Wednesday

July 30, 2014

July 30, 2014

Post a New Question | Current Questions

**linear algebra**

i'm not sure how to go about this one. any help would be appreciated! find all x's that would make the 2x2 matrix below = to a shear-dilation: 1st row: 1, x 2nd row: 3, 4
*Saturday, March 8, 2008 at 10:24pm*

**science: help**

i need to do a science fair project. i am in 7th grade and my teacher said that it can't be something a 6th grade or younger could do. i wanted to do something with kinetic energy. like maybe drop an egg from different heights and measure its k.e. any suggestions?
*Friday, March 7, 2008 at 4:14pm*

**Math**

Use the Binomial Theorem to find the fifth term in the expansion (2x+3y)^5. 5!/(5-k)^x^5-kyk 5!/(5-4)!4!^x^5-4y4 (5*4*3*2)/(4*3*2*1) 120/24 5xy^4 (answer) You may not understand the 1st 2 lines I'm sorry just let me know how to make it better.
*Tuesday, March 4, 2008 at 3:41pm*

**math-probability**

A King sends for 3 prisoners. HE has 3 black hats and 2 white hats. He blindfolds the prisoners & puts a hat on each. He then removes the blindfolds & allows them to look at each other. He tells them that if they can tell him the color of the hat they have on, he will set them...
*Tuesday, March 4, 2008 at 12:54pm*

**Geometry**

Draw a pair of quadrilaterals where the 1st quad. is congruent to the 2nd quad. No side of one quad. is to be congruent to any other quad. Straight out of workbook! PLEASE HELP!!!!!!!!!!!!
*Monday, February 25, 2008 at 4:37pm*

**Math**

Draw a pair of quadrilaterals where the 1st quad. is congruent to the 2nd quad. No side of one quad. is to be congruent to any other quad Straight out of workbook! PLEASE HELP!!!!!!!!!!!!
*Monday, February 25, 2008 at 4:31pm*

**MATH-PERCENTILES**

I JUST TOOK A TEAS TEST(FOR PRACTICAL NURSING ADMISSIONS). THE REQUIREMENTS MUST BE A GRADE IN AT LEAST THE 40TH PERCENTILE IN EACH SUBJECT. THERE WAS A MATH, READING,ENGLISH, AND SCIENCE SECTION. TOTAL OF QUESTIONS WERE 170.MATH-45? READING-40? ENGLISH-55 ? SCIENCE-30 ? I WAS...
*Saturday, February 9, 2008 at 1:10pm*

**french**

what's the future of 'se leve' with accent aigu over 1st 'e' of 'leve'
*Thursday, February 7, 2008 at 6:07pm*

**African Amer. Study**

Who was the 1st American woman to address male audience in public?
*Tuesday, January 29, 2008 at 10:46pm*

**science**

A person's body is thronw outward as a car rounds a curve on the highway is this newton's 1st 2nd or 3rd law
*Thursday, January 24, 2008 at 9:47pm*

**Movies & Science**

I am doing a paper that entails my knowledge of physics to prove errors in the movie Transformers. There is one scene in the movie where Shia (Sam, the hero) falls in Optimus Prime's hand, from around 20 stories high. Obviously Sam should ooze out of Prime's hand, but ...
*Monday, December 31, 2007 at 6:21pm*

**Film and Physics**

I am doing a paper that entails my knowledge of physics to prove errors in the movie Transformers. There is one scene in the movie where Shia (Sam, the hero) falls in Optimus Prime's hand, from around 20 stories high. Obviously Sam should ooze out of Prime's hand, but ...
*Monday, December 31, 2007 at 4:41pm*

**social studies**

1st Amendment; freedom of religion Why is this amendment important to America? What are 2 examples of how the amendment protects the citizens?
*Monday, December 17, 2007 at 11:59pm*

**WWII**

The "Phony War" ended April 1940. However, many Canadians were not sent before 1942. What did the ones that were sent with the 1st Division Canadaian infrantry do in Britain until 1942?
*Sunday, December 16, 2007 at 9:05pm*

**WWII**

The 1st group of Candians that were sent over sea to ritian were sent in December of 1939. Where were they sent in Canada to prepare for WWII?
*Saturday, December 15, 2007 at 6:13pm*

**SCI 275**

What are the challenges of managing Reducing solid waste? What human activities contribute to the problem? I can answer the 2nd question but the 1st one i am having truble with
*Monday, December 10, 2007 at 1:29pm*

**math**

what are the 2 greatest consecutive even integers whose sum is less that 180? for the 1st I got x+2 and for the 2nd I got x+4 to get x+2+x+4<180, and solved to get, x<87. Now.. I cant get the answer. biggg problemo. please help.
*Wednesday, November 14, 2007 at 8:14pm*

**algebra- integer problems**

Hi! i have this problem, I'm stuck on. it says find 2 consecutive multiples of 9 whose sum is -153. I started of my saying the 1st number is 9x and the 2nd is 9x+9. I continued on to get, 9x+(9x+9)=-153 and solved it. I got an irrelevant answer: -9. I was wondering what I ...
*Wednesday, November 14, 2007 at 7:52pm*

**chemistry**

can u tell me of any laboratory acid with 6 letters 1st letter is n 4th letter is r and 6th letter is u, i dont no, it is for a wordsearch
*Tuesday, November 6, 2007 at 2:03pm*

**Editing**

Im posting this essay on The battle of The Somme in 1916. If someone could edit it for me, that would be greatly appreciated. Thanks in advance =] Most Canadians know July 1st to be Canada Day: a day to celebrate the birth of their country. Nevertheless, in Newfoundland, July ...
*Wednesday, October 10, 2007 at 10:55pm*

**MATH!!!**

I have 3 2/3 + 7 1/8 = I 1st got 10 19/24 then I got 239/24 please HELP!! What is the right answer? 10 19/24 or 259/24 depending if you have to express it as a fraction or not
*Wednesday, May 9, 2007 at 3:00pm*

**random**

I dunno. Why don't u wait 4 a teacher 2 answer that? I guess any grade that can type and ask Qs. :p any grade.
*Monday, May 7, 2007 at 6:27pm*

**math**

Ted must have an average of 70 or more in his summer course to obtain a grade of C. His first three test grades were 75, 63,and 68. Write an inequality representing the score that Ted must get on the last test to get a C grade. Let X be the grade on the next test. The average ...
*Monday, March 19, 2007 at 11:58am*

**Example Essays**

Mkay, I have a five paragraph essay due by tommorow. Its to be an example essay, but I don't have a idea OR a plan on what to write. I am confused {confuzzled} and am looking for a fairly easy example essay to write. I will need to use the Seven Sentence Skeleton which is ...
*Thursday, March 1, 2007 at 5:55pm*

**math**

what is the difference between translation , rotation, relections, and dilation in 8 grade work In 8th grade talk, I recommend you check the examples in your book. OR, if you put your definitions here, I can critique them.
*Sunday, January 28, 2007 at 10:59am*

**algebra1**

slope (-3,3),(1,3) well 1st here is the forumla y2-y1/x2-x1 then 3-(-3)=-6 then -3-1=-4 slope=-6/-4 0 _ -2 __
*Monday, January 8, 2007 at 7:47pm*

**Data management**

. In Lotto 6/49, you must pick 6 numbers and pay $2.00 for each ticket. Six (6) numbers are drawn randomly. The following table summarizes the winning prizes if you match: 6 numbers (1st prize)
*Tuesday, November 7, 2006 at 12:06am*

**Math**

Homework grades are 5% of the overall grade. Lab work is 15% of the overall grade. Tests are 60% of the overall grade. The Final is 20% of the overall grade. Could a student that has a 75 homework average, 80 lab average, 40 test average, and 50 on the final pass the course? ...
*Tuesday, September 19, 2006 at 11:49pm*

**music thoery**

how do you write out the 1st three sharp scales plus there relative minorer's please help e`mail me at blondie5ive thanks a bunch!!!!!!!!!!! whats a andante? and unison? and Accent? and Mezzo Forte? and A Soli?
*Tuesday, August 29, 2006 at 9:18pm*

**math**

Each term in a sequence of numbers, except for the 1st term, is 2 less than the square root of the previous term.If the 3rd term of this sequence is 1, what is the first term?
*Thursday, July 17, 2014 at 9:58pm*

**statistics**

If you are told the mean grade in ECON 2023 is 80 with a standard deviation of 5, what is the probability that if you randomly selected 36 students you would find an average grade of 82 or more? I found the Z-score: 82-80/5 Which gave me .6554 then 1-.6554=.3446 So 34% would ...
*Sunday, July 6, 2014 at 1:32pm*

**arithmetic**

a guy bought some fish from a farm.during 1st week 1/8 of fish died ,in next 2 weeks 3/5 of the remaining died.what fraction of the original fish died in last three weeks
*Thursday, July 3, 2014 at 1:45pm*

**programming oop **

I need a help regarding this. Compute and display the sum o 1st and 2nd number, Difference of sum and 3rd number, product of difference and 4th number, Quotient of product and 5th number using Eclipse Helios. My subject is OOP
*Saturday, June 21, 2014 at 9:54pm*

**programming**

I need a help regarding this. Compute and display the sum o 1st and 2nd number, Difference of sum and 3rd number, product of difference and 4th number, Quotient of product and 5th number using Eclipse Helios. My subject is OOP
*Saturday, June 21, 2014 at 9:49pm*

**Math**

1. Find the 12th term of the arithmetic sequence 2, 6, 10, … . 2. Solve for the 101st term of the sequence whose 1st term is x-y and d=2x+y-3. 3. In the sequence 2, 6, 10, … , what term has a value of 106?
*Sunday, June 15, 2014 at 9:02pm*

**4th grade math**

For a survey, 20 students in one class were asked to name their favorite sport. the tally chart shows the result. Basket ball - 6 soccer-7 hockey - 5 volleyball - 2 suppose all 100 students in the grade were asked to name their favorite sport. how many students would you ...
*Thursday, June 5, 2014 at 7:37pm*

**I may fail the 8th grade?**

My home life has been crazy so I missed a lot of school and got bad grades. My anxiety is through the roof right now and i'm shaking a lot. all i need to do is get a 75% in math. and i just can't this is my biggest fear I can't see how life goes on after failing a ...
*Thursday, June 5, 2014 at 3:24pm*

**statistics**

An 8th grade history teached studied the statistics for her mid-term exam. The average grade for the mid-term was 84 points, and the standard deviation was 8 points. The Z-score for a student who scores 90 on the exam is: 84-90/8= -0.75
*Tuesday, June 3, 2014 at 7:36am*

**Calculus**

A cable is suspended from two towers with a distance of 100m between them. The 1st tower has a height of 50m and the 2nd tower has a height of 70m from the ground. The lowest part of the cable has a distance of 47m from the ground. Find the length of the cable
*Sunday, May 25, 2014 at 4:37am*

**Math 8th Grade!!!!**

27 - (-9) (-2) ÷ 3 * (-4) - 0 - 33 - (-39)
*Wednesday, May 21, 2014 at 6:56am*

**math 8th grade**

-15 - (3-7) + 6 * (-2) + (-8) - 9
*Wednesday, May 21, 2014 at 6:49am*

**math**

Taylor surveys students in one grade level who own at least one pet. She finds that 50% of the students surveyed own 2 pets, 3 students own 3 pets each, and 2 students own 4 pets each. Eight of the students in the grade own 1 pet. Considering the number of pets as the random ...
*Monday, May 19, 2014 at 10:21am*

**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 84, 72, and 96. To get an B in the course, you must have an average of at ...
*Friday, May 9, 2014 at 9:07am*

**Science**

GCSE Physics-Forces affecting falling objects. My falling object is a skydiver Can you please help me to find the information needed? Nothing too complicated please. Here is a list of things I need to include but I have no idea where this information can be found on the ...
*Sunday, May 4, 2014 at 2:18pm*

**Science **

GCSE Physics-Forces affecting falling objects. My falling object is a skydiver Can you please help me to find the information needed? Nothing too complicated please. Here is a list of things I need to include but I have no idea where this information can be found on the ...
*Sunday, May 4, 2014 at 10:52am*

**4 the grade math**

What's 3/4 of blank=75
*Tuesday, April 29, 2014 at 11:35pm*

**POL201**

Fredick Winslow Tylor was concern with all but the following a. making workers feel appreciated b. making 1st class worker out of 2ne class worker c. efficiency d. good management
*Monday, April 28, 2014 at 12:58am*

**Calculus**

The following are about an infinite region in the 1st quadrant between y=e^-x and the x-axis. B)Find the volume of the solid generated by revolving the region about the y-axis Part A was solved below. Does anyone know how to do Part B?
*Sunday, April 27, 2014 at 10:00pm*

**Calculus**

The following are about an infinite region in the 1st quadrant between y=e^-x and the x-axis. A) Find the area of the region B)Find the volume of the solid generated by revolving the region about the y-axis
*Sunday, April 27, 2014 at 9:08pm*

**Physics 194**

Light of wavelength 630 nm passes through a grating and then onto a screen located several meters from the grating. The 1st order bright band is located 0.26m from the central maximum. Light from a second source produces a band 0.21m from the central maximum. Determine the ...
*Friday, April 25, 2014 at 1:38pm*

**math**

The account balance on April 1st is $50.51. On April 15th a payment of $15.00 is made. On April 25th a purchase of $19.27 is made. The annual rate is 18%. What is the finance charge using the previous balance method? What is the new balance?
*Monday, April 14, 2014 at 11:39pm*

**HELP! 5th grade math**

Trying to help my child in 5th grade. Shannon pours 4 different liquid ingredients into a bowl The sum of the liquid ingredients is 8.53 liters. Two of her measurements are in milliliters and two of her measurements are in liters. Give an example of possible measurements for ...
*Sunday, April 13, 2014 at 10:43pm*

**9th grade math**

x^2+8x+16=25
*Tuesday, April 8, 2014 at 10:56pm*

**Patterns and rules unit test 7th grade **

I go to connection acdeamy and I am in the 7th grade regular math Mrs. Janus I just need some help with this test Find the next three terms of the sequence -2,-12,-72,-432... A. -1,728,-6,912,-27,648
*Monday, March 31, 2014 at 8:36am*

**4th grade math**

What is 1. 2/3 + 3/6 = 2. 3 1/10 + 17/5 = 3. 3 2/6 - 1 5/6 =
*Monday, March 24, 2014 at 6:14pm*

**English **

I'm writing about hearing a certain song can take you back to a moment in your past. I know that the 1st paragraph is thesis and the 2nd is explain what song reflects on past and why. I don't know what i should in include in the 3rd paragraph
*Friday, March 21, 2014 at 11:08pm*

**Maths**

I’m a 4-digit number. My 1st 2 digits from the left are divisible by 5. My 3rd and 4th digits from the left are divisible by 9. The sum of my digits is 18. Each of my digit is different. I’m divisible by 4. I’m less than 6000. My units digit is twice my tens ...
*Monday, March 3, 2014 at 7:21am*

**Science**

The slevator starts at 1st floor and accelerated 1m/s^2 for 6 seconds and continues at a constant velocity for 12 seconds more and is then stopped in 4 seconds with constant deceleration. If the floors are 3 meters apart at what floor does the elevator stops?
*Sunday, March 2, 2014 at 5:51am*

**4TH GRADE MATH**

MS T BOUGHT CUPCAKES FOR HER 3RD GRADE CLASS. MS. CASA BOUGHT TWICE AS MANY CUPCAKES AS MS T, AND 4 TIMES AS MANY CUPCAKES AS MS. G. MS. G BOUGHT 241 CUP CAKES. A. HOW MANY CUPCAKES DID MS T BUY? B. MS.. B CAME LATE TO THE PARTY AND HALF OF THE CUPCAKES HAD ALREADY BEEN EATEN...
*Wednesday, February 26, 2014 at 5:03am*

**economic**

Suppose, unfortunately , your mathematics and economics professors have decide to give tests 2 day from now and you can spend only a total of 12 hours studying for exams .After some thought, you conclude that dividend your study time equally between each subject will give you ...
*Sunday, February 9, 2014 at 12:24am*

**economic**

10. Suppose, unfortunately , your mathematics and economics professors have decide to give tests 2 day from now and you can spend only a total of 12 hours studying for exams .After some thought, you conclude that dividend your study time equally between each subject will give ...
*Sunday, February 9, 2014 at 12:18am*

**12th Grade Vocabulary Antonyms Practice**

Does anyone know of a good place that I can practice 12th grade vocabulary antonyms?
*Saturday, February 1, 2014 at 3:17pm*

**statistics**

What is the probability for a: a. Randomly selected person being a male in grade E? b. Randomly selected male being in grade E? c. Why are the results different?
*Sunday, January 19, 2014 at 11:23pm*

**Physics help**

I'm trying to calculate the tension in a rope. The two ropes are holding up a picture frame that is 100N, each rope is at a 45 degree angle. I'm trying to find the value of the tension of the 1st rope. Please help
*Friday, January 10, 2014 at 10:56pm*

**statistics**

Last week Tom had exams in Math and in Spanish. He had a score of 45 on the Math exam and a score of 65 on the Spanish exam. For which class should Tom expect the better grade? a. Math b. Spanish c. The grades should be the same because the two exam scores are in the same ...
*Tuesday, December 31, 2013 at 8:07pm*

**linear optimization**

During a summer session a student enrolls in two courses, psychology for four hours and engineering for three hours. The student wants to use the available time to amass the largest number of grade points (numerical grade multiplied by the number of hours). Students who have ...
*Sunday, December 29, 2013 at 10:45am*

**language arts**

Identify the appositive phrase in the following sentence. Mrs.Talavera,an eight grade teacher at Rosewood Middle School,led the community meeting about childhood obesity. -Mrs.Talavera -an eight grade teacher at Rosewood Middle School -led the community -about childhood obesity
*Tuesday, December 17, 2013 at 8:30pm*

**Math (7th grade)**

I have a math question that I do not really understand how to answer is there someone who can walk me through it? In Pinecrest middle school there are 58 6th graders 76 7th graders, and 38 8th graders. The counsel is made up of 35 students who are chosen to represent all three...
*Tuesday, December 17, 2013 at 3:42pm*

**physics**

An automobile moving at a constant velocity of 15 m/s passes a gasoline station. Two seconds later, another automobile leaves the station and accelerates at a constant rate of 2 m/s^2 in the same direction as the 1st automobile. How soon does the 2nd automobile overtake the ...
*Monday, December 16, 2013 at 4:36am*

**Mathematics**

The 25 term of an Arithmetic Progression is 7 1/2 and the sum of the first 23 terms is 98 1/2. Find the i. 1st term ii. common difference iii. sum of the first 30 terms
*Wednesday, December 11, 2013 at 7:25pm*

**7th grade mat**

8g+2+4g-2-3g=? (9g)
*Thursday, December 5, 2013 at 11:57pm*

**finance**

your finance text book sold 47,500 copies in the 1st year the publishing company expects the sales to grow at a rate of 23.0 percent for the next three years and by 12.0 percent in the fourth year calculate the total number of copies that the publisher expect to sell in year 3...
*Wednesday, December 4, 2013 at 5:20am*

**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 1/8, 1/4, and 3/8? 7...
*Monday, November 18, 2013 at 8:21pm*

**math**

Carlos was 5feet,8inches tall at the beginning of ninth grade. he grew 4 3/4inches during that school year and 2 1/4inches during follow the summer. how tall was Carlos at the beginning of tenth grade? Express his height in feet and inches.
*Monday, November 18, 2013 at 12:02pm*

**Statistics**

The following table shows a frequency distribution of patients with colon cancer treated at Community Hospital. Compute the proportion of patients in each category. Community Hospital Ages of Patients with Colon Cancer Annual Statistics, 20XX Age No. of Patients Proportion &#...
*Saturday, November 16, 2013 at 10:37am*

**physics**

a woman weighs Fg=650 when standing on a stationary scale. The woman is riding an elevator from the 1st floor to the 10th floor. As the elevator approaches the 10th floor, it decreases its upward speed from 9 m/s to 1 m/s in a time interval of 1 second. What is the average ...
*Saturday, November 2, 2013 at 1:21pm*

**Physics**

WOMAN IN ELEVATOR A woman weighs Fg= 650 N when standing on a stationary scale. Now, the woman is riding an elevator from the 1st floor to the 10th floor. As the elevator approaches the 10th floor, it decreases its upward speed from 8 m/s to 1 m/s in a time interval of 1 s. ...
*Saturday, November 2, 2013 at 12:42pm*

**Physics **

A woman weighs Fg= 600 N when standing on a stationary scale. Now, the woman is riding an elevator from the 1st floor to the 10th floor. As the elevator approaches the 10th floor, it decreases its upward speed from 7 m/s to 1 m/s in a time interval of 1 s. What is the average ...
*Saturday, November 2, 2013 at 12:09am*

**english**

Please help me. I wanna make sure if all corrects this. Thanks. Some people are so (1)ominous to living near a nuclear plant that they want the plant’s license to be (2)nullify. They say the plant infringes on every homeowner’s right to safety. Shannon is (3)endowed ...
*Wednesday, October 23, 2013 at 2:36am*

**Geology**

Can someone please help me with my review? 1)What grade of metamorphism common rocks are formed in- --- Is it high grade? 2)What is the name of the most rapid kind of mass wasting is> -- Weathering? 3)How to tell is a rock is igneous, metamorphic or sedimentary. 4)How to ...
*Thursday, October 17, 2013 at 11:50pm*

**Geogoly**

Can someone please help me with my review? 1)What grade of metamorphism common rocks are formed in- --- Is it high grade? 2)What is the name of the most rapid kind of mass wasting is> -- Weathering? 3)How to tell is a rock is igneous, metamorphic or sedimentary. 4)How to ...
*Thursday, October 17, 2013 at 11:42pm*

**Pre Algebra**

In Wilbur's math class, his grade is based on the average score of six tests, each worth 100 points. Wilbur always worries about his grade. He knows that his average on the first four tests is 88.5. What is the lowest average he could get on his next two tests and still ...
*Thursday, October 17, 2013 at 8:58pm*

**fast answer plss**

the sum of four angles about a point is 360degree.the measure of the 2nd angle is 6degreemore than 3times the 1st,the measure of the 3rd is 3degree more than twice the first,the measure of the 4th is 20 degree less than the 3rd.what is the measure of each angle?
*Friday, October 11, 2013 at 10:13am*

**College Math 45**

Mrs. Brown has 17 children in her first-grade class, and Mr. Lopez has 20 children in his second-grade class. The principal has been asked to select 1 student from one of the classes to appear at a PTA meeting. How many ways can the selection be made?
*Sunday, October 6, 2013 at 11:23pm*

**Math**

Julie has been offered two jobs. The 1st one pays $400 per week. The 2nd job pays $175 per week plus 15% commision of her sales. How much will she have to sell i n order for the 2nd job to pay as much as the first? how do you do this? i dont know the steps to.
*Thursday, October 3, 2013 at 7:44pm*

**Shurley English Grade 4**

I'm suppose to write sentences from Grade 4 Shurley English book. I was suppose to bring book home and use page 25 - I forgot the book - anyone know what is on page 25? Thanks
*Wednesday, October 2, 2013 at 5:41pm*

**Second Grade Reading**

Hello. I am a tutor. I tutor second grade students. I need a good website that will give me great tips on how I can better teach my students how to read, spell, and pronounce words. Can you please help me find a website like that?
*Saturday, September 28, 2013 at 10:42pm*

**grades**

your average grade if you get a b- then you get a d+ ?
*Thursday, September 26, 2013 at 5:45pm*

**statistics**

suppose that grade point averages of undergraduate students at one university have a bell shaped distribution with a mean of 2.55 and a standard deviation of 0.43. Using the empirical rule, what percentage of students have grade point averages that are between 1.26 and 3.84
*Monday, September 23, 2013 at 9:10pm*

**question**

is it better to take physics or chemistry if taking both whats better to take 1st in sophomore year better to take ap statistics or precalculas for becoming an architect
*Sunday, September 22, 2013 at 1:05pm*

**dma 040**

42 inch board is cut into 3 pieces. Piece 2 is twice as long as the 1st & 3rd piece. Piece 3 is three times as long as piece 1. Find inches of all three pieces
*Saturday, September 14, 2013 at 10:42pm*

**pre-algebra**

There are 1,400 students in a school.The number of girls is 3/4 the number of boys.How many students are in the other grade levels if 1/6 of the girls and 1/5 of the boys in first grade?
*Thursday, September 12, 2013 at 9:18pm*

**Math - Ratios**

In Mrs. Sotomayor's class, the final grade is based on 6 quizzes and 2 exams. If each exam counts for 3 times as much as each of the quizzes, what fraction of the final grade is determined by each exam?
*Tuesday, September 10, 2013 at 11:03pm*

**Money and Banking**

1. A firm uses capital to produce revenue. The marginal revenue from the first 5 units of capital is as follows: 1st unit has MR 2.30, 2nd unit has MR 1.9, 3rd unit has MR 1.70, 4th unit has MR 1.35, and 5th unit has MR 1.15. If the interest rate is 50%, what is the optimal ...
*Sunday, September 8, 2013 at 6:37pm*

**health 5 grade**

i need help in health subject for my son 5 grade Question 1- connect suppose you have a cold. this affects your physical health. does if affect your mental,emotional,family, and social health, too? explain why or why not. Question 2- practice healthful behaviors Make a list of...
*Friday, September 6, 2013 at 8:21pm*

**Math**

The fifth and sixth grades at Oak Street School are having fair.There are 50 students total and 3/5 of the students are fifth grade students.How many fifth grade students are entered in science fair?
*Wednesday, September 4, 2013 at 10:47pm*

**Math**

The fifth and sixth grades at Oak Street School are having fair.There are 50 students total and 3/5 of the students are fifth grade students.How many fifth grade students are entered in science fair?
*Wednesday, September 4, 2013 at 9:49pm*

**math**

The 1st 3 members of a team finished their laps with a mean time of 53 seconds. What mean time do the next 2 members will gine an overall team mean of 50 seconds?
*Tuesday, August 27, 2013 at 10:36pm*

**maths**

Calvin stays on the 7th floor in his building. Between each floor, there are exactly 12 stairs. If he starts from the 1st floor and climbs his way up to the 7th floor, how many stairs does he climb?
*Wednesday, August 21, 2013 at 11:07am*

**math**

Ez stop fast gas sold 10957 worth of gasoline yesterday. Redular grade sold for 2.30 a gallon and premium grade sold for 2.55 a gallon. If the station sold 420 more regular than premium, how many gallons of regular were sold
*Monday, August 12, 2013 at 2:12am*

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