Questions Asked on
February 10, 2012

Trigonometry
If A + B + C = 180°, Prove that Cos²A + Cos²B + Cos²C = 12cosAcosBcosC
asked by Kewal 
economics
Suppose that there are three beachfront parcels of land available for sale in Asilomar and six people who would each like to purchase one parcel. Assume that the parcels are essentially identical and that the minimum selling price of each is $600,000. The
asked by peter 
CHEM
At constant pressure, which of these systems do work on the surroundings? Check all that apply. 2A (g) + B(s) > 3C(g) 2A (g) +2B (g) >5C(g) A(g)+ B(g) > C(g) A (s) +2B(g)> C(g)
asked by Akle 
trigonometry
the bases of a trapezoid are 22 and 12 respectively. The angles at the extremities of one base are 65 degree and 40 degree respectively find the two legs. Answer using law of sines pls
asked by joe 
physics
A wooden cube of side 10cm has mass 700g.What part of it remains above the water surface while floating?
asked by Anonymous 
Chemistry
A researcher studying the nutritional value of a new candy places a 4.90 gram sample of the candy inside a bomb calorimeter and combusts it in excess oxygen. The observed temperature increase is 2.75 Celsius. If the heat capacity of the calorimeter is
asked by Carey 
Chemistry
Consider an ideal gas encloesd in a 1.00 L container at an internal pressure of 10.0 atm. Calculate the work, w, if the gas expands against a constant external pressure of 1.00 atm to a final volume of 20.0 L. w = ____ J now calculate the work done if this
asked by Lauren 
PHYSICS
The density of ice is 0.92g cm3 & that of sea water is 1.025g cm3.Find the total volume of an iceberg which floats with its volume 800cm3 above water? ANSWER:7809.5cm3
asked by MOHIT 
Chemistry
If the heat from burning 5.800 g of C6H6 is added to 5691 g of water at 21 °C, what is the final temperature of the water? 2C6H6(l) +15O2 (g)> 12CO2(g)+6H2O(l) +6542
asked by Jen 
chemistry
When a certain amount of MgF2 is added to water, the freezing point lowers by 3.5 oC. What was the molality of the magnesium fluoride? (Kf for water = 1.86 oC/m)
asked by lw 
Geometery
In a rhombus, m1 = 18x, m2 = x + y, and m3 = 30z. Find the value of the variables x,y, and z. .
asked by McKenzie 
government
Which institution developed outside the limits of the written Constitution of the United States?
asked by aj 
Chemistry
2C6H6(l) + 15O2(g) > 12CO2(g) + 6H2O(l) + 6542 kJ If the heat from burning 7.000 g of C6H6 is added to 5691 g of water at 21 degrees C what is the final temperature of the water?
asked by David 
physics
A kid fires water horizontally from a squirt gun held 1.6 above the ground. It hits another kid 2.1 away square in the back, at a point 0.91 above the ground.
asked by lala 
math
In the 17th century, there were more than 800,000 inhabitants of Paris. At the time, it was believed that no one had more than 200,000 hairs on their head. Assuming these numbers are correct and that everyone has at least 1 hair on their head, show that
asked by Dan 
math
In Exam Figure 7, AA′ = 33 m and BC =7.5 m. The span is divided into six equal parts at E, G, C, I, and K. Find the length of A′B. Round your answer to two decimal places.
asked by chelsey 
chemistry(Please check)
1) In comparing the phase diagram for water with that of a solution of sugar in water, all of the following decrease except a) the vapor pressure b) the boiling point c) the freezing point d) the triple point I chose the boiling point as the answer. Is
asked by Hannah 
physics
A bowling ball (mass = 7.2 kg, radius = 0.12 m) and a billiard ball (mass = 0.31 kg, radius = 0.028 m) may each be treated as uniform spheres. What is the magnitude of the maximum gravitational force that each can exert on the other?
asked by cody 
Chem
Which of the following statements is part of the kinetic theory? The particles of a gas move independently of each other. The particles in a gas move rapidly. The particles in a gas are relatively far apart. all of the above
asked by Sara 
Trigonometry
If A + B + C = 180°, Prove that Cos²A + Cos²B  Cos²C = 1 – 2sinAsinBcosC
asked by Kewal 
physics
If the magnitude of the electric field in air exceeds roughly 3 106 N/C, the air breaks down and a spark forms. For a twodisk capacitor of radius 49 cm with a gap of 1 mm, what is the maximum charge (plus and minus) that can be placed on the disks without
asked by james 
physics
A coil of wire of crosssection 0.75 square mm weighs 125g in air and 115g in water. What will be the length of the coil?
asked by Kushagra 
Physics
A 210W heater is placed in 2KG of water. What temperature rise is produced if the heater is switched on for 200 seconds?
asked by SMK 
Organic Chemistry
How do I write a balanced equation for the synthesis of benzoic acid using the grignard reagent. To make the grignard reagent I used 0.5g of Mg, 2 ml of ether, and 3.9g of bromobenze. then to make the benzoic acid I used CO2 and H3O+. I will really
asked by lidia 
Physics
Find the maximum height reached by a ball thrown upward at a velocity of 95ft/s
asked by ####tasha#### 
Science
A block of metal weighing 2kg is resting on a frictionless plane. It is struck by a jet releasing water at the rate of 1kg/s and at a speed of 5m/s. Find the initial acceleration of the block.
asked by Kushagra 
physics
The flywheel of a steam engine begins to rotate from rest with a constant angular acceleration of 1.41 rad/s2. It accelerates for 25.5 s, then maintains a constant angular velocity. Calculate the total angle through which the wheel has turned 65.5 s after
asked by qwertzuiop 
Chemistry
Suppose MgSe(a=545 pm) and SrSe (a=623 pm) both crystallize with a NaCl (rock salt) structure. Calculate the ionic radius of Sr2+ (Hint:Assume that the Se2 ions actually touch in MgSe.)
asked by Lindsey 
physics
The windshield of a speeding car hits a hovering insect. Consider the time interval from just before the car hits the insect to just after the impact. Which of the following are correct? (Select all that apply.) Choose the system so that the change of
asked by marcos 
chemistry
116 g of isopropanol, formula C3H8O, contains how many moles?
asked by Brianna Bernard 
physics
Suppose all the people of the Earth go to the North Pole and, on a signal, all jump straight up. Estimate the recoil speed of the Earth. The mass of the Earth is 6 1024 kg, and there are about 6 billion people (6 109). Take the average mass of a person to
asked by marcos 
physics
A point charge of +10 microcoulombs lies at x = 0.39 m, y = 0 m, a point charge of 5.7 microcoulombs lies at x = +0.39 m, y = 0 m, and a point charge of +14.9 microcoulombs lies at x = 0 m, y = 0.3 m. A point charge of +10 microcoulombs is moves
asked by Mandaleigh 
PHYSICS
The density of ice is 0.92 g cm3 & that of sea water is 1.025 g cm3.Find total volume of an iceberg which floats with its volume 800 cm3 above water. ANSWER:7809.5 cm3
asked by MOHIT 
chemistry
Write net ionic equation for the reaction between nitric acid and calcium hydroxide.
asked by ivy 
physics
A conducting spherical shell with a total charge of +12.6 microcoulombs has a point charge of 3.6 microcoulombs placed at its center. The negative point charge will push the electrons in the spherical shell away from it. This will leave the inner shell
asked by Mandaleigh 
physics
A point charge of +4.6 microcoulombs lies at x = 0 and a point charge of 7.3 microcoulombs lies at x = +3.3 m. Where on the x axis, is the total electric potential equal to zero? Answer in meters.
asked by Mandaleigh 
algebra
Explain how you find orderedpair solutions of the equation 3x – 5y = 15, and then find two such solutions.
asked by lucy 
Chemistry
In a constantpressure calorimeter, 60.0 mL of 0.330 M Ba(OH)2 was added to 60.0 mL of 0.660 M HCl. The reaction caused the temperature of the solution to rise from 21.71 °C to 26.21 °C. If the solution has the same density and specific heat as water,
asked by Heather 
Chemistry
Which aqueous solution below is expected to have the lowest freezing point? Assume 100% dissociation for ionic species. 1)0.25m MgBr2 2)0.30m Na2SO4 3) 0.50m KCl 4) 1.0m sucrose 5) 0.40m Cr(NO3)3 I think that the answer is 0.30NaSO4 but I am not positive.
asked by Hannah 
algebra 2
Which equation correctly shows d = xyz solved for z?
asked by Lalt 
algebra 2
Petra needs to find the equation of a line through (–2, 3) that is parallel to the line represented by y = 2x– 4. Which equation best represents Petra's equation?
asked by Lalt 
algebra
The apothem of a regular polygon is the distance from the center of the polygon to a side. Explain how to derive a formula for the area of a regular polygon using the apothem.
asked by lucy 
Science
In a rocket, fuel burns at the rate of 1kg/s. This fuel is Ejected from the rocket with a velocity of 60km/s. What force will be exerted on the rocket?
asked by Kushagra 
math. can someone explain this!
using this information: if an object is thrown straight up into the air from the height H feet per second then at time tseconds the height of the object is 16.1t^2 +Vt+ H feet. This formula uses only gravitational force, ignoring air friction. It is valid
asked by deana 
Calc 2
Find c>0 such that the area of the region enclosed by the parabolas y=x^2−c^2 and y=c^2−x^2 is 90.
asked by Rebecca 
Chemistry
A student mixes 45.0 ml of .150 M HCL with 30.0 ml of .200 M NaOH. What is the pH of the resulting solution?
asked by Juliano 
ENGLISH
Unscramble the letters: N A N Qu I I R A B I N S O U I O TO MAKE THE BIGGEST WORD
asked by KELSI 
physics
Two boxes (b1 = 23 kg and b2 = 57 kg) are being pushed across a horizontal frictionless surface, as the drawing shows. The 48N pushing force is horizontal and is applied to the 23kg box, which in turn pushes against the 57kg box. Find the magnitude of
asked by cody 
physics
When a wheel of radius R rotates about a fixed axis, do all points on the wheel have 1) The same angular velocity? Explain. 2) The same linear velocity? Explain. If the angular velocity is constant, 3) describe the linear velocities and accelerations
asked by qwertzuiop 
Chemistry
At constant pressure, which of these systems do work on the surroundings? Check all that apply. 2A (g) + B(s) > 3C(g) 2A (g) +2B (g) >5C(g) A(g)+ B(g) > C(g) A (s) +2B(g)> C(g)
asked by Allie 
algebra
samuel is 5/8 inch taller than jackie. shelley is o.7 inch taller than jackie. craig is inch taller than jackie. who is taller?
asked by colby 
Physics
Wheel A of radius ra = 13.9 cm is coupled by belt B to wheel C of radius rc = 34.3 cm. Wheel A increases its angular speed from rest at time t = 0 s at a uniform rate of 5.7 rad/s2. At what time will wheel C reach a rotational speed of 168.2 rev/min,
asked by Marc 
CHEM
I know I posted this question again but no one is really helping me. Can someone please help me as soon as possible. In a constantpressure calorimeter, 60.0 mL of 0.340 M Ba(OH)2 was added to 60.0 mL of 0.680 M HCl. The reaction caused the temperature of
asked by Akle 
Chemistry(Please check)
1) If exactly 100.0 grams of NaCl (mm=58.44g/mol) are dissolved in 300 grams of water (mm=18.02g/mol), the mole fraction of NaCl is? a) 1.71 b) 0.0932 c) 0.250 d) 0.103 e) 4.75 I did 100g / 100g + 300g = 100/40 = 0.250. Did I do this correctly?
asked by Hannah 
physics
A circle with a radius of R is inscribed in a square. On the corner of the square are point charges of +q, +q, q, and +q. On the circle are charges of +2q, +2q, q, and +q. (See sketch.) If q = 4.8 microcoulombs, and the total potential at the center of
asked by Mandaleigh 
Trigonometry
If A + B + C = 180°, Prove that Sin² (A/2) + sin² (B/2) + sin²(C/2) = 1 – 2sin (A/2) sin (B/2) sin(C/2)
asked by Kewal 
PHYSICS
A wooden cube of side10cm has 700g.What part of it remains above the water surface while floating om water?
asked by MOHIT 
Chemistry
In a constantpressure calorimeter, 50.0 mL of 0.300 M Ba(OH)2 was added to 50.0 mL of 0.600 M HCl. The reaction caused the temperature of the solution to rise from 24.50 degrees C to 28.59 degrees C. If the solution has the same density and specific heat
asked by Eric 
math
using this information: if an object is thrown straight up into the air from the height H feet per second then at time tseconds the height of the object is 16.1t^2 +Vt+ H feet. This formula uses only gravitational force, ignoring air friction. It is valid
asked by deana 
CHEM
If the heat from burning 5.800 g of C6H6 is added to 5691 g of water at 21 °C, what is the final temperature of the water? 2C6H6(l) +15O2 (g)> 12CO2(g)+6H2O(l) +6542
asked by Akle 
Math
The Oliver Company plans to market a new product. Based on its market studies, Oliver estimates that it can sell up to 2,000 units in 2005. The selling price will be $5 per unit. Variable costs are estimated to be 20% of total revenue. Fixed costs are
asked by Jamie 
physics
An infinite sheet with a surface charge density of 2.1 microcoulombs/m2 runs parallel to the x axis. Another infinite sheet a surface charge density of +2.1 microcoulombs/m2 runs parallel to the y axis. A charge of 4.1 microcoulombs moves at a 45
asked by Mandaleigh 
Algebra
State the slope of the lines: a, b, c: a) Y + 8 = x Slope is: b) Y  8 = 0 Slope is: c) x – 8 = 0 Slope is: PLEASE HELP ASAP
asked by Tariq Glaster 
math
using this information: if an object is thrown straight up into the air from the height H feet per second then at time tseconds the height of the object is 16.1t^2 +Vt+ H feet. This formula uses only gravitational force, ignoring air friction. It is valid
asked by deana 
Chemistry
What would happen if MnO2 was mixed with KBrO3 ND 9 M sulfuric acid?
asked by Nick 
Chemistry
Suppose you have a supply of the following metals: Fe, Ni,Sc, Cr, Au, K. Which of there could be mixed to make substitutional alloys? Which metals are incompatible for this purpose. Clearly explain why there metals would be incompatible. I am unsure about
asked by Lindsey 
finance
The target capital structure for QM industries is 39% common stock, 9% preferred stock and 52% debt. If the cost of common equity for the firm is 18.8%, the cost of preferred stock is 9.7%, the before tax cost of debt is 8.6%, and the firm 's tax rate is
asked by shirley 
Physics
the decibel level of a person talking in a room is 65.0 dB relative to the threshold of hearing determine the decibel level if 6 people talk in the room each at this level
asked by Cookie 
statistics
SAT I scores around the nation tend to have a mean scale score around 500, a standard deviation of about 100 points, and are approximately normally distributed. What SAT I score within the population would have a percentile rank of approximately 99?
asked by babyfly04 
ORGANIG CHEMISTRY
SUPPOSE .1g OF A AND 1.0ml WATER WERE MIXED AND HEATED TO 80 DEGREE CELCEOUS.WOULD ALL THE SOLID DISOLVED.AND IF THE SOLUTION IS COOLED AT WHAT TEMPARATURE CRYSTALS WILL APPEAR.
asked by SAMIRA 
ORGANIC CHEMISTRY
WHAT ARE THE DEFINITION OF DRYING AGENT;DELIQUSCENT SUBSTANCES;HYGROSCOPIC SUBSTANCES;EFFLORESCENT SUBSTANCES.
asked by SAMIRA 
Calculus 2
Find c>0 such that the area of the region enclosed by the parabolas y=x^2−c^2 and y=c^2−x^2 is 90.
asked by Rebecca 
Maths
Dots are arranged to form pattern as show below: pattern 1 they are 2 pattern 2 they are 5 pattern 3 (a) how many dots are in the 4th, 5th, 11th, 200th patterns?
asked by Vuyo 
Physics
An aluminum wire of diameter 2.47 mm carries a current of 12.9 A. How long on average does it take an electron to move 10.5 m along the wire? Assume 3.50 conduction electrons per aluminum atom. The mass density of aluminum is 2.70 g/cm3 and its atomic mass
asked by jason 
chemistry
Arrange the following three water solutions according to decreasing osmotic pressure
asked by Anonymous 
Calculus
The area of a floating circular oil spill in the ocean is increasing at a rate of 96pi square meters per second. When the area of the spill is 1000pi how fast is the radius increasing in meters per second.
asked by Scooby10 
physics
Betty Bodycheck (mB = 50.2 kg, vB = 22.0 km/h in the positive xdirection) and Sally Slasher (mS = 45.2 kg, vS = 28.0 km/h in the positive ydirection) are both racing to get to a hockey puck. Immediately after the collision, Betty is heading in a
asked by sara 
physics
A rock of mass 44 kg accidentally breaks loose from the edge of a cliff and falls straight down. The magnitude of the air resistance that opposes its downward motion is 258 N. What is the magnitude of the acceleration of the rock?
asked by Anonymous 
Physics
What would the equation be for this problem: A bicyclist accelerates at 0.89 m/s/s during a 5 s interval. What is the change in the speed of the bicycle and bicyclist?
asked by Alyonka 
English Home Language
Can You Please Give Me Points as To How to add persuasive points to my speech " Women Should Rule The Way" I Already said they more Patient and better communcaters
asked by Janet 
Trigonometry
If A + B + C = 180°, Prove that Sin² (A/2) + sin² (B/2)  sin²(C/2) = 1 – 2cos (A/2) cos (B/2) sin(C/2)
asked by Kewal 
algebra
Cut a piece of paper to form a triangle shape. Tear off the three corners of the triangle. Then put the three corners together. Describe what you see. What mathematical truth does this activity illustrate? Explain
asked by lucy 
us history
hey, i am trying to do my history review sheet and i can't seem to find #2 the question is: "What was the result of interchangeable parts and mass production?" can someone plz help me!!!!!!!!! THANK YOU SO MUCH!
asked by sammie doodles :) 
Language Arts
I need help. I cannot figure out the anologies. They are... Colloquy:Loquacious:: Somnambulism:ambulatory Plateau: flat octahedron:eight toponym: noun Thanks
asked by Kelli 
College Algebra
Solve the problem. Jon has 1162 points in his math class. He must have 86% of the 1500 points possible by the end of the term to receive credit for the class. What is the minimum number of additional points he must earn by the end of the term to receive
asked by Jess 
Biology
Give diffferences/contrast between a Marine environment and an estuarine environment.
asked by Mae 
fullerton
A vertical container with base area measuring 12 cm by 18 cm is being filled with identical pieces of candy, each with a volume of 50.0 mm3 and a mass of 0.0200 g. Assume that the volume of the empty spaces between the candies is negligible. If the height
asked by brandon 
physics
A softball pitcher throws a ball by swinging his arm with an angular speed of 9.81 rad/s. If the pitchers arm is 0.640 m long, what is the tangential speed of the ball just before the pitcher releases it?
asked by Anonymous 
Physics
Wheel A of radius ra = 13.9 cm is coupled by belt B to wheel C of radius rc = 34.3 cm. Wheel A increases its angular speed from rest at time t = 0 s at a uniform rate of 5.7 rad/s2. At what time will wheel C reach a rotational speed of 168.2 rev/min,
asked by Marc 
Science
During a football match, the ball shot towards the goal struck the defender's foot at the speed of 10m/s and it bounced back at 20m/s. If the time of impact was 0.2 sec, and mass of the ball 0.5 kg,then find the average force exerted by defender on the
asked by Kushagra 
Chemistry(Please check)
1) The molecular mass of a substance was determined by the freezing point depression technique. The minimum data required for the determination are: a) delta T and Kf only b) delta T, Kf, and mass of solute c) delta T, Kf, mass of solute, and mass of
asked by Hannah 
physics
An infinite sheet with a negative surface charge density runs parallel to the x axis. Another infinite sheet with an equal but opposite sign surface charge runs parallel to the y axis. The difference in electric potential from the point x = +5.2 m, y =
asked by Mandaleigh 
calculus
Let f(x) be the function 1/x+5. Then the quotient f(6+h)−f(6)/h can be simplified to −1/ah+b for: a= 11 b= I did all the work to get a but for some reason the number that I keep getting for "B" is wrong
asked by cassie 
ENGINEERING
100 lb of loose gravel can fill a 1ft^3 box. Its specific gravity is 2.68. What is the dry rodded weight? Find the volume of voids in the preceding problem.
asked by GSU 
earth
An object on earth weighs 6 times what it would weigh on the moon. An object weighs 72 pounds on earth. Write multiplication equation to find the weight of object on moon.
asked by Anonymous 
Chemistry
Molar volume of an ideal gas at S.A.T.P. (25oC and 1.00 bar is 24.8 dm3 mol1. Assume that gases are at 225oC and P=1.00 atmosphere before and after the combustion and behave as ideal gases. The chemical equation for the combustion of butane is: 2C4H10(g)
asked by JRMM 
Chem
DrBob222, I got an answer of 33 and 24.23 as the temperature but it is incorrect. I looked at your response to David and unfortunately it did not help me. Would you please take a look at this question and help me out. Thanks. If the heat from burning 5.800
asked by Akle 
new american gov't 2
The term, _____ , refers to the potential benefit a person gives up when he or she decides to do one thing instead of another.
asked by nicole 
math
4x+3y=12
asked by Anonymous 
Math
We are currently studying "earning money" for math. I read this sentence: When a store claculates its profit as a percentage of its cost price the profit is always bigger than the profit calculated as a percentage of the selling price. What does it mean
asked by Jason 
chemistry
if 1.2x10^24 molecules of water freeze how much energy is released by the water according to the equation below?  H2O(l)> H2O(s);ΔH=6KJ
asked by sarah 
math
divide eight pounds of sand into twelve equal containers. how much in each container?
asked by chris 
physics
A rock of mass 32 kg accidentally breaks loose from the edge of a cliff and falls straight down. The magnitude of the air resistance that opposes its downward motion is 275 N. What is the magnitude of the acceleration of the rock?
asked by cody 
CHEM
In a constantpressure calorimeter, 60.0 mL of 0.340 M Ba(OH)2 was added to 60.0 mL of 0.680 M HCl. The reaction caused the temperature of the solution to rise from 24.07 °C to 28.70 °C. If the solution has the same density and specific heat as water,
asked by Akle 
physics
What does it mean when they say that action equals reaction?
asked by elise 
Algebra 1
A line passes through (4,2) and is parallel to the graph of x= 3. What equation represents the line in slopeintercept form? It doesn't give me enough information to turn it into slopeintercept form. HELP ME PLEASE!!??!!
asked by Dayana 
physics
Betty Bodycheck (mB = 50 kg, vB = 22.0 km/h in the positive xdirection) and Sally Slasher (mS = 45.2 kg, vS = 28.0 km/h in the positive ydirection) are both racing to get to a hockey puck. Immediately after the collision, Betty is heading in a direction
asked by sara 
Physics
A silver wire and a platinum wire of the same length have the same resistance. What is the ratio of the diameter of the silver wire to that of the platinum wire. I did 10.6E8/1.59E8 but am not getting correct answer?
asked by jason 
Algebra
during the first part of a canoe trip the canoe travels 71 miles at a certain speed. The canoe travels 7 miles on the second part of the trip at a speed 5mph slower. The total time of the trip is 3 hours. what are the speed in each part of the trip?
asked by julie 
Algebra
Show work to change the linear equation below to slopeintercept form and then, list the slope and y intercept coordinate for the: (leave answers as an integer or a fraction in improper form). 20+3x8y=0
asked by Tariq Glaster 
Math Log #3
a vertical translation of f(x)=e^x changes its asymptote? Sometimes, always or never??
asked by beyonce knowles 
accounting
competitor companies that are U.S. GAAP publicly traded companies.
asked by Merrill 
Physics
A rocket of mass 4.5 e5 kg is in flight. Its thrust is directed at an angle of 58.5° above the horizontal and has a magnitude of 7.50e6 N. Find the magnitude and direction of the rockets acceleration. Give the direction as an angle above the horizonal.
asked by Joe 
Chemistry
If water is synthesized how much hydrogen would be needed to make 10.0 grams?
asked by Cathy 
chm
An unknown radioactive substance has a halflife of 3.20 . If 34.8 of the substance is currently present, what mass was present 8.00 hours ago?
asked by cp 
English
I left out the last interview. I need to summarize the interview in a few sentences rephrasing the colloquial expressions I'm not sure of. Could you please help me here, too? Thank you. "This isn't always easy but if you know before the interview, it's
asked by Henry2 
math
In a right triangle ABC, C = 90°, b = 380.1 inches and c = 589.1 inches. Solve for all the missing parts using the given information. (Round each answer to one decimal place for side and to two decimal places for angles.) A = ° B = ° a = __inches IM
asked by Anonymous 
trig
If theta is an angle in standard position, state in what quadrants its terminal side can lie if theta is equal to 415 degrees?
asked by Rick 
English
Writeacher, I wanted to thank you for all what you have done for me and for my professional growth. We have worked really hard on the project over the last few days (though I was in bed with flu!) By the way, I used your suggestion as a title for the whole
asked by Henry2 
math
The plane is at least 500 miles closer to chicago than to denver
asked by jack 
For Henry2  English
http://www.jiskha.com/display.cgi?id=1328824198 Or have you already taken care of this?
asked by Writeacher 
English  Native speakers
Please paraphrase the phrase into a bit simpler English involving arrested development of engorged stages or of eggs.
asked by Mark 
chemistry
What would happen if chlorine water was added to an aqueous solution of sodium chloride?
asked by Lucas 
math for elem. teacher
Explain why the product of any two consecutive natural numbers is even.
asked by ally 
Statistics
A box contains four balls labeled 1,2,3,4 respectively. Two balls will be sequentially selected from the box at random without replacement. Let Y1 be the maximum of two outcomes and Y2 be the minimum of two outcomes observed. Find the joint probability
asked by Ed 
math
How do u solve 1/2 times 9.8 times 4 exponent 2
asked by suzzi 
algebra 1
Delilah buys an $18,000 car for her catering business. The equation below shows her earnings after each catering event, where x represents the number of hours worked. y=18x 150 If each event is approximately 5 hours long, about how many events must Delilah
asked by Lalt 
Chemistry(Please check)
1)For electrolyte solutions, the _____ the concentration of the electrolyte and the ____ the ion charges, then the ____ the ionpairing. a) lower, smaller, greater b) higher, smaller, smaller c) higher, greater, greater d) lower, greater, smaller e) lower,
asked by Hannah 
Chemistry
Calculate pH when 0.060 mols of HCl are added to 1.000 L of a buffer containing 0.499M KH2PO4 and 0.193M K2HPO4
asked by Jenn 
Calculus
If 2x^3 + 2xy  y^2 = 6, then approximate the equation of the tangent line at point x = 1.44
asked by Scooby10 
Calculus
If f(x) = (square root of (3x^2  5x + 7)), then f'(2) =
asked by Scooby10 
math
in a right triangle ABC, C = 90°, a = 33.6 inches and b = 28.4 inches. Find B. Write your answer in decimal degrees (Round your answer to one decimal place.) B =
asked by Anonymous 
Calculus
What is the state of the function f at x = 2? F(x) = [x^3 for x < 2; 5x  2 for x > or = to 2] ?continuous or differentiable both or neither one or the other?
asked by Scooby10 
English
I need to rephrase (using indirect speech) what 4 people said is important when preparing to go for an interview. Could you please help me? 1)Speaker 1 recommends one should make a short list of the job’s requirement (or requirement for/in the job
asked by Henry2 
English
Here is interview 4. Could you please help me rephrase it, especially the part with (??) which I can't understand. 5)Speaker 4 is again very colloquial. “I’ve had quite a few interviews for, let’s see, about 4 jobs. So I was getting a bit blasé
asked by Henry2 
math
This week’s focus is on systems of equations. Describe a profession that might use this on a regular basis, and give an example with a solution (not covered in the text) of a math problem with a reallife application.
asked by Leo 
PHYSICS
7809.5 cm3
asked by MOHIT 
math
4x+3y=12
asked by Anonymous 
trig
I don't understand this. can you please tell how you got each answer? describe how the graph of each function is related to a basic trigonometric graph. 1. y= 1/2cos x 2. y= 2cos x+1 3. y= sin x4 4. y= sin(x4) 5. y= sin(3x) 6. y= cos(1/2x) 7. y= cos x
asked by BreAnne 
Chemistry
what is the concentration of hcl when 55 ml of this hcl solution neutralize 15ml of .9m ca(oh)2
asked by Faith 
Analytic geometry
Write in general form, the equation of the straight line that passes through the points A(6, 1) and B(2,2)
asked by Harry 
ORGANIC CHEMISTRY
NAME THE PROCESSES OR TECHNIQUES IN THE FOLLOWING. 1.SEPARATION OF A SOLID FROM A SOLUTION 2.WHEN WATER IS COLD TO FORM ICE 3.WHEN WATER IS BOIL TO FORM VAPOR 4.WHEN IODINE IS HEATED DIRECTLY TO FORM GAS WITHOUT BEING LIQUID 5.WHEN STEAM IS COLD TO FORM
asked by SAMIRA 
try this
what song is this from: Everybody seems to look at you, Its not because your different, its just because your so scay cool, the sinister style, you dropped it gorgeous, dropped it gorgeous, that's where the cool kids rule!
asked by emily 
business
1. The appearance of a document can do all of the following EXCEPT: a.establish rapport with the audience. b. guide your readers' attention. c.substitute for the written text in the document.(*) d. build goodwill. 2. The design of a document reflects on
asked by sososola2012 
DANCE :D
ok, i am in a dance team called Gingham Girls, and my director told me i need to stretch more on my left for my left splits. but i can't seem to get them and its hard for me to stretch on my left! and ideas? i already have my right splits! THANKS EVERYONE
asked by sammie doodles :) 
ramirez
A box slides down a 37° ramp with an acceleration of 1.24 m/s2. Determine the coefficient of kinetic friction between the box and the ramp.
asked by joana 
Calculus
Find the derivative, with respect to x of y = 7x^2 + 3x + 2
asked by Taylor 
Calculus
Find the derivative of y = 3x+2/x+1
asked by Hank 
EXP 105
I need help on how to write a practical context paragraph
asked by Maryann 
accounting
Research/Ratio Assignment:Choose two competitor companies that are U.S. GAAP publicly traded companies. Determine and compare their net profit margin and debt to asset ratio for the most recent year reported. Interpret the information and support your
asked by Merrill 
physics
a runner who has a mass of 52 g , has a momentum of 218 kg/m/s along a trail. what is the runners velocity?
asked by ariel 
Literature
The best kind are but shadows is
asked by Beverly 
Physics
How long does it take a motor cyclist to come to rest?which travels at 12m/s decelerates at 3m/s^2
asked by Kenneth 
Calculus
Find the positive value of x where fx=x3+2x1/3 has a horizontal tangent line. Answer =
asked by TG 
Math
Determine the values of x for which the function f(x) = 3/(√x^2+3x4) is continuous.
asked by Matthew 
TRIG
In a right triangle ABC, C = 90°, b = 380.1 inches and c = 589.1 inches. Solve for all the missing parts using the given information. (Round each answer to one decimal place for side and to two decimal places for angles.) A = ° B = ° a = inches IM lOST!
asked by Anonymous 
Human Services
I have a problem with APA formatting and how to cite Example 1 According to McNamara, n.d The Questionmy answer Or do I need to cite each question The amount of questions are about 100
asked by Mary 
physics
how much magnetic force does it take to move a 2000lb car?
asked by Anonymous 
math
how can i make the target number 670,just by using the following digits. 6,9,6,5,9,50
asked by maria 
MATH
Angle C and Angle D are vertical angles. The conclusion is that angle C and angle D are complementary. Which is a counterexample of this conclusion. * 2 vertical angles which are not complementary or * 2 complementary angles which are not vertical
asked by Millie 
Calculus (Antiderivatives)
What is the antiderivative of? (x^2  4) / (x  2)
asked by Mishaka 
Tourism
why is it important that the sport industry and the tourism industry have a good relationship? And what is the relationship between them?
asked by Jenny 
physics
A toy train is pushed forward and released at = 4.0 with a speed of 1.5 . It rolls at a steady speed for 2.6 , then one wheel begins to stick. The train comes to a stop 5.2 from the point at which it was released.
asked by Anonymous 
biology
1. explain that not all cell genes show simple patterns of dominant and recessive alleles. 2. explain how to identify th blood types of an offspring. 3. discuss how gender in humans is determined.
asked by diane28 
algebra
A student wrote – 3 > x > 5 as the inequality that represents the real numbers less than – 3 or greater than 5. Explain why this is incorrect.
asked by lucy 
Mathematics
Last year Jim's gross weekly pay was $920 and he received $520 in bank interest. HIs taxation deductions totalled $1370. a) Calculate Jim's gross income for last year. b) How much was Jim's taxable income? c) Jim's Medicare levy was 1.5% of his taxable
asked by CrissyXD 
MATH
n a right triangle ABC, C = 90°, A = 41° and c = 67 cm. Find b. (Round your answer to the nearest whole number.) b =
asked by Ben 
Calculus
Integrate the following (x^5  2)dx
asked by Taylor 
ms. sue
ms. sue u please be able to give me title for essay on love. i not want to call it plain true love.
asked by Mohammad 
marketing
For each of the following statements, identify the type of market it describes. Use an example from the readings or the internet for each characteristic and explain your choice. A. The company practices product differentiation B. The firm earns an economic
asked by natalee 
statistics
What probability value should be used for determining whether the modified process results in a defect rate that is less than 6%. I got part a and b of the question but I am completely lost on what this is asking me. Can anyone help?!?
asked by Josh 
Physics
What are the three factors on which thermal energy depends?
asked by SMK 
Education
how much influence do you believe the government should have in deciding what is or is not being taught?
asked by Millie 
algebra
Find the slope of the line containing the pair of points (7,5) and (8,3)
asked by jim 
ms. sue
ms. sue i need help with one sentence in love story i be writing about. i write the sentence: if personalities don't match, and the characters are opposite, then each will follow different directions which will cause a split in the relationship. my friend
asked by Mohammad 
English
Marion needs to believe in a ____ ?
asked by Oi 
calculus
when does vector (a+b) = (ab) mean? explain
asked by kally 
Psychology101
As a consumer of mental health services, which type of therapy would you prefer if you did not like to talk about your problems? If you were suffering from a phobia? If you had recurring nightmares since childhood? If you wanted to improve your marriage?
asked by John P 
geometry
true or false Given:
asked by jan 
English
Could you please check this sentence? As I haven't heard from you, I'll email the module, you sent to me this morning, to my secretary's office myself(without making ANY CHANGES AT ALL)
asked by Henry2 
Math
Find the volume of the solid generated by revolving the region bounded by y= 5 cosh (x) and y= 5 sinh (x) between x = 0 and x = 1 about the xaxis
asked by Jose 
spanish
What does this mean? El tan Hermosillo question pienso en to todos Los dias
asked by keisha 
Calculus
when does vector (a+b) = (ab)? explain
asked by k2k 
english
what is song about determintation
asked by kid 
Calculus
Examine the continuity of the function h(x)=[x, if x0 I don't understand this question...
asked by Jake 
Calculus
If y = (ln(x2))/(3e^x, then dy/dx =
asked by Scooby10 
Calculus
Find the domain of f(x) = (square root (x^2  16))/(x + 2)
asked by Scooby10 
chemistry
how many seconds would it take to go from 0mi/h to 60 mi/h with an average acceleration of 15mi/h squared
asked by lexus 
Science
According to Peter Saundry, there is no true universal code of ethics because standards of conduct vary from placetoplace and timetotime
asked by Anonymous 
math
determine the domain of the real valued function f(x) = sqrt(5  (sqrt5))
asked by mary