Posts by Kyle
Total # Posts: 1,138

math
Answer the following questions below that go with the following: Let's say that a locker combination lock uses numbers 0 through 39 for a 3 digit combination. 1.) Exactly how many combinations are possible if NO digit may be repeated? And how many combinations are possible... 
science
Could you please check my answers? Question one: When evolution was first proposed, which of the following was used as evidence as support? A. Observations of nature. B. lab experiments. C. extensive fossil collections, D. genetic sequences. I chose answer C. Second Question: ... 
math
A cardboard box is open at one end and is shaped like a square prism missing one of its square bases. The volume of the prism is 810 cubic inches, and its height is 10 inches. A)What is the length of each side of the base? B)Draw a net of the box C)How much cardboard is used ... 
math
Raj builds a side table in the shape of a cube. Each edge of the cube measures 20 inches. Raj wants to cover the top and four sides of the table with ceramic tiles. Each tile has an edge length of 5 inches. How many tiles will he need? THANK YOU! 
Language Arts
Is it C 
Language Arts
Hello, this is long but I need my answer checked to this short selection the question is asking What best expresses the Author's point of view. Story selection: There's good news and bad news about grizzly bears in the American West. The good news their numbers have ... 
Language Arts
ok thanks 
Language Arts
its just asking the main conflict of what was a dialogue 
Language Arts
Hello, I need help with these questions and checking my answers. First Question: Which one of these lines is the main conflict? I don't have to remind you to get your grades up,You're the only one without approval that's due in two weeks, or Jason who is entering ... 
CHEM
Yes, that problem makes sense to me that you attached. How do I go about this problem though if I don't have a dilution factor? I only have the half life and the activity. 
CHEM
An isotope has a halflife of 56 days. It now has 10,000 DPM/ml. What is the activity in the diluted specimen? Very confused, any help would be appreciated! 
Math
1. im not sure 2. correct 
Science
How much current does a flashlight use if its battery supplies 3.0 Volt and the bulb has a resistance of 4.0 Alpha 
math
Stewart is playing a video game. He earns the same number of points for each prize he captures. He earned 1,200 points for 6 prizes, 2,000 points for 10 prizes, and 2,600 points for 13 prizes. Which is the dependent variable in this situation? A)the number of prizes captured B... 
Math
Right 
math
Jose wants to find how many gallons of water he needs to fill his cubeshaped aquarium. One side of his aquarium is 4 feet long. a)Write and solve an expression to find the volume of Jose's aquarium. b)One cubic foot is equal to 7.48 gallons of water. How many gallons of ... 
math
Marcus is doing a science experiment in which he measures the rate at which bacteria multiply. Every 15 seconds the bacteria double in number. If there are 10 bacteria now, how many will there be in 2 minutes? 
chemistry
start by figuring out what 35.51 percent of 169 grams is. It is around 60 grams (60.0119g to be exact) this is the percentage of carbon in MSG. Now look at the bottom number on the periodic table for carbon 12.01, meaning one Mol is 12.01g, therefore 5 carbons will be needed ... 
biology
Assuming logistic growth, if I told you there are currently 100 quail on campus, with r=0.1, but that they have greatly exceeded their carrying capacity = K = 50. How many quail will be in the population next generation I don't remember how K factors in 
Ecology
Assuming logistic growth, if I told you there are currently 100 quail on campus, with r=0.1, but that they have greatly exceeded their carrying capacity = K = 50. How many quail will be in the population next generation? So r is rate of growth, and it determines the increase ... 
math
Select the sentence that is correctly completes the sentence below. to convert from a smaller unit 
math
aw thank you so much. so, how do to write with step? (gof)(x)=4x216x+8 (g(f(x))=4x216x+8 and then? 
math
f(x)=(2x3) (gof)(x)=4x216x+18 g(x)...? 
math
Emma's school plans to build a rectangular basketball court with an area of 150+175t square feet. The length of the basketball court is 25 feet.What is the width of the basketball court? Thank you! 
math
SORRY.. here is the question... What is the width of the basketball court? 
math
Emma's school plans to build a rectangular basketball court with an area of 150+175t square feet. The length of the basketball court is 25 feet as shown in the following diagram. Thank you! 
Science
Organs like the liver, lungs, and intestines, each perform a specific job. COMPARE AND CONTRAST: How are the organs in a model of a human body the same and how are they different? Thx!! 
physics
if you have your distance of 13,132m and you know your speed of 233m/s recall distance=speed x time so take your distance and divide it by your speed 13,132/233= 56.361 seconds ULL Physics 
math
Alan has partially completed the chart showing the distance between his town, Greenville and two other towns. DISTANCE BETWEEN GREENVILLE and NEARBY TOWNS (miles) Parker = 29 Hadley = ? 1)The distance between Hadley and Greenville is 13 miles less than the distance between ... 
social studies
thank u so much 
math
William earns $13 an hour working at a movie theater. Last week he worked h hours at the concession stand and three times as many hours at the ticket counter. Write and simplify an expression for the amount of money William earned last week. THANK YOU! 
Math
Thank you Steve, sorry for the confusion. This is a chart with x's in the numbers (like a bin). There aren't any x's in 5 or 7. Would I exclude them and only use, 0, 1, 2, 3, 4, 6, and 8? Then my median would be 3. Correct? Thanks 
Math
I have a table with x and y. x = 0, 1, 2, and 3. y=2xsquared. My answers are 0 = 0, 1 = 4, 2 = 16, and 3 = 36. Am I right? Thanks. 
Math
I have to find the median of 0, 1, 2, 3, 4, 5, 6, 7, 8. There is no data in 5 or 7. Would the median still be 4? Thanks for your help 
science
I am on the same 1 to 
social studies
what did juan perón and salvador allende have most in common? 
Geometry
A ship sails 400 km on a bearing of 75 degrees 
Organic Chemistry
A 1.0 gram sample of aspirin will dissolve in 300 mL of water and in 17 mL of chloroform at 25 deg C. a. What is the solubility of aspirin in each solvent expressed in g/mL? (show your calculations) I don't know where to start, does the molecular weight come into play (180... 
math
George wants to put carpeting in a rectangular living room and a square bedroom. The length and width of the lving room is 12 feet by 18 feet. One side of the square bedroom is 13 feet. It will cost $3.50 per square foot to carpet the rooms. A)Write an expression that can be ... 
math
Show how to write and evaluate an expression to represent and solve this problem: Jeff and his friend each text four classmates about a concert. Each classmate then texts four students from another school about the concert. If no one receives the message more than once, how ... 
math
FOUR QUESTION PROBLEM: Amy and three friends launch a new website. Each of the four friends emails the web address to three new friends. These new friends forward the web address to three more friends. If no one receives the emails more than once, how many people will ... 
math
Tell whether the value of the expression is less than the base of the expression: a) 2^3 b)(5/6)^3 c) 3^1 d)(5/2)^3 e) 1^3 ...b)equals 125/216. So is the correct answer YES it is less than the base? ...d)equals 125/8. Is the correct answer NO it is not less than the base? 
math
Show how to write and evaluate an expression to represent and solve this problem: Jeff and his friend each text four classmates about a concert. Each classmate then texts four students from another school about the concert. If no one receives the message more than once, how ... 
math
Tell whether the value of the expression is less than the base of the expression: a) 2^3 b)(5/6)^3 c) 3^1 d)(5/2)^3 e) 1^3 THANK YOU! 
math
FOUR STEPS: Amy and three friends launch a new website. Each of the four friends emails the web address to three new friends. These new friends forward the web address to three more friends. If no one receives the emails more than once, how many people will receive the web ... 
math
Show how to write and evaluate an expression to represent and solve this problem: Jeff and his friend each text four classmates about a concert. Each classmate then texts four students from another school about the concert. If no one receives the message more than once, how ... 
math
In a game, you draw a card with three consecutive numbers on it. You can choose one of the numbers and find the sum of its prime factors. Then you can move that many spaces on a game board. You draw a card with the numbers 25, 26, 27. Which number should you choose if you want... 
math
Alice wants to find all the price factors of the number you get when you multiply 17x11x13x7. She thinks she has to use a calculator to perform all the multiplications and then find the prime factorization of the resulting number. Do you agree? Why or why not? THX 
math
Explain why it is possible to draw more than two different rectangles with an area of 36 square units, but it is not possible to draw more than two different rectangles with an area of 15 square units. The sides of the rectangles are whole numbers. EXPLAIN your answer. THX 
Chemistry
I understand the solution above but if the limiting reagent is 1.8 that means to get the [Ce^3+]= 1.51.8= 0.3mols/ 0.10L wherein 0.1L is the total volume. Is this correct? Thanks. 
Chemistry
The ksp for Ce(IO3)3 is 3.2E10. What is Ce^3+ concentration in a solution prepared by mixing 60ml of 0.025M Ce^3+ with 40ml of 0.045M IO3^? 
statistics
suppose a sample of 2404 tenth graders is drawn.Of the sampled, 601 read at or below the eighth grade level. using the data, construct the 98% confidence interval for the population proportion of tenth graders reading at or below the eighth grade level. 
math
suppose a sample of 2404 tenth graders is drawn.Of the sampled, 601 read at or below the eighth grade level. using the data, construct the 98% confidence interval for the population proportion of tenth graders reading at or below the eighth grade level. 
math
Suppose babies born in a large hospital have a mean weight of 3181 grams, and a standard deviation of 526. If 97 babies are sampled at random from the hospital, what is the probability that the mean weight of the sample babies would differ from the population mean by greater ... 
algebra
Find the equation of the line passing through the points 200313020000_vl_files/i0030000.jpg and 200313020000_vl_files/i0030001.jpg. A. 200313020000_vl_files/i0030002.jpg B. 200313020000_vl_files/i0030003.jpg C. 200313020000_vl_files/i0030004.jpg D. 200313... 
Algebra
4x1+3=4x My answer is 5 4x1+3x=4x 3x+4x 8x1 = 4x8 1 = 4x 14 = x 5 = x Am I correct 
Algebra Middle
My math question ask is 1/3(x9) = 2x+7 greater than or less than 4/3(x+4)= 4x. The problem (1) answer = 6. Problem (2) answer = 1. Therefore problem (2) is less than problem (1). Are the answer to the equations correct. Sincerely 
Math
Thank You Reiny, much appreciated. Could you tell Ms. Sue thanks for the heads up on the website math is fun, I have been learnign quite alot form it. Thank You again. Kyle 
Math
If I were to compare (9)and [9] would it be less than, more than or equal to? I say it is equal to. Would I be right? Thank You for your help. 
Math
Thank you very much Ms. Sue 
Math
What rational number is less than 0 but greater than 1/2? I think its negative 1/4 would I be right? Thank You for your help. 
Physics
Because he found the velocity per second so you have to multiply by two to get the answer for two seconds 
college precalculus
what is the equation of lowest degree with real coefficients if two of its roots are 1 and 1+i? A. x^3+x^2+2=0 B. x^x^22=0 C. x^3x+2=0 D. x^3x^2+2=0 e. none of the above i don't get it is it (x+1) (1+i) 
ap chemistry
thanks 
ap chemistry
no she didn't give it sadly 
ap chemistry
calculate the concentration of CO2 in a soft drink after the bottle is opened and equilibrates at 25C under a CO2 partial pressure of 0.0003 atm. c=KP henry's law k=? P=0.0003 atm. how to solve 
ap chemistry
calculate the concentration of CO2 in a soft drink after the bottle is opened and equilibrates at 25C under a CO2 partial pressure of 0.0003 atm. c=KP henry's law k=? P=0.0003 atm. how to solve 
chemistry
i need help 
chemistry
calculate the concentration of CO2 in a soft drink after the bottle is opened and equilibrates at 25C under a CO2 partial pressure of 0.0003 atm. c=KP henry's law k=? P=0.0003 atm. how to solve 
college
a solution is prepared by mixing 50.0 mL toluene (C6H5CH3 d=0.867 g/mL) with 125 mL Benzene (C6H6 d=0.874 g/mL). assuming that the volumes add upon mixing, calculate the mass percent, mole fraction, molality, and molarity of the toluene. 
chemistry
a solution is made by dissolving 25 g NaCl in enough water to make 1.0 L solution. Assume that density of the solution is 1.0 g/mL. calculate the mass percent, molarity, molality, and mole fraction of NaCl. whats wrong 25 g NaCl 1.0 L solution 1.0 g/mL 25 g NaCl/58.44 g NaCl... 
college chemistry
a solution is made by dissolving 25 g NaCl in enough water to make 1.0 L solution. Assume that density of the solution is 1.0 g/mL. calculate the mass percent, molarity, molality, and mole fraction of NaCl. 
science
a solution is made by dissolving 25 g NaCl in enough water to make 1.0 L solution. Assume that density of the solution is 1.0 g/mL. calculate the mass percent, molarity, molality, and mole fraction of NaCl. 
ap chemistry
tanks 
ap chemistry
what else is right? 
ap chemistry
its touluene 
ap chemistry
what else is right help me 
ap chemistry
is that right answer 
ap chemistry
HELP ME WITH THIS ONE WHEN DONE WITH THE OTHER THX calculate the concentration of CO2 in a soft drink after the bottle is opened and equilibrates at 25C under a CO2 partial pressure of 0.0003 atm. c=KP henry's law k=? P=0.0003 atm. how to solve 
ap chemistry
i figureed is this right DrBOb22 is my ansswers right mass percent: 43.359/152.6gx100= 28.4% mass of benzene: 25 mLx .874 g/mL= 109.25 grams mass of touluene: 50 mLx .867 g/mL= 43.35 grams molarity: .251 mol/.175 L= 1.43 M molality: .251 mol/ .10925 kg= 2.30 m x touluene= .470... 
ap chemistry
need help 
ap chemistry
is this right: mass percent: toluene 28.4 % benezene: 7.6% mole fraction x C6H5CH3: .251 mole fraction of X C6H6 1.619 molality: 2.3 molal molarity: 1.43 M is that right? idk 
ap chemistry
mass of benzene is 0.874 g/ml mass of toluene= 0.867 g/mL 
ap chemistry
i don't know how to do it 
ap chemistry
but how u do it explain please 
ap chemistry
a solution is prepared by mixing 50.0 mL toluene (C6H5CH3 d=0.867 g/mL) with 125 mL Benzene (C6H6 d=0.874 g/mL). assuming that the volumes add upon mixing, calculate the mass percent, mole fraction, molality, and molarity of the toluene. 
chemistry
calculate the concentration of CO2, in a soft drink after the bottle is opened and equilibriates at 25C under a CO2 partial pressure of 0.0003 atm. 
chemistry
a solution is prepared by mixing 50.0 mL toluene (C6H5CH3 d=0.867 g/mL) with 125 mL Benzene (C6H6 d=0.874 g/mL). assuming that the volumes add upon mixing, calculate the mass percent, mole fraction, molality, and molarity of the toluene. 
science
a solution is made by dissolving 25 g NaCl in enough water to make 1.0 L solution. Assume that density of the solution is 1.0 g/mL. calculate the mass percent, molarity, molality, and mole fraction of NaCl. 
ELA
I'm reading the Iliad and a question has come up  What is the conflicting message about the relationship between humans and the gods does this myth give? Any help with this would be much appreciatd. Thank You 
AP Chemistry
Consider the following reaction: CH3X + Y > CH3Y + X At 25 degrees Celcius the following two experiments were run, yielding the following data: Experiment 1: [Y]0 = 3.0 M [CH3X] (mol/L) Time (hours) 7.08*10^3 1.0 4.52*10^3 1.5 2.23*10^3 2.3 4.76*10^4 4.0 8.44*10^5 5.... 
College Algebra
According to Newton's law of cooling, the rate at which an object cools is directly proportional to the difference in temperature between the object and the surrounding medium. The face of a household iron cools from 130° to 100° in 30 minutes in a room that ... 
College Algebra
The number of bacteria in a certain culture increased from 500 to 1000 between 7:00 A.M. and 9:00 A.M. Assuming growth is exponential, the number f(t) of bacteria t hours after 7:00 A.M. is given by f(t) = 500(2)^t/2. (a) Estimate the number of bacteria in the culture at 8:00 ... 
Math
A length of rope is stretched between the top edge of a building and a stake in the ground. The head of the stake is at ground level. The rope also touches a tree that is growing halfway between the stake and the building. If the tree is 38 feet tall, how tall is the building... 
ELA
Have been all over Google looking for laymans terms for this  coulden't find anything but thanks anyway 
ELA
Athena asks Zeus "will you save a man whom the fates appoint to die?" How does this question relate to the overall theme in the iliad? SOOOOO CONFUSED Please help  Thank You 
Math
A town has 4900 registered voters, each of whom is either a Republican, a Democrat or an Independent. In the last primary election, 1150 people voted, and the number of Republicans who voted was 720 fewer than 30% of the total number of Democrats plus Independents combined. ... 
physics
100 
physics
120 
physics
The acceleration of gravity is 9.8 m/s2 . What is the magnitude of the total force on a(n) 75 kg driver by the dragster he operates as it accelerates horizontally along a straight line from rest to 66 m/s in 4.5 s? Answer in units of kN