Saturday
June 25, 2016

Posts by ANONYMOUS

Total # Posts: 97,956

Math
A grapefruit is 8% heavier than an orange, and an apple is 10% lighter than the orange. By what percentage is the apple lighter than the grapefruit?
June 8, 2016

Math
A grapefruit is 8% heavier than an orange, and an apple is 10% lighter than the orange. By what percentage is the grapefruit heavier than the apple?
June 8, 2016

Math
in a class of 60 students 30 like maths 25 like physics 30 like chemistry. if 10 like both physics and maths 5 like maths and chem and 5 like phy & chem and 3 like all the subjects. find student like none of subject if 100 students were surveyed
June 8, 2016

History
What was one effects that mass transit had on American cities?
June 8, 2016

geometry
a landscaper is creating a rectangle flower bed such that the width is half the length.the area of the flower bed is 34 square feet.
June 8, 2016

English
Write a letter to the editor of a newspaper describing the sad plight of such children and the need to uplift them
June 8, 2016

Math, Year 10, Simult. Equations
How can i know if two lines/equations intersect on a graph, algebraically? For example, I have two equations: 1. -x^2 + 3x + 4, and 2. x - 4 Ty in advan.
June 8, 2016

Analytical Chemistry
How do we do the calculations when carrying out an experiment on titrating 99% of 0.1molar of NaOH and 99% of 0.1molar of Sulphuric acid in a 1 litre?
June 8, 2016

Calc
sinx+x^2y=1 use implicit differentiation to find the second derivative. For the first derivative I got (cos(x)+2xy)/x^2. I have a feeling that is wrong, can someone please help and show steps on how to do this problem. (studying for a midterm).
June 8, 2016

Science
What is the equation of the street line that passes through the points 1 and -4 and 3 and 2
June 7, 2016

Physics
A thermos bottle contains 250 g of coffee at 88 0C. You then decide to add 27 g of milk at 5 0C. What is the equilibrium temperature of the mixture? Assume no heat is loss to the thermos bottle and that the specific heat of water, coffee and milk is about the same. Answer is ...
June 7, 2016

math
A grapefruit is 8% heavier than an orange, and an apple is 10% lighter than the orange. By what percent is the orange heavier than the apple?
June 7, 2016

Physics
An electric heater that produces 860 W (1 W = 1 J/s) of power is used to vaporize water. How much water at 100 0C can be changed to steam in 5 min by the heater? Use Lv = 2.25x106 J/kg for water at 100 0C and express your final answer in grams.
June 7, 2016

Math
0=1/9x+10/7y+8/7
June 6, 2016

chem
The problem is :2.8 grams of ethene burns in oxygen to form carbon dioxide and water Calculate a)the number of moles in 2.8g of ethene b)the number of carbon dioxide(mole ratio) dioxide formed c)the mass of carbon dioxide formed D)the volume of carbon dioxide formed
June 6, 2016

social studies
look up "nuclear family internal affects" it should be the first link on goog;e
June 6, 2016

Math
YW4573 This is a puzzle created by user on the site, you can't just ask for help in order to get the prize with ease.
June 6, 2016

Math
I think it is talking about two different scenarios.
June 6, 2016

Math
May i ask how to get this answer?
June 6, 2016

Math
On friday I'm gonna hang out with two friends. What are the chances that one of them is a guy if: A: one is a girl B: one is a girl born in december You may assume the following things: - Female and male friends are just as likely in general - All months have the same ...
June 6, 2016

Math
The farmer has chickens and rabbit and has 200 legs and 72 heads how many chickens and rabbits are there
June 6, 2016

Physics
0 degrees?
June 6, 2016

Math
Two jackals on the boat, leave one on the other side, go back, get a coyote, drop it off, go back, get another coyote, drop it off, go back, get the last coyote, drop it off, go back, get the jackal, drop it off and the jackal driving the boat gets off too. Keep in mind there ...
June 6, 2016

Math
Three jackals and three coyotes are on a trek across the Mokalani Plateau when they come to a river filled with carnivorous fish. There is a rowboat in sight, and the party decides to use it. (Both species are known for their cleverness.) However, the boat is too small for any...
June 6, 2016

math
help ! ms. sue ? Steve ?
June 6, 2016

math
1. what are the equivalent fraction and decimal for 33 1/3% ? a 1/33 and 0.3 b 1/33 and 3 c 3 1/3 and 0.00 d 1/3 and 0.33 <-- my answer 3. Estimate 78% of 20 a 14 b 16 c 19 d 2 (help??)
June 6, 2016

geometry
Find the sine of ∠K. 36 77 85 K J I Simplify your answer and write it as a proper fraction, improper fraction, or whole number.
June 6, 2016

Physics
Answer is 982
June 6, 2016

Physics
The density of water at 40 C is 1000 kg/ m3. What is the density of water at 900C. Use β= 210x10-6 C0.
June 6, 2016

Physics
18 mols of gold are shaped like a sphere. What is the sphere’s diameter. Note the atomic mass of gold is 0.197 kg/mol and its density is 19,300 kg/m3.
June 6, 2016

physics
An aircraft is flying at Mach 1.34 in air at -30C. What is the speed of the aircraft?
June 6, 2016

SOCIAL
during summer, the beach is crowded. the people who come to the beach, leave it dirty when they go. a small group of school and college students volunteer to clean the beach. how will they plan to carry out the activity. 1. no. of participants 2.materials to carry 3. time plan...
June 6, 2016

MATHS
PAGE=1798 FIND THE VALUE OF EGG+EGG= EGG+GAP= APP+AGE= AGE+EGG= EGG+APP=
June 6, 2016

Social Studies
Im gonna be be doing lincolns plan and a paper im just confused like what should i look up what questiosn should i look up so i can get the answers?
June 6, 2016

abc
Ashok covers 60 km in 1.5 hours with the wind and 2 hours against the wind. Find Ashok's speed and the speed of wind.
June 6, 2016

algebra
building is 2 ft fro fence that is 9 ft tall. ladder needs to reach 13 ft from ground. ladder is placed 8 ft from fence. How long is ladder?
June 5, 2016

English
I wouldn't use "in" but I think any of the others are fine.
June 5, 2016

Math
Jackie earns a base pay of $3000 a month at her sales job. Jackie also gets a 15% bonus on all monthly sales. To make sure she can pay her bills for the upcoming month, Jackie needs to earn at least $4200. Write an inequality to represent this situatio
June 5, 2016

10
A letter is picked random from the word COMPUTER. What is the probability that it is neither in the word met nor in the word up
June 5, 2016

biology
A student wants to design an experiment to demonstrate the effects of acid rain on plant life. Which of the following substances should be combined with water to best simulate acid rain? A. Vinegar B. Table salt C. Baking soda D. Ammonia
June 5, 2016

maths
the average of three numbers is 27.the average of two of them is 18.what is the third number?
June 5, 2016

Math w/reply
Thank you, thank you! I have never heard of that system. But will continue this packet with that system in mind!
June 5, 2016

Math w/reply
Hey there, just need help with these two. I need someone to help explain them to me/break them down. 1. gr 1/100=_____mg Answer: 0.6 2. 0.3mg= gr_____ Answer: 1/200 3. gr iii /ss= ______mg Answer: 210 Thank you in advance! *** REPLY: I did not get these answers. These are the ...
June 5, 2016

science
why do primitive organism have lesser number cells as compared to more advance form?
June 5, 2016

Math
Amy and Ashley bike along the same trail. Amy bikes the entire trail at a speed of 20 mph and Ashley bikes it at a speed of 15 mph. Amy finishes biking the entire trail 8 minutes before Ashley. How many miles long is the bike trail?
June 5, 2016

math
32foot ladder at a 70degree angle. How high is top of ladder
June 4, 2016

Math
Hey there, just need help with these two. I need someone to help explain them to me/break them down. 1. gr 1/100=_____mg Answer: 0.6 2. 0.3mg= gr_____ Answer: 1/200 3. gr iii /ss= ______mg Answer: 210 Thank you in advance!
June 4, 2016

Physics
Oops, then I miscounted... then would my answer be correct if it was 4?
June 4, 2016

Physics
This is a theoretical question, ignore the numbers. A 205-kg log is pulled up and to the right on a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0 degrees with respect to the horizontal. The coefficient of kinetic friction ...
June 4, 2016

Math-Calc
I made that seem a lot more complicated than it was! Thank you for your help!
June 4, 2016

Math-Calc
f(r)=r/(10r^2+7) find the critical numbers. I found the derivative to be -10r^2+7/(10r^2+7)^2 and now I am stuck. What do I do next?
June 4, 2016

Maths
Show that points (0,0),(5,5) and (-5,5) are the vertices of a isosceles triangle
June 3, 2016

advanced alh
The number of hours that college students sleep on a week night is approximated by a normal curve with a mean of 7 hours and a standard deviation of 1.7 hours. Answer the question below using a z table: About what proportion of students sleep less than 5 hours on a week night...
June 3, 2016

DRIVING. HELP PLS.
can someone please explain the actions that should be taken in each step of IPDE process while driving on a highway?
June 3, 2016

chemistry
a compound or solute with molecular mass 36?
June 3, 2016

Physics
A body travels a distance of 2m in 2s. 2.8m in next 4sec.What will be speed of body in 10th second of its journey.
June 3, 2016

english
Audrey said that Kyle was the most unique person she had even met. Why doesn't this statement make sense?
June 3, 2016

Math-Calc
woops sorry didnt see someone had already posted this
June 2, 2016

Math-Calc
limx->0 (3^x-6^x)/x please help here do not really know where to even start
June 2, 2016

pub;ic speaking
no its A
June 2, 2016

public speaking
B
June 2, 2016

pub;ic speaking
Which type of speech delivery is one that you are asked to deliver with little or no preparation? A. Extemporaneous B. Manuscript C. Impromptu D. Memorized
June 2, 2016

calculus
Find the point on the line 4x+2y+5=0 which is closest to the point (-2,-1)
June 2, 2016

Math
What is the approximate volume of 175 I dont really get the question
June 2, 2016

algebra
Which function contains this set of ordered pairs? {(–2, –7), (0, 1), ( 3, –17)}
June 2, 2016

Pre-Calculus
Assume that x, y, and z are positive numbers. Use the properties of logarithms to write the expression 2lnx - 6lny + 1/3ln e^12 as a simplified logarithm. Is this 2lnx - 6lny + 4, or can it be simplified further?
June 2, 2016

math
Ava and Kelly ran a road race, starting from the same place at the same time. Ava ran at an average speed of 6 miles per hour. Kelly ran at an average speed of 8 miles per hour.
June 2, 2016

Pre-Calculus
How do I find the domain of K(x) = x(32 - 2x)^2?
June 2, 2016

Math ~ CHECK ANSWER
no one here seems to be familiar with this topic. And of course, the plots are not visible here.
June 2, 2016

2 social studies questions
I would so greatly appreciate it. How does Reagan support his statement "Freedom is the victor"? How does Reagan challenge Gorbachev to prove that his reforms are not "token gestures"? *
June 2, 2016

Math
How do I simplify this Complex Rational Expression? 1/x-1+1/x+1 over 1/x-1-1/x+1
June 2, 2016

Reading
If your replacing part of a sentence the first thing you should do is look at how the sentence reads. In this case your sentence begins with," For people who are more comfortable with just one method". First of all if your comfortable with one method and suddenly you...
June 2, 2016

algebra
Which function contains this set of ordered pairs? {(–2, –7), (0, 1), ( 3, –17)}
June 2, 2016

U.S. History (Check)(REED)
Tactics of the nonviolent civil rights movement were influential in helping change people's minds about racism and stopping discrimination because they made many people realize that African Americans were not the enemy and meant no harm. All African Americans wanted was to...
June 2, 2016

Wastewater Treatment
In wastewater treatment, dimension the following pre-treatment unit for a wastewater treatment plant receiving a dry weather flow (dwf) of 18,000 m3/day. Assume that flow doubles during rain. A bar screen is used to remove the coarse waste. The rain water flow velocity in the ...
June 2, 2016

economics
mu=p ,according to cardinal using mathematical derivation
June 2, 2016

Pre-Calculus
Find a polynomial with the zeros -1, 7, sqrt2, and -(sqrt2). Can this be f(x) = x^4 - 6x^3 - 9x^2 + 12x + 14?
June 2, 2016

MAth
How much interest is earned in two years in two years on $200 in a bank account at an interest rate of 6%
June 1, 2016

MAth
24
June 1, 2016

MAth
How much interest is earned in two years in two years on $200 in a bank account at an interest rate of 6%
June 1, 2016

Physics
A 580-g squirrel with a surface area of 855 cm2 falls from a 5.2-m tree to the ground. Estimate its terminal velocity. (Use the drag coefficient for a horizontal skydiver. Assume that the cross-sectional area of the squirrel can be approximated as a rectangle of width 11.1 cm ...
June 1, 2016

CHECK my answers for DRIVERS ED
1. A following distance greater than three seconds is advised when you (1 point) are followed by a motorcycle. are driving uphill. are first learning to drive.*** are being tailgated. 2. If the vehicle following you is too close, what action can you take to avoid being hit ...
June 1, 2016

Physics
A 580-g squirrel with a surface area of 855 cm2 falls from a 5.2-m tree to the ground. Estimate its terminal velocity. (Use the drag coefficient for a horizontal skydiver. Assume that the cross-sectional area of the squirrel can be approximated as a rectangle of width 11.1 cm ...
June 1, 2016

Math
Good evening, I posted this question this morning. The answer that someone posted was not clear. Could someone please help me with this problem? x:9=2/3:36 The answer is 0.1666 But this is what I keep getting: x/9 = (2/3)/36 x * 36/36= (2/3) * (9/1) /36 (2/3) * (9/1) /36 = 6 6...
June 1, 2016

Physics
Consider the 50.0-kg mountain climber in the figure to the right. Find (a) the tension in the rope and (b) the force that the mountain climber must exert with her feet on the vertical rock face to remain stationary. Assume that the force is exerted parallel to her legs. Also, ...
June 1, 2016

REED will you check a few more? OR ANYONE
16. Identify the word or phrase that should be in italics. Riding the Orient Express toward Istanbul, Tom read the novels of Mark Twain. (1 point) Orient Express Istanbul Express Mark Twain**** 17. Identify the word or phrase that should be in italics: He felt like a character...
June 1, 2016

CHECK MY ANSWERS FOR ENGLISH PLEASE
11. Read the following paragraph found in the selection from "From Emperor to Citizen." The "Articles for Favorable Treatment" stipulated that I could live temporarily in the Imperial Palace without fixing any definite time limit. Apart from three large ...
June 1, 2016

chemistry
what are the products of a concentrated hydrochloric acid if inert electrodes are used
June 1, 2016

English answer CHECK
16. Identify the word or phrase that should be in italics. Riding the Orient Express toward Istanbul, Tom read the novels of Mark Twain. (1 point) Orient Express Istanbul Express Mark Twain**** 17. Identify the word or phrase that should be in italics: He felt like a character...
June 1, 2016

Math
Good morning! Could someone please help me with this problem? x:9=2/3:36 The answer is 0.1666 But this is what I keep getting: x/9 = (2/3)/36 x 36/36= (2/3) x (9/1) /36 (2/3) x (9/1) /36 = 6 6/36 = 6 Thank you in advance!
June 1, 2016

chemistry
what are the products of a concentrated solution of magnesium chloride if the electrodes used are inert
June 1, 2016

Algebra 1
Make a box-and-whisker plot of the data. 29, 21, 17, 10, 15, 27, 22, 30 i forget how you do this, can someone explain
June 1, 2016

SchoolCraft
A gas sample undergoes a reversible isothermal expansion. The figure gives the change ΔS in entropy of the gas versus the final volume Vf of the gas. The scale of the vertical axis is set by ΔSs = 68.4 J/K. How many moles are in the sample?
June 1, 2016

language arts
Which event from The Odyssey best highlights the idea that the ancient Greeks greatly disliked greediness?
June 1, 2016

language arts
Read the excerpt from The Odyssey. He saw the townlands and learned the minds of many distant men, and weathered many bitter nights and days in his deep heart at sea, while he fought only to save his life, to bring his shipmates home. But not by will nor valor could he save ...
June 1, 2016

Physics
Two speakers driven in a phase by the same amplifier at a frequency of 640 Hz, are 7 m apart. A listener originally at the position of one of the speakers starts walking away from that speaker in a direction that is perpendicular to the line connecting the two speakers. How ...
May 31, 2016

physics
The pressure in a section of horizontal pipe with a diameter of 2 cm is 143 kPa. Water flows through the pipe at 2.80 L/ s. If the pressure at a certain point is to be reduced to 103 kPa by constricting a section of the pipe, what should the diameter of the constricted section...
May 31, 2016

physics
A horizontal pipe (Venturi Tube) 10.0 cm in diameter has a smooth reduction to a pipe 5.00 cm in diameter. If the pressure of the water in the larger pipe is 8.0 x 105 Pa and the pressure in the smaller pipe is 3.0 x 104 Pa, at what rate does water flow through the pipes. Hint...
May 31, 2016

probability
If a number is chosen at random from the integers 5 to 25 inclusive, find the probability that the number is a) multiple of 5 or 3 b) even or prime numbers c) less or greater than 18
May 31, 2016

mathematics
a survey shows that 15% of men in a certain town are tall.if a man is chosen on the street of the town one afternoon, what is the probability that he is short.
May 31, 2016

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