# Critical Thinking/Math

143,324 results, page 68

### Math

This math problem is somewhat tricky. It says to write a pair of decimal division expressions, so that when you estimate and compare the quotients, you get 9>3. The below is what I thought of: 18.2/2 and 30.3 divided by 10 18.2 is rounded to 18 so then 18/2=9 30.3 is ...

### Math

This math problem is somewhat tricky. It says to write a pair of decimal division expressions, so that when you estimate and compare the quotients, you get 9>3. The below is what I thought of: 18.2/2 and 30.3 divided by 10 18.2 is rounded to 18 so then 18/2=9 30.3 is ...

### Math

An industrial dishwasher takes 4.8 litres of water to wash a full load of dishes. If you were to wash full loads, how much water would you use? I am very confused on how to begin figuring this math problem out. Can you assist?

### math check question

Subtract and Simplify: 4a^2/(a-b)-(4b^2-8ab)/(b-a) I have the answer as 4(a+b)^2/(a-b) or should it be 4(a-b)^2/(a-b) Responses Math problem check - bobpursley, Sunday, October 12, 2008 at 4:23pm just the numerator.. 4a^2-8ab + 4b^2, right? 4(a-b)^2 Now does that reduce with ...

### english

1. Which of the following sentences is correctly punctuated? A. The local police asked the F.B.I. to assist with the case. (B). Mr. Jones visited the YMCA before becoming a member. C. Mary remembered to buy milk didn't she? D. The company held it's annual party at the ...

### math

Short math quadractic equation word problem*best answer? josh buys concert tickets worth $180, he then keeps 2 of the tickets and sells the rest for 9 dollars more, he make a total profit of $36, after selling all the tickets. what was the original ticket price?

### English

1. My math exam is tomorrow. 2. Tomorrow is my math exam. 3. Tomorrow I have a math exam. 4. I take a math exam tomorrow. (Are all the same and grammatical?) 5. What did you do over the summer vacation? 6. What did you do during the summer vacation? 7. What did you do on the ...

### math

4 numbers are placed in a bag. two are removed and total 2.4. The numbers are returned to the bag and the process is repeated 4 more times. The totals are 2.4 2.5 2.6 2.7 and 2.8. What are the 4 numbers in the bag? please let me know how you arrived at the answer. I was good ...

### math

In a class of 40 students, 27 like math and 25 like Filipino. At most how many students do not like at least one of these subjects?

### Algebra

In a class of 60 students, 4/5 are members of Math Club. Among the members, 3/5 are girls. How many boys are members of Math Club?

### dumb math

9+9=w w= 18...right? ............18......dumb...math 9+9=18, you dumbos.

### math pls help Ms Sue

could you pls check my math 6< s +7 -1<s -8.7<y + (-12.4) 21.1<y x + 17 > 10 -7 > x 11 > j + (-19) 30>j 24.3 > g- (-14.4) 38.7> g f + (-20) > -7 f > 30

### math

I don't understand how to do my math homework. 7 over 6. (-18 over 35)

### math

can someone explain y we have 2 have math???

### Math

c-d / d-c I know the answer is -1, but what is the math that I have to show to get to that answer? Thanks!

### Science Check Please Dr.Bob222

I am sorry would..Hopefully this would make it easier 1. Your ____ is your first line of defense against pathogens. brain heart large intestine skin * 2. Blood vessels help regulate your body's temperature. When it's cold, your blood vessels ____ to decrease blood flow and ...

### math

math ? FIND THE VALUE OF 5 - 35,791 a. five hundred b. five thousand c. five thousandths d. not given I selected - b. five thousand correct? or not?

### math

If the word,"if," in math mean multiply and,"is," means equal, what does the word,"was'" mean??? EX: Four times a number was 22 greater than twice the number.

### 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?

### math literacy life science, history,tourism

Can I do medical orthotic and prosthetic while doing math literacy and life science. CAn I QUALlifY?

### 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?

### Finite Math Help Please!!!

Finite Math Help Please!!! Can someone help me ? I am confused about this Problem? Median Quartile 1 (Q1) Quartile 3 (Q3) for boxplot 9 10 11 12 13 14 15 16 17 18 19 20 Data

### Math

Please explain how to figure out the following 7th grade math problem: If a rubber ball bounces exactly 1/2 the height from which it is dropped; and it is dropped from the top of a building that is 64 meters tall, how high will the ball bounce on its eighth bounce?

### math

Posted by mota on Saturday, March 1, 2008 at 3:34am. THE MASS OF THE SUN IS ABOUT 10^27 METRIC TONS , OR 10^30 KILOGRAMS . HOW MANY KILOGRAMS ARE IN ONE METRIC TON ? ----------------------------- math - drwls 1000. ----------------------------- explain please i want to ...

### Math

Hello! I am here because I have a question. In math we are starting a new unit: Probability. One of the questions on my homework are "A number cube with the numbers 1 through 6 is rolled. Find the probability of rolling a complement of 4." I have no idea what a complement is. ...

### Stupid Math School Math

Two cars are 750 miles apart and start moving towards each other. One car moves with the average speed of 40 mph and the other is 10 mph faster. When will the cars meet if they started to move at 11:00 a.m.?

### Math

There is a graph and on the right hand side it has numbers going up from 0, 7, 14, 21, 28, 35, 42, 49, 56, 63, 70 these numbers represent Time (days) on the bottom it has 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 which represents Time (weeks) The math question is what is a real life ...

### Math

Can someone check my answers for a couple questions in my test I can't get help because my dad isnt here and my mom can't do math. 3.Write the ratio as a percent In the seventh Grade class, 19/25 students voted in favor of having a class picnic. A.76% -- B.66% C.81% D.44% 4....

### math!

hi im lauren and i have a big math test tomorrow(7th grade) and i need 2 know wht interval means. And i need the expalnation 2 be so simple that a little kid can understand it. lol. Can someone answer like in the next 10 mins plz! thx!! hurry peeps!!lol

### Math: Geometry

I am having trouble with a problem from my online math class. I tried using the basic angle properties of circles, but didn't get anywhere: Let ABCD be a cyclic quadrilateral. Let P be the intersection of AD and BC, and let Q be the intersection of AB and CD. Prove that the ...

### Math repost for Andy

math - Andy, Thursday, October 25, 2007 at 7:37pm can you please help me with this math problem? If you can here is the question: Seventy-five years ago, pharmacists weighed medicine on balances like the ones you have been using. The mass pieces were very expensive, so a ...

### math

how do i do this math problem ? what is my age ? add my age , plus half of it , plus a third of it , plus 3 times three . the results is 6 score and ten , what is my age ?

### Math check 3

f(x) = 1/(x+7)+15/(x-8). Find all a for which f(a)=f(a+15). I understand this so far f(a)=f(a+15) 1/(7+a) + 15/(a-8) = 1/(a+22) + 15/(a+7) I have multiplied the LCD of (a-8)(a+7)(a+22)by both sides with no luck. This is a multiple choice question a.) -161/8 b.) 120/7 c.) 161/7...

### math

Hi - I'm reposting this thread please read the bottom...thanks. Ajax is 8 km due west of Oshawa. Uxbridge is 16 km NW of Oshawa. How far is it from Ajax to Uxbridge? Explain whether you have enough information to solve this problem. my answer was 13.856 km but not confident ...

### LA Help

"The Rider" A boy told me if he rollerskated fast enough his loneliness couldn't catch up to him. the best reason I ever heard for trying to be a champion. What I wonder tonight pedaling hard down King William Street is if it translates to bicycles. A victory! To leave your ...

### Dr.Bob (thx) Check my work for this one pls

What is the molar solubility of Sr3(AsO4)2 and the concentration of Sr^2+ and AsO4^-3 in a saturated solution at 25 deg Celsius? The Ksp is 1.3E-18. Show the balanced reaction. Below, I write M.S. (molecular solubility) 1)Sr3(AsO4)2<---> 3Sr^2+ + 2AsO4^-3 M.S. xmol/L 3x ...

### Internatinal Relations

Five of the most serious international problems facing the world today are: 1) the proliferation of WMD 2) international terrorism 3) economic development in impoverished countries 4) international financial stability 5) climate change In which of these five areas do you ...

### Programming

Understanding object-oriented methodologies is often difficult. You already understand that object-oriented analysis and design emulates the way human beings tend to think and conceptualize problems. As an example, consider a typical house in which there are several bedrooms, ...

### Math-help please

My daughter is doing 5th grade math division. Her teacher has shown her a different way to divide these days. I know the answer I get (the old way), but can you tell me how you get the answer for 233 divided by 29. They have her "Xing" out the last 3 in 233 and dividing it ...

### To debbie: business math

You've posted at least 25 business math questions in the last couple of days, with no indication of your own efforts. In addition you ignored my request to respond to the requests we made to your early posts. As I told you yesterday, until you respond to them, your posts will ...

### 4th grade math

I too am trying to help my son with his math homework. Problem is: at a Pokemon Tournament there are 6 players. Each player counted his cards at the beginning: These are the landmarks for the group: Minimum: 8, Maximum: 16, Moes: 13, Median: 14. Lisrt the numbers of cards each...

### Math

Hello, I'm doing a review sheet for math and a certain question states: "solve: ln(3/4)" What should I take solve to mean? Do I just change it's form to ln(3/4) = ln3 - ln 4 ? Or, perhaps, I need to actually enter in the value into a calculator. How would you take on this ...

### Math,english,further math,government,CRS,lit in english,yoruba,civic,agric,biology

The fourth and sixth term of an arithmetic progession are -4 and -10 respectively. Find A.the common difference B.the first term C.sum of the first twelve terms

### The Curriculum

Which of the following is not an effective instructional strategy to help children develop math concepts? A. Using collections of commonly found objects for them to explore and manipulate B. Encouraging children to come up with their own conclusions rather than giving them ...

### math

wat is the squre root of 309 http://www.math.com/students/calculators/source/square-root.htm

### ENGLISH

I need help finding real life examples for the scarlet letter themes? Do the ones I have fit the themes? Are they correct? 1. Guilt can destroy a person, body, and soul. I was thinking soldiers who fight overseas in countries and having to kill innocent people. 2.True ...

### math

I need a formula. At a math contest,12 problems were given. Five points were awarded for each correct answer, and two points were deducted for each incorrect answer. Matt's score was 39. How many correct answer did he have

### math and desperate

What similarities and differences are there between functions and linear equations? Are all linear equations functions? Is their an instance when a linear equation is not a function support your answer. Im not good at math please help.

### Fair Game

Okay, I am in 6 grade and I am doing definitions; math definitions. Theres something called a "fair game" but I am not for sure if it has to do wih math, or a regular game... plz help. This assignment is due this week..... (-_-) Thxx !! ~

### math

A book publisher is shipping a new book in boxes of 200. If 30 boxes fit in 1 shipping crate, how many books are in 20 shipping crates? Explain the mental math you used to solve the problem.

### math

1( which number is the solution for m + 90 = 150 A( 50 B( 60 C( 140 D( 240 2(which number is the solution of n/3 = -12 A( -36 B( -4 C( 4 D( 36 3( use mental math to find the solution of 19b = 190 A(10 B(11 C(171 D(280 4(estimate the solution of y + 1.8 = 3.14 to the nearest ...

### Math

There are 24 students in Mrs.Smith's 1st block class. 1/4 of the class passed the math test with an A. 12 students in the class passed the math test with a B. What percent of the students in the class passed the test?

### math

suppose you bought some 32 cents stamps and some 20 cents stamps. you spent $3.92 for 16 stamps. how many of each stamp did you buy? i got the equation--.32x + .20y = $3.92 but don't know how to solve for x and y what class/level is this for 8th grade math

### Math

On a math test,12 students earned an A. This number is exactly 25% of the total number of students in the class. How many students are in the class? 'In this problem I'm not sure whether I'm being asked to solve for one or two unknowns. May I have your help ? Thank you.

### Math please help please help

Out of 42 kids in a class twice as many failed Ela as math,4 failed both. If 7 failed neither, find how many failed each subject. Please help and show work it would be great thanks i really need help thanks

### Math

Pedro spent 2 1/5 hours on his math himework and half as lomg on his science homework one weekend. If his english and social studies homework took 7/8 as long, how much time did he spent on homework that weekend?

### math

Hi I need help with this math problem: The plane that contains the points (8,3,1), (2,6,3), and (4,6,2) has an equation of the form ax + by + cz = d. Find coefficients for this equation, trying two different approaches to the problem. One method uses vectors, another does not...

### Math

I am having trouble with the concept of unit conversions for math C30. I am in cyber school and it does not seem to be explaining it as much as I would like. Here is the question: Change 25 kilometers per hour into feet per second. Can you please explain how you are finding ...

### English....Writeacher checkthis out!

I DID IT!:) The Tainted Mirror In Shakespeare’s great tragedy Hamlet, three characters Hamlet, Laertes and Fortinbras, develop as “foils,” or contrasting characters. Several comparisons and contrasts can be shown between the three characters, many of which center around ...

### math ( help)

Gli bought 9 cds.some of them cost $12.75, and the rest cost $11.95. the total was $112.35. how many did he buy at each price? Let E be the expensive, and C the cheaper. E+C=9 E(12.75) + C (11.95)=112.35 the answer to your math problem is 6 cds for 12.75 and 3 cds for 11.95

### MATH HELP

shelley spent 17 min washing the dishes. she spent 38 min cleaning her room. explain how you can use mental math to find how long shelley spent on the two tasks?

### Math

I have a question Me and a friend are doing our math homework and ran into a conflict What would be the product of 8-1x0+2/2 I say it would be 5 and my friend here says it would be 1 I did 1x0=0 8+2=10 10/2=5 Thanks

### Math

John has 4 math books, 6 biology books,, and 8 statistics books to arrange on a shelf. In how many ways can he arrange the books so that books on the same subject are grouped together?

### Statistics

suppose the correla tion between SAT Verbal scores and Math scores is .57 and that these scares are normally distributed. IF a student's Verbal score places her at the 90th percentile, at what percentile would you expect her Math scores to be?

### chemistry

if i have a 21% solution of a product, and i need to make it a 9% solution of the same product what do i do? i am trying to dilute a product that is 21% to a 9% soultion so it can safety be used on cats. i know what to dilute it with, but i do not know how much or the math to ...

### math

i don't understand standard form math and i have to questions what is nine hundredths in standard form and sixteen and six tenths in standard form?

### Chemistry

Please can you assist me with the following problem I am totally muddled - I could swear I've never even heard of science!!! H2SO4(aq) ---> 2H+(aq)+(SO4^2-)(aq) A 0.21 g sample of sulfuric acid is dissolved completely in sufficient water to make 0.25 litre of final solution...

### Math

To determine a GPA: 2(credit( Hr. Art, 3Hr. History, 4 Hr. Science 3 Hr. Math, & 1 Hr. Science lab. The scores were B in Art, A in History, C in Science, B in Math, A in Science Lab. What was the GPA based on 4 point scale? I continue to get 3.2 but that answer is incorrect, ...

### Math

A man selling fruit has only three weights. But with them he can weigh any whole number of kilograms (from 1 kg to 13 kg) inclusive on his balance. What weights does he have? Responses math - Kalyan, Friday, September 5, 2008 at 4:38am The man had 1kg, 3kg and 9 kg weights. ...

### Elem.Ed.

Which would be one of the best ways that a teacher can help a student deal with stress? A. Applying proper management techniques. B. Counseling children and families on the effects of stress. C. Providing soothing and relaxing hands-on activities. I do not know if the correct ...

### MATH Introduction to Math Skills and Strategies

Petra bought gasoline when the odometer read 15,345.4. After the next filling, the odometer read 15665.6. It took 13.4 gal to fill the tank. a) How many miles did she drive? b) How many miles per gallon (mpg) did the car get?

### Math

Two figures are similar with a similarity ratio of 4 and one side of the figure is 3 cm long. Find the lenght of the side of the similar figure. I don't really know if I have to try to do it like an equation or if there's a formula for this. Sorry if anything's wrong, I'm ...

### math

First grade math Tell the Rule? Group 1 3 flowers w/4 petals each Group 2 3 flowers w/five petals each in triangle?

### math

Math out of box 1 2 3 4 5 this is called steps(s) 5 9 13 17 21 this is called tiles(t) we know you are adding 4, but what is the rule such as (S X S + 4-1-5)I know its not right so help then right the rule for this.

### Math

Whole Number Math Riddle Clue 1: Double my tens digit and get my ones digit. Clue 2: Double me and I am less than 50

### Math

There are 30 students in a math class. 12 belongs to the computer club and 8 belongs to the photograph club. three belongs to both. how many belongs to neither???

### math

Angela scored in the 90th percentile of her class math test. If 27 students scored the same as or lower than she did, how many students are in the class?

### math

if there are 19 boys and 24 girls in the math class. 10 boys and 15 girls are freshman. if you randomly choose a student, what is the probability that it will be a girl or freshman?

### Statistics- Math

One student scored 54 on a math test for which the mean score was 50.5 and the standard deviation was 3.2. Another student scored 80 on a chemistry test for which the mean score was 75.2 and the standard deviation was 5.2. Which student (math or chemistry) had a "better" score...

### Math

Capacity Homework? I was doing my grade 8 math homework on capacity, and I was told to order the capacity of Vase A, B, and C from least to greatest. Vase C is a hourglass based prism, and I don't know the formula for it. Please help?

### English

1. Math is complex but useful. 2. Math is complicated but useful. (Are both okay? Which syllable is stressed in 'complex'? First syllable or second syllable? There seem to be two ways in the dictionary.)

### Math

Shelly is working 250 math problems and she wants to finish in 6 days. If she works the same number of problems each day for 5 days how many problems will she have left to work on day 6?

### Science

Read an article, and use the article to jump-start your thinking about designing your very own space mission. Think about what you want to explore in the solar system (and why!) and how you might get there. Click on the link below to read the Science NetLinks article “...

### math

Fewer than 107 girls attend a basketball camp. A total of 180 children attend at the camp. Which inequality can be used to find the number of boys n tha might have attended the basketball camp? math problem

### Math

Yes, it is I again, with yet another math problem. The question is; In a bag, there are 8 white marbles, 8 blue marbles, 7 red marbles, and 6 yellow marbles. How many marbles does it take to pull out 3 marbles of the same color. (A)6 (B)9 (C)12 (D)15 (E)I forgot the last one I...

### math

Eli's Dad made him a birthday cake, but forgot to buy candles. He could only find a few. But Eli was smart in math, so his Dad said,"The ratio of candles to years is 3 to 5." That gave him the right number. How old was Eli?

### Math

A student wrote this statement: "A triangular prism has a height of 15 inches and a base area of 20 square inches. The volume of the prism is 300 square inches." Identify and correct the error. I am not sure because I am new at doing this kind of math. Please help.

### 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. Hint: try 12 x 35. Is...

### English

http://www.sparknotes.com/lit/eyes/ Be sure to read the entire section called Context. Make note of when she lived, when and where she was educated, when she published, etc. All those times can be cross referenced with a good timetable or article about the whole post-Civil War...

### math

What is the ratio of English and Science majors to Math and History majors, when you know that there are 400 students majoring in English and 150 students majoring in Science and 200 students majoring in Math and 300 students majoring in History?

### economics

A. Given the above stated preference and supply information, how much alcohol (in ounces) will the average consumer purchase in an average month? How much all other goods will this consumer purchase? B. The program being heavily lobbied by business is to have a tax placed on ...

### Math

I need help solving this math problem, please: Problem: Angela's math test had 100 multiple-choice questions. Each correct answer was worth 1 point, each incorrect answer was worth -2 points, and skipped questions were worth 0 points. Angela answered an even number of ...

### math help

I need help solving this math problem, please: Problem: Angela's math test had 100 multiple-choice questions. Each correct answer was worth 1 point, each incorrect answer was worth -2 points, and skipped questions were worth 0 points. Angela answered an even number of ...

### Chemistry

As I read it, the question provides you with a word description of the production of diesel fuel, gasoline, lighter gases such as ethane and propane, as well as some of the refinery operations such as cracking. Your job is to take this word description and write an equation ...

### guidance and discipline

Miss Vickers second grade class is having a great time with math centers. They are seated where they are comfortable,some on the floor and some at tables.The students are working with manipulatives they chose from the math shelves. They are talking quietly and recording their ...

### Math

We are currently studying "earning money" for math. I read this sentence: When a store claculates its profit as a percentage of its cost price the profit is always bigger than the profit calculated as a percentage of the selling price. What does it mean and please give me an ...

### math-algebra

Find three different ordered pairs that are solutions of the question x=2 and you have to use -1,0,1 for thje subsitut of y or x i don't know.im so confused please help i don't know the ansrer math is hard I can see why you are confused-- so am I. If x = 2, that is just a ...

### 7th grade Math

I have two questions for math. How do I add/subtract an integer Please give me full notes, or webpage please. Also, my teacher said 10-20E (Problems in book we have to do) Is that evens? because the odd answers are in the back of the text book Thanks,

### math

solve the compound inequalities as demostrated being careful of how a negative x- term is handled in the solving process show all math work arriving at the solutions display a simple line qraph for each solution set as demostrated. -1<3+2x<11 (Your and compound ...