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March 23, 2017

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Posts by ANONYMOUS

Total # Posts: 106,712

Calculus
Find the derivative of the function to the velocity function, and plug in 2 for t.
January 12, 2017

Physical science
two forces of 5N and 12N respectively act on the same point.show how you would determine the magnitude of the resultant by using the tail to head and tail to tail methods and Pythagoras theorem
January 12, 2017

SS
Hint: the main words behind the ruling were "separate but equal."
January 12, 2017

Physics
For part two, I think they are referring to the energy it takes to convert liquid water from 100 degrees to boiling water at 100 degrees (latent heat). I understand the first part now.
January 12, 2017

Physics
You and another person go to the museum and decide to take a look at an exhibit that has a bike with an attached heating coil/generator. The coil is placed in a tank of water at 20 deg C. Peddling makes the coil increase the energy of the water. The goal is to make the water ...
January 12, 2017

sdsdd
box contains 100 bolts of which 9 are defective. Find the probability that a bolt chosen at random is not defective.
January 12, 2017

4th grade math
Rhonda bakes p pies Mary bakes 3p pies If together they bake 20 pies, how many pies does Mary bake
January 12, 2017

Physics
An object is 10 mters long and has a weight of 125N. The weight of the object is determined by the expression, 250N= a10m+B kg/m. What are the units of a and B
January 11, 2017

Physics
What is the period of a wave that travels through a spring at 2.5 m/s and has a wavelength of 1.3 meters?
January 11, 2017

Social studies
B A&B B C C D A
January 11, 2017

Math, Algebra,
Help! I can't understand or find out the answer, I tried but I keep getting lost! George rides a cab to work 3 days a week. He pays $3.50 for the cab to pick him up. He pays an additional fee for each mile driven. In one week, George paid $35.25. If he rides 11 miles each ...
January 11, 2017

Math
In a triangle ABC,AB=5cm,BC=12cm,angle ABC=90°calculate 1)the length of AC. 2)the area of the triangle 3)the length of the perpendicular from B to AC
January 11, 2017

Math, Algebra
Can you please help me! I solved it, but I'm not sure if I'm right. ------------------------------ Paulo pays $45.99 per month for unlimited calls, with additional charges for text messages. His bill for 4 months is $207.96. If he sends 100 texts each month, how much ...
January 11, 2017

math
Hoshi walks10 meters in 3 seconds.what is her rate.
January 11, 2017

Social Studies
is number 2 a or d?
January 11, 2017

Social Studies
Is that right ?^^
January 11, 2017

JUST PLAIN EASY
JNISGKDHTA IHS ANWHEMSHOGMTE ANM IG WJRNOGNUG Rule: every other letter start at the beginning at each word
January 11, 2017

Social Studies
ABD is right
January 11, 2017

math
1. In the middle of the page, draw two vertical lines an inch long, an inch apart, and that are parallel to each other. 2. About a half inch below the lines, draw a half-inch horizontal line that is centered between the lines. 3. Draw a line from the bottom of the left ...
January 11, 2017

Social studies
*not @Reed
January 11, 2017

math
A number X is 3 times greater than the number Y, and Y is 3 times greater than Z. If the sum of Y and Z is equal to 50, what is the value of X? Please show working out, thanks.
January 11, 2017

math;););)
Apply the 57-degree counterclockwise rotation about the origin to the vectors [1, 0] and [0,1], then use the image vectors (written as columns) to form the coe cient matrix M for the rotation. Test M by calculating the products M[1] [0] and M[0] [1 ]. Where does this rotation ...
January 11, 2017

Math;);)
Use the vector form of the Law of Cosines to show that |u + v|^2 ? (|u| + |v|)^2 holds for any vectors u and v. What does this prove?
January 11, 2017

Math
2.75 times 2 .5 times 11
January 10, 2017

math
A teacher from Anderson Middle School printed k nametags in preparation for the science fair. Half of the nametags were given out to students and 100 nametags were given out to parents. Three-fifths of the remaining nametags were given out to teachers and contests judges. How ...
January 10, 2017

Earth science
Most of the sand that makes up the sandstone found in New York State was originally deposited in which type of layers?
January 10, 2017

math;);)
wait actually is it divide by 7 or 8? shouldn't it be 7?
January 10, 2017

math;);)
ok thx
January 10, 2017

math;);)
During one term in Math 310, Min Lee took seven tests, the last of which carried twice the weight of each of the others when averages were computed. Min’s test-score vector for the term was [84,78,91,80,72,88,83]. Show that Min’s final average, a weighted average, ...
January 10, 2017

Math
The area of a playground is 50 yd^2. The width of the playground is 5 yd longer than its length. Find the length and width of the playground.
January 10, 2017

Math
922
January 10, 2017

Chemistry
why is a solution of copper sulfate and sulfuric acid required in corrosion testing? Won't the protons and the positive ions adhere to the metals surface and contaminant it?? Just a curious q. Thanks!
January 10, 2017

Science
What's pyramid of biomass?
January 10, 2017

Math
100% thanks Emo Girl!!!
January 10, 2017

Algebra
Find the sum of the odd integers from 1 through 49.
January 10, 2017

language arts
This semester you read several memoirs, including pieces by Ernesto Galarza and Russell Baker. Return to “Barrio Boy” and “No Gumption” now. How are these two memoirs similar? How are they different? In what ways are the authors’ choices and depictions...
January 10, 2017

EmberShy
1. What is the product of (-6.8)^2? Is the answer 46.24?
January 10, 2017

Physics
An airplane travelling north at 400 m/s is accelerated due east at a rate of 50m/s^2 for 6 seconds. If the effects of air resistance and gravity are ignored, what is the final speed of the plane? My working: v=vo+at where a=50m/s Vo = 400 m/s t = 6s thus: Vo=400+50(6) =700m/s ...
January 10, 2017

geometry
42 ka vargmul kya hota hai
January 10, 2017

math
Christin's age is equal to three times her age in 3 years' time minus three times her age 3 years ago. What is her age now? Please explain how you got the answer as well, thanks.
January 10, 2017

math
Patel, Quoc and Ron live near each other along the same straight road. Patel lives 0.6km from Quoc. Ron lives 0.4km from Patel. How far apart do Quoc and Ron live? A) They must live 0.2km apart. B) They must live 1.0km apart. C) They could live 0.2km or 1.0km apart. D) They ...
January 10, 2017

physics`
actually never mind I asked a different website and they responded quicker so I got my answer
January 10, 2017

physics`
which has more momentum: a snail moving at .001m/s or a 2-ton boulder resting on the ground? why?
January 10, 2017

Math science etc
Construct a triangle in which BC=5.2 AB-AC=1.2cm and B=60° Also write the construction
January 10, 2017

northwester
Write 608,000 in expanded form.
January 9, 2017

math
A farmer collected some eggs from his farm and found b eggs broken. He packed the remaining eggs in c egg cartons. Each egg carton can hold a dozen eggs and no eggs were leftover. Write an algebraic expression for the number of eggs he collected initially in terms of b and c.
January 9, 2017

Science, Chemistry
A 1050.0 mL solution of NaOH is neutralized by 0.25 L of 2.00M Nitric Acid using Bromothymol Blue as an indicator. The concentration of the NaOH solution is 0.48M. True or False
January 9, 2017

math
The weight of 2 science fiction books and 1 autobiography is 5/6w pounds. What is the total weight of 4 of these science fiction books and 2 of these autobiographies?
January 9, 2017

math
if the average daily sales amount for the past 5 days was (2.3q + 1.4) dollars, write an algebraic expression for the total sales amount for the past 5 days.
January 9, 2017

math
40% of k liters 0.40*kL 0.60*wL 0.40kL + 0.60wL = 1wL is this the correct answer
January 9, 2017

math
40% of k liters of acid are added to 60% of w liters of water. Write an algebraic expression for the total volume of the solution.
January 9, 2017

Geography
What geography blocks monsoons?
January 9, 2017

Friend
Buenos Dias mis amigos hoy está bien frío aquí en Florida! Hoy mi esposo y yo cumplimos 46 años de casados! Translate to English
January 9, 2017

maths
16 are girls and 1/2 are girls
January 9, 2017

music
Can you help plz
January 9, 2017

Physics
the orbital period of the moon is 27.32 days. The international space station has an orbital period of 90 minutes. What is the mean distance between the center of the earth and the center of the international space station? moons orbital radius: 25,201
January 9, 2017

all
For highschool what percentages correspond with grade letters. like is a 91% an A, A-, or A+
January 9, 2017

health
I never said I was suicidal
January 9, 2017

health
I already reported it
January 9, 2017

health
Why do schools not teach childeren about sexual abuse. If i was taught that no one is alowed to touch my private parts when I was in kindergarten then i would have been able to tell that my father was raping me.
January 9, 2017

Math
AB ∥ CD
January 9, 2017

Math
AB ? CD
January 9, 2017

Math
AB ☍ CD
January 9, 2017

science
It's 1.C 2.A 3.D 4.false
January 9, 2017

Physics
mgH=mv²/2 v=sqrt(2gH) F=?p/?t= ?(mv)/ ?t=m ?(v)/?t= =m[sqrt(2gH)-0]/?t= m[sqrt(2gH)]/ ?t
January 9, 2017

mosab bin omair
The answer is 0.038. Substituting into the equilibrium expression, you have K = (0.013*0.0001)/(0.000034)
January 9, 2017

Algebra - Solving Systems by Elmination
3x + 8y = -5 -2x + 2y = 18
January 9, 2017

math
When your doing your math classwork try matching up the problems with Khanacademy its free and gives you immediate feedback when you are wrong and how to do the problem. The key is to actually learn this math. Then when you get stuck on classwork you can get the Tutor or ...
January 9, 2017

math
sorry 4 your loss
January 9, 2017

math
Please help with this test, I was out of school for awhile due to my dad passing away from heart and kidney failure. I'm trying to catch up on missing work and get good grades to make my mom happy and every time I ask my teachers for help with this test they really don'...
January 9, 2017

Social Studies Abolitionism Quiz
Who was the publisher of The Liberator?
January 9, 2017

Social Studies Abolitionism Quiz
Based on this early illustration of the town, what is one reason why Francis Lowell's partners might have chosen this area to build the factory town of Lowell?
January 9, 2017

Reading Process LA Q
C. C. A. A. B. 100% correct, just took it
January 9, 2017

CHEMISTRY URGENT
1. You have been given a sample of unknown molarity. Calculate the molarity of a solution which has been prepared by dissolving 8.75 moles of sodium chloride in enough water to produce a solution of 6.22l. 2. You have a sample which consists of 428g sodium hydroxide (NaOH) ...
January 9, 2017

math
Uncle Bill is 6 times as old as John and he will be 4 times as old as John in 4 years' time. If Uncle Bill is less than 60 years of age, how old will he be in 6 years' time? Please show working out as well, thanks.
January 9, 2017

math
A 2m wide path is built around a 20m square swimming pool. The distance around the outside of the path will be: A) 96m B) 48m C) 92m D) 56m Also, please explain how you got the answer, thanks.
January 9, 2017

math
Oh, ok, thanks.
January 9, 2017

math
Lee bought 8 T-shirts for $2.32 each and sold them for $5.18 each. How much money did she make?
January 9, 2017

Math
Which pair of ratios does not form a true proportion? A 8:14–20:35 B 6 to 10 and 15 to 25 C 9/5 equals 27/15 D 12:15 and 30:50
January 8, 2017

physics
oh! ok thanks
January 8, 2017

physics
But that doesn't make sense because an apple can't make the earth move, even a little.
January 8, 2017

physics
when an apple falls from a tree, and strikes the ground without bouncing, what happens to its momentum?
January 8, 2017

Science
Wolves: Moose: 6 10 3.Calculate the average of moose killed by one wolf in each territory. So, would I divide the number of moose by wolves, or wolves by moose?
January 8, 2017

math
A scientist observes two colonies of bacteria. The first grows at a rate of 2.2 x 10^6 bacteria per hour. The other grows at a rate of 6.3 x 10^5 bacteria per hour. Which grows faster? How do you know?
January 8, 2017

Math
At one afterschool event, of the students were 8th graders and the rest were 7th graders. Of the students who were in 7th grade, the ratio of boys to girls was 3:5. What percent of all the students at the afterschool event were boys who are in the 7th grade? Help plz
January 8, 2017

physics
when temperature increases from t to # t and the moment of inertia is increase from I to #I. the coefficent of linear expansion is alpha .THE RATIO OF #I\I IS
January 8, 2017

Maths
PQRS is a rectangle, whose diagnols PR =2x + QS=3x+1.Find the value of x
January 8, 2017

Account _trial bal
Goods return from debtors come in which account debit or credit
January 8, 2017

English
Help me write a hyperbole poem
January 7, 2017

Physical science
What was Jack's speed from 5 sec to 10 sec
January 7, 2017

math
With 300 dollars one will have to buy total 30 items. If price of a exercise book is 30 dollars, price of pen is 24 dollars and price of a pencil is 6 dollars, and if that person is bound to buy at least one of each item, how many exercise books, how many pens and how many ...
January 7, 2017

stiochemetry
what mass of silver nitrate is needed to prepare 100cm3 of silver nitrate solution, concentration 0.2mol/dm3? the mass of one mole of silver nitrate is 170g
January 7, 2017

accounting
Revenue is traditionally recognized in the accounting records when A. cash is received. B. services are rendered. C. it’s incurred. D. None of the above
January 6, 2017

Math
Need to build a rectangular garden on an area of 8,000 sf. What are the dimensions?
January 6, 2017

Physics
Find the specific heat of an unknown metal given this data: Mass of the metal = 120 g Temp of the metal = 220 degrees Mass of the water = 30 g Initial Temp of the water = 20 degrees Final Temp of the water = 85.6 degrees Specific Heat of the water = 4.186 J/gram C I get 0.51 J...
January 6, 2017

American Government
For Q3, it might help to look up a graph for public debt over the years.
January 6, 2017

language arts
what do these lines most likely reveal about grandma sands?????!!!!! plese answer!!!!!!!!!
January 6, 2017

Math
One third of a number divided by itself gives 1/3. Find the number.
January 6, 2017

Stem
Calculate the pH of the solution resulting from the addition of 20.0 mL of 0.100 M NaOH to 30.0 mL of 0.100 M HNO3. (a) 1.35 (b) 1.70 (c) 1.95 (d) 2.52
January 6, 2017

Math
The average of third number is 29 if the average of two number is27 .find the third number ?
January 6, 2017

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