Sunday

February 14, 2016
**grade 4 math**

exponential form of 59,187
*Thursday, June 20, 2013 by jexzey heily*

**math**

at2pma train leaves at 8pm 2nd train leaves at 162miles per hour faster than 1st train 2nd train takes over at10pm what are the speeds of the2 trains
*Monday, June 10, 2013 by pam*

**compound sentence**

1.There was no break between the breakfast and lunch crowds, so Zach's first break was around 2:00. 2.Then he made some notes for the owner, Melanie, who was also the cook on the second shift. I think the compound sentence is the 1st sentence
*Monday, June 10, 2013 by Jim Collum*

**Biostatistics**

Test the potency of a drug on 20 rats. Previous animal show that a 10-mg dose of drug is lethal 5% of the time within 1st 4 hours; of the animals alive at 4 hours, 10% will die in the next 4 hours. What is the probability that 3 or more rats will die in the first 4 hours.
*Saturday, June 8, 2013 by Cathy*

**9th grade math**

Solve -4(x-3)>2x A. x>6 B. x<2 C. x>3/2 D. x<-1/2
*Tuesday, June 4, 2013 by elia*

**Math**

Jon bought a car for 20000 and sold it for 30% profit. Then he bought another more expensive car and sold it for 30% loss. Wat was his overall profit or loss? I got 1st 26000 profit Then 18200 loss Overall? I minus them or??
*Sunday, June 2, 2013 by Katherine :))*

**5th grade math**

what is the common denominator to 3/5, 1/3, and 1/6
*Tuesday, May 28, 2013 by Kim*

**Math**

Two bike riders ride around a circular track, 1st rider completes one round in 12 minutes, the second rider completes a round in 16 minutes. If they start at the same time and fo in the same direction, how many turn before they meet at the same place again.
*Thursday, May 9, 2013 by Ruth*

**Physics**

Estimate the total binding energy for copper. 550 MeV Estimate the energy, in joules, needed to break a 3.0g copper penny into its constituent nucleons. E= in Joules Please help me out I got 1st part I need the Energy in joules am confused please help me out...thanks
*Tuesday, May 7, 2013 by Leila*

**5th grade math**

What is 508 times 7?Thanks if you help:)
*Monday, May 6, 2013 by Kim*

**Math**

I'm having a hard time coming up with the right equation to solve this one. E-Z Stop Fast Gas sold $10,957 worth of gasoline yesterday. Regular grade sold for $2.30 a gallon and premium grade sold for $2.55 a gallon. If the station sold 420 more gallons of regular than of ...
*Wednesday, May 1, 2013 by Ann*

**Math**

A math class has girls and boys in the seventh grade and girls and boys in the eighth grade. The teacher randomly selects a seventh grader and an eighth grader from the class for a competition. What is the probability that the students she selects are both girls? Write your ...
*Wednesday, May 1, 2013 by MADISON*

**Biology **

Is 9th grade biology hard? Is it interesting...?? I love life science but I just wondering if 9th grade biology hard??? I'm taking biology next year.
*Monday, April 29, 2013 by Sarah*

**algebra1**

he drove an average of 50 mph for 6 h for the 1st 4 hours he drove 47 mph what was his speed for the ast 2 hours
*Sunday, April 28, 2013 by jj*

**maths**

To get an A grade on the test, you need a total score of more than 16 points. One of the students knows the correct answer to 6 of the 20 questions. The rest she guesses at random by tossing a coin (one toss per question,true if heads and false if tails). What is the chance ...
*Saturday, April 27, 2013 by anonymous*

**4th grade math**

4 1/4 minus 1 3/4
*Monday, April 22, 2013 by jordyn*

**Math**

Ms Perez owns 2 properties in different towns. The 1st property is assessed at $125,000 and has a tax rate of $6.35 per 1000 dollars. The 2nd property has the same assessed value, but is taxed at the rate of $0.00587 per dollar. Derive the solution to the total tax obligation ...
*Friday, April 19, 2013 by Jane*

**3rd grade math**

What does 5 fracture each 1/2 mean?
*Thursday, April 18, 2013 by James*

**Math**

Meagan bought a 3 liter soda and a bag of cups to a party. Each cup holds a volume of 250ml How many cups will be needed for soda 12 Ms.Baggett took a total of 3 hours to grade 120 papers Which of the following can be used to find m the number of minutes Ms.Baggett took to ...
*Wednesday, April 17, 2013 by Jerald*

**programming**

Write a program that requests the numeric grades on a midterm and a final exam and then uses a Function procedure to assign a semester grade (A, B, C, D, OR F). The final exam should count twice as much as the midterm exam, the semester average should be rounded up to the ...
*Tuesday, April 16, 2013 by Shirley*

**math 4th grade**

how do you add 2/3 plus 5/8
*Tuesday, April 16, 2013 by daniel*

**U.S/history AP**

1- -------.one of the ways that white southerners tried to keep blacks from voting.1st way they did this .This rule said that could only vote if your ancenstor voted in 1860.a.k.a. (MISSISSIPPI Plan). 2---------.as white southerners regained control of their governments they ...
*Monday, April 15, 2013 by joy*

**Algebra(1st one was typo)**

The function f(x)=x^3 +1/4 x −1^4 is a monotonically increasing function, hence it is injective (one-to-one), so its inverse function exists and is well defined. How many points of intersection are there, between the function f(x) and its inverse f^−1 (x) ?
*Thursday, April 11, 2013 by Jacob*

**stat probability**

An apartment building has the following apartments: 2 bdrm 3 bdrm 4 bdrm 1st floor 7 3 4 2nd floor 9 0 11 3rd floor 8 4 7 If an apartment is selected at random, what is the probability that it is a 2 bedroom apartment on the 3rd floor?
*Monday, April 8, 2013 by Lynn*

**FRENCHHHH**

conjugue les verbes a limparfait ou au passé compose guillame,quatorze ans,se rapelle son long sejour a l'hopital, quand il receivait la visite des animatuers de docteur clown,La premiere fois, j'ai cru(croire) qu'ils ______ (venir) d'une autre planete! ...
*Monday, April 8, 2013 by Mia*

**LBCC**

An apartment building has the following apartments: 2 bdrm 3 bdrm 4 bdrm 1st floor 7 3 4 2nd floor 9 0 11 3rd floor 8 4 7 If an apartment is selected at random, what is the probability that it is a 2 bedroom apartment on the 3rd floor?
*Sunday, April 7, 2013 by Lynn*

**English III Love of Life By: Jack London**

Love of Life by Jack London I'm really having problems, how to start the body of my essay in this story. Can you give me some hint, how to make the 1st step? thank you :)
*Sunday, April 7, 2013 by Isis*

**7th grade math**

There are 150 students in 7th grade. After signing up for electives for next year, the counselor posted the following data: Art - 65 students Band - 70 students Theatre - 50 students Not all students signed up for an elective. Display this data using Venn Diagrams. I do not ...
*Saturday, April 6, 2013 by Renee*

**3rd Grade Math**

What is the sum of 4/10 and 55/100
*Wednesday, April 3, 2013 by Gillian*

**trig**

Indoor steps generally are steeper and have smaller landings. A staircase has a 9 inch vertical rise per step to get to the second floor of a house. If the angle of elevation is 36.8 degrees and there are 16 feet of horizontal space total for each of the landings combined, ...
*Wednesday, April 3, 2013 by Leia*

**Algebra 8th grade**

3a + 5b = 70 6a + 9b = 135
*Monday, April 1, 2013 by Anon*

**pre calculus**

If you are driving down a 10% grade, you will always be 10% below where you would have been if you could have driven on flat ground from where you started. Suppose you descend to where you are 20 feet below your starting point. What concept does the “grade” relate to...
*Monday, April 1, 2013 by sharon*

**algebra 10th grade**

Solve for x? 0 = -9/5 x -9
*Thursday, March 28, 2013 by mary*

**10 grade algebra**

solve 10(x+5)=130
*Tuesday, March 26, 2013 by mary*

**10 grade algebra**

Solve the equation 2(x =10)=80
*Tuesday, March 26, 2013 by mary*

**3rd grade math**

which fraction is less than 2/5 A. 2/3 B. 3/5 C. 3/4
*Wednesday, March 20, 2013 by mythreyee*

**3rd grade math**

which fraction is grater than 1/3 A. 1/2 B. 1/4 C. 1/5 D. 1/6
*Wednesday, March 20, 2013 by mythreyee*

**7th Grade Math**

What is arithmetic and geometric sequences?
*Monday, March 18, 2013 by Jessie*

**3rd grade math**

1/3 2-fracture each third, what does it mean.
*Monday, March 11, 2013 by Lilly*

**English**

i have a hard time calculating my grade & am in college. Please tell me the grade I have so far & will have, thank you!365 points in the course is needed. Lecture exams and quizzes are worth about 60% of the total grade &90 ≤ A 80 ≤ B < 90 70 ≤ C < 80 ...
*Monday, March 11, 2013 by jessica*

**Lang. Arts**

4. Identify the appositive phrase in the following sentence. Mrs. Talavera, an eighth grade teacher at Rosewood Middle School, led the community meeting about childhood obesity. A.Mrs. Talavera B.an eighth grade teacher at Rosewood Middle School C.led the community meeting D....
*Saturday, March 9, 2013 by Cassie*

**4th grade Algebra**

Evaluate the expression 15 - n when n= 9 I am not sure but is it 6?
*Thursday, March 7, 2013 by jared*

**math**

what is 31/3 simplified by idk(im in 5th grade)
*Wednesday, March 6, 2013 by aalaiyah*

**Reading**

What is a 2nd grade pronoun definition
*Monday, March 4, 2013 by Daviana *

**Writing**

2nd grade opinion pieces
*Thursday, February 28, 2013 by Anonymous*

**6th grade math**

n/4+32=72
*Tuesday, February 26, 2013 by Susan*

**6th grade math**

n/4 +32=32 I can get it n/4=40 but not sure how to get n by itself????
*Tuesday, February 26, 2013 by Susan*

**Math**

graph the data in each table Perimeters of Similar Rectangles x 1 2 3 4 5 P ? ? ? ? ? Graph P 40 30 20 20 0 1 2 3 4 5 6 7 8 9 X Area of Similar Rectangles X 1 2 3 4 5 A ? ? ? ? ? A 40 30 20 10 0 1 2 3 4 5 6 7 8 9 X 1st rectangle is one side x bottom 2x then they pretty much ...
*Monday, February 25, 2013 by Stephanie*

**5th grade math**

Is 3/9 <,>,= to 9/14?
*Monday, February 25, 2013 by arali*

**Chemistry**

In a given 1st order reaction A ---> products, the initial concentration of A is 0.40 M. What will be the concentration of A after 15 seconds if the half-life of the reaction is 3 seconds? I found the concentration to be 1.25 x 10-2 M But then how do I find the rate ...
*Monday, February 18, 2013 by Marcus *

**DYNAMICS**

A particle travels along a straight line with a velocity v=(12-3t^2) m/s, when t is in seconds. When t=1s, the particle is located 10m to the left of the origin. Determine the accelaration when t=4s, the displacement from t=0 to t=10s, and the distance the particle travels ...
*Sunday, February 17, 2013 by HELP*

**physics**

a body moves in a straight line with initial velocity and uniform acceleration.find how far it travels in12s,given that it travel 246m in the 1st 6seconds,and 69m in the last 3seconds.find also the initial velocity.
*Wednesday, February 13, 2013 by Fatima*

**physics**

a body moves in a straight line with initial velocity and uniform acceleration.find how far it travels in12s,given that it travel 246m in the 1st 6seconds,and 69m in the last 3seconds.find also the initial velocity.
*Wednesday, February 13, 2013 by Fatima*

**physics**

a body moves in a straight line with initial velocity and uniform acceleration.find how far it travels in12s,given that it travel 246m in the 1st 6seconds,and 69m in the last 3seconds.find also the initial velocity.
*Wednesday, February 13, 2013 by Fatima*

**6 grade math**

(100-7•2+3)÷10 =
*Tuesday, February 12, 2013 by noahc*

**math 4th grade **

my mistake will it be 8
*Tuesday, February 12, 2013 by Lourane*

**math 4th grade **

now is the correct answer 4
*Tuesday, February 12, 2013 by Lourane*

**math 4th grade **

So Alyonka will the correct answer be 10
*Tuesday, February 12, 2013 by Lourane*

**statistics**

this is a problem in my statistics class, and I am lost to me, it is confusing or missing something here is the problem please help grade points are assignede as follows: a=4,b=3,c=2,d=1,f=0. grades are weighted according to credit hours. if a student receives an A in a four-...
*Sunday, February 10, 2013 by Cyn*

**Math**

Instructions Suppose we have a sequence (1), (2, 3), (4, 5, 6). (7, 8, 9, 10), (11, 12, 13, 14, 15), ... where (1) is the first element of the sequence, (2, 3) is the second, etc. What is the first number in the 100th element of the sequence? Be sure to do more than answer the...
*Saturday, February 9, 2013 by Stinkrat*

**math**

Jon and Anne had an equal aount of money. Jon spent $10. Anne spent $30. Now Jon has 2x as much as Anne. How did they each have at 1st?
*Thursday, February 7, 2013 by Anonymous*

**Math**

''Dan saved $463 over the 12 weeks of summer break He saved$297 of it during the last 4 weeks. How much did he save during the 1st 8 weeks.'' I have to draw a picture,write an equation,and write a variable.I don't know how to draw the picture or do the ...
*Thursday, February 7, 2013 by Kiley*

**Accounting**

The business was started on April 1st. I have the following events that happened: what accounts should I debit and credit? 1. Incurred advertising expense of $1,907 on account. 2. Hired park manager at a salary of $3,783 per month, effective May 1. 3. Sold 140 coupon books for...
*Wednesday, February 6, 2013 by Jacob*

**Maths**

Thato caught 4 snails and placed them all in the same small circle on the ground and organised a race......1st snail travelled 24cm in 4minutes,2nd snail travelled 35 cm in 7minutes,3rd snail travelled 33cm in 5minutes and the 4th snail travelled 39cm in 6minutes..... (1)how ...
*Wednesday, February 6, 2013 by Lucas*

**Accounting**

The business was started on April 1st. I have the following events that happened: what accounts should I debit and credit? 1. Incurred advertising expense of $1,907 on account. 2. Hired park manager at a salary of $3,783 per month, effective May 1. 3. Sold 140 coupon books for...
*Tuesday, February 5, 2013 by Jacob*

**Math-grade 4**

what is the estimated quotient of 6 divided into 75?
*Monday, February 4, 2013 by Chloe*

**Math**

There are 12 girls on a gymnastics team. Less than 1/4 of the girls are in second grade. How many girls on the gymnastics team could be in second grade?
*Monday, January 28, 2013 by Ms. Ramos*

**6th grade math**

5ft 3 in. – 2ft 9 in. = ??
*Sunday, January 27, 2013 by Kat*

**6th grade health**

the view you have of yourself is known as your
*Sunday, January 27, 2013 by Eduarda cardoso*

**6 grade Math**

How do I divide this ... 3 divided by 1/2
*Wednesday, January 23, 2013 by Nate*

**Chemistry**

This problem is 1st order for half life. How long would it take for the concentration of cyclopropane to decrease to 50% of its initial value? to 25% of its initial value? Rate constant is 9.2/s I set up like this... t1/2= 0.693/9.2/s= 0.075s at 50% I can't figure out how ...
*Monday, January 21, 2013 by Chris*

**Chemistry**

What would be the concentration of dinitrogen pentoxide after 6.00 X 10(2) seconds and how long would it take for the concentration of N2O2 to decrease to 10.0% of its initial value in the following equation... N2O5 to NO2 and O2 initial concentration is 1.65 X 10-2mol/L rate ...
*Sunday, January 20, 2013 by Chris*

**4th grade math**

How do you solve 41/2-1/4=?
*Sunday, January 20, 2013 by beka*

**3rd grade math**

Draw a model to show 84/12=7
*Wednesday, January 16, 2013 by johnathan*

**9TH GRADE MATH**

IF C=2M+D THEN M=
*Tuesday, January 15, 2013 by KIM*

**math**

what is tell me rule it frist grade help please......
*Tuesday, January 15, 2013 by janiah*

**math 7 th grade asap **

6(b-4)=
*Monday, January 14, 2013 by noahc*

**9th grade algebra**

2x^2+5x+2
*Thursday, January 10, 2013 by Nicole*

**math**

whats 4(2/3) im in 8th grade and i dont understand
*Tuesday, January 8, 2013 by diana martinez*

**statistics-?mean average with lowest number out?**

A mean average of 60 on 7 exams is needed to pass a course. on his first 6 exams, Adam received grades of 46,74,70,59,66 and 72. if his lowest grade of the exams already taken is to be dropped,what grade must he receive on his last exam to pass?
*Monday, January 7, 2013 by tony*

**statistics-?mean average with lowest number out?**

A mean average of 60 on 7 exams is needed to pass a course. on his first 6 exams, Adam received grades of 46,74,70,59,66 and 72. if his lowest grade of the exams already taken is to be dropped,what grade must he receive on his last exam to pass?
*Monday, January 7, 2013 by tony*

**Can someone help me?!**

The 1st, 5th and 13th terms of an arithmetic sequence are the first three terms of a geometric sequence with a common ratio 2. If the 21st term of the arithmetic sequence is 72, calculate the sum of the first 10 terms of the geometric sequence.
*Thursday, January 3, 2013 by Jm*

**math**

The question is a principal is choosing between field trips. The final cost is $600. The second costs $240 plus $40 per student. For what number of students is the first trip less expensive. I got the 1st trip would be less expensive with more than 9 students. Is this correct...
*Sunday, December 30, 2012 by B6*

**World history- does this sound okay?**

if you had to give queen Elizabeth the first a grade on the enlightenment principles what grade would you give and why? I think I would give her a B bc for the most part she was a very big influence on the enlightenment era and she enabled quite a bit for us today. she changed...
*Thursday, December 20, 2012 by BaileyBubble*

**physics**

2 runners accelerate from rest to their top speeds. The 1st runner pat has an acceleration of 5.9 m/s^2 and reaches her top speed in 4 sec. The second runner steven accelerates at 4.4m/s^2 and takes 6.5 sec to reach his top speed the 2 runners run flat out for the remainder of...
*Thursday, December 20, 2012 by ty*

**ECC**

When do parents start to socialize their children in earnest? 1) The 1st year when babies can interact socially. 2) The 2nd year when toddlers are first able to comply with parental directions. 3) The preschool years when children start formal schooling. 4) Early adolescence ...
*Wednesday, December 19, 2012 by Denice*

**3rd grade math **

25 cents __?__ 3/10 of a dollar
*Monday, December 17, 2012 by Kk*

**7 th grade math**

How many 4/5 are in 1 ?
*Wednesday, December 12, 2012 by noah*

**Math challenge **

There are 3 circles divided into thirds with a number in each third. The 1st cirlcle has 18, 23 & 49. 2nd cirlce has 25, 62, 38. The 3rd cirlce has ?, 17 & 39. We need to figure out what number is missing from the 3rd circle, and how you figured it out.
*Thursday, December 6, 2012 by Gabby*

**Math**

Elsa had a rubber disc that was red on one side and blue on the other. She tossed this disc 3 times. Draw a diagram showing all the possible outcomes she could get in 3 tosses of the same rubber disc 1st toss can be red or blue 2nd toss can be red or blue and 3rd toss can be ...
*Thursday, December 6, 2012 by Jerald*

**Math**

Please help! How do I find the mean weight of 2 groups of 100 kids... 1st grp mean weight is 55.7lbs and 2nd grp mean weight is 42.6lbs.
*Wednesday, December 5, 2012 by Damon*

**5th grade math**

what is a word problem for 4.23x10
*Wednesday, December 5, 2012 by kaitlyn*

**math 6th grade**

what does y=x
*Tuesday, December 4, 2012 by sally*

**Math 5th grade **

9K=414
*Tuesday, December 4, 2012 by Ishu*

**math**

Suppose that you are taking a course that has three exams which count for three-fifths of your grade and a final which counts for two-fifths of your grade. On your first three tests your scores on were 75, 80, and 74. To get an B in the course, you must have an average of at ...
*Sunday, December 2, 2012 by amanda*

**Algebra Grade 7 (Rotation)**

If you rotate a clock clockwise 90° from 3:00, what will it be?
*Thursday, November 29, 2012 by rawr... im a dinosaur.... rawr*

**5th grade math**

i need help
*Tuesday, November 27, 2012 by jacob*

**MATH 5TH GRADE**

HOW MANY TIMES MORE IS 2000 THAN 20?
*Tuesday, November 27, 2012 by frank*

**calculus**

A multistoried building has a floor area of 2,000 square feet on the ground floor, 1,995 square feet on the 1st floor, 1,990 square feet on the 2nd floor, and so on. If the areas of the higher floors follow this sequence, what is the expression to calculate the area of the nth...
*Tuesday, November 27, 2012 by Chelsy*

**Spelling 4th grade**

Down is to dive as up is to ____________?
*Monday, November 26, 2012 by Caleb*