rene
Popular questions and responses by rene
College Algebra
The concentration C of a certain drug in a patient's bloodstream t minutes after injection is given by C(t)=50t/t^2+25. Determine the time at which the concentration is highest. Round your answer to the nearest tenth of a minute.
asked on October 22, 2012 
Trigonometry
How do I prove that sin(x+y)sin(xy)=2cosx siny
asked on April 5, 2013 
english
I think that paragraph 3 is more effective than paragraph 1 because it is structured in a better manner and has better rhythm than paragraph1. It also has better structures sentences than paragraph 1. For example in paragraph 1 sentences like, ‘My Aunt
asked on November 18, 2010 
MATH!!!
Suppose that a person with a reach of 27 inches and a shoulder height of 5 feet is standing upright on a mountainside that makes a 62 degrees angle with the horizontal..Can the person touch the mountain?
asked on March 2, 2009 
Physics
Two point charges of +1.0 uC and 2.0 uC are located 0.50 m apart. What is the minimum amount of work needed to move the charges apart to double the distance between them? (k=8.99x10^9Nm^2/C^2)
asked on February 11, 2015 
Physical science
A 3.0kg cat runs to the left at 10m/s and a 12kg dog runs to the right at 4.0m/s what is the total kinetic energy?
asked on September 13, 2014 
Calculus
Find f(x) so that it satisfies: f'(x)=1/sqrt(x) and f(4)=2. Please show steps I keep getting stuck at the anti derivative and the constant doesn't solve it so I don't know where I went wrong.
asked on April 16, 2013 
Physics
Two ice skaters, with masses of 30kg & 85 kg are at the center of a 30m diameter circular rink. The skaters push off against each other & glide to opposite edges of the rink. If the heavier skater reaches the edge in 40s, how long does the lighter skater
asked on October 19, 2010 
Math
Solve for n á = (n2) * 180 / n = 180 – 360/n
asked on December 8, 2009 
algebra
3square root 982square root 50+8square root 32
asked on September 24, 2019 
Science 
"To lift an object weighing 12,000N, how much force is needed on a piston with an area of 0.060 m^2 if the platform being lifted has an area of 3.0 m^2?"
asked on October 7, 2018 
Physics
due to conservation of mass, potential energy should always equal to kinetic energy. one possible reason the calculation for kinetic energy might be less than potential energy is _
asked on June 5, 2017 
Physics
How much time is needed to produce 840 joules of work if 100 watts of power is used?
asked on June 5, 2017 
math
A roll of ribbon contains 92 inches of ribbon. If you need strips of ribbon 4/5 inches long, how many strips could you cut from this roll?
asked on January 28, 2015 
math
You are paid $40 an hour to wash windows. If you have worked for 4 4/5 hour, how much money have you earned?
asked on January 28, 2015 
Chemistry
How to write the equation for the combustion of ethane C2H6?
asked on October 5, 2013 
calculus
Find any relative extrema and any points of inflection if they exist of f(x)=x^2+ ln x^2 showing calculus. Please show work in detail so I can follow. Thanks. The answer is no relative max or min and the points of inflection are (1,1) and (1,1) but I'm
asked on May 4, 2013 
Calculus
Find the derivative of f(x)=ln(e^(2x)/((x^24)^3) Please show detail so I can use for reference. Thanks!
asked on April 21, 2013 
Calculus
Consider the function f(x) e^x1/2x^2. Find all points of inflection if they exist. Please show sign graph and show work in detail so I can follow for future reference. Thanks.
asked on April 20, 2013 
Calculus
Consider the function f(x) = x  lnx. Find the intervals on which f(x) is increasing and the intervals where it is decreasing. Also determine any relative max or min.
asked on April 20, 2013 
Calculus
Find the anti derivative of the following: 1. u^2(1u^2+u^4)du 2. (sqrt(x)+ 3/x  2e^(x))dx The anti derivative symbol is in front of the equations. Also need help on find f(x) so that it satisfies f'(x) = 1+e^x+1/x and f(1) = 3+e. Please show steps so I
asked on April 16, 2013 
Calculus
Find f(x) so that it satisfies: f'(x)=1+e^x+1/x and f(1)=3+e. Another tutor was kind enough to give me the anti deriv as x+e^x+ln x+c and that the constant is 2. But I can't figure how to prove it or where to start so I will know for the test. Thanks.
asked on April 16, 2013 
Calculus
Find the anti derivative of u^2(1u^2+u^4)du. Need steps so I can try to grasp this. Thanks. I couldn't figure out how to write the anti deriv. symbol but it is in front on the u^2. Thanks
asked on April 16, 2013 
Calculus
Use logarithmic differentiation to find the derivative of f(x) = x^x+2 and simplify. Please show steps. Thanks.
asked on April 16, 2013 
Calculus
Find f(x) so that it satisfies: f'(x)=1+e^x+1/x and f(1) =3+e. Please show all steps so I can follow. Thanks.
asked on April 16, 2013 
Calculus
Find the antiderivative of (sqrt(x)+3/x2e^(x))dx. Need steps so I can follow. Thanks
asked on April 16, 2013 
Calculus
Find the anti derivative of (u^2(1u^2+u^4)du. Need steps so I can try to grasp this. Thanks
asked on April 16, 2013 
Calculus
Determine the equation ofthetangent line in slopeintercept form at x=1 of y^3 +2x^2=1 at x=1. Please show work so I can follow the process. Thanks!
asked on April 1, 2013 
English
Need a topic in Macbeth that relates to the Renaissance and today's society.
asked on December 5, 2012 
Physics
A certain meter stick is calibrated in millimeters (the distance between two consecutive marks is ONE mm). A student measured the longest edge of a book and found that it was greater than 364 mm and less than 365 mm, but it was CLOSER to 365 mm than 364
asked on September 14, 2012 
Business
I am looking at buying a new Camry. I think I can talk them down to $19,000. If the bank is willing to finance it for 60 months at 3.75%, what would my monthly payment be?
asked on January 31, 2012 
Business
I want to retire in 20 years. I think that I need $500,000. I have $200,000 set aside right now. If I earn 5.25%, will I have enough? How much do I need to have today in order to achieve that?
asked on January 31, 2012 
Business
I want to buy a house in 3 years. I need to have a down payment of $20,000. How much do I need to have today in order to have that if I can earn 4.5%?
asked on January 31, 2012 
statistics
Suppose we have a set of blood pressures with a mean of 110 Systolic, and a sample standard deviation of 15 points. If we assume a normal distribution of Systolic blood pressures, then between what two values can we be assured 99.7% of all Systolic blood
asked on November 28, 2011 
chemistry
mix 10ml NaBr 3.i000M wth 10ml water & 10ml AgNo3 3.3.1000M KspAgBr=5.25.1000 .what is the situation at equilibrium
asked on November 22, 2011 
science
Determine the phenotype,give the genotypes that are possible for patrick: A tall head (T) is dominant to short (t) Tall= Short=
asked on October 19, 2011 
trig
evaluate cos 12*pi
asked on October 13, 2011 
Math116
Graph the equation by plotting points 426y=0
asked on September 23, 2011 
Math
what does the output is 6 less than onehalf of the input mean?
asked on September 19, 2011 
math 116
8x 4=4x 7 simplify this is what I come up with is this correct? x = 3/4
asked on September 11, 2011 
math
what is 4x+6=42?
asked on June 2, 2011 
physics
You look into a shaving mirror and the upright image of your face is 40.0 cm away from you. The image has a magnification of 1.50. (a) How far away are you from the mirror? (b) What is the radius of curvature? all answers should be in cm. thanks.
asked on May 7, 2011 
Physics
A car accelerates from rest to 30m/s in 10s. What is the car's acceleration?
asked on January 23, 2011 
Algebra 1
3x + 6 < 21 I need help in solving this problem step by step. Can anyone help, please? thank you very much.
asked on January 4, 2011 
government
what are two ways that i as a young citizen can became active in politics?
asked on December 25, 2010 
english
this is the assignment can you tell me if i covered what was needed of the assignment? Write two paragraphs, with a total minimum word count of 350 words, explaining what your point of view will be and what you plan to accomplish in your paper. My point of
asked on December 4, 2010 
composition
• Write a paragraph of at least 200 words identifying three challenges that might arise when writing a paper.
asked on November 7, 2010 
english
Use at least five adverbs and five adjectives to write a brief review of a movie, sporting event, musical performance, or television show. • Bold each adverb. • Underline each adjective. • Compare the event to one or more similar events. When
asked on October 30, 2010 
english
Use at least five adverbs and five adjectives to write a brief review of a movie, sporting event, musical performance, or television show. • Bold each adverb. • Underline each adjective. • Compare the event to one or more similar events. When
asked on October 30, 2010 
english
Compare and contrast your abilities as an academic writer now as opposed to when you began at Axia College. Using four comparatives and four superlatives within your responses, explain what has led to these changes and what changes you will make in the
asked on October 29, 2010 
English
Write several sentences describing a recent interaction with a friend or family member about personal finance or credit cards. · Use at least five different pronouns in your sentences. Please let me know if I have done this correctly. While away at
asked on October 19, 2010 
English
• Write five sentences about the role of education in successful financial planning, in which you correctly use a different verb tense in each sentence. This is what I have can you please let me know if I have done this correctly. 1. Financial planning
asked on October 2, 2010 
calculus
A program in Senegal has been reducing infant mortality at a rate of 11.1% per year. How long will it take for infant mortality to be reduced by 33%?
asked on September 15, 2010 
calculus
A program in Senegal has been reducing infant mortality at a rate of 11.1% per year. How long will it take for infant mortality to be reduced by 33%?
asked on September 15, 2010 
SOCIOLOGY
WHAT ASPECTS OF THE SOCIAL AND WORK ENVIROMENT IN A FASTFOOD RESTAURANT WOULD BE OF PARTICULAR INTEREST TO A SOCIOLOGIST BECAUSE OF HIS OR HER SOCIOLOGICAL IMAGINATION?
asked on September 1, 2010 
Algebra
Find the LCM of (7+9u), (4981u^2), and (79u) Find the LCM of 15x^8 and 75x^8
asked on July 11, 2010 
calculus
The figure shows the region bounded by the xaxis and the graph of . Use Formulas (42) and (43)which are derived by integration by partsto find (a) the area of this region; (b) the volume obtained by revolving this region around the yaxis.
asked on May 29, 2010 
Math
Mary brought home 1/2 dozen eggs. He accidently dropped the carton on the flor and 1/3 of the eggs broke. How many eggs does she have left? Ms. Sue I still don't understand your answer, please. Thank you
asked on April 5, 2010 
Math
Mary brought home 1/2 dozen eggs. He accidently dropped the carton on the flor and 1/3 of the eggs broke. How many eggs does she have left?
asked on March 27, 2010 
sentence
can u tell me what this means. i don't under stand it, the home work sheets say they want the kids to " write one sentence about your favorite dr.seuss center "
asked on March 2, 2010 
Word Problem
A reservation clerk worked 15.3 hours one day. She spent twice as much time entering new reservations as she did verifying old ones and one and a half as much time calling to confirm reservations as verifying old ones. How much time did she spend entering
asked on January 17, 2010 
Algebra
Write an equation of the line satisfying the given conditions. Horizontal line through ( 2, 5)
asked on January 17, 2010 
Algebra
Solve for n á = (n2) * 180 / n = 180 – 360/n
asked on December 11, 2009 
Team building and conflict resolution
You are mentoring a person in another department. This person comes to you and explains that the group she is working with is arguing over procedures employed to accomplish a project. Additionally, the group members do not seem to have much respect for the
asked on June 21, 2009 
critical thinking 205
How can a person distinguish between the prejudicial and nonprejudicial use of rhetorical? Provide an example of each.
asked on April 14, 2009 
MATH!!!
Suppose that a person with a reach of 27 inches and a shoulder height of 5 feet is standing upright on a mountainside that makes a 62 degrees angle with the horizontal..Can the person touch the mountain? I said no but idk why?
asked on March 2, 2009 
Intermediate algebra
Seven times the difference of six and a twice a number yields the same result as the same number decreased by one.
asked on May 25, 2008 
Accounting
I am working on a problem that wants me to make a balance sheet and income statement for the Argo Sales Company based on some information given that I have no idea how to compute. I have been able to figure out how to do a ratio correctly if I am given the
asked on May 21, 2008 
math
what is n to the 101 power and how would you use progression to solve it?
asked on March 16, 2008 
ENGLISH VERBS
WHAT ARE THE VERBS IN THE FOLLOWING SENTENCE: THE GIRL WAS NEVER ON TIME FOR SCHOOL. There is only one verb in that sentence: was. Here is a good webpage that can help you with verbs: http://members.cox.net/lenco1/grammarpractice/verbs/verb.htm =)
asked on November 13, 2006

math
A plus 11 minus c
posted on March 5, 2020 
Physics
So, let's go. Vf^2{squared final velocity}= Vi^2{squared initial velocity}+2a{acceleration}d{distance}. Acceleration is 9.8 for gravity, good luck my dudes.
posted on January 29, 2019 
science
how do you test luster
posted on September 30, 2018 
chemistry
52
posted on April 17, 2018 
math
655.27
posted on January 28, 2018 
Health JUST NEED ANSWERS CHECKED :)
It's correct just took the test 100%
posted on December 19, 2016 
Chemistry
4g/ml
posted on November 22, 2016 
Math! Please help! Now!!!
C. 7.75
posted on October 4, 2016 
science
B C A
posted on October 4, 2016 
Math
or 20
posted on October 22, 2015 
Math
i think the answer of the 2 numbers one is 15 and One is 5 it would be 10.
posted on October 22, 2015 
Math
3.6 in simplest form
posted on September 5, 2015 
Physics
The white car leaves the stop sign to make a left turn, the van is coming straight at the White car before impact the van leaves 20ft of skid marks . How fast was the van traveling?
posted on May 24, 2014 
English 101
1. A 2. B 3. D 4. D I want to see if the answers are correct
posted on June 24, 2013 
English 101
1. A 2. B 3. D 4. D
posted on June 24, 2013 
Chemistry help please
answer, pls
posted on December 16, 2012 
College Algebra
Thank you. I looked at the table and 5 was 5 so I thought I was on the right track but just wanted to make sure. Thank you so much!
posted on October 22, 2012 
College Algebra
I thought that could be the solution. I graphed it on my calculator and I come up with a maximum of 5. Does this seem correct?
posted on October 22, 2012 
math
3.375
posted on April 14, 2012 
Algebra I
x=1,000
posted on January 14, 2012 
orientalism of muslim and arab american
UOP student here! I do not get on here to have people do my homework. I look for ideas on how to answer the questions I have not take the answers and turn them into mine.
posted on January 14, 2011 
physics
Chairs in an orbiting spacecraft are weightless. I you were on board and you were barefoot, would you stub your toe if you kicked a chair?
posted on January 3, 2011 
english
Thanks so much
posted on October 30, 2010 
english
Thanks besides that does the second half look alright with the super and comp
posted on October 30, 2010 
english
thank you
posted on October 29, 2010 
calculus
thank you!
posted on September 16, 2010 
PLZ HELP MATH
who is number 2?
posted on March 2, 2009 
Math help
oops the question was suppose to read a rocket shoots striaght up from the launch pad. Five seconds after lift off, an observer 2 miles away notes that the rocket's angle of elevation is 3.5 degrees. Four seconds after that, the angle of elevation is 41
posted on March 2, 2009 
MATH!!!
but that is what im trying to find out..why its is impossible?
posted on March 2, 2009