Critical Thinking/Math
144,581 results, page 71

Math please help
There was a surge in math club membership after the fun Halloween party. When the principal asked Mrs. Germain how many students were currently in the club, she replied, "Three times our number plus a third of our number plus a fourth of our number plus you and me is two ... 
Math
math forms for construction are made of cement like the one shown. this one has a hollow cylindrical center. what is the total volume of the form? use 3.14 as an approximation for pi. round answer to nearest tenth. Diameter for cylinder is 0.5 ft Width for cube is 1 ft Length ... 
English
I posted this yesterday, that I need to modernize an Ancient Greek myth. bobpursely replied with an idea that I could do the Siren sisters as cheerleaders, but I couldn't find a myth about them, they're in two different myths. Like I've been thinking of myths such as Hercules'... 
math
i really need to know what.... 4 to the power of 77 is... 477 = 2.28360 x 1046 according to my calculator. i don't know how to do factors with two digit numbers. Please click Post a New Question, put Math in the subject line, and post your question. It would help if you gave ... 
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^318x^2+28x I am assumming you are trying to factorise we can simply take out an x to give: x(x^218x+28) the quadratic will not factorise simply but if ... 
math
on a tv game show, the contestant is asked to select a door and then is rewrded with the prize behind the door selected. if the doors can be selected with equal probability, what is the expected value of the selection if the three doors have behind them a 40 thousand dollar ... 
math
every row and column contains the same numbers and the same math signs, but they are arranged in a different order each time. can you find the correct order to arrive at the finals totals shown. only using 4 8 3 5 and * +  to make 31 15 20 21 9 17 11 27 ...but you only can ... 
math
every row and column contains the same numbers and the same math signs, but they are arranged in a different order each time. can you find the correct order to arrive at the finals totals shown. only using 4 8 3 5 and * +  to make 31 15 20 21 9 17 11 27 ...but you only can ... 
math
every row and column contains the same numbers and the same math signs, but they are arranged in a different order each time. can you find the correct order to arrive at the finals totals shown. only using 4 8 3 5 and * +  to make 31 15 20 21 9 17 11 27 ...but you only can ... 
bridge
Mr. Feng conducted five math tests. Trinity had completed four tests and scored 79, 78, 82, and 75. She wanted to achieve an average of 80% in her math tests. Write an inequality to find the minimum score Trinity can make on the fifth test in order to score an 80% for all the ... 
outline
I need help on constructing a persuasive speech outline. Do you know a good website that will show me how to do this? Thanks. Persuasion and argument are almost the same thing. The principles for writing an argument (essay or speech) are the same. http://www.powa.org/argument/... 
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 
Math
Posted by Lance on Friday, April 27, 2007 at 9:47pm in response to math. please give us one set of numbers so we can work an example for you. What was the percentage increase in motor vehicle production in countries outside the United States from 1950 – 1997? 1950 10,577 ... 
Math
I need to figure out how to make graphs on a computer for a math project. Any help? I need to make histograms, back to back boxplots, and back to back stemplots. 
math
alan scored a total of 14 points for answering all 15 questions on a math quiz for every correctly answered question alan got 2 points for every wrong ahe lost 2 points how many questions did he answer correclty 
math
alan scored a total of 14 points for answering all 15 questions on a math quiz for every correctly answered question alan got 2 points for every wrong ahe lost 2 points how many questions did he answer correclty 
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 
Math lit,life sciences,bussiness study,geography
Im in grade 10 and im doing math literacy,life sciences,business study,geography,life orientation,english and isizulu,what career path do i need to follow?im literaly lost. 
Math
The names of the students in Mr. Hayes' math class are written on the board. Mr. Hayes writes each name on an index card and shuffles the cards. Each day he randomly draws a card and the chosen student explains a math problem at the board. What is the probability that Ryan is ... 
chemistry
If a chemistry student collected 825 mL of gas at 25 degrees C and 7.90*10^2torr, how many moles did she collect? PV=nRT Put P in atmospheres. torr/760 = atm. V is volume (in LITERS.) solve for n, the number of mols. R is a constant of 0.08206 L*atm/mol*K T is temperature in ... 
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? 
Math (Very Easy Math)
I'm kind of confused as to what simplified mean? Can you please provide me with a definiton... Like I'm kind of stumped as to what one is more simplified 7(2x + 3) or 14x 21 Please explain what it mean for an expression to be "simplified" 
Math
A recipe for a special sauce calls for 4/5 of a cup of ginger and 1 1/4 cups of pineapple juice. How many cups of ginger would you need if 3 cups of pineapple juice are poured into the mixture? Math PLEASE HELP IT'S URGENT!!!!! 
Math (money)
HIII!!! I NEED HELP ON MATH! PLEASE HELP! Melissa has spent $17 so far on gifts. The additional amount she will spend will be more than $8. What are the possible total amount she will spent? Use c for the total amount (in dollars) she will spend. 
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!!!!!!!!!!! 
math
For more than 4000 years the Great Pyramid of Giza stood as the tallest structure in the world. After it was completed, the pyramid stood an amazing 481 feet high. Y 9 th. grade math Semester Project: The Great Pyramid of Giza 
Sociology
Please check my answers. My answers have * by them. 1. In _______, citizenship in the society automatically makes a person a member of the religion. A. churches* B. sects C. ecclesia D. cults 2. Jews, Christians, and Muslims all believe in one God who, as creator of the ... 
Algebra
I am a parent trying help my son, who has trouble understanding and remembering how to work his math. I never had this math, so it is hard for me to explain it. If I see it worked out. Then I can explain it, (I, Think) here is the problems. A ball is tossed into the air and it... 
MATH CHECK ANSWERS
CHECK THESE MATH ANSWERS PLEASE 1. There are 18 boys and 12 girls in a math class.what is the ratio of girls to total students? A.18:30 B.12:30(I PICK THIS) C.30:12 D.30:18 2.which of the following ratios are equivalent to 6:9? Choose all that apply. A.3:2 B.18/27 C.30:45 D.24... 
MATH CHECK ANSWERS
CHECK THESE MATH ANSWERS PLEASE 1. There are 18 boys and 12 girls in a math class.what is the ratio of girls to total students? A.18:30 B.12:30(I PICK THIS) C.30:12 D.30:18 2.which of the following ratios are equivalent to 6:9? Choose all that apply. A.3:2 B.18/27 C.30:45 D.24... 
math
Robert's acct p $98.50 has been delinquent for three months. Office procedures charge a 2% service charge after 90 days componded monthly and is added to future bills. What will be the amount owed after nine months? I did $98.50 x 2% = $1.97 $1.97 x 6months = $11.82 $98.50+ $... 
Math
Hello I was wondering if you can help me with some math. I cant figure this problem and when my friend helped me they came up with a different answer. The question is find the surface area of the cylinder. The radius is 8 and the height is 8. Use 3.14 for pi and round to the ... 
Math (5th grade)
There are 8 more girls than boys in the Math Club. The club has 44 memebers. How many boys and how many girls are in the club? Show your work. 
math
on her first two math tests, Gracie has an average score of 86. If she got a score of 92 on the first test, what is her score on the second test? 
eth
how do you think slavery influenced the evolution of both black and white america today? is there any websites that might help me with this question? As I was starting to answer your question, I had a conversation with BobPursley. He has summed this answer up better than I ... 
Fifth Grade Math
How do you explain how to do this math problem to a child? 7/10 of the U.S. population (175,104,000)in 1991 believed saying A to be true. What is the total population? We are trying to find what the whole population total is. They have given us 7/10 or 1755,104,00. How do we ... 
Math Reiny can you help me with this question
I know how to do the work, but the way the question is worded I am not sure the answer. The math works comes out to 2 which is b but if you want the number less than 2 the answer is c. Which are they asking for . This is my work. Which is the value is in the solution set for... 
3rd grade math
Carl shades a row on a multiplication table. The products in the row are all even. The ones digits in the products repeat 0,4,8,2,6. What row does Carl shade? Now I am awful at math and don't even begin to understand this question!! Please help 
mathcalculus
30/x^225 = 3/x52/x+5 i be left with 30 = 3x^2752x^2+50 i not sure what to do? i use the quadratic formula? mathcalculus  Steve, Saturday, January 7, 2012 at 3:38pm First, you have to simplify properly: 30/(x^225) = 3/(x5)  2/(x+5) 30 = 3(x+5)  2(x5) You were ok ... 
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) 
English Grammar
Which sentence uses proper grammar? I'm bored by math class. Or I'm bored of math class. 
math
I need help with Lesson 11: Tools of Geometry Unit Test Essential Math 6 B Unit 2: Tools of Geometry 
Math
Lisa finished 21 out of her 30 problems in class. What percent of the math problems did Lisa finish in class? 
math
The mean score on a Math exam was 50% and the standard deviation was 10%. Assume the results were normally distributed. (a) What percent of students earned a score between 50% and 70%? (b) If 60 students took the exam, how many got a score between 50% and 70%? 
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... 
science
I was curious about formaldehyde after reading somewhere online where this man went and drank a beer which was apparently contaminated by by formaldehyde. (He heard a story by some local that the water used was near a cemetery and thus the contaminated water) I have heard and ... 
math
in a grade 7 class, 36 students are either members of the math club or science club or both. 10 students are members of both clubs. if 31 students are members of the math club how many are members of the science club? 
Please Help Me With My Math Homework
I wrote my math homework questions. It's in Jiskha Homework Help Forum In: Name:Tanisha Subject:Math Thank You! I already replied, you don't need to make a new question asking someone to answer...... Thanks for the answer! It was a good help! the product of 7_ ,4_ , and 1_ IS... 
math
I was wondering if someone could help guide me with this problem.. math is my worst subject... I would appreciate it definately, thank you.. 3 1/5 divided by 7/8 x 2/3= I think I am making it too hard on myself... my first step would be to change the mixed into an improper ... 
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, ... 
math
Solve following system of equations? x+3z=2 2x+2y+z=4 3x+y2z=5 i need help with few so i can get hang of this math plz. Perform row operations write new matrix [132 312 211 073] R1+R2 using x,yand z variables write system linear equations represented by matrix [702 0174... 
Last Math problem I promise
a cellular phone company offers a contract for which the cost C, in dollars of t minutes of telephoning is given c=0.25(t300)+65.95 where it is assumed that t >== 300 minutes what times will keep costs between 106.20 and 139.20? I am already lost at word problems... please... 
math
On a T.v. game show a contestant is asked to select a door and then is rewarded with the prize behind the door selected. If the doors can be selected with equal probability what is the expected value of the selection if the three doors behind them have $40000 foreign car, a $3... 
MATH PLEASE HELP
Anna mixes the letters S, E, L, E, C, T, E and D thoroughly, without looking, Mary draws one letter. Expressed as a fraction, decimal, and percentage, what is the probability that E will not be the letter mary selects A 3/8 0.375 37.5% B 8/5 1.6 16% C 5/8 0.625 62.5% D 8/3 2.... 
math
What is the definition for an EXPRESSION ? An expression in English can be a short sentence, or a sentence fragment. Take a hike. Go figure. What's up? Whatever. In math, an expression is again a fragment, it can be complete or not complete. 2x + 1 Sin^2(2x) + 2 e^(2x + ... 
HSPA
In my school, I have to pass the HSPA in order to graduate. We had to take the Language and Math HSPA in March. In order for a student to pass the HSPA, you have to get a score of 200 or more on both parts. I received exactly a 200 on the Language part of the HSPA which mean I... 
math5
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? 
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 ... 
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 resistance. Find thr time ... 
Math
Hi. This is my question: An art student wants to make a string collage by connecting six equally spaced points on the circumference of a circle to its center with string. What would be the radian measure of the angle between two adjacent pieces of string, in simplest form? ... 
Grade 12 Data Management math
I'm doing math through correspondence so material is not explained very well. I would appreciate if someone could explain this to me. This lesson is review of set theory and first degree equations. Indicate whether each of the following statements is true or false. If the ... 
English
Can some check my personal narrative and give a grade from 15? Mario Garcia 101011 Period.3 The Lost Dog I didn’t feel like helping my sister wash my dad’s car. After our dog left this morning we were both sad, we didn’t feel like doing anything but to just search for... 
math confused
it took marty 42 min to write a book report. then he spent 18 min correcting this report. explain how can you use mental math to find how long marty spent on his report? 
Math
The 13member 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... 
Math
In math class, a student has an average grade of 85% for five tests so far. What grade must that student earn on the next test to reach an average grade of 90% for all six tests? 
High School Math
I'm helping my little sister in her math homework. I just got stuck in this problem. Can anyone please help us out. I'm guessing it's letter C. Am I correct? A small company borrows $50,000 at 11% compounded monthly. The loan is due in 4 years. How much interest will the ... 
science  chemistry
Hi everyone, I have been trying to solve these two questions but am having trouble doing so and was wondering if someone could help me out. (1) You wish to make a 0.200 mol/L PIPES buffer (PIPES: 1,4PiperazineN,N'bis(2ethanesulfonic acid), C8H18N2O6S2, pKa = 6.80) at a pH... 
Math
I need need help with this math problem. I need to know do I start from left to right with the parentheses or brackets first. (155)/[(12/2*2)2] Brackets first Work from the outside in. When you wrote 12/2*2, it is not clear whether you mean 12/(2*2) or (12/2)*2. If you meant... 
grammar
WERE DO YOU LEAVE COMMANTS? DO YOU KNOW ANY PLACE IN CALIFORNA/ TEMECULA WERE THRE IS FREE TUTORING?ARE YOU TEACHER? IF YES FROM WHAT SCHOOL? DO YOU ALSO TEACH OR TUTOR MATH? IF YES THEN I NEED SOME HELP AND TIPS IN MATH. DO YOU ALSO TEACH SCIENCE?I ALSO NEED SOME HELP ON THAT... 
Math percentage
I don't really understand percentages grade 6 math. 1.60% discount on a 7$ 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 population would be 225... 
math
whatis the effective rate of $23,000 invested for one year at 6%, compounded semiannually? round your answer to the nearest tenth. could you help me with this one? i need to see the math worked out please. do you have one worked out on the page so i don't have to wait too long. 
Math
3.Max says there were 6 students wearing shorts in his math class. He is not sure how many people were in the class, total, but he thinks about one third of them were wearing shorts. A. What percent is closest to 1/3 ? Explain. B.Write and solve a proportion below, to estimate... 
Chemistry
Thinking about the uses of radioactive isotopes, which statement is true? A. The iodine isotope, I27, is used to diagnose thyroid disorders. B. Radiation may be detected because it ionizes the atoms it affects. C. It’s clearly understood that irradiating food kills bacteria... 
Chemistry!! Please Help!
A 0.285 M solution of the sodium salt, NaA, of the weak monoprotic acid, HA, has a pH of 9.65. Calculate Ka for the acid HA. I think I am having issues with the equation and then the math part. I figured out what 'x' was from the pH, which I believe is 2.2x10^10, but when I ... 
math
John's account of 98.50 has been delinquent for 3 mnths. After 90 days office charges a 2% service charge, compounded monthly that is added to future bills. What would be the amount owed after nine months? My math is 98.50 x 0.02= 1.97 1.97 x 12months =23.64 Take 3months off ... 
math
I suggest you Google each of these people. You can search for the name bio Or you can search for the name height weight. for math i have to do a graph of some sort, so i chose to do a graph of famous ppls heights and weights, so i was wondering do you know like mary careys ... 
Math
Janice wants to know the total number of games won by the Denver Nuggets basketball team over the three seasons shown in the table. What expression should she simplify? Explain how she can use mental math and the properties (Associative, Commutative, Distributive, or Identity)... 
Chemistry
Ethanol boils at a temp. of 78.29 degrees C. What amount of energy, in joules, is necessary to heat to boiling and then completely vaporize a 23 g sample of ethanol initially at 12 degrees C? I know that the molar enthalpy heat of vaporization is 35.56 kJ/mol and the specific ... 
math
hi i will ask u in math :) in (( distance between two points )) * three vertices of rectanglr WXYZ are W (4,3), X (1,3), and Y (1,1), what sre the coordinates of Z ? ** two adjacent vertices of a square have coordinates (1,3) and (1,0), what are the possible coordinates ... 
math
John's account of 98.50 has been delinquent for 3 months. After 90 days office charges a 2% service charge, compounded monthly that is added to future bills. What would be the amount owed after 9 months? My math is 98.50 x 0.02 = 1.97 1.97 x 12 months = 23.64. Take 3 months ... 
Math
Nine wonderful students decided to buy their math teacher an expensive present, each contributing the same amount of money. Four other students found out about the plan and joined in, agreeing to pay their share of the present's cost. This resulted in a saving of $33.32 for ... 
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... 
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 ... 
History,geography,math lite and tourism
I am doing grade 11 and i was wondering if you guys can help me found out which jobs i can do if im doing tourism,geography,history and math lite 
Business study,econamics,math lit,tourism
Which job i can get choosing dis subject MATH LIT,ECONOMICS,BUSINESS STUDY AND TOURISM 
math test
Hi! I have a math test coming up tomorrow, and I need to prepare. but,i don't know how I should. . . any help would be great. she told us to: Be prepared to identify and explain functions, linear functions and proportional functions. Be prepared to use the new function ... 
algebra 2
Ralph, Mario, Jack, Laura, and Maria are in the math club. The club advisor will assign students to 3person teams at the next math team competition. How many different 3person teams can be formed from these five students? I got this wrong...here was my answer 5*4*3/(2*1) 60/... 
Math
My math teacher said to use the FOIL (First Outer Inner Last) property to simplify these quadratic equations I have made from looking at two parabolas. Here are my equations & how would you use the FOIL property on each of the equations and also can someone help me with ... 
Math
In a math contest of 10 problems, 5 points was given for each correct answer and 2 points was deducted for each incorrect answer. If Nancy did all 10 problems ad scored 29 points, how many correct answers did she have? 
Math
Several students were surveyed about their favorite class. 26 students chose art 19 English 21 math 16 music 32 science. What fraction of the of the students chose music as their favorite subject. 
Math
Several students were surveyed about their favorite class. 26 students chose art 19 English 21 math 16 music 32 science. What fraction of the of the students chose music as their favorite subject. 
emergency due before midnight please!!!
Dangling Modifiers If your baby does not like cold apple juice, it should be heated. Your answer: 1. Dangling Modifiers When they are fresh, eating oranges can often keep away the cold virus. Your answer: 2. Predication Our plans for tomorrow should begin today. Your answer: 3... 
programing
1. CheckPoint: Interfaces and Communication Messages Understanding objectoriented methodologies is often difficult. You already understand that objectoriented analysis and design emulates the way human beings tend to think and conceptualize problems in the everyday world. ... 
math
A math contest consists of ten problems.Three points are given for each correct answer. One point is deducted for each incorrect answer. Andy answers all the problems and scores 18 points. How many correct answers does he have? 
8th grade math
I am in 8th grade math as a sixth grader. I am stuck on one problem. It is this: You are making a necklace that is 9 inches long. You use 6 beads for each inch. what integer is the change in your supply of beads after making the necklace? 
Math
Good evening. I have a math problem that I just need a bit of help on please. A trap for insects is in the shape of a triangular prism. The area of the base is 3.5in and the height of the prism is 5 in. What is the volume of this trap? Do I just need to do 5 x 3.5in? Thank you 
Visual Basic  Computer Science
I'm trying to right a program with Multidimensional Arrays. These are the instructions for the program: The Valley Boulevard (VB) Auto Center management is pleased with your progress in developing their system. They require you to develop a new feature for their system. Main ... 
Statistics
. [16 points] A coach uses a nw technique to train gymnasts. 7 gymnasts were randomly selected and their competition scores were recorded before and after the training. The results are shown below. Before After 9.7 9.9 9.4 9.7 9.6 9.2 9.6 9.4 9.6 9.7 9.7 10.0 9.4 9.2 Using a 0... 
Math
I have a question for math that I attempted to, I would like to make sure it was right by asking you guys. Here it is 45) Jerry was making lemonade from frozen concentrate. The directions say to empty one can of the concentrate into a one gallon container and add three cans of... 
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?