Critical Thinking/Math

141,134 results, page 65

math

There are five math teachers at Nate Elementary. The ages of four of the teachers are 32, 26, 35, and 27. If the mean of the ages is 31, what is the mode?

math 163(discrete math)

how many different functions are there from a set with 10 elements to a set with the following numbers of elements: a)2 b)3 c)4 d)5

Math Symbols

PLEASE LIST ALL 7TH GRADE MATH SYMBOLS!!! PLEASE!!! I NEED THIS ASAP !!! :) THANK YOU!!!!

math

Of 30 books (15 novels, 10 history books and 5 math books), how many ways can you get a bunch of four books to give to a friend?

math

this is a math riddle that i can't do so please help i am a fraction eguivalent to 2/4 the sum of my numerator and my denominator is 21 what fraction am i here it is help me please's

Math

Im working on a math question and the answer is 2hr and 24min. I am getting 2.4 with my calculations how do i take 2.4 and get 2hr and 24min.???

Math

You have 17fourths of pizza. Show with math or pictures how many pizza you have. 4 pizzas with 1 slice left. 4

Math

A math quiz is made up of 5 multiple choice questions, each with 4 possible answers. How many possible sets of answers are there?

chemistry

1. A three-step mechanism has been suggested for the formation of carbonyl chloride: Step 1: Cl2 ===> 2 Cl (fast equlibrium) Step 2: Cl + CO ===> COCl (fast equilibrium) Step 3: COCl + Cl2 ===> COCl2 + Cl (slow) What is the molecularity of the rate-determining step? ...

Math 116A

I have been out of school for a very long time and I just enrolled to take some classes online and I am having a lot of trouble with my math. I just cannot seem to understand what it is that they want. Is there anyone that can help me with this. I am desperate. We are doing ...

math

I just started the 5th grade and I don't understand one of my math problems. The problem is Mr. Smith bought 2 similar T-shirts and a belt. He paid $100 to the cashier and received $13 in change. Find the cost of each T-shirt. (shouldn't the price of the belt be in the question?)

math analysis

(1/a)+(2/a^2)=0 Solved for zero I'm unsure about the process to solve this, when I do it like my teacher says, it doesn't work. This is for an online advanced math class in which you get three tries to solve the problem. I have already used two. Any help would be greatly ...

Maths

I need to solve these anagrams of famous mathematitions PHRYGATOAS ADSHERECMI TFMARE GABBEBA COBFIICAN GHETGNINLAI LUDECI PRANIE LLCAOVEE The first one is PYTHAGORAS. For names of other famous mathematicians, check this site: http://yahooligans.yahoo.com/School_Bell/Math/...

Math

Frank has a 65% chance of receiving an A grade in geology, a 60% chance of receiving an A grade in mathematics, and a 77% chance of receiving an A grade in geology or mathematics (or both). Find the probability that he receives A grades in both geology and mathematics. I get: ...

Math

Ivan finished 4/5 of his math homework problems and all 3 questions for his science homework before dinner . If he finished a total of 43 problems before dinner , what is the total number of math homework problems he was assigned?

Career Exploration (Check Answers)

1. Your personality is: the way you usually think the way you usually act*** both of these neither of these 2. Susana is creating a list of adjectives that usually describe her. She is listing her: personality traits*** personality types career types teamwork profile 3. ...

Math quick check thx

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. I made a venn diagram the middle part of the venn diagram would be 7 and the math part would be 13 and the ela part would be 26. How do i check this?

math

I am getting so confused with my math problems... Can you help me please?... The question is - Rounded to the nearest ten I am 800. I am not odd. All of my places have a value greater than 0. The number in my ones place is 1 less than the number in my tens place...

Math

When the band traveled to the latest competition, they left school on the bus at 9:30 am. They arrived in Astoria and practiced until 7:15pm. How long did they spend traveling and practicing that day? What kind of math do I need to do to see how long they practiced?

math

Can someone please show me how to estimate mixed numbers. An exsample like 6 and two thrids times 4 and one fifth. Also estimate by rounding to 0, 1/2, or 1. Exsample...5/8x9/10. I would appreciate any help I am in the 6th grade and me and math are not doing so well.....Thanks!

Math 11 - Rational Expressions

I really don't understand how you find or identify the restrictions at all for rational expressions, can someone talk me through it? I have a math exam Monday and I'm stressed. Thanks. Here are some examples for my textbook if needed... 1) 2x + 1 / 2x - 1 2) x-5 / x^2 + 3x + 2...

Math

The math club had a lunch meeting where the attendees ordered either a hamburger for $2.50 or chicken strips for $3.25. The bill for the 25 lunches was $74.50. The system of equations below represents this situation. 2.50x + 3.25y = 74.50 --------------------- x + y = 25 How ...

Applying Rational Numbers//Math

Estimate this answer. Explain your reasoning One half liter of lemonade concentrate is added to 3 liters of water. How many 1/3 liter of servings of lemonade are made? Thx for the help you who is looking at this math problem

Math

Hello again, today is my final day of the semester and I started late. So I have tons of work to quickly finish and this math test I am taking is 48 questions. Just a brief description why you might see my name a lot. 1. Which is a solution of the equation y=4x+3? A.(5,17) B.(...

math

I am confused: if the math problem is asking me for the proceeds of$ note at a % discount for # of months. the anwser is the whole total or the earned. I think is the whole total with the discount. 2. math problem ask for the amount of interest on $ invested for yrs at %, ...

algebra

Jacob has a mean score of 78 after his first four math tests. He wants to make a B, or an average of 80, in math. What does he need to score on the fifth test to have a mean score of 80?

Math

My second grader brought home this math problem for which I can find no solution. The sum of two numbers is 21. One number is two more than the other. What are the two numbers?

English

1. I have to do scince and math homework tonight. 2. I have to do my science and math homework. ------------ Are both grammatical? Which one is commonly used? Do you have other way of expressing?

Math

Math - Zo, Wednesday, April 22, 2015 at 8:44pm A wheel has s radius of 9 inches. If the wheel is rolled on a flat surface, how many revolutions will it take for the wheel to travel 90 ~ pie inches

math

math . please help me to answer this i really don't know what is the answer I need the answer later i have 2 more hours to finish this. please help me Find the value of x if the geometric mean of 2x and 19x-2 is 7x-2

Math

I'm just checking myself but here: Lily completed a math project worth 200 points. She earned all but 13 points. How many points did she earn? Isn't it 200-13??

math probability

maria thinks she has a 7 out of 10 chance of getting an A in Science, and an 85% chance of getting an A in math. Assuming these are independent events, what is her proability of getting an A in both classes?

math

A math problem in a workbook says to write a number sentence you could solve using these doubles. 35+35 The answer is supposed to be ____ + ____ = ____ What is the answer they are looking for???

math

Posted by Austin on Thursday, November 13, 2008 at 9:19pm. Luis bought eight bags of candy at the store for a total price of $21.54. He bought some bags of candy that cost $2.22 each and the rest cost $3.48 each. How many bags of the $3.48 candy did Luis buy? Responses Math - ...

2nd grade math

what is mental math and how does it work. the question is use mental math to find the missing numbers. look for the pattern in each chart.the chart ooks like eight boxes two rows of four, the filled in is 0,1,2,3,4the second row is empty, the second queston is make 6 two rows ...

algebra 1

I cannot find it in my text book I have a math problem : 2f2 + 9f + 6 for f = 10 The second 2 is to the second power. So with the order of operation do I muliply 2 by 10 first and then 20 the the second power? Thanks Math is really killing me!

MATH

24/(x+1) + 12/(4-x) = 14 Multiply both sides by (4-x)(x+1) 24(4-x) + 12(x+1) = 14(4-x)(x+1) 96 - 12x + 12 = -14(x^2 -3x -4) = -14x^2 +42 x +56 Combine terms and solve for x. sorry guys, here's another.I'm not the greatest at math but i do know some... The rectangle given has a...

answer a question

Why has no one answered my two math questions i put on here. Please look again UNDER your postings because I see answers there! Ashley, Be sure to look above this post. I reposted them so the math teachers might find them more easily. =)

ma

In a class of 100 students, 40 failed in Math, 30 failed in Physics, 60 failed in Chemistry. 35 passed in both Math and Physics. 20 passed in Physics and Chemistry. 25 passed in Math and Chemistry. Each student passed in at least one subject. How many students passed in all ...

math

Oregon is about 400 miles from west to east, and 300 miles from north to south. If a map of Oregon is 15 inches tall (from north to south), about how wide is the map? PLEASE HELP AND EXPLAIN IT Set up a proportion: 15/300 (the ratio of inches to miles, north to south) and x/...

English(Reed)

Same post, another question :) If propaganda is analogous to soma(body para 1), then what should I establish for the two other examples in my essay? Would the total control of the citizens' genetic, economic, social, and sexual freedoms be analogous to denial of independence/...

math

Can you please give me a few different math examples of what you meant when you said - You do not add powers with different exponents, but not powers of different bases. Thank you so much.

Math

In a math class there are 28 students. Each student has a 90% chance of attending any given class and students act independently. What is the probability that tomorrow's class has perfect attendance?

Math

Kenneth has 22 math problems to do for homework. He has 12 problems done.How many more problems does he left?if he completes 1 problem every minute,how many more minutes does he have to work?

Math

When a class took a math test, 15% of the class failed, 25% made some mistakes (but didn’t fail), and 24 students got perfect scores. How many students were in the class?

Math

Which of the following is an example of a ratio? number of dogs who like Good boy treats number of chocalates per bag number of people who like math all of the above Please help

Math

I need help with the following math problem. A sculptor has a 3lb block of clay. He ads 24 oz. of clay to the block in order to make a sculpture. What is the total weight of the clay before he begins sculpturing?

math word problems

nilsa is working on a 60 minute math test. there are 20 questions on the test. if it takes her 20 minutes to complete 12 of the questions, what is the greatest amount of time on average she can spend on each of the remaining 8 questions.

Grade 3 math

Never thought I would have a problem with Gr. 3 math - lol - but it goes like this. Write the addition or subtraction fact you will use to calculate each answer. Then add or subtract. 70 50 120 160 +30 +60 -30 -80 My question is what would the fact be???

Math - please elaborate

can someone please further explain my question on? it's just a farther bit down. The subject is "Math - help really needed" I think I almost got the answer, but I'm not sure where to go from there. really appreaite all the help so far as well; thank you. :)

math

I know it seems strange, but for our homework tonight in math class, our teacher had us list 10 things to say instead of "shut up." I only have a couple, and need some help, please list as many as possible, thanks so much!!

math

I know it seems strange, but for our homework tonight in math class, our teacher had us list 10 things to say instead of "shut up." I only have a couple, and need some help, please list as many as possible, thanks so much!!

math

I posted this question yesterday and I got a response that is correct but I still don't understand how he got it. What did he do with the 2? how do i find the slope of the curve at the indicated point? f(x)= absolute value of x, x=2 math - bobpursley, Wednesday, September 16, ...

Math

I am also having big trouble with this math problem. A teacher is making identical activity packets using 92 crayons and 23 sheets of paper. What is the greatest number of packets the teacher can make with no items left over? Please help me.

English1A-Critical Thinking and Writing

Miss Sue could you read it one more time if it makes sense, I changed the part about someone being born with the preconceived notion, I meant they are raised by parents that way but I don't know how to make it make sense. And I did a conclusion so I'm hoping it makes sense ...

chemistry

Calculate the hydronium ion consentration and the hydroxide concentration in blood in which the PH is 7.3. Hydronium = [H3O+] = 10-pH or [H3O+] = antilog (- pH) and I got 1.00 x 10^7.3 for both concentrations is this correct? ABsolutely silly. You did not do the math. PUt this...

5th Grade math

What is a partial-products algorithm. For example 87*65=? How do you do it and show your work? Here is how Chicago Math does it: 87 x65 multiply 80 x 60.....4800 multiply 7 x 60..... 420 multiply 5 x 80.......400 multlply 5 x 7 ........35 add the products.

math

what are division rules as it applies to the following 0/71= 23/23= 29/1= This is my daughter's 4th grade math and they are asking us to explain the didvision rules that are used to solve these problems. However they have not provided us with the division rules or their terms ...

Math

I am doing Direct Variation in math. I don't understand how to do it. It would be very helpful if you helped me with these problems: Is each equation a direct Variation? If it is, find the constant of variation: y=3/5x -3x+2y=0 -5x+2y=9 8x+4y=12

Math is this correct

There are 30 students in math class. Twelve belong to the photography club. Three belong to both clubs. How many belong to neither club? Is it 12?

Math

I am very sorry but I was wrong with the problem. The math problem is: 9 / (3.6-2.1) Thank you Anonymus for your answer but I want the problem that I wrote above. If you help me again pleaseeeeeeeee. I don't know how to resolve this. Thanks again.

math

Mr. Mole determined that 2/3 of the students in his math class had pased the final exam. If 16 students passed the test, how many students are in Mr. Moles class?

Math

Can you help me in math please, I don't understand this. My book shows me the area of a parallelogram, and area of a triangle, but it show me what to do if there's fractions in the problem. A. 12 1/2 ft2 B. 7 7/8 ft2 C. 8 1/4 ft2 D. 15 3/4 ft 2 Thank you.

chemistry

Can someone please help me with this one? Explain which of the following statements does not make sense: a. a role of masking tape weighs 350 micrograms b. 92 cm cubed of water was poured onto the table c. the room covers an area of 200 m cubed I was thinking it was b because ...

math

we are trying to figure out a 7th grade math problem. 7/3X=2/3 We can't figure this out...can someone help!

math

what if there is no common denomintor, or is there a such thing as no common denomintor, this is 5th grade math.plz help

Math

Math.. find limit help? Find the given limit. (x→ 1)lim: (square root x-1) + 1

Math

Hey umm what do you learn in the 5th grade math??? This is for my brother cause he is going to the 5th grade.

math

find the product of 27*60.then explain how you would use mental math to find the product of 27*600.

math

Find the product of 27×60. Then explain how you would use mental math to find the product of 27×600

Math

In a row of 15 mugs three are blue and the rest are red what fraction of the mugs are blue in math

math

compound interest compute the compound interest on 1)Rs 1500 for 2years at 6% per annum. please send answer This site explains compound interest and shows the formula for solving your problem. http://math.about.com/library/weekly/aa042002a.htm

english

(I need to complete an out line with a introduction and a thesis sentence or statement but I can find what I am looking for here is the article) This question expresses a commonly held (by women) negative stereotype about guys of the male gender, which is that they cannot find...

math

Hi, I have a math question that I need help with: g:-> 3(1.3)^x State equations for any asymptotes to the graph of g. I know what an asymptote is, but I do not understand this question...so lost. Help would be greatly appreciated. Thanks so much I'm a little unsure what ...

math

who created math

math

last post was math

math

I need help in math can you help.

math

i need help in math

math

What is a Math Monster?

math

what is a proportion? (in math)

Math

What does relative to math?

math

Thanks for all of the math help!!

Math

How do you study for math???

math

i need help with these 2 math ? 3/4-3/8 and 1/2-2/3 thank u

math

what does ! mean in math

math

what does ! mean in math

math

how is ! used in math

math

Thank you - Ms Sue ( math )

math

How did math originate?

math

what is a solution in math

Math

3(x+5)=3x(x+15) what math property is this

math

26 math words

math

26 math words

math

i need help in math but i don't get it

math

what is mental math?

math

How do you do the math for the problem 14 - 7 × 2

math

Math systems 3x-2y-z=-20 x-y=10

math

What is mental math?

Math

What does " mean in math

math

i need help with my math

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