Questions Asked on
November 21, 2015

math
Find two positive real numbers x and y such that they add to 120 and x^(2)y is as large as possible
asked by Raj 
physics
Two horses pull horizontally on ropes attached to a tree stump (Fig. 3). Each horse pulls with a force of magnitude F. If the angle between the two ropes is 126O, what is the resultant force?
asked by fiz 
interes rate
For an investment to double in value during a 16year period, a. What annually compounded rate of return must it earn?
asked by prerna 
mathematics
solve the following system of inequalities graphically 3x+2y
asked by vinod kaushik 
Physics
A race car starts from rest on a circular track of radius 279 m. The car's speed increases at the constant rate of 0.760 m/s2. At the point where the magnitudes of the centripetal and tangential accelerations are equal, find the following a) the speed of
asked by Anonymous 
math
The average marks of 14 students was 71. It was later found that the marks of one of the students has been wrongly entered as 42 instead of 56 and of another as 74 instead of 32. What is the correct average? Average age of seven persons in a group is 30
asked by adam 
college algebra
Diagonal length of flooring is 2 feet longer than the length and 5 feet longer than twice the width what are the dimensions of the flooring
asked by Jessie 
math
How many of the 2digit numbers, that can be formed by using the digits 1,2,3,.......,9 without repeating any digit, are divisible by4? If 2 boys and 2 girls are to be arranged in a row so that the girls are not next to each other, how many possible
asked by adam 
Math 1 question plz help ASAP
A bah of oranges weighs 5 1/4. How much does 1 1/2 weigh?(that's the question my question is do we add, subtract, multiply or divide plzzzzzzzzz help meeeeee im new to this website =)
asked by Debra Grimes 
physics
A lineaer spring having a force constant k=40 N/m hangs vertically,supporting a 0.8 kg mass.the mass is then pulled down a distance of 0.15 m . During up and down oscillations ,the maximum speed of the mass will be..
asked by Abi 
math
An investor invested 80 percent of the money at the rate of 10 percent p.a for 2 years. Find the amount of both the investments if the diffrence between the simple interests earned is Rs 3300
asked by pallav 
physis
A lorry is travelling at 60 km/hr when the brakes are applied. Assuming that the deceleration is uniformly at 2m/hr, how far has the lorry travelled when its speed is 36km/hr after 6seconds.
asked by Blessing 
accounting
Do these in a journal entries form and illustrate it:1. August 7. Bought supplies in account from Long Music Supplies, $ 2720.00. August 7. Received cash from sales $400.00. August 11. Paid cash on account to Caroline office supplies $250.00. August 11.
asked by Blessing 
Chemistry
A 27 g sample of germanium crystal contains 44 mg of arsenic. The arsenic is substitutionally incorporated into the crystal. Germanium has a band gap of 0.66 eV and an intrinsic carrier concentration at 25o C of 4.2e+13 cm3. At what temperature (in oC)
asked by Anonymous 
chemistery
you have pond that has become too acidic from acid rain for survival of you fish what kind of chemical could you add to the water to countract the acidity?
asked by abshir 
Math
Log3 (4x+1) log3(13x5)=2
asked by Anonymous 
Kids kingdom school
Mrs roy carpet 15cm and 12 cm broad what is its perimeter
asked by Shahil 
Trigonometry
a 20ft. ladder is leaning against a wall so that the foot of the ladder is 9ft. from the buss of the wall what angle does the ladder make with the ground? what is the distance from the top of the ladder to the base of the house? based in trigonometry
asked by Ara Jane 
Physics
Szymon and Chris fly their balloon around the earth in 80 days. Taking the radius of the earth to be 6400 km, calculate their average speed in m/s. I did answered all the homework questions but I didn't know how to do this one?
asked by Andrew 
English
My address is 34 Park Ave., New York ================== Is the expression above is right? How do you say "Ave." 1. [..vnju] 2. [..vnu] 3. [..v]
asked by rfvv 
maths
the hcf of two numbers is 145 ,their lcm is 175.if one number is 725,the other number is
asked by Anonymous 
chemistry
how many grams of CaCO3 will dissovle in 300ml of 0.05M Ca(NO3)2 ? Ksp of CaCO3 : 4.7x10^9 M.W of CaCO3 100.01g/mol
asked by Rose 
chemistry
3.5g
asked by feoluwa 
Chemistry
An aqueous solution of KF is add dropwise to an aqueous micture containing 0.25M Ca2+ and 0.75M Mg2+ calcuate the minimum molarity of F that is nessaryvto initate the precipitation of each salt? Which precipitate first? Ksp of CaF2 :5.4x10^9 Ksp of MgF2
asked by Tom 
Chemistry
predict if precipitation will occur when 36ml of 0.0039M Na2CrO4 is mixed with 18ml of 0.00033M AgNO3. M.W of Ag2CrO4 :331.73g/mol Kspof ag2cro4 1.1x10^12
asked by Janna 
Science
A pistol of mass 2 kg fires a bullet of mass 50g. The bullet strikes a stationary block of mass ½ kg. if the block, with the bullet in it, moves with a velocity of 4 m/s the recoil velocity of the pistol will be?
asked by Khushboo 
Social Studies
Why is the muluki ain of 2020 B.S considered as a big reform in the history of Nepal?
asked by Rashmi 
Maths
Differentiation Find dy/dx for the following function y=x^2+5x^7 all over x Please help Thankyou
asked by Anonymous 
physics
A hunter fires 50 g bullets from a machine gun. If each bullet moves with a velocity of 150ms−1 how many such bullets are to be fired into a tiger of mass 60 kg coming towards him with a velocity of 10ms−1 in order to stop the tiger?
asked by Anonymous 
math
Given that sin x + sin y = a and cos x + cos y =a, where a not equal to 0, express sin x + cos x in terms of a. attemp: sin x = a  sin y cos x = a  cos y sin x + cos x = 2A  (sin y + cos y)
asked by Chia LC 
Math
A man who is 6.2 ft tall casts a shadow that is 13.6 ft long. Find the height of a petrified stump that casts a 16.9 ft shadow.
asked by Carlos 
Math
Calculate the reduced paidup insurance for Lee Chin, age 42, who purchased a $100,000 straight life policy. At the end of year 20, Lee stopped paying premiums. (Use Table 20.2). (Omit the "$" sign in your response.) What is the reduced paidup insurance?
asked by Uteryu 
Math
Fortyfive percent of a large class of students in Statistics are females. Suppose 28 students are selected at random from the class. Use a normal approximation with continuity correction to calculate the probability that the number of males in the sample
asked by Aarathi 
Math
What math word does these letters spell O,O,E,R,N,F,O,P,S,E,P,T,W,X
asked by . 
science
calculate the depth of salt water lake,if the pressure at its base is 16 times the atmospheric pressure.the density of salt water lake is 1,050kg m3 and acceleration due to gravity is 10 ms2.the atmospheric pressure is 10N cm2
asked by erekha 
lighthouse christian college
Wich career can I take when I took english,afrikaans,lo,physics and pure maths?
asked by mthofire 
Social Studies
The spark that set off world war one1 was the assassination of archduke franz ferdinand of what european nation? A.AustriaHungary B.Germany C.Russia D.France Is the answer A?
asked by Anonymous 
Social Studies
Each of the following took place during the Russian revolution EXCEPT A.A new government forced the tsars to give up their power. B.Russia made peace with Germany. C.a democratic president was given power. D.the Russian Empire was renamed the Soviet union.
asked by Lexi 
Language Arts
1.) When MacNeil asks, "When before human history has so much humanity collectivity surrendered so much of its leisure to one toy, one mass diversion?" What is this persuasive technique called? A. repetition B. Generalization C. a rhetorical question D. a
asked by Anonymous 
Social Studies
Russian dictator Joseph Stalin was Responsible for the deaths of how many Russians? A.50,000 B.100,000 C.1 million D.10 million
asked by Lexi 
Social Studies
What happened in the end of world war 1? A.Archduke Franzer Ferdinand was made ruler of the central powers. B.Germany and AustriaHungary were forced to sign the treaty of versaills, which set out harsh punishments for them. C.The central powers were
asked by Lexi 
english
In Nethergrave Jeremy creates an obstacle to dating the girl he likes by a) lying about where he lives b) lying about his poor health c) lying about his father's wealth d) lying about his computer expertise
asked by cassie 
Social Studies
The spark that set off world war 1 was the assassination of Archduke Franz Ferdinand of what European nation? A.AustriaHungray B.Germany C.Russia D.France Is the answer A?
asked by Lexi 
Math word problem
17 1/9 decreased by what number is 5 2/3? This is the answer I have 11 4/9. Is this correct.
asked by Ray 
Social Studies
World war 1 left Germans feeling? A. unfairly punished B. eager to make friends C. content with the peace treaty D. good about their economy Is the answer A?
asked by Lexi 
Social Studies
World war 2 began when Nazi Germany invaded which nation? A.Britain B.France C.United States D.Poland Is the answer D?
asked by Lexi 
College Algebra
Sam can sort 4000 pieces of mail in 5 hours. With a coworker they can sort 4000 pieces of mail in 3 hours. How long will it take his coworker to sort 2000 pieces of mail.
asked by Kevin Kirkpatrick 
Social Studies
What fraction of the population could not find work during the great depression? A. Oneeighth B.onequarter C.onehalf D.threequarters D?
asked by Lexi 
Social Studies
Because of the great prosperity during the 1920s,this time became known as A.the awesome twenties B.The terrific twenties C.the roaring twenties D.the profitable decade. D?
asked by Lexi 
Math
URGENT! In a school, 8% of students are left handed. If 50 classes of 20 students are randomly selected, what is the probability of 10 classes have no left handed students? I know that this is a binomial distribution question, but I can't seem to do this
asked by Katie 
Philosophy
The Omega watch company withdrew its ads from Vogue magazine in protest over what it called distasteful pictures of an emaciated model in the June 1996 issue. The brand director of Omega argued as follows: “Since Vogue presumably targets an audience that
asked by A 
Philosophy
The following argument appeared in the draft of a bill before the Louisiana State Legislature in 2001: Whereas, the writings of Charles Darwin, the father of evolution, promoted the justification of racism, and his books On the Origin of Species and The
asked by Jay 
math
The length, breadth and height of a closed box are respectively 2m, 1.5m and 0.8m. Find the total area of canvas required to cover itup. Find also the cost of canvas if 1sq m of canvas costs Rs. 30. A rectangular box without lid is to be made by thin
asked by rohan 
math
Can you please show me how you got the answer from Tuesday please.From Lena!!!!!
asked by to Ms.Sue 
science
As a result of chemical or physical reactions when heating/cooking foods: 1.will it make certain fruits(example plums,durian,banana,apple) to change from sour to sweet or vice –versa? 2.will it help to make foods that has gone slightly bad to be safer
asked by munira 
science help
Two scientists did the same experiment but arrived at different results. The scientists most likely did not have accurate data and information misunderstand each other's interpretations belong to different backgrounds did not have instruments to take
asked by Oscar 
Math
Need help please. The reciprocal of .125 is what number?
asked by Lisa 
Math
How do you divide 1248 by 8?
asked by Lilly 
science help
In the water cycle, matter moves towards the pull of gravity during infiltration and evaporation transpiration and infiltration precipitation and infiltration evaporation and transpiration is it a
asked by Oscar 
Chemistry
What is the chemical formula for coconut oil?
asked by Alicia 
Pure Math
How to plot a steam and leaf for the following data 0 0 11 140 152 253 257 309 392 419 541 644 751 770 810 897 1295 1340 1419 1482 1515 1719 1763 1891 2005 2127 2631 2988 3686 6726 11465 12917 14701 regards
asked by Steam and Leaf Plot 
PE help pls
If you were deficient in Vitamin C, which of the following would be the best choice to add to your breakfast? 1 serving strawberries 2 servings blueberries 1 serving orange 2 servings tangerines
asked by Oscar 
Pure Math
can someone give me an idea on how to plot the stem and leaf of the following data , what would be the stem and leaf (the key ) ... 325671 425384 549680 858000 1315819 2001468 2061085 2943472 4246809 4605501 5107970 5415949 5451270 5627235 7245677 8139631
asked by Natasha 
Philosophy
In her book The Beauty Myth author Naomi Wolf argued that women harm themselves when they try to live up to the standards of beauty implied in most commercial advertising. The following excerpt is taken from a World Press Review commentary on Wolf’s
asked by John 
Philosophy
The following argument appeared in the draft of a bill before the Louisiana State Legislature in 2001: Whereas, the writings of Charles Darwin, the father of evolution, promoted the justification of racism, and his books On the Origin of Species and The
asked by Matt 
math
How can find weak form to d^4u/dx^4+du/dx=f (x) By using finite element
asked by assma 
Math
the perimeter and area of a rectangle are 48 cm and 140cm^2 respectively. Find the length and width of the rectangle
asked by Fawad 
Calculus
Calculate integral [0, infinity) xe^(x) dx
asked by Sanaya 
c.s.s Nawfia
A mango fruit drops to the ground from the top of its tree which is 5m high.how long does it take to rech the gound?
asked by Abuchi 
Chemistry
What is the total number of joules of hear needed to change 200g of ice to water at O degree Celcius?
asked by Andrea 
Algebra
James walked 212 miles in 23 of an hour. What was his average speed, in miles per hour?
asked by Kevin 
Government
What does it mean to “have standing?”
asked by Anonymous 
Social Studies
1. Which action that occurred ruing the Battle of Chickamauga made it a Confederate victory? A. The Confederates had fewer casualties. B.Union troops were forced out of Georgia C. The Union general surrendered. D. None of the Above 2. Which of the
asked by Mani 
Math
Please help me with steps to work out the following problem. Simplist way possible. Mary needed different coloured balloons for decoration. She had $1.25 (Australian dollars) and spent it all on a number of white, red, and blue balloons. A white balloon
asked by Kate 
Calculus
A window is designed to be the area between a parabolic section and a straight base. The height is 0.640 m and the base is 1.60 m. What is the area of the window?
asked by Anonymous 
Math
I need help with this problem: Circle the number closest in value to 9. (this is a decimal at the end, not a period _ a. 8.5 (there is a line over the 5) _ b. 8.89 (there is a line over the 9) c. 9.69 d. 9.99 I believe the answer is b, is this correct?
asked by Mia 
Chemistry
Methyl alcohol can be prepared commercially by the reaction of hydrogen with carbon monoxide. Under equilibrium conditions at 7.00 × 102 K, [H2] = 0.0720 M, [CO] = 0.200 M, and [methanol] = 0.0300 M. Find the value of Kc, and then find the value of Kp.
asked by Anonymous 
Science
Mg3N2(s) + 6H20 = Mg(OH)2(s) + 2NH3(g) When 2 moles of H20 react How many grams of NH3 are produced ?
asked by Mohamed 
Chemistry
If 5.00L of argon gas is at 0.460 atm and 123C what is the volume at STP I think it's b
asked by Miguel 
Math
17 1/9 decreased by what number is 5 2/3?
asked by Meg 
Calculus
Integrate x/(6x5) dx The answer is 1/6 x + 5/36 ln abs (36x30) + C... But I don't understand why it is 5/36 times ln.. I thought that when you factored out the 5 you would get 5 times ln abs (36x30)..
asked by Sanaya 
Algebra  Math
The medium side of a triangle is 9 more than 1/2 the shortest side,and the longest side is 4 times the shortest side. If the perimeter is 31 in. Find the lengths of the sides of the triangle
asked by Licinia 
College Algebra
Why hovering near the top of a waterfall of a national park of 6400 feet, a helicopter pilot drops his sunglasses. The height h(t) of the sunglasses after t seconds is given by the polynomial function h(t) = 16t(squared) + 6400. When will the sunglasses
asked by Myles 
math
for grade 3 math Explain what happens to the square if you double the length of its sides.Draw 2 squares to support your answer
asked by Ana 
wcccd
A car dealership offers a $1400 rebate and a 5% discount off the price of a new car. Let p be the sticker price of a new car on the dealer's lot, r the price after the rebate, and d the discounted price. Then r(p) = p − 1400 and d(p) = 0.95p
asked by andre 
Government
Why does the U.S. have a dual judicial system
asked by Anonymous 
Culture and society
What was the actual deal that President Obama made in order to get the healthcare reform legislation passed? (Note: Compare President Obama’s preelection healthcare reform/proposal position and his postelection compromise deal or postelection deal.)
asked by Yasmine 
biology
A researcher is collecting qualitative data pertaining to social behaviors of deer at different times of the day. How will she most likely need to organize this data?
asked by Anonymous 
Math
for 625% of 50, is the answer 312.5?
asked by Meg 
Math
Can you help me with this? the reciprocal of .125 is what number? would the answer be 1/8?
asked by Meg 
Government
How does ideology affect federal judicial appointments?
asked by Anonymous 
Math
Would the reciprocal of .125 be this answer: 1/ 0.125 or 8
asked by Meg 
MATH
Kevin earns $15 per hour for working 8 hours. Then he earns $18 per hour for working overtime for 4 hours during a day. What is the average amount that Kevin earns per hour during a day?
asked by lexi 
trigo
A plane in calm weather flies east at 20 K.P.H. A 45 K.P.H wind blows from the north. Find the direction and speed required to keep the plane in it's original course and speed.
asked by carl 
Chemistry
7. Suppose 45.0 mL of 0.250 M HNO3 was mixed with 35.0 mL 0.600 M Ba(OH)2. Calculate the pH of the final solution.
asked by CHIPNDALE 
Chemistry
7) A 3.33 g sample of iron ore is transformed into a solution of iron (II) sulfate. And this solution is titrated with 0.0150 M potassium dichromate. If it requires 41.40 mL potassium dichromate solution to titrate the FeSO4, find the percentage of iron in
asked by CHIPNDALE 
english
In each of the following sentences, correct any word that requires a capitalization. 1. The lawyer’s office is located on North Pleasant Street. 2. My uncle lives farther West than grandmother. 3. I’d like to move to the South by next summer. 4. The
asked by Jennifer 
CHEMISTY
A 25.0 mL sample of perchloric acid solution required 45.3 mL of 0.101 sodium hydroxide solution for complete neutralization. what was the concentration of the perchloric acide solution? work: 0.0453 L NaOH x ( .101 mol NaOH/ 1L NaOH) x (1 mol HClO4/ 1 mol
asked by CRIS 
Math
Need help with this please. what percent of 2 2/3 is 3/4? .75/2.6 = x/100 2.6x/2.6 = 75/2.6 answer I came to is 28.846153, is this correct. Need assistance
asked by Anne 
Phyics
The foci of the elliptical path for an Earth satellite are __________. A) one at Earth's center and the other elsewhere B) one atop the other at Earth's center C) both inside Earth D) both outside Earth
asked by sarah 
english
In each of the following sentences, insert the commas wherever are needed 1. 1. Abraham Lincoln was born on February 12, 1809 in Kentucky. 2. In 1816 after selling most of their possessions, the Lincoln family moved to Indiana. 3. During their first weeks
asked by Jennifer 
chemistry
I have two that I can not figure out: #1: calculate the MOLALITY of 10.00 g/L of the salt, if its molar mass is 100.0 g/mol and solution density D=1.100 g/mL work: 10.00 g NaCl x (1mL/1.100g) x (1kg/1000 mL)= 0.00909 kg 100.0 g x (1 mol NaCl/58.4 g Nacl)=
asked by sam 
math
A circular pool 2 meters in diameter is in the middle of a 5 meter by 5 meter square of gravel.What is the area actually covered by gravel?
asked by Tasha 
thermodynamics
a drum has height of 5 meters filled with water and open to atmosphere. compute for pressure acting st the middle of the drum.
asked by tin 
math 1350
Find the three digit number that satisfies the following conditions: . Has a factor of 3. . Has a factor of 5. . Has a factor of 7. . All digits are prime. Describe the thinking process you went through to solve this problem.
asked by Ne Ne 
Government
Why do some claim that judges “legislate from the bench?”
asked by Anonymous 
english
In each of the following sentences, insert correct capitalization and marks of punctuation whenever they are needed. Are these sentences correct. 1. On a recent blustery February afternoon, students were tearing down a sagging porch. 2. They are part of a
asked by Jennifer 
math
This is a greater than less than equal to problem, please check if this correct. _ 8/9 = .8
asked by bryn 
math 5th grade
Victoria has 2 pounds of flour, she uses 2/5 for pizza and 3/10 for bread. Find the weight of the pack of flour that is left..Express in decimal answer. 32 ounces of flour is what she has she uses 2/5 x32=64/5=12and4/5=12.832=19.2remaining flour she then
asked by mary 
Algebra
If Tyler and Maria can paint their kitchen in 5 hours and Maria can paint it in 9 hours by herself how long would it take Tyler to do it alone?
asked by Maura 
Algebra 1
If Tyler and Maria can paint their kitchen in 5 hours and Maria can paint it in 9 hours by herself how long would it take Tyler to do it alone?
asked by Anonymous 
Physics
question 1 ..A 5 kg rock is thrown vertically upward at 12 m/s. How high did the rock rise? question 2 The driver of a truck traveling at 126 km/h on a highway sees a sign which indicated that 800 m after the sign the maximum speed will be 90 km/h . When
asked by Axe 
Chemistry
The overall cell reaction occurring in an alkaline battery is: Zn(s) + MnO2(s) + H2O(l) > ZnO(s) + Mn(OH)2(s) a) How many moles of electrons flow per mole of reaction?...answer: 2. Mol eNote: b) If 6.09g of zinc is oxidized, how many grams of manganese
asked by Dalton 
Geometry
a triangle has an area of 35 square inches, and its base is 3 inches more than it's height. Find the base and height of the trianlge
asked by Christine 
Physics
The earth spins on its axis once a day and orbits the sun once a year (365 1/2 days). Determine the average angular velocity (in rad/s) of the earth as it (a)spins on its axis and (b) orbits the sun. In each case, take the positive direction for the
asked by Jose Luis 
Physics
011 10.0 points Masses 18 kg and 9 kg are connected by a light string that passes over a frictionless pulley as shown in the figure. The acceleration of gravity is 9.8 m/s2 . 18 kg 9 kg If the 18 kg mass, initially held at rest on the table, is released
asked by Madison