Questions Asked on
August 18, 2015

maths
If root2=1.4 and root3=1.7 find value of 4/3 root32 root 2+3/3 root3+2 root 2
asked by rishi 
algebra
which of the following assessment types has the greatest effect on your overall grade
asked by ciara 
Chemistry
1) A reactions has a delta H of 76 Kj and a delta S of 117 J/K. Is the reaction spontaneous at 298 K? Work: Delta G= 76kJ/mol  298K(117J/K/1000) Delta G= 41.134 Spontaneous 2) A reaction has a delta H of 11 kJ and a delta S of 49 J/K. Calculate the
asked by Finn 
Language Arts
Identify the antecedent for the underlined pronoun in the sentence below. The boy was excited about his date with Sheila, but he didn't know how (it) would turn out. It is underlined A. boy B. date C. Sheila Is the answer B? Thank you
asked by Liz 
Augusco
The speed of a car weighing 1500kg increase from 40m/s to 50m/s.calculate the change in its momentum
asked by Prince 
Calculus 1
A box with an open top is to be constructed from a rectangular piece of cardboard with dimensions 18 in. by 30 in. by cutting out equal squares of side x at each corner and then folding up the sides as in the figure. Express the volume V of the box as a
asked by TayB 
maths
if 24y5 is a multiple of 3 where y is the digit what might be the value of y?
asked by shehzad 
algebra
A CD costs $17.95 plus tax. The sales tax rate is 7.5%. Find the total cost of the CD.
asked by Juliet 
Diff Calculus
a swimming pool is 5m wide, 10m long, 1m deep at the shallow end, and 3 m deep at its deepest point. a cross section is shown in the figure. if the pool is being filled at a rate of 0.1 m3/min, how fast is the water level rising when the depth at the
asked by Gene 
Language Arts
What is the most important element of the plot of Lord of the Rings? a) the elves sailing away on ships b) Galadriel's gifts of magic c) the journey to destroy the ring or d) the journey to Rivendell. I think it is C) the journey to destroy the ring.
asked by Kelly 
managerial economics
TC=16Q2+10Q+36
asked by narender 
Math
There were 35 gallons of water in a tank and 4.5 gallons of water in a pail. An equal amount of water was poured into the tank and the pail. The ratio of the water in the tank to that pail became 7:2. a. how much water was in the pail at the end? b.how
asked by UnKnown 
english plz plz help
Which of the following lines of dialogue best reveals Ram's false heritage to the landlord? a. "You look like a man who could tell me the right place to go." b. "I am an Untouchable from the heart of India." c. "Man is forever studying ways and means until
asked by ray 
cp biology
include the following vocabulary when completing the concept map. be sure to PLACE THE WORDS in the correct step of the scientific method, and DISCUSS what occurs at each step. words: qualitative data quantitative data independent variable data analysis/
asked by rachel 
algebra
whats the difference between a 16 ounce brick and a carpenter?
asked by jose 
Math
R is a 3 digit number The first digit is the answer when the third digit is divided by 5. The second and third digits add to 8. The difference of the first and second digit is 2.
asked by Ashlee 
physics
The length of spring is alpha when force of 4 N is applied on it. The length is beta when force of 5 N is applied then the length of spring when 9 N force is applied is ?
asked by Muqadas 
physics
A boy runs 10.3 blocks North, 6.1 blocks Northeast, and 5 blocks West. Determine the length of the displacement vector that goes from the starting point to his final position. Determine the direction of the displacement vector. Use counterclockwise as the
asked by Anonymous 
Math
A car engine is running at 5000 revolutions per minute. (a) how many revolutions are made in one hour? (b)if this engine uses 10 litres of fuel in one hour, how much fuel, in millilitres,does it use for every revolution?
asked by Tan 
math
A large field measures 70 feet by 525 feet. If you divide it up into equal square garden plots , what size would the largest possible plot be with the sides of whole number length?
asked by Jadon 
Chemistry
During its combustion, ethane combines with oxygen to give carbon dioxide and water. A sample of ethane was burned completely and the water that formed has a mass of 1.61 grams. How many grams of ethane were in the sample?
asked by Margaleta 
precal
find the length of side b ABC to the nearest whole number if A = 42, B = 87, and a = 24
asked by sabrina 
math
at the rate of 50 mph a car can travel 14.6 miles for each gallon of gas used. On a trip Mr. Hanson used 12.5 gallons of gas traveling at a speed of 50 mph. the number of miles covered during the trip was:
asked by Terry 
Lyncheez Bee (math)
The sum of digits in a three digit number is nine. The tens digit is half the other two and the hundreds digit is half the units digits. Find the total value of the number
asked by morrice brown 
Math (Calculus)
Hello, I have a difficulty with the following question. The question is asking to find the slope of the tangent at x=3 for this function: f(x)=4x^3/sinx. X is measured in radians. The is the derivative of f(x): f'(x)=(12x^2)(sinx)^1 +
asked by Constantine 
Mmokeng secondary school
What type of structure would house the circuit most effectively?
asked by Ramonokoana retshepile 
Social studies.
The earliest type of trade was A. Bartering B. Currency C. Economies D. Cowry shell currency Is the answer A? Thank you
asked by Liz 
Mathmatics
I want to be able to have $50,000 a year during retirement. I want to make sure that I can have it until I am 100 years old. I plan to retire at 65. I can earn 6%. How much do I need to have at retirement to be able to make it?
asked by Lindsay 
introduction to computers
you need to install an operating system on a computer that will be sharing files for the company employees. You estimate there eill be as many as 15 users accessing these files at one time. Which operating system is ideally suited for this machine?
asked by Anonymous 
Math
How do you graph mixed fraction from a table on a coordinate plane ?? Thanks
asked by Mariam 
algebra
write the following using exponents: 555
asked by maria 
Mathes
400000000
asked by Joseph 
math sqrt root
1) x¡Ô2x + 2¡Ô2x^3 + 2x^2/¡Ô2x Ans 4x¡Ô2x 2) (1/2)^1/3 Ans 3¡Ô1/2 = 3¡Ô4 /2 3) ¡Ô2/3 Ans ¡Ô6/3 4) 3¡Ô2/3 Ans 3¡Ô18/3 5) ¡Ô2 + 1/¡Ô2 Ans 3¡Ô2/2 Please help I really don't know how to simplify.
asked by Kevin 
algebra
I think it is: (5)(5)(5)
asked by maria 
Algebra
I have a problem that reads as: 4x2y=12 4x+8y=24 And when solved the answer is (2,2), but I checked the answer in the back and it says (6,6) How does that WORK??
asked by Liz 
usiness math
You decide to take out an ordinary interest loan of $30,000 at 4%, on a 90 day note. a) In 45 days you decide to make a payment of $10,000 on the loan. What is your new principal? Explain how you got the answer.
asked by eline 
Slope
Can you teach me how to determine the slope using the equation below? y=6x+3
asked by Jina 
AP world
I can do research for a thesis on whatever AP World topic I want, but I can't find a favorite. Do you guys have any interesting topics you think would be nice to research?
asked by Sara 
Math (Probability)
A spinner is divided into x equal sectors, numbered 1 through x . The probability of spinning a number less than four is 1/10. Determine the value of x
asked by Zena 
Math
A triangle has one side that lies along the line y=1/4x and another that lies along the line y=1/4x. Which of the following points could be a vertex of the triangle? A. (4,4) B. (0,0) C. (4,2) D. (1,8) E. (2,8)
asked by Jina 
math
Paula always withdraws 20 dollars more than she needs from the bank. a. Write an expression for the amount of money Paula withdraws if she needs d dollars. b. Find the amount of money Paula withdraws if she needs 20, 60, and 75 dollars.
asked by rachel 
chemistry
/Users/Sydneyvanalphen/Desktop/Screen Shot 20150818 at 3.21.30 PM.png hi i need help with this homework problem I don't get how they are getting the answer 75?
asked by sydney 
Calculus
Hello, Could somebody kindly check my answer for the following question? Find the derivative of the following function: h(x)=3e^(sin(x+2)) h'(x)=3'(e^(sin(x+2))+3(e^(sin(x+2))' h'(x)=0(e^(sin(x+2))+3(e^(sin(x+2))(cos(1)) h'(x)=3cos1(e^(sin(x+2)) I would
asked by Constantine 
Calculus 1
A Norman window has the shape of a rectangle surmounted by a semicircle. If the perimeter of the window is 32 ft, express the area A of the window as a function of the width x of the window.
asked by TayB 
Environmental Conservation
What are the loopholes in blindly assuming that Traditional Ecological Knowledge (TEK) is the most complete knowledge for effective conservation? What are the possibilities of linking traditional knowledge with scientific methods to help in conservation
asked by Ana 
Chemistry
Calculate the pH of a potassium phosphate buffer if the pKa of KH2PO4 is 7.2 and the acidbase ratio is 2:1 I took Chemistry 7 years ago and am in a review for a Biochem course I am takin. I do not remember the basics so any help with how to get started or
asked by Liz 
english
Either one of them __ enough experience to do the job. Twenty years __ a lot of time in the field, and that’s how long they’ve been doing this work. Which of the following options correctly completes the sentence above? has, are has, is have, are have,
asked by solanch 
english
The store will stay open later during the holiday season. The store will stock a variety of seasonal merchandise. The store will have many discounts available for holiday shoppers. When revising the paragraph above, the writer should address which of the
asked by solanch 
english
Understanding which flavors complement each other can take years of practice Following these basic tenets will allow you to produce recipes that your friends and family will love to share. Once you’ve mastered flavor combinations, however, there’s no
asked by solanch 
Math
What is 9 divided by 7 with the answer in fraction form?
asked by Janey 
algebra
Could someone please help. Consider the function 3x^27. Find f(2). a) 1 b) 5 c) 5 d) 0 I think its a) 1 but not sure. Thank you for your help
asked by jay 
jfk
A border will be put up in a 12ft by 16ft room. What is the maximum length should be bought? Why might less be needed?
asked by zion 
science
Should designers of Olympic medals use oxygen (O) to make an Olympic medal?
asked by Science 
Science
what are the effects of oxygen on medal.
asked by Lily 
math 5
In the cafeteria,100 milk cartons were put out for breakfast. At the end of breakfast,27 remained.
asked by Heleina 
English
1.If para means beyond, then a paradox is something that is... 2.Examples of dogma 3.Using literal translations without the dictionary. The prefix ortho means "straight" or "correct" The prefix hetero means "different" The prefix homo means "same"
asked by Stephanie 
Math dimensional anaylsis
To make a banner for a football game: 9 yard banner can be made in 3 hours. What is the rate of work in feet per minute?
asked by Paige 
Physics
what is the schwarzschild radius of a black hole with a mass of 1.68x10^43kg
asked by Zack 
calculus
find the minimum and maximum points of the curve y=x^44x^3+4x^2
asked by leo 
Math algebr
Desire which property is illustrated by the given statement Which property is illustrated by the equation 3/7 (17) =  17 ( 3/7) A. Commutative property of multiplication B. Associative property of addition C. Distributive property D. Associative property
asked by Davis 
Life orientation
Identify environmental issues that cause illhealth
asked by Sbuzo dube 
Chemistry
Predict whether the following reactions would be spontaneous or not under standard conditions or if it's impossible to tell. 2 KClO3(s) + 3 C(s) > 3CO2(g) + 2KCl(s) Exothermic 2 NO(g) + O2(g) > 2NO2(g) Exothermic H2(g) + Zn(ClO3)2(s) > 2HClO3(l) +
asked by Finn 
Biology
what is the scientific meaning to the word foundation?
asked by Jill 
Physics
How Much Work Is Done Against Gravity In Sliding A 500g Object Through 2m Up A Smooth Plane That Is Inclined 30degree To The Horizontal(g=9.8)
asked by Anonymous 
algebra
If 192,x,y,3 form a geometic sequence, calculate the valuest of x and y.
asked by Edward 
Math
6 7/8 + 2 3/8=
asked by LS 
Algebra
Christina has three more quarters than dimes. The total value of the dimes and quarters is $13. How many quarters does she have?
asked by Emily 
chemistry
what are the precautions taken while preparing tris(acetylacetonato)manganese 3 from potassium permanganate and acetylacetone.
asked by elina 
k12
which of the following assessments types has the greatest effect on your overall
asked by Dina 
Math
It takes Kasey 1 2/3 hours to bike the Woodlawn Trail. It takes her 3 5/6 hours to bike the Hammerside Trail. How many times as long does it take Kasey to bike the Hammerside Trail than the Woodlawn Trail ? A. 2 1/6 B. 2 3/10 C. 2 1/3 D. 5 1/2 How to solve
asked by Rachel 
G.J.PUC
An orgonic compound on analysis is found to contain C=18.6% , H=1.55% , Cl=55.04% , and O=24.8%.Calculate its molecular formula?
asked by Sachina 
MATH
Whats 12 * 4/5 = ?/1 * ?/? = ?/? * ?/? = what? doesnt make sense
asked by Bro 
science
An eagle is a carnivore. It MOST LIKELY gets the energy it needs to reproduce from A) oxygen. B) plants. C) the sun. D) rodents.
asked by ttng 
health
How is family therapy a treatment option?
asked by vandr5a 
physics
The magnitude of the velocity of a projectile when it is at its maximum height above ground level is 15 m/s. (a) What is the magnitude of the velocity of the projectile 1.2 s before it achieves its maximum height? (b) What is the magnitude of the velocity
asked by gar 
maths
write 194 in the form of 10k a
asked by shehzad 
maths
if 91z 5 is a multiple of 9 where z is a digit what might be the value of z?
asked by shehzad 
Algebra
Simplify: ∜(8/9a^3) The answer key says 648/(a^3)^(1/4). ??????????
asked by Anonymous 
Business
I can only put away $1,000 a year toward retirement. I am 22 and plan on retiring at 65 and earning 6%. How much will I have at retirement? Not positive the answer I got is correct..my answer is $464,215.00
asked by Janice 
maths
let n be a natural number such that the division n¡5 leaves a remainder 4 and the division n¡2 leaves a remainder 1 what must be the unit digit of n?
asked by shehzad 
math
Y varies partly as X and as X^2 when X=2 Y=14 and when X=5 Y=65.Express Y interm of X hence find Y when X=2
asked by charity 
physics
Two workers pull horizontally on a heavy box, but one pulls twice as hard as the other. The larger pull is directed at 25.0 degrees west of north, and the resultant of these two pulls is 350.0 N directly northward. Use vector components to find the
asked by Anne 
Algebra
y=(x^2 + 2)/ (3x^2  5) Is the asymptote at x= sqrt. 5/3 y=o
asked by Anonymous 
Maths lit,economics,business studies,tourism
Teachers say ''tourism is like Life Orientation at Varsity'' so next year i will no longer exist. What will i do and other learners,please help?
asked by Thabo Maunatlala 
Math
I posted this under business the first time and got no answer so since its more mathematical here it is again: I can only put away $1,000 a year toward retirement. I am 22 and plan on retiring at 65 and earning 6%. How much will I have at retirement? Not
asked by Janice 
Tourism
Is it true that Tourism is like Life Orientation at Varsity?
asked by Thabo Maunatlala 
health
Using the Dietary Guidelines for Americans, 2010 as a reference, evaluate the 3 webbased nutrition sites listed below. Explain why you think the information is accurate or not. Dietary Guidelines for Americans, 2010: Do I need to write about what? How the
asked by crissy 
introduction to computers
how do you access the context menu for a desktop or a file in windows explorer
asked by Anonymous 
phaphamani secondary
State ohms law in words
asked by zanele