how do I solve this problem for x? 2x/2=63y You need to finish the post. What is the question? I solved it for x for you. answered above, also.
48,255 results
science
The speed of light in a prticular ype of glass is 1.68x10^8 m/s. What is the index of refraction of the glass? I don't understand if how to solve this problem. Do you put an index of refraction of glass that you know or are you solveing for glass that you

physics
A runner is at the starting gate and hears the starting gun. He begins running with a constant acceleration ai = 0.55 m/s2. He crosses the finish line at d = 100 m and then begins slowing down. It takes him tr to cross the finish line. It takes him ts =

trigonometry
Solution of problem: An electric post was broken by a strong typhoon .it rmed a right triangle with the ground.If a broken part makes an angle of 25 degrees with other part and the topmost part of the post which on the ground is 40 feet from the base ,how

Mathreasoning
A farmer wants to build a straight fence with a post every 7 feet. Each end has a post. For a fence that is 49 feet long, how many posts will the farmer need? Describe the quantities given Tell how you can show the relationships in the problem Solve and

chemistry
Hey, can somebody here help me with this stuff? 1) Why are radioisotopes with long halflives not administered internally in medical procedures? 2) What % of C14 would you expect a piece of 34000 yearold fossilized bone from a mastodon to have when

precalc
Find a vector perpendicular to the plane containing the given points. (0,2,2), (1,2,3), and (4,0,1) My teacher was unable to finish the lesson, but I'd like to know how to solve this problem.

GENERAL CHEMISTRY
CALCULATE THE pH AND HYDROLYSIS IN 0.10 M AlCl3 SOLUTION.Ka = 1.2 X 105 FOR [Al(OH2)6]+3,OFTEN ABBREVIATED Al+3.TELL WHETHER pH IS ACID OR BASE.GIVE IONIC EQUATION. Help us a little by telling us how much you know to do and exactly what you don't

Business
Assignment for week 5 Given the following information, draw the project network. Compute the early, late and slack times for the project network. which activities are on the critical path have only the start or finish of the activity on the critical path?

Math
A farmer builds a straight fence that's 49 ft. He puts a post every 7ft. How many post does he need. A post is at the beginning and end How can you show the relationships in the problem Solve and explain your reasoning 8 post. I cans draw a picture

Substitution MethodPlz help
Use the Substitution method to solve the system of equations. x + y = 4 x  y = 2 solve for x in the second equation. x= y+2 Put that in for x in the first equation: x+y=4 (y+2) + y = 4 solve for y. Then, x= y+2 i don't get it.How did you get that?What

Algebra A
write a short story problem that can be solved in one step. Write an equation that represents the problem. Name the property used to solve the problem, and then solve the problem. PLEASE HELP WITH THIS ASAP!!!

math
6=7x+x 4=2/3X+91/3X Not sure about the question, but it could be to solve for x, like this: 6=8x , then x=6/8 or x=3/4 49=(2/3)X  (1/3)X try to finish it...if you need more help, post it again

kaley
find the points at which the graph of 4x^2  4x + 12y^2 6y = 10 has a vertical and horizontal tangent line. For the vertical only solve for y and for the horizontal only solve for x. I got the deriviative to be: (8x4)/(24y + 6). For the horizontal, x =

physics
A runner is at the starting gate and hears the starting gun. He begins running with a constant acceleration ai = 0.55 m/s2. He crosses the finish line at d = 100 m and then begins slowing down. It takes him tr to cross the finish line. It takes him ts =

Mathematics!
Yolanda and Yoko ran in a 100yd dash. When Yolanda crossed the finish line, Yoko was ten yd behind her. The girls then repeated the race, with Yolanda starting 10 yd behing the starting line. If each girl ran at the same rate as before, who won the race?

To Bill  psychology
I've removed your 20question, multiple choice post. Your instructor assigned this exercise/test to find out what YOU know. If you have a problem with a couple of the questions, please post them along with your thoughts about possible answers. Then we'll

Algebra II
I'm not quite sure how to set this problem up. This is the first of the entire worksheet and I'm sure if I understand one problem I can finish the rest pretty easily. The problem states: When there is no wind, Amelia flies her plane from Oklahoma City to

mat
how do I solve this problem for x? 2x/2=63y You need to finish the post. What is the question? I solved it for x for you. answered above, also.

progamming JAVA
1.Write an algorithm, in English, to solve the following problem. Be sure to include pre and postconditions! 2.Problem: Solve X mod Y for all positive integers. Do so without using multiplication or division. 3.What is (7 / 3) + (4 % 5)?

algebre II
Factor and solve: 4x^332=0 Please so work so I can finish on my own with an example problem. Thanks!

maths
Solve 1.6b+1+4b= 3b+6 2.8x  4x = 8 3.the sum of twice a number and 14 less than the number is the same as the difference between 38 and the number. what is the number? 4. some number is six more than eight. what is the number? 5. 3.2x + 5.6x = 3.1 +

Math
Solve the inequality. [( 2x^2+5x3 ) / (x^2 8x+ 16) ] >= 0 I factored out the bottom to (X4)(X4). The top should be 2(x+ ? )(x ?). What would I do next to finish the problem?

Number stories
Aswan,Egypt is the driest inhabited place in the world.The average annual rain fall is 0.02 inch.Is this more or less than 1/4 inch per year? How do you solve this problem/ Duplicate post. Please do not post duplicates. less

Math
Went ahead and did the HW the teach recommended but she did not post the answers and I would like to see if im on the right track. Problem 1: Are the vectors (2,−1,−3), (3, 0,−2), (1, 1,−4) linearly independent? Problem 2 : Is the set {x E R^4 :

about this site please read
im trying to post something but it says I cant because youre not allowed to post internet addresses but I don't have any in my post please help. You likely have a www in the text. nope read it over and over .is that the only thing it could be because I

Number stories
Aswan,Egypt is the driest inhabited place in the world.The average annual rain fall is 0.02 inch.Is this more or less than 1/4 inch per year? How do you solve this problem? This is a triple post. You need post only once. Posting more than once gets us

Math help please
Sorreh I never really post question but I need help with this Write a real world problem that you can model with the two step equation 5x+7=10. Then solve the problem. I would really like it if Some one could explain this to me!! thanks agian ~lost gurls

macroeconomics
Karmin wants to clean her house, finish her economics problem set, write her English essay, and spend time with her boyfriend. However, she only has time to choose one of these activities. Karmin chooses to finish her economics problem set. Hence, the

math question
i have a math problem that i don't understandd but it has a picture to it that you will neeed to understand the problem. i cant post it heree, so where sould i post it?

Geometry
I have two post that meet the ground perpendicular and the ground is level. One post is 40 feet high, the other is 25 feet high. If I draw a hypotenuse from the top of one post to the base of the other post and another hypotenuse from the top of the other

mathmatics
For this unit you will participate in a discussion: First, write your own realworld percent problem. Next, solve a classmate’s problem incorrectly. Include one or two mistakes in your solution. Finally, respond to a different classmate’s post by

10
A runner is at the starting gate and hears the starting gun. He begins running with a constant acceleration ai = 0.55 m/s2. He crosses the finish line at d = 100 m and then begins slowing down. It takes him tr to cross the finish line. It takes him ts =

Math
Please solve these word problem .jeremy finished 3/5 of his homework .what percentage of his homework did he finish ?

calculus
find the points at which the graph of 4x^2  4x + 12y^2 6y = 10 has a vertical and horizontal tangent line. For the vertical only solve for y and for the horizontal only solve for x. I got the deriviative to be: (8x4)/(24y + 6). For the horizontal, x =

Basic Math Venn Diagram
Hi! Having a lot of trouble with this one problem. The venn diagram problem is n(U)n(B). I realize I did not post the venn diagram, I just need to know how to solve that type of problem using a venn diagram! Help would be greatly appreciated. : ) Thank

Solving Inequalities?
Ive been having problems with this soo... My first problem is this: Solve 2x4(x+2)6 < 0 Can someone help me stepbystep figure this out so i can at least finish the ones that are similiar to this one? Thankies

physics
This is a sample question: A man jogs at a speed of 1.2 m/s. His dog waits 2 s and then takes off running at a speed of 4.1 m/s to catch the man. How far will they each have traveled when the dog catches up with the man? The answer is 3.3931 m. I just need

Math
Do you know of a good website that can help me with word problems? I want to be able to type in the word problem, get an answer with an explanation of the problem and they got the answer. Sorry! The Internet is wonderful  but it doesn't do our thinking

Math Help plz!!! Really need help.
Use the Systematic Trial to solve this problem. PeanutPecan Problem Peanuts sell at $5/kg and pecans sell at $20/kg. Marika wants to make 30kg of a mixture of peanuts and pecans that will s ell at $10/kg/ How many kilograms of peanuts and pecans should

10
A runner is at the starting gate and hears the starting gun. He begins running with a constant acceleration ai = 0.55 m/s2. He crosses the finish line at d = 100 m and then begins slowing down. It takes him tr to cross the finish line. It takes him ts =

computers
Write an algorithm, in English, to solve the following problem. Be sure to include pre and postconditions!

algebra 1b
i need help!!!!!!!!!!!! Please post your problem and your attempts to solve it. Then we'll be glad to help you. what's the problem? I have a test on wednesday or thursday and I think I'm gonna pass it! I need help with Simplifying i need help with

ALGEBRA 1!PLZ HELP!
Use the Substitution method to solve the system of equations. y  2x = 5 3y  x = 5 Solve the first equation for y. y = 2x5 Substitute that for y in the second equation and solve for x. Then use the value of x to substitute back into the first equation

math
Dave & Jim separated the peanuts they had collected into two piles. One pile was for doubles (2 peanuts inside) and the other for triples (3 peanuts inside). When they finished shelling peanuts, Dave & Jim had 35 shells and 78 peanuts. How many shells were

Child development
Using these steps, consider a cognitive “problem” a young child might encounter that he/she needs help with (such as putting together a puzzle, sequencing – putting items in order, sorting by color or size, adding, subtracting, tying shoes, learning

MATH
in a contest, Bello. Adamu, and Lawi are asked to solve a mathematical problem. the probability that they solve the problem correctly are 1/5, 2/3, and 2/5. find the probability that:(1)None of them solve the problem correctly(2)At least one of them solve

Calculus  Seperable Equations
Solve the separable differential equation (dy/dx)=y(1+x) for y and find the exact value for y(.3). dy/dx = y(1+x) dy/y = (1+x)dx Integral (dy/y) = Integral (1+x)dx ln (y) = x + (1/2)x^2 + C y = e^(x + (1/2)x^2 + C) y(0.3) = e^(0.345 + C) I am stuck here.

Pre calculus
How do I solve this exponent problem? I understand the exponent rules, but I getting 1 but 1 is not the answer! I don't want anyone to solve the problem for me, I want to learn how to solve this type of problem. Thank you! Solve the equation: 8=36

CHEMISTRY HELP!
I am COMPLETELY LOST for this one...dnt even know where to start MOLES 1) Lithium Hydroxide reacts with Carbon Dioxide to form solid Lithium Carbonate and Water. How many grams of carbon dioxide can be absorbed by each 1 gram of lithium hydroxide. 2) Part

English
1. He can not solve the math problem. 2. He cannot solve the math problem. 3. He can't solve the math problem. 4. He could not solve the math problem. 5. He couldnot solve the math problem. 6. He couldn't solve the math problem. (Are they all grammatical?

Equation of a straight line.
1. Find the equation of the line described in each case: a) Gradient 3, cuts through (0, 6). b) Steepness of 4, passes through (0, 2). c)Parallel to y = 5x  1, cuts the yaxis at (0, 10). d)Cuts through (0, 7) and (5, 17) 2. Here are 3 eqautions: A. y +

System recovery: can't finish my homework !!!!
I've been waiting for over 13 hours for the computer to finish restoring the registry ( also files). I think the computer is infected. It's a laptop, windows vista home premium. Also could a just shut down the laptop ? If a do will the restoring process

math
how many ways can 10 runners finish a race. 10 could finish 10 9 could finish 9 and so on would I times 10*9*8 ect that number seems way to big.

chemistry
ho do you calculate final temperature? anyone please help thanks that's a little vague. Are you dealing with ideal gases? If so you would use the formula PV=nRT P = pressure V = volume of container n = moles (grams/molar mass) R = gas constant (0.0821) T =

Math ,help
how can i simplify this more its for the following problem: Problem #22 solve by using the quadratic formual. 5x^24x+1=0 this is where i am but i do not know how to go further. x = (4 (+/) sqrt (4))/(10) Problem #23 Solve by completing the square.

math
I would let #1 = x. Then #2 = x+1 #3 = x+2 #4 = x+3 The problem says we want the sum of the first three. That will be x + (x + 1) + (x + 2) and that should be 60 more than the fourth. The fourth is x + 3; therefore, set them equal and add 60 to the fourth.

Maths
In a contest, Richard,Jennifer and Alex are asked to solve a problem. The respective probabilities that they solve the problem are 1/6,1/8 and 1/3 , Calculate the probability that  None of them solves the problem  At least one of them solves the problem

math
Sue is able to make six beaded bracelets each month. If Sue begings on January 1st, how many bracelets will she be able to finish in time for the craft sale on May 2nd? What strategy might work to solve this problem

computer science
i need help about blue j from Java.i have project about property. i have almost finish but the end i have error . if there s any one could send me post answer. many thanks

Computer and Technology
Imagine you are working on a research paper that is due tomorrow. You are trying to finish it up so you can get it turned in on time. Suddenly, your computer screen goes black. What will you do? Think of any troubleshooting techniques you can use to solve

math
I am confused need help a computer store sold a total of 300 items last month. the store sold six times as many hard drives as they did CDRoM drives, and half as many floppy drives as hard drives. Based on this information,, how many of each item were

Algebra A
write a short story problem that can be solved in one step. Write an equation that represents the problem. Name the property used to solve the problem, and then solve the problem. can anyone give me the problem and the name of the property? ASAP HELP

Math...
please help....Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. 108 is 36% of what number? Write and solve a proportion to solve the problem.

Math
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. 108 is 36% of what number? Write and solve a proportion to solve the problem. Note: Enter your answer and show all the steps that you use to solve this

math
I have a linear equation problem I am trying to solve that has fractions in it  (x  2)/5  (x  4)/2 = 2 To solve, I first find the lcd which is 10, then multiply everything by 10, so: 10(x  2)/5  10(x  4)/2 = 2 * 10 This comes out to be: 2(x  2) 

Chem
What mass of nickel is dissolved in 100. mL of saturated nickel (II) hydroxide? (Ksp = 1.6 X 10^16) How do I do this? Please don't use different names. It helps us to know what we have already told you in other problems if we have some consistency with

Algebra
I have some problems that I am having trouble with and I have some that need checking please. Thanks! Solve the equation. 4. (x+7/4)=2(x1/6) Find all the value(s) of x that make thedenominator(s) zero. Then solve the equation. 6. (x8/2x) +5= (x+6/x)

math (more trig)
how could you do this problem? tinyurl 39jlf9 (sorry i cant get it to post because it is an internet address i cant seem to figure it out and it seems like there is not enough information or maybe i didn't pay attention in class i was able to get the one

Study skills
This isn't really a question, but I'm wondering how I can manage my time... I have a lot of homework and I don't know how to complete it all... I have tutoring on weekdays and don't usually get to finish all my homework. ( I started year 7 this year). How

Need all the help i can get
Hi i'm pretty new to this and i don't know what to do?So i put these questions up im not sure if my answers will show up because i used color letters, but i need help checking and explaining steps N 108 is 36% of what number? Write and solve a proportion

Chemistry
How many carbon dioxide molecules will form when a naptha molecule burns? Thanks Write the equation, then solve it just as we did the problem on water molecules yesterday. Post in detail any questions you have about what to do next.

math
Review examples 2, 3, and 4 in section 8.4 of the text. How does the author determine what the first equation should be? What about the second equation? How are these examples similar? How are they different? Find a problem in the text that is similar to

algebra
Review examples 2, 3, and 4 in section 8.4 of the text. How does the author determine what the first equation should be? What about the second equation? How are these examples similar? How are they different? Find a problem in the text that is similar to

Algebra
Review examples 2, 3, and 4 in section 8.4 of the text. How does the author determine what the first equation should be? What about the second equation? How are these examples similar? How are they different? Find a problem in the text that is similar to

macroeconomicshelp me!!!!!!
Karmin wants to clean her house, finish her economics problem set, write her English essay, and spend time with her boyfriend. However, she only has time to choose one of these activities.Karmin chooses to finish her economics problem set. Hence, the

Algebra
Pretend the parentheses are absolute value bars. What is the graph of y = (x) and its translation to the graph of y = (x + 3)+1? I know I can't post the graph picture here, but I'm confuzzled on how to solve the problem. Please explain how! Thank you so

Chemistry, #3
Thallium hydroxide is a strong base used in the synthesis of some organic compounds. Calculate the pH of a solution containing 2.55 g TIOH per liter. Sorry! I'm having a really hard time with this acid/base stuff! TlOH is a strong base as the problem says.

Algebra again
I don't understand how to do this problems: Solve for the variable r, C=2PIr (PI is the pi symbol thing then r is next to it) and this problem solve for the variable l, S=B+1/2Pl I know this is the same question, but I somewhat understand how to get the

Physics
A runner is jogging in a straight line at a steady vr =5 km/hr.When the runner is L= 6.2 km from the finish line, a bird begins flying straight from the runner to the finish line at vb=15 km/hr (3 times as fast as the runner). When the bird reaches the

Geometry help please!
What is the length of a diagonal of a square with sides 16 ft long? Round to the nearest tenth. & The length of the hypotenuse of an usosceles right traingle is 30 meters. Find the area of the triangle. Round to the nearest tenth, if necessary. Any help?

algebra
A bicyclist rode into the country for 5hr. In returning her speed was 5 mi/h faster and the trip took 4 hr. what was her speed each way? What equation would I use to solve this problem i have no idea Let V be her speed going out, so V+5 will be her speed

Algebra
Sorry to post the same question again, but I haven't gotten any answers on the last time I asked which was roughly 9 hours ago. Here's the question: We let g(x) = ⌊x⌊x⌋⌋ for x >= 0. Find the number of possible values of g(x) for 0

algebra
give the demensions of rectangles with the perimeters of 70 feet and lengthtowidth ratios of 3 to 4, 4 to 5, and 1 to 1. Ok, the perimeter is 70 and perimeter = 2(length + width) The ratio is length:with=3:4 so length = (3/4)width 70 = 2(length + width)

statistics
34. Two students (say A, and B) are challenged to solve a problem in statistics. Suppose that the probability that A will solve the problem is 40%, the probability that B will solve the problem is 55%, and the probability that A or B will solve the problem

Math And Science for Young Children
The conventional problemsolving strategies usually taught have been: A. act out the problem, make a drawing or diagram, and solve the problem. B. look for a pattern, construct a table, solve the problem, and look back. C. understand the problem, devise a

math
i don't get how to do this problem mrs. sue please help how would you convert the repating nonterminating decimal to a fraction? explain the process as you solve the problem/0.1515... remember to show all of the steps that you use to solve the problem how

just dissapointed and not angry my hope was on these
oh! thank to these sweet jishka i was introduce to have been have sleepless night to that word problem i pleaded i beg,i am one of the best mathematics student at my university thank to jishka and the honourable tutor...i score 12/50 in that test i was not

Math HELP
2 boys and 5 girls can finish a piece of work in 4 days. 4 boys and 4 girls can finish the same work in 3 days. If a girl paid rs 750 each day, what may be the expenditure to complete the work? Tomorrow is my test and I don't know how to solve this

math
Can someone help me finish this problem I am stuck! 5/4x+1/8x=11/8+x 10/8x+1/8x=11/8+x 11/8x=11/8+x 19/8x=11/8

alg 2
how do i do this... 1+x^1/1x^1. so I know you got 1+x/1/1x/1. then you go 1/1+x/x*1/1x/1. then what do i do after that?? the answer is x+1/x1. how do i finish off the problem???

to bobpursley
My classmates friends want me to post their questions as well.Thats why there are multiple names is there a problem. Yes. You are posting duplicate or even triplicate questions. That is silly. If we have answered one, the answers to the others follow.

algebra
solve for x (24+2x)(10+2x)  240 = 152 First multiply. 24(10) = ___ 2x (2x) = ____ Now subtract 240. Can you finish the problem from here? dont i need to put this in equatic equation to solve for x. cause i need to find the width of a small rectangle

to angie
Please do not post responses to other students unless you can help them very proficiently with their specific problem or question. This is not a website for "personals"  so please don't post any personal information about yourself or ask personal

physics
Stickman is driving a dragster. He does the quarter mile in 4 seconds and at the finish line is speed is 100m/s. He deploys his parachute after he crosses the finish line and wished to slow to a speed of 10m/s in 10s. What diameter parachute does he need

physics
Stickman is driving a dragster. He does the quarter mile in 4 seconds and at the finish line is speed is 100m/s. He deploys his parachute after he crosses the finish line and wished to slow to a speed of 10m/s in 10s. What diameter parachute does he need

math,help
can someone help me with this i am lost now i've been doing math for the past 8 hrs. Problem # 1 solve: 4(x10)3x=x40 Problem # 2 solve for t: a = p + prt Problem#3 translate to an algebraic equation 7 less than the quotient of a number and 3 is twice

Algebra
I need help on this following problem: The length of a rectangle measures 1 cm less than its width. The perimeter of the rectangle is 106 cm. Find the dimensions of the rectangle. Now i have tried to solve this problem in multiple attempts as can be seen

geometric
I need help on this following problem: The length of a rectangle measures 1 cm less than its width. The perimeter of the rectangle is 106 cm. Find the dimensions of the rectangle. Now i have tried to solve this problem in multiple attempts as can be seen

Math
Please only give the right answer, 7th grade. I'm so confused please help! Note: Enter your answer and show all the steps that you use to solve this problem. The two figures shown above are congruent. Identify the corresponding sides and angles. Not

physics
I am not sure how to setup this problem. I posted it earlier and "BOB PURSELY" responded we are happy to critique your thinking. I have know idea how to solve this problem or even where to start. Please help!!! A tetherball leans against the smooth,