dwrls,math

138,211 results, page 13

Math

Five students took a math test. The average score was 82. Four of the students' scores were 76, 85, 90, and 64. What was the fifth student's score?

Math

I have a math problem. Joleen saved \$85 dollars from babysitting to spend on CDs. Every Monday a music store has all CDs on sale for \$5.95 each. How much change will she receive buying as many CDs as possible? Thanks

Algebra II

The grades on the last math exam had a mean of 88%. Assume the population of grades on math exams is known to be normally distributed with a standard deviation of 6. What percent of students earn a score between 72% and 90%? (5 points) 0.6255 0.5843 0.6754 0.5346

Math

Im having trouble on an Eureka Math question.It says: "Descibe the steps you woukd take to determine the distance in miles between two towns that are 200 kilometers apart?" So the unit rate is 6 1/4 miles per kilometer.

MATH HELP PLS

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

Math repost for Jose

Math - jose, Sunday, October 14, 2007 at 12:55pm <EAB and < ABC are right angles,AB=4,BC=6,AE=8,AC and BE interset at D.What is the differens the area of triangle ADE and triangle BDC

Computer/Math

Okay, we are doing this Math Excel thing...and it's asking me about the feild name i would use for something... what is the feild name? Is is the subject you put at the top of the row? Or is an option...please help me a.s.a.p someone!!

Math

Darby guesses the answers to six questions on the math portion of her college entrance exam. Each question is a true or false question. What is the approximate probability that at least 4 of her answers are correct? A. 0.23 B. 0.34 C. 0.66 D. 0.78 Is it B?

Math

Darby guesses the answers to six questions on the math portion of her college entrance exam. Each question is a true or false question. What is the approximate probability that at least 4 of her answers are correct? A. 0.23 B. 0.34 C. 0.66 D. 0.78

Helping Sites 4 Math

I know this really isn't a type of question for subjects, but i was just thinking, are there any sites for teaching math? I finished summer school, and i just want to review stuff in case i forgot.

math

100 eighth grade students were interviewed about their favorite subject at school. 45 said Math, 70 said English, and 5 said neither. Using a Venn diagram, how many said both?

Typos, math, physics

Would everyone who posted math and physics problems this morning please go back and check for typos? It is difficult to guess what you mean and we do not have your text book.

Math

I am doing a worksheet that says to solve all problems to get the answer to "which Arctic animals love math?" I did not get the riddle. Does anyone know the answer? I would love if someone got back to me on this one. Thanks, Ishaan.

TIP MATH!

Explain how mental math can be used to estimate a 15% tip on a taxi ride that costs \$23.25. PLZ HELP! BE VERY Descriptive on how you did this! I'm Sick Today So I've Barely Have Brains To Do This Today, So HELP!!!

Math

A container has capacity of 2/3. It is filled 3/4. How many liters of water will be left in the container after 1/6 liter is poured out? I have no idea how to do this problem! Please help guide me through this math problem! Thank You!

math

Marta’s math textbook weighs mc017-1.jpg of a pound less than 4 times the weight of the book she is reading for her language arts class. If the weight of the math textbook is mc017-2.jpg pounds, which shows the correct equation and value of x, the weight of Marta’s book ...

math

calculate the amount a person would earn over a period of time if his or her salary were a penny the first day, two cents the second day, and so on doubling each day. Day Pay =============== 1 0.01000 2 0.02000 3 0.04000 4 0.08000 5 0.16000 Your total pay is 0.310000 MY ...

Math

Need help! this is out of my math book. max had 192 apples. kyle had 409 apples. If abby adds them together then divides them by 3 what would it be? also adding onto that is 95?

in a lesson about reading strategies and making predictions in math i was asked this... celia has a new kitten. it is 5 inches tall. will it be 5,12, or 24 inches tall when it is grown up? how do i fgure this out?

Math

If someone earns \$960 interest over 4 year period on a \$6,000 investment, how do I solve this to find the percentage of interest per year. I know it is 4%, I just can't figure out how to show the math.

math

Hi, Can someone please help me with my math. The distance between Capeton and Jonesville is 80 miles. Thescale on the map is 0.75in : 10 miles. How far apart are the cities on the map? A. 6in B. 60in C. 600in D. 1067in Thank you :)

Math

The final math grades for all 6th graders were A: 125, B: 200, C: 350, D: 95, and F: 25. Make a bar graph to display this data. In the box below, write a description of your bar graph.

math

The final math grades for all 6th graders were A: 125, B: 200, C: 350, D: 95, and F: 25. Make a bar graph to display this data. In the box below, write a description of your bar graph.

math

plz help students in a math class need an average of at least 90 points to earn an A. one student test scores are 88,91,and 85 what must be the strudent score on the nest test to earn an A? it is Inequalities

WHICH DATA LANDMARK BEST REPRESENTS THE NUMBER OF HOURS A TYPICAL STUDENT WATCHES TV-------------------- THE MEAN, MEDIAN, OR MODE wHY????????????_____________________________________________________________________________________________________________________________ ...

math

You have several 5x11 rectangles, using only these rectangles, what can you make? A) 39x54 rectangle? B) a 39x55 rectangle? Plz help my parents are at work and sisters are doing homework, I'm 9 help!!! ( math due tomorrow!! )

Repost Math for Steve Dowling

Math - steve dowling, Thursday, September 13, 2007 at 8:44pm what is -5/18 (8/15)= Can you show the work Thanks

math

How do I make a math factor tree using the number 115 and make it look like a tree for real?

math

what type of math problems exemplify the different purposes of variable, and in what way do these different uses of variable can be confusing?

math

math problem: a snake is 60 inches long. It grows 3 inches every year. How long will it be y years from now?

math work sheet

I do not get my math !!!!!!! I mean when it says like a number equals blank percent of a number 13 equals % of 16 what do i do

exponential functions in math

my daughter needs some help studying for a unit test using exponential functions in math

Math

On a recent math exam, Alex received a score of 92%. His z-score is positive 2. If the mean for the exam is 84, what is the standard deviation?

Math (Discrete Math)

find the least positive integer N so that 1<gcd(N, 271) < gcd(N, 2014). Explain how you find N. Thanks for your help

Math

I need the answers to the Unit 1 Lesson 13 Geometry test! Please! Connections academy math unit test.

Math

I am trying to help my grandson with his math homework. When I went to school we never learned this and I am at a loss. The question is: Create an equivalent expression at includes at least one parenthesis so that the value of the expression is 144. The expression is 4+5x17-3 ...

math

you want to use a square section of your yard for a garden. You have at most 52 feet of fencing to surround the garden. write and solve an inequality to represent the possible lengths of each side of the garden. Math - Dylan, Tuesday, March

math

Explain how to form a ratio and how ratios can be used to compare two numbers. Please help me Thanks http://web.math.com/school/subject1/lessons/S1U2L1GL.html#sm3

Math/Financing

I need help with a math problem. If someone finances an item at an apr rate of 17.99% interest, and pays all charges off in 2 months, what will the total amount paid for the item be. Assuming there is no annual fee and the minimum finance charge is \$2.00

I am very bad at fractions.Can anyone tell me what a multiplication sentance is? The book gave me a model. It is an expression in math or written form. John had 1/2 of the pizza, and he ate 3/8 of that. How much did he eat of the original pizza. 1/2 x 3/8 dont know 25.70 ...

Math

Dear Reiny! U r a life-saver! Is there a short cut to how can I set the question or change word problems into math one? It seems that this is my problem! Also, why did my way worked as well with different answers? My answers satisfied all equations as well. Many thanks.

MATH

MY MATH PROBLM 7(x-2)= 7x+14 Answer 0 -10(x-1) = 10-10x Answer x=-1 AM I correct

Math or Maths???

Which word is correct to use? Math or Maths?

math, science

what are the difference and similarities between math and science

math

In a college, 30 students are taking a math class and 20 students are taking an English class. 5 students are taking both English and math. How many students are taking either English or math.

math,algebra

How do you solve these types of math problems. Directions: Solve each literal equation for the indicated variable. A=1/2h(B+b) (For b) Area of a trapezoid It is just a matter of algebraic manipulation. A=(1/2)h(B+b) Multiply both sides of the equation by 2/h. B+b = 2A/h b = (...

Math-Proportions

My math question says- 1 1/2:9 = x:18 Now I gotta figure out the missing number [x]...I have 3 guesses on what answer the missing number [x] is! Either- A)2 1/2 B)3/4 or C)3 Which one is it? 1 1/2:9 = x:18 1 1/2/9 = x/18 x = 1 1/2*18/9 x = 3 hi i like garry unfortunately its ...

computers

I was wondering if someone could please help me for homework I need to submit math answers using Microsoft Equation Editor, Math type or similar software what if I don't have any of them what can I use I am not sure if I have any of them Not sure thanks for any help

Math

OK, I have had trouble with math, 'C' average, and we are learning proportions. I don't get them! Can someone please do a proportion and then tell the steps to do it? Ex. 4/6= 8/X. Steps: 4/6 equals 8 over x. You do _______ do get ________ over , so X=12. [I know this is rong...

math

In math class, students must randomly draw a card that contains an equation that they must graph on the board. If the cards contain the equations 2y = 4x + 2, x(x + 1) = 0, 2x + y = 0, x = 2y , x2 + 1 = 0, and y - 2x = 0, then what is the probability that a student will graph ...

A 20 ounce bag of popcorn costs \$2.80 at the movie theater, if the unit price remains the same, how much would a 35 ounce bag cost ? Please help me, I'm in math class and Im stuck.

Math

Describes a real world situation using words as label and using math symbols to relate the words.. Its a vocab work. And the school couldn't get me a text book today because my names not in the system. PLEASE help me:((

Math

I have math HW and these are the questions i wasn't aware of how to answer... please help. a)Prove that 4x-y-1=0 is parallel to y=4x-5 b)Show that the points A(3,1), B(5,2) and C(11,5) are collinear c)Show that the lines y=2x-4 and x+2y-10=0 are perpendicular to one other. d) ...

Math

I am stuck on doing this math problem written on a sheet of paper. (eighty-one thousand minus fifty-five thousand, four hundred fifty-six) It mas to be done manually, without a calculator.

PLEASE HELP WITH MATH ANY HELP OR ANSWER IS APPRECIATED! 1. If the hands on a round clock moved counter-clockwise, to what number would the minute hand point 20 minutes before the hour hand pointed to the 3?

math

Hi, How do I improve my math skills? I can't calculate in my head (I.e 2x43), I would actually have to write it down to solve it. I took pre-calc, calc and didn't have problem understanding. I don't know what is wrong. what should I do?

math literacy, all sciencez

I'm a student doing grade 12 my subjects are math literacy, geography, life sciences,physical sciences,L.o ,xitsonga and English and would really want to know the best career path or choice for me.

Math

I need help. So supposed that you have three diffrent lenghts of linking cubes as shown below . ( 5 blacks, 3 whites 2, reds) Assume that you have as many of these lengths as you need, but you may not take them apart. a) 25 d) 29 b) 20 e) 30 c) 18 f) 32 Grade 7 Math.

math

Would this be a good resource for my students? This website? Yes, I believe so. We have several people who are very good at helping students with their math homework questions, from elementary school through college levels. Be sure to check out the Mathematics collection, too...

math

A student has 4 English books,3 math books,and 5 history books.In how many ways can these books be arranged on a shelf if the books in same subjects must be kept together?

Math(Unit Rate)

If 20 units= 10kg whats the unit rate? http://www.eduplace.com/math/mathsteps/6/e/ is that your gf? "sam"???? 20/10 reduce,= 2/1 divide,=.5 Kg/unit calculate the unit rate what dose this mean Find each unit rate. \$112 in 8 hours

Math

Can someone help me with this math problem: e g g + e g g --------- p a g e a=____ e=____ g=____ p=_1___ How we started: p = 1, and g is greater than 5. Thanks!

Math

Many solved 25 questions of his math assignment.This was 1/8 of total questions. He does not know 1/5 of the rest. How many questions were there in all? How many did he not know?

please help with the below question writing in math Bethany has 40 apples. Write a subtraction story about the apples that would require regrouping. Then write the answer in a complete sentence. Thanks!

Math~

Mr. D. O. Nutt brought a baker’s dozen, or 13, pastries to the math department meeting. Everyone ate at least 1 pastry, some (not all) had 2, and one person had 3. What are the possible numbers of people who could be in the department?

algebra 1

princess leia is a very good math student. Her average math grade was a 95 on her 15 tests. If Darth Mangham decides to drop her lowest grade, write an expression to determine her new test average.

math

what is the effective rate formula? There are numerous effective rate formulas in math. You will need to be more specific.

MATH

WHAT IS A VERB? This is an English question -- not a math question. A verb is a word that shows action or a state of being.

im in advanced math so i do 8th grade math and i don't understand how too gragh the fractions in equations like y=2/3x+1

algebra/common math

how do I solve this? I know it's common math, but I cannot remember how! -4x> 1/11 I think I multiply both sides by 11, but..... I can't remember how!

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

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?

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

I'm working on some review problems in Math and having trouble on the critical thinking one. The question says is it possible for 2 numbers to have the same LCM and GCF? Explain. I'm not sure where to begin on this. I know how to do both types of problems but don't know how to...

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?

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?

Extra Credit

This isn't really a question most people ask, but I have to! There is this extra credit for each subject Social Studies, math, Science, LA, etc. The one's I don't have good grades on are Math and Language Arts. My father is leaving on a trip tomorrow, so I don't have a lot of ...

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 221

Math 221 - Ms. Sue, Sunday, July 13, 2014 at 2:24pm I've done several problems for you. Now it's your turn. How do you think this problem should be solved? Answer this Question I was thinking that I should multiply the numerators and denominators

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 ...

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?