Saturday

February 25, 2017
**College Algebra**

Charlie can grade exams in 2 hours. It takes Mark 6 hours to grade the same exams. If they work together, how long will it take for them to grade the exams?

*Wednesday, March 30, 2011 by Devin*

**appling middle**

If the data were displayed in a circle graph, what percent of the graph would represent the seventh grade? Enrollment is Sixth grade 64, Seventh grade 64, and Eighth grade is 70

*Thursday, March 10, 2011 by ry*

**maths**

The probabilities of a student getting grade A, B, C and D are 0.2, 0.3, 0.15 and 0.35 respectively. Then the probability that the student gets 1) At least C grade is __________ 2) At most C grade is ___________

*Thursday, March 10, 2011 by Sharon*

**Chemistry**

(A) is a solution of hcl (b)is a solution of koh titrate against b8 record your titre values as follows burretreading|rough|1stread|2ndread|3rdread/finalrding under rough|33.50|un der 1s rd |33.50|under 2nd rd |33.60| under3rd rd|33.70 intial rding under rough|0.00| 1st...

*Wednesday, March 2, 2011 by Kc luckydony*

**Ecology**

Estimate the fish population of Lake Champlain using the Lincoln-Peterson Method. -Number of fish of 1st capture: 60 -Number of fish of 2nd capture: 65 Marked fish in 2nd capture: 10 -Number of fish of 3rd capture: 65 Marked fish in 3rd capture: 15 -Number of fish of 4th ...

*Wednesday, February 16, 2011 by Anonymous*

**algebra**

12 to the negative 2nd power

*Monday, January 24, 2011 by kaivon*

**College Algebra**

simplify x-2/8x to the 2nd power - 32

*Thursday, December 23, 2010 by Leann*

**Math**

If a grade was drawn at random from the data shown below, what is the probability that the grade is not a B? Grade Frequency A 2 B 8 C 11 D 2 F 1 I think it is 1 out of 5 or 4 but I am not sure? Please help :) Thank you much!

*Sunday, December 5, 2010 by Shannon*

**6th grade**

Of the sixth-grade students surveyed, 12% bring their lunches to school. Suppose 24 sixth-graders do this? How many sixth-grade are at the school?

*Wednesday, December 1, 2010 by Anonymous*

**math**

At Smart Middle School students are required to take 7 classes each grading period. At the end of each grading period a student is assigned a final grade (A, B, C, D or F) for each class for the grading period. A student’s overall grade point average for the grading period ...

*Tuesday, November 16, 2010 by Anonymous*

**8th grade**

At Smart Middle School students are required to take 7 classes each grading period. At the end of each grading period a student is assigned a final grade (A, B, C, D or F) for each class for the grading period. A student’s overall grade point average for the grading period ...

*Monday, November 15, 2010 by Anonymous*

**Physics**

Two People who weigh the same climb a flight of stairs. The 1st person climbs the stairs in 30s, and the 2nd person climbs them in 40s. Which person does more work? which uses more power. - I would personaly think the 2nd person does more work and power cus she weights the ...

*Monday, November 15, 2010 by Lee*

**Physics**

Two People who weigh the same climb a flight of stairs. The 1st person climbs the stairs in 30s, and the 2nd person climbs them in 40s. Which person does more work? which uses more power. - I would personaly think the 2nd person does more work and power cus she weights the ...

*Monday, November 15, 2010 by Lee*

**Math**

At Smart Middle School students are required to take 7 classes each grading period. At the end of each grading period a student is assigned a final grade (A, B, C, D or F) for each class for the grading period. A student’s overall grade point average for the grading period ...

*Monday, November 15, 2010 by 7890-8*

**2nd grade**

The sum of my ones digit and tens digit is 10. My tens digit is les than my ones digit and both my digits are prime. i am a prime number. what number am i?

*Wednesday, November 10, 2010 by damien*

**comparing fractions**

at Morris Elementarhy there are 45 students in each grade, four though six. In the fourth grade, 19 participate in sports after school. Two out of every six fifth grade play sports after schoo;. In the sixth-grade class, seven of every ten students are not playing sports. ...

*Wednesday, November 3, 2010 by maria*

**Math**

How is 3x2 different from 3 to the 2nd power ?

*Tuesday, September 21, 2010 by Rose*

**2nd grade**

it says i must skip count by 10 for 1-100. then skip count by 3 for 1-100. then it says what do i see when i skip count by 10 and 3 for 1-100... i have no idea what they are talking about. plz help

*Thursday, September 2, 2010 by unknown*

**algebra**

10+2[2+(1+1)-2 to the 2nd power]

*Tuesday, August 31, 2010 by travis*

**math**

Factor the expression: x to the 2nd power+3x+2?

*Tuesday, July 13, 2010 by andrew*

**Math - Magic Square???**

My daughter is in 2nd grade and has a worksheet called Magic 26. It wants her to use the numbers 1 -12. Each row, column, and diagonal must equal 26. The four corners and four center numbers must equal 26 too. (example of puzzle below) Please help solve. THANKS!!!!! {____}...

*Thursday, June 17, 2010 by Janel*

**what can i compare middle school to?**

what can i compare middle school to? (use in metaphor), based on 6th, 7th, and 8th grade. for example playing monopoly 6th grade - buying properties, 7th grade- adjusting to the game, 8th grade - stress over money

*Sunday, May 16, 2010 by NEEDSHELP(:*

**algebra**

(-3x+4)+(x tothe 2nd power +x-5)

*Saturday, May 15, 2010 by rory*

**2nd grade**

the homework is about quotation marks. Add quotion marks if the sentence needs them. Write an x after the sentence if quotation marks are not needed. 1.- Cal wants to collect rocks. 2.- He asks, Mom, can I have a bucket for my rocks?. 3.- His mom gives him a big bucket. 4.- ...

*Wednesday, April 28, 2010 by susana*

**find my grade average**

-10% of my grade *82 -20% of my grade *100% *100% *100% *100% *100% *100% *100% *100% *82% -30% of my grade none -40% of my grade *76% reply as soon as possible. thank you!!!!

*Sunday, April 18, 2010 by magy*

**math**

division (x to da 2nd power + x - 6) / (x - 2)= ?

*Thursday, April 8, 2010 by crystal*

**Math 157-1**

Use the data in the grade-distribution Use the data in the grade-distribution table below to construct a circle graph showing the distribution of grade types in Ike’s class. Grade Frequency A 2 B 8 C 11 D 2 F 1 How would the graph change if there were twice as many of each ...

*Friday, March 19, 2010 by Tyga*

**Calculus**

2nd derivative of 3t^2 Cos(4t)

*Wednesday, March 17, 2010 by Anonymous*

**Algebra**

How do Isolve this, 10q-25q to the 2nd power

*Thursday, March 11, 2010 by Jayda*

**English**

I have a prompt for an English essay and it says, "In a well developed composition, identify the character, describe what the character questions about society, and explain why the character's questioning is important to the meaning of literature." It's supposed to be five ...

*Monday, March 8, 2010 by Ana*

**math**

how would u factor ab (to the 2nd power) - b

*Sunday, February 21, 2010 by anne*

**2nd grade Math**

The following is a table Range in lb Number Under 50-54 4 55-59 7 60-64 6 65 and higher 2 1. Write a simple comparison problem about the weights in the above table. 2. Weite an addition proble about weights. 3. Write an addition problem about the table as a whole.

*Monday, February 1, 2010 by Nathan*

**1st grade Math Fair**

My school is planning a Math Fair. Each grade will compete with same grade team members. The rules are: TO make it fun and use Al. math strands . The problem is I don't know where or how to begin this project. Can anyone help?

*Friday, January 1, 2010 by Joyce*

**Math**

what is 12 to the 2nd power?

*Sunday, December 6, 2009 by Sierra*

**math 6 grade**

If 2 people have 60 shares of stock between them and you double the number of shares of the 1st person and half the number of shares of the 2nd person so that they both have equal shares. How do find the number of shares the 1st person has?

*Thursday, December 3, 2009 by Janice*

**Math**

Use the data in the grade-distribution table below to construct a circle graph showing the distribution of grade types in Ike’s class. Grade..Frequency A......2 B......8 C......11 D......2 F......1 How would the graph in Exercise 7 change if there were twice as many of each ...

*Sunday, November 1, 2009 by Anonymous*

**Math**

Use the data in the grade-distribution table below to construct a circle graph showing the distribution of grade types in Ike’s class. Grade..Frequency A......2 B......8 C......11 D......2 F......1 How would the graph in Exercise 7 change if there were twice as many of each ...

*Tuesday, October 27, 2009 by Anonymous*

**Algebra 1A**

From a base elevation of 8200 ft. a mountain peak in colorado rises to a summit elevation of 14588 ft. over a horizonal distance of 15842 ft. find the grade of the peak. The grade of the peak. The grade of the peak is %. Round to the nearest tenth as needed. Someone help ...

*Thursday, October 8, 2009 by Don*

**7th grade Pre-Algebra**

Using the definition, 10(to the negative sixth power) = 1/10to the six power and x(negative2) = 1/xto the second power The definition also shows that 1/10to the six power = 10to the negative 6th power and 1/xto the 2nd power = x(negative2) I think that's the directions :S 1. ...

*Tuesday, September 22, 2009 by Dean*

**Algebra**

Solve the following 2x (2nd power) + 5x - 12 = 0

*Monday, September 14, 2009 by Pat*

**algebra**

Simplify the following expression 2(3 x - 2)(2nd Power) - 3x (x + 1) + 4

*Sunday, September 13, 2009 by Pat*

**Grammar**

which is the complete subject,simple subject The two-and-a-half-month-old child received 2nd degree burns across the bridge of his nose. simple subject is: received 2nd degree burns :complete subject is two-and-a-half-month-old

*Sunday, July 26, 2009 by Jordan*

**Mathematrics**

Each diagram in the sequence is obtained by drawing of a 1 unit square on each side that forms the perimeter of the previous diagram, the 1st digram contains (1) square, the 2nd diagram (4) squares and the 3rd diagram (13) squares, I would like to know how to find how many ...

*Wednesday, June 17, 2009 by Brittany*

**visual basic**

Cant get my message dialog box to display anbody see waht wrong with it? The message box is located in my if then else statement Dim total As Integer = 0 Dim gradeCounter As Integer = 0 Dim grade As Integer = 0 Dim average As Double = 0 ' sum grades in ListBox Do ' read grade ...

*Thursday, May 7, 2009 by cl*

**9th grade science**

Explain which statement is correct: energy is lost when water is boiled or the energy used to boil water is present, but it is no longer in a usable form unless you use work or heat to make it usable. i think that the 2nd one is correct because i no that energy is not lost ...

*Tuesday, April 28, 2009 by bobbi*

**math**

dividing moniomials. 2 to the 2nd/2to the -3

*Sunday, March 8, 2009 by lo*

**2nd grade**

can you please help me with my project its about different types of Transportation eg water transportation, land trasportation and air transportation i found out land and water but cant fine anything about AIR can you please help me as my project is due tomorrow, thank you.

*Wednesday, February 25, 2009 by charissa*

**2nd grade**

Okay, my child is doing problem solving lesson 5-7 in scott foresman addison wesley book. The question that we are having a problem with is a number line. there are 10 spaces in the number line and the clues are: Clue 1: the number are between 70 and 82 Clue 2: the first ...

*Tuesday, January 20, 2009 by Dawn*

**2nd grade**

Carly looked at a map of her neighborhood and saw that the streets form 16 intersections. Some streets on the map were represented by horizontal lines, and some streets were vertical lines. How many streets could there be in Carly's neighborhood?

*Sunday, November 16, 2008 by Chris*

**Math**

Hi! im looking to find relationships between sets of polygonal numbers. I have found a few through the use of finite differences, (a relationship occurs between the formula to determine the polygonal number). I have also found that the 2nd derivative of these formula ...

*Tuesday, October 14, 2008 by Bob*

**3rd grade**

There are 33 students in the band. There are 6 more fifth-grade students than third-grade students. There are an equal number of third- and fourth-grade students. How many third-grade students are in the band?

*Wednesday, October 8, 2008 by Kristina*

**english**

I need you to grade my paper for me . I don't have a car and I don't know the area well enough to ask anyone to grade it for me I just want you to grade it for me. and leave the red marks on it for me so I can correct it my self and send it back to me through email. If it's ok...

*Friday, October 3, 2008 by Bernadette*

**algebra**

7s over 5t to the negative 3rd power 2 to the negative 3rd power times X to the 2nd power times Z to the negative 7th power 7s to the zero power times T to the negative 5th power over 2 to the negative 1st power times M to the 2nd power If you would please simplify these ...

*Monday, April 21, 2008 by blockhead*

**English Expression**

What grade/year are you in? I'm in the first grade in middle school. I'm a first grader in middle school. I'm in the 7th grade. I'm a 7th grader. ----------------------- Are the answers all acceptable? Which one is commonly used? Can we use both 'grade' and 'year'?

*Friday, April 18, 2008 by John*

**working with data**

josephs final averages in science class are shown in the table below. homework % toward final grade-20% average-93 quizzes % toward final grade-20% average-92 tests % toward final grade-40% average-85 final exam % toward final grade-20% average-? what is the minimum score ...

*Sunday, February 24, 2008 by mike*

**Data managment math**

7: The basket ball team has total 14 players : 3-1st year player,5-2nd year player and 6-3rd year player (a) in how many ways can the coach choose a starting line up(5 players) with at least one 1 st player. (b) in how many ways can he set up a starting lineup with two 2nd ...

*Monday, January 28, 2008 by Samir*

**english**

when writing the word GRADE ONE in a sentence...would it be Grade One (where there both capital) Grade one (where only grade is capital) or grade one (where none are capital)

*Sunday, January 13, 2008 by spelling-grammer*

**Physics/Moons Orbit**

The Moon describes an elliptical path around the Earth and a complete orbit is 29d 12h 44m 3s Approximately! At its closest during this orbit it is termed Perigee and at its farthest Apogee. However there must be 2 other points opposite Perigee & Apogee where the moon is at ...

*Saturday, October 13, 2007 by Mike*

**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 ...

*Monday, August 27, 2007 by albert*

**physics-energy conservation**

some people refer to heat as "low grade energy. a)how is low grade energy different from high grade energy? b)give two example of high grade energy When heating a cup of tea, which would be preferable...a stove with a burner on top, or a heating pad? High grade energy is ...

*Tuesday, May 8, 2007 by Emma*

**chem**

this is my question Calculate the hydronium ion consentration and the hydroxide concentration in blood in which the PH is 7.3. I don't have invlog on my calculator so I hit log(7.3)= .863 for hydronium. Is this dumb for me to do? That is dumb for you to do. Get a calc that has...

*Friday, March 23, 2007 by Jon*

**Permutations**

I am having trouble with this maths problem: There are 8 people at a round table - 6 guests, 2 hosts. How many possible arrangements are there if the 2 hosts aren't allowed to sit next to each other. Thanks hint: sit the two host first, then let the guest find their seats. So...

*Sunday, January 28, 2007 by Kevin*

**math / linear programming**

Two factories manufacture 3 different grades of paper. The company that owns the factories has contracts to supply at least 16 tons of low grade, 5 tons of medium grade, and at least 20 tons of high grade paper. It costs $1000 per day to operate the first factory and $2000 per...

*Tuesday, January 2, 2007 by Tim*

**Stats**

Dee's store monthly sales for April, May, June are three independent random variables with means and variances as follow: April: Mean: $9500 Variance: $1250 May: Mean: $7400 Variance: $1425 June: Mean: $8600 Variance: $1610 a) find the mean and standard deviation of the total ...

*Sunday, October 29, 2006 by Dee*

**math**

there are 8 girls competing in an ice skating competition. In how many ways can they finish in 1st, 2nd, and 3rd place? 336 1,680 2,016 40,320

*Friday, February 24, 2017 by Ali*

**Math**

There are 6 boys entered in the 100-meter dash. How many different ways could the come in 1st, 2nd, and 3rd? They are John, Jacob, Harry, Milton, Peter and Mike. How do I solved this problem.

*Saturday, February 18, 2017 by Jamye*

**Math**

If the 2nd and 5th term of a geometric progression are -6 and 48 respectively. Find the sum of the first four terms.

*Saturday, February 18, 2017 by Kelvin A.*

**Trigonometry**

2x is a 2nd quadrant angle. In which quadrant does x/2 lie?

*Sunday, January 22, 2017 by MBailey*

**Math**

These are the first 5 terms of a quadratic sequence: 1 3 7 13 21 1st difference: 2 4 6 8 2nd difference: 2 2 2 1n^2: 1 4 9 16 25 adjustment: ? ? ? ? ? Thank you very much.

*Tuesday, January 3, 2017 by Elisha*

**computer,science, java**

Inorder to motivate the employees, the company has decided to announce the different types of bonus depends up on the employee’s Grade. If the employee belong to Grade A bonus=20% basic Grade B bonus=15% basic Grade C bonus=10% basic Grade D bonus=7% basic Grade E bonus=5% ...

*Sunday, January 1, 2017 by sa*

**science**

Write a java program using classes and object to read the em[loyee code (Integer), Imployee name (string), Basic salary )double), Category (Character)then calculate the bonus(double)and the total salary(double)eligible for each employ. The output should have the employee code...

*Sunday, January 1, 2017 by Hala*

**math(geometric series)**

the common ratio of the infinite geometric series whose 2nd term is 3/2 and its sum is 8?

*Saturday, December 31, 2016 by happy new year :)*

**Maths**

The 5th term of an arithmetic progression is 3times of 2nd term and 12th term exceeds 2times of 6th term by 1. Find the 16th term

*Tuesday, December 6, 2016 by Anonymous*

**Pre Algebra Review**

Thirty-five students belong to the science club. This 1/4 the number in the 5 sections of the eighth grade. How many students are in the eight grade? How many in each section if each section has the same number of students?

*Monday, December 5, 2016 by Bryan*

**Maths**

The 5th term of an arithmetic progression is 3times of 2nd term and 12th term exceeds 2times of 6th term by 1. Find the 16th term

*Monday, December 5, 2016 by Anonymous*

**Maths**

The 5th term of an arithmetic progression is 3times of 2nd term and 12th term exceeds 2times of 6th term by 1. Find the 16th term

*Monday, December 5, 2016 by Anonymous*

**Math**

In math class, a student has an average grade of 85% for five tests so far. What grade must that student earn on the next test to reach an average grade of 90% for all six tests?

*Thursday, December 1, 2016 by Sophia*

**Math**

The average score on a recent test was 75%. One of the students earned a grade of 93% while another student earned a grade of 78%. A total of 23 students took the test. Find the average grade of the remaining 21 students.

*Thursday, December 1, 2016 by Emily*

**additional mathematics**

if the 2nd term and the 4th term of an arithmetic progression are 15 and 23 respectively, find the first term and the common difference

*Wednesday, November 30, 2016 by yoyo*

**Personal question**

How would you deal with someone that has been bullying you since fourth grade? I have talked to adults talked to councelors and I have talked to his mother who happened to be my fifth grade teacher yet he is still at it. I don't want to seem like a baby and file a no contact ...

*Wednesday, October 26, 2016 by Madeline*

**Pre alg**

find 2 numbers of the 2nd number if the second number is 11 less than 3 times the first and the sum of 153?

*Friday, September 30, 2016 by ring*

**Science**

So I have an 89% in my science class and we took a test worth 15 points. I only got 8 correct which is an F. I have 2 A's, a B, and a D as the other grades in the grade book. How will this F affect my grade? I need it to stay a B

*Tuesday, September 27, 2016 by Laila*

**maths**

The sum of first 6 terms of an Arithmetic progression is 6 the product of 2nd term and 5th term is -80 . Find the terms of A.P.

*Sunday, September 25, 2016 by mahesh p*

**Math**

A fertilizer covers 5/8 square foot in 1/4 hour. i don't understand how to work out this math problem. By the way i'm in 6th grade but technically doing advanced math so i'm doing 7th grade math. I don't know how to do this

*Wednesday, September 21, 2016 by niki*

**Math**

In Marissa's calculus course, attendance counts for 10% of the grade, quizzes count for 20% of the grade, exams count for 55% of the grade, and the final exam counts for 15% of the grade. Marissa had a 100% average for&#...

*Monday, September 12, 2016 by Anonymous*

**Math**

A nut wholesaler sell two types of mixes of cashews and peanuts. He makes low-grade mix containing 8 pound of peanuts and 4 pound of cashews and high-grade mixer containing 6 pound of peanuts and 6 pound of cashews. Let x and y denote the numbers of low-grade and high-grade ...

*Wednesday, September 7, 2016 by Amartya*

**SAT Prep's**

A survey asked students from grades 8 and 9 about their favorite sport. The table contains data from the survey. Baseball Basketball Football Hockey Soccer Grade 8 8 2 12 3 5 Grade 9 6 3 10 2 4 The percentage of 8th grade students who said football is their favorite sport is...

*Sunday, September 4, 2016 by Ashley*

**Algebra2**

Let g(x) be the reflection of f(x)=x^2+5 What is the function rule for g(x)? I know the first part would be-x^2 but not sure if the 2nd part is a plus or minus.

*Monday, August 29, 2016 by Steve*

**Math**

When you have a 76% in math and you need to get your grade up to a b and daily assignments are 10% and quizzes are 80%. How will I get my grade up to a b in 5 weeks

*Friday, August 26, 2016 by Lola*

**Math**

How do u simplify ab to the 3rd power over b to the 2nd power

*Friday, August 19, 2016 by Anonymous*

**math**

how many different ways can 24 horses win 1st & 2nd places

*Sunday, August 7, 2016 by Anonymous*

**math**

Two negative inetegers has a product of 35.The 2nd no. Is three more than twice the 1st no.What are the integers

*Saturday, July 30, 2016 by miles*

**GP**

two consecutive terms of a GP are the 2nd ,4th and 7th terms of an A.P respectively.find the common ration of the GP

*Wednesday, July 27, 2016 by Mike*

**RE**

I am going to take the Regents Algebra 1(Common Core)and I'd like to know whether a certain procedure of mine could lower my grade. When solving linear equations I do this: x+2=20 I just pass the 2 negative to the other side without subtracting it from the left . Can this ...

*Friday, July 22, 2016 by Liah*

**math**

Are trigonometric functions taught in 11th grade, if so ,is it wrong that i wasn't tought that topic in 11th grade????plz help!!!!

*Tuesday, July 12, 2016 by Lauren*

**Pre Calculus**

Determine the quadrant in which a 130° angle lies. a. 4th quadrant b. 1st quadrant c. 3rd quadrant d. 2nd quadrant

*Saturday, July 9, 2016 by Amelia*

**Math**

2 cars traveled to a place at 60 km/hr and 70 km/hr respectively if the first car takes 1and 1/2 hour more then the 2nd car for the same journey what will be the length of the journey

*Wednesday, July 6, 2016 by Alex Pereira*

**Maths**

This is KINDA a homework question, but would it be a good idea to review the topics learnt in seventh grade for maths before going into eighth grade? Thanks :)

*Sunday, June 19, 2016 by Stoof*

**Math**

Given that tanè = -5 and è is in the 2nd quadrant, compute exactly: A. sin(è) B. cos(è) C. tan(2è)

*Friday, June 17, 2016 by John*

**8th grade algebra 1 b**

Does anyone have the answers to the Unit 4 Lesson 10 test? The connection academy eighth grade one. It is the Quadratic Functions and Equations Unit Test that has 24 questions. Thanks.

*Friday, June 10, 2016 by HELP I'M DESPERATE*