Friday
December 2, 2016

# Posts by Johanna

Total # Posts: 46

Marh
October 3, 2016

Calculus
Sketch a rough graph of the yield of a crop as a function of the amount of fertilizer used. I do not know what to do, can someone guide me?
October 3, 2016

geometry
hot dog of course
April 25, 2016

Life orientation
Critically discuss six ways that the human rights violations influence individuals, groups andthe broader south african community
April 17, 2016

math
Two horizontal forces act on a wagon, 550N forward and 300N backwards. What force is need to produce a net force of zero? 500 N 300N -----> Object <-------- -----> <-------- Fnet=F1+F2+F3 0=500N-300N im so totally lost
February 5, 2016

S.S
Thanks last lesson for social studies whooo.... I don't want to go into highschool.
May 28, 2015

science PLZ HELP
Olivia is correct.
March 31, 2015

I have this m(9.8)(sin28)+(0.387)m(9.8)(cos28)=588 My mass is 73.96kg just realized now I made an error while pressing the values on my calculator...... Thanks alot
March 2, 2015

I don't have a factor of two for g I used 9.8?
March 2, 2015

Thanks so my mass is 157.62kg? Am I correct?
March 2, 2015

Yes it is physical science
March 2, 2015

1.a car moves at a constant velocity up an inclined plane angle of 28 degrees with the horizontal.The coefficient of friction is 0.387. The force exerted by the engine on the car is 588N... A.Calculate the of the car? B. Frictional force acting on the car
March 2, 2015

science
Blank is a major component of bones and the proteins that build muscles
December 22, 2014

math
Find the measure of the interior angle in a regular polygon if the ratio of the sum of the measures of the interior angles to the sum of the measures of the exterior angels is 4
December 12, 2014

math angles
write 1 capital letter that has an acute angle and 1 that has a right angle.
April 1, 2014

literacy
what is poin of view
January 21, 2014

science help plzzz
I don't have a clue. What about you?
October 17, 2013

math
Wouldn't it be 15%?
June 13, 2013

math
The cost lunch is \$29.40, and Maya \$33.81 in all. What percent was the tip that Maya left?
June 13, 2013

math
trinity is correct
April 3, 2013

Math
If a person throws a water balloon, the height (in feet) if the water balloon is modeled by the equation: h=-16t^2-5t+100, where t is in seconds. When will the water balloon hit the ground?
December 9, 2012

math
p(less than 3 and consonant)
January 25, 2012

Public Health / Science
Thank you so much for your assistance!
January 22, 2012

Public Health / Science
Where can I find the top five health problems in Florida? I have checked the Florida Department of Health site but I am not having luck. Any help would be appreciated. Thanks.
January 22, 2012

Chemistry
NaHCO3+CH3COOH→H2CO3+NaCH3COO the mass of can changes after reaction, what would be a logical mass?
December 5, 2011

Chemistry
The solution is unsaturated. The data point is below the solubility line at 25degree C, which means the solution can dissolve more solvent.
July 24, 2011

biochemistry
given 3 fat samples and told that one of them contains cholesterol,outline the test you would use to identify which of these samples contains cholesterol.
April 27, 2011

Pre-Calc
February 8, 2011

mount
wat is 1.71 to 4.56 in its simplest form?
January 21, 2011

AP Economics
I think I am thinking too deeply into it. Is it simply (1), what to produce?
January 20, 2011

AP Economics
Which economic question does the decision to produce butter instead of guns answer? 1.What to produce? 2.How to produce? 3.For whom to produce? 4.Who has a comparative advantage in gun production? 5.Who has an absolute advantage in butter production? I am a little confused on ...
January 20, 2011

physics
is the momentum and force the same for a equal mass cars when: 1. they collide head on both at 30 m/s. 2.one collides with a brick wall at 60m/s
December 3, 2010

grammar
Write five sentences about the role of education in successful financial planning, in which you correctly use a different verb tense in each sentence.
November 8, 2010

the answer is a because 6 times 2 eaquals 12 and you times thirty and twelve together and that's how you get 300 the easy way and how you could check if you are correct you could divide three hundred by 12 and you would get your answer. another way you could do it is ...
September 13, 2010

History/115
Q: What were the negatives of the new market economy? What were the positives of the new market economy? How did the creation of a single market economy shape American values and the economy of today?
September 2, 2010

Algebra
5m -2 = 33 while i know the answer is m=7 therefor making the equation read: 5(7)-2=33 how do I show my work
December 8, 2009

Grammar and Composition
write three analogies using antonyms of your own
November 3, 2009

Characteristics of Interpersonal Communication
I am suppose to write a 1 page essay explaining 2 of the 6 characteristics of interpersonal communication an illustrate how each one is demonstrated in your communicaton style. Including at least one quotation from research
May 5, 2009

science
if an engine must do 500 joules of ork to pull a 10 kg load up to a height of 4 meters what is the efficiency of the engine
March 24, 2009

Pharmacy
I am in need of some help in being able to locate information for this assignment as it seems as though I am unable to locate the information for it. Select a culture with which you may or may not be familiar with. Trace its evolution into what is the modern-day pharmacy ...
February 19, 2009

Technology
Dr. Russ why so rude? He was just asking for help like damn.
January 9, 2009

math - fractions
Hello, I need help for my 5th grader...Solve the problem by working backward. Write the ans. in a compl. sentence. Mara followed a recipe she found on the net to make her own perfume. She started by adding jojoba oil to a small bottle. Then she added 2 1/3ozs of sandalwood oil...
September 13, 2007

chem