceleration a1 whose magnitude is 6.75 x 103 m/s2, while
asked by antonio 
physics
A 0.1kg ball dropped on the floor hits with a speed of 4.0m/s and rebounds at a speed of 3.8m/s. Calculate the impulse delivered to the ball by the floor.
asked by taryn 
Maths
Keith and Shawn each have some money. If Keith spends $38, the ratio of the amount of money Keith has to the amount of money Shawn has will become 2:5. If Shawn spends $38, the ratio will become 8:13. How much money does each boy have?
asked by Daniel 
Math
A boy can rake a yard in 2.5 hours, his sister can rake it in 4 hours. How long will it take both of them to rake it?
asked by Anonymous 
math
Before she went to the grocery store, Jana had 4 tomatoes in her refrigerator. For the next 3 weeks she buys n number of tomatoes each week. Which algebraic expression represents how many tomatoes she has at the end of three weeks? A. 4 − 3n B. 4 + 3n C.
asked by ash 
Home, school, Communication
Sandwiching refers to all of the following EXCEPT: A a communication technique that is often useful. B providing less plesant news between two more plesant ideas. C litening carefully. D beginning and ending communication on positive note. I pick A
asked by Sally 
Math
A boy can rake a yard in 2.5 hours, his sister can rake it in 4 hours. How long will it take both of them to rake it?
asked by Anonymous 
3rd grade Math
California has more national parks than many other states. The sum of the two digits in its number of parks is 6. Both digits are even. If California has fewer than 30 national parks, how many does it have?
asked by Lulu 
Physics
Estimate Olympic swimming pool problem using Order of Magnitude Calculation: An Olympic swimming pool is roughly 45 m long and 33 m wide. How long will it take to fill such a pool with an ordinary garden hose?
asked by Suman 
Math
Perry draws two planes, K and L, as shown. Which statement is true? Plane K and plane L contain four lines because a theorem states that a line extends on both sides of a plane. Plane K and plane L intersect along a line because a postulate states that if
asked by Lisa 
physics ..PLEASE HELP ASSIGN DUE SOON :(
A speedboat starts from rest and accelerates at +1.90m/s^2 for 7.00 s. At the end of this time, the boat continues for an additional 6.00 s with an acceleration of +0.529m/s^2. Following this, the boat accelerates at 1.47m/s^2 for 8.00 s. **What is the
asked by joane 
Chem II
I am stuck on what to do for my homework assignment. We were told to come up with seven different statements for: Write down as many correct, distinct, and relevant facts you can about: BrCl3 (g) + Cl2 (l) > BrCl5 (g) Kp = 7.82 * 10−6 When there is
asked by Kia 
statistics
Suppose it is known that the average score of all high school seniors taking a national test of basic skills is 420. These scores are normally distributed with a standard deviation of 80. A school gives the test to a sample of 144 seniors. Identify the
asked by nana 
astronomy
What is the wavelength of a radio photon from an "AM" radio station that broadcasts at 740 kilohertz?
asked by Anonymous 
science
The earth has a magnetic north and south. How does this help up with evidence to support the theory of Continental Drift?
asked by kayla 
Chemistry
Consider a cell at 255 K: line notation PbPb2+(1.27M)Fe3+(2.29M)Fe Given the standard reduction potentials calculate the cell potential after the reaction operated long enough for Fe3+ to have changed by 1.432M? I know that Fe3+ is the cathode which
asked by Andres 
Statistics  math
An urn contains 5 red balls and 10 white balls. 6 balls are randomly drawn and not replaced. What is the probability that 3 or fewer balls drawn are red?
asked by Gina 
Math
Six people are going to sit in a row on a bench. Romeo wasnts to sit next to Juliet. Caesar does not want to sit next to Brutus. Homer and Pierre can sit anywhere. In how many ways can these people be seated?
asked by Sarah 
math
alana has 5 base ten blocks.She has at least one of each type of block.The value of her blocks is greater than 140.What blocks could she have?
asked by ronel 
Physics
Calculate the distance (in ) that Larry runs if he maintains an average speed of 8.9 for 1 hour.
asked by Sami 
floral
which one of the following is a special need of snapdragons? A. a warm, sunny growing spot B. a penny added to the water C. Plenty of water D. Extra flower food I'm stuck between A & C
asked by els 
chemistry
When 0.572 g of compound X is burned completely in a bomb calorimeter containing 3000 g of water, a temperature rise of 0.461 ◦ C is observed. What is ∆Urxn for the combustion of compound X? The hardware component of the calorimeter has a heat capacity
asked by Austin 
Chem.
2 KClO3 > 2 KCl + 3 O2 Suppose the "inert" material in the mixture was not really inert, but that is reacted with oxygen from the atmosphere when heat was applied. Would the apparent mass of oxygen liberated be larger or smaller than it should be?
asked by Anonymous 
Chem
The specific heat of water is 4.184 J/g degree C, and the specific heat of iron is 0.451 J/g degree C, which will reach a higher temperature when exposed to a given amount of heat?
asked by Alz 
Chemistry
Consider a cell at 255 K: line notation PbPb2+(1.27M)Fe3+(2.29M)Fe Given the standard reduction potentials calculate the cell potential after the reaction operated long enough for Fe3+ to have changed by 1.432M? I know that Fe3+ is the cathode which
asked by Andres 
math
Math word problem: There are 25 students in Mrs. Roberts 3rd grade class. There are 9 more boys than girls in the class. How many boys and girls are in Mrs. Robert's class.
asked by Lisa 
Trigonometry
I need help on both of these... Find the exact value of cotx if the terminal side of angle x contains the point (5,12). Find the exact value of secx for angle x that has a terminal side containing the point (1,squareroot3)
asked by james 
homework
which locations have the greatest number of hours of daylight on june 21? the fewest hours of daylight?
asked by bryan 
math
The school had a bake sale to raise money. A group of 11 students bought either chocolate chip cookies for $.40 each or brownies for $.50 each. The total amount they spent was $5.10. How many chocolate chip cookies and brownies did they buy?
asked by Michael Florent 
Spanish Beg. 1  Homework Check!
El Tiempo (the weather) 1. Hace sol  sunny 2. Hace (Mucho) calor  hot 3. Esta nublado  ??????? 4. Esta IIoviendo  raining 5. Have fresco  freezing 6. Have viento  fall (not sure......) 7. Hace buen tiempo  ????????? 8. Hace mal tiempo  ????????? I
asked by Laruen 
physics
While sitting on a frozen pond, a 35kg child throws a 0.5kg ball horizontally at a velocity of +6m/s. Calculate the resulting velocity of the child across the ice.Suppose the child throws the ball upward instead, at a 25o angle above horizontal. a)
asked by taryn 
math
Find interval length 1/4 in [1,2] containing the root of the equation x^7 +3x10=0
asked by lola 
Physics
Each of the space shuttle's main engines is fed liquid hydrogen by a highpressure pump. Turbine blades inside the pump rotate at 635 rev/s. A point on one of the blades traces out a circle with a radius of 0.021 m as the blade rotates. (a) What is the
asked by Jackson Kerr 
physics
A 1,080N crate is being pushed across a level floor at a constant speed by a force of 290 N at an angle of 20.0° below the horizontal, as shown in the figure (a) below. (a) What is the coefficient of kinetic friction between the crate and the floor? (b)
asked by monic 
Chemistry
67.0 mL of a 1.50 M solution is diluted to a volume of 258 mL. A 129mL portion of that solution is diluted using 163 mL of water. What is the final concentration?
asked by Anonymous 
physics
a hotair balloon having initial velocity vi as it ascends. Then, a water balloon is dropped from the basket when it is 135 meters high and would hit the ground after 9.00 seconds. a) find the velocity of the hotair balloon upon release of the water
asked by lib 
statistics
supposed that the average weight loss for someone on a diet is 15 pounds with the standard deviation of 4 pounds. a sample of 18 adults enrolled a sswp have a mean weight loss of 15.83. using 0.01 level of significance.
asked by jericho 
physics
A dockworker loading crates on a ship finds that a 21kg crate, initially at rest on a horizontal surface, requires a 70N horizontal force to set it in motion. However, after the crate is in motion, a horizontal force of 51 N is required to keep it moving
asked by monic 
English
I am writing my college essay. I amwriting about the most unforgettable experience i've had and how it impacted my life. I am writing about when my dad was arrested. I have my opening (see below) but I don't know how to continue can you help. The opening
asked by Vicky 
Physics
A car starts from rest on a curve with a radius of 130m and accelerates at 1.1m/s^2 .Through what angle will the car have traveled when the magnitude of its total acceleration is 2.7m/s^2 ?
asked by Nami 
physics
Your groceries are in a bag with paper handles. The handles will tear off if a force greater than 58.4 N is applied to them. What is the greatest mass of groceries that can be lifted safely with this bag, given that the bag is raised (a) with constant
asked by Sarah 
physics
A diver steps off a cliff and dives from 40 meters into the ocean. How long will he fall before he hits the water?
asked by Anonymous 
math
Dress rehearsal of the play was attended by 142 people. Opening night was attened by 238 people. How many people saw the two shows in all?
asked by Janiya 
economics
When the price of X is $1 and the price of Y is $1 and income is I, Joe Panther spends $100 on good X. One day Joe is walking down Downer street and is dismayed to discover that the price of good X has increased to $2. However, moments later Joe is
asked by Jake 
PreCalculus
Rational Functions does the following function have a hole or a vertical asymptote or both? how do you know? find the yvalue at that point. y=x^2+7x+12/x^2+8x+15 I factored this out to y = (x+3)(x+4)/(x+5)(x+3) The x+3's cancelled out. I don't get the
asked by Shreya 
physics
Trevor can row a boat at 3.00 mi/hr in still water. He needs to cross a river that is 1.20 miles wide with a current flowing at 1.60 mi/h. Not having his calculator ready, he guesses to go straight across, he should head 60.0 degrees upstream with respect
asked by lib 
Consumer Math
Franklin deposited $1,400 in a savings account that accrues simple interest at 6.75%. What is the balance in his account at the beginning of the third quarter?
asked by Amy 
Physics
A car starts from rest and travels for 6.2 s with a uniform acceleration of +2.4 m/s2. The driver then applies the brakes, causing a uniform deceleration of 1.2 m/s2. If the brakes are applied for 2.5 s, how fast is the car going at the end of the braking
asked by Caine 
chemistry
A 2.30 gram sample of iron combines with chlorine gas to form an iron chloride with the weight of 7.25 grams. what is the weight of chlorine added?
asked by Janelle 
math
The baked goods are set up on a table that is 3 times as long as it is wide. The length is 96 inches. How wide is the table?
asked by Michael Florent 
chemistry
consider a random mixture of two particles,diamond and SiC.Assume all particles are spherical with a radius of 0.100mm. The mixture is 80.0 wt% diamond(density=3.51 g/ml) and 20.0 wt% SiC (density=3.23 g/ml) a)Calculate the mass of a single particle
asked by mahtab 
THE AGE OF DISCOVERY TO THE AMERICAN EXPERIMENT
The Articles of Confederation called for which of the following? A. A single legislative body B. A chief executive C. The right of the legislature to assess taxes D. The Northwest Ordinance 2. Jacques Cartier sailed to the New World in 1534 in search of A.
asked by Lily 
Math ( Pre Calc)
Find all real and imaginary roots of the polynomial equation 3x^4x^3+4x^22x4=0
asked by Ains 
Math ( composite functions )
I need some help with composite functions where i have to find the f(g(x)) and g(f(x)) on most of them I just couldn't figure out how to multiply.... 1) f(x) = ³√x5 , g(x) = x^3 + 1 So I started on this one and i got confused with the cubed
asked by Mira 
math
Mary wants to put all of her stamps on a single page. she has one page with 3 rows of 8 stamps, another page woth 4 rows of 5 stamps, and a third page with 6 rows of 4 stamps. her new single page has 7 rows and can fit 10 stamps across. can she fit all her
asked by mythreyee 
grammar
how to do the change boring verbs and ordinary adjectives
asked by piratha 
bio botony
The water pressure that pushes water and sugar from sugar source to sugar sink is referred to as _____. The answer is bluk flow but idk why. Why isnt i translocation or transpiration?
asked by rebekah 
English
In persuasive writing, it is important to...?
asked by Taylor 
TRIG
find the degree measure of a central angle subtended by an arc of 8.00cm in a circle with circumference 20.0cm
asked by Mel 
Math
The mathematician Augustus DeMorgan lived his entire life during the 1800s. In the last year of his life he announced "Once I was x years old in the year x^2". In which year was he born?
asked by Sadie 
Uni Physics
Calculate the power required of a 1230 kg car as it climbs a 18° hill at a steady 92 km h1. The total friction and air resistance is 700 N. Answer in kW, to the nearest whole number.
asked by David Gia 
physics
A 3.00kg block starts from rest at the top of a 27.5° incline and slides 2.00 m down the incline in 1.20 s. (a) Find the acceleration of the block. m/s2 (b) Find the coefficient of kinetic friction between the block and the incline. (c) Find the
asked by monic 
English III: Tone analysis
"many a night, just at midnight, when all the world slept, it [a groan similar to that uttered by the old man] has WELLED up from my own bosom, deepening, with its dreadful echo, the terrors that distracted me. " Poe The type of comparison the author uses
asked by Tammi 
The digits
09 are the building blocks for all numbers.what this means.
asked by sarah 
Ap world history, 10th grade
What was the most important "stepchild" of the Byzantine civilization? Poland, the middle east, Italy, or russia
asked by Victoria 
math
in a class there are 17 right handed students and 3 left handed students, what fraction of the class is lefthanded?
asked by Anonymous 
CHEM
A 7.5 g sample of Cu(NO3)2.nH2O is heated. After the water has been driven off, 5.8 g of Cu(NO3)2 remains. What is the value of n in the empirical formula of this hydrate?
asked by Dee 
Chemistry
Consider a cell at 255 K: line notation PbPb2+(1.27M)Fe3+(2.29M)Fe Given the standard reduction potentials calculate the cell potential after the reaction operated long enough for Fe3+ to have changed by 1.432M? I know that Fe3+ is the cathode which
asked by Andres 
math
The function f(x)=ax^3x^3+bx24 has three factors. Two of these factors are x2 and x+4. Determine the values of a and b , and then determine the other factor
asked by Melissa 
Chemistry
Consider a cell at 255 K: line notation PbPb2+(1.27M)Fe3+(2.29M)Fe Given the standard reduction potentials calculate the cell potential after the reaction operated long enough for Fe3+ to have changed by 1.432M? I know that Fe3+ is the cathode which
asked by Andres 
physics
This problem is derived from a video shown in class. A small cart is rolling down an inclined track and accelerating. It fires a ball perpendicular to the inclined track as it moves. The origin of the reference frame is located at the spot from where the
asked by zina 
math
The ratio of games jsy won to the number of games he lost is 5:2 he won 20 games. how many games did jay lose? show oe explain how you got your answer.
asked by jay 
Math
California has more national parks than many other states. The sum of the two digits in its number of parks is 6. Both digits are even. If California has fewer than 30 national parks, how many does it have?
asked by Anonymous 
math am i right
So do you mean that I should multiply the base (7) by the height (18)?
asked by Yog 
Chemistry
What are washers, nuts, and bolts made of? Aluminum, Zinc, Iron, or Nickel?
asked by Alz 
Economics
There are two types of consumers of potatoes: 10 are rich and 50 are poor. Every rich consumer has a demand of 0 for a price of $500/ton; and his/her demand decreases by 1 ton each time the price increases by $1/ton. Every poor consumer has a demand of 0
asked by Joe 
Math
a group of 11 students bought either chocolate chip cookies for forty cents each or brownies for fifty cents. The total amount they spend was five dollars and ten cents.How many chocolate chip cookies and brownies did they buy?
asked by Michael Florent 
chemistry
how ti distinguish NH4OH solution from NaOH solution
asked by bhanu 
math
how would you write an algebraic expression for tthe same number of birds,b, sitting on three different wires, then 9 birds fly off
asked by jenny 
science
A top fuel dragster can accelerate from 0330mph in the time it takes to go 1000ft. assume that the acceleration is constant. what is the acceleration
asked by Victoria 
Science
Can you check my answers for me? The answers I picked have a check mark next to them. Thank you. 1. Darwin’s theory of evolution by means of natural selection proposes that changes happen from generation to generation from ____________ of an organism to
asked by Christian 
Science
Q12: A light ray is travelling from a medium with a larger index of refraction to a medium with a smaller index of refraction. Describe what happens as the angle of incidence gets larger and larger. Include the concept of the critical angle in your
asked by Anonymous 
Chemistry
In acidic solution, VO_2^+1 is reduced to VO^2+, whereas Mn^2+ is oxidized to MnO_4^1 . Given the partial equation VO_2^+1? +Mn^2+? > VO^2+ ? + MnO_4^1? What must the coefficients be so that the electrons are balanced?
asked by Senko 
statistics
For each of the following samples that were given an experimental treatment, test whether they represent populations that score significantly higher than the general population: (a) a smaple of 100 with a mean of 82, (b) a sample of 10 with a mean of 84.
asked by Julie Miranda 
Chemistry
Consider a cell at 255 K: line notation PbPb2+(1.27M)Fe3+(2.29M)Fe Given the standard reduction potentials calculate the cell potential after the reaction operated long enough for Fe3+ to have changed by 1.432M? I know that Fe3+ is the cathode which
asked by Andres 
math
what is multiplication sentence in exponent and base
asked by adriana 
math
in isosceles angle ABC, the length of leg AB is 2x+10 and the length of the leg BC is 4x  18. Find the length of each leg.
asked by chan 
Algebra II
Factor: 12a^217a5
asked by Olivia 
stats
1. Find the sample variance and standard deviation 6, 53,11,49,35,26,28,28,31,31 s squared = (round to the nearest hundredth as needed)
asked by pat 
math
The baked goods are set up on a table that is 3 times as long as it is wide. The length is 96 inches. How wide is the table?
asked by Michael Florent 
science
How does water temperature give a clue as to what ocean layer the water belongs?
asked by Callie 
math
How can knowing the multiplication properties help me evaluate 5x(20x63)?
asked by tonya 
Home, School and community
Which of the following is NOT always true about parents who ask for special treatment? A They are trying to take advantage of a teacher. B They want the best for their child. C They require thoughtful consideration of how to provide for request. D they
asked by Sally 
PreCalculus
solve by fully factoring x^37x6=0 How would I fully factor this?
asked by Shreya 
literature
Question from the story Metamorphosis. Describe the mood of the story and how it makes you feel. How do you think Kafka wants you to feel about Gregor Samsa?
asked by anonymous 
chemistry
which of the ff are gases at 50 degrees celcius bromine, mercury, propane, radon, silver
asked by linda 
Math
Let A, C be the endpoints of the diameter of a circle and B an arbitrary point on the circle. Using the slopes of secant lines show that \ABC is a right angle. You can assume the circle is centered at the origin.
asked by Kole 
chemistry
How many grams of are present in a solution if 38.60 of 0.145 solution is needed to titrate the solution?
asked by LaKeisha 
Business Management
1. Identify the publisher and the number of pages for Ellison's 2002 edition of Invisible Man.
asked by cesar 
Algebra II
Factor: 18x^233x+9
asked by Olivia 
bio
what is the difference between translocation and transpiration? and do they both occur in xylem and phloem?
asked by rebekah 
Math
Joe picked leaves, he has 3 kinds. He has 2 times as many elm leaves as maple leaves, and 5 times as many oak leaves as maple. He has 32 leaves. How many of each kind does Joe have?
asked by MJ 
English
Why is she walking so slow toward the house? Is that correct or should it be (so slowly} They both sound correct
asked by Mark 
Eglish
Thanks Ms. Sue
asked by Mark 
can please somebody tell how to solve this problem
An unknown was prepared with the concentration of 0.000520 M. A Beer's Law plot was prepared using the absorbance values from standard solutions of ASA and a line drawn through all the points passed through the origin with a slope of 1550.2 M–1. The
asked by anchal 
ashford university
i need ant 101 week2 quiz
asked by kim 
Language Arts
Read the following three words: sauntered, walked, danced What is the BEST way to group these words on a classification chart to help you understand their meanings? (1 point) They all end in –ed. They are all in the past tense. They are all verbs. They
asked by Love2Learn 
Pre Cal
f(x) = log3(93 x + 3 815 x + 3)
asked by Sally 
MATH
In a parking lot, there are 2 cars for every 3 trucks. What fraction of the vehicles are cars? Is it 1/50th?
asked by JD 
math  wait what?
How do you multiply 126 by 1/2?
asked by Yog 
geometry
Given a circle with a diameter of 4, what is the circumference?
asked by zaylee 
science
The brigtness of of the star is determine by distance.Am i correct
asked by Americal 
Algebra
What is the greatest common factor? How do you know when you have found the greatest one?
asked by Theresa 
Math
Abby takes 6 steps forward, then 2 steps back. If she repeats this pattern, how many steps will she be from where she started after 4 moves? After 5 moves?
asked by Sarah 
math
How does place value help represent the value of numbers
asked by sa 
calculus
what is the rate of increasing for a car whick run a distance of 5 miles in the first hour and 10 miles in the second hour?
asked by Anonymous 
chemistry
balanced equation mg+ pbcl2mgcl2+pb F+NaBrFBr+Na
asked by maz 
math
Three students came to the bake sale to shop. The sum of their ages is 33. The product of their ages is 1,320. How old are they?
asked by Michael Florent 
Algebra II
Group factor: x^2+2x^2+x+2
asked by Olivia 
chemistry
You are titrating an unknown weak acid you hope to identify. Your titrant is a 0.0935 mol/L NaOH solution, and the titration requires 39.9 mL to reach the equivalence point. How many moles of acid were in your sample?
asked by lucy 
calculus
y=x^33x. Fill out the following table and then make a rough sketch of the graph. I can make the sketch just having trouble understanding what is wanted. y=0 when y'=0 when Relative Max(s) Relative Min(s) y'>0 on the interval(s) y'0 on interval(s) ???? y'
asked by Kieran 
literature
Wasnt sure if you seen my other post but I got three of the answers but still need help with :Why does Beryl not want Sir Henry to stay at Baskerville Manor?
asked by anonymous 
Literature
Can someone please explain to me the great chain of being as shown in Hamlet? I think I understand it, but I am looking to grasp it fully and have some examples from the play so I can write intelligently about it. Thanks!
asked by Panagiotis 
math
a shirt is on sale for 15% off. what fraction represents the savings? ...is it 3/20th?
asked by JD 
Physical Science
8 letter word for a substance that can be broken down into two or more simpler substances?
asked by Ally 
Math
Write an algebraic expression for the verbal expression: five times the sum of three and f
asked by Sally 
math
toe rings cost $2.95 each. If Jill buys 4 of them, how much does she spend?
asked by Ryan 
math
Jame shas an assigned seat for his flight to Denver. The seats on the plane are numbered 149. Jame's seat number is an odd number greater than 10 that is factor of 100, What is his seat number for the flight?
asked by junior 
science
make a graphic organizer to show ways how ways to cause physical changes to a piece of paper
asked by marc 
space
What causes the rings around the equators of Saturn and jupiter
asked by Gabi 
literature
"There is one correspondent who is a sure draw, Watson. That is the bank. Single ladies must live, and their passbooks are compressed diaries." What does this quote mean?
asked by anonymous 
chemistry
what is the reason hydrogen have 1 oxidation number?
asked by shemelis 
calculus
How do I solve this using the TERM BY TERM method? If f(x)= (2x^2  5x  3) / (3x) find f'(8).
asked by Esther 
language
introduction for an essay . show me please
asked by andre 
English
Dividing the pie into, Felicia took the least and gave me the larger portion. Is least correct or should it be lesser? It doesn"t sound right with lesser.
asked by Mark 
English
what are the different types of comparison? What's a comparison that's not direct, but implied?
asked by Tammi 
Calculus
y=x^33x. Fill out the following table and then make a rough sketch of the graph. I can make the sketch just having trouble understanding what is wanted. y=0 when y'=0 when Relative Max(s) Relative Min(s) y'>0 on the interval(s) y'
asked by Kieran 
English
Identify the infinitive phrase in the sentence below. The pilot agreed to fly from Texas to Oklahoma. (1 point) agreed to fly fly from Texas to Oklahoma to fly from Texas to Oklahoma
asked by smileyfaceL0L 
physics
Suppose runner A starts at the 0 degree mark on a circular track (circumference = 400m). And let runner B start at the 180 degree mark. If runner A starts running counter clockwise with acceleration 2m/s^2, and runner B runs clockwise with constant speed
asked by jordan 
HVAC
How many Ampere of 1 horse power motor?
asked by John V 
PreCalculus
Rational Functions y = (x^2+7x4)/(x2) Since the degrees of both the numerator and denominator are the same, I would use the leading coefficient, and both the rational functions start with 1, so would the horizontal asymptote be 1? Also don't get how to
asked by Shreya 
social sciences
The market supply for potatoes in New York is 2,000 tons for a price of $200 a ton, and 5,000 tons for a price of $500 a ton. Between these two prices market supply is a straight line. What is the equation of the supply curve?
asked by Joe 
Math
If I have the inputs 1 2 3 4 and 5 and my outputs are 1 4 9 16 and 25 what is the output
asked by Ashley 
CHEM
A sample of an unknown hydrate weighs 0.500 g and after heating it weighs 0.100. What is the percent of water in the hydrate?
asked by Dee 
Chemistry
In acidic solution, VO_2^+1 is reduced to VO^2+, whereas Mn^2+ is oxidized to MnO_4^1 . Given the partial equation VO_2^+1? +Mn^2+? > VO^2+ ? + MnO_4^1? What must the coefficients be so that the electrons are balanced?
asked by Yuki 
PreCalculus
Radical Functions Graph y=(x3)(x+2) and y=√(x3)(x+2). where are the xintercepts of each function ?why? for the first one, i know that whatever is inside the brackets is opposite, so the x intercepts would be at 3, and 2. but the whole radical thing
asked by Shreya 
Uni Physics
A 67 kg astronaut (Jeff), an 88 kg astronaut (Brett) and a 17 kg rock are tied together by a light rope during a space walk. The distance between Jeff and the rock is 5.0 m, the distance between Brett and the rock is 2.0 m. Find the position of the centre
asked by David Gia 
Statistics  math
Each consumer has a 25% chance of preferring your product over the competitor's product. If we question 15 customers, what is the probability that at least 3 will prefer your product?
asked by Gina 
math
what % is 7.5 over 10? Is 7.5 over 100 7.5%?
asked by Kory 
algebra
what are the steps of solving (4sqr(41))^2 the answer is 656 but i need to know how the got the answer
asked by peter 
Math
Given the following statistical list: 13,17,19,22,25,27,29,29,32,and 33. Assuming a desired "Confidence Level" of 95%, find the confidence interval for the above scores. 19.8 < u(mean)< 29.4 14.6 < u < 33 13.4 < u < 22.7 11.1 < u < 18.5 I have 2 weeks to
asked by Adam 
Uni Physics
Total mechanical energy of a flying rubber ball is 1692 J. It has a mass of 0.86 kg, and it is 8 m above the ground. Find the speed of the ball.
asked by David Gia 
Math/Statistics
Can anyone please help me explain confidence intervals. How does one tell/determine if a confidence interval is too wide? What indicates too wide? Thanks in advance!
asked by Rory 
Math
Has memory chip capacity's growth been exponential? How much longer is the exponential growth likely to continue? Explain.
asked by Sam 
Math
use compatible number to estimate problem: 1,212 + 347 537 + 3,244 329 + 64
asked by Monique 
matj
in a class there are 17 right handed students and 3 left handed students, what percent of the class is right handed?
asked by Anonymous 
english
Hot to unscramble rdntcioiya
asked by m 
Algebra
what is 18 percent of 240
asked by Matilda 
Chemistry
From my previous question about partial pressures in the equation 2H2(g)+O2(g)>2H2O(g), how can I use PV=nRT to find the number of moles in each of the reactants when I am not given the temperature, or the volume of the individual gases?
asked by Heather 
pprecalc
the function is one of the form y=g(x) +cosbx. find two linear functions y1 and y2 related to g such that y1 is less than or equal to y is less than or equal to y2. a. y= 2x + cos x b. y= 10.5x+ cos2x
asked by greeny 
Trigonometry
Express 3 rad in degree measure and approximate to four significant digits
asked by james 
HEALTH
What is meant validation strategy in a person with dementia
asked by Anonymous 
calculus
How do I solve this using the TERM BY TERM method? If f(x)= (2x^2  5x  3) / (3x) find f'(8).
asked by superdiver 
calculus
Using the chain rule... how can i differentiate this? y=xã(x2)
asked by superdiver 
math
If μ = 500 and σ =10, z = 3.0 falls how many points below the mean?
asked by tom 
Physics
A dog throws a bone into the air at 17.2 m/s...How high will it rise and How long will it take to reach the peak of its trajectory?
asked by Jeff 
stats
If SS = 50 and s^2 = 10, what is n?
asked by eric 
math 8th grade
10(square root400  15) 10(2015) 10(5)= 50 would this be correct?
asked by jill 
GEOMETRY
If RS=ST=19, s
asked by VANESSA 
math
Abby takes 6 steps forward, then 2 steps back. If she repeats this pattern, how many steps will she be from where she started after 4 moves? After 5 moves?
asked by Sarah 
Math
solve: 9x11=56
asked by Jessica 
algebra
how do i do this problem? Had 16 now have 20
asked by victoria 
Physical science
I need help on how to set up a formula for 27c and 750 mm hg,a sample of hydrogen occupies 5.00 l how much space will it occupy at stp
asked by Glenda 
English 8R  It Happened in The City
impressive jungle of concrete?????????????????????????????????? I need a definition!!!!
asked by Laruen 
Biology!!!!!!!!!!!!!!!!
In preparing some blood for observation with a microscope, a student puts a drop of blood into a test tube containing 2 cm3 of water. After mixing, he examines a drop of the mixture. Explain why he cannot see any blood cells under the microscope.
asked by Nicole 
Math
If the quadratic equation x^2 + bx +c=0 has exactly one solution r, then find b/c.
asked by Henry 
algebra 2
what are some patterns seen in pascal's triangle?
asked by SoccerStar 
math
Vincent estimated 29344 and got a difference of about 250.Is this reasonble estimate?Explain.
asked by lein 
social studies
crossword puzzle for: golden ___
asked by jacy 
physics
What is the component of a vector (in the plane) whose magnitude is 86.4 and whose component is 62.5?
asked by Anonymous 
Biology/Science
1. Describe a SPECIFIC EXAMPLE of how increased temperature can change cellular processes. 2. What FACTORS (can be properties of animals or the environment) determine how wide a range of temperatures a species can tolerate? Be as comprehensive as you can.
asked by Pag 
Math
what is 18 percent of 240?
asked by francesca 
math
if cosx = 12/13 and x is a quadrant I angle. Find the value of sinx
asked by Jenifer 
Grammar
Is this sentence correct? The shampoo was concentrated, therefore I only used a little bit.
asked by Dakota 
science
A ship sails 100mi northeast, then 50mi due south. How far is it from the starting point?
asked by netta 
physics
jk
asked by jk 
organic chemistry 1
If the two parts of mixture have a 1:1 ratio by mass what's the largest amt each component could be?
asked by archie 
Grammar
Josh Lozier's football pants were to long, so they had to be altered. Is this a run on sentence?
asked by Dakota 
Math
Solve the system by using the substitution method. y= 3/4x  4 x + 2y= 6
asked by Neil 
algebra pre ap
6x=7y=2 8x+5y=20
asked by oscar 
math
to find the square root of a number that is a fraction 81/16 would that be 9/4?
asked by jill