Tuesday

September 1, 2015
**Oak view elementary **

It is greater than 43 and less than 52 if you add the digits the sum is 8 write the number word
*Monday, August 31, 2015 by Miracle*

**Inwood elementary**

Round 65.736 to the nearest tenth
*Tuesday, August 25, 2015 by NiyAh*

**English (3rd grade)**

Where can I read Berries, Berries, Berries ? Wasn't given the author from 3rd grader and her school is August Ahrens Elementary School. The book has a bear on the front cover and the bear is looking for berries for Spring. I have already searched the book on google and I ...
*Tuesday, August 25, 2015 by anon*

**Kaputian central elementary school**

My math book is in my locker. All the digits in my locker are odd numbers and their sum is 11. There are 120 lockers. What is my locker number?
*Sunday, August 9, 2015 by Nicirl dionsay*

**chemistry**

A reaction proceeds by the following three-step mechanism with elementary rate coefficients, k. A + B → C k 1 C → A + B k -1 C → B + D k 2 (C is a chemical radical) (ii) By applying the Steady State Approximation determine the overall order of the reaction. (...
*Thursday, July 30, 2015 by jay*

**science**

cite samples of lesson plan for elementary students
*Sunday, July 26, 2015 by tina*

**Elementary statistics **

Scores on an English test are normally distributed with a mean of 78% and a standard deviation of 4.5%. Find the value of the first quartile.
*Monday, July 20, 2015 by Lizzy*

**Elementary Statistics **

The diameters of pencils produced by a certain machine are normally distributed with a mean of 0.39 inches and a standard deviation of 0.04 inches. If 500 pencils are selected how many would you expect to have a diameter more than 0.33 inches?
*Monday, July 20, 2015 by Lizzy*

**English**

4. You applied for teaching. Would you let us know why you decided to be a teacher? - When I was an elementary school student, my homeroom teacher liked me very much. I also studied hard to please my teacher. So, my future job became teaching at school. I like teaching kids at...
*Monday, July 13, 2015 by rfvv*

**Finite Math **

State and perform the next elementary row operations that should be performed to put the matrix in diagonal form 1 2 -3 3 2 -4 6 8 3 6 15 12
*Thursday, July 2, 2015 by Krystal*

**Elementary Statistic**

twenty-five percent of all death are caused by diseases of the heart Ischemic heart disease accounts for 16.4% of all death and heart failure for 2.3% choose one death at random. What is the probability that it is from ischemic heart disease given that it was from heart ...
*Wednesday, June 24, 2015 by Angela*

**Math**

Of the 597 students at Duzine Elementary School, 19% have a computer at home. About how many students have a computer at home?
*Wednesday, June 17, 2015 by Anonymous*

**Elementary Statistics**

determine whether the given is a statistics or parameter. 1.) There are 50 capitol states in the US. Answer: Parameter 2.) Among the flights included in the sample of flights in Data set 15 in Appendix B, 21% arrived late. Answer: Statistics
*Tuesday, May 26, 2015 by Mar*

**Calculus**

What is the solution to the following system of equations -2x+3y+z=5 x+5y+2z=17 To do this, I used elementary operations and isolated x to get 13y+5z=37. Is that correct so far? How would I continue?
*Thursday, April 30, 2015 by Sara*

**English**

Is this sentence punctuated correctly? At elementary school, my teacher delighted in handing me worksheets crowded with row upon row of three to five digit long division problems.
*Sunday, April 26, 2015 by Luke*

**Calc 1**

Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it. lim x→∞ (x tan(3/x))
*Monday, April 20, 2015 by TayB*

**Calc 1**

Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it. lim x→∞ x^7e^−x^6 Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it. lim...
*Monday, April 20, 2015 by TayB*

**Calc 1**

Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it. lim x→0+ (sinx ln2x)
*Monday, April 20, 2015 by TayB*

**Calc 1**

Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it. lim x→0 (sin^−1 x)/7x Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it. lim x...
*Monday, April 20, 2015 by TayB*

**Calc 1**

Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it. lim x→0 (7x−sin 7x)/(7x−tan 7x)
*Monday, April 20, 2015 by TayB*

**Calc 1**

Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it. lim x→0 (e^9x−1−9x)/(x^2)
*Monday, April 20, 2015 by TayB*

**Calc 1**

Find the limit. Use l'Hospital's Rule if appropriate. If there is a more elementary method, consider using it. lim x→3 (x^2+3x−18)/(x−3)
*Monday, April 20, 2015 by TayB*

**Elementary Statistics**

10. In a game of “chuck a luck” three dice are rolled. If your number comes up on all three dice you win $3. If your number comes up on two dice you win $2. If your number comes up only once you win $1. If your number doesn’t come up at all you lose $1. a) What ...
*Sunday, April 19, 2015 by Gary*

**Vectors**

What is the nature of intersection of these three planes: 5x+3y-z=11 -2x-7y+10z=2 6x+21y-30z=-6 I know that the answer is two parallel planes and the other one intersecting in a line. my question is how would you know that the first equation intersects in a line? Would you use...
*Sunday, April 19, 2015 by Sara*

**Math**

Put this matrix in Reduced Row Echelon Form. Make sure that you list the Elementary Row Operations that you use and show every step in order to solve this. [ 1 2 1 -2 -3 1 3 5 0]
*Thursday, April 9, 2015 by Michael*

**Math**

Put this matrix in Reduced Row Echelon Form. Make sure that you list the Elementary Row Operations that you use and show every step in order to solve this. [ 1 2 1 -2 -3 1 3 5 0]
*Wednesday, April 8, 2015 by Michael*

**Elementary Algebra**

Walk 1or2 miles. Check the time before starting your walk and at the end of your walk. Determine your waling rate in minutes per mile. Create an equation that describes the rate. walk 1 mile time 6:00 to 7:30 so this would be 90minutes and that is where I get stuck at.
*Saturday, April 4, 2015 by Lavery*

**Chemistry physics**

3.25x10-3 kg of gold is deposited onto the negative electrode of an electrolytic cell in a period of 2.78 hours, what is the current through this cell in amperes? Assume that the gold ions carry one elementary unit of charge
*Tuesday, March 31, 2015 by Bill*

**Physics**

If 3.25x10-3 kg of gold is deposited onto the negative electrode of an electrolytic cell in a period of 2.78 hours, what is the current through this cell in amperes? Assume that the gold ions carry one elementary unit of charge
*Tuesday, March 31, 2015 by Bill*

**Elementary Algebra**

Each serving of Planters Lightly salted peanuts contains 95 mg of sodium. This is 50% of the sodium content in each serving of planters. How many milligrams are in a serving of the dry roasted peanuts? I am not sure where to start about solving this problem I need help.
*Wednesday, March 25, 2015 by Lavery*

**Math **

Directions: Use the following matrix to perform the elementary row operations sequentially. A=[3 2 |8] [5 2 |12] 1.) (1/3) R1 From the original matrix 2.) -5R1+R R2 From matrix in question 1.
*Monday, March 23, 2015 by Holly*

**chemistry**

1)Thallium (I) is oxidized by cerium (IV) as follows: Tl+ + 2 Ce+4 Tl+3 + 2 Ce+3 The elementary steps, in the presence of Mn(II), are as follows: Step 1 Ce+4 + Mn+2 --- Ce+3 + Mn+ Step 2 Ce+4 + Mn+3 ---- Ce+3 + Mn+4 Step 3 Tl+ + Mn+4 ----- Tl+3 + Mn+2 (a) Identify the...
*Sunday, March 22, 2015 by treasa*

**chemistry**

I need an example of an elementary reaction to go with the definition An elementary reaction is a reaction in which reactants are converted to products in a single step.
*Monday, March 16, 2015 by alyssa *

**Chemistry**

for a project i had to make cards with words and then an example of those words, and i've done almost all of them, but I have a few words I need examples for activation energy activation energy activated complex elementary reaction
*Monday, March 16, 2015 by Alyssa*

**Chemistry **

I need definitions for chemistry and I can't come up with any heterogeneous reaction homogeneous reaction activation energy activation energy activated complex elementary reaction
*Monday, March 16, 2015 by Al*

**Account **

Howie Stars produces starts for elementary teachers to reward their students. Howie Stars' trial balance on June 1 follows "HOWIE STARS Trial Balance June 1, 2012" Balance Account Title Debit Credit Cash $14,000 Accounts receivable 155,000 Inventories: Materials ...
*Sunday, March 15, 2015 by Shraddhya Dubey*

**english confused **

ive read this story over five times and still dont really get the meaning of bia's dream help plzz RED MESA, Arizona (Achieve3000, July 21, 2007). Although she grew up as a Diné, the term Navajo members use to describe their nation, young Andrethia Bia measured her ...
*Thursday, March 12, 2015 by jimm*

**language arts**

WEDNESDAY March 11, 2015 SCHOOL SUBJECTS Art Business Computers English Foreign Languages Health Home Economics Math Music Physical Education Science Social Studies GRADE LEVELS Preschool Kindergarten Elementary School 1st Grade 2nd Grade 3rd Grade 4th Grade 5th Grade 6th ...
*Wednesday, March 11, 2015 by hello*

**Elementary Statistics **

"Scores on the Wechsler IQ test approximate a normal curve with a mean of 100 and a standard deviation of 15. b. What percentage of IQ scores are below 74?" I've been working at this for a while now, but when I solve for the z-score, I keep getting a negative ...
*Tuesday, March 10, 2015 by Nicole*

**tablun elementary school**

the side of a square is 7x - 8y cm. what isthe area?
*Sunday, March 1, 2015 by althea*

**Chemistry**

Even when a mechanism is consistent with the rate law , later experimentation may it to be incorrect or only one of several alternative. As an example, the reaction between hydrogen and iodine has the following rate law: rate=k[H]^3[I]2. The long accepted mechanism proposed a ...
*Saturday, February 28, 2015 by Munavvar*

**Chemistry**

Why is the slowest elementary step "the rate determining step"?
*Monday, February 16, 2015 by Student*

**chemistry**

Based on reaction kinetics, which of the following pairs of reactions and reaction rate equations represent elementary reactions? You may choose more than one reaction. Ti + 2Cl2 = TiCl4 Rate = k[Ti][Cl2] 2SO2 + O2 = 2SO3 Rate = k[O2][SO2]2 Na2S + CuSO4 = CuS + Na2SO4 Rate = k...
*Saturday, February 14, 2015 by danny*

**Math**

Q. Lincoln valley elementary held its annul skating party and 3 fourths of the 400 students came. Of the students who came,1 fifths brought skates from home. How many students rented skates? A. Do I mulpite 400 by 3 fourths than get the answer than mulpite 1 fifths by the ...
*Monday, February 9, 2015 by Destinee*

**Not a subject for course-off topic question**

Hello, I don't know where else to post the question but since this website has many teachers helping students and probably the appropriate place to ask. ----------------------------------------- So today I was just thinking about the past in my life and one thing ...
*Sunday, February 1, 2015 by John Doe*

**elementary differential geometry**

Suppose that all the tangent lines of a regular plane curve pass through some ﬁxed point. Prove that the curve is part of a straight line. Prove the same result if all the normal lines are parallel.
*Saturday, January 31, 2015 by thida*

**english**

School has increased in its difficulty over the years. In the past, kindergarten was carefree; all I had to do was finger paint, crafts, and daily nap-times, which gave me the rest I needed. During my elementary years, math went from adding and subtracting to multiplication ...
*Monday, January 26, 2015 by john234 *

**Math**

Q. As a project,the fifth grade students at Scott Elementary School collected newspaper to recycle. During the first week, they collected 212 pounds of newspapers. For each of the next four weeks,they doubled the previous week's amount of the newspaper collected. What was ...
*Friday, December 5, 2014 by Phoebe*

**5th grade math**

Q. John Brown elementary school Art Club was recycling paper towel tubes for their holiday crafts project. The school enrollment was 629 students. If the art club asked every student to bring 6 empty paper towel tubes to make the project. How many paper tubes will they need? A...
*Thursday, December 4, 2014 by Phoebe*

**Math**

Q.Bettler Elementary School was recycling thier copier paper after the students had completed worksheets. they found that when they filled the barrel with paper it weighed an avearge of 463 pounds. if they collected 16 barrels of paper during the year. what was the approximate...
*Thursday, December 4, 2014 by Phoebe*

**Elementary Alegebra**

jon's age is 120% of Sara's age. If their age difference is 5 years, how old are jon and sara?
*Tuesday, December 2, 2014 by Nae*

**math**

Q. As a project,the fifth grade students at Scott Elementary School collected newspapers to recycle. During the first week,they collected 212 pounds of newspapers. For each of the next four weeks,they doubled the previous week's amount of newspaper collected. What 6th was ...
*Monday, December 1, 2014 by Destinee *

**Foundation of a Healthy Lifestyle**

One reason early childhood education centers have become increasingly important providers of health education is that A. younger, healthier teachers and classroom aides have emerged. B. schools are more sanitary than 70 percent of home environments. C. working parents are ...
*Thursday, November 20, 2014 by Amanda*

**Math Elementary Linear Algebra**

determine whether or not the given set forms a basis for the indicated subspace: #1 {1,1,0), (1,1,1)} for the subspace of R^3 of all (x,y,z) such that y= x+z #2 {[1,2,-1,3), (0,0,0,0)} for the subspace of R^4 of all vectors of the form (a,b, a-b,a+b) and #3 {(2,0,2), (1,1,1)} ...
*Sunday, November 16, 2014 by Anna*

**Elementary Math**

Miriam is four years older than Ricardo. Ten years ago Miriam was 3 times as old as Ricardo was then. How old are they now?
*Sunday, November 16, 2014 by Enis*

**Biochem**

Computers English Foreign Languages Health Home Economics Math Music Physical Education Science Social Studies GRADE LEVELS Preschool Kindergarten Elementary School 1st Grade 2nd Grade 3rd Grade 4th Grade 5th Grade 6th Grade 7th Grade 8th Grade High School 9th Grade 10th ...
*Thursday, November 13, 2014 by Pop*

**Elementary Math**

X+(x+)+ (X+2)=3x+ 3 then anotgher student wrote (X-1)+ X + (X+1)=3X which one is correct
*Friday, November 7, 2014 by Edward P*

**Preschool Creative Thinking**

The eclectic theoretical approach that most teachers use means that: a. the major development theories are used on different days of the week on a rotating basis. b. one major developmental theory is used for toddlers, another for preschool, another for kindergarten, and the ...
*Friday, November 7, 2014 by Anonymous*

**Elementary manth**

Jose said that the square root -X=3 has no solutino since teh square root is a negative, is this true. I think it does has a solution
*Wednesday, November 5, 2014 by Molly *

**The practice of working with school age children**

_______ offer summer specialty activities that often interest teens. A. Camps B. Child care facilities C. Public elementary schools D. Libraries A.
*Wednesday, October 29, 2014 by Amanda*

**Theories and issues in working with school-age chi**

According to the National Center for Educational Statistics, which of the following is a false statement? A. Boys are more likely than girls to fail or drop out of school. B. When it comes to grades and homework, boys outperform girls in elementary, secondary, high school, ...
*Friday, October 24, 2014 by Amanda*

**Algebra**

Business Computers English Foreign Languages Health Home Economics Math Music Physical Education Science Social Studies GRADE LEVELS Preschool Kindergarten Elementary School 1st Grade 2nd Grade 3rd Grade 4th Grade 5th Grade 6th Grade 7th Grade 8th Grade High School 9th Grade ...
*Thursday, October 9, 2014 by Anonymous*

**coolkid1234567890**

Purple Blue elementary school is 187 miles from washington dc. According to google maps it should take about 3 hours and 5miutes to get there. What is our speed. Please tell me how you did it and the answer. Thank you
*Thursday, October 9, 2014 by alexander*

**Reading**

I would like someone to revise this for me. Thanks! *** **** 10/5/14 Ever since I can remember I have lived in Philadelphia. I have many nice memories from Philadelphia, and I am fortunate enough to have a relatively normal life without having to experience pain of suffering. ...
*Wednesday, October 8, 2014 by Joe :)*

**Language Arts**

Hello everyone! I was just wondering if you could revise this autobiographical essay for me? Thanks for your time! *** **** 10/5/14 Ever since I can remember I have lived in Philadelphia. I have many nice memories from Philadelphia, and I am fortunate enough to have a ...
*Tuesday, October 7, 2014 by Joe :)*

**Physics**

The current density of an ideal p-n junction under illumination can be described by: J(V)=Jph−J0(e^qV/kT−1) where Jph is the photocurrent density, J0 the saturation current density, q the elementary charge, V the voltage, k the Boltzmann's constant, and T the ...
*Friday, October 3, 2014 by qwerty*

**Economics**

State of the good is pure private, pure punlic, or mixed. 1. County zoo 2. UPS Delivery 3. Air conditioning 4. Flood control projects 5. Elementary education 6. Pollution 7. Math tutor I think they are: 1. Mixed 2. Mixed 3. Mixed 4. How is a project a good? 5. Pure private 6. ...
*Thursday, October 2, 2014 by AnaGloria1020*

**Elementary Satistics**

Test the following function to determine whether it is a probability function. If it is not, then make it into a probability function. (Give your answers correct to one decimal place.) R(x) = 0.2, for x = 0, 1, 2, 3, 4 (a) List the distribution of probabilities. R(0) =0 ...
*Sunday, September 21, 2014 by Vickie Huff*

**psychology**

Carrie is a fifth grader at Gorrie Elementary school—a school near an affluent neighborhood in a suburb of a major city. Carrie, who lives with her divorced mother—a high school dropout with a steady job as a minimum wage housekeeper—seems to have limited ...
*Wednesday, September 17, 2014 by tunya*

**elementary**

Magic square 13.6
*Wednesday, September 17, 2014 by aj*

**Psychology**

Carrie is a fifth grader at Gorrie Elementary school—a school near an affluent neighborhood in a suburb of a major city. Carrie, who lives with her divorced mother—a high school dropout with a steady job as a minimum wage housekeeper—seems to have limited ...
*Monday, September 15, 2014 by Shirine *

**English Grade 9 Essay Check/SUggestions For improv**

Hi, so my name is Katherine, and I am in grade 9. Hello Ms.Fowlks. The three classes I am taking are spanish, english, and oklahoma history. Sorry, I have to give a bit of information so my teacher knows I wrote this and it is not plagiarized. :D Anyways, can you give any ...
*Saturday, September 13, 2014 by Katt*

**Curriculum**

When are children who live with overly critical or controlling adults particularly vulnerable? A. During years two and three, when they're exercising increased autonomy B. During elementary school, when involved in real task completion C. During preadolescence, when they ...
*Saturday, September 13, 2014 by Daniela*

**The Curriculum**

When are children who live with overly critical or controlling adults particularly vulnerable? A. During years two and three, when they're exercising increased autonomy B. During elementary school, when involved in real task completion C. During preadolescence, when they ...
*Friday, September 12, 2014 by Daniela*

**The Curriculum**

When are children who live with overly critical or controlling adults particularly vulnerable? A. During years two and three, when they're exercising increased autonomy B. During elementary school, when involved in real task completion C. During preadolescence, when they ...
*Sunday, September 7, 2014 by Daniela*

**Precedence rules for the algebra community**

Precedence of operators In simple algebra, there is a set of precedence (priority) of operations that should be respected in order that everyone evaluates mathematical expressions in the same way. Although these rules have been taught in elementary school or junior high school...
*Tuesday, September 2, 2014 by MathMate*

**POL201 **

A policy area in the middle of these cross-currents is elementary and secondary education – a subject traditionally under local control, with some oversight by the states. However, during the last four decades – especially since 2001 – the national government&#...
*Friday, August 1, 2014 by Sara*

**statistics**

M&M’s The candy company claims that 10% of the M&M’s it produces are green. Suppose the candies are packed at random into small bags containing about 25 M&M’s per bag. A class of elementary students learning about percentages opens several bags, counts the ...
*Monday, July 14, 2014 by Anonymous*

**statistics**

M&M’s The candy company claims that 10% of the M&M’s it produces are green. Suppose the candies are packed at random into small bags containing about 25 M&M’s per bag. A class of elementary students learning about percentages opens several bags, counts the ...
*Sunday, July 13, 2014 by help*

**Lake Arbor Elementary**

Marjorie has 28 feet of trim to use as edging on a rectangular blanket she wants to make. What is the length and width of two blanket sizes she could make
*Tuesday, June 3, 2014 by Kemi*

**PE--Check my answers :)**

Which resource would be the best choice to learn more information about studying martial arts? dance studio *** local bait shop phone book public golf course 2. At the 8th grade dance, Myron asks Janelle if she would like to dance with him seconds before Octavio asks Janelle ...
*Tuesday, May 20, 2014 by Anonymous*

**Statistics**

A study found that 82% of elementary students buy lunch at school at least once a month. How large a sample would be necessary to estimate the true proportion within four percentage points with 95% confidence
*Wednesday, May 14, 2014 by Statistics*

**troy Academy**

based on the results of the studies, what should an elementary school teacher do to ensure that a child with an unusual name develops normal intellectual ability
*Thursday, May 8, 2014 by lee*

**PLEASE HELP!! Org. & Admin. of Sports & Recreation**

The least valid qualification in hiring a coach is: (A) A College superstar B Thorough knowledge of rules and techniques C Ability to teach D Understanding of players E Desirable personality The interests of all athletes participating are best served if: (C) A The present ...
*Saturday, May 3, 2014 by Patti *

**Homework helpline?**

Is there a homework helpline for college level I can call and ask homework questions through the phone? I know there is one that is available for elementary school and middle school, and it would seem a little ludicrous for one to be available for this level, but are there any...
*Monday, April 28, 2014 by Dana*

**Statistics**

Prof. C is studying a population of the elementary school pupils in a school district with data on all its children. Another prof. suggests he calculate a confidence interval to estimate the mean age of the children. Prof C responds that it is not necessary. Explain why Prof. ...
*Wednesday, April 23, 2014 by Kevin*

**ENGish**

1. What are the characteristics of an effective television newscaster? Explain. 2. Why are so many people over the age of twenty-one entering college? Discuss. 3. What could be done to make the public less hesitant to report crime? 4. Do Americans seem unable to relax in ...
*Monday, April 21, 2014 by DYLAN*

**math (Matrix algebra)**

solve the equations by using a) the adjoint matrix b) elementary row operations i) x+y+z=6 2x-y+z=3 x+4y-z=6 ii) 3p-3q+r=1 -3p+5q-2r=-1 p-2q+r=3 iii)-12a+b+17c=-14 2a-b+3c=5 8a+b-13c=-3 thanks sir/madam
*Wednesday, April 16, 2014 by munir*

**math (Matrix)**

solve the equations by using a) the adjoint matrix b) elementary row operations i) x+y+z=6 2x-y+z=3 x+4y-z=6 ii) 3p-3q+r=1 -3p+5q-2r=-1 p-2q+r=3 iii)-12a+b+17c=-14 2a-b+3c=5 8a+b-13c=-3 thanks sir/madam
*Tuesday, April 15, 2014 by MARYSE*

**maths (matrix)**

solve the equations by using a) the adjoint matrix b) elementary row operations i) x+y+z=6 2x-y+z=3 x+4y-z=6 ii) 3p-3q+r=1 -3p+5q-2r=-1 p-2q+r=3 iii)-12a+b+17c=-14 2a-b+3c=5 8a+b-13c=-3 thanks sir/madam
*Tuesday, April 15, 2014 by shiha*

**Elementary Algebra**

"The university of Oklahoma maintains a fleet of vehicles to rent to university departments. To transport equipment, the School of Drama needs to rent either a cargo can or a pickup truck for one day. The cargo van costs $28 for a day, plus $0.22 per mile. The pickup ...
*Tuesday, April 15, 2014 by Taba*

**math (Matrix)**

solve the equations by using a) the adjoint matrix b) elementary row operations i) x+y+z=6 2x-y+z=3 x+4y-z=6 ii) 3p-3q+r=1 -3p+5q-2r=-1 p-2q+r=3 iii)-12a+b+17c=-14 2a-b+3c=5 8a+b-13c=-3 thanks sir/madam
*Tuesday, April 15, 2014 by shahira*

**Calculus Help Please Urgent!!!**

find the limit algebraically. Use L'Hospital's Rule where appropriate. If there is a moare elementary method, consider using it. If L'Hospital's Rule doesn't apply, explain why lim -> 0 (cot(x)-(1/x)) show work please!!!
*Sunday, April 13, 2014 by Selda*

**Elementary Statistics**

There are 100 questions from an SAT test, and they are all multiple choice with possible answers of a,b,c,d,e. For each question, only one answer is correct, find the standard deviation for the numbers of correct answers for those who make random guesses for all 100 questions.
*Friday, April 11, 2014 by Confused*

**Math**

In Mrs. Julie's classroom the ratio of boys to girls is 12 to 8. If the entire elementary school has a population of 400 students, how many would you expect to be girls?
*Sunday, March 30, 2014 by Anonymous*

**MATH**

there are 400 students at smith Elementary school 1/4 of the students are in fourth and fifth grade, 1/10 of the students are in grade 3, 2/8 are in second grade and 2/5 are in first grade . How many kids are in each grade? (4th and 5th have an equal amount)
*Monday, March 24, 2014 by MANISH*

**Physics**

An ice puck of mass m revolves on an icy surface in a circle at speed v at the end of a horizontal string of length L. The tension in the string is T Write the equation for centripetal force, and substitute the values T and L appropriately. Then with a bit of elementary ...
*Thursday, March 20, 2014 by James *

**Algebra **

1) There are two pet stores in zacharys town. There are dogs, cats, and hamsters at the first pet store. The second store has dogs, rabbits, and fish. Write a set that represents all of the different pets stores in the town. 2) of the 125 students in an elementary school, 89 ...
*Saturday, March 15, 2014 by Math Help? Please*

**Algebra **

1) There are two pet stores in zacharys town. There are dogs, cats, and hamsters at the first pet store. The second store has dogs, rabbits, and fish. Write a set that represents all of the different pets stores in the town. 2) of the 125 students in an elementary school, 89 ...
*Friday, March 14, 2014 by Math Help? Please*

**Algebra **

1) If N is the set of natural numbers that are factors of 18, represent this set in roster form. 2) Suppose U={1,2,3,4,5,6,7,8,9,10} is the universal set and A={1,4,5,9,10} What is A? 3) The wrestling team is holding a car wash. The teams goal is to raise at lease 252 and each...
*Friday, March 14, 2014 by Math Help? Please*