Thursday
October 2, 2014

Posts by karla


Total # Posts: 145

geonetry
What is the area of sector CED when DE = 15 yd?
July 3, 2014

math homework
What is the perimeter of a triangle whose sides measure 21cm, 16cm, and 19cm?
April 17, 2014

chemistry
how many moles of H2O are produced when 5.00 mols of oxygen gas are used
March 25, 2014

math
Finney & Company purchased $1,800 of merchandise on 5/6. The terms were 2/15 EOM. The sneakers were received on 5/20, sent FOB Shipping Point. Freight charges amounted to $45. What payment must be made by that date to take advantage of the discount?
March 16, 2014

math
Bert wants to make a larger version of a drawing he saw in a magazine. The drawing fits into a square with each side measuring 7 cm. If Bert makes his copy twice the size of the square measured in the original drawing, how much space will it cover on the paper he uses?
February 17, 2014

Algebra
t=56
January 26, 2014

math 5th
in the following addition problem, each letter stands for a different digit. Find the value of X, Y, and Z XYZ + ZYX _______ YYZY
October 10, 2013

physics
f a police car is traveling along at 40 mi/hr and speeds up to 90 mi/hr to catch a speeder and it takes a total time of 1hr to finally catch the speeder. what was the police car's acceleration?
September 9, 2013

Math
Cepheid variables are vital for measuring the distances of relatively nearby galaxies. What is the probability of finding a cepheid variable star? State ALL your assumptions
April 30, 2013

Chemistry
If 45g of a 2.2% NaHCo3 solution is to be prepared how many grams of NaHCo3 are needed
April 16, 2013

math
ms.joliet gave a math quiz to see how her small group was doing. what score would make the median 90, the mode 85, and the range 20 if she had the numbers listed below 85,85,90,?,100,85,80,100,90
February 8, 2013

Spanish please translate from spanish to english
1.) What is the higher premium? 2.) What is the lower premium? 3.) Is May 12. It is August 20. It's the first of December. Is December 1. 4.) Is twelve years old. 're Twelve. I have twelve.
February 8, 2013

Please translate from spanish to english
The Gutierrez family has two children. Ramon is 15. It is the oldest son. His birthday is August 20. Roger is 13. It is the youngest son. Roger's birthday is on December 1. Ramon and Roger have two cousins​​. They are called Lydia and Silvia. Lydia is 14 and is...
February 8, 2013

Math
Sally bought 3 tickets to the observation deck at the top of a skyscraper. She paid with a five-dollar bill and got 50 cents change. What was the cost of each ticket?
January 28, 2013

English
What public health issue starts the escalation of misery in "top of the food chain"?
December 26, 2012

Macroeconomics
Consider the following data: The money supply in $1 trillion, the price level equals 2, and real GDP is $5 trillion in base-year dollars. What is the income velocity of money?
December 2, 2012

Business math/Finite
Find the amount accumulated in the sinking fund it $450 is deposited monthly for 20 years at 9% per year? (assume end_of_period deposits and compounding at the same intervals as deposits. Round your answer to the nearest cent.)
November 28, 2012

Business math/Finite
How long to the nearest year, will it take an investment to double if it is continuously compounded at 4% per year
November 28, 2012

World Geography
When attacking Russia in 1941,Germany...
October 25, 2012

physics
How many significant figures are in 24.010
October 22, 2012

chemistry
Thank You!!!
October 12, 2012

chemistry
In a 1.0x10^-4 M solution of HClO(aq), identify the relative molar amounts of these species:HClO, OH-, H3O+, OCl-, H2O
October 12, 2012

physics
a car skids to a halt at a rate of -9.4 m/s2. the skid marks measure 34 m. what speed was the car going when it slammed on the brakes?
September 17, 2012

algebra 2
how do i find the are of the region defined by |x|+|y| less than or equal to 5 and |x|+|y| greater than or equal to?
September 11, 2012

algebra 2
how do i find the are of the region defined by |x|+|y| less than or equal to 5 and |x|+|y| greater than or equal to?
September 11, 2012

math
i believe its 1.9
September 11, 2012

PHYSICAL SCIENCE
An object has a length of 5.0 cm, a height of 3.0 cm and a width of 15.0 cm. It has a mass of 24 grams. What is its density?
September 11, 2012

Physics
Large boxes of pumpkins are set on a ramp to be unloaded out of a truck. The 300.0 lb boxes are set on the ramp which has an incline of 35 degrees. They must then be pushed to get started down the plane towards the bottom. If the coefficient of the static friction between the ...
September 4, 2012

College Physics
Large boxes of pumpkins are set on a ramp to be unloaded out of a truck. The 300.0 lb boxes are set on the ramp which has an incline of 35 degrees. They must then be pushed to get started down the plane towards the bottom. If the coefficient of the static friction between the ...
August 30, 2012

Physics
Assume a block on unknown weight rests on an incline of 25 degrees and is initially not moving. What push (P) is required to start moving the block if the coefficient of static friction is 0.7?
August 30, 2012

Physics
Assume a block on unknown weight rests on an incline of 25 degrees and is initially not moving. What push (P) is required to start moving the block if the coefficient of static friction is 0.7?
August 30, 2012

science
the patient reports numbness and tingling in the left lumbar area and pain in the contralateral femoral region
August 28, 2012

science
the patient reports numbness and tingling in the left lumbar area and pain in the contralateral femoral region
August 28, 2012

math
A new car comes in 5 exterior colors and 3 interior colors. How many different-looking cars are possible?
August 19, 2012

math
If Christopher wants to have the same number of hot dogs and buns, what is the minimum number of hot dogs he will have to buy?
July 30, 2012

chemistry
25mL of tap-water is titrated with .00500 M EDTA. 7.95mL of EDTA is required for complete reaction, Whatis the molarity of that total water hardness in the 25mL sample
May 1, 2012

economics
What do brokerage firms charge fees on
April 17, 2012

Math
I'm having a hard time with this problem. The book tells you the answer is 5, but I don't know how they got there. log(x+25)= 1+ log(2x-7)
April 9, 2012

ap world history
Can you compare North American racial ideologies and their effects on society with Latin American/Caribbean racial ideologies and their effects on society in 1500-1830?
March 21, 2012

4th grade math
mia gave1\3 of her 24 marbles to david how many david get
March 12, 2012

Business Finance
Assume a bank loan requires a interest payment of $85 per year and a principal payment of $1,000 at the end of the loan's eight-year life. a) How much could this loan be sold for to another bank if loans of similar quality carried a 8.5 percent interest rate?
March 1, 2012

physics
What is the length of a box in which the difference between an electron's first and second allowed energies is 1.30×10−19 ?
February 28, 2012

math
if the drama club would want 120 to people see them act and want to fill up 10 rows how many people are in each row
February 8, 2012

math
how do i show my work for, 5+10/(1*(8+6)-4=6 ya i know the answer but i wanna know how to show my work.
January 9, 2012

english
Phil
November 7, 2011

Physics
Thanks!
September 25, 2011

Physics
During a lawnmower race, a rider starts from rest and accelerates at 1 m/s/s for 10 seconds. The rider then maintains a constant velocity for the remainder of the race, which takes an additional 20 seconds. A) How far was the race? B) What was the lawnmower's average ...
September 25, 2011

Physics
Does he get what back?
September 11, 2011

English
This is about The perfect Picture- byJames Thom What purpose does Thom's introduction serve and how did it affect you? How would the meaning of Thom's essay change if his essay started with paragraph 2 instead?
September 11, 2011

English
This is about Sound and Fury- Dan Greenburg Where is Greenburg's point stated in his essay and what is his point? How would the meaning be different if Greenburg had ended his essay with paragraph 29?
September 11, 2011

History Project Suggestions
I suggest LBJ I mean lol *
September 11, 2011

History Project Suggestions
I can choose two ! I really wish Reagan was here :(
September 11, 2011

Maths
Hey :) I was wondering if someone could tell me if this answer and working is correct or not... Cos theta =-0.25 Cos inverse -0.25 = -14 therefore theta equals: 180--14=194or/and 180+-14=166 Any help would be much appreciated :) Thanks!
August 29, 2011

Chemistry
At standard temperature a gas has a volume of 275ml if the temperature is increased to 130C buit the pressure is held constant what is the new volume?
April 19, 2011

statistics
John drives to work each morning and the trip takes an average of  = 38 minutes. The distribution of driving times is approximately normal with a standard deviation of  = 5 minutes. For a randomly selected morning, what is the probability that John's drive ...
April 17, 2011

Chm General 2
if a student doing an experiment failed to dry the KHP before using it to standarize the NaOH solution. A) Would her calculated molarity of the NaOH solution probably be too hight or too Low?
March 23, 2011

statistics
using the 98-95-99.7 rule, find the percentage of scores within 20 points of the mean of 50.
March 21, 2011

science
how to tell if a solution is saturated
February 16, 2011

College history
I'm still not sure on how to answer this
February 10, 2011

College history
Explain the meetings that resulted in the Japanese seeing "Rolls-Royce,Rolls-Royce,Ford" and how was this part of Americans "clamoring for the outlawry of war? I need help with this question because I don't understand the question and what exactly it is ...
February 10, 2011

algebra 2 and trigonometry
What the solution of the equation: y^2-3y=9 ?
January 18, 2011

algebra 2 and trigonometry
What the solution of the equation: y^2-3y=9 ?
January 18, 2011

Literature
According to the map,Tony' farm is just ahead. Is this an adverb phrase
January 10, 2011

Global
How did the Scramble for africa impact people living back then & living today?
January 1, 2011

algebra
6x-7x=20 what is the value of x-
November 30, 2010

physics
in a vessel of 40 cm3 of water at 4 ° C is introduced aluminum over 80g to 8 º C. neglecting the effect of the vessel, calculate final temperature
November 24, 2010

chemistry
in a recipient of 40 cm^3 of water at 4°C is introduced aluminum over 80g to 8ºC. neglecting the effect of the recipient, calculate final temperature
November 24, 2010

math
two vectors are defined as a=2i+xj and b=i-4j. find value of x if a) the vectors are parallel b) the vectors are perpendicular
November 21, 2010

math
two vectors are defined as a=2i+xj and b=i-4j. find value of x if a) the vectors are parallel b) the vectors are perpendicular
November 21, 2010

Global
The tombstone proclaims that all france lies beneath the guillotine. What revolutionary event does it depict?
November 11, 2010

Global History
what about this one how has the idea of freedom of thoughts and expression by the philosopher voltaire altered the way governments manage societies
November 2, 2010

Global History
okay thanks you
November 2, 2010

Global History
well i have to write a paragraph explain how the scientific method impacted our understanding of the world and the way we study it?
November 2, 2010

Global History
How has the scientific method impact our understanding of the world and the way we study it?
November 2, 2010

chemistry
Calculate the pH during the titration of 20.00 mL of 0.1000 M CH3CH2CH2COOH with 0.1000 M NaOH after 26.5 mL of the base have been added. Ka of butanoic acid = 1.54 x 10-5.
October 31, 2010

chemistry
Calculate the pH during the titration of 20.00 mL of 0.1000 M CH3CH2CH2COOH with 0.1000 M NaOH after 26.5 mL of the base have been added. Ka of butanoic acid = 1.54 x 10-5.
October 31, 2010

English
Upon the death of Spitz in The Call of the Wild, Francois and Perrault decide that the new sled-team leader should be A. Dave. B. Sol-leks. C. Billee. D. Buck.
October 3, 2010

physics
Standing on top of the science building, which is 48 m high, a group of students use a slingshot to shoot a steel ball bearing straight up into the air. The ball bearing passes the students on its way down to the ground 3.2 sec after it was shot. (once the ball bearing leaves ...
September 27, 2010

Physics
i still don't understand parts b and c.
September 23, 2010

Physics
A stone is dropped off the science building and accelerates, from rest, toward the ground at 9.8 m/s/s. A curious physics student looks out the third floor window as the stone falls past. She happens to have a stopwatch and she finds that it takes 0.30 sec for the stone to ...
September 23, 2010

physics
i still don't understand how to do parts b and c.
September 23, 2010

physics
the mean radius of the earth is 6,000,000 meters. Express this value in kilometers
September 18, 2010

biology
how does a hypothesis help scientists understand the natural world?
September 14, 2010

7th grade
i have homework and it saids order 3 2 1 5,3, and 2. the LCM of 5,3, and 2 is _____.so_____ is the lcd. i dont understand the teacher did not explainn good the work book is called all-in-one student work book version A prentice hall mathematics course 2 please help mhe i need ...
September 13, 2010

math
From a point on a straight road, two cars are driven in opposite directions, one at 44 miles per hour and the other at 35 miles per hour. In how many hours will they be 237 miles apart?
September 13, 2010

English
Is it modifying a noun(adjective) or a verb(adverb)?
September 1, 2010

Writing
You need a topic sentence, which tells the main idea of the paragraph (usually first, but doesn't have to be), then at least two sentences giving additional information or supporting your idea. You can have as many supporting sentences as you need, but make sure they all ...
September 1, 2010

Math
Write down eight blanks in a row, and label them, from right to left (weird, I know): ones, tens, hundreds, thousands, ten thousands, hundred thousands, millions. The digit in the thousands place is 5. Write it in that blank. Think what odd number is greater than 7 but less ...
September 1, 2010

Biology
Think of what stimuli are - external factors that have an effect on the body. The receptors 'feel' the stimuli. Read A again - what are chemicals, light, and pressure? Can they convert stimuli? Read B again - can receptors become aware of stimuli?
August 31, 2010

science
think about how much air is surrounding each object pushing on it (exerting pressure). Does it matter what the object is? Air pressure is basically the weight of the air above the object.
August 31, 2010

Biology
There are four choices here. Three of them have to do with emotions and synthesis (creating things or ideas). One deals with sequence and analysis (in this case, language). You can only choose one....
August 31, 2010

Biology
I don't know this one, but you could just look up each of the options in wikipedia, or google each option with the phrase "in adolescence" included in your search.
August 31, 2010

physics
She is travelling the same distance at each speed, so it doesn't matter what that distance is. You simply find the average of the two speeds.
August 31, 2010

science
To get you started: It looks like you want the equation for potassium and sulfur reacting to form potassium sulfide, that is potassium + sulfur ---> potassium sulfide Write this down using the chemical symbols for each. You will need to find the number of valence electrons ...
August 31, 2010

Chemistry
How would you make 500 mL (0.500L) of a 0.200 M HCl solution from stock concentrate of 12 M HCl?
June 8, 2010

Chemistry
How would you make 500 mL (0.500L) of a 0.200 M HCl solution from stock concentrate of 12 M HCl?
June 8, 2010

Chemistry
How would you make 500 mL (0.500L) of a 0.200 M HCl solution from stock concentrate of 12 M HCl?
June 8, 2010

algebra
together, jareds age and his daughters age total 100. but jareds grandfather is 70 years older than him. how old is jareds grandfather?
May 13, 2010

math
how long do guys take answer questions
May 11, 2010

math
i need help with my homework
May 11, 2010

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