Thursday
October 20, 2016

# Posts by nicki

Total # Posts: 100

Algebra 2
A five gallon bucket of tar can seal 3500 square feet of blacktop. If a parking lot is 15000 square feet, how many buckets of tar must be purchased in order to seal it?
September 8, 2016

science
A bullet is moving with speed of 500m/s. Hit the target and penetrate 100mm into the target. Find the retardation of the bullet.
June 28, 2016

Very quick question biology
I'm working on a biology project where I must make a molecule of glucose. I have finished my molecule but I want something in the middle of it which is the "centrepiece ". Can anyone give me any ideas of some things glucose is found in (food) in which I could ...
February 28, 2016

Math
I'm very confused ?
February 24, 2016

Math
The circular area A in square centimetres of a healing wound is given by A(r)=πr^2 Where r =the radius in centimetres. Find the rate of change of the area with respect to the radius. My work: I'm not really sure if this is correct but I gave it a try. Dy/dx =π*2r...
February 24, 2016

Microsoft Word Powerpoint 2013
i need answers to the pen foster exam
February 24, 2016

Math
find the derivative or f'(x) F(x)= √X+h - √x /h
February 21, 2016

Math
√X+h - √x /h
February 20, 2016

english
How do the other men defer to Caesar? in act 2 scene 1
February 22, 2015

Math
A typist can type 146 words in 100 seconds. At this rate, how many minutes and seconds would it take him to type 657 words.
October 25, 2014

Math
What can you multiply an expression by to eliminate the imaginary part of the denominator? 1.) (2+4i)/3i= 2.) (1-2i)/2i=
October 8, 2014

science 2 quick questions
Oh ok I understand now:) thank u:)
September 28, 2014

science 2 quick questions
1. Describe 2 methods of viral infection 2. How can a virus be helpful to its host? I don't want sites because they don't help, please help me and explain . All my other questions r done but I'm stuck on these 2.
September 28, 2014

To ANY SCIENCE HELPER URGENT
1. Describe 2 methods of viral infection 2. How can a virus be helpful to its host? Please this is very urgent, I have finished everything else but these r my last 2 questions that I don't know! Please help! Thanks:)
September 28, 2014

To ANY SCIENCE HELPER
1. Describe 2 methods of viral infection 2. How can a virus be helpful to its host? Thanks:)
September 28, 2014

Biology
1. Describe 2 methods of viral infection 2. How can a virus be helpful to its host? Thank you:)
September 27, 2014

pol 201
Should the Supreme Court's power of judicial review be strictly limited by a constitutional amendment? In answering either question, clearly state your position (thesis) at the beginning of your post. Define important terms and explain your position fully. Consider pro and...
July 24, 2014

algebra 1
What is the meaning of the point x=-40 on the graph? Explain.
November 23, 2013

algebra 1
what are the domain and range of the part of the function that is graphed previously?
November 23, 2013

algebra 1
and I need help on this one problem This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS). would a graph model this problem situation?
November 23, 2013

algebra 1
can somebody help me please!
November 22, 2013

Science
xrays for molecules Cold virus- UV
November 22, 2013

algebra 1
please help me
November 22, 2013

algebra 1
. Marissa is a photographer. She sells framed photographs for \$100 each and greeting cards for \$5 each. The materials for each framed photograph cost \$30, and the materials for each greeting card cost \$2. Marissa can sell up to 8 framed photographs and 40 greeting cards each ...
November 22, 2013

Science
The frequency of a wave, represented by the letter f, is the number of occurrences of a repeating event per unit time. It is also referred to as temporal frequency. The SI unit of cycles per second is called hertz or Hz. Hz can be expressed as a reciprocal second (s-1 or 1/s).
November 22, 2013

algebra 1
okay thats fine can you help me with one more thing though?
November 22, 2013

algebra 1
and I need help on this one problem During the fall in the Northern Hemisphere, the amount of daylight decreases each day. On September 21st, the daylight in a certain town was changing according to the equation y=-0.05x + 12 , where x = time in days and y = hours of daylight...
November 22, 2013

algebra 1
that it doesnt represent the equation
November 22, 2013

algebra 1
Does the table that follows represent this equation? Explain/justify your answer by making references to the ordered pairs in the table. T C 0 0 3 64 6 124 9 184 12 244 For B I think no
November 22, 2013

algebra 1
thats the function sorry
November 22, 2013

algebra 1
c = 20T + 4
November 22, 2013

algebra 1
This homework question was removed due to a copyright claim submitted by the National Network of Digital Schools Management Foundation (NNDS).
November 22, 2013

Science
that exact order
November 22, 2013

Science
gamma rays x-rays ultraviolet visible ( v i b g y o r) infrared microwave radio
November 22, 2013

algerbra 2
. Explain your inequalities and explain why and are also inequalities for this system
November 5, 2013

physics
a stone whirled at the end of a rope 30cm long makes 10 comlpete revolution in 30 seconds find the angular velocity in radians per seconds
October 27, 2013

Physics
An arrow, starting from rest, leaves the bow with a speed of 28.8 m/s. If the average force exerted on the arrow by the bow was increased 2 times and the arrow was accelerated over the same distance, then with what speed would the arrow leave the bow?
September 27, 2013

Chemistry
I'm not certain, but is it possible that the answer is: 1.32 ?
March 29, 2013

statistics
the 2 k rule
February 9, 2013

chemistry
1)A solution has a [OH-] of 5.2 x 10-4. What is the [H3O+] in the solution? 2) A 0.25 M solution of a monoprotic acid, HA, has a pH of 2.54. What is Ka for this acid? The dissociation of HA is: HA + H2O <--> H3O+ + A- (Hint: write the expression for pH) 3 A solution has...
December 9, 2012

Math
Los Angeles is about 385 miles from San Francisco. How far apart would the cities be on a map with a scale of 1 in. = 25 mi? If necessary, round to the nearest hundredth.
November 21, 2012

science
How would your results have differed if you had over-titrated, i.e. added NaOH beyond the endpoint?
November 12, 2012

math
i dnt know how to do this can u8 help me
October 3, 2012

Mte 181
A Grasshopper can jump 19 times his length. If humans were proportional to grasshopper but based on height how far could a 5'9 person jump? Explain.
July 13, 2012

Mte 180
Is a rhombus regular because the sides are congruent is this statement true or false. Explain reasoning,
July 13, 2012

Met 181
Joe and Peter have 360 day membership to a tennis club. Joe will use it every other day. Peter will use it every third day. They both use the club on day one. How many days total out of 360 will at least one of them use the club. Please explain.
July 13, 2012

Mte 181
You have a heptagon with the following interior angles 125, 130, 175, 105, 165, 25. What's the measurement of the 7th angle and why?
July 12, 2012

Grammar/Morphemes
In the word ecologists, is eco the root morpheme or ology? Are the morphemes eco, log, y, ist, s or ec, ology, ist, s ? This is very confusing for me. Any explanation on how to find the root would be appreciated. It's easy to find roots on some words, but words like ...
March 19, 2012

chemistry
The answer would B
February 27, 2012

Math
7 days
February 7, 2012

Math
Some of Helen's plants need water every day, some need water every other day, and others need water every third day. If she waters them all today, how many days will it be before she waters them all again?
February 7, 2012

math
if a bag contains 6 red and 4 blue marbles and one is taken out and not put back and another is taken out is the problility that both are red
September 27, 2011

Math
THANK YOU SO MUCH !!!!!!!!
July 28, 2011

Math
Math help please? Eric, Jose, Shannon, and Jackie wanted to plant a garden. Jose’s dad said they could use a rectangular space in the backyard that was 8 m by 4 m. The friends decided they would first like to make a colorful border for the garden using small flowering ...
July 28, 2011

Physics
A flower pot is dropped out of the twentieth story window. How far does the pot drop in 3 seconds? How fast will it be moving after 7 seconds?
June 21, 2011

Marketing
Please help. How do organizational and consumer markets differ? What are the implications of both of these kinds of differences for developing marketing programs?
May 26, 2011

Good Reads? 6th and 7th grade
Please. I need a list of Non-fiction books recommended for 6th and 7th grade readers. Thank you and have a nice day. God bless! <3
May 24, 2011

Math Word Problem
Need a formula for this math problem. Help!? Relinda owns a tea shop and is creating a new mix of tea for her customers. She is using a standard black tea that sells for \$7 per pound and a special orange flavor that sells for \$11 per pound. She is planning to make a 40 pound ...
April 27, 2011

Math
if two polygons are congruent, then they are similar. What is the contrapositve of this statement?
April 25, 2011

math
A. The commutative property of multiplication. (states that order of the factors does not affect the product in multiplication). B. The associative property of addition. (states that grouping symbols, or parenthesis, does not affect the sum in addition problems).
April 25, 2011

Spanish-7th grade-Please check
Great job! I think it's all correct, however for number 4 is without the 'al': Nosotros jugamos voleibol.
April 25, 2011

Math. Please help!
thank you so much!
April 25, 2011

Math. Please help!
144/k=9 I don't understand how to do this using reciprocals, how my teacher wants me to solve the problem. Note: The fraction bar is in my paper, so it's 144 being the numerator, k being the denominator, and then =9 if that makes any sense.
April 25, 2011

Math
Suppose there are 500 pennies in a row... (math problem)? The pennies are all "heads up" Now suppose that 500 people line up and ... Person #1 turns over all the pennies Person #2 turns over every 2nd penny, starting with penny number 2 Person #3 turns over every 3rd...
April 25, 2011

PLEASE HELP! Google?
THANK YOU SOOO MUCH!
March 30, 2011

PLEASE HELP! Google?
Sorry I'm posting again. I need to find the obesity rates of the countries Romania, Russia, and Rwanda by gender. (for example ___ percent of Russian women are overweight; _____ percent of Russian men are overweight). I can't find any websites! D: Anny help would be ...
March 30, 2011

Social Studies, English
that is soo true! My teacher is just requiring me to do this, though. -_-
March 30, 2011

Life orientation
ai..guyz dnt b so naive mxm tl us....stp bin so stbon..is not lik wen u got th answer we hv t beg or wat....if u dnt wnt t tel jst save ur airtym xem nd shave ur words into ur a&?
February 21, 2011

science
What is the name of the process when carbon dioxide moves blood to the alveoli?
January 13, 2011

chem
The element X has an atomic mass of 12.80 amu. It is known to have two isotopes 12X and 13X. Which of the following is true about the relative abundancies of 12X and 13X? a) both isotopes occur with the same frequency. b)12X occurs more frequently than 13X c)12X occurs less ...
December 1, 2010

chemistry
Are amino acids other than the usual 20 amino acids found in proteins? If so, how are such amino acids produced?
October 29, 2010

biochemistry
What amino acids have no chiral atoms?
October 28, 2010

Math
Which of the following is NOT a real number? (Please explain why!) (1) -1 (I already ruled out this answers because integers can be real numbers) (2) square root of 3 (3)square root of -3 (4)0.101001000100001...
October 28, 2010

chemistry
No, because it's the valence electrons on the metals that take/release energy in the form of visible emissions, not the chloride or fluoride ions.
October 6, 2010

chemistry
What are three thermodynamic quantities that are not state functions and three that are?
October 5, 2010

Biochemistry
How do you calculate the free energy change for the acetyl phospahate hydrolysis in a solution of 2 mM acetate, 2 mM phosphate and 3 nM acetyl phosphate. The standard state free energy of hydolysis of acetyl phosphate is /\G = -42.3 kJ/mol.
October 4, 2010

chemistry
What is the net ionic equation for chlorine ion and silver nitrate reagent?
September 27, 2010

chemistry
If you mixed equal volume of .1 M HCl and .20 M Tris (pka=8.3), IS THE RESULTING SOLUTION A BUFFER SOLUTION? Why? or Why not?
September 18, 2010

biochemistry
How do you calculate the PH of a buffer solution prepared by mixing 75 mL of 1.0 M lactic acid and 25 mL of 1.0 M sodium lactate?
September 18, 2010

12th grade math
Identify the domain and range: 1.) y = x^2 / 4x^2 - 1 2.) y = -3 / (x+2)^2 + 1 3.) y = ³√-x^2
September 13, 2010

math
Two boys divide a profit of \$36 in the ratio of 5:3. How much does each boy get?
April 1, 2010

algebra 2
p^5 p^-4 z^2 divided by z^-5 zp^3 -21a^2 b^8 divided by -18a^-4 b^10 (2kr^3)^-3 divided by 4k^-2 r^6
January 6, 2010

physics
oh my gosh thank you so much this totally helped
January 6, 2010

College Algebra.
Find the equation in standard form of the hyperbola that satisfies the stated condition. Foci (0,5) and (0,-5), asymptotes y = x and y =-x
December 17, 2009

College Algebra.
Find the equation in standard form of the ellipse, given Center (-2,4),vertices (-6,4) and(2,4) foci (-5,4) and (1,4)
December 17, 2009

algebra
Given 3+i is a root, determine all other roots of f(x)=x^4-2x^3-x^2-38x-130.
December 17, 2009

Algebra
Do I have this right? A first degree polynomial crosses the x axis A second degree polynomial touches the y axis without crosisng A third degree polynomial flattens against the y axis.
November 30, 2009

Algebra
solve by elimination method; 3r-7s=13, 7r-3s=69
November 1, 2009

8th grade Math
A fish tank 24 inches long, 16 inches wide, and 12 inches high is 3/4 full of water. By how many inches will the water level rise if you should add 576 cubic inches of water?
August 24, 2009

6th grade science
what is the purpose of testing variables I am stuck, can you help me?
June 6, 2009

Chemistry
Which element has a greater electroniegativity, Al or Ge. I wasn't sure, since Al was further up, but Ge was further right. Thanks for your help.
April 17, 2009

Chemistry
I'm working on single replacement reactions. I know about flipping elements around, like Au+PtF yields AuF+Pt. However, I'm not sure how to do it when there's multiple elements like Al+AgC2H3O2. What would the answer be, and how would you decide what to flip? My ...
April 16, 2009

Chemistry
I lost the periodic table my teacher gave me, and I need to find one online that shows charges at the top in columns, as well as charges for the elements with multiple charges online. Could you lead me to any good sources? Thanks
April 16, 2009

Latin
What does the sentence victoria numerum servorum non augebit translate to? I got-the victory did not add to the many servant. This makes no sense, since many and servant do not agree. What is the correct translation? And thank you
April 15, 2009

History
I'm trying to find evidence online that the 1920's or World War I was known as the Lost Years. I remember hearing this before. Is this true? Why is it called this? Thanks for explaining this.
April 14, 2009

History
Where can I find out what percentage of American soldiers receive psycological effects after war?
April 14, 2009

PHSICS
A boxcar of mass 200 tons at rest becomes uncoupled on a 2.5 degree grade. If the track is considered to be frictionless, what speed does the boxcar have after 10 seconds?
October 19, 2008

Music
What Instruments are in a March?
April 24, 2008

ALGEBRA
Thank you so much for your help! I see where I got confused now. Thanks :o)
January 23, 2008

ALGEBRA
I HAVE TO SOLVE THE FOLLOWING PROBLEMS FOR AN ALGEBRA ASSIGNMENT DUE SUNDAY. I HAVE FIGURED OUT MOST OF THE ANSWERS BUT AM STUCK ON A FEW. IF ANYONE CAN TELL ME IF MY EXISTING ANSWERS ARE CORRECT AND POINT ME IN THE RIGHT DIRECTION/GIVE ME A HINT ON THE REST, IT WOULD BE ...
January 23, 2008

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