Questions Asked on
October 25, 2013

Alg 2
The value of y varies directly with x. If y = 64 when x is 16, what is x when y is 288?
asked by Chloe 
business math
Sam Long anticipates he will need approximately $225,000 in 15 years to cover his 3yearold daughter’s college bills for a 4year degree.How much would he have to invest today at an interest rate of 8 percent compounded semiannually?
asked by martha 
algebra with finance
A video game has been developed whereby the player must earn a certain number of experience points before progressing to the next level. On level 1, a player must earn 1 experience point. On level 2, a player must earn 4 experience points. On level 3, a
asked by nene 
reading
what assonance is in the poem daffodils by williamwordsworth?
asked by Steven 
English
Please help me. I only want to know if I've answered these correctly. Thank you. 1. After the rioters in "The Pardoner's Tale" abandon their search for Death, they murder one another. This is an example of: A. dramatic irony B. situational irony C. verbal
asked by Eri Uchi 
Ancient History
1)How did Sparta treat the Messenians? 2)What type of society did Sparta create in response to the revolt? 3)How did Athenian avoid major political Upheavels? 4)What economic and political reforms did Solon initiate? 5)What steps did Cleisthenes take to
asked by Anonymous 
Physics
A 0.490kg block is attached to a horizontal spring that is at its equilibrium length, and whose force constant is 25.0N/m . The block rests on a frictionless surface. A 6.00×10−2kg wad of putty is thrown horizontally at the block, hitting it with a
asked by Lhaedy 
Physics
A railroad gun of mass M = 3.0 kg fires a shell of mass m=1.0 kg at an angle of θ= 45.0 ∘ with respect to the horizontal as measured relative to the gun. After the firing is complete, the final speed of the projectile relative to the gun (muzzle
asked by Anonymous 
science
On average, froghopper insects have a mass of 12.3 mg and jump to a height of 428 mm. The takeoff velocity is achieved as the little critter flexes its leg over a distance of approximately 2.0 mm. Assume a vertical jump with constant acceleration. How long
asked by kendall 
chemistry 1
How do you write balanced equations A. Neutron emission by 88Br B. Electron absorption by 116Sb C. Positron emission by 184Hg D. Alpha emission by 229Th E. Neutron capture by 200Hg
asked by Alexus 
Science
What is a substance that cannot be separated into simpler substances by physical or mechanical methods such as filtering, boiling, or sifting?
asked by Jeff 
Chemistry
Calculate the mass of AgCl that will dissolve in 100ml of 2 M NH3 ksp AgCl = 1.7x10^10 and Kf of Ag(NH3)2 = 1.6x10^7
asked by Michelle 
Chemistry (reposts#6)
!A 100.0 mL aliquot of 0.200 M aqueous calcium hydroxide is mixed with ! 100.0 mL of 0.200 M aqueous aluminum nitrate. a.)! Write a complete molecular equation for this reaction, including phases b.)! Write a net ionic equation for this reaction, including
asked by Anonymous 
Physics
A 700kg car stopped at an intersection is rearended by a 1710kg truck moving with a speed of 16.0m/s . 1) If the car was in neutral and its brakes were off, so that the collision is approximately elastic, find the final speed of the truck. 2)Find the
asked by Lhaedy 
Physics
Student observed ten antinodes on a string of length 1.70 m under tension produced by a mass of 0.22 kg. The string linear density is 1.3 gram/meter. What is the difference between the transverse wave velocity calculated from the string material properties
asked by Amy 
Physics
A railroad gun of mass M = 3.0 kg fires a shell of mass m=1.0 kg at an angle of θ= 45.0 ∘ with respect to the horizontal as measured relative to the gun. After the firing is complete, the final speed of the projectile relative to the gun (muzzle
asked by Anonymous 
science linear equation
A theater is presenting a program on drinking and driving for students and their parents. The proceeds will be donated to a local alcohol information center. Admission is $18 for parents and $9 for students. However, this situation has two constraints: The
asked by Duke 
science
On average, froghopper insects have a mass of 12.3 mg and jump to a height of 428 mm. The takeoff velocity is achieved as the little critter flexes its leg over a distance of approximately 2.0 mm. Assume a vertical jump with constant acceleration. How long
asked by kendall 
English
1. Congratulations you on winning first prize in the spelling contest. 2. Congratulations you on your winning first prize in the spelling contest. 3. Congratulations on winning first prize in the spelling contest. 4. Congratulations on your winning first
asked by rfvv 
physics
a large nuclear power plant generates electric energy at the rate of 1000 MW. how many joules of electricity does the plant generate in one day? what is the mass of this much energy?
asked by Ali 
Physics
The experimental strings are not ideally rigid, and have some elasticity: the stronger the pull, the bigger the elongation. What is the effect on the transverse wave velocity as compared to the transverse wave velocity in an ideal string?
asked by Amy 
physics (science)
John walks 1.0 km north, turns and walks 1.2 km at 50 degrees north of due east, and then turns and walks .8 km at 25 degrees north of east. what is the resultant distance and direction he has flown
asked by Eva 
accounting
using the breakeven equations to solve for price and variable cost per unit andromeda company's breakeven point is 2,400 units. variable cost per unit is $42; total costs are 67,200 per year. what price does andromeda charge?
asked by jackie 
math
The bacteria in a certain culture double every 7.5 hours. The culture has 6,500 bacteria at the start. How many bacteria will the culture contain after 3 hours? Select one:
asked by Anonymous 
math
Ali runs 6 miles in 55 minutes. At the same rate, how many miles would he run in 44 minutes?
asked by fatuma 
math
You think that in 15 years it will cost $212,000 to provide your child with a 4 year college education. Will you have enough if you take $70,000 today and invest it for the next 15 years at 5%?
asked by malikah 
science linear prog
A small farm in Illinois has 110 acres of land available on which to grow corn and soybeans. The following table shows the cultivation cost per acre, the labor cost per acre, and the expected profit per acre. The column on the right shows the amount of
asked by Duke 
chemistry
a 100 W electric heater operates for 10 minutes to hear the gas in a cylinder. At the same time, the gas expands from 1 L to 14 L against a constant atmospheric pressure of 4.246 atm. What is the change in internal energy in Joules of the gas?
asked by maria 
Personal Finance
Aaron wants to put $200.00 per month into an IRA account at 15% for four years. What is he solving for using his financial calculator? A. Present Value B. Future Value C. Interest Rate D. Payment
asked by Sharon 
Chemistry....
Wouldn't it be 3*0.234 instead of 2* 0.234? since....2Al3+ +3SO4 2 > Al2(SO4)3 4.) A solution is prepared by dissolving 25.0 g of aluminum sulfate in enough water to make 125.0 mL of stock solution. A 10.0 mL aliquot (portion) of this stock solution
asked by Anonymous 
physics
The coefficient of restitution for a particular ball is 0.45. If he ball hits a surface traveling at 100 m/s its rebound speed will be
asked by SAM 
arithmetic
round .44857 to the nearest hundreths?
asked by donny 
language
Identify the italicized word or words in each sentence Simon preferred LISTENING TO MUSIC as he did his homework a) infinitive phrase b) gerund phrase c) infinitive phrase d) prepositional phrase
asked by victoria 
college
A gas containing both hydrogen molecules (each molecule contains two hydrogen atoms) and helium atoms has a temperature of 300 K. How does the average speed of the hydrogen molecules compare to the helium atoms?
asked by Anonymous 
College Physics
A proton moves perpendicular to a uniform magnetic field B at 1.20 107 m/s and experiences an acceleration of 2.00 1013 m/s2 in the +x direction when its velocity is in the +z direction. Determine the magnitude and direction of the field.
asked by Suhani 
chemistry
Balance the following oxidationreduction reactions, which occur in acidic solution, using the halfreaction method. (Use the lowest possible coefficients. (a) H2O2(l) + Pb(s) → H2O(l) + Pb2+(aq) (b) O2(g) + Mn(s) → H2O(l) + Mn2+(aq)
asked by Anonymous 
Math
A study found that 27% of the fish in a river are trout, 36% are salmon, and 18% are sturgeon. If a large fish trap is set and it captures 216 fish, how many of those fish are likely to be fish types other than the ones mentioned?
asked by anonymous 
Chemistry(reposts #1)
A solution is prepared by dissolving 5.00 g of stannic nitrate in enough water to make 250.0 mL of stock solution. A 15.0 mL aliquot (portion) of this stock solution is then removed and added to 75.0 mL of water. Calculate the concentrations of all ions in
asked by Anonymous 
science
30 ml KMnO4 solution is required to titrate 25 ml M/50 oxalic acid solution.find the molarity of KMnO4 solution and g/L also.
asked by Prince 
math problem
In her first litter, a young cat gave birth to two kittens. Her second litter included six kittens. What percent is the second litter of the first litter? PLZ EXPLAIN!!!
asked by anonymous 
GED
Is the English Writing test the most difficult GED test? I find Math easy. Am I required to memorize the Science and Social Studies? or will I be provided information and is the Science and Social Studies actually a reading test? Thank You in Advance.
asked by Mohammed 
English
( IS MY ANSWER CORRECT ? ) Read the following Papago song. Identify it's purpose. No talking, no talking. The snow is falling. And the wind seems to be blowing backward. ( 1 point ) A.) to inform B.) to persuade * C.) to analyze D.) to express
asked by Lisa 
Algebra Help
A motorist was to travel from town A to town B, a distance of 80 miles. He traveled the first 24 miles at a certain rate; traffic then increased and for the next 6 miles he averaged 10 miles per hour less than his original speed; then traffic eased up and
asked by Jane 
Chemistry
Okay, I have some confusion on a lab question for chemistry. The question was if you were preforming a microscale extraction of a 0.2 g of benzoic acid/fluorenone mixture (About 6 mL of dichloromethane and 2 mL of NaOH were added through out this
asked by ramire2 
Math
I a am kinda stuck. The question is the scale of a map is 1:600000. a)the distance between 2 towns on the map is 8.7cm. What is the actual distance
asked by 7th grade work 
Health
Compare the stages of Maslow's hierarchy of needs. I know you told me that I must be more specific but I am struggling to answer this.
asked by Anonymous 
calculus
if a snowball melts so that its surface area decreases at a rate f 1cm^2/min, find the rate at which the diameter decrease when the diameter is 10cm?
asked by BriasnIsmael vargas 
science
I am still new to physics, so I'm having a rough time. When a 1kg metal pan containing 1kg of cold water is removed from a refrigerator onto a table which absorbs more heat from the room, the pan or the water? I thought it was the water, because I thought
asked by bbragg 
DISCRETE MATHS
Prove that if n is an odd positive integer, then 1 ≡ n2 (mod 4).
asked by Don 
math plzz help!!!
is it possible to have two fractions with different denominators and numerators representing the same decimal?
asked by anonymous 
College Physics
A velocity selector consists of electric and magnetic fields described by the expressions vector E = E k hat bold and vector B = B j hat bold, with B = 0.0140 T. Find the value of E such that a 670 eV electron moving along the negative x axis is
asked by Suhani 
reading
what metaphor is in the poem dafffodils by william wordsworth ?
asked by Steven 
math
The terms 4x + 36, 2x  6, and 3x  27 are consecutive terms in an arithmetic sequence. What is the value of x ?
asked by amira 
English
In which sentence is the word but used as a preposition? A. Children should be seen but not heard. B. John liked baseball but not football. C. We would like to visit the Grand Canyon, but our vacation time is up. D. None but the brave shall enter in. I
asked by Cassie 
CHEMISTRY
******* Please check. Also check sig figs. Ion Concentrations 1.) A solution is prepared by dissolving 5.00 g of stannic nitrate in enough water to make 250.0 mL of stock solution. A 15.0 mL aliquot (portion) of this stock solution is then removed and
asked by Anonymous 
physics
An instrumentcarrying projectile of mass m1 accidentally explodes at the top of its trajectory. The horizontal distance between launch point and the explosion is xm. The projectile breaks into two pieces which fly apart horizontally. The larger piece, m3,
asked by Anonymous 
Math
Brandon was paid $132.50 commission for his work selling $2650 of farm equipment. What was his commission rate? please explain clearly!!
asked by smile0003 
PHYSICS
A superball of mass m, starting at rest, is dropped from a height hi above the ground and bounces back up to a height of hf. The collision with the ground occurs over a total time tc. You may ignore air resistance. (a) What is the magnitude of the momentum
asked by Anonymous 
Math
Solve the system of equations. 2x  4y = 3 3x + 5y = 1
asked by Erin 
History/Economics..PLEASE HELP!!
Plato, a Greek philosopher who lived from 427BC to 347BC, famously wrote that, "Necessity is the mother of inventions." Do you agree with this statement? Why or why not? My response was, " I agree with this statement because most of the inventions from the
asked by Nicole 
Biology
I do not understand what visible and sharp focus mean. The instruction says.... When viewing the crossed hairs and the top hair is in sharp focus, is the other hair visible or in sharp focus at the following total magnification...?
asked by Anonymous 
physics
An instrumentcarrying projectile of mass m1 accidentally explodes at the top of its trajectory. The horizontal distance between launch point and the explosion is xm. The projectile breaks into two pieces which fly apart horizontally. The larger piece, m3,
asked by Anonymous 
English
A: I bought a new car. B1: Congratulations on buying a new car. B2:Congratulations on having bought a new car. (Which response is correct, B1 or B2? What is the difference between them?)
asked by rfvv 
chemistry
Balance these nuclear equations. Can some please help I don't understand these at all 1. 35/17 Cl + 1n > 35/16S + _____ 2. 229/90 Th > 4/2 He + ______ 3. 20/8 O > 20/9F + ________ 4. 54/26Fe + 1n > 1H + _______ 5. 104/47Ag > 0/1e + ______ 6. ________
asked by jasmine 
word problem
A change purse contains two loonies, six quarters, seven dimes, four nickels, and five pennies. Compare the loonies, quarters, and nickels by means of a ratio that is expressed in lowest terms.
asked by lol 
business math
Ryan Miller wanted to make some money at a flea market. He purchased 55 small orchids from a nursery for a total of $233.75, three bags of potting soil for $2.75 each, and 55 ceramic pots at $4.60 each. After planting the orchids in the pots, Ryan sold
asked by takia 
CHEMISTRY
This is regarding to the super long post. Dr.Bob, did you actually check all of my answers? Do you want me to make several small posts now? By the way I don't understand how #1 is wrong!!!!!
asked by Anonymous 
CHEMISTRY
Ion Concentrations 1.) A solution is prepared by dissolving 5.00 g of stannic nitrate in enough water to make 250.0 mL of stock solution. A 15.0 mL aliquot (portion) of this stock solution is then removed and added to 75.0 mL of water. Calculate the
asked by Anonymous 
Chemistry (reposts#2)
A solution is prepared by dissolving 5.00 g of ferric chloride in enough water to make 500.0 mL of stock solution. A 50.0 mL aliquot (portion) of this stock solution is then removed and added to 75.0 mL of water. Calculate the concentrations of all ions in
asked by Anonymous 
Geography and English
What are the key physical features of the Californian Coast
asked by emma 
Chemistry (URGENT)
Hello! Does anyone know where to find the solubility of Ca(OH)2 in water as temperature changes? I need this information to answer the discussion in a lab report.
asked by June 
CHEMISTRY URGENT
Does anyone have a "Chemistry in Context 6th edition" by mcgraw and hill book? I don't have one and my homework is in there. Page 30, questions 5,6 & 7. If you could, type out the questions for me that would be a HUGE help.
asked by michelle 
physics
JUMPING OFF THE GROUND (10 points possible) A person of mass m jumps off the ground. Suppose the person pushes off the ground with a constant force of magnitude F for T seconds. What was the magnitude of the displacement of the center of mass of the person
asked by Anonymous 
math
The total amount of interest on a loan of $6,000 for 150 days is $210.50. Using the ordinary interest method, what is the rate of interest on this loan? Round to the nearest hundredth
asked by sue 
Math
A weight lifter is raising a barbell of mass 120kg. He does this in two stages. At the end of the first stage he holds the barbell steady at shoulder height. What upward force is each arm exerting?
asked by Hussain 
Math
Round 265 nearest ten
asked by Nawaf 
English
Everyone rushed to get on the elevator. (Is 'to get' the object of the verb 'rush'? Is 'rushed' a transitive verb taking an object here? Or Is 'to get...' an adverbial phrase modifying 'rushed'?))
asked by rfvv 
Biology
I do not understand what visible and sharp focus mean. The instruction says.... When viewing the crossed hairs and the top hair is in sharp focus, is the other hair visible or in sharp focus at the following total magnification...?
asked by Anonymous 
ENGLISH
MY SON STUDYING IN 3rd HAD A ELECUTION COMPETITION ABOUT "FOOD HABIT IS A GREEN HABIT".CAN I HAVE AN ESSAY ABOUT THIS AS SOON AS POSSIBLE...PLEASE HELP ME....
asked by LALY 
Physics 101
What is the angular momentum of a 0.705kg ball rotating on the end of a thin string in a circle of radius 0.800m at an angular speed of 12.8rad/s ?
asked by mary 
physics
A plane flies at 350 km at 28 degrees south of east. How far has the plane flown east and how far south ?
asked by los 
English
According to Brooks, for many Roma the Holocaust  in which hundreds of thousands of Roma were exterminated  is a living memory, even if there are few survivors left. And recent events such as France's expulsion of a Roma schoolgirl and her family earlier
asked by rfvv 
physics
An instrumentcarrying projectile of mass m1 accidentally explodes at the top of its trajectory. The horizontal distance between launch point and the explosion is xm. The projectile breaks into two pieces which fly apart horizontally. The larger piece, m3,
asked by Anonymous 
cal
Determine all values of x, (if any), at which the graph of the function has a horizontal tangent. y(x) = 6x/(x9)^2 when i workout this problem I get this: by quotient rule: dy/dx = ( (x9)^2 (6)  6x(2)(x9))/(x9)^4 = 0 at a horizontal tangent 6(x9)^2 
asked by cal 
Algebra II
What is an equation for a direct variation whose graph passes through the point (–5, 3)?
asked by Georgia 
english
“Swimming at the lake, a rock cut Sue’s foot.”
asked by Shante 
math
r^3r^4/4^2r^5 i tried doing r^3/r^2 x r4/r5 & got r^5,r^1 but the answer is r6, what am i doing wrong?
asked by jess 
math
A bag contains x marbles. Half of the marbles are blue. Four less than the number of blue marbles are red. The remaining marbles are purple. What is the probability of choosing a purple marble at random? a. 2 b. 4 c. 1/2(x/24)/x d. x/24 e. x/2 please
asked by Tomas 
Word Problem
Fifteen percent of a number is 10.5. What is the number?
asked by lol 
Biology
organelles with an abundance of carotenoids but no chlorophyll
asked by Anonymous 
English
1. The Glass Menagerie once again taps into the audience's emotions, as it has for 70 years. 2. "Her son is about to fly away, never to seen or heard from again and she knows it," Jones said. (Are they all grammatical? Would you check the errors in them?)
asked by rfvv 
college physics
My previous question was marked science, but it's specifically a college physics question. Thanks.
asked by bbragg 
Physics
Problem 2 A boat has a velocity of 0.54 m/s southeast relative to the earth. The boat is on a river that is flowing 0.60 m/s east relative to the earth
asked by Maryam 
HSM/220
How do I increase a fixed sum by 50% properly?
asked by Holly 
British literature
How do Falstaff's adventures mirror the main plot in Shakespeare's Henery the 4th
asked by Shana 
Marketing
I need help filling in the blanks for this price chain in marketing: Manufacturer's Price.............$15.55 Manufacturer's Variable Costs....$6.35 Manufacturer's $ Margin..........$9.20 Manufacturer's % Margin..........59.2% Wholesaler's
asked by Jess 
Finance
If upon retirement in 20 years Simon plans to invest $400,000 in a fund that earns 5%, what is the maximum annual withdrawal he can make over the following 15 years
asked by Jennifer 
math modeling
A spherical balloon has a radius of 11 centimeters. If we increase the radius by 2 centimeters, how much did the volume increase?
asked by gloria 
Spanish
Piensa en algunos ejemplos de como cambiarías los siguientes elementos de una conversación en una situación formal. Vocabulario Pronunciación Palabras abreviadas Modismos También da dos ejemplos de situaciones distintos que requieren que uses el
asked by unknown 
heiarchy chart needed out of this information pls
VELMA'S VET Velma and her husband Victor run a full service veterinary clinic. They would like a program to help them calculate costs for their clients. Victor, who is the vet, charges a flat fee of $100 for medical services and a flat fee of $50 for
asked by julie 
criminal justice
where can I find information on the benefits of voluntary support and how it is linked to police legitimacy
asked by patiance 
math
Use the data in the table below to determine which sports teams have equivalent scored by two scored against ratios. Team Scored by Scored Against Baseball Team A 10 8 Basketball Team A 115 92 Hockey Team A 6 4
asked by anonymous 
physics (help)
An instrumentcarrying projectile of mass m1 accidentally explodes at the top of its trajectory. The horizontal distance between launch point and the explosion is xm. The projectile breaks into two pieces which fly apart horizontally. The larger piece, m3,
asked by Anonymous 
English
Identify the simple predicate in the sentence below. The best selling novel is unavailable for the next three weeks. a) is b) unavailable for the next three weeks c) novel
asked by Steve 
Math
Use substitution to solve the system of equations given below. 8x  4y = 16 2x  y = 4
asked by Anon 
Math
Use elimination to solve the system of equations. x + 2y = 18 x + 8y = 38
asked by wHY 
Grammar
Is this correct? I do not understand what do these words mean. Is the word "do" necessary...? Or I do not understand what these words mean? Are both correct??
asked by Anonymous 
environmental science
Natural disaster about flood
asked by ruhama 
environmental science
How to do panoramas to do natural disaster
asked by ruhama 
english
Select the sentence that is punctuated correctly. (Points : 1) Sitting in the medical office waiting room, Veronica smiled nervously at the woman sitting next to her, but then she had to get up suddenly because the receptionist summoned her to the window.
asked by anngelique 
Microeconomics
Why do "pricemaker" firms never want to produce in the inelastic part of the demand curve??
asked by Morgan 
law
What are the benefits of voluntary support and how is it linked to police legitimacy?
asked by mike 
math
if a 50ft flag pole cast a 10ft shadow how far is it from the end of the shadow to the top of the pole
asked by dee 
Science
How is Earth like a system?
asked by Ana 
Physical Science
20. Why is ethanol added to gasoline? Can't find this answer in my book, and I've gone back and checked for it like three times. Please and thank you!
asked by CJ 
PHYSICS
An instrumentcarrying projectile of mass m1 accidentally explodes at the top of its trajectory. The horizontal distance between launch point and the explosion is xm. The projectile breaks into two pieces which fly apart horizontally. The larger piece, m3,
asked by Anonymous 
Computer Science
Suppose X is a random variable and Y = aX + b is a linear function of X. Show that the correlation of X and Y is 1 if a < 0.
asked by Jerry 
English
1. Paper can be made from elephants' droppings. 2. Papers can be made from elephants' droppings. (Which one is grammatical?)
asked by rfvv 
Math percents
a) 2/5 of 80% of 3000 cm b) 3/5 of 150% of 50 mL c) 4/5 of 12.5 % of 10 cm2 please explain how u got the answer thank u!!!!
asked by anonymous 
English
I have the sentence: Kyle seems calm despite his situation. Kyle is the subject, seems is the being verb, calm is a subject complement adjective that describes Kyle. My question is, is "...despite his situation" an adverb phrase? Is it describing calm or
asked by Grace 
Math  Limits
N(t) = 100t / (t + 9) where t >=0 Find lim x approaching to infinity N(t)
asked by Jess 
English
5. Complete the following sentence with a word or words that show a logical relationship. Joshua took a nap _______ sorting the mail. A. instead of B. after C. while D. before I picked D, because we cannot use while, since a person cannot sort mail while
asked by Samantha 
math
what is the unit rate for each lesson? tuesdays 5:006:00pm and saturdays 10:0011:00am number of lessons 20 cost $200 for 20 lessons
asked by esteban1634 
chemistry
Consider the HF solution with the concentration of 5% (w/v). Calculate its concentration in the molarity. Use four significant figures in your answer
asked by Anonymous 
math
x^7/x^4 my book says the answer is x11, but how? aren't you supposed to subtract the exponents when dividing?
asked by jess 
Math (equivalent ratios)
which number are equivalent by two scored against ratios? Explain how u know Scored by Scored Against 10 8 115 92 6 4
asked by anonymous 
Biology
organelles with an abundance of carotenoids but no chlorophyll
asked by Anonymous 
english
I am a bit confused about what type of sentence this would be.... Hurricane Katrina destroyed many homes in New Orleans it destroyed many business, too. Chose from: correct, fused, comma splices and fragment
asked by jack 
math
3^5/3^2 becomes 1/3^5/1/3^2 the answer is 1/27, how did they get that? i need step by step to understand
asked by jess 
Science
A 400 kg. wooden log is floating with 0.2 of its volume above water level. Given that the density of iron is 7.8 gram per centimeter cubic, calculate the least mass of iron object attached to the underside of log that will sink it.
asked by Uddeshya 
math
9^1/9 the formula for this is b^m/a^n but when you do it it doesn't equal 1/81?
asked by jess 
english comp
After watching Roy Hargrove play the trumpet, Marcia decided that she wanted to be one.
asked by alex 
arithmetic
If 48 marbles are to be divided between Bill and Carl in the ration 3:5, how many marbles will Bill get?
asked by milton 
math
please help me how to solve cubic equation : h^3  36h^2 + 2356.6 = 0 thanks..
asked by anet 
math
what is 3330x3330000000000
asked by esteban1634 
maths
13feet ladder is placed 5feet away from the wall . the distance from the ground straight up to the top of the mall is 13 feet. will the ladder touch the top of the mall?
asked by victor