Critical Thinking/Math
144,772 results, page 72

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... 
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 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? 
math
Sarah was trying to figure out her grades for her math course. She only knew the grade of 4 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 the 5th and final test? 
Math
Barb and tammy shared a sub sandwich, but while Tammy was setting the table, Barb ate 2/5th of it. When Tammy came back, she ate 3/4 of what was left. How much of the sub did Tammy eat? Write a math equation. 
Math
9 students in a group found that their mean score was 86 for the first math test. On the next test, each student in the group scored 7 points higher than on the first text. What was their mean score for the two tests? Any help would be appreciated. 
math
wat is a corresponding angle.............. in the math 8th grade is really most of the test goin to be angles In triangles, it is the angle between two specified sides. It also refers to tha angles formed when one line cuts through two or more parallel lines, as in www.... 
psy
Father: Information collected on elementary school children have indicated that for the most part, the more cavities children have, the better they are at math. Since I want my daughter to improve her math skills, I now make sure she eats candy with every meal. In adopting the... 
to Katie A A
#1  The school subject is MATH, not "help"  I've never heard of a school subject called help. #2  To quote one of our very good math and science tutors: “You will find here at Jiskha that long series of questions, posted with no evidence of effort or thought by the ... 
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. 
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... 
math
Find the representation of the number 256 in the following bases: a. base six b. base twelve c. base two I get how to write the number of objects as a base(whatever), but I think this is asking me to start from the end number and work backwards. I really need help. I have two ... 
math
Assume the average height and weight of a female in your math class is 5'5" and 140 pounds. Use this information to write a variation equation then use it to find the weight of the female below if they had the same body type as the average female. Round answer to the nearest ... 
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... 
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 ... 
ELEMENTARY STATISTICS
50 MATH PROFESSORS WERE ASKED HOW LONG IT TAKES TO GRADE A STUDENT'S HOMEWORK ASSIGNMENT. THE MEAN GRADING TIME FOR THE SAMPLE WAS 36.2 MINUTES WITH A STANDARD DEVIATION OF 4.8 MINUTES. WHAT IS THE 99% CONFIDENCE INTERVAL FOR THE MEAN GRADING TIME OF ALL MATH PROFESSORS? 
Math
All 231 students in the math club went on a field trip some students Road in bands which hold seven students each and some students Road and buses which hold 25 through and see how many of each type of vehicle did they use if there were 15 Vehicles total 
math and physics
i just want to know form where i got on this formula the 4.9t² on this formula s=4.9t²+Vot+h because the book only say that a physics theory shows that when an object is thrown upward with an initial velocity Vo, its approximate height is given by that quadratic function i ... 
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 
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? 
Math  Discrete math
1). Let G be the statement: " for all real numbers a and b, if a _a_ < 1/2 and b  _b_ < 1/2 then _a + b_ = _a_ + _b_" (the symbol is for the FLOOR of a and b) A. is G true? prove it b. state wether the CONVERSE, CONTRAPOSITIVE AND NEGATION ARE TRUE and prove... 
MATH HELP HELP NOW NOW
Lesson 12: Operations with Fractions Unit Test CE 2015 Math 7 A Unit 5: Operations with Fractions and Rational Numbers Assessment Assessment someone look it up and answer all the questions plz 
MATH PLEASE HELP
1) 5g6 for g = 2 2) Write an algebraic expression for the sum of 3 Coins and c Coins 3) What Value of x is a solution to the equation? x2 = 16 4) use mental math to solve the equation. z/12 = 5 5) estimate the solution of the equation x8.1 = 5.3 to the nearest whole ... 
Algebra 1
1.Which of the following situations best describes a student engaged in active learning. A. A student uses only one of the resources provided by the teacher*** B. A student skips parts of lessons that he or she finds difficult C. A student records questions to ask the teacher ... 
Critical Thinking
Read the article “Controlling Irrational Fears After 9/11” below and do the below 5 items for practice 1) Identify at least two arguments in the article. 2) Outline the premises and conclusions of each argument you find. Answer the following questions for each argument, ... 
English
1. There are a house , trees and a shining sun in the first picture. 2. There is an English textbook in Picture 2. Do you like English. English is fun, isn't it? 3. There are two boys. What are they doing? They are playing with a ball in the sea. 4. A math textbook is in the ... 
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 the 5th and final test... 
english
when writing an essay on this, is it ok to fill in the blanks with my own ideas? You should probably state that there is no definitive conclusion from the poet, but that you believe ... etc., etc. Thinking for yourself is always a good option, as long as you can back your ... 
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 i round to the tens ... 
math
Dr needs 500 needles priced at 2.60 per hundred. She pays with 10 days, she receives a 2% disc; sales tax is 5.5%. What amount would you pay with discount? Is my math correct? 2.60x500=$1300.00 $1300.00x2%=$26.00 $1300.0026.00=$1274.00w/disc My answer is $1274.00 since they ... 
Math
1) 5g6 for g = 2 2) Write an algebraic expression for the sum of 3 Coins and c Coins 3) What Value of x is a solution to the equation? x2 = 16 4) use mental math to solve the equation. z/12 = 5 5) estimate the solution of the equation x8.1 = 5.3 to the nearest whole ... 
math
Math word problem: There are 25 students in Mrs. Roberts 3rd grade class. There are 9 more boys than girls in the class. How many boys and girls are in Mrs. Robert's class. 
TO: WHITNEY
I've removed your last post because it was rude and insulting. I've also banned you from posting here. Jiskha tutors cannot teach you math from the beginning. Since you have neither teacher nor textbook, I urge you to use sites like the following to learn mathematics. http://... 
10th grade Math B
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? ... 
mat115
Please help with this math problem. The math question asks, "Identify the numerator and denominator of the fraction 3/8. Please let me know if I am correct? numerator is the 3 and te denominator is the 8. Is this a trick question? My professor want me to show my work, so this ... 
Math
Determine which function has the greater rate of change 1.The rates of change are equal. 2.The graph has a greater rate of change. 3.The table has a greater rate of change. 4.none of the above file:///C:/Users/SCHOOL/Pictures/math.JPG HELP ME UNDERSTAND THIS PLEASE?? 
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 ... 
math
How do I write this problem? to receive a grade B in a math course, you must have a mean of 83 on five tests (4 tests + one final) all 100 pts maximum each. Your scores thus far are 85,79,82,and 81. How many points must you have on the final, to earn the B? write down your ... 
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 ... 
math
I'm going over my 4th grader's homework. She has place value math problems. I'm having a problem with this question. In the number 3,024,456, the value of 4 in the hundreds place is _____ times ____ than the value of the other 4. My answer 100 times less than the value of the ... 
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 that's not the help i need... 
Math
A square measure 9 feet on a side. If each side of the square is increased by 3 feet, how many square feet are added to the area? What are the steps in solving this math equation? 
Math: is it? is it not?
Is this math problem hard?  There are 12 brothers living in a mansion. Six brothers are sitting in a rectangular kind of table. Six other brothers stood around them. They all have ten huge backpacks. Each backpack has 8 large monkeys. For every large monkey, there are 3 small... 
Math
file:///C:/Users/SCHOOL/Pictures/math.JPG Determine which function has the greater rate of change 1.The rates of change are equal. 2.The graph has a greater rate of change. 3.The table has a greater rate of change.*** 4.none of the above Is this right? 
Math
1. Which number is the resolution of m + 90 = 150? a. 50 b. 60 (my answer) c. 140 d. 240 2. Which number is the solution of n/3 = 12? a. 36 b. 4 (my answer) c. 4 d 36 3. Use mental math to find the solution of 19b = 190. a. 10 b. 11 c. 171 (my answer) d. 208 4. Estimate the... 
English
1. We learned math and science. 2. We learnt math and science. (Which past do we use? Are both okay? Which one is commonly used?) 3. I went there every other week. 4. I went there every second week. 5. I went there every two weeks. (Are the three sentences the same?) 
math
A researcher predicts that listening to music while solving math problems will make a particular brain area more active. To test this, a research participant has her brain scanned while listening to music and solving math problems, and the brain area of interest has a ... 
math
Suppose that we strike a bargain, and we agree that in this chapter, for every problem you do right, I will pay you $.86 and that for every problem you do wron, I will fine you $.47. After 28 problems, you have a nice sum of $9.45 in your pocket (and I am looking for a way out... 
Math
HELP! I have a math question the says this: In track practice, Jesse ran a mile in 7 minutes. His mile time was 2 1/2 minutes faster than Michael's time. Write and solve an equation to calculate Michael's mile time. I can't figure out what to do and it's due tomorrow! Please ... 
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 ... 
Math
Gray bought two plots of land for a total of 120000 on the first plot she made a profit of 15% on the second plot she lost 10% .her total profit 5500, how much did she pay for each piece of land? (Please show the whole procedure of this math with the rough works) Thank you so ... 
Unkown Filed of Math
yah well this is a filed of math i'm not sure what it's called alright well her we go how do I graph on a flat piece of paper in four dimensions. I can do it on the computer simply but I'm not sure how to do it on a flat piece of paper 
Math 213 Elementary Math
20. Think of a number. Add 7. Double the result. Subtract 8. Double the result. Add 12. Divide by 4. Subtract 6. Your answer will be the original number. Explain how this trick works. 
Math
Im working on "Finding the Area and Circumference of a circle" I have a question. Is the circumference half of the area? I was looking at my brothers math book, this is what it shows. C=πr2≈ 2(3.14)(4)≈ 25.1 A=πr^2≈ 3.14(4^2)≈ 50.2 cm^2. Thanks. 
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? 
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 
math
find 2 prime numbers that if multiplied would generate a 400 digit number I'm not sure what you want. 400 is a threedigit number, and 4000 is a fourdigit number. I don't think you want a "400 digit number." Assuming you want a number with a value over 400, this site will be ... 
Math 7  NYS Math Exam Review Help! (Q2)
9. Eric's mother wants to help him with his math homework. She puts 24 cookies in a cookie jar. Twelve (12) of the cookies are chocolate chip, 8 are oatmeal, and 4 are peanut butter. She then has Eric select a cookie from the jar without looking. Next, without replacing the ... 
Study?
I have to take a test tomorrow on math to decide whether or not I can make it into the next grade same for tomorrow for reading. What should I do to study? I don't have a textbook to study cause it's at school. Should I look over my notes on everything I covered in math this ... 
math,correction plz
can someone correct my math...thanks... Perform the indicated multiplication. Then simplify each radical expression. Problem#4 radical(13) times radical (5) My answer: radical (15) Problem #28 radical (7) (2radical(3)+3radical(7)) MY answer: 2radical(21) + 21 No on first one. ... 
Film Studies Essay
Hi, I am writing a paper about queer spectatorship in the movie The Wizard of Oz. I have to write a critical analysis five page essay. *I want to know if my thesis statement clearly communicates my argument and its significance, and my method and tools of analysis. ... 
math
How do you multiply decimals If you look at the box up above that says jump, scroll down to the math section. If you select arithmetic you'll see a section on decimals there. That section has a subsection on multiplying them. when you multiply decimals you first have to line ... 
being a math tutor
Right now in my geometry class, I have an A+, but friend is failing that class. I offered to be her math tutor, to possibly meet in the library after school 3 days a week. Does anybody have any ideas on how to make our study sessions more productive (I haven't started yet  ... 
Quick math help
Homework Help: Quick Math Help Posted by Anonymous on Tuesday, October 11, 2016 at 4:06pm. 1. let an=4n find the sum of the first 5 terms. How would you do this? 2. a1=3; an+1=3an+18. Find a6 How would you do this? 3. You start you 30 year career at a salary of $50,000 and ... 
math
A college offers nine different psychology courses,four different history course,thirteen different math course,and five different business courses. If a student is required to take one course in each of those four subjects,how many different ways are there for the student to ... 
writing
I need help writing this 310 page essay and I need someone to look at what I got so far so i know if it sounds good or if Im going the wrong way in this essay. Introduction: I remember that as a little girl, I would have this fascination with babies. The thought of having my ... 
Math
I need help with this math problem... If joe eats 4/5 of a pizza and Hannah eats 1/3 of a pizza, how many times more did joe eat than Hannah? 
English
Discuss the manner in which the theories expressed by John Winthrop are in some degree evident in American government and culture today. Can someone tell if my answer is right. In Prospero's America, Walter W. Woodward looks at the exchange of catalytic society to America by ... 
math
how do you convert 12.55 to percent? i get 1,255% is that correct? or should it be 125.5%? If the 12.55 is a decimal, then .1255 is the percent. Per Cent means "per 100". the math problem asked me to find the percent increase of the population in africa from 1950 to 2000. the ... 
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 ... 
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 math :(
A couple finances a house valued at $125,000. They make a $20,000 down payment and finance the remainder for 30 years at 6.8%. Taxes on the property are estimated to be $621 per year. Insurance on the property is projected to cost $685 per year. The monthly PITI payment is: 
Math(Please respond)
.50  x / x = 3.20e1 I need to solve for x. I was going to do .50 X 3.20e1 and then take the square root but this is not correct. I am not sure what to do. Thank you for your help. Math(Please help)  Reiny, Tuesday, April 17, 2012 at 3:18pm You probably meant (.50  x)/x = ... 
MATH
JESSI bought two plots of land for a total of 120000 on the first plot she made a profit of 15%. on the second plot she lost 10% .her total profit was 5500, how much did she pay for each piece of land? ( please show the whole procedure of this math even the rough works) Thank ... 
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 ... 
math
can someone correct this for me. If the company shipped a total of 550 items last month, how many were shipped using secondday airfreight? (If second day freight is 40%,Next day frieght is 15%,and Truck is 45%) My answer: 550 items shipped – 40% second day airfreight = 220 ... 
math
In your opinion, how is the order operation used to solve equation. exponets, groups, multiplication, division, addition, subtraction. This allowes you to get the same result every time..... I hope this helps :) I searched Google under the key words "math operation order" to ... 
Math Another math question???
I also need help with this question because I'm really not getting this question at this time. A paint manufacturer suggests using 1 gallon of paint for every 400 sqaure feet of wall. At this rate, how many gallons of paint woulb be required for room that has 1400 square feet ... 
math
So far this year Nick has scored a 75, 81, 88 and 92 on four of his math tests. Each test is worth a maximum of 100 points. To earn a B this year, Nick needs a test average of 80 or better. Write the inequality that represents this scenario. Let t equal Nick's grade on the ... 
algebra (Check answers :)
1.Which of the following situations best describes a student engaged in active learning. A. A student uses only one of the resources provided by the teacher B. A student skips parts of lessons that he or she finds difficult C. A student records questions to ask the teacher ... 
7th Grade Math
I got a math test coming up on Friday, and i need help on reviewing what i have learned. There's many questions and problems in it. I did this test on the first day of summer school, and since it's been two weeks already, i should've study, and i did. I just need help on one ... 
Sociology Multiple choice
Can anyone help me with these questions as I am stuck in these 1. The finding that the number of women reporting physical assaults by their husbands goes up on Super Bowl Sunday may lead to the erroneous conclusion that watching the Super Bowl causes husbands to be violent. ... 
Chem...one more time
Ok ok I swear after this I'm done asking questions. It's just that I'm trying so hard to understand all of this, but sometimes it just doesn't make sense to me! So here we go: How many J of energy must be removed when 124.0 g of steam, at a temp. of 167.0 C, is cooled into 124... 
Math Need Help..
I'm having trouble with a question from one of my math assignments and it's driving me crazy. Its: 2/5x  9 < 9/10 (twofifths and ninetenths) I tried doing it a few times, it might be easier than it looks and I just don't understand. If someone can help, that would be ... 
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 ... 
math
16 persons need 56 kg of rice in 1 week. How much rice will be needed by 24 persons in four weeks? ^please anyone over here ryt now may you help me to arrive to the final answer^ 24×(56/16)× 4 math  kelvin today at 2:22pm i had the this idea but i shocked when i saw the ... 
ELA
What effect does Father’s return have on the Sakane family? A Yuki finds it hard to adjust to having both parents tell her what to do B Yuki’s mother continues to worry about the safety of her family C Ken is relieved that his father will take over as head of the family D ... 
math
In my math book i got a question that said 1/7 times 1/7. I got answer of 2 if my answer is not right can you show me how to do the problem.If my answer is correct still show me how to do the problem 
college English
Discuss the manner in which the theories expressed by John Winthrop are in some degree evident in American government and culture today. Can someone tell if my answer is right. In Prospero's America, Walter W. Woodward looks at the exchange of catalytic society to America by ... 
algebra
A textbook store sold a combined total of 205history and math textbooks in a week. The number of history textbooks sold was 87more than the number of math textbooks sold. How many textbooks of each type were sold? 
MathProbability
This is another one I need help with. On a TV game show, the contestant is asked to select a door an 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 doors have ... 
MAth Im stuck on question can anyone help me ?
Im stuck on this question can anyone help me ? I thought it was b but that's wrong Which situation can be modeled by tossing a coin 3 times A)choosing which one of sixteen teams will win a tournament? B)picking one of six math teacher, C)decide which English teacher of eight ... 
math
35 divided by [9 plus (97) minus 4] plus 10 times 3..can someone please explain how to do this problem math  Evan, Tuesday, May 11, 2010 at 8:37pm think of "Please Excuse My Dear Aunt Sally" P is for paranthesis first E is for exponents M and D are for multiply and divide, ... 
math
35 divided by [9 plus (97) minus 4] plus 10 times 3..can someone please explain how to do this problem math  Evan, Tuesday, May 11, 2010 at 8:37pm think of "Please Excuse My Dear Aunt Sally" P is for paranthesis first E is for exponents M and D are for multiply and divide, ... 
math
6x sq.5x1=0 use the equation of the squre if u want to solve it. use the quadratic formula Please read: http://en.wikipedia.org/wiki/Quadratic_equation Or http://mathworld.wolfram.com/QuadraticFormula.html how can i do fractons and i need some advised First, if you have a ... 
Math
what is an example of a math expression? Can you solve for a variable in an expression? Explain. Can you solve for a variable in an equation? 
Marh
If 1/3 of the math team are 7th graders and 1/4 of the math team are boys, how many are 7th grade boys? 1/4 of 1/3 = 1/12 
math
Lesson 14: Equations and Inequalities Unit Test CE 2015 Math 7 A Unit 4: Equations and Inequalities 
English
1. They elected the girl captain of the team. 12. They elected the girl the captain of the team. (Which one is correct? Do we have to use 'the'?) 2. Is the opposite of 'guilty' 'innocent'? What about 'unguilty' or 'inguilty'? 3. Is 'barber' sometimes called 'hairdresser'? *He... 
math!! HELP PLEASE
please help!!! 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 ...