Momo
Most popular questions and responses by Momo
math
Rental cost for offices spaces have been going up at 6.2% per year compounded annually for the past 5 years. If office space rent is now $32 per square foot per month, what were the rental rates 5 years ago
asked on February 26, 2012 
Chemistry
A piece of metal of mass 20.0g @ 100°C is placed in a calorimeter containing 50.7g of water at 22.0°C. The final temperature of the mixture is 25.7°C. What is the specific heat capacity of the metal? Assume that no energy leaves to the surroundings. Not
asked on October 4, 2009 
social studies
What are the causes and effects of the Glorious Revolution?
asked on May 14, 2012 
Chemistry
What volume of 18N H2SO4 is required to prepare 125 ml of 6.0 N H2SO4?
asked on November 11, 2015 
Math
One solution of 12x^323x^23x+2=0 is 2. Find all other solutions. I tried rearranging the equation to factor by grouping, but that 23x^2 is bothersome and I can't get the right answers (I know the answers are 2, 1/4, and 1/3). Help? Thank you!
asked on February 3, 2010 
Chemistry
Pb(s) + KNO3(aq) > No reaction HNO3(aq) + Sr(OH)2(aq) > H2O + Sr(NO3)2 NO3 being Nitrate, and (OH)2 meaning 2 Oxygen and 2 Hydrogen atoms in the second problem. The second two in the products of the second problem is a subscript for NO3. Are these
asked on January 31, 2009 
math
Senate Committee The U.S. Senate Select Committee on Ethics has six members. Each member is equally likely to services in any of the positions. What is the probability of randomly selecting the chairman and vice chairman?
asked on October 6, 2018 
Finance
The venture capital fund Techno Fund II made a $4 million investment in Optical Fibers Corporation five years ago and in return received 1 million shares representing 20 percent of Optical Fibers’ equity. Optical Fibers is now planning an initial public
asked on March 14, 2011 
Calculus
Find the limits: lim {[1/(2+x)](1/2)}/x as x>0 lim (e^x)cos x as x>infinity ...First off, I'm having trouble getting rid of complex fractions. I tried multiplying the whole numerator by [(2+x)/2], but you'd still get 0/undefined answer (the answer in
asked on February 14, 2010 
Math  AMC 10/12
What kind of calculator do you need for the AMC 10/12? I have a TI89, is that okay? Thanks!
asked on February 24, 2009 
Geometry
A triangle has vertices (3, 0) and (6, 4). One of its angles is bisected by the x axis. Find the perimeter of the triangle.
asked on May 18, 2016 
Geography
How do the people use the land in New Orleans Louisiana??? ( farming herding mining industry)?
asked on September 16, 2013 
Math
How do I create a quadratic equation that passes through the points (1,2),(1,7),(4,5)?
asked on November 21, 2011 
Math
solve for x without using a calculator: log5(3^x) = log25(9^(12x)) I don't know how to get rid of the logs for this one. Help? Thank you!
asked on November 15, 2009 
Chemistry
1. Al + Pb(NO3)2 > Al(NO3)3 + Pb 2. FeS + O2 > Fe2O3 + SO2 3. C3H8 + O2 > CO2 + H2O I need some help balancing these equations. Thank you very much!
asked on February 17, 2009 
Chemistry (repost)
Pb(s) + KNO3(aq) > No reaction HNO3(aq) + Sr(OH)2(aq) > H2O + Sr(NO3)2 NO3 being Nitrate, and (OH)2 meaning 2 Oxygen and 2 Hydrogen atoms in the second problem. The second two in the products of the second problem is a subscript for NO3. Are these
asked on January 31, 2009 
World History
Where can I find some information about Indian Ocean trade around 650 CE? Thank you :)
asked on November 12, 2008 
Spanish
How do you conjugate "sugerir" in present tense? Thank you!
asked on September 23, 2008 
chem 102
Fluorination of acetone, C3H6O (substitution of fluorine for H) produces a gaseous compound with the formula C3H6?xFxO. To identify this compound its molar mass was determined by measuring the gas density. The following data were obtained: Mass of gas,
asked on January 21, 2017 
Chemistry
How many grams of Calcium Nitride can be produced using the calcium contained in 100 ml of a 4 Molar beryllium solution?
asked on April 15, 2012 
Physics
At an air show, a jet plane has velocity components vx = 695 km/h and vy = 440 km/h at time 4.85s and vx= 933km/h and vy = 465 km/h at time 7.12 s. For this time interval, find (a) the x and y components of the plane’s average acceleration and (b) the
asked on January 21, 2012 
Math
Graph the solution: 3xy7=0 This is my thought process in this: The first equation I can solve for y since we don't have to worry what x is. And I get y>3x7. The second one, however, y is being multiplied by 5, so I can't just divide by 5 on both sides
asked on February 6, 2010 
Math
Solve this equation algebraically: (1sin x)/cos x = cos x/(1+sin x)  I know the answer is an identity, and when graphed, it looks like cot x. I just don't know how to get there. I tried multiplying each side by its conjugate, but I still feel stuck.
asked on October 18, 2009 
Physics
A person is driving on a level road and see's a sign 180m ahead in the middle of the road. The person strikes the sign at a speed of 60km/h. If the person was travelling at 90km/h when the sign was first spotted what was the students perceptionreaction
asked on April 29, 2016 
phy 111
two forces act on a point object as follows:100N at 170 and 100n at 50
asked on October 14, 2013 
Physics
A speeder passes a parked police car at a constant speed of 23.9 m/s. At that instant, the police car starts from rest with a uniform acceleration of 2.21 m/s 2 . How much time passes before the speeder is overtaken by the police car? Answer in units of s
asked on September 4, 2012 
com/156
how effectively does the essay persuaded you. Universal Health Care Coverage for the U.S. The United States is the only modernized Western nation that does not offer publically funded health care to all its citizens; the costs of health care for the
asked on July 28, 2011 
Math
Solve for the indicated variable: A = 2(pi)r^2 + 2(pi)rh, for positive r (and by pi i mean 3.14...) This is what I have so far: A = 2pi(r^2+rh) A/2pi=r^2 + rh ? Thanks!
asked on January 30, 2010 
Math
Consider the function y=sqrt(1+cos2x)/2 (everything is under the square root) a. Can x take on any real value? b. How large can cos 2x become? How small? c. How large can 1+cos2x/2 become? How small? d. What are the domain and range of the original
asked on August 12, 2009 
Math
3^2x  11(3^x) + 30 = 0 ; solve for x. I know that you can substitute 3^x with another variable like y to make it easier, so it looks like this: y^2  11y + 30 = 0 ...unless I did something wrong there. Help please? Thanks!
asked on March 21, 2009 
Math
Find an equation of the parabola with vertex at the origin that passes through the point (36, 2) and opens to the left. I believe you start with (xh)^2 = 4p(yk) and plug in the given point and (0,0), and solve for p. I got y^2 = 144x. Is this correct?
asked on January 2, 2009 
Math  Algebra
Solve the inequality. n1/3n < n4/3n4 (it's actually less than or equal to) My first instinct is to multiply 3n, but that'll just give me squares and makes it harder to solve. I also thought about getting a common denominator, but I'm not sure. Thank
asked on December 29, 2008 
Chemistry
In the Periodic Table, why does Group 2 and 17 bond together so easily? ~thanks
asked on November 22, 2008 
physics
two people kick a ball. one of them kicks it with a force of 215.0 newtons. the other one with 189.0 newtons. their approach creates a 210.0 degree angle at the point of impact and causes the ball to go in a different direction. what is the resultant of
asked on February 14, 2016 
Math
Margaret's favorite apples cost $3.50 Margaret bought 2.6 pounds of apples how much did Margaret spend
asked on November 2, 2015 
physics
A 25.0g mass is tied at the end of a 1.50m long string and is whirled in a horizontal circle. If the string makes an angle of 30.0o with the vertical, what is the frequency of revolution of the mass?
asked on September 20, 2014 
phy 111
two forces act on a point object as follows:100N at 170 and 100n at 50
asked on October 14, 2013 
math
Flight Path. In this problem you will use a cosine function to model the flight path of a plane that begins its descent from 20000 ft when it is 45 miles from the airport. Find the !@#$%^&tion p(x)= ACos(wx)+B that that gives the altitude in ft when the
asked on April 3, 2013 
Calculus (repost)
Find the limit: lim {[1/(2+x)](1/2)}/x as x>0 How do you remove the complex fraction??? (or just complex fractions in general, I have trouble with them...) Thank you!
asked on February 15, 2010 
Math
Solve for the indicated variable: (x/a)+(y/b)+(z/c) = 1, for c This is what I have so far: z/c = 1(x/a)(y/b) z/c = 1[(xbay)/ab] z/c=(ab/ab)[(xbay)/ab] z/c=(abxbay)/ab ...I'm not sure if it's right so far, and if it is, i don't know where to go
asked on January 30, 2010 
Math
What is the greatest common factor for 28 and 24?
asked on October 29, 2009 
Math
Write a set of parametric equations in Quadrants I and IV for a semicircle with a radius of 10. I'm kind of new at parametrics, so this is what was given to me: (xh)^2 + (yk)^2 = r^2 x^2 + y^2 = r^2 r = 10, y = rsint, x=rcost So, 10cost + 10sint = 100
asked on April 22, 2009 
History
Where can I find some information on the American military's POV on dropping the bomb on Japan during WWII? Thanks!
asked on March 31, 2009 
biology
what is the definition, positives, negatives, and ethical issues of genatically modify organisims? thank you, but i prefere if you provide me with exact answers limited in one page rather than a general website Do not repeat your posts. Repeating the posts
asked on November 24, 2006 
biology
what is the definition, positives, negatives, and ethical issues of genatically modify organisims? http://www.chatpress.com/gen_one.html
asked on November 24, 2006 
environmental technology manegement
what is the definition, positives, negatives, and ethical issues of genatically modify organisims? Since this is not my area of expertise, I searched Google under the key words "genetic modification advantage" to get these possible sources:
asked on November 24, 2006 
Science
1969?????/
asked on January 27, 2018 
Biology
How would u expect the number of mitochondria in a cell to be related to the amount of active transport it carries out? Please help!
asked on November 8, 2013 
math
a store owner buys supplies from a vendor for $8,450. The terms of the sale are 2/10, n/30. What will be the net amount due if the owner pays by the 10th day after he receives the supplies
asked on November 8, 2012 
spanish
deportes en mi escuela
asked on February 17, 2012 
math
Hints to solve following nonlinear equation please? y=4.9x^2+20x+10 9.8x+y=20
asked on November 21, 2011 
social studies
Why is there civil unrest in Egypt?
asked on February 3, 2011 
social studies
how might a change in climate bring about a change in the personality of a region?
asked on October 24, 2010 
Calculus
Find the derivative of the given function at the indicated point. (use f'(a)=lim [f(a+h)f(a)]/h as h approaches 0) This is what I have so far: [1/(x+h)  1/2]/h = [2  (x+h)]/(h(x+h)(2)) = [2xh]/(h(x+h)(2)) ...and now I'm stuck. Help? Thx
asked on February 23, 2010 
Math
Solve for x: 2sin^2x = 3sinx + 2 on pi < x < 4pi (the "
asked on December 5, 2009 
Math
Evaluate sec(cos^1(3/5) I'm pretty sure the answer is 5/3, but I'm a little thrown off by the cos^1. What exactly does it mean? Thanks!
asked on August 13, 2009 
Math
Express the vector as a combination of the standard unit vectors i and j. v = AB where A = (10,11) and B = (11,8) I want to make sure I did this right: = So it's 21i + 19j? Thank you!
asked on April 25, 2009 
ecology
what is a stamen
asked on January 20, 2009

Algebra 1
Connections academy A D B D C
posted on March 14, 2019 
Socials Studies
gh,nrtynklrej4tjti6eahriysro
posted on February 26, 2019 
social studies  history
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posted on February 26, 2019 
Math
erdufghdskdfskugvsjdiughdylutglsjdfjgafdg4re6t456843q4[0o i'3q 4][6 3q] l'ki 9u6te9u3w\ ]4e \5[][43960uoiruty;royu rt
posted on February 26, 2019 
the colony of Vancouver Island to 1858
yeppppp
posted on February 26, 2019 
Art
yep its 100% i got em all right thanks lance. It is james.
posted on September 13, 2018 
chem 102
Hello, I am Momo from the future and im here to tell you that........I have no idea what you're talking about. sorry
posted on January 27, 2018 
Science
sorry that was a qlitch and eariler it said " posted 1969 " so yeh sorry Arora
posted on January 27, 2018 
Punctuation within Sentences—Parentheses
l this was when I was born
posted on January 27, 2018 
Language Arts 7 questions please help me thank you
Anonymous she had her answers she just wanted to check it. she didnt ask for asnwers.
posted on January 17, 2018 
math(help)
1/2}??
posted on December 8, 2017 
art
Kpop is right, and so is their username lmao kpop is lit
posted on May 22, 2017 
Math help
1.A 2.B 3.A 4.D 100%
posted on January 18, 2017 
Physics
the answer is just the actual speeds, no math needed. so v, ii, iii, i, iv
posted on September 12, 2016 
Life orientation
Eno guess,yengwe le yengwe keyona
posted on May 2, 2016 
physics
81,946  90,300*cos(30degrees) = 61^2 N 3,743.9 = 61^2 N 3,743.9 = 3,721 N 1.006 = N was i suppose to solve it out like that?
posted on February 14, 2016 
english
You "teachers" just keep on don't you :']
posted on January 26, 2016 
English
I am really tired of seeing these "teachers" commenting on questions like these saying that it's cheating or that people aren't going to do their work for them because the teachers at Connections have never once helped me. They always take days and
posted on January 12, 2016 
english 9
Cant No One Help Me.?
posted on November 13, 2015 
Geometry
19.6 units
posted on September 15, 2015 
History
1.D 2.C 3.B 4.C 4/4 100%
posted on June 3, 2015 
Geography
Thank u very much
posted on September 16, 2013 
Chemistry
determine the specific heat capacity of a sample of zinc that weighs 187.2 grams if its temperature is changed from 22.0C to 35.0C when it absorbs 949 J of heat.
posted on May 10, 2012 
Physics
ax i got 104.8 but its wrong and i rounded it to 105
posted on January 21, 2012 
Math
12 is the answer
posted on November 9, 2011 
com/156
how effectively does the essay persuaded you. Universal Health Care Coverage for the U.S. The United States is the only modernized Western nation that does not offer publically funded health care to all its citizens; the costs of health care for the
posted on July 28, 2011 
Calculus
um...I think I solved the problem. i forgot to substitute a=2 for the first part of the function. that way when you simplify it then you get 1/4. oh dear.
posted on February 23, 2010 
Calculus
oh wow. forgot the problem. the function is f(x) = 1/x, a=2 sorry haha
posted on February 23, 2010 
Math
Ok, I worked it out, and so far i have this: cos^2x  cos x  sinxcosx / cosx + sinxcosx Now I just need some help with reducing?
posted on October 18, 2009 
science
properties of sulphur?
posted on November 7, 2007