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September 3, 2014

Posts by ANONYMOUS


Total # Posts: 70,054

ALGEBRA
thank you Steve for explaining it like this I understand a little better. Have a good evening.
May 8, 2014

math
Vanessa typically works 8 hours per day in a normal 5 day work week. Last week however vanessa had to take 90 minutss off on tuesday 45 minutes off on Thursday and she left rwo and a half hours early on friday how many hours did vanessa work last week
May 7, 2014

math
Jen and jacob want to put a cement deck around their pool. if the cement cost $4.75 per square foot, how much is the cost of the deck? round to the nearest hundreth.
May 7, 2014

Math
Your uncle has 36 coins in nickels and quarters. The value of his nickels is 1/15 of the value of his quarters. Find the number of nickels. Please show progress in answer.
May 7, 2014

geometry
Bob's Barricades rents orange plastic cones to use as barricades in road construction. Each cone is 24 inches high with a diameter of 14 inches. A gallon of orange paint will cover approximately 400 square feet. About how many whole gallons of paint will Barb need to paint...
May 7, 2014

physics
A 60.0 kg box is lifted straight upward by a rope, a distance of 10.0 meters, at constant speed. How much power is required to complete this task in 5.00 seconds?
May 7, 2014

precalculus sem 1
for the polynomial shown below, find (1) f(x)=3x^4-x^2+4x-2
May 7, 2014

math
Problem Solving and Explain. The 52 students from Babcock school were divided into 9 squads for the Coast Trip . There are 25 parents including teachers attending. If we need to purchase 2 cookies for each person to eat for 2 nights, how many dozen cookies will wee need to buy...
May 7, 2014

Math
Problem: The 52 students from Babcock school were divided into 9 squads for the Coast Trip . There are 25 parents including teachers attending. If we need to purchase 2 cookies for each person to eat for 2 nights, how many dozen cookies will wee need to buy for the Coast Trip?
May 7, 2014

Social Studies
Is there a better answer?
May 7, 2014

Social Studies
How did British colonial practices in South Asia reflect the East India Company's practices? A. Tea and coffee were harvested and spices were traded by the East India Company, from which the British wanted to make India a colony. B. Under British colonialism, the East ...
May 7, 2014

Social Studies
How do monsoon winds impact South Asia? A. Rain is carried from the Arabian sea to India from June-September. B. Rain is carried from the Bay of Bengal to Bangladesh and India. C. Rain is carried from the Arabian Sea to Pakistan and Afghanistan. I think A, but C is pretty close?
May 7, 2014

Social Studies
Farmers who farm in the northern Indo-Gangetic plain in South Asia rely more massively on A. drenching rain brought by cool air B. essential moisture brought by monsoons C. water carried by rivers which comes from the Himalayas. C?
May 7, 2014

Social Studies
Because of the rich soil, migration has taken place to South Asia's A. gorges in the mountains B. Himalayas C. plateau regions D. flood plains D?
May 7, 2014

Maths
It is across from the 90 degree angle
May 7, 2014

Math homework help
Use half angle identities to find exact value. Given tan theta = -sqrt 2 / 2 and theta lies in quadrant IV, find cos theta / 2.
May 7, 2014

ALGEBRA
Which set of lengths could be the side lengths of a right triangle? (1 point) • 20 cm, 22 cm, 29 cm • 10 ft, 12 ft, 15 ft • 7 km, 24 km, 28 km • 13 in, 84 in, 85 in
May 7, 2014

Math
What amount should be accepted as equivalent, 60 days before an obligation of $1480 is due, if money can earn 6 3/4%?
May 7, 2014

CHEMISTRY HELP !!!!
The first time i tried this question I got 3.3 x 101 g and I recalculated it I got 3.0 x 102 g. That's why I was confused which one to pick.
May 7, 2014

CHEMISTRY HELP !!!!
Al3+ is reduced to Al(s) at an electrode. If a current of 2.75 ampere is passed for 36 hours, what mass of aluminum is deposited at the electrode? Assume 100% current efficiency. a. 9.2 x 10–3 g b. 3.3 x 101 g c. 9.9 x 101 g d. 1.0 x 102 g e. 3.0 x 102 g I think it is ...
May 7, 2014

Trig
Evaluate tan(a-b). No decimals. Only exact answer. Sin a = -7/25, cot b = -8/15 neither a nor b are in quadrant IV.
May 7, 2014

Trig
Use the given information to evaluate sin (a-b). Exact answers. No decimals. Sin a = -7/25, cot b = 8/15; neither a nor b are in quadrant III.
May 7, 2014

social studies
After capturing Washington, the British attacked what city, which they failed to capture? New York, Statton Island
May 7, 2014

computer assisted legal research part 2
what is ASCII
May 7, 2014

Trig
Use the given information to evaluate sin (a+b). Exact answers only. No decimals. Tan a = 4/3, cos b ='-12/13; neither a nor b are in quadrant III.
May 7, 2014

Algebra
Pls help me with these problem solving sums ----------------------------------------- 1)You are building a rectangular brick patio surrounded by crushed stone in a rectangular courtyard.The crushed stone border has a uniform width x (in feet) you have enough money in your ...
May 7, 2014

Trig
Simplify each expression using fundamental identities. 1. Sin theta cot theta 2. 1-sin^2 theta / cos theta
May 7, 2014

math
Solve the problem. An average library contains at least 50 and at most 250 books. How many library owners must be polled to be certain that at least two owners have the same number of books in their libraries?
May 7, 2014

chemistry
If 15.0 grams of Iron (III) oxide reacts with 25.0 grams of Strontium phosphate, how many grans of Iron (III) phosphate will be produced?
May 7, 2014

Social Studies
1. During the War of 1812, the Americans were fighting for a) self-government b) freedom of the seas c) freedom from England Answer is B 2. The Americans were most successful on a) sea b) Lake Champlain and Lake Erie c) on land Answer: B 3. The English were most successful on ...
May 7, 2014

math
Use the graph below to answer the following question. 1.   Find the slope.  (1 point) 2 – –2 Use the graph below to answer the following question. 2.   Find the slope of the line. Describe how one variable changes in relation to the ...
May 7, 2014

Social Studies
After capturing Washington, the British attacked what city, which they failed to capture? New York, Statton Island
May 7, 2014

Check my answers :(
1.A 2.? 3.B
May 7, 2014

Check my answers :(
A rock climber grasps onto a ledge in the rock wall. How do the bones and muscles in his arm interact to allow him to hold on? photo of a man climbing a rock wall All of the muscles in his arm contract to hold his arm in position. His arm muscles work in pairs so that one ...
May 7, 2014

CHEMISTRY HELP !!!!
What is the formula for dicyanobis(ethylenediamine)zirconium(IV) nitrate? a. Zr[(CN)2(NO3)2(en)2] b. [Zr(CN)2(NO3)2(en)2] c. (NO3)2[Zr(CN)2(en)2] d. [Zr(CN)2(en)2](NO3)2 e. [Zr(NO3)2(en)2](CN)2 Sorry, I think the multiple choice part didn't show up.
May 7, 2014

CHEMISTRY HELP !!!!
what is the formula for dicyanobis (ethylenediamine) zirconium (IV) nitrate? Thanks!!!
May 7, 2014

Help ASAP, plz?
A rock climber grasps onto a ledge in the rock wall. How do the bones and muscles in his arm interact to allow him to hold on? photo of a man climbing a rock wall All of the muscles in his arm contract to hold his arm in position. His arm muscles work in pairs so that one ...
May 6, 2014

Physics
dont know
May 6, 2014

Physics
A 0.50 kg pendulum is pulled back and released. When the height is 0.60 m above its equilibrium position its speed is 1.9 m/s. What is the maximum height of the pendulum?
May 6, 2014

Algebra
a/(a+3) = (2a)/(a - 3) - 1
May 6, 2014

Physics
A mass vibrates at the end of a horizontal spring (k=125 N/m) along a frictionless surface reaching a maximum speed of 7.0 m/s. If the maximum displacement of the mass is 85.0 cm, what is the mass?
May 6, 2014

Physics
The speed of a hockey puck (mass=100.0 g) decreases from 45.00 m/s to 42.68 m/s in coasting 16.00 m across the ice. a) How much thermal energy was produced? b) What frictional force was acting on the puck?
May 6, 2014

Physics
A 75 g arrow is fired horizontally. The bow string exerts an average of 65 N on the arrow over a distance of 0.90 m. With what speed does the arrow leave the bow string?
May 6, 2014

Physics
A 75 g arrow is fired horizontally. the bow string exerts an average force of 65 N on the arrow over a distance of 0.90 m. With what speed does the arrow leave the bow string?
May 6, 2014

science 3 questions
A rock climber grasps onto a ledge in the rock wall. How do the bones and muscles in his arm interact to allow him to hold on? photo of a man climbing a rock wall All of the muscles in his arm contract to hold his arm in position. His arm muscles work in pairs so that one ...
May 6, 2014

chemistry
help
May 6, 2014

chemistry
A silver block, initially at 59.4∘C^\circ C, is submerged into 100.0 g{\rm g} of water at 25.3∘C^\circ C, in an insulated container. The final temperature of the mixture upon reaching thermal equilibrium is 27.6∘C^\circ C.
May 6, 2014

social studies
The British attempted two invasions of America from the sea. The first one was at ? (Baltimore) and the second one at ?(New York) 2. After capturing Washington, the British attacked what city, which they failed to capture? Answer: New York, Statton Island 3. On November 7, ...
May 6, 2014

Science
In which way does the circulatory system rely on the skeletal system? Glucose is secreted by compact bone as an energy source for blood. Spongy bone stores minerals needed by blood cells. Bones provide a source of oxygen to blood. Blood cells are produced in bone marrow.
May 6, 2014

Trigonometry.
Use the given information to evaluate cos (a-b). Cot a = 3/4, cot b = 24/25; pi<a<3pi/2, 3pi/2<b<2pi.
May 6, 2014

Trigonometry
Verify the identity. (Cos x - sin x)^2 + (cos x + sin x)^2=2
May 6, 2014

Trigonometry
Simplify each expression using the fundamental identities. 1. Sec x csc x / sec^2x+csc^2x 2. Sec x + tan x / sec x + tan x - cos x
May 6, 2014

English
I have to write a critical essay on Hamlet and I can't find a good topic to write about. I need something that will be easy because I am not good in writing essays that are more elaborate. Can somebody suggest a good topic that will be easy to write about in approximately ...
May 6, 2014

Social Studies
It's not that far from New York.The Appalachian Mountains aren't in the way but The Hudson River is.
May 6, 2014

Social Studies
Driving to Corning, NY from New York City, NY and walking from Corning, NY to Goat Island, Niagara Falls, you wouldn't cross any bodies of water, mountains, or deserts? Right? I searched but I didn't get anything, I just want to make sure.
May 6, 2014

Math
Use the given information to evaluate cos (a+b). Sin a = -7/25, cot b = -8/15. Neither a nor b are in quadrant IV. exact answers only. No decimals.
May 6, 2014

social studies
The British attempted two invasions of America from the sea. The first one was at ? (Baltimore) and the second one at ?(New York) 2. After capturing Washington, the British attacked what city, which they failed to capture? Answer: New York, Statton Island 3. On November 7, ...
May 6, 2014

social studies
The British attempted two invasions of America from the sea. The first one was at ? (Baltimore) and the second one at ?(New York) 2. After capturing Washington, the British attacked what city, which they failed to capture? Answer: New York, Statton Island 3. On November 7, ...
May 6, 2014

math
lou makes pancakes at a pancake house. he makes 12 pancakes in 4 minutes. at a rate, how long would it take him to make 54 pancakes
May 6, 2014

MATH
It is estimated that 17% of americans have blue eyes. A random sample of 9 americans is selected. 1. Find the mean number of blu-eyed people in a sample of 9 americans.
May 6, 2014

social studies
1. what name did the people give to the good ship "Constitution"? Answer: Old Ironsides 2. Andrew Jackson is often spoken of by what nickname? Answer: King Mob 3. England's practice of forcing our sailors to serve in her navy was called what? Answer: impressment ...
May 6, 2014

Math
a/(a+3) = (2a)/(a - 3) - 1
May 6, 2014

social studies
what land did the United States gain from the War of 1812? Was it Florida or Detroit
May 6, 2014

science
My answers are in the brackets Nitrogen is cycled through an ecosystem by both plants and ?(animals). Decomposers break down dead organisms and their waste products to release ?(ammonia) in a process called ?(nitrification) These ?(decomposers) can then be used by plants to ...
May 6, 2014

science
Nitrogen is cycled through an ecosystem by both plants and ?(animals). Decomposers break down dead organisms and their waste products to release ?(ammonia) in a process called ?(nitrification) These ?(decomposers) can then be used by plants to make amino acids. The process of ...
May 6, 2014

STAT
it is estimated that 17% of americans have blue eyes. A random sample of 9 americans is selected. Find the probability that the sample includes exactly 2 people with blue eyes. Find the probability that the sample includes at most 2 people with blue eyes. Find the mean number ...
May 6, 2014

English 10B
Which of the following conclusions about the speaker is best supported by the ideas and information in "From Emperor to Citizen?"
May 6, 2014

stat
it is estimated that 17% of americans have blue eyes. A random sample of 9 americans is selected. Find the probability that the sample includes exactly 2 people with blue eyes.
May 6, 2014

S.S
2A 1D?
May 6, 2014

S.S
3A 2D 1B
May 6, 2014

S.S
1.The three main geographic regions of Peru are the A. sierra, the rain forest, and the plateau B. pampas, the rain forest, and the montaña C. selva, the sierra, and the pampas D. sierra, the coastal plain, and the selva 2.When oil prices fell in the mid-1980s, ...
May 6, 2014

Accounting
b
May 6, 2014

Data Structure
But the question above state that a group of k villagers. can we assume that only 1 villager row over?
May 6, 2014

Chem Check Please!!!
Calculate for the electrochemical cell below, Ag(s) | AgCl(s) | Cl–(aq) || Cu2+(aq) | Cu(s) given the following standard reduction potentials. Cu2+(aq) + 2 e– -> Cu(s) E = +0.337 V AgCl(s) + e– -> Ag(s) + Cl–(aq) E = +0.222 V a. –...
May 6, 2014

Chem Check Please!!!
1) As bound ligands, which of the following causes the largest splitting of d-orbitals? a. phen b. H2O c. I– d. CN– e. C2O4^2– Answer D 2) The spectrochemical series a. lists ligands in order from monodentate to hexadentate. b. lists ligands in the order of ...
May 6, 2014

Chem Check Please!!!
If an octahedral iron(II) complex is diamagnetic, which of the following sets of conditions best describes the complex? a. low-spin, Delta 0 small b. low-spin, Delta 0 large c. high-spin, Delta 0 small d. high-spin, Delta 0 large e. none of these Answer C or D not sure
May 6, 2014

Chem Check Please!!!
All of the following statements concerning crystal field theory are true EXCEPT a. in low-spin complexes, electrons are concentrated in the dxy, dyz, and dxz orbitals. b. in an isolated atom or ion, the five d orbitals have identical energy. c. low-spin complexes contain the ...
May 6, 2014

Chem Check Please!!!
In an octahedral complex, electrons in dz^2 and dx^2-y^2 orbitals experience a greater repulsion from the lone pairs of electrons on ligands because these orbitals a. contain more electrons than the other three d orbitals. b. each contain one unpaired electron. c. are oriented...
May 6, 2014

CHEMISTRY HELP !!!!
What is the name of the compound having the formula [Cr(en)2(H2O)2]SO4? a. dihydroxydiethlyenediamminechromate(2) sulfate b. diaquabis(ethylenediamine)sulfatochromate(4) c. bis(ethylenediamine)diaquachromium(2) sulfato d. diaquabis(ethylenediamine)sulfatochromium (2) e. ...
May 6, 2014

chemistry
How much heat energy is needed to change the temperature of 25.00 mL of water from 5.0°C to 75.0°C? The molar heat capacity of water for this process Cp = 75.38 J/(mol °C), d = 1.00 g/mL.
May 6, 2014

physics
Low E on a guitar vibrates at 82.4 Hz and the guitar is 62.8 cm long. How long would the same string have to be to vibrate at high E 329.6 Hz. Assume that both strings vibrate at the fundamental frequency for the string.
May 6, 2014

history 11th grade
What are the perils of the amazon rain forest?
May 6, 2014

Physic
r = 0.23m m = 3.8kg d = 1.37m t = 2.2s y = -Vot + 1/2at^2 1.37m = 0 + 1/2a(2.2s)^2 a = 1.37m / 2.42s^2 a = 0.57m/s^2 T = -(3.8kg)(0.57m/s^2) + (3.8kg * 9.8m/s^2) T = -2.17N + 37.24N T = 35.07N Fy: Py - T = m1α T = Iα rT = cmr^2α (0.23m)(35.07N) = m2(0.23m)^2 * (...
May 6, 2014

Physic
A massless rope is wrapped around a hollow cylinder of radius 23 cm whose central axis is fixed in a horizontal position. A mass of 3.8 kg hangs from the rope and, starting from rest, moves 137 cm in 2.2 s. What is the mass of the cylinder? (Answer: 62kg) Answer is provided ...
May 6, 2014

Precalculus
1. In an arithmetic sequence, the fifth term, u5, is greater than the first term, u1. The difference between these terms is 36. a) find the common difference 9? The tenth term of the sequence is double the seventh term . b) find u1 2.5? 2. Consider the function f(x) = ax^3 -3x...
May 5, 2014

Math
Raimo borrowed $750 from Chris on October 30 and agreed to repay the debt with simple interest at the rate of 12.3% on May 10. How much interest was owed on May 10? Assume that February has 28 days.
May 5, 2014

biology
Which candy required more base per gram of candy sweet tarts or smarties
May 5, 2014

Math
Asher cashed in a one-year term deposit after only five months had elapsed. In order to do so, he accepted an interest rate penalty—a reduction from the scheduled 5.5% rate of simple interest. If he was paid $145.83 interest on the $10,000 term deposit, what reduction was...
May 5, 2014

Algebra
That helps
May 5, 2014

Algebra
Divide. [(X^2 +6+9)/(X-1)]/(X^2-9)/(x^2-2x+1) • [(x+3)(x-1)]/(x-3) • [(x-3)(x+1)]/(x+3) • [(x+3)(x+1)/(x-3) • [(x-3)(x-1)]/x+3) How?
May 5, 2014

Science
It kind of helped.
May 5, 2014

Science
Human blood type is determined by co-dominant alleles. There are three different alleles, know as I^a and I^b alleles are co-dominant and the i allele is recessive. The possible human phenotypes for blood group are type A, type B, type AB, or type O. Type A and B individuals ...
May 5, 2014

Precalculus
Solve for x given the interval of [0,2pi). cos^2x=2+2sinx I got (3pi)/2 or 270 degrees.. By the way, does the notation [0,2pi) mean 0<=x<2 pi or 360?
May 5, 2014

Social Studies
In what ways could the American Revolution be considered a Civil War? The Patriots opposed the Loyalists. Those who supported the King were known as Loyalists. Those who supported separation from the King were called Patriots. An agreement could not be reached between the two ...
May 5, 2014

english
traditional african marriage is an advantage for men only ,not women?
May 5, 2014

Science help ASAP
1. In which way does the circulatory system rely on the skeletal system? Glucose is secreted by compact bone as an energy source for blood. Spongy bone stores minerals needed by blood cells. Bones provide a source of oxygen to blood. Blood cells are produced in bone marrow. 2...
May 5, 2014

Math
How did it add up to 1.7/.7r?
May 5, 2014

Math
Jane walks one mile from her house to her grandparents’ house. Then she returns home, walking with her grandfather. Her return rate is 70% of her normal walking rate. Let r represent her normal walking rate. a. Write an expression for the amount of time Jane spends ...
May 5, 2014

english
I like all of English.
May 5, 2014

english
What should you be if you like English, learning other countries cultures, and art, but not painting or anything like that. I am thinking about becoming an interior designer or lawyer. Thoughts or ideas?
May 5, 2014

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