Friday
December 9, 2016

# Posts by Lacey

Total # Posts: 136

Algebra
X^2+y^2+6y+3=0 x^2+y^2-9x-6=0 List the solutions: Please and thank you!
November 17, 2016

Algebra
An engineer designs a satellite dish with a parabolic cross section. The dish is 10 ft wide at the? opening, and the focus is placed 8 ft from the vertex. ?a) Position a coordinate system with the origin at the vertex and the? x-axis on the? parabola's axis of symmetry and...
November 16, 2016

Algebra
Following the birth of a? child, a parent wants to make an initial investment P 0 that will grow to ?$70,000 for the? child's education at age 19. Interest is compounded continuously at 6?%. What should the initial investment? be? Such an amount is called the present value... November 16, 2016 Social Studies HI, so these are questions from a test that I already took and I got these three wrong. But there letting me re do it so can someone explain to me or give me a link or something? Select a new deal program that helped improve the lives of south Carolinians. Explain what the ... May 11, 2016 Math What is the sum of 3/4 over 8 plus 1/3 over 4 September 24, 2015 s.s 1.A 2.D 3.B 4.A 5.B 6.C 7.D 8.C 9.C 10.C April 30, 2015 spanish So what was the answer? March 14, 2015 Religion State the Argument from Religious Experience, does God really exists? *Explain the argument's strengths * Explain (two) of the argument's weaknesses *Explain which attributes of God are supported by the argument. For example, "Is the God proven to exist actually a... February 28, 2015 Science I took the test yesterday and the one with the images is right even though I can't see them here February 11, 2015 Science I really don't know im not smart November 10, 2014 Science help ASAP Melissa you helped me so much I just took my thing on connections academy and it made it so easy May 5, 2014 Science. is it c or b February 4, 2014 english 11 In which sentence is the underlined phrase a prepositional phrase functioning as an adjective? My sister was born in Chicago. She went to boarding school in Coventry. My sister moved away in 2009. Her grades gave my sister a place in the top rank of her class. 7. Read the ... January 7, 2014 english 11 In which sentence is the underlined phrase a prepositional phrase functioning as an adjective? My sister was born in Chicago. She went to boarding school in Coventry. My sister moved away in 2009. Her grades gave my sister a place in the top rank of her class. 7. Read the ... January 7, 2014 chemistry what is a catalyst October 3, 2013 Science I DON'T KNOW THE ANSWERS FOR YOUR PEOPLE ANSWERERS AND BAD ENOUGH I DON'T EVEN KNOW ANSWERS FOR MINE SOORY.. WISH I COULD HELP YOU.SADNEST STINKS. BUT HAPPINESS IS AWESOMENESS$$!!!!!!! August 31, 2013 physics What is the kinetic energy of each electron in a beam of electrons if the beam produces a diffraction pattern of a crystal which is similar to that of a beam of 1.00 eV neutrons? Note: The electron mass is 9.11 × 10–31kg; and the neutron mass is 1.67 × 10–... July 12, 2013 math convert 2.37 with a reoccurring 37 into a decimal May 20, 2013 Ap chemistry What is the approximate molar fraction of ethanol c2h5oh in an aqueous solution in which the ethanol concentration is 11.0 molal? A. 0.0011 B. 0.011 C. 0.170 D. 0.200 E. 0.600 May 8, 2013 7th grade math sorry i havent learned this March 18, 2013 Physics a 60 kg boy on a sled reaches the bottom of a hill traveling at 8 m/s, if he comes to a stop at 20 m along this flat stretch of snow what is the coefficient of kinetic friction between the sled and the ground? (hint: find the acceleration first) January 27, 2013 Physics A glass is slid across a bar top and eventually comes to rest. if the coefficient of friction between the glass and bar top is .32 what is the acceleration it experiences? January 27, 2013 Physics What force of friction would be felt between a 5 kg sled and the ground if a 20 N force is needed to cause it to accelerate at a rate of 1.3 m/s squared? January 27, 2013 ENGLISH II HELP PLEASE!! glittering genetics October 30, 2012 Physics A volleyball player serves the ball horizontally with a speed of 23.8 m/s. How far will it have dropped when it reaches a distance 9.1 m October 4, 2012 AP Chemistry If a metal ore contains 21.4% pure metal, how many pounds of pure metal can be obtained from 59 pounds of metal ore? Answer in units of pounds September 19, 2012 AP Chemistry I got 100.276. Do i divide that by 172? September 19, 2012 AP Chemistry 14 carat gold has a purity of 58.3%. How many moles of gold are in 172 grams of 14 carat gold? Answer in units of moles September 19, 2012 AP Chemistry For the reaction ? N2H4+? O2 →? N2+? H2O , what is the maximum amount of N2 (28.0134 g/mol) which could be formed from 14.75 g of N2H4 (32.0452 g/mol) and 4.31 g of O2 (31.9988 g/mol)? Answer in units of g September 19, 2012 AP Chemistry When 0.055 moles of lead(II) nitrate are dissolved in enough water to make 803 mililiters of solution, what is the molar concentration of nitrate ions? Answer in units of M. September 19, 2012 MATH I don't know but i need help with the same question!!!....... A company sells cardboard that is 9 1/8 mm thick. Write an equation to solve for the number of sheets of cardboard, c, in a pile that is 255 1/2 mm thick. What must be done to both sides to solve the equation? May 24, 2012 English A B B A May 13, 2012 Chem 2 Lab Calculate the volume of a 0.150 M NaOH solution that will be required to neutralize all of the H+ ions in 0.400 grams of phosphoric acid? April 25, 2012 Biology Both, because of the reduction of nitrate to nitrogen gas makes it biological and chemical. April 25, 2012 Science On the second question kidneys secrete H+ ions when the pH becomes too low in the blood so the blood won't become too alkaline. April 25, 2012 Chemistry Consider the reaction CH4+ 2Cl2=CCl4. If .33 moles of CH4 is reacted with 1 mole of Cl2, how much CCl4 is produced? April 12, 2012 chemistry but how do i balcane the charges? i don't understand what to do with them. i know i am supposed to bring them down, but down where? March 1, 2012 chemistry How do you balance a chemical reaction word equation?! March 1, 2012 geometry 1. A triangle has side lengths of 8, 10, and 12. what kind of triangle is it? 2. A triangle has side lengths of 3, 4, and 7. what kind of triangke is it? January 12, 2012 English I love how all of us connections students just ganged up on connexus. I agree completely with everyone else, connexus is so stressful but it is challenging. What I really love is seeing this though, none of us know eachother yet we are agreeing completely! January 9, 2012 English I love how all of us connections students just ganged up on connexus. I agree completely with everyone else, connexus is so stressful but it is challenging. What I really love is seeing this though, none of us know eachother yet we are agreeing completely! January 9, 2012 Algebra A box contains 15 blue marbles, 25 yellow marbles, 20 green marbles and 40 red marbles. How many ,arbles must you select to be sure that a green marble has been chosen ? December 18, 2011 Algebra 2 Write a system of inequalities in which x and y are each greater than -3, but not greater than 2. Can someone please help??? October 27, 2011 Poetry I am doing an assignment in class, and I need to find a poem that relates to the poet in my lesson in either a stylistic, thematic, or historical way. And I was wondering, if I could possibly analyze this poem for my assignment? October 20, 2011 Math thank you so much!!!!!!! October 9, 2011 Math two cones have radii in the ratio 5:4 and height 2:3, determine the ratio of their volumes . where V=1/3pier^2h October 9, 2011 civics what is a good strategy for remembering 2 paragraphs of the constitution? September 27, 2011 math First, you have to change miles into feet. There are 5,280 feet in 1 mile. Next, you need to multiply 5,280 feet by 26 miles, to see how many feet are in 26 miles. The answer is 137,280. The last step is to divide 5,280 feet by 137,280 feet. This gives you roughly .0385 feet. March 31, 2011 Stats An instructor gives a test with 20 multiple choice questions. There are 4 responses per questions and only one choice correct. The test also has 30 True/False questions. Determine the probability a student randomly guessing on all questions and correctly answering no more than... March 31, 2011 Grammar 2. I should of written down where(were) I last put them. 3.I don't want to(too) buy that. It's to expensive March 23, 2011 Grammar 2. I (should’ve) written down where i last put them. 3 is correct 4. A evening out can be a great way to clear one's mind. March 23, 2011 Grammar 4.A evening out can be a great way to clear one's mind. March 23, 2011 Grammar 2. I should of written(wrote) down where I last put them. 3.I don't(do not) want to buy that. It's to expensive number 4 is correct March 23, 2011 Grammar Can you help me with these sentences.Review the following sentences. Some of them are correct, whereas others contain an error with a commonly confused word. 1.The diplomats are doing what they can to restore peace. 2.I should of written down where I last put them. 3.I don&#... March 23, 2011 Science On a day with an air temperature of 75°F, you read the psychrometer and determine the relative humidity to be 74%. A sudden weather change (that does not affect the actual moisture content of the air) reduces the relative humidity to 70%. What was the temperature change? February 28, 2011 Intermediate Algebra I have a 72% in this class, but I think I made an F on my final, what is my final grade? please help me!!! December 15, 2010 algebra Describe the steps to graph the direct variation equation y = – 3x. In the formula d = rt, what do each of the letters stand for and how do they relate? December 11, 2010 statistics A random sample of 20 hogs on farmer Brown's hog farm had an average weight of 350 pounds and a SD of 70 pounds. Find 95% confidence interval estimate of the mean weight of all farmer Brown's pigs. December 8, 2010 Physics Ice (initially at 0 degrees celcius)is added to 0.75 L of tea at 20 degrees celcius to make the coldest possible iced tea. If enough ice is added so the final mixture is all liquid, how much liquid is in the pitcher when this condition occurs? December 6, 2010 Cultural Diversity what is the best way to enplain orientalism and the characteristics of it? December 2, 2010 Physics A solid ball of mass m rolls along a horizontal surface with a translational speed of v. What percent of its total kinetic energy is translational? November 14, 2010 physics A yo-yo of radius 10 cm and mass 1 kg is dropped from rest. What is the instantaneous torque on the yo-yo if I hold the string with my fingers? November 4, 2010 PHYSICS ---HELP! Consider a hoola-hoop of radius R and it is spinning about its symmetry axis at a constant angular velocity. Now, I double its mass and halve its angular velocity. What is the new angular momentum in terms of the initial angular momentum? November 1, 2010 PHYSICS ---HELP! I get something close to that. October 25, 2010 PHYSICS ---HELP! A 3.6 m diameter merry-go-round is rotating freely with an angular velocity of 0.78 rad/s. Its total moment of inertia is 1700 kg\m^2. Four people standing on the ground, each of mass 62 kg, suddenly step onto the edge of the merry-go-round. 1. What is the angular velocity of ... October 25, 2010 Finance Mary needs$9000 in 7 years. What amount can she deposit at the end of each quarter at 6% interest compounded quarterly so she will have her \$9000?
October 20, 2010

physics
A small rubber wheel is used to drive a large pottery wheel, and they are mounted so that their circular edges touch. The small wheel has a radius of 1.7 cm and accelerates at the rate of 6.9 rad/s^2, and it is in contact with the pottery wheel (radius 27.0 cm) without ...
October 19, 2010

2nd time posting bc i still need HELP! PHYSICS!!!!
I had a problem similar to this but I was using -11.4 m/s and 1.35 s. You can use my calculations below and just plug in your numbers. Velocity of diver just before hitting the water,Vf = - 11.4 m/s Time, t = 1.35 s Velocity of diver before 1.35 s = Vi Vf = Vi - g t - 11.4 = ...
September 29, 2010

physics
A person jumps from the roof of a house 3.6 -m high. When he strikes the ground below, he bends his knees so that his torso decelerates over an approximate distance of 0.70 {\rm m}. If the mass of his torso (excluding legs) is 46 kg. Find the average force exerted on his torso...
September 29, 2010

physics/ math
I figured this out. For those that may need help with a question like this. Because of the North direction being the displacement vector... there was a 90 degree angle. So... (1.1)(cos90) = 0 (1.1)(sin90) = 1.1 Answer: (0, 1.1)
September 24, 2010

physics/ math
A student bikes to school by traveling first d_N = 1.10 {miles} north, then d_W = 0.500{miles} west, and finally d_S = 0.200 {miles} south. You will now find the same quantity algebraically, without the need to use much geometry. Take the north direction as the positive y ...
September 24, 2010

Physics
A student bikes to school by traveling first d_N = 1.10 miles north, then d_W = 0.500 miles west, and finally d_S = 0.200 miles south. You will now find the same quantity algebraically, without the need to use much geometry. Take the north direction as the positive y direction...
September 23, 2010

Science
what mammal order has the following dental formula: 006/406?
May 5, 2010

history
Coolidge was known as a supporter of big business. what are three examples?
March 30, 2010

probability
This is wrong!! Spades are ace through K which is 13 plus the other 3 kings which is 16, not twelve.
March 15, 2010

chemistry
How many milliliters of .50 M NaOH solution are required to titrate 40.0 mL of a 0.10 M H2SO4 solution to an end joint?
March 6, 2010

math
x over x+2 and x=3
February 4, 2010

algebra
o Systems of equations can be solved by graphing or by using substitution or elimination. What are the pros and cons of each method? Which method do you like best? Why? o What circumstances would cause you to use a different method?
January 26, 2010

science
How does a sunflower's energy get transferred?
January 4, 2010

Ruminant Nutrition (college)
I'm studying for a Ruminant Nutrition final exam and have a couple essay questions that I'm really struggling with... - How do ruminants fit into sustainable food production systems? - Assume that you can genetically modify a rumen microbe to perform any reaction (e.g...
May 4, 2009

Probability
Two brothers enter a race with 5 others. Racers draw names to determine their starting positions (1 to 6). What's the probability that the older brother will start in lane 1 with his brother directly beside him?
April 28, 2009

logic
determine the validity of the next arguments by using Euler circles, then translate the statements into logical statements using the basic connectives, and using truth tables, determine the validity of the arguments. Compare your answers. (a) No A is B Some C is A Some C is ...
April 6, 2009

Chemistry
A 67gr mass of solid iron is heated by a flame until the temp of the iron equals the temp of the flame. The solid iron is then dropped into 250gr of liquid water at 26 degrees C. After 5 mins, the iron and the water are both at 47 degrees C. Specific heat: Iron- .451 Water- 4.184
March 30, 2009

science
what is the purpose of the ridge on the roof?
February 22, 2009

science
explain the importance of convection currents to pond life
February 22, 2009

Math - last one
yes, but why is it t/3?
November 2, 2008

Math - last one
I just have one more question. I need to find the equation for the following word problem: a group of yeasts cells grows by 75% every 3 hours. At 9 a.m., there are 200 yeast cells. Write an equation that models the number of yeast cells after 9 a.m. So far I've worked out ...
November 2, 2008

Math - I really need help, please.
oh, thank you so much!
November 2, 2008

Math - I really need help, please.
A town has a population of 8400 i 1990. Fifteen years later, it's population grew to 12500. Determine the average annual growth rate of this town's population. I really don't understand this problem. I've been going at it for hours and all I've come to is ...
November 2, 2008

Geometry
Please help solve for: solve for x: m < 2=70 and m < 8 = 6 x - 2
October 10, 2008

nonfiction
Why in the world would Mrs. Sue put incorrect answers on here? Mrs. Sue, I understand your beliefs in students doing their own work... but, that doesn't give you the right to sabotage a students grade. If you truely want to help, volunteer in a public school to students ...
October 1, 2008

pre algebra
a rectangle measures 3.9 cm by 9.1 cm what is the area of the rectangle? (a=lw)
September 25, 2008

Geometry
Thanks so much!
August 24, 2008

Geometry
Find the value of the variable and ST if S is between R and T. RS=7a, ST=12a, RS=28 No clue what so ever how to do this.
August 24, 2008

Geometry
so...its lines, lines, and points?
August 20, 2008

Geometry
plane lines lines i think that's what they are..not sure
August 20, 2008

Geometry
VISUALIZATION Name the geometric term(s) for: a paritally-opened news paper woven threads in a piece of cloth satellite dish signal
August 20, 2008

Geometry
nvm, i figured it out i think
August 20, 2008

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