# Critical Thinking/Math

9,720 results, page 57
1. ## Math

math A particle A is projected vertically upwards from a point O on horizontal ground with speed 20ms. At the same instant a particle B is released from rest at point P which is 30 m above the ground. The point P Is not directly above O ignore air
2. ## Math

What is meant by the terms vertical and horizontal asymptotes Here is a nice graph with vertical and horizontal asymptotes. THe dotted lines are the asymptotes. http://www.mathnstuff.com/math/spoken/here/2class/300/fx/library/234/n1oxp4.gif
3. ## Math percentage

I don't really understand percentages grade 6 math. 1.60% discount on a 7$item so items price is 40% of original so 0.4 x 7= 2.8$? 2. A population of 1500 people increases 15% each year how would this question be done? 1500 x .15=225 so the next years
4. ## algebra

please help me for this problem.im not good in math.the challenge involves in dealing with the owner is to use a 20 meter fencing material to build a pig pen so that the owner will not be buying any additional materials considering also that one side of
5. ## Math -_-

For all x in the domain of the function x+1 over x^3x this function is equivalent to $a)\frac{1}{x^2}-\frac{1}{x^3}\\ b)\frac{1}{x^3}-\frac{1}{x}\\ c)\frac{1}{x^2-1}\\ d)\frac{1}{x^2-x}\\ e) \frac{1}{x^3}$ This is one of the questions to my math test can
6. ## College English

Can you eliminate all the crutch verbs in this story and still make it sound good? I prefer to live life in a large city where I can enjoy the freedom to do things that can't be done in a small town, where thier life's like thier neighbors. Their beliefs
7. ## Help with a chemistry reaction

2Fe + 3Cl2 -> 2FeCl3 How much FeCl3 can you produce with 10g of Fe and how much Cl2 will be consumed? The chain of thought in my head is, first calculate the amount of mol in Fe, done by taking the mass over the molarmass 10g/55,85 = 0,179mol If this is
8. ## word problem, please

Joe has scored 84, 89, and 90 on his first three exams in his math class. If the standard 70,80,90 scale is used for grades and the exams are equally weighted, what must he score on the final exam, f, in order to a) Get a C average on exams? f b) Get a B
9. ## Math...Algebra :S

Hi, okay um. I'm trying to get his math question (Algebra :o) and i'm not quite sure what i'm doing---but everything i do, i get the wrong answer. The Question is 2m+n M= 2/5 and n= 1/2 (Fractions) Everytime i do the question, i get 9/10 as a answer...but
10. ## word problem, Im lost on how to set this up

Joe has scored 84, 89, and 90 on his first three exams in his math class. If the standard 70,80,90 scale is used for grades and the exams are equally weighted, what must he score on the final exam, f, in order to a) Get a C average on exams? f b) Get a B
11. ## Statistics

A teacher gives a reading skills test to a third-grade class of n = 25 at the beginning of the school year. To evaluate the changes that occur during the year, students are tested again at the end of the year. Their test scores showed an average
12. ## chemistry

AgCl Ag^+ + Cl^- NaCl ==> Na^+ + Cl^- Ksp = (Ag^+)(Cl^-) = 1.8 x 10^-10 Let S = solubility of AgCl, then (Ag^+) = S (Cl^-) = S+0.01 Solve for S. Note: A similar problem to this post (0.1 M NaCl instead of 0.01 M NaCl) was on a couple of days ago; the one
13. ## Leadership

Deliverable Length: 1000-1200 words You are excited about your new position as compliance officer at ECG because this is your first role as a member of a senior executive team. You have the enviable opportunity to be a critical part of ECG’s growth as
14. ## math

4th grade math homework. rounding sums and differences. paper say "round each number to its highest place. then estimate the sum or difference." example says 92 +28= then says round to 90 and 30 to make 120. further down numbers get larger 12646 + 9103= do
15. ## GRAMMAR

Subject-verb agreement 1a. Did you know a famous animal-rights activist has criticized horseracing because of the dangers involved? 1b. Did you know a famous animal-rights activist have criticized horseracing because of the dangers involved? I chose b
16. ## History

How does the story of the pandavas in the mahabharata relate to aryan history? the story provides a sense of the battles between rival aryan tribes the story shows us the aryan concept of the ideal king the story reveals that the aryans believed that duty
17. ## to writeacher

The Pines 1. does that mean that he knows the woods in and out? is that what your trying to say? 2. i don't understand exactly what the contradiction is try to tell us also, the mood is still unclear to me but i am thinking it might be related to that poem
18. ## math , steve or damon pls

for questions 15 and 16, multiply. write in scientific notation (9x10^4)(8x10^6) 7.2x10^25 1.7x10^11 7.2x10^11 1.7x10^25 (1.7x10^-4)(5x10^-5) 8.5x10^-9 8.5x10^20 6.7x10^-9 6.7x10^20 for 15 I'm thinking it is c and 16 could be A pls check my work and
19. ## Radicals and Trig.

I am catching up over summer on math units that I have to rewrite. In my textbook it asks me to find the base of two triangles and add them together. the smallest angle of the larger triangle is 30 degrees. The opposite side to the angle is 40cm. it gives
20. ## english

I wrote this for my class and I just want to make sure I have it right. The role of education plays a very big part in the financial world. It's a big part of becoming successful. It can help with learning basic math skills in order to better your
21. ## organic chem easy question

How many hydrogen do you have to replace to get each of these products from 1-chlorbutane products are : 1,1-dichlorobutane 1,2-dichlorobutane 1,3-dichlorobutane 1,4-dichlorobutane IT is easy. What is your thinking on it? 1,2-dichlorobutane
22. ## Basic Calculus-Optimization Problems

Hello, please help me. There is a question where I have to optimize the area of a field that is being fence in like this: [|] i.e. two rectangle fields, side by side: area= 2x by y. I get to use 200ft of fencing. From that diagram and the amount of fencing
23. ## Math

How do I get the common multiple of 12, 20, and 35? I am not sure I understand the process. I have 18 toy vans I give7 to lexiev. and 2 to kaitlynne how many do I stil have The common multiple is the number that can be divided evenly by all three numbers.

49. ## chemistry

Use kinetic molecular theory to explain why approximating ideal behavior (PV=nRT) is fairly accurate only at low pressures and high temperatures. Use several concepts of kinetic molecular theory, not just math, to explain.
50. ## math

Marla has three secret code cards. The first shows a 37. The second card has the first box blanked out, and the second box is a 2. The two code cards together equal the third card,which is 59. What is the missing number?. This is the word problem for 2nd
51. ## Math

Sarah was trying to figure out her grades for her math course. She only knew the grade of 4 of the tests she had taken, however the class had taken 5 tests total. She scored a 94, 67, 83, and 93. If Sarah ended up with a grade of 90, what did she get on
52. ## fundamentals math

A standard math test was given to 6000 students. The scores were normally distributed with a mean of 420 and a standard deviation of 40. If george scored 340, how many students scored more than George? This is hrd because I tried using calculator but
53. ## Division

A Story Is 81 Pages Long. Miku Will Read 9 Pages Each Day. How Many Days Will It Take Miku-San To Finish The Story? ___ Days. (Please Post The Correct Answer In Each Of My Math Problems)!
54. ## Math

OK a pattern has 1 small square 1 3/4 on all sides middle has 5 1/4 on all sides large has 8 3/4 on all sides. I did'ent know how to do this now she wants to make the pattern 2 1/2 times bigger and show what will be the new lengths of the sides of the
55. ## Algebra

Mr. Wright has a class of 15 students. He can spend $23 on each student to buy math supplies for the year. He first buys all of his students calculators, which costs a total of$69.45. After buying the calculators, how much does he have left to spend on
56. ## mat115

Need help with this math question and need to show work. A computer transmits 11 web pages in 4 seconds to a web server. A second commputer transmit 33 pages in 8 seconds to the server. are these two computers transmitting at the same speed. Yes or no and
57. ## Chemistry

Calculate the equilibrium concentrations of N2, H2, and NH3 present when a mixture that was initially 0.10M N2, 0.10 M H2, and 0.10 M NH3 comes to equilibrium at 500 degrees C. N2(g) + 3H2(g) 2NH3(g) Kc = 0.040 (at 500 degrees C) I'm getting confused with
58. ## math

Posted by question on Wednesday, July 22, 2009 at 4:56pm. solve 5/8x + 1/16x=7/16+= the solution is x=___ Responses math - Mr. L, Wednesday, July 22, 2009 at 7:23pm 5/8x is the same as 10/16x That should help my final answer would be 7/27 do i have it
59. ## Math repost for Jake

math - jake, Friday, December 7, 2007 at 2:06pm How many cats are in a small room if in each of the four corners a cat is sitting, and opposite each cat there sits 3 cats, and at each cat's tail a cat is sitting?
60. ## Math generic rectangles

Out of all problems this one I just don't know. I started it but I'm unsure .can someone help me please. Draw a generic rectangle to find each product. Then write a multiplication sentence with parenthesis for each one. 7 (1+11) So I am thinking the

75. ## science

help - is the father but becomes the mother and the fertilized eggs mature into well developed young in his pouch What is it? A seahorse Thanks drwls, I was thinking it was either the seahorse or the darwin frog? Should I go with the seahorse? Since the
76. ## URGENT! Last calculus question!

Hey! So, I was wondering if someone could answer this. I am mad studying for my exam and I still have a few questions left that I just don't have time to answer, and the assignment is due tomorrow. Thanks and here is the question: Use calculus and
77. ## ms.sue 5 grade math

1-Becky made 4 quarts of chicken noodle soup in a big pot, then served -cup bowls of soup to 6 people. How much soup is left in the pot? (1 qt = 4 c) A. none B. 1 qt 3 c C. 1 qt 1 c D. 3 c my son put answer (B) 2- A bedroom has the dimensions shown. What
78. ## math

help my daughter has a math problem and came to me for help, I am lost.... what is the gcf for the following trinomial? x^3-18x^2+28x I am assumming you are trying to factorise we can simply take out an x to give: x(x^2-18x+28) the quadratic will not
79. ## helpppppppp

I have this problem abouth math pre algebra this is my problem I have 3 number that makes a total of 11 I have 1 4 6=11 in each way has to came out 11 up down side across and I have 2 more blanck spaces total of 3 its big square need help and I cant use
80. ## algebra 1

in the equation 5x+y=-1,m= I will be happy to critique your work on this. Please note that we don't do students' homework for them. Once YOU have come up with attempts to answer YOUR questions, please re-post and let us know what you think. Then someone

88. ## mathematics

need help badly. this is the math problem. is the rate three-forth's cup of butter/ 3 eggs equivalent to the rate of 3 cups of butter/12 eggs? Please show the work so I can study this equation for my next problem. thanks kindly
89. ## Speech

Listening to your friend sincerely as they tell you about their day ( empathic listening)? Not anderstanding because of accent ( cultural barrier)? Take notes in class and studying then so you can paraphrase the information for a test. (Academic listening)
90. ## math

At 1:00 p.m., a car leaves a city and travels north at a rate of 55 mi/h. An hour later, a second car leaves the city and travels south at a rate of 60 mi/hr. At what time will the two cars be 285 miles apart We will be happy to critique your work or
91. ## Health

What is the correct denominator for calculating the cesarean section rate? A. The total number of discharges B. the total number of deaths for the period C. total number of deliveries for the period D. total surgeries number? I was thinking that the answer
92. ## 3rd Grade Math

I thought the simple answer would be 150-70=80 too but, the problem states that she has 70 more nickles than dimes. So, I was thinking that the answer would be 40 dimes and 110 nickles-which adds up to 150 and 110 is 70 more than 40 but, I don't know how
93. ## Geography

how does perception have an influence on land use decision making? -I know what perception means, did my research there, I understand how it can impact our thinking but how does it impact land use desision making? I have already looked it up so from
94. ## Chemistry

How long would it take for 2.2 x 10^-4 mol H2 to effuse through the same orifice as the 2.2x 10^-4 mol N2? (It takes 105s for N2 to effuse) I was thinking of setting up the equation like: sqroot(28.014gN2/mol / 2.016g H2/mol) = 3.728 What should I do next?
95. ## heat

a silver bar 0.125 meter long is subjected to a temperture change from 200 degree celsius to 100 degree celsius. What will be the lenght of the bar after the temperture change? I will be happy to critique your thinking and/or work on this question. Please
96. ## college,Business(Information Systems Strategy)

Part 1: Strategy Development Present and explain five key IT/IS initiatives that should form companyâ€™s (mobile industry company) 3-5 year IT/IS strategy. You should present this strategy using Earlâ€™s Risk & Return Portfolios taxonomy, then by
97. ## Math- VERY IMP. PLZZZ HELP!

Mrs Walsh is seeking legal advice. A friend of her recommended two law firms - Legal Eagles, which charges a consultation fee of $100 plus$40 per hour and A-1 Attorneys, which charges a consultation fee of \$60 per hour. A) Write an equation for the cost
98. ## Math

On a quiz a student answered 16 questions correctly. This was 80% of the questions on the quiz. How many questions were on the quiz? 6th grade math.
99. ## algebra

Jess ate 1/4 of a pizza.Jack ate 1/3 of the same pizza.Dennis ate 1/2 of the same pizza.Explain and show with math if this is possible?
100. ## Intro to Psychology

For each of the following descriptions, identify a possibLe underlying personality trait. 1) Jenny is described by her coworks as overly sensitive, critical, and impatient. Her family describes her as warm and supportive. 2) Matthew is describes by his