Friday
December 2, 2016

Posts by Brandy

Total # Posts: 217

math
When 26 is subtracted from 3 times a number, the result is greater than 10. What number are possible?
November 14, 2016

Chemistry
What type of reaction is listed below? Prove that it is balanced by listing the number of elements on both side of the equation (reactants vs. products)? CH 3 COOH + NaHCO 3  NaCH 3 COO + H 2 CO 3 2. What type of reaction occurred with H 2 CO 3 from the above equation ...
September 28, 2016

Evironmental Science
All of the following make up the three major categories of environmental problems except? a. loss of biodiversity. b. overpopulation. c. resource depletion.
September 28, 2016

mathematics
so this would be my answer: 30 40-10 (40-10)^2 = 40^2 -2(40)(10) + 10^2 30 squared = 900 40 squared = 1600 2(40)(10) = 800 10 squared = 100 1600 - 800 + 100 = 900 900=900
June 9, 2016

mathematics
So the answer would be 900 from all that work?
June 9, 2016

mathematics
It is kind of difficult for me.
June 9, 2016

mathematics
Pick a two-digit number greater than 25. Rewrite your two-digit number as a difference of two numbers. Show how to use the identity (x − y)^2 = x^2 − 2xy + y^2 to square your number without using a calculator.
June 9, 2016

Spanish
what unusual items are made of sawdust in honduras
April 28, 2016

snowmobiles/science
What other things would be used to make a snowmobile accelerate?
March 4, 2016

Math
The percent of fat calories that a person in America consumes each day is normally distributed with a mean of about 36 and a standard deviation of about 10. Suppose that 16 individuals are randomly chosen. Is it appropriate to use the normal approximation for the sampling ...
November 20, 2015

Statistics
The percent of fat calories that a person in America consumes each day is normally distributed with a mean of 36 and a standard deviation of about 10. Suppose that 16 individuals are randomly chosen for an experiment. A) Is it appropriate to use the normal approximation for ...
November 19, 2015

accounting
December Interest on a bank loan is due on January 2nd of the following year: accrue $1,000. How do u record interest expense and interest payable on a journal ledger? Would you record interest expense on the debit side and interest payable on the credit side?
November 9, 2015

PLEASE HELP ASAP!! Algebra
1/2 x 1/2 x 1/2 x 1/2 x 1/2 =_____ Not 1/2 x 5
November 6, 2015

Math
The birth weight of full-term babies was found to follow a normal distribution with a mean of 3500grams, and standard deviation of 600grams. A) What is probability that the birth weight is less than 3000 grams. = P(X<3000) Correct? B) probability that birth weight exceeds ...
November 5, 2015

math
Each person sends out four invitations. 4X5=___number of invitations given out.
October 28, 2015

math
4x2x3=24 different outfits
October 28, 2015

Math
Two individuals, A and B, are finalist for a chess championship. They will play a sequence of games, each of which can result in a win for A, a win for B, or a draw. Outcomes of successive games are independent with P(A wins) =.3, P(B wins)= .2, P(draw)=.5. Each time a player ...
October 28, 2015

chemistry conversion
That is correct
October 28, 2015

Science
Venus is sometimes called Earth's twin because Venus and Earth are almost the same size, have about the same mass (they weigh about the same), and have a very similar composition (are made of the same material).Venus rotates backwards compared to Earth and the other planets.
October 28, 2015

Statistics
A certain type of artificial heart has four independent, critical components.Failure of any one of these components is a serious problem that will cause the artificial heart to fail. The 5 year failure rate for each component follows: component 1=.02, component 2=.05, ...
October 28, 2015

chemistry
what is the
October 21, 2015

chemistry
Please Ignore this question
October 21, 2015

chemistry
what is the pH of .001M solution of acid (pKa=3)
October 21, 2015

math
What if it was 48in high?
October 11, 2015

math
If a door measures 78in tall by 35in wide will an entertainment center measuring 60in x 48in x 48in fit through it? Im not even sure where to start!
October 11, 2015

Math
My calculator cannot compute that complicated kind of function. And plus, 500!/21 is not a part of the multiple choices.
September 20, 2015

Math
500! is divisible by 21. How many times can 21 go into 500! ? Have zero clue how to do this. Thanks in advance!
September 20, 2015

Physics
a full draw is the maximum distance that an archer can pull an arrow. Using the recurve bow shown below, a particular archer requires an average force of 130N to pull a full draw of 70.0cm. (when the arrow is relaxed in the bow, there is a distance of 30.0cm btween the arrow ...
July 26, 2015

Chemical Engineering
When a manometer is subjected to a time dependent pressure differential, the level of liquid in the legs changes with time according to the equation: (L/g)*(d^2h/dt^2)+(8uL/ygr^2)*(dh/dt)+h = dp/yg where L = length of liquid in tube, h is the height differential, dp is the ...
May 12, 2015

math
Can somebody help me solve this problem for x using the distributive property? 1/2(4x+10)=16 I got x=9
February 5, 2015

International Business: Please Check Answer
Hi, Please help me! I need to know is these is the correct answer for these questions. Thanks for your help! Some countries try to hold the value of their currency within some range against an important reference currency. This is referred to as what? a. A dirty-float system. ...
November 18, 2014

Business: Help Is Needed ASAP
Help Is Needed ASAP Hi, Please help me! I need to know is these is the correct answer for these questions. Thanks for your help! Some countries try to hold the value of their currency within some range against an important reference currency. This is referred to as what? a. A ...
November 17, 2014

S.S. To Ms.Sue
Correct answer is D. Browsing :)
October 27, 2014

Geometry
translate the following vertice (8,3) to (x-3,y-8)?
October 6, 2014

math
a 132 inch lenght of ribbon is to be cut into 3 pieces the longest piece is to be 39 inches longer than the shortest piece and the third piece is to be half the length of the longest piece find the length of each piece of ribbon
September 17, 2014

statistics
A state administered standardized reading exam is given to eighth grade students. The scores on this exam for all students statewide have a normal distribution with a mean of 507 and a standard deviation of 60. A local Junior High principal has decided to give an award to any ...
September 4, 2014

Math
the time required for one complete oscillation of a pendulum is called its period. if the length L of the pendulum is measured in feet and the period P n seconds, then the period is given by P=2¶(L/g)^1/2, where g is constant. use differentials to show the percentage ...
July 8, 2014

calculus
the time required for one complete oscillation of a pendulum is called its period. if the length L of the pendulum is measured in feet and the period P n seconds, then the period is given by P=2¶(L/g)^1/2, where g is constant. use differentials to show the percentage ...
July 8, 2014

english
I am trying to figure out details as to when groom service (short story) has taken place any help with examples would be great or even a lead? Ive read the story numerous times and I know it was before th 1940s but I cant figure out further.. I have found that the story ...
June 20, 2014

Medical ethics
What should I expect from this course. The title pretty much explains it but I would like some more detailed information please
May 4, 2014

College Chemistry
A solution is saturated in both nitrogen gas and sodium iodide at 50 degrees C . When the solution is cooled to 25 degrees C what is most likely to occur?
March 23, 2014

algebra word problem
A long distance runner starts at the beginning of a trail and runs at a rate of 5 miles per hour. One hour later, a cyclist starts at the beginning of the trail and travels at a rate of 13 miles per hour. What is the amount of time that the cyclist travels before overtaking ...
February 27, 2014

math algebra
Two trains leave the station at the same time, one heading east and the other west. The eastbound train travels at 115 miles per hour. The westbound train travels at 95 miles per hour. How long will it take for the two trains to be 504 miles apart?
February 27, 2014

History
I meant C on your answers, it was A on mine, but it is not correct!
November 28, 2013

History
A. is incorrect!!
November 28, 2013

Science (Physics)
On the moon, the acceleration due to gravity is only 1.6 m/s/s. If someone on earth can throw a baseball 24.2 m high, how high could she throw it on the moon?
November 16, 2013

Algebra
Solve using substitution method 3x+8y=20 x=24-7y
August 10, 2013

general science
how to explain how the mass of a rock could be found
July 3, 2013

Geometry
A farmer has 52 meters of fencing to make a rectangular corral. If the width is x, what is the length and area?
May 9, 2013

calculus
The height of a projectile launched into the air is given by h (t)= -16t^2 + 48t + 60, where h is the height of the projectile in feet above the ground and t is the number of seconds after its launch. Find the *instantaneous rate of change* in the height of the projectile at 1...
April 26, 2013

algebra
You are asked by the Pharmacist to add 45mEq of Ca Gluconate in an IV bag of D5% W1000ml. You have a concentrated vial of Ca Gluconate 4.4mEq/ml 50ml. How many ml of the concentrated vial needs to be added to the IV bag?
February 16, 2013

physical sciene
Two 2.2 kg physical science textbooks on a bookshelf are 0.15 m apart. What is the magnitude of the gravitational attraction between the books?
February 14, 2013

physical sciene
Neglecting air resistance, how fast is the object traveling when it strikes the gounnd at the end of 3.8s?
February 9, 2013

business law
Assume that the state of Kansas passes a law requiring all inline skates sold in Kansas to have disc brakes. Assume that there are no federal regulations covering inline skate design. Assume also, that the required disc brakes would make inline skates easier to stop and thus ...
January 29, 2013

PHYSICS HELP!
(A) w = (21rev/min) * (1min/60sec) * (2pi rad/1rev) = 2.2 rad/s (B) I = MR^2 I = (415kg)(33m)^2 I = 4.52E5 (I for one propeller) I for all three propellers = (4.52E5) * 3 = 1.36E6 (C) KE = (1/2) * Iw^2 = (1/2)(4.52E5)(2.2)^2 =1.1E6 J The book gives solutions for I and KE using...
October 31, 2012

Problem solving:for 3rd grade
Chelsea has 10 cookies for her friend Sarah they eat 8 how many are left? 10-8=2 2 cookies are left I hopes this helps
October 25, 2012

algabra
why are prime numbers beter when writing codes?
October 22, 2012

Physics
In a serious accident,a neclear plant's reactor vessal cracks,and all of the cooling water drains out.Although nuclear fission stops,readioactive decay continues to heat the reactor's 2.5 x 10^5 kg uranium core at a rate of 120 Mega-Watts.Once the core reaches its ...
July 17, 2012

physics
Doubling the frequency of a wave source doubles the speed of the waves. ( True or False)
July 5, 2012

physics
As these waves pass through their medium,is the medium carried along with them ?
July 5, 2012

physics
As the wavelength of a wave in a uniform medium increases, its speed will ?
July 5, 2012

physics
Which part of a wave relates to its energy ?
July 5, 2012

PHS
As these wave pass through their medium,is the medium carrief along with them ?
July 5, 2012

PHSC
As the wavelength of a wave in a uniform medium increases, its speed will ?
July 5, 2012

PHSC
Which part of a wave relates to its energy ?
July 5, 2012

PHSC
In a simulation on earth,an astronaut in his space suit climbs up a vertical ladder.On the moon,the same astronaut makes the same climb.In which case does the gravitational potential energy of the astronaut change by a greater amount?
June 26, 2012

PHSC
Explain the difference between the everyday use of the word "work" and the physical (physics related)use of the word "work".How is energy related to work?
June 26, 2012

PHSC
Explain how you could move an object and still do no work.
June 26, 2012

phsc
A satellite explodes in outer space, far from any other body,sending thousand of pieces in all direction.How does the linear momentum of the satellite before the explosion compare with the total linear momentum of all the pieces after the explosion ?
June 26, 2012

phsc
When you are driving a golf ball,a good follow-through helps to increase the distance of the drive. A good follow-through means that the club head is kept incontact with the ball as long as possible.Why does this technique allow you to hit the ball farther ?
June 26, 2012

phsc
You have a choice,you may get hit head-on by either an adult moving slowly on a bicycle or by a child that is moving twice as fast on a bicycle.The mass of the child is-one-half that of the adult on the bicycle.Which collision do you prefer ?
June 26, 2012

phsc
Two identical cars have the same speef one traveling east and one traveling west.Do the cars have the same momentum ?
June 26, 2012

phsc
Suppose you are playing ice hockey in the middle of a totally frictionless frozen pond.How can you move youself to the edge of the pond ?
June 24, 2012

math
what is the answer for each mile that jason runs alex runs 1/4 miles farther. if jason ran 6 miles how far did alex run?
May 27, 2012

Sociology
Can someone give me an idea to what show or movie to analyze and discuss Amercian family? Also it needs to include transitions and problems in family life, stages of family and alternative family forms. I cannot think for any show or movie off the top of my head. So any help ...
May 21, 2012

Sociology
How religious are the people of the United States? Do you think regilion is increasing or decreasing in our society?
May 20, 2012

SOCIOLOGY
What are some sacred things, persons,places, and ideas in comtemporary American society? All of these sacred elements connected with what we normally regard as religions?
May 20, 2012

4th grade math
Kamala had5,026 grams of flour in a canister. She bought a 4,157 gram bag of flour. She poured some flour from the bag to the canister. As a result, the mass of the flour in the canister is now twice the mass of the flour in the bag. How much is in the bag now?
May 14, 2012

statistics
The data set for the study is a sample of a survey conducted on the population of the American Intellectual Union (AIU). It is available via the following link: Excel 2007 DataSet with DataSet Key which contains the following nine sections of data that will be used throughout ...
May 10, 2012

statistics
The data set for the study is a sample of a survey conducted on the population of the American Intellectual Union (AIU). It is available via the following link: Excel 2007 DataSet with DataSet Key which contains the following nine sections of data that will be used throughout ...
May 10, 2012

Chemistry
A 55.81 gram irregular object made out of one of the metals in #6 raises the water level in a graduated cylinder from the 17.6 mL level to the 24.7 mL level. What is the density and identity of the metal?
March 8, 2012

Chemistry
I don't know the masses
March 8, 2012

Chemistry
Mass of weighed filter paper ? Mass of weighed filter paper plus recrystallized vanillin? Mass of recrystalized vanillin Mass impure vanillin Percent recovery Suggest how you could have improved your techniques to increase your percent recovery.
March 8, 2012

algebra
Factor out the greatest common factor in the expression? 11y^5-55y^2
February 29, 2012

algebra
2/3x-1/5y=2, 4/3x+4y=4
February 5, 2012

algebra
5x-2=y, 10x=4+2y
February 5, 2012

algebra
solve; 3x-y=-5, -2x+5y=-14
February 5, 2012

algebra
find the slope of a straight line that passes through the given pair of points (5,6) and (-3,1)
January 29, 2012

algebra
perform the indicated operation: 3/5 x 7/10
January 6, 2012

Chemistry
I have a 500mL flask, and I want to prepare 500mL of NaOH solution with a pH of 13.00. How many grams of Na OH do I need to put in the flask to arrive at this pH?
December 8, 2011

Science
the answer is SEAFLOOR SPREADING I promise
December 6, 2011

Chemistry
How many moles of hydrogen gas will be produced when the 0.03 g of magnesium reacts with excess hydrochloric acid?
December 4, 2011

chemistry
a lab experiment calls for 10% acetic acid solution. The lab has only 5% and 15% acetic solutions available. How much of each should be mixed to obtain 10 liters of a 10% solution?
December 1, 2011

chem
73
November 11, 2011

psychology
how do psycho dynamic, physiological psychology, cognitive psychology, and cortical function effect aggressive behavior? in detailed answers please. i do not need links, i need answers.
November 5, 2011

psychology
what are variable that influence memory? i do not need links i need detailed answers. this is not a linking website, its supposed to give answers.
November 5, 2011

psychology
how do psycho dynamic, physiological psychology, cognitive psychology, and cortical function effect aggressive behavior? in detailed answers please.
November 5, 2011

psychology
what are variable that influence memory
November 5, 2011

psychology
explain the decay theory
November 5, 2011

psychology
explain the gestalt principle
November 5, 2011

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