Monday
April 27, 2015

Posts by Lilly


Total # Posts: 555

Algebra
17. A bag contains 10 white golf balls and 6 striped golf balls. A golfer wants to add 112 golf balls to the bag. He wants the ratio of white to striped golf balls to remain the same. How many of each should he add?
November 12, 2012

algebra, HELP!
:(
November 12, 2012

algebra, HELP!
9. The sides of a rectangle are increased by a scale factor of 4. The perimeter of the smaller rectangle is 20 cm. What is the perimeter of the larger rectangle? (1 point) 320 cm 80 cm 120 cm 60 cm 10. A right triangle has an area of 13 m2. The dimensions of the triangle are ...
November 12, 2012

physics
A 10.0-g bullet is fired horizontally into a 101-g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 155 N/m. The bullet becomes embedded in the block. If the bullet-block system compresses the spring ...
November 11, 2012

ALGERBRA,PLEASE HELP!!!!!!
nvrmnd i got this c,b,a,c!
November 6, 2012

ALGERBRA,PLEASE HELP!!!!!!
PLEASE HELP! ITS DUE TODAY!
November 6, 2012

ALGERBRA,PLEASE HELP!!!!!!
Given a scale factor of 2, find the coordinates for the dilation of the line segment with endpoints (–1, 2) and (3, –3). (1 point) A) (–2, 4) and (6, 6) B) (2, 4) and (6, 6) C)(–2, 4) and (6, –6) D)(2, –1) and (–3, 3) 2. Given a scale factor ...
November 6, 2012

Math Expert Help Me
c and b, i got all of these right, good luck
October 24, 2012

French
Je m'appelle Claire LeFèvre et j'habite en Californie. Mes parents travaillent dans une industrie privée à San Diego et j'aime habiter ici. Le temps est parfait. Il fait toujours beau temps! Ici, à San Diego, je peux parler franç...
October 20, 2012

Economic
can someone give an example of a good or service that has provided additional goods or services to society?
September 29, 2012

Psychology
Given your knowledge of dualism, choose the best interpretation of presence of dualism in this excerpt from an Emily Dickinson poem: The brain is wider than the sky, For, put them side by side, The one the other will include With ease, and you beside. A.The poem suggests that ...
September 14, 2012

Psychology
Need help double checking these tricky psychology questions. I put an asterix (*)next to my answers, Thanks! Which of the following fields is the best example of psychology as a basic science? A-Educational psychology B-industrial organizational psychology *C-social psychology...
September 12, 2012

bratz wiki
from the movie bratz in 2007, the person Natallia? who plays yasmine, is she a star to? plzz help 4 report
September 11, 2012

Psychology
Just n case anyone is looking at this later on and needs the help, the answer was C. Bird watching is to basic science as environmental conservation is t applied science.
September 11, 2012

Psychology
Need help double checking these tricky psychology questions. I put an asterix (*)next to my answers, Thanks! Which of the following fields is the best example of psychology as a basic science? A-Educational psychology B-industrial organizational psychology *C-social psychology...
September 11, 2012

reading/ writing
Where will you find the thesis sentence in an introductory paragraph?
August 27, 2012

help please :)
im doing the same problem and my choices are the exact same helpp me please!!!
June 20, 2012

Physics!
A 20 kg square slab with side lengths 3.0 m rotates around an axis perpendicular to the slab. A particle of mass 0.60 kg sits on each of the corners of the square. Also, a particle of mass 0.80 kg sits at the center of each of the edges. What is the moment of inertia of the ...
June 9, 2012

MATH
yes that is what i am having trouble with. that is the question exactly and there is no t within the equation =/
May 27, 2012

MATH
Please someone get back to me! I really don't know how to do this, need as soon as possible. Please help! A rabbit population satisfies the logistic equation dy dt = 2x(10to the exponent 6)y(10to the exponent6)- y; where t is the time measured in months. The population is...
May 27, 2012

Math PLEASE HELP ASAP
sorry, its 10 to the exponent -7 then y and then (10 to the exponent 6 take y)
May 26, 2012

Math PLEASE HELP ASAP
I really don't know how to do this, need as soon as possible. Please help! A rabbit population satis es the logistic equation dy dt = 2x10^-7y(10^6- y); where t is the time measured in months. The population is suddenly reduced to 40% of its steady state size by ...
May 26, 2012

MATH
I really don't know how to do this, need as soon as possible. Please help! A rabbit population satis es the logistic equation dy dt = 2x10^-7y(10^6- y); where t is the time measured in months. The population is suddenly reduced to 40% of its steady state size by ...
May 25, 2012

physics mc question!!!!HELP
Question # 1 : It a particle increases its speed by a factor of 2, what happens to the kinetic energy? a)doubles b)cuts in half c)increases by a factor of 4 d)depends on whether or not work is done on the particle Question # 2: An object falling near the surface of the Earth a...
May 22, 2012

Chemistry
Now if your lab partner determined that there were 5.001 x 1022 atoms of K in an unknown sample of KMnO4, how many milligrams would the unknown sample weigh?
May 19, 2012

Chemistry
How many moles of K atoms are there in 152.8247 grams of KMnO4?
May 19, 2012

physics- MC QUESTIONS
Q 1: which of the following conditions occur when an object is in static equilibrium ? (can be more than one option) a. net force on the object is zero b. net torque on the object is zero c. acceleration of the object is zero d. velocity of the object is zero Q2: Student A ...
May 9, 2012

AP Literature-Macbeth
How does the banquet scene blur the clear-cut and common-sense distinction that most of us make between the real and imaginary? In what other scenes has this distinction been blurred?
April 24, 2012

Math
you have 12 blueberry muffins for $7.20 , 8 chocolatechip for $4.40, and 6 raisin for $4.50 What type of muffin cost the Least?
April 15, 2012

math
X2+11x=-24
March 27, 2012

Physics
A 0.31-kg stone is held 1.2 m above the top edge of a water well and then dropped into it. The well has a depth of 5.6 m. (a) Taking y = 0 at the top edge of the well, what is the gravitational potential energy of the stone–Earth system before the stone is released? (b) ...
March 19, 2012

Physics
Two blocks are connected by a light string that passes over a frictionless pulley as in the figure below. The system is released from rest while m2 is on the floor and m1 is a distance h above the floor. (a) Assuming m1 > m2, find an expression for the speed of m1 just as ...
March 19, 2012

Physics
Im still confused. Ive tried solving for k a couple of different ways and the website tells me that I am wrong. My answers have ranged from .0286 to 791.1 N/m. Ive tried converting 1.55 cm to m, and it still says that I am wrong.
March 5, 2012

Physics
Two blocks, each with a mass = 0.168 kg, can slide without friction on a horizontal surface. Initially, block 1 is in motion with a speed = 1.28 m/s; block 2 is at rest. When block 1 collides with block 2, a spring bumper on block 1 is compressed. Maximum compression of the ...
March 5, 2012

Microeconomics
Consider the markets for pizza and fried chicken. Show graphically and explain the impact you would expect if technological change leads to the development of a pizza oven that is both much cheaper and uses less energy than current ovens.
February 22, 2012

Physics help.
The 78.0 kg climber is supported in the "chimney" by the friction forces exerted on his shoes and back. The static coefficients of friction between his shoes and the wall, and between his back and the wall, are 0.840 and 0.630, respectively. What is the minimum ...
February 21, 2012

Physics
At the bow of a ship on a stormy sea, a crewman conducts an experiment by standing on a bathroom scale. In calm waters, the scale reads 172 lb. During the storm, the crewman finds a maximum reading of 215 lb and a minimum reading of 131 lb. Calculate the maximum upward and ...
February 21, 2012

Math
The point L(a,b)in quadrant 1, is rotated 90 degrees about the origin and then reflected across the y-axis. What are the coordinates of the image of L?
February 2, 2012

Math
I need help with the riddle in pizzaz, "what should you say when you meet an angel?" Anyone know?
February 2, 2012

12th Grade Health Class
My butt is itchy, how can I scratch it?
January 16, 2012

Math
when 6 is increased by the number of 12 the result is 102 what is the number?
January 15, 2012

Math
40 percent of what number is 782?
January 15, 2012

Psychology
How does hindsight bias relate to a presidential election?
January 2, 2012

calc- please help im so confused
The top half of a storage tank is a circular cylinder that is 5 meters tall and has a diameter 2 meters. The bottom half of the tank is shaped like an 8-meter inverted cone (pointed down). Let h represent the depth of the tank's contents. At t = 0 minutes, a release valve ...
January 1, 2012

calc- please help im so confused
differentiation & related rates
January 1, 2012

calc- please help im so confused
The top half of a storage tank is a circular cylinder that is 5 meters tall and has a diameter 2 meters. The bottom half of the tank is shaped like an 8-meter inverted cone (pointed down). Let h represent the depth of the tank's contents. At t = 0 minutes, a release valve ...
January 1, 2012

Question
honors
January 1, 2012

Social Studies
Name all the brands of chewing gum.Also is ? a gum brand, too?
January 1, 2012

social studies
what purification progress bears Louis Pasteur's name?
January 1, 2012

stuff
well i was just knowing if it was okay
December 29, 2011

stuff
can it be also servered as lunch or breakfast
December 29, 2011

stuff
what time of day do you eat mac and cheese.suggestions here
December 29, 2011

Algebra 2
Evaluate with nth Roots. For mammals, the lung volume V ( in milliliters) can be modeled by V=170m^4/5 where m is the body mass ( in kilograms)/ Find the lung volume of each mammal. Mongoose - Body Mass(kg) = 1.14 Camel - Body Mass (kg) = 229
December 14, 2011

Music
What are the musical elements used in last goodbye by jeff buckley
December 12, 2011

ALgebra
(1) GCF= 1 (2) GCF= x^2 I'm pretty sure for the 2nd problem it's x^2 but I don't know about 1 x;
December 7, 2011

algebra
Jesus is bad
December 6, 2011

Math
What are the x-intercept of the graph of 35x^2-20=60x
November 14, 2011

Math
Can you help me check if I'm doing this correctly or not? I'm solving this quadratic equation by us ing the quadratic equation. -9v^2+35v-30=1-v -9v^2+36v-29=0 -36 ± √36^2-4(-9)(29) divided by 2(-9) -35 ± √1296 + 1044 divided by -18 -36 &...
November 14, 2011

Math
Solve the equation by factoring, by finding square roots, or by using the quadratic formula. 3(x+4)^2= -27
November 14, 2011

Help- Physics
How much work did the movers do (horizontally) pushing a 130kg crate 10.1 m across a rough floor without acceleration, if the effective coefficient of friction was 0.50?
November 11, 2011

World Geography
What current events have gone on in Switzerland since September? I only need one and it only has to be vague.
November 10, 2011

World Geography
What websites will have information on Switerland Attractinos? I need to find 4 Attractions. A Religious, Cultural, Physical(Natural), and a Historical one.
November 10, 2011

ELA
No I mean the v/cv pattern
November 7, 2011

Geometry
9d-d/5=88 c/2+11c=92 How do i solve for the variables d and c?
November 7, 2011

Spanish
ok you don't have to put A in front of everything or at least that is what i was taught as for the other words i'm not entirly sure.
November 7, 2011

geometry
the 2 triangles are congruent by the angle, angle, side theorem or aas. I am pretty positive that's the answer but you might want to double check just to make sure. Hope i could help you out :)
November 6, 2011

Math-System of Equations
1. Solve for x, y, z in the following system: 2x-3y-2=z y-x+z=1 -y-2z=7 The answers are: x=-7 y=-5 and z=-1 however I don't know how to go about this.
November 3, 2011

Physics
What is the acceleration experienced by the tip of the 1.5 cm-long sweep second hand on your wrist watch?
October 23, 2011

Physics
A bucket of mass 2.20 kg is whirled in a vertical circle of radius 1.40 m. At the lowest point of its motion the tension in the rope supporting the bucket is 30.0 N. Find the speed of the bucket. How fast must the bucket move at the top of the circle so that the rope does not ...
October 23, 2011

history
Who are green party political supporter?
October 16, 2011

Geometry
Sinve b is midpoint of ac then ab and ac are the same length. So, 6x+7 = 18x-4. Hope this helps.
October 16, 2011

Math
On July 5th six different people reported to the police that they had seen Bigfoot, the large hairy creature sometimes seen but never captured. The next day, twice as many people called the police; sure they had seen the creature. Each day the police received twice as many ...
October 2, 2011

statistics
false
September 27, 2011

Calc
find F''(pi/3) f(x)= 4cos(x/2) i got -cos(pi/6) but i don't think that's the correct answer... Thanks!
September 11, 2011

math
What is the differnece in meaning between the notstions of a line over QR and not a line over QR?
September 7, 2011

math
What is the differnece in meaning between the notstions of a line over QR and not a line over QR?
September 7, 2011

chemistry
what does 9.54e-7+7.25e-4 equal?
September 1, 2011

Chemistry
Estimate the value of the equilibrium constant for the dissolution of LiF(s) in a strong acid
July 5, 2011

Chemistry
To 0.360 L of 0.140 M NH3 is added 0.150 L of 0.100 M MgOH2. How many grams of (NH4)2SO4 should be present to prevent precipitation of Mg(OH)2 (s)? THANK YOU!!!
June 23, 2011

Chemistry
Find the [OH-] of .196 M NaOH and .262 M NH4Cl
June 21, 2011

Chem
So do you add the 6.6E-3 and 1E-2 together as the value for Ba^2+?
June 21, 2011

Chem
6.6×10−3 M Ba(OH)2 and 1.00×10−2 M BaCl2 what is [OH-] of solution?
June 21, 2011

chemistry
Molybdenum (Mo) has a density of 10.22 g/cm3 and it crystalizes into a fcc unit cell, calculate the radius of a (Mo) atom?
June 7, 2011

world issuse
LUGGAGE
May 24, 2011

Chemistry
the concentration of HCl, a strong acid is 0.500 M. if 20.0 ml HCl is needed to titrate 40.0 ml of NaOH, what is the concentration of NaOH I don't understand how to do this. Can I see a step by step way of how to do this please
May 23, 2011

Math
Order of operstions
May 10, 2011

Math
-6 5/6 + 2 1/3
May 9, 2011

chem
What is being oxidized in each of the following reactions? (a) Sr(s) + F2(g) SrF2(s) F2 SrF2 Sr .(b) H2(g) + I2(g) 2 HI(g) H2 HI I2 .(c) 2 Li(s) + Pb2+(aq) 2 Li+(aq) + Pb(s) Pb2+ Li+ Pb Li thanks:) can you give an explanation. I know a is Sr but I don't get why. If it ...
May 3, 2011

chemistry
what solution of sugar in water has the highest molarity?
April 28, 2011

chemistry
what is the molarity of a solution containing 23g of NaCl in 500 mL of solution? (the molecular mass of NaCl is 58.44.)
April 28, 2011

chemistry
if you have 2 mol of glucose in 4L of solution, what is the molarity of the solution?
April 28, 2011

chemistry
if you have 100 ml each of 1.0 m solutions of NaCl,KCl, and CaCl2 which solution would have the largest mass? explain..
April 28, 2011

LIfe orientation
i think many communities will encounter due to substance of abuse
April 26, 2011

Accounting
If Grant House Furnishing accepted a ten month 8% interest rate, $3000 note from one of its customers on april 1, 2008. How much interest will Grant House Furnishing accrue for the month of April?
March 29, 2011

Chem
Thanks
March 22, 2011

Chem
An ethylene glycol solution contains 20.9 g of ethylene glycol (C2H6O2) in 85.0 mL of water. Compute the freezing point and boiling point of the solution. (Assume a density of 1.00 g/mL for water.) freezing point °C boiling point °C How would I set this up? thanks
March 22, 2011

english
what is the tone and diction in the poem Tableau by countee cullen
February 17, 2011

Math
In how many ways can two dice be rolled to yield a sum divisible by 3?
February 15, 2011

history
How is the New Deal a conservative defense of capitalism?
February 15, 2011

history
"Rather than a radical departure from capitalism, the New Deal was a conservative defense of capitalism." Assess the validity of this statement.
February 14, 2011

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