# Critical Thinking/Math

145,931 results, page 74

1. ### Math

Hi! I need help with the following math problem: A building has 4 columns, each of which is 15 ft high and has a circumference of 1 2/3 yards. 1. Find the lateral surface area of the 4 columns. 2. How much will it cost to paint the 4 columns if paint costs \$1.10 a square yard...
2. ### Math

Ms Boyd leads tha national math club at the middle school where she teaches. At the first club meetting of the school year ,60% of the students in attendance were boys.If there was one fewer girl then boy in attendance, how maby students attended the first club meeting
3. ### math grade 10 math

A map shows a main gas pipeline running straight from A(45,60) to B(65,40) a) Is the point C(63,54) on the branch pipeline? Explain your reasoning b) What is the shortest route for connecting point C to the main pipeline.Explain **OMGGGG PLZZZ HELPPP, THANK YOUUUUUU!!!!!!!!!!!
4. ### math

Math question. Two part. A am rifle bullet accelerates from 0 to 1000 m/s ( about 2240 MPH) in 1/1000 second when fired. What is the avg acceleration of the bullet in m/s2? If this rate of acceleration could be somehow maintained, how long would it take for the bullet to reach...
5. ### Math

Two students are playing a math game. The object of the game is to make the least possible number by arranging the given digits inside value bars on a card. In the first round, each player will use the digits 3, 5 and 7 to fill in the card. One student arranges the numbers on ...
6. ### Math

Hi Sorry I'm reposting this question, I think the answer that was provided was not correct because of the ambiguity of the original question but if I could have someone workout the question as written it would be much appreciated: See below discussion. 4x^3y^-2 / 2x^-1y^4 is ...
7. ### LAnguage arts

Are these correct Neither Jake nor Sue gets seasick. Are Jake and they ready with their math project? Every one of the students I spoke to said he/she liked his/her math class. If a person loses his/her jacket, he/she can check the lost and found. Each of the boys likes to go ...
8. ### MATH HELP PLS

19. Mr. Green teaches band, choir, and math. This year, he has 57 students that take at least one of his classes. He teaches band to 25 students. There are 48 students who take either band or choir or both. There are 9 students who take both math and choir with Mr. Green. Use ...
9. ### MATH

ok so I'm learning to solve problems like cos(x)=2 and sin(x)=5 I've wrapped my head around the process required to do so and I must say my brain is like @_@ mosh right now. Whenever I ask this question I never get a direct answer. I understand it's important to be able to ...
10. ### math

Hannah's grade on her last math test was 4 points more than Mark's grade. Write an expression for Hannah's grade, using m as a variable. Evaluate the expression if m=92.
11. ### math

summer graded 25 math papers in 30 minutes.larry graded 22 papers in 20 minutes.what is the difference in the number of papers they can grade in two hours?
12. ### Math

e Math Test: grandmother buys grandson a plastic bat & ball for a \$1.10. The bat cost a dollar more than the ball. How much did the ball cost?
13. ### statistics

suppose that 70% of all college students love math. in a random sample of 8 college students, let x be the number of students who love math.find p(x=6)

From my experience at the elementary school, I have gained insight knowledge of what happens inside a first grade classroom, such as the responsibilities that are involved with being a teacher, and the high demands of attention that is needed from students. I also learned how ...
15. ### 2 NDT grade math

Ok math smarties: Billy has 2 more green marbles than blue marbles. In all, he has 15 marbles. How many blue marbles does he have?
16. ### math

If a single letter is drawn from the set( matheics) what is the probability that the letter drawn is a member of the set (math)
17. ### math

a student earned a grade of 80% on a math test that had 20 problems. How many problems on this test did the student answer correctly?
18. ### math

my math homework tells me to find the area of a circle using it's circumference. the circumference given was. can someone explain to me how to find the area?
19. ### Math

Lenlen cut a rectangular block of cheese into cubes with an edge of 3cm each. The base area of the block is 36 cm squared. If the block is 6 cm high, how many cubes of cheese did Lenlen get in all? That is my math hw It needs an equation solution and answer
20. ### MATH

I have 2 questions the first I have narrowed down to 2 possible solutions the second has 3. What is the solution to log sub 5 (2x+3)=2 a)13/2 or b)14? The next problem f(x)= log sub 5 x what is the value of 1/25? a)square root of 2 b)-1/2 or c)1/2? Help is greatly appriciated...
21. ### English

I have completed this test and I missed 4 questions. My answers are submitted in blue, can you tell me which questions are wrong. 1.Having studied small engine repair in night school, fixing the lawn mower was easy. dangling modifier 2. When I asked for a submarine, the ...
22. ### math

Multiply. Use the lattice method. 277*32= I hope your teacher does not teach this method as a viable method for multiplication. A week ago Yahoo presented this method as a novelty and as a "math trick". This website explains and shows diagrams for multiplying using the lattice...
23. ### math, help

can someone give me suggestions i am learning how to graph linear equations with two variables. What are two methods of graphing lines? That include order pairs, axes,slope, and intercepts. Can some help me when you get a few minutes i'll appreciate it.... thanks a million ...
24. ### Math

Could someone please check my math questions? My answers are under the questions... 32. Six times a number less than ten is eight. Find the number. a. 1/3 b. 3 c. -1/3 d. -3 My Answer ~ b 33. Jane works at the public library after school. She makes \$7.00 per hour. She cannot ...
25. ### Math

I have three math problems that I have tried to solve but I do not think they are correct. Can someone please help me! 1. What is the product of 225 and 507? I came up with 225 x 507 = 114075 2. Divide by moving the decimal point. 10.5 ÷ 100 I came up with 0.105 to be the ...
26. ### Statistics

Your mathematics instructor claims that, over the years, 88% of his students have said that math is their favorite subject. In this year's class, however, only 21 out of 32 students named math as their favorite class. The teacher decides to conduct a test of the hypothesis H0...
27. ### Math- Math Analysis

In a rectangular piece of cardboard with a perimeter of 20ft, three parallel and equally spaces creases are made (so the piece is divided into four equal sections.) The cardboard is then folded to make a rectangular box with open square ends. a. Write a formula for the volume ...
28. ### Math

I am not exactly sure of what I'm supposed to do in the following question: Describe and correct the error, given the functions f(x)=3x - 5 and g(x)=1/3 - 4/3. The first equation is as follows: g(-3)= 1/3 - 4/3 (3) =1/3 - 4 = -3 2/3 The second equation is: f(1)= 1/3 - 4/3(1) =...
29. ### math-5

Tara spent 3 hours doing homework. She spent 1/3 of her time on math and 1/5 of her time on science. What is the total time Tara spent on her math and science homework?
30. ### math,mathguru

you asked me about how did i came up with my answer this is what i did: Write each fraction in simplest form. #18 (-5x^3y^3)/(-20xy^4) = (3X(-5)X(x)X(x)X(x)X(y)X(y)X(y))/(2X2X(-5)X(x)X(y)X(y)X(y)X(y)) = after canceling the common terms top and bottom i am left with = 3 and 2 ...
31. ### math

two students are playing a math game . the object of the game is to make the least possible number by arranging the given digits inside absolute value bars on a card . in the first round , each player will use the digits 3,5,and7 to fill in the card. One student arranges the ...
32. ### English

We have been looking at story openings in english. Could you take a look at my opening that I did for homework and give me some tips (and let me know if I have any huge grammatical mistakes). Here it is: It all started the day Jules McGregor moved to our school. I thought ...
33. ### math grids

please can someone help me with this math grid here is a grid with squares. you must place the numbers 1 through 8 in the squares, without consecutive numbers being placed next to each other in a row, a cloumn, or diagonally.so the number 3 cannot be placed next to the number ...
34. ### math (PLZ HELP ASAP)

The students asked their math teacher to tell them her age. She didn’t want to tell them, but she replied, “If you take two years from my present age the result will be three times my son’s age, and seven years ago my age was twice what his will be in two years.” How ...
35. ### Math

After a Math test, each of the twenty-five students in the class got a peek at the teacher's grade sheet. Each student noticed five A's. No student saw all the grades and no student saw his or her own grade. What is the minimum number of students who scored A on the test? 6?
36. ### math

the length of a rectangle is 1 cm less than twice its width. the area is 28 cm squared. find the dimensions of the rectangle. Just translate the English into "math" "the length of a rectangle is 1 cm less than twice its width" l=2w-1 "the area is 28" w(2w-1) = 28 solve as a ...
37. ### Math Formula Part 2/3

I've done the second part to the Math Formula post. It was determine the 19th term of the sequence which I did. Now it says..which of the numbers -268 and -350 are terms of the sequence? I was doing something like this: tn = -7 (-268) +19 I was plugging -268 as n. But that ...
38. ### math

can u please help me with this math problem. i don't get how to do this question. Mrs. Mabie has a rectangle swimming pool that measures 25 feet by 14 feet. She wants to have a cement walkway installed around the perimeter of the pool. The combined area of the pool and walkway...
39. ### math

21. Ted Williams made deposits of \$500 at the end of each year for eight years. The rate is 8% compounded annually. Using the tables in the Business Math Handbook that accompanies the course textbook, calculate the value of Ted's annuity at the end of eight years. A. \$4,318.30...
40. ### math

Mike completed 19 math problems before dinner for tonight’s homework, and he completed x problems after dinner. Write an expression to determine the total number of problems he completed.
41. ### basic math

I am not sure the solvent in this problem, as far as what you do when lining this problem up. The math problem..... Add 150 and 93.17. I don't know if I should be placing 150 at the first decimal or the second. I know I would usually do 150.00 93.17 but the 2nd decimal is ...
42. ### Math Repost for Mecca

Math - mecca, Wednesday, October 24, 2007 at 9:20pm Lauren has collected 150 nickels and dimes. She has 70 more nickels than dimes. How many nickels and how many dimes
43. ### Math

Darryl bought a surfboard from Wave Bye-Bye that was on sale for \$140. The original price was \$280. What fraction off was the discount? Wouldn't it have been 50% off if 140 is half of 280? unless it's a trick question... Mabey I guess I will put that. Thank you for your help. ...
44. ### Stats Repost

Your mathematics instructor claims that, over the years, 88% of his students have said that math is their favorite subject. In this year's class, however, only 21 out of 32 students named math as their favorite class. The teacher decides to conduct a test of the hypothesis H0...
45. ### Math

Hey can someone review my math and see if i did it correctly? The math question is: Choose one product from your business and determine the markup and gross profit for it. Assume that the retail price of the product is \$85, the cost is \$47, and the expenses are \$13. Then using...
46. ### Math, Algebra

So I've tried for two days to figure out this problem. I tried to ask my friend to help me but she just won't. My parents don't know anything about math, they said so themselves. The first day I tried I cried I got so frustrated. The second day I just gave up. Today is my last...
47. ### Math

I really need a math dictionary... I need the following definitions Please: point line intersecting lines parallel lines vertical lines horizontal lines acute angle obtuse angle right angle square rectangle trapezoid rhombus pentagon hexagon octagon triangle circle chord ...
48. ### math

My 3rd grader brought home a math worksheet and I'm not sure about the answers, so I wanted another opinion. Estimate each sun or difference by rounding. 23 + 71 so, do you answer the prblem and then write the rounded numbers to the right or do you just round the answer? I ...
49. ### help asap gov't

We have held that a liberty interest protected under the Due Process Clause of the Fourteenth Amendment will be deemed fundamental if it is "implicit in the concept of ordered liberty." Palko v. Connecticut... In construing the phrase "liberty" incorporated in the Due Process ...
50. ### statistics

In a group of 100 students, 60 are taking math and 12 are taking English, but no one is taking both. What is the probability that a randomly selected student from this group is taking either math or English?
51. ### Math

Marie has scores of 65,72,80,74, and 85 on five math tests. The final will count as two tests in determining each students overall average. What score must Marie get on the final if she wants her overall average to Ben 80?
52. ### math/ chemistry

so I have this chemistry problem which involves math and basically I need to convert 62 g/mol into mol/L but I don't know how. like do you DIVIDE the g/mol by 1000 to convert g to L? and then how to you get the mol to become the numerator?
53. ### Math

when only tom was absent 19 students in his class took a math test and their average score was 82%.when tom came back to school he took the test and got a 72% .what happened to the class average

Which job i can get choosing dis subject MATH LIT,ECONOMICS,BUSINESS STUDY AND TOURISM
55. ### Math

The density if a sample is 5.8g/cm^3. the sample fills a cylindrical container whose hieght is 10.2 cm and whose radius is 4.3cm Find the mass of the sample. Mason, I'm sure the reason you haven't received any responses yet is that you haven't indicated what YOU think the ...
56. ### Stats

Suppose the correlation between SAT Verbal scores and Math scores is 0.57 and that these scores are normally distributed. If a student's Verbal score places her at the 90th percentile, at what percentile would you predict her Math score to be?
57. ### math

I have a couple of math questions that i cant seem to get to work out. can someone help me please.? 1.) (x/x+6)-(6/x-6)=(x^2+36)/(x^2-36) 2.) (r-2)-(2-r)=0 3.) add (8/ty^2)+(9/t^2y) 4.)add (7/w)+(8/w^2) 5.)add ((r+10)/r)+(r/(r+10)) 6.) divide ((z^2-1)/16z+16) / ((z-1)/4) 7.) ...
58. ### Math

The 13-member math club needs to choose a student government representative. They decide that the representative, who will be chosen at random, CANNOT be any of the 3 officers of the club. What is the probability that Samara, who is a member of the club but NOT an officer will...
59. ### math

An art student wants to make a model of the classroom. The length of the classroom is 2.4 times its width. The length of the students model is 42 in. What should the width of the model be? a. 17.5 in b. 20.5 in c. 83.6 in d. 100.8 in Use mental math to determine the solution x...

I am a mom trying to help my child with their math HW. But this question has us stumped. I've seen it posted before but no real explanation was offered. Please provide EXPLANATION, not just answers. Q: Make up a list of data with the following landmarks: Mode: 15 Min: 5 Median...
61. ### English passage interpretation

A student and I disagree with her AP English teacher about the author's purpose in this passage. Does the author intend this to show the wild, animistic nature of the swamp or is it intended to show the swamp as negative and repulsive? Of course, the student will rewrite her ...
62. ### Math

Post a New QuestionCurrent Questions Homework Help: Math Posted by Mikil on Wednesday, September 23, 2015 at 6:50pm. Write a linear equation in slope intercept form for each of the following: A line perpendicular to y=x+2 that passes through the origin. A line perpendicular to...
63. ### bobpursly,.math

Ok, assume it equals zero. 2x + 3y -6=0 subtract 3y from each side. add six to each side. divide both sides by two. its how its in the book i'm suppost to solve for x. but how? How do I solve for the following: Directions solve each literal equation for the individual variable...
64. ### Math 7 - NYS Math Exam Review - Book 1 (HW)

C = 2nr!?!??!??! Since the NYS Math Exam is coming up (in my district in my school we have it next week). You see in my class were not done with our geometry and ratio, proportion unit and plus we are missing one unit: algebra. We didn't get to solving the formulas. Ratio and ...
65. ### english literature

hi i have written a review below but its word limit is very high. please help me reduce it to around 200 words or a bit more. thanks in advance. 1. Introduction: Overwhelmed by political intrigue, confronted by a world adversarial to moral sensibilities, the play dramatizes ...
66. ### english literature

hi i have written a review below but its word limit is very high. please help me reduce it to around 200 words or a bit more. thanks in advance. 1. Introduction: Overwhelmed by political intrigue, confronted by a world adversarial to moral sensibilities, the play dramatizes ...
67. ### math

trying to verify the volume of a rectanguler prism h=10 inches w=2 and the formula to find the volume is l.w.h not a math genius just trying to make sure i am calculating this correctly to find the lengh we had to divide the width of the prism so 2 inches divided by 4 =0.5 ...
68. ### math

I am helping my 3rd grader with a her math and me and my boyfriend can not agree on the answer to this question..can anyone give the answer and tell how to solve it. THANK YOU! Darin counted 46 more cars than trucks in a parking lot. There were 29 trucks. Write an expression ...
69. ### math

trying to verify the volume of a rectanguler prism h=10 inches w=2 and the formula to find the volume is l.w.h not a math genius just trying to make sure i am calculating this correctly to find the lengh we had to divide the width of the prism so 2 inches divided by 4 =0.5 ...
70. ### MATH

Englewood averaged 17 problems right on the math decathlon. Avalon Park Elementary scored an average of 14 problems right. Which equation show the difference, (d) between the averaged points scored by the Engelwood and Avalon Park? a. d=17x14 b. d=17-14 c. d=17+14 d. d=14 ...
71. ### Math

Solve the following problem taken from Treviso Arithmetic, a math textbook published in 1478 by an unknown Italian author: A man finds a purse with an unknown number of ducats in it. After he spends 1/4, 1/5 and 1/6 of the amount, 9 ducats remain. It is required to find out ...
72. ### math

Anxious Billy Bob pulled out his math recording sheet and saw the following scores 54,62,65,68,70,70,78,82,84 A. He want to calculate his average.Which measure of center is the average?compute it ? I have this :The measure of center is the average, mean 633/9=70.33=about 70% B...
73. ### math

I have a math problem where I am trying to carpet a hallway of an irregular shape.The cost of the carpet is \$ 10.80 a sq.yd. How many square yds. will I need? I also need to know the perimeter for string molding. Can you help me. The measurements are 6ft,2ft,3ft,8ft,8ft,1ft,...
74. ### MATH

rying to verify the volume of a rectanguler prism h=10 inches w=2 and the formula to find the volume is l.w.h not a math genius just trying to make sure i am calculating this correctly to find the lengh we had to divide the width of the prism so 2 inches divided by 4 =0.5 ...
75. ### math

what would be the equation for this math problem so i can figure it out In a basketball game, the Squirrels scored a total of 103 points and made 3 times as many field goals ( 2 points each) as free throws (1 point each). They also made eleven three point baskets. How many ...
76. ### Math(Quick question)

The function D(h)=7e^-0.4(h) can be used to determine the milligrams D of a certain drug in a patient's bloodstream h hours after the drug has been given. How many milligrams will be present after 9 hours. Round three decimal places. so 7e^(-0.4 x 9) = .191 To get this answer ...
77. ### math

I am not great at math, but i am practicing slowly... Joanne’s odometer read 25,230 miles at the beginning of a trip and 27,215 miles at the end. If she used 35 gal of gas for the trip, what was her mileage (? mi/gal) now do I subtract 25, 230 from 27,215 and then divide 35?
78. ### math

while waiting in the checkout line at the grocery store you add the prices up of your 3 items to make sure you have enough money.explain how to use mental math and the properties of addition to find the total costs of 3 items if the prices are \$1.85, \$2.74, \$4.15. find the ...
79. ### Math

For this math problem I am selling 30 pies for \$25 each at the farmers market. I spent \$500. \$200 on the booth and \$300 on all of the pies, each pie costing \$10 to make. I earned \$750 total, making a \$250 profit. c. In Task 1 you determined how much you will charge for each ...
80. ### Math

I am tring to finish my 10th grade. I got hurt last Jan. 2007. And was force to quit public school. In short of every. I started online schooling and I have to write an essay for a final grade in Math compare three college to each other and make a graph telling which school ...
81. ### 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.
82. ### math

Urban Community College is planning to offer courses in Finite Math, Applied Calculus, and Computer Methods. Each section of Finite Math has 40 students and earns the college \$40,000 in revenue. Each section of Applied Calculus has 40 students and earns the college \$60,000, ...
83. ### Math

All 500 students at Robinson Junior High were surveyed to find their favorite sport. How many more students played football than basketball? Soccer has 10% Basketball has 27% Baseball has 25% Football has 38% A.325 students B. 135 students C. 190 students D. 55 students Im ...
84. ### Math

Math 10 pre calc chpt 1 In a basement renovation, the contractor measured the length of a wall in a square room as 18ft.4in. The width of the doorway is 3 ft. The contractor plans to place wood trim along the bottom of each wall. The trim costs 1.69/ft. What is the cost of the...
85. ### political science

POSC 20 Fall 2006 Professor Cherif Paper Guidelines Write a double-spaced five page paper (using standard 12 point type font and 1-1.25 in. margins) on the topic below. Papers must be submitted both in paper format and must be uploaded to Safe Assignment through iLearn. No ...
86. ### Math

Paul was given this math problem on a test to simplify: 1/4 + (5/8 + 1/2). after calculating, Paul mistakenly simplified to 9/32 as his final answer In which step did Paul make his first error? Show your work! My work Paul's work 1/4 /9/8 1/4 /(5/8 + 4/8) 1/4 x 8/9 1/4 + 8/9 ...
87. ### math

) A wierd number is a number that is the product of two consecutive primes, such as 7x11=77 . What is the least common multiple of the 5 smallest wierd number 7) According to an ancient belief, when a friend visits a sick person, 1/70 of his sickness is taken away. What is the...

In the fall of 2000, 54% of the almost 34,000 first-year students attending one of the California State Universities had strong enough math skills to take an entry level course. 1)Based on a sample of 20 students, can we assume our calculations will be accurate? My answer is: ...
89. ### math

the cost of 2 televisions and 3 dvd players cost 1421 dollars the cost of 1 dvd player is half the cost of of 1 television what is the cost of 1 television. How you could slove in simple math
90. ### Math

Hello everyone. I have one hard math problem and I do not know how to solve it. would you help me to solve this problem? Thank you An 11[times]11[times]11 wooden cube is formed by gluing together 11[cubed] unit cubes. what is the gratest number of unit cubes that cam be seen ...
91. ### please check over- finished essay

January 20, 2009 is a date that will not soon be forgotten. On that day, former Senator Barack Hussein Obama was inaugurated the forty-forth president of our great country, the United States of America. His inauguration will forever hold a place in our nation’s history. On ...
92. ### english

I wrote an essay because i'm apply to get into the honor's program. I'm supposed to write about who i was, who i am now, and who I would like to be. I would appreciate it if I got some feed back along with grammar correction. Is my essay even close to being okay or does it ...
93. ### math

3(4u-6)=2(4u-3)-(u-8) what is u 12u-18=8u-6-u+8 Can you take it from here? so I would have combine like terms then add right? what about 3(n-2)-2(3-n)=4(n-3) same thing...use distributive property to multiply, do the operations, solve for n give it a try... u could be "any" ...
94. ### Math

The mean of Susan's math and science scores is 74 points. The mean of her math and English scores is 83 points. How many more points did Susan score in English than in science?
95. ### English

I have a few questions that I'm stuck on. 1. Identify how the pronoun is used in the sentence. Just today Terry bought a picture for her. direct object indirect object object of a preposition*** (I think this is the answer because of the preposition for her, Terry is the one ...
96. ### Math

Hello everyone. I have a math problem I am somewhat stuck on and need help a little please. Write a problem that can be solved using the equation: 9x + 14 = 100 A. 9 dogs and 14 cats cost \$100.00 B. Ty wants to buy 14 dogs, but they cost \$100, how much more does he need? C. Ty...