# Math (Intergers)

141,747 results, page 20-
## 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

There are 28 students in math class. 22 of them passed the test. What percentage passed the test. -
## Math

Jared can work 54 math problems in 1 hour. How many problems can he work in 10minutes? -
## math

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

does anyone know where i can get a free interactive online tutor? I don't really need it all the time, I just need one for math when I'm confused. You guys all do a great job but I was wondering if anyone knows where a tutor would be. Anywhere from AIM to -
## 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 -
## math

Marla has three secret code cards. The first shows a 37. The second card has the first box blanked out, and the second box is a 2. The two code cards together equal the third card,which is 59. What is the missing number?. This is the word problem for 2nd -
## 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 -
## math

Use symbolic Math symbolic representation: 1. You observe that oen fox eats 100 rabbits each year. You have the idea that every increase of one int eh fox population will cause the rabbit population to decrease by 100. -
## 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 -
## 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 -
## Math

The function D(h)=7e^-0.4(h) can be used to determine the milligrams D of a certain drug in a patient's bloodstream h hours after the drug has been given. How many milligrams will be present after 9 hours. Round three decimal places. so 7e^(-0.4 x 9) = -
## Math

Help help!! Trying to help son with math homework.. Please help Create a table for each set of values. Test each table for equivalent ratios to find which set of values describes the proportional relationship of the two quantities. 66 ounces of peanuts to -
## 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

The function D(h)=7e^-0.4(h) can be used to determine the milligrams D of a certain drug in a patient's bloodstream h hours after the drug has been given. How many milligrams will be present after 9 hours. Round three decimal places. so 7e^(-0.4 x 9) = -
## 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 -
## Math

The Walters' backyard pool is rectangular in shape and is similar to the rectangle formed by their fenced backyard. The pool measures 10 ft long and 8 ft wide. If the length of the backyard is 35 ft long, what is the width of the backyard? Math - Henry, -
## 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 -
## Math

OK a pattern has 1 small square 1 3/4 on all sides middle has 5 1/4 on all sides large has 8 3/4 on all sides. I did'ent know how to do this now she wants to make the pattern 2 1/2 times bigger and show what will be the new lengths of the sides of the -
## Childhood Education

Learning to make candy from a recipe would relate most directly to which two of the 13 activity areas? A Math and science B Social studies and science C Cooking and math D Social studies and cooking -
## Math (probability) repost for Christine

Math - Christine, Tuesday, October 16, 2007 at 9:13am The odds against Amy winning the tennis tournament are 5:2. Find the probability that Amy wins the tournament ? -
## program planning

Learning to make candy from a recipe would relate most directly to which two of the 13 activity areas? A. Math and science B. Social studies and science C. Cooking and math D. Social studies and cooking -
## statistics

What is the probability that a student in a college of 650 students in both a math major and a computer science major ( assuming these events are independent) If there are 72 math majors and 105 computer science majors? -
## math

Posted by question on Wednesday, July 22, 2009 at 4:56pm. solve 5/8x + 1/16x=7/16+= the solution is x=___ Responses math - Mr. L, Wednesday, July 22, 2009 at 7:23pm 5/8x is the same as 10/16x That should help my final answer would be 7/27 do i have it -
## 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

You and a friend both take a math examination. You score a 98 out of 100 points and your friend scores 96 out of 100 points. Who scored better? Explain -
## Math

There a re 30 students in a math class. Twelve belong to the computer club, and eight belong to the photography club. Three belong to both clubs. How many belong to neither? -
## Math 213 Elementary Math

2. Let U = {x x is a female} A = {x x is a mathematician} B = {x x owns a pickup} C = {x x owns a dog} -
## 4 grade math

i have a question on a math problem, please#1 explain why 7*8 is not a number sentence. Next question is write two true number sentence. thank you! -
## Math

Jeremy got scores of 93,82,91, and 88 on his first four math test. What score must he get on the fifth test to have an average test grade of 90 for the five test ? Can someone explain step by step. Please -
## MATH please help with this ?

math professor is thrown off the matthews bridges, height 240ft, by a disgruntled calculus class with an intitial upward velocity of 10ft/s a) assumign the acceleration dude to gravity is -32ft/s^2,find the macimum height of the professor. b) find the time -
## math

a math professor is thrown off the matthews bridges, height 240ft, by a disgruntled calculus class with an intitial upward velocity of 10ft/s a) assumign the acceleration dude to gravity is -32ft/s^2,find the macimum height of the professor. b) find the -
## math

math professor is thrown off the matthews bridges, height 240ft, by a disgruntled calculus class with an intitial upward velocity of 10ft/s a) assumign the acceleration dude to gravity is -32ft/s^2,find the macimum height of the professor. b) find the time -
## math

a math professor is thrown off the matthews bridges, height 240ft, by a disgruntled calculus class with an intitial upward velocity of 10ft/s a) assumign the acceleration dude to gravity is -32ft/s^2,find the macimum height of the professor. b) find the -
## 5th Grade Math

Complete each pattern: 25,_____61,_____ We are thinking 43 and 80 since you can count up and down by even and odd. 64,_____,_____,_____,32 This one is no clue 25,43,61,80 YOUR RIGHT ABOUT THIS ONE 32,40,48,56,64 YOU GET THE ANSWER BY MULT BY 8'S Thank you -
## 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 -
## 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 -
## Math-Probability

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 -
## 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(t-300)+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 -
## math

Solve following system of equations? x+3z=-2 2x+2y+z=4 3x+y-2z=5 i need help with few so i can get hang of this math plz. Perform row operations write new matrix [132 -312 2-11| 073] R1+R2 using x,yand z variables write system linear equations represented -
## math

the bar and graph shows the number of students by major in the college of arts and sciences. What is the ratio of history majors to the total number of students in the college? Math-200 history-300 english-400 science-150 other- 175 -
## Math

Hi I did a quiz today it said I got A 5/9 but it did not show me the correct answers or the ones i missed so if it could be possible that someone could the answers so I could see which ones I need to fix please help me I just came here to see which ones -
## TI N-spire

ok so i kno this isnt a math prblem, but it a question that im sure many people would love an answer to. Is there any easier way to change the mode on the n-spire from degres to radians(or vice versa) without having to go into th document, graphs, and -
## Heeeeeeeelp

Read the following instructions in order to complete this assignment and review the example of how to complete the math required for this assignment: Use the properties of real numbers to simplify the following expressions: 2a(a – 5) + 4(a – 5) 2w – -
## 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

Situation: You exercised 24 hours each month for a year. How many hours did you exercise by the end of the year? You may be able to do the math mentally thanks to expanded notation and the Distributive Property How would I put this into distributive -
## Math

I have a few math problems that I need some help with. I am somewhat confused on the one below. Nancy hears a report that the average price of gasoline is $2.82. She averages the prices of gasoline near her home. She finds the average price of gas to be -
## 5th grade math

My daughter must correct the problems that she has gotten wrong in math, and we are trying to help her. I can not remeber how to write decimals in exponential form, and I tried looking in her book. Can some one help me so that I can help my daughter. -
## 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

In a recent Math Duel, my team began by graphing 51x+24+75. If our opponents graphed a line parallel to ours, they might have graphed A. 17x+16y=25 B. 17x+8y=50 C. 34x+8y+50 D. 34x+16y=50 -
## 4th Grade Math: Help Is Needed ASAP

My son is in the fourth grade and is needing help with these math problems. Can someone please help him with these problems. 1. 2/3+2/9= 2. 3/5+3/10= 3. 5/12+1/3= 4. Find the sum of 1/6 and 1/12 5. Add 1/4 to the answer in Exercise 4. 6. What is the sum of -
## Math - 2nd try

Please show me how to set up and solve: You have 6 cups of sugar. It takes 1 cup of sugar to make 24 cookies. The function c(s) = 24s represents the number of cookies, c, that can be made with s cups of sugar. What domain and range is reasonable for the -
## 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? -
## Math

Hello I truly need some help on the below math problem. The mass of the sun is 2 x 10 to the 27th power metric tons, or 2 x 10 to the 30th power kilograms. How many kilograms are in one metric unit? One metric ton is equal to _____ kilograms. How would I -
## Math

Can you help me understand this math problem...I could figure it out the long way but I think there is a formula that I can use that I'm not remembering: I have 18 different colors of marbles. I'm going to arrange them in sets of three. I want to do this 6 -
## Math

Hello everyone. I have a math problem that I need a bit of help with please. Ava wants to ride the Rip Ride Rocket roller coaster at Universal Studios. She knows that she has to be at least 40 inches tall. If h represents the height of the children that -
## Statistics - can someone check me

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 -
## 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 -
## math exponents

x to the - power x to the fraction power x to the -fraction power how are they different? 2-2=1/22=1/4 21/2= sqrt 2 = 1.414 2-1/2=1/21/2=1/1.414=0.707 math is really gay u no what is the historical facts on exponets -
## math

If a man drove 3.5 miles to a gas station and on the way home drove 2 times that +.7 miles,how many miles did he drive?? 3.5 + 2 times 3.5 + .7 = what Do the math. 17.5 omg ur so smart... -
## 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 -
## math

I need help figuring out these four euations with integers 5x=-25 6x-4=-40 x - +5=0 is this one 3 -x+7=-7 isnt this on 14 please help thank you very much OK, for the first one (5x=-25), you would go: -25 divided by 5, and that equals -5. The second one is -
## math

I have a math question for my cell biology class. A molecule exchanges places with its neighbor every 10^-7 seconds. It will diffuse from one end of a 2 micrometer cell to the other in 1second. Ok now I have a 6M x 6M room filled with 4cm ping pong balls. -
## Math (not specific knowledge, just research)

For math class, we are planning an indoor carnival. We need to figure out the size of each exhibit and vendor, and make sure all of them fit into the space. We can choose any large indoor space we can think of. I did some research online and chose the -
## Math

Im trying to help my daughter with some math homework and Im stuck can you help me please this is the problem Jeremy has been home sick with the flu for the last 7 days. While absent from school, he got 31 get well cards from friends. there were 5 more -
## intermediate algebra

inequalities –1 ≤ x – 3 ≤ 5 –2x – 5 < –2 or x – 3 < –10 Be careful of how a negative x-term is handled in the solving process. Show all math work arriving at the solutions. •Show the solution sets written algebraically and as a -
## 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

lilly made a 75 on her history test and an3 on her math test. the mean grade on the history test was 72 with a standard deviation of 5. the average grade on the math test was 81 with a standard deviation of 4. which test did lilly do better? -
## 6th grade math

a farmer is rewarded for saving the king. he can either get 1000 gold bars up front or payment over time for 100 days which begins at 2 gold bars the first day, 4 the second, 8 the third, 16 the fourth, and so on. which one should he choose and why. Show -
## 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 -
## MATH

MY MATH TEACHER WANTS IS TO BUILD A HOUSE AND THE MEASUREMENTS ARE SUPPOSE TO BE A TOTAL OF 2100 SQUARE FEET AND IT'S SUPPOSE TO BE FOR EVER 1 INCH IS 2 SQUARE FEET DO HOW MANY INCHES WOULD THAT BE AND I WAS THINKING OF MAKING IT OUT OF POP STICKS BUT I -
## Math

Why can't the slope of a line be expressed as a decimal or a fraction? The slope of a line should be expressed as a fraction. The formula is Rise over Run. Rise is how much further up u go and run is how much further across do u go. Does that answer your -
## 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

Fractions and mixed numbers are often used in everyday life. Discuss a real-life example in which you would need to add, subtract, multiply, or divide fractions or mixed numbers, and show the math -
## 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

Elliot finished studying at 4:45 p.m. He spent 30 minutes reading a social studies chapter. he spent 45 minutes on his math homework. At what time did Elliot begin studying? -
## math

in a math contest of 20 problems. 5 hpoints given each correct answer. 25 points are deducted for each incorrect answer. if janelle answered 20 problems and scored 72 points. how many correct answers did she had? -
## 5th math

I need help with my math .What is the least Common Multiple (LCM) for 6,4,and 8.? please! show how you get the answer. cause, i got( 2,2,2) i'm not sure of myself at all. thank you! another one problem i'm really confuse is the Write a 9- digit numeral -
## transitional math

Im stuck on questions can anyone help me ? A)Which situation can be modeled by tossing a coin 3 times choosing which one of sixteen teams will win a tournament? B)picking one of six math teacher, C)decide which English teacher of eight will win a trip to -
## 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 $1300.00-26.00=$1274.00w/disc My answer is -
## 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? -
## Math(Please Check!)

1. Which line is the flattest (or is less steep)? Why? a.y = 5x -6 b.y = 5x + 6 c.y = x - 3 d.y = 1/2x + 3 I think It is C.It has the smallest slope. Someone Please Help me! ...Help me... Doesn't d have the smallest slope? 0.5x. Please...I just want to -
## Math

What is 5/8 + 4/7 -1 ? I can't understand this math problem.... Please help me.... ------------------ Problem: In a boys' school, 5/8 of the boys play football and 4/7 play rugby. If every boy plays at least one of the two games, find the fraction of the -
## Math

At the beginning of the year last year a math department budget was 15% of the total budget. This year it was 10% of the total budget. What percet did the math department budget decrease from last year? -
## 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

1. They elected the girl captain of the team. 1-2. 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 -
## Math

Samantha has homework in five subjects tonight. She has 15 minutes of science, 20 minutes of math, 30 minutes of reading, 20 minutes of writing, and 15 minutes of geography. If her mom walked in randomly while she was doing her homework, what subject would -
## Speeches

I have to write/ present a speech to become treasurer for my 7th grade class... things i know: I am in accerated math I am responsible I was a representative in Student Council last year I am not certain how accelerated math is helpful in the position of -
## 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 -
## math

Alexandra correctly answered 90% of the questions on a math test. If she missed 4 questions, how many questions were on the test? -
## Math

Here is the graph for the question: Year|Average Gas Price 2005|$2.25 2006|$2.25 2007|$3.05 2008|$2.78 2009|$2.25 2010|$2.52 2011|$3.40 2012|$3.51 2013|$3.40 2014|$2.96 2015|$2.34 What equation models the data? What are the domain and range of the -
## Math Inequalities

-9/8x greater than or equal to -1/16 can someone please check my answer? my answer is x greather than or equal to 1/18 is this correct? if not what is the correct answer and what is the correct way to solve this problem..maybe I missed a step or did not do -
## 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) -
## 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 -
## 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 -
## 6th grade math

Yes I am not smarter than a 6th grader. How do I show the math and in the simplest form for the following: A sixth grade class has 100 sheets of lightweight paper. They use 3/4 of the paper for a collection of class poems. What is the total thickness of -
## 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. -
## maps and scale drawings math MATH HELP help !!!!

the actual distance between two cities is 135 km. The map scale is 1 cm : 100 km find the map distance. A)13.5 cm B)1.35 cm C)0.135 cm D)1350 cm -
## Math

I am very confused on how to figure out the below math problem: A traffic light changes every 30 seconds. Another traffic light changes every 40 seconds. Both lights just changed. After how many minutes will both lights change at the same time again? -
## 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