Questions Asked on
March 30, 2012

Chemistry
Rank the following ionic compounds by lattice energy. Highest to Lowest LiCl MgO Na2O Beo Na2S
asked by Jeremy 
calculus
2. The rate of change in the number of bacteria in a culture is proportional to the number present. In a certain laboratory experiment, a culture has 10,000 bacterial initially, 20,000 bacteria at time t1 minutes, and 100,000 bacteria at (t1 + 10) minutes.
asked by naseba 
Physics
A girl of mass 55 kg throws a ball of mass 0.8 kg against a wall. The ball strikes the wall horizontally with a speed of 25 m/s, and it bounces back with the same speed. The ball is in contact with the wall 0.05 s. What is the average force exerted on the
asked by Alex 
chemistry
Give the chemical formula for transdichlorobis(ethylenediamine)platinum(IV). Use (en) as the symbol for ethylenediamine.
asked by Katie 
physics
A baseball is tossed at a steep angle into the air and makes a smooth parabolic path. Its time in the air is t and it reaches a maximum height h. Assume that air resistance is negligible. a.) Show that the height reached by the ball is gt2 (square) /8. b.)
asked by liz 
chemistry
How many outershell d electrons are there in each of the following transitionmetal ions? Re(III) Sc(III) Ru(IV) Hg(II)
asked by Katie 
chemistry
Construct the octahedral crystalfield splitting diagram for the metal in each species. Cr4+ Mn(H2O)6^2+
asked by Katie 
Chemistry
The resolution limit of a microscope is roughly equal to the wavelength of light used in producing the image. Electron microscopes use an electron beam (in place of photons) to produce much higher resolution images, about 0.16 nm in modern instruments.
asked by Ashley 
alge
The angle of elevation of the sun is 31 degrees. Find the length of the shadow, to the nearest foot, of a man that is 6 feet tall.
asked by Anonymous 
chemistry
Which of these ions have five d electrons in the outermost d subshell? Mn2+ Fe2+ Re2+ Y2+ Tc2+ Zn2+ Ru2+
asked by Katie 
chemistry
Which of these ions have one d electron in the outmost d subshell? Zn2+ Fe2+ y2+ Cd2+ Sc2+ Hg2+ Tc2+
asked by Katie 
Math
Derek wants to determine the height of the top of the backboard on the basketball goal at the playground. He places a standard 12inch ruler next to the goal post and measures the shadow of the ruler and the backboard. If the ruler has a shadow of 10
asked by Jae 
chemistry
what are the chemical formula for sodium tetrachloroplatinate(II) and tris(ethylenediamine)cobalt(III) bromide
asked by Katie 
math
what is the volume of a triangle prism with a base area of 24ft*2 and a height of 18ft
asked by jack 
geometry
Can someone check my work please? What is the area of the figure below? 18 in² 30 in² 36 in² (my choice) 60 in² What is the area of the figure below? 31.5 m² 63 m² (my choice) 84 m² 126 m² What is the value of h? 9.6 units 26.7 units (my choice) 48
asked by kevin 
word problem
An investment of $93,000 was made by a business club. the investment was split into three parts and lasted for one year. The first part of the investment earned 8% interest, the second earned 6% and the third 9%. total interest from the investments was
asked by XOCHIL 
Physics help please!
Light waves with two different wavelengths, 632 nm and 474 nm, pass simultaneously through a single slit whose width is 7.63 x 105 m and strike a screen 1.30 m from the slit. Two diffraction patterns are formed on the screen. What is the distance (in cm)
asked by Jim 
grammar
Can someone please check my work? Thank you. Which of the style guides is most focused on professionals who are writing articles for publication? MLA APA Chicago (my choice Which of the style guides no longer recommends citing URLs? MLA APA (my choice)
asked by kevin 
Math11
A model airplane is made on a scale of 1:128. A)What is the scale factor of the model? B)If the airplane has a wingspan of 30 cm, what is the wingspan of the actual airplane Need help on this.
asked by Sari 
english
When the atomic bomb exploded, almost everyone in Hiroshima saw a flash whiter than anything they had ever seen. True or false
asked by Lisa 
math
An account invested in a money market fund grew from $67,081.2 to $67,359.39 in a month. What was the annual interest rate?
asked by Anonymous 
Chem 2
i need help setting this problem up i know what the answer is but need to know how to get to it. calculate the kinetic energy in joules of an automobile weighing 2135lb and traveling at 55 mph (1 mile=1.6093km, 1lb=453.59g)
asked by Debbie 
Math
Charlotte is building a dollhouse that is a scale replica of her own house. One of the windows on the front of the house is 105 cm wide and 126cm high. On the dollhouse, the window is 7cm wide a)write a scale statement for the dollhouse? b)what scale
asked by Charlotte 
PHYSICS
Two cars collide at an intersection. Car A, with a mass of 2000kg, is going from west to east, while car B, of mass 1300kg, is going from north to south at 15.0m/s. As a result of this collision, the two cars become enmeshed and move as one afterwards. In
asked by char 
Astronomy
Suppose you weigh 105 . How much would you weigh on other planets in our solar system? Assume you can stand either on the surface or in an airplane in the planet's atmosphere. (Hint: Recall from Chapter Light and Matter that weight is mass times the
asked by AlexJohnson 
PHYSICS
A bat strikes a 0.145kg baseball. Just before impact, the ball is traveling horizontally to the right at 60.0 m/s , and it leaves the bat traveling to the left at an angle of 40degrees above horizontal with a speed of 65.0 m/s . The ball and bat are in
asked by NOT char 
Physics help?
A circular loop in the plane of the paper lies in a 0.78 T magnetic field pointing into the paper. If the loop's diameter changes from 17.8 cm to 6.4 cm in 0.22 s, what is the direction of the induced current? What is the magnitude of the average induced
asked by Nadine 
algebra
tugboat goes 160 miles upstream in 10 hours. The return trip downstream takes 5 hours. Find the speed of the tugboat without a current and the speed of the current. speed of tugboat is speed of the current is
asked by scott 
PHYSICS
Blocks A (mass 2.50 kg) and B (mass 10.00 kg) move on a frictionless, horizontal surface. Initially, block B is at rest and block A is moving toward it at 5.00 m/s. The blocks are equipped with ideal spring bumpers. The collision is headon, so all motion
asked by char 
math
If3,x,y,18 are in arithmetric progression , find the value of x and y
asked by wale 
English
In which sentence is ceased used inappropriately and why: A. After the rain ceased, the sun came out. B. When the teacher told us to be quiet, we ceased talking. C. When we were full, we ceased eating. D. When it got cold, we ceased wearing our jackets. Is
asked by Jane 
Chemistry
Lithium hydroxide is used in the space program to remove carbon dioxide (from respiration) in spacecraft. Specifically, lithium hydroxide, LiOH, reacts with carbon dioxide, CO2, ro form lithium carbonate, Li2CO3, and water. 2LiOH+CO2>Li2CO3+H2O, What mass
asked by Trinny 
Chemistry
Rank the following ionic compounds by lattice energy. Highest to Lowest LiCl MgO Na2O Beo Na2S
asked by Jeremy 
physics
A +5.7C X 10 to the 6 power point charge is on the xaxis at x=3.0m,and a +2.0C X 10 to the 6 power point charge is on the xaxis at x=+1.0m.Determine the net electric field (magnitude and direction) on the yaxis at y=+2.0m.
asked by bob 
Math
Name School Team Event 3: Logic and Reasoning (with calculators) 5th/6th grade Math Meet ‘08 For each number pattern, fill in the next five terms. (2 pts. each blank) ANSWER KEY 1st term 2nd term 3rd term 4th term 5th term 6th term 7th term 8th term 9th
asked by Anonymous 
Physics
A force of 38 newtons is acting on an object making an angle of 65º with the horizontal. What is the value component of the force acting along the yaxis?
asked by LinaBina 
Psychology im stuck
L. L. Thurstone identified seven clusters of primary mental abilities including word fluency, memory, and reasoning. He claimed that word fluency: Question 1 options: underlies all of our intelligent behaviors. is the most difficult mental ability to
asked by milla 
Intermediate Algebra
convert to scientific notation....0.00024
asked by sherry 
physics
Please Help, Two point charges are fixed on the y axis: a negative point charge q1 = 23 µC at y1 = +0.23 m and a positive point charge q2 at y2 = +0.33 m. A third point charge q = +7.8 µC is fixed at the origin. The net electrostatic force exerted on
asked by matt 
math
The 8th term of ap is 5time the 3rd term, while the 7th term is greater than the 4th term, write the first 5 term of the ap
asked by wale 
chemistry
How much heat is absorbed by a 2000 kg granite boulder as energy from the sun causes its temperature to change from 7°C to 24°C?
asked by Anonymous 
Dress making and design
1. For cutting dress fabric, it's recommended that you use A. pinking shears. B. a seam ripper. C. dressmakers shears. D. small scissors. 2. When working with knitted fabrics, you should use A. glass ball pins. B. ballpoint pins. C. short fine pins. D.
asked by Tamera 
6th Grade History
Questions: 1) a priest who brought Christianity to Ireland 2) a separation of the two most important branches of Christianity 3) from this country monks traveled the continent of Europe establishing monasteries. name the country? 4)an iconoclast, or image
asked by ☻i♥zee☻ 
math
The 2nd, 3rd and 4th term of an ap are x2,5,x+2 respectively ,calculate the value of x
asked by wale2 
Physics
The earth has a radius of 6.38 106 m and turns on its axis once every 23.9 h. A. What is the tangential speed (in m/s) of a person living in Ecuador, a country that lies on the equator? (b) At what latitude (i.e., the angle θ in the drawing) is the
asked by Natasha 
math
Salma's penny bank is 1/2 full. After she adds 360 pennies, it is 4/5 full. How many pennies can Salma's bank hold?
asked by steven 
physics
Objects of equal mass are oscillating up and down in simple harmonic motion on two different vertical springs. The spring constant of spring 1 is 186 N/m. The motion of the object on spring 1 has 3 times the amplitude as the motion of the object on spring
asked by Brian 
chemistry
An electron traveling at 4.3×105 m/s has an uncertainty in its velocity of 1.92×105 m/s. What is the uncertainty in its position?
asked by missy 
physics
Some bacteria are propelled by biological motors that spin hairlike flagella. A typical bacterial motor turning at a constant angular velocity has a radius of 1.70e8 m, and a tangential speed at the rim of 2.32 e5 m/s. a) What is the angular speed (the
asked by Natasha 
algebra
an investor invested a total of 1,600 in 2 mutual funds.One fund earned a 6% profit while the other earned a 2% profit. If the investors profit was $56, how much was invested in each mutual fund. amount invested in mutual fund that earned 6% was___ amount
asked by scott 
ms.sue 3 grade english
fact and opionion a statement of fact can be proved true or false. a statement of opinion gives someone's thoughts or feelings about something. words that express feelings,such as best and amazing,ate clues that a sentence is probably and opinion.
asked by dw 
Math
The distance to the nearest 100000 km from Earth to the moon is given as 400000 km.The average speed to the nearest 500 km/h of a rocket to the moon is given as 3500 km/h.Calculate the greatest and least time it could take the rocket to reach the moon.
asked by Friesam 
Chemistry
Rates of reaction, redox reactions? 10 points? An structural isomer of bromobutane (C4H9Br) can be hydrolysed using aqueous sodium hydroxide to produce butanol. This can be represented by the following equation: C4H9Br(l) + OH(aq) > C4H9OH(l) + Br(aq)
asked by Local 
Probability
Jolie has 6 quarters, 6 dimes, 4 nickels, and 10 pennies in her coin purse. If two coins are drawn at random without replacement, what is the probability of drawing a quarter on the first draw and a nickel on the second draw?
asked by Kay 
Physics
A circular loop in the plane of the paper lies in a 0.78 T magnetic field pointing into the paper. If the loop's diameter changes from 17.8 cm to 6.4 cm in 0.22 s, what is the direction of the induced current? What is the magnitude of the average induced
asked by Nadine 
Economics(Please respond, thank you)
Given the wage in dollar per day and the CPI for years 1 and 2 how do you calculate the nominal % increase in wage and the real % increase in wage? I am not sure what to do for this or what the formula is if any. Thank you for your help.
asked by Hannah 
Physics
A wind turbine is initially spinning at a constant angular speed. As the wind's strength gradually increases, the turbine experiences a constant angular acceleration of 0.180 rad/s2. After making 2874 revolutions, its angular speed is 139 rad/s. A. What is
asked by Natasha 
Physics
Work of 700 J is done by stirring an insulated beaker containing 110 g of water. (a) What is the change in the internal energy of the system? J (b) What is the change in the temperature of the water? °C
asked by Tiffany 
pressure
determinr the liquid andabsolute pressure at a depth of 4min aswimmining poolgiven that the atmospheric pressure is approximately 101 kPa
asked by Anonymous 
PHYSÝCS HELP
A satellite with a mass of 113 kg approaches a large planet at a speed vi,1 =10.3 km/s. The planet is moving at a speed vi,2 =14.6 km/s in the opposite direction. The satellite partially orbits the planet and then moves away from the planet in a direction
asked by TUGÝ 
Intermediate Algebra
convert to scientific notation...0.000243
asked by sherry 
Physics. PLEASE HELP!!
A 22 kg girl slides down a playground slide that is 3.6 m high. When she reaches the bottom of the slide, her speed is 1.7 m/s. The acceleration of gravity is 9.81 m/s2. How much energy was dissipated by friction? Answer in units of J
asked by Ashley 
life orientation
identify and describe one environmental problem that causes ill health,accident,crises,and disasters within your community or any other community within south Africa or globally
asked by mokoena terry 
algebra
z varies directly as x^2. If z=36 when x=3,find zwhen x=4.
asked by Jay 
ALGEBRA
An investment of $93,000 was made by a business club. the investment was split into three parts and lasted for one year. The first part of the investment earned 8% interest, the second earned 6% and the third 9%. total interest from the investments was
asked by XOCHIL 
geometry
A square ABCD is inscribed in a circle. The circle is folded to form a semisircle, and another square EFGH is inscribed in this semicirlcle. Find the ratio of the area of the square EFGH to the area of the square ABCD.
asked by hadi 
Physics
An empty cart, tied between two ideal springs, oscillates with ω = 10.1 rad/s.A load is placed in the cart, making the total mass 3.9 times what it was before. What is the new value of ω? rad/s This is how I did it, but its wrong 3.9/3=1.3 then
asked by Romy 
kinetics
An exercise bicycle's flywheel is 30cm in diameter and 2.5 cm thick and is constructed from steel (density=7850 kg m3) its moment of inertia is 0.156 kg m2 about its axis of rotation a) calculate the mass of the flywheel b) calculate the flywheel's radius
asked by dmkp 
geometry
E,F MID POINTS OF AB AND CD PROVE THAT EF=1/2(AE+BC)+EFAD+EFBC HERE ABCD IS A TRAPIZIUM
asked by Anonymous 
Intermediate Algebra
Short Answer.Raise the quanity in parenthesis to the indicated exponents and simplify.Express answers with positive exponents.(27x^0y^2/54x^5y^4)^2
asked by sherry 
CHEMMMMM
Find the Electron DOMAIN GEOMETRY & the MOLECULAR GEOMETRY of the following compounds: 1) ICl3 2) PCl3 3) XeF4 4) SF6 5) TeCl4
asked by BMW 
Chemistry
If I react a phosphorus ylide with transcinnamaldehyde, what would the ratio of transtrans to cistrans isomer would I likely get?
asked by Sam 
Physics
Four people sit in a car. The masses of the people are 41 kg, 47 kg, 53 kg, and 55 kg. The car's mass is 1020 kg. When the car drives over a bump, its springs cause an oscillation with a frequency of 1.00 Hz. What would the frequency be if only the 41kg
asked by Priyanka 
Physics
The prong of a tuning fork moves back and forth when it is set into vibration. The distance the prong moves between its extreme positions is 2.28 mm. If the frequency of the tuning fork is 440.6 Hz, what are the maximum velocity and the maximum
asked by Riya 
CHEMISTRYYYY
Electron DOMAIN GEOMETRY & the MOLECULAR GEOMETRY of the following compounds: 1) ICl3 2) PCl3 3) XeF4 4) SF6 5) TeCl4
asked by BMW 
calculus
find the total differential of the function f(x,y)= xye^(x+y)
asked by robert 
english 2
what is the topic sentence in this paragraph? Nearly everyone is familiar with the dark silhouette of the giant saguaro, its arms thrust stiffly out. However, few people have actually seen this aweinspiring plant in its natural habitat, since it is found
asked by kema 
budget
Which one of the following statements best describes what a budget is?
asked by nay nay 
Math
Steve is building a slide for a new park. He wants the height of the slide to be 6 feet, and he wants the horizontal distance along the ground to measure 14 feet. After building the slide, Steve decides the slide needs a vertical safety support and wants
asked by Jae 
Finance
We are currently bidding on Treasury bills and have determined that we must have a 5% return for a $1,000 TBill that will mature in one year. How much would we be willing to bid on the Treasury bill? If we are bidding on a 13 weeks Treasury bill with a 1%
asked by Kim 
fourth grade math
one factor of the mystery number is 7 the other factor is an odd number greater than 8 and less than 15 the mystery number is greater than 75 the sum of the digits of the mystery number is 10 what is the mystery number? what is the missing factor????
asked by breana 
algebra
use method of substitution to solve the system of linear equations. 2xy=3 9x4y=14 is the solution an ordered pair(,)
asked by scott 
SCIENCE
when 10.0 ml of .012 M PbNO32 is mixed with 10.0 ml of .030 M KI, a yellow precipitate of PbI2 forms. calculate the initial molarity of Pb+2 calculate the initial molarity of I On measuring the equilibrium concentration of I, it came out to be 8.0 x
asked by dfdf 
ChemistryExperiment
I did an experiment where I had 5 ml of MgCl2, then 5 ml NH4 solution (NH4OH (aq)) was added and it was observed that a precipitate formed; cloudy solution. After I added 1g of NH4Cl(s), the solution clears up (transparent). 2nd experiment: There was 5ml
asked by Fresca 
Intermediate Algebra
Simplify the following exponents and rewrite it in an equivalent form with positive exponents..24x^3y^3/72x^5y^1
asked by sherry 
Intermediate Algebra
Short answer.Raise quanity in parenthesis to the indicated exponents and simplify te resulting expression. Express powers with positive exponents.(50x^2y^4/200x^2y^4)^3
asked by sherry 
Psychology
he heritability of intelligence refers to: Question 10 options: the extent to which an individual's intelligence is attributable to genetic factors. the percentage of variation in intelligence within a group that is attributable to genetic factors. the
asked by milla 
algebra
use elimination method to solve. A+6b=14 A+2b=2 does it have (a)one solution (b)Infin. many sol (c)no solution
asked by scott 
physics
two egatively charged particles repel one other with an electrostatic force of 5 newtons. determine how the sign and manitude of this force changes when; a. the distance between them is doubled, b. the distance is cut in half., c. one particle's charge is
asked by savid 
Chem 2
need to figure out how to calculate. the value of DeltaH for the reaction below is 72kj_____kj of heat are released when 1.0 mole of HBr is formed in this reaction. H2(g)*Br2(g)> 2HBr(g) I know the answer is 36 but need help
asked by Debbie 
math
Estimate the gallons of paint needed to cover the outside of a cylindrical silo which is 30 feet in diameter and 70 feet high. Do not include any roof area. The paint covers approximately 150 square feet/gallon.
asked by Nilan 
Ethnics
I am a little confused on how to research the following: • Select 1 racial group from the list below: o African American o Asian American o Arab American o Hispanic American/Latino o White/Caucasian •Write a 250 to 350word summary of the economic,
asked by Bella 
introduction
The most basic purpose of reading is A. acquiring insight. B. education. C. getting information. D. providing entertainment.
asked by anexeu 
Physics
How much heat must be added to 30 g of water at an initial temperature of 62°C to completely convert the 100°C water to steam?
asked by Tiffany 
Algebra
wht is the area of a circle with a circumference of 25 meters? I have to use pi(3.14) and round to the nearest square meter.
asked by Crystal 
algerbra
what is the area of a rectangle 14ft x 8ft
asked by aleah 
geometry
Need help please: (3,0) (7,6) (x7)2 + (y6)2 = 7(2) (x7)2 + (y6)2 = 49
asked by Kel 
Math Problem
Please Help type exponential notation with positive exponents Divide and simplify c^7/c^16
asked by Lavern 
math
A mulch layer 2 inches thick is to be spread over a bed of landscape plants. If the bed measures 8ft x 20ft, how many bags of mulch must you buy? Each bag contains 3 cubic feet of mulch.
asked by Remmy 
ALGEBRA
The perimeter of a rectangle is 18 ft.The length is 1 ft longer than the width. Find the deminsions using a system of linear equations.
asked by XOCHIL 
algebra
solve by addition method x +3y +z =6 3x + y – z = 2 2x +2y – z = 1
asked by sally 
English
I am trying to write a paper but I am having a difficult time understanding the way you use first person in APA style. The instructions are: Use APA format For this assignment you may use first person and use the questions as subheadings. I need and
asked by RT 
physics
Use these magnitudes of the forces of gravity at Earth's surface to determine the masses of the objects on which they act A)0.98N. B)62N C)44.5MN
asked by Maggie 
kinetics
A car is travelling on a banked circular racetrack, Given that the track is banked at an angle of 16degree to the horizontal and the radius of the track is 50 metres and there are no friction forces present a) draw a free body diagram of the car
asked by dmkp 
Math situation
please help me solve Multiply and simplify type exponential notation with positive exponents (64a^2)/(2a^216a+32) x (2a8)/8a
asked by Sandra M 
Math
Explain How You got the answer please, because the answer I keep getting doesn't even match any of the answers. A telephone dial has holes numbered from 0 to 9 inclusive, and eight of these holes are also lettered. How many different telephone numbers are
asked by Kaya 
English
Writeacher, I need your help to find exercises on the following grammar topics: 1) Defining and nondefining relative clauses. (e.g. two sentences to combine ...) 2) Wish (+ simple past, past perfect, would + inf.) 3)Indirect speech (reporting verbs such
asked by Matthew 
physics
What is the weight of each of the following masses at Earths surface? A) 25g. B)102kg. C) 12mg
asked by Maggie 
Life orientation
Name 2 institutions /community organizations that are supporting or giving redress to deforestation .
asked by Deeja 
accounts
a business leases a building for one year starting 1 october 2003. The rent is $24000 per year and business paid cash one year in advance on 1 october 2003. on dec. 31 2003 how much of that payment should be recorded as a rental expense and how much should
asked by steve 
algebra
volume of a rectangular prism:600m cubed length:30m Width:?? Hetght:4m Cant figure out the width. Please help
asked by Crystal 
math  please help
The 7 inch diameter drive drum of a belt conveyor is turning at 130 rpm. What is the belt speed (ft/min) if there is no slip between the belt and drum?
asked by Sushmitha 
Algebra
The circumfernce of a circus ring is 13 meters. Esimate the radius of the ring.
asked by Crystal 
algebra
the perimeter of a rectangle is 182 inches the length exceeds the width by 59 inches find the length and the width
asked by felicia 
World Geography Europe
How has Europe's peninsula geography influenced its history?
asked by Michelle 
ENGLISH revised
BACKGROUND: Ten years ago, I started working as a clerk for DMD Medical Supplies. Six months ago, Liz, the human resources director, promoted me to office manager. I manage two employees: Jack and Ruth. My office provides secretarial support for the four
asked by Kayla 
Intermediate Algebra
simplify expression..sqrt11,sqrt.55
asked by sherry 
Calculus
So I'm trying to do my homework on L'Hopital's rule. There's this one problem I have to do where I have to find the limit as x approaches negative infinity of (x^4)(e^x). How do I do this, since it's not in the form f(x)/g(x)? Thanks
asked by Jasmine 
ENGLISH Revised
BACKGROUND: Ten years ago, I started working as a clerk for DMD Medical Supplies. Six months ago, Liz, the human resources director, promoted me to office manager. I manage two employees: Jack and Ruth. My office provides secretarial support for the four
asked by Kayla 
Math
The position of a car piston within the cylinder is described by the equation: y = S sin(360 r t  90 Where S is the stroke length of the cylinder, r is the rpm of the crank shaft, and t is the time in minutes. If the stroke length is 2 inches and the
asked by jof 
math
If the length of the pendulum is 14.8 cm and q = 22 ° , find the horizontal displacement of the pendulum.
asked by jof 
algebra
need helo solving this Equate y=4 to y=mx+b. What is the value for m so that these equations are equivalent I need a fast response on how to solve this problem can someone help please?
asked by misty 
healthcare
What are the 4 steps in making a complaint at aged care
asked by Lisa 
physics
Use these magnitudes of the forces of gravity at Earth's surface to determine the masses of the objects on which they act A)0.98N. B)62N C)44.5MN
asked by Maggie 
World History
Why were the cash economies introduced by the Europeans unsuitable for African countries?
asked by Sarah 
Math
Plz explain to me how to do this problem? A red river is 4000 miles long the yellow river is 98.8% length of the amazon. What is the length of red r.
asked by Amy 
math
How many pounds of water are in a 36 ft diameter tank that is filled to a depth of 24 ft? Thank you.
asked by Sejul 
ENGLISH Revised
BACKGROUND: Ten years ago, I started working as a clerk for DMD Medical Supplies. Six months ago, Liz, the human resources director, promoted me to office manager. I manage two employees: Jack and Ruth. My office provides secretarial support for the four
asked by Kayla 
Tech math
In the function y = sin (2x + 75 ° ) find the value of y when x = 295 ° .
asked by jof 
English 3
Why did Ratcliffe replace the original president?
asked by Ca 
math
Convert: 4600 bushel corn at standard moisture to ___tons What does standard moisture mean? Convert: 10 psfito ___ oz/in^2
asked by Nabil 
Math
$10,000.00 loan at 8% to be paid in full in 88 months. How much interest would be due at the payoff of the loan?
asked by Susan 
Algebra
Suppose a market research company finds that at a price (y) of $30, they would sell x =10 tshirts. If they lower the price to y = $20, then more people would purchase the tshirts, and they can expect to sell x = 30 tshirts. Find the equation of the line
asked by Gurlredneck 
Calculus
What is the antiderivative of: (x  x^3) / (x^4 +1)? I know that somehow I will need to factor out 1/(x^2 + 1), or the derivative of arctan, but I'm not quite sure how to do this. Any help is appreciated, thank you.
asked by Anonymous 
math problem
please help having trouble with this (x+7)(x12)(x+5)>0 the solution set is or is it all real numbers.
asked by Lavern 
Health
When keeping a food diary, you should record? A. Who prepared the food B. Where you ate C. How the food was prepared D. When you last ate a similar dish I thought it was C. but i got it wrong. Is it B?
asked by Destini 
history
Which system of government rests furthest left on the political spectrum and, as a totalitarian regime, focuses on the government owning all aspects of the economy, including property and the means of production?
asked by aries 
chemisry
Use the ideal gas equation to answer this question. (Recall that R is .0821 L · atm/K · mol. ) What pressure is exerted by .35 moles of a gas at 23 0 C if it is held in a container with a volume of 2.3 liters?
asked by Anonymous 
Math
How much money would've saved on $85000 mortgage if interest was 6% rather than 8% for 20 years?
asked by Anonymous 
math  help please
A lawn sprinkler covers a rectangular pattern of 20ft x 30ft. If the flow rate of the sprinkler is 2.5 gpm, derive a formula for calculating the time (hours) to apply D inches of water over one 20ft x 30ft area. 2)What are the units on the constant?
asked by Anil 
math problem
subtract the polynomials please help having trouble (12a^2+3a+3)(6a^2+3)
asked by Lavern 
English
What are some of disadvantage if we preseving our cultural resources?
asked by Fakaapo. Suetusi 
healthcare
Can you give me a descrption for the use of the following of communication progress notes care plan: Assessment form:
asked by Lisa 
Grammar
Im using the same word feel as a linking verb, please tell me if this is a correct word for feel as a linking verb The weather today feels warm.
asked by Losa 
COLLEGE CALCULUS. HELP!
antiderivation given f"(x)=3x+0 and f'(1)=1 and f(1)=5 find f'(x)=? and find f(2)
asked by MILY 
maths
the equation of the circle is x^2+y^2+2x8y1=0. Find the coordinates of the point where the circle crosses the xaxis
asked by mumba 
guidance problem
using rewards as behavior modification techniques .do you think it is a beneficial or appropriate.why or why not/
asked by maagoo 
bio anatomy
I am doing a paper on the occipital lobe. My sources have to be very reliable and good. Do you know oh any collages or universitys that have done research and have info on the occipital lobe on the internet? Or any other good sources? thanks
asked by rebekah 
calculus
find the total differential of the function. f(x,y) = 5y/xy
asked by robert 
physics
The justice league is playing baseball with 5kg rockets. The flash's top speed is 300m/s and a home run requires a 180m run. The rockets accerlate at 1200m/s^2, Superman catches it 30m from home, and decelerates it with 2700N. Once he stops the rocket, he
asked by karly 
Intermediate Algebra
Multiply.(2/5t1)(3/5t+1)
asked by sherry 
Intermediate Algebra
Simplify. Show work.(6a^8+0.2a^27)
asked by sherry 
us history
what did LOWELL MILL STRIKERS do?
asked by ruby 
Intermediate Algebra
Find the circumference of a circle with the radius of 5ft .
asked by sherry 
Intermediate Algebra
this what i meant..Short answer .Raise the quanity in parenthesisto the indicated exponents and simplify the resulting expression.Express with positive exponents.(50x^2y^4/200x^2y^4)^3
asked by sherry 
chemistry
A gas sample in a sealed vial originally at 0.6 atm and 300 K, was heated at 450 K. What other property of the gas has changed? What is the value of this property after heating?
asked by Alicia 
Physics: Second Part of first question
If the slide is inclined at 55 , what is thecoefficient of friction between the girl and the slide?
asked by Ashley 
ENGLISH; improving your writing
BACKGROUND: Ten years ago, I started working as a clerk for DMD Medical Supplies. Six months ago, Liz, the human resources director, promoted me to office manager. I manage two employees: Jack and Ruth. My office provides secretarial support for the four
asked by Kayla 
healthcare
List 4 basic actions that staff need to carry out to ensure an effective response to observed or stated clients issues
asked by Lisa 
Advanced Mathematics
Please help me solve this; Solve these inequalities and graph your solution on a number line (i) 2x1/5 ≥ x/2  2
asked by Beverly 
Calculus
Another one I'm not sure about is the limit as x approaches infinity of (x^2)/lnx I took the derivative of the top and bottom and got 2x/(1/x) which is the same thing as 2x^2. Can I keep going or do I just say that the limit does not exist?
asked by Jasmine 
Math Problem
simlify by removing factors of 1 (r^21)/(r+1)square 2
asked by Lavern 
math
Matt owns an ice cream shop and wants to know the volume of the sugar cones that he has in his shop. Find the approximate volume of the sugar cone if the radius is 4 cm and the height is 12 cm.
asked by ale 
healthcare
List 4 ways you can provide your supervisor with information about strategies that work for staff implementing service planning service delivery to clients at aged care?
asked by Lisa 
chemistry
can you show me step by step how to convert in.Hg to atm
asked by fuzz 
maths
prove that(cotxtanx)cosx=cosec1x2sinx
asked by masta 
algebra
r^3+216/r+6=
asked by Anna 
math
. Susan's room is 9 feet long. The area of the room is 54 square feet.What is the perimeter of her room?
asked by Anonymous 
math
4.10:1.90 in the form of n:1
asked by osi 
ALGEBRA
solve this system of equations and solve for triple pair: x+y+z=8 2y+4y+2z=26 x+8y3z=26
asked by XOCHIL 
Intermediate Algebra
Simplify. Show work.(6a^8+0.2a^27)
asked by sherry 
Math
What is the number of revolutions in a 450pi radians
asked by Josh 
healthcare
how can a care staff contribute to the clients service delivery plan
asked by Lisa 
MATH
STEVE MIXES TOGETHER 1 6/8 GALLONS OF APPLEJUCIE, 1 3/8 OF ORANGEJUCIE, AND 1 1/8 GALLONS OF CRANBERRYJUCIE. HOW MUCH FRUIT DOES HE MAKE?
asked by TERRENCE 
arithmetic
how to solve x^2*x=8556
asked by kishore 
physicsplease help
how do you find beat frequency?
asked by sara 
Math
How many 20" tiles is needed for a 1200 square feet room
asked by Anthony 
math situation
subtract and simplify by collecting like radical terms if possible 4ã82ã2
asked by Sandra M 
math
A lawn sprinkler covers a rectangular pattern of 20ft x 30ft. 1)If the flow rate of the sprinkler is 2.5 gpm, derive a formula for calculating the time (hours) to apply D inches of water over one 20ft x 30ft area. 2)What are the units on the constant?
asked by Anil 
geometry
Need help please: (3,0) (7,6) (x7)2 + (y6)2 = 7(2) (x7)2 + (y6)2 = 49
asked by Kel 
math situation
use rational exponents to write x 1/4.y 1/6.z 1/9 as a single radical expression
asked by Sandra M 
math
7, 4, 1, 2 it is a mathematical sequence
asked by alyssa