Friday
August 1, 2014

Posts by samantha


Total # Posts: 1,337

General
This is a question to everybody: I was just wondering if anyone had any science related questions or things they wonder about that may require experiments. If you have any ideas please mention them. I need this for a science for a science fair project and have at most a 6 mont...

algebra
1/7x-x=-1/7(2x+84)

algebra
Find the inverse of the following function. Find the domain, range, and asymptotes of each function. Graph both functions on the same coordinate plane -x/3 f(x)=4+e ( if this makes sense, not sure how else to show it. the -x/3 is after the e like -x/3 to the power of e) please...

college algebra
Find the inverse of the following function. Find the domain, range, and asymptotes of each function. Graph both functions on the same coordinate plane f(x)=4+e^-x/3 please help me! show steps also, if i an just given an answer that wont help me! thanks in advance!!!

Math
First I factor 54. 5 4 | | 9 6 |\ \ \ 3 3 3 2 {3 3 3} group of threes that can be out of cubed root Because there are three threes I take them out of the cubed root (# = im going to consider this as my cubed root button) turning #54x^17 into 3#2x^17 Now we factor x^17: there a...

Math
First I factor 54. 5 4 | | 9 6 |\ \ \ 3 3 3 2 {3 3 3} group of threes that can be out of cubed root Because there are three threes I take them out of the cubed root (# = im going to consider this as my cubed root button) turning #54x^17 into 3#2x^17 Now we factor x^17: there a...

math
f(x)=-2x3+20x2-48x =(?)(-2x)(X-6) how do I find the missing factor of this?

Politics/Debate
thank you so much for today and yesterday

Politics/Debate
are there some important things about domestic infrastructure we should worry or know about? How does demestic infrastructure help us in a positive way and also in a negative way? why would someone negate the substantial increase in development for domestic infrastructure? Tha...

Politics/Debate
what does this sentence mean in regular english "The United States Federal Government should substantially increase development of domestic infrastructure." and what is the basic meaning of domestic infrastructure? Tahnk you soo much in advance!!

college statistic
A sample of 51 night-school students' ages is obtained in order to estimate the mean age of night-school students. x = 26 years. The population variance is 19. (a) Give a point estimate for μ. (Give your answer correct to one decimal place.) (b) Find the 95% confidenc...

college
Consider a normal population with μ = 36 and σ = 4.9. Calculate the z-score for an x of 47.6 from a sample of size 14. (Give your answer correct to two decimal places.)

John jay college
A random sample of n = 9 scores is obtained from a population with μ = 50 and σ = 9. If the sample mean is M = 59, what is the z-score corresponding to the sample mean? z = 3.00 z = 1.00     z = 9.00 cannot determine without additional information

John jay college
A random sample of n = 9 scores is obtained from a population with μ = 50 and σ = 9. If the sample mean is M = 59, what is the z-score corresponding to the sample mean?

college math
The ratio of soda to diet soda in Bill's Supermarket is 8 to 9. If a person counted 72 bottles of soda, how many bottles of diet soda are there?

Personal Finance
During a job interview Pam Thompson is offered a salary of $2800. The company gives annual raises of 6 percent. What would be Pams salery during her 5th year on the job?

Math
The average (arithmetic mean) and median of the five numbers a,a,b,c, and c are 20 and 30, respectively. If a < b < c, what is the value of a + c?

Math
If it takes 6 minutes to travel from point A to point B at a constant speed of 60 miles per hour, how many minutes does it take to travel the same route from point A to point B at a constant speed of 50 miles per hour?

Math
f(x) = (1/3)x the fraction one third x

Math
f(x) = 1/3x + 3 and g(x) = x - 2 The functions f and g above are defined for all values of x. In the xy-plane, what is the y-coordinate of the point of intersection of the graphs of f and g?

Math
if (a^6 x a^6)^k = (a^3)^(k+5), solve for k

Math
At a company, there are y more male employees than female employees. If there are x male employees at the company, what fraction of the employees are male, in terms of y and x?

english
Snow skiing is a very exciting sport. what type if sentence pattern is this? S-v,s-v-io, s-v-io-do,e-v-s,s-lv-pn,s-lv-pa, s-v-do-oc, question pattern

math
Solve the following problem. Round answer to two decimal places when necessary. I=240 W=1/3 A=1*W A=

Management
Critical thinking is very important in making decisions that impact an organization’s growth and survival. Which of the following traits of a critical thinker is essential in this process?

science
what do you call a river or stream that runs or flows really fast?

chemistry
what mass of acetylene, C2H2, will be produced from the reaction of 90 g of calcium carbide, CaC2, with water in the following reaction? CaC2+2H2O-->C2H2+Ca(OH)2

Chemistry
An etheral solution contains benzoic acid, 9-fluorenone, abd ethyl 4-aminobenzoate. Why would benzoic acid and 9-fluorenone not be extracted from this etheral solution by aqueous HCl ?

algerbra 2
What did the baby pocupine say when it backed into a cactus?

computers
Imagine that you have been hired as an IT consultant and have been asked to write a recommendation for an OS. This start-up company primarily develops games and has approached you to recommend an OS for its 25 employees who use desktop PCs. The primary purpose of the desktops ...

algebra 2
Solve the inequality (x-3)/(2x+1)>0

Math
There are 40 tags numbered one through 40 in a bag. What is the propability that Glen will randomly pick a multiple of 5 and then a multiple of 9 without replacing the first tag?

Algebra 1
1. 5x + 9 = 3x + 1 2. 14 + 7n = 14n + 28 3. 22(g  1) = 2g + 8 4. d + 12  3d = 5d  6 5. 4(m  2) = 2(3m + 3) 6.  (4y  8) = 2(y + 4) 7. 5a  2(4a + 5) = 7a 8. 11w + 2(3w  1) = 15w 9. 4(...

Science
Changing the current changes the ___ of an electromagnet. Choices are: A. strength B. direction C. charge D. both a and b

Math
I need help trying to write out these binomial expansions: they all need to be raised to the 8th power. Thanks 1. (x + y) 2. (w + z) 3. (x - y) 4. (2a + 3b) - Now explain how your answer for #1 could be used as a formula to help you answer each of the other items. In each case...

Chemistry
I need help with this in order to correctly complete my other related problems. Thank you so much in advance =) Arrange the following 0.1 M solutions in order of increasing pH and state why you placed each solution in that position: NaCH3COO, HCl, HCN, NaOH, NH3, NaCN, KNO3, H...

Chemistry
I need help with this in order to correctly complete my other related problems. Thank you so much in advance =) Arrange the following 0.1 M solutions in order of increasing pH and state why you placed each solution in that position: NaCH3COO, HCl, HCN, NaOH, NH3, NaCN, KNO3, H...

History
Q: Which governmental position was NOT held by James F. Byrnes? Choices are: A. U.S. Secretary of State B. U.S. Supreme Court justice C. governor of South Carolina D. vice president of the United States

History
Q: What action did the United States NOT take against Japan before the attack on Pearl Harbor? Choices are: A. cut off the sale of oil and metal to Japan B. sent the Japanese ambassador back to Japan C. froze all the Japanese assets in the United States D. discontinued negotia...

MATH
What is the sum of (x^2-3x+2) and (5x^2-3x-8)? show your work help me!!!

math
Two prisms are similar. The surface area of one is four times the surface area of the other. What is the ratio of the corresponding dimensions?

math
A snailis trying to climb up a cup left by some students that littered.Each hour the snail slithers up 2`` but when he is tired he sleeps and slides 1``. How many hours until he reaches the top of the cup with a height of 10 is this an integer question?

math patterning
Look over the following sequence of numbers. What are the next 3 numbers in the pattern?what is the pattern rule? -1,0,1,0,1,2,3,6,11,20,37

Algrebra
I need to find the approximate surface area of a cone with the R=5 and L=6. I thought I figured it out by 3.14(5)(6) which will give me 94.2 I then would take 94.2 +3.14(5)squared and I came up with 172.7, but my answer should be either 20m squared, 98m squared, 118m squared o...

Calculus
Let L1 be the line with the vector equation r= (-2,3) +s(-1,3), seR. Let L2 be with the line with parametric equation x=3t+2, y=t-7, teR. Are L1 and L2 perpendicular? How do you know?

Science
c

Western experience
Oops I meant c.

Western experience
I was thinking D by the way because calculating technology doesnt have much to do with communication

Western experience
All of the following are late-twentieth century technological developments that have revolutionized communication except A) development of the world wide web B) development of the personal computer C) development of calculating machinery D) development of the microchip E) deve...

biology
I have the fetal pig test on muscles in AP biology class coming up soon. And I was wondering if anyone knows any good online sites where thye give pictures and i can practice labeling the muscles on the pig.. thanks

PLEASE HELP!!!
actually that is the kind of way i did it. I almost did 2 experiments on a total of 150 people. Thanks anyway

PLEASE HELP!!!
thank you

PLEASE HELP!!!
Hi, I'm doing a science fair and they're asking us to put pictures of us doing experiments or to bring in a model. In my project I experimented on people so was I supposed to take pictures of people performing the tasks? I already did the project and experiments and d...

science fair
Hi, I'm doing a science fair and they're asking us to put pictures of us doing experiments or to bring in a model. In my project I experimented on people so was I supposed to take pictures of people performing the tasks? I already did the project and experiments and di...

History
Why was South Carolina placed under military control? I think it is because it refused to ratify the 13th Amendment, but I am not sure.

Algebra
If a football field's length is 120 yds. and its width is 53 1/3 yards and a soccer field's lenght is 130 yds and its width is 100 yards how many times the area of the small field is the area of the larger field? I multiplied the length x width and got 6,400 for area o...

physical science
absolute zero is the same as

physics
normally warms up faster when heat is applied

fun facts
what are some fun facts on multitasking? if not that what are some websites to find good fun facts

science fair
in my science fair report school layout they want us to write a paragraph on testing my hypothesis and before that they asked us to write procedure. i wrote the procedure now do i rewrite it for testing my hypothesis?

science fair
in my science fair report school layout they want us to write a paragraph on testing my hypothesis and before that they asked us to write the procedure. i wrote the procedure now do i rewrite it for testing my hypothesis? or do i write something else

science fair
in my science fair report school layout they want us to write a paragraph on testing my hypothesis and before that they asked us to write the procedure. i wrote the procedure now do i rewrite it for testing my hypothesis? or do i write something else

Math
1. Simplify, and write in the base of 3: (9^x . 3^4x)^2 answer: 3^12x 2. Differentiate and simplify a. y= 3x^4 - 4e^x + 8 answer: 4(3x^3 - e^x) b. y= (3 + 4e^x)^5 answer: 20e^x (3+ 4ex)^4 c. y= (e^x - 1) / x^2 answer: (xe^x - 2e^x +2) / x^3

Algebra
triangular prism with base perimeter 24 cm, base area 24 cm^2, and height 15 cm. Choices are: A. 606 cm^2 B. 384 cm^2 C. 408 cm^2 D. 87 cm^2

Algebra
rectangular prism with base perimeter 30 cm, base area 50 cm^2, and height 150 cm. Choices are: A. 7,560 cm^2 B. 4,600 cm^2 C. 1,800 cm^2 D. 4,550 cm^2

Finance
Spam Corp. is financed entirely by common stock and has a beta of 1.0. The firm is expected to generate a level, perpetual stream of earnings and dividends. The stock has a price-earnings ratio of 8 and a cost of equity of 12.5%. The company's stock is selling for $50. Now...

Calculus- please help
Q. Find the minimum value of Q=x^2y subject to the constraint 2x^2+4xy=294. Its the derivative method.

physics
A brick of mass 0,5 kg possesses 100J of gravitational potential energy when held at a certain height above the ground.How long will it take to reach the ground when it is released?

statistics
assume that adults have IQ scores that are normally distributed with a mean of 100 and a standard deviation of 20. find the probability that a randomly selected adult has an IQ less than 20.

statistics
a statistics professor plans classes so carefully that the lenghts of her classes are uniformly distributed between 46.0 and 56.0 minutes. find the probability that a given class period runs less than 50.5 minutes

Algebra
whats c?

Algebra
A fish pond at the local park is a regular hexagon. a. Write a formula for the perimeter of the pond in terms of the length of a side. Explain your formula. b. Each side has a length of 7.5 feet. Find the perimeter of the pond. c. Suppose the designer of the pond wants to make...

Science
Which of the following materials will burn the fastest in open air? A. a log, two feet in diameter B. two logs, each one foot in diameter C. a pile of small splinters made from a two-foot diameter log D. Both logs and the splinters will burn at the same rate.

English Literature
Can anyone explain how expatriate Americans and native Europeans viewed America after WWI.

Science
Which of the following materials will burn the fastest in open air? A. a log, two feet in diameter B. two logs, each one foot in diameter C. a pile of small splinters made from a two-foot diameter log D. Both logs and the splinters will burn at the same rate.

Science
Which of the following conditions would likely cause the activation energy to be high? A. atoms are close together B. the temperature is hot C. atoms are not close together D. a catalyst is present.

Algebra
How far does a rider travel in one turn of each Ferris wheel? This is the first chart Measure Ferris Wheel Diameter (ft) 250 Height, including base 264 # of passenger cars 36 #of people per car 60 This is the second chart Measure Cosmo Clock Diameter (ft) 328 Height, including...

science
What are the main differences and similarities of the superior appendicular skeleton and inferior

English
Which of the following sentences is punctuated correctly? A. Melissa said that she would never go on a cruise B. Justin asked, "Will tickets be available online"? C. "Of course," Mr. Howard replied "You can buy tickets and rent a car online." I th...

math
czggaaaaagagagaag

Accounting
If Tom, an accountant, agrees to provide accounting services to Carl, a friend, in exchange for Carl fixing Tom's office floor, then: (Points : 1) Tom must report income on his tax return. Carl must report income on his tax return. Neither Tom nor Carl must report income ...

Tax
Hamad is an employee of Mountain Company. He properly completed his Form 1040EZ tax return and was required to pay the IRS $1,244 at the time of filing. He had income tax withholding during the year of $4,782. His tax liability for the year was: A. $1,244. B. $3,538. C. $4,782...

Tax
sorry my friend posted the same question u can reply to either one

Tax
Hamad is an employee of Mountain Company. He properly completed his Form 1040EZ tax return and was required to pay the IRS $1,244 at the time of filing. He had income tax withholding during the year of $4,782. His tax liability for the year was: A. $1,244. B. $3,538. C. $4,782...

Science help!
adding magenta and yellow dyes makes what color? At first i thought it was red. but when I realized we are adding dye's not light im thinking its black.. but im not sure! please help!

maths
If the side of triangle are equal, and it was made by placing beads touching it other, how many beads would you use if there are 3 beads on each side?

math, geometry
What if it has two equally sized bases of 10 and a height of 1 is it a trapazoid or quadaralladiral. ..Sorry for spelling mistakes.

math, geometry
Im not sure but i think it can if it has four sides...am i correct?

math, geometry
can a trapezoid have equal sized bases?

Proof! Help!
If k vertices has kC2 edges, show that (k+1) vertices has (k+1) C 2 edges

History
It only says that he argued against it for five hours in the state house. It doesn't expain why he opossed it?

History
Why did Jame Otis oppose writ of assistance?

Social Studies
Why did President Andrew Johnson veto a bill to continue the Freedmen's Bureau? Choices are: A. He believed it was not profitable B. He believed it was unconstitutional C. He believed it was not cost effective D. He believed it did not do what it was promised. I chose B. H...

Social Studies
Which Reconstruction plan divided the South into military districts? Choices are: A. the 100% plan B. Johnson's plan C. Lincoln's plan D. the Radical Republican plan Please help. Cant find answer.

Social Studies
Which U.S. Consitutional amendment has been the basis for Supreme Court decisions regarding public school segragation and forced reapportionment of voter districts? Choices are: A. 13th B. 14th C. 15th D. 16th I said B. 14th amendment

Social Studies
Which U.S. Constitutional amendment gave former slaves citizenship? Choices are: A. 13th B. 14th C. 15th D. 16th I said A. The 13th amendment

geometry
why do a rectangle and a parallelogram share the same formula? why does the triangle have a formula of b*w /2

math
thats all ..it seems so simple thank you

math
why do the parallelogram and the rectangle have the same formula? b*h

Social Studies
Thanks John

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