Sunday

October 26, 2014

October 26, 2014

Post a New Question | Current Questions

**statistics**

You want to estimate the difference in grade point averages between two groups of university students to be accurate within 0.2 grade point, with probability approximately equal to 0.95. If the standard deviation of the grade point measurements is approximately equal to 0.6, ...
*Wednesday, August 13, 2014 at 2:43pm*

**statistics**

The trends in international mathematic and science study (TIMSS) in 2007 examined eighth grade proficiency in math and science. The mean mathematics scale score for the sample of eighth grade students in the US was 508.5 with a standard error of 2.83. Construct a 95% ...
*Saturday, August 2, 2014 at 7:14pm*

**What does your overall grade have to be to pass?**

I'm in the eighth grade and mine is 64 percent am I passing?
*Thursday, June 5, 2014 at 10:57am*

**math -logarithm **

Write the equations in logarithmic form. (a) 729 = 93(9 to the 3rd power) (b) 25 = 1/5 −2( 1/5 to the -2 power) a = bc ( c squared)
*Tuesday, June 3, 2014 at 5:52pm*

**Math**

These two box and whisker plots show the results of a science test. Plot 1: Minimum:65, Maximum:95, Median:82, 1st Quartile:67, 3rd Quartile:88 Plot 2: Minimum:57, Maximum:100, Median:92, 1st Quartile:78, 3rd Quartile:93 What does this information tell you about the results? A...
*Monday, May 26, 2014 at 10:20pm*

**Math**

A G.p is such that the 3rd term is 9 times the first term, while the second term is 124 of the fifth. Find the fourth term
*Saturday, May 24, 2014 at 4:31am*

**Algebra**

Alma can grade a batch of placement exams in 3hr and Kevin can grade a batch in 4hr. if they work together to grade a batch of exams, what percentage of the exams will have been graded by Alma?
*Saturday, May 24, 2014 at 2:36am*

**Math**

2(x-14)+3=7x+5 1xt open bracket=2x-28+3=7x+5 2nd 2x-25=7x+5 3rd 2x-7x=30 -5x=30 x=30/-5 x=-6
*Friday, May 2, 2014 at 12:07am*

**math question**

If jack has a 63% as his grade.If he takes a test worth 9% and got 10/10 what would his grade be then?
*Monday, April 28, 2014 at 9:39am*

**Math**

How many roots does x to the 3rd power -2x to the 2nd power-13x-10=0 have
*Monday, April 21, 2014 at 4:24pm*

**Math **

The percent grade of a highway is the amount that the highway raises or falls in a given horizontal distance. For example, a highway with a four percent grade rises 0.04 mile for every 1 mile of horizontal distance. a. How many feet does a highway with a six percent grade rise...
*Friday, April 4, 2014 at 1:14am*

**Fractions**

Last night 16/28 of the tenth grade girls and 19/30 of the tenth grade boys went to go ice skating. Did a greater fraction of tenth grade girls or boys went ice skating? Prove it.
*Wednesday, March 26, 2014 at 7:50pm*

**Computer **

Home work:- Write a program to read 5 records consists of first name, last name, id and grade. Assign the grade according to the following specifications: 0<g<= 50 F 50<g<=60 D 60< g<= 70 C 70<g<=90 B 90<g <=100 A Use Stringtokenizer and buffering...
*Thursday, March 20, 2014 at 12:49pm*

**math**

please solve 100 divided by 5 to the 2nd power times 4 to the 3rd power.
*Sunday, March 16, 2014 at 7:59pm*

**math**

A G.P has 6 terms. If the 3rd and 4th term are 28 and -56 respectively find common ratio, first term and the sum of the G.P.
*Friday, March 14, 2014 at 4:47pm*

**general**

In which site i will get free cogat download printables questions for 3rd and 4th grades
*Thursday, March 13, 2014 at 11:36am*

**mathematics **

MATHEMATICS PLEASE HELP ME!!! In an arithmetic series the 3rd term is twice the 8th term find the first 25 terms
*Thursday, March 6, 2014 at 10:43am*

**math**

In an arithmetic series the 3rd term is twice the 8th term. Find the sum of the first 25 terms.
*Thursday, March 6, 2014 at 9:40am*

**Math**

The 3rd term of a geometric series is 18 , and the 5the term is 162 .Determine the sum of the of the first 7 terms ,where r < 0
*Sunday, March 2, 2014 at 7:03am*

**Math**

Determine whether the equation represents direct, inverse, joint, or combined variation. y = 2x on 3rd
*Thursday, February 20, 2014 at 3:45pm*

**math**

lenzy has a 77 a c. as a grade. if she fails a test worth 26% 0/22 what will her grade be
*Tuesday, February 18, 2014 at 3:36pm*

**Math help**

Someone please help me out on this polynomial!!! 2x(squared) y4(4th power)(2x(squared)y+2xy-3x(5thpower)y(3rd power)
*Monday, February 17, 2014 at 6:19pm*

**Statistics in Psychology**

What research steps must you go through to use the relationship between a person’s intelligence and grade average in high school so that, if you know a person’s IQ, you can more accurately predict the person’s grade average?
*Monday, February 10, 2014 at 1:17pm*

**STATISTICS**

What research steps must you go through to use the relationship between a person’s intelligence and grade average in high school so that, if you know a person’s IQ, you can more accurately predict the person’s grade average?
*Monday, February 10, 2014 at 5:29am*

**Coordinate geometry **

Help me i this please the segment joining the midpoint of 2 sides f a triagle is parallel to the 3rd side and half as long. thaks
*Monday, February 3, 2014 at 4:37am*

**math 3rd**

I have to subtract 1.- 0.98765= I think it should be 1.98765 but I used the calculator to see if it was right and I get 0.01235 don't understand how that could be right?
*Wednesday, January 8, 2014 at 4:20pm*

**math**

How do I find the 3rd side of a triangle if I am given 2 sides and there is no mention if it is a right triangle?
*Sunday, January 5, 2014 at 6:29pm*

**Math - Algebra**

Von's arcade uses 3 different colored tokens for its game machines. For 500, you can purchase any of the following combinations of tokens: 8 gold, 18 silver, and 7 bronze tokens; 8 gold, 14 silver, and 13 bronze tokens; or 16 gold, 6 silver, and 9 bronze tokens. What is ...
*Saturday, January 4, 2014 at 9:26pm*

**Algebra 2**

A grocer mixes x kg of Grade A and Y kg of Grade B nuts to get 60 kg of mixed nuts. Write and equation involving x and y to represent this information. The grocer sells all the mixed nuts at 9.00 per kg. He receives the same amount of money as when he sells the Grade A nuts ...
*Thursday, December 5, 2013 at 8:45pm*

**ENGLISH**

MY SON STUDYING IN 3rd HAD A ELECUTION COMPETITION ABOUT "FOOD HABIT IS A GREEN HABIT".CAN I HAVE AN ESSAY ABOUT THIS AS SOON AS POSSIBLE...PLEASE HELP ME....
*Friday, October 25, 2013 at 3:49pm*

**Math**

If my mid-term is worth 15%, and my grade is 100% right now. If I get 0 on the exam, my grade would be 85% right?
*Wednesday, October 23, 2013 at 1:13am*

**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**

A 154-pound woman walks at 3.0 mph 0% grade for 5 min, runs at 5.5 mph 5% grade for 32 min. What is her total caloric expenditure?
*Sunday, October 6, 2013 at 12:54pm*

**programming**

Grades are assigned on the standard 90, 80, 70, 60 scale. You are to write an algorithm which will receive a student name and a percentage grade and display the letter grade to be awarded
*Thursday, September 26, 2013 at 2:46am*

**7th Grade**

I just wanna know anyone who's been in 7th grade what do you learn in science mostly throughout the year??
*Monday, September 16, 2013 at 9:51pm*

**math 5th grade**

Hunter school has a kindergarten and grades 1 through 6. there are 2 kindergarten and 2 classes in each grade. If the maximum class size is 25, what is the greatest number of students that could be in the school?
*Thursday, September 12, 2013 at 8:09pm*

**Quantum physics**

docs(dot)google(dot)com/file/d/0B4uUFmATOigqbjAxU2tRNjVwa1E/edit?usp=sharing (a) What is the inner product of the 3rd row and 14th row of this matrix? b) What is the inner product of the 3rd row with itself? C) Suppose we have a quantum circuit that takes the input |0&...
*Sunday, September 8, 2013 at 6:28am*

**Intermediate Algebra**

for the polynomial function h(x)=2x to the 4th power-x to the 3rd power+2x to the 2nd power -4x-3 evaluate h(3)
*Saturday, September 7, 2013 at 1:59pm*

**Intermediate Algebra**

name the type of polynomial and give its degree for 7x to the 3rd power + 6x to the 2nd power -2=
*Saturday, September 7, 2013 at 1:56pm*

**Algebra **

The ages of three brothers are three consecutive even integers. If the sum of the 1st, four times the 2nd, and twice the 3rd is 86, what is the age of the oldest brother?
*Saturday, August 24, 2013 at 2:58pm*

**SAT MATH**

If the n^th term of a sequence is n^3 -5n, then how much greater is the 7th term than the 3rd term?
*Friday, August 23, 2013 at 12:20pm*

**Calculus**

Find the 3rd order for the taylor polynomial in powers of x for the function f(x)=sinh2x and find the remainder as a function of x and c. P3(x)=? R3(x)=? What's the kth term expression?
*Tuesday, June 18, 2013 at 8:46pm*

**Physics**

Green light of 540 nm is diffracted by a grating of 200lines/mm. calculate the angular deviation of 3rd order image. is 10th order possible?
*Tuesday, June 11, 2013 at 3:12pm*

**math**

in a geometric sequence the first term is 2. The 3rd term is the sum of the 1st and 2nd term. Find the ratio, and the 2 terms
*Monday, June 3, 2013 at 9:12pm*

**Statistics**

The accompanying data show the number of hours, x, studied for an exam and the grade received, y (y is measured in tens; that is, y = 8 means that the grade, rounded to the nearest 10 points, is 80). x 2 3 3 4 5 5 5 6 6 6 7 7 7 7 8 y 5 5 6 5 6 7 8 6 9 8 7 9 10 8 9 Maple ...
*Sunday, May 26, 2013 at 10:05am*

**Math**

Create a 3rd degree polynomial with real coefficients that has roots -1 and 4i. Write your answer in form ax^3 + bx^2 + cx+ d .
*Friday, May 24, 2013 at 5:49am*

**Math**

Create a 3rd degree polynomial with real coefficients that has roots -1 and 4i. Write your answer in form ax^3 + bx^2 + cx+ .
*Friday, May 24, 2013 at 5:49am*

**MATH HELP!!**

How many ways can 12 horses in a race come in 1st, 2nd, and 3rd place
*Friday, May 17, 2013 at 8:54pm*

**physic**

A car traveling at 80km/hr decelerates at 1.5m/s^2. Calculate a) the time it takes to stop. b) The distance travelled in the 3rd second.
*Thursday, May 16, 2013 at 8:13pm*

**Probability Math**

A committee of four students will be selected from a list that contains six Grade 9 students and eight Grade 10 students. What is the expected number of Grade 10 students on the committee?
*Tuesday, May 7, 2013 at 9:29pm*

**Physics**

Calculate d energy of d 3rd level of an atom if d ground state energy is -24.8ev
*Sunday, April 28, 2013 at 2:32pm*

**School (Plz read, really important)**

Am I eligible to get a President's Award for Educational Excellence or the President's Award for Educational Achievement and Daughters of the American Revolution??? Here are my grades from last year and this year so far and everything else I accomplish: 7th Grade - 93....
*Sunday, April 28, 2013 at 12:40pm*

**?**

Let me see if I understand how to find your grade now. So this time if there are 60 questions and you miss 15 your grade would be a 72?
*Tuesday, April 23, 2013 at 8:21pm*

**?**

If there's 60 questions on a homework paper and you miss 10 what would your grade be? I forgot how to find out your grade.
*Tuesday, April 23, 2013 at 7:17pm*

**statistics**

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, as in 4B). What is the chance that she gets an A grade ...
*Sunday, April 21, 2013 at 2:35pm*

**Statistic**

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, as in 4B). What is the chance that she gets an A grade ...
*Saturday, April 20, 2013 at 10:27am*

**science**

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, as in 4B). What is the chance that she gets an A grade ...
*Saturday, April 20, 2013 at 10:22am*

**Data Management**

How many ways can the manager of a baseball team put together a batting order of his nine players, if the shortstop must bat 3rd?
*Tuesday, April 16, 2013 at 9:16pm*

**Geometry **

The grade of a road or a railway road bed is the ratio rise/run, usually expressed as a percent. For example, a railway with a grade of 5% rises 5 ft for every 100 ft of horizontal distance. 1. The Johnstown, Pennsylvania, inclined railway was built as a "lifesaver" ...
*Monday, April 15, 2013 at 5:23pm*

**Math**

Factor the trinomial completely. y to the 3rd power minus 14y to the 2nd power plus 48y
*Thursday, April 4, 2013 at 3:30pm*

**5th grade math**

how do i convert milligrams to grams- i am in fifth grade-easiest way please.
*Thursday, March 28, 2013 at 9:25am*

**English**

Why should grade 8 students have to do volunteer hours to graduate grade 8? Please provide me with atleast 6 points and so I can expand on it. Your help is very much appreciated!:)
*Saturday, March 23, 2013 at 5:38pm*

**3rd math**

a clock starts at 5:05. what time is it after the minute hand rotates 12 degrees
*Wednesday, March 13, 2013 at 5:01pm*

**CHRIST MATH**

Divide 20 into 4 parts which are in AP such that ratio between the product of the 1st part and the 4th part to the 2nd and 3rd part is 2:3 find the AP
*Tuesday, March 12, 2013 at 7:01am*

**ALL subjects..**

Hi!! Well,I'm in tenth grade And I was wondering if there are any practice test websites for the 10th grade Test.. I believe Pct? Please!! Help..
*Friday, March 8, 2013 at 8:22am*

**help**

can someone help me with the pythagorean theorem? VERY HARD IM IN 7TH GRADE AND THIS IS SOME 7TH GRADE MATH HOMEWORK THAT I NEED HELP WITH!!!!!!!!!!!
*Thursday, March 7, 2013 at 5:26pm*

**maths**

The mean grade of 10 students was 72.if 2 of the students with grades of 53,75 are cancelled. What should be the mean grade of the remaining?
*Wednesday, March 6, 2013 at 8:57pm*

**3rd math**

Rick multiplied 53 x 7 and got a product of 351.Is Rick correct?explain why or why not.
*Wednesday, March 6, 2013 at 7:25pm*

**3rd math**

What is the greatest product you can make by multiplying a 3 digit number by a 1-digit number?what were your factors?
*Wednesday, March 6, 2013 at 7:14pm*

**maths**

If told that the 3rd term of a GP is 36 and the 8th term is 8748. find the first term and the common ration.
*Wednesday, March 6, 2013 at 1:25pm*

**Math**

Write the following number in standard form (4X10 4th power)+(3X10 3rd power)+(2X10 2nd power)+(5X1)=
*Tuesday, March 5, 2013 at 9:41pm*

**Similarity **

What is one similarity between 4th grade and 5th grade?
*Wednesday, February 27, 2013 at 8:53pm*

**writing**

For my writing, it has to be a three paragraph essay.I have to include 2 differences and 1 similarity about 4th grade vs. the 5th grade. How do I start my paragraph?
*Wednesday, February 27, 2013 at 8:11pm*

**Mathematics**

The 3rd and 8th term of an arithmetic progression A.P are -9 and 26.what their common difference nd first term?
*Thursday, February 7, 2013 at 11:51pm*

**math**

How do you explain to a 3rd grader that 1/2 + 1/8 > 1 whole
*Thursday, February 7, 2013 at 8:02pm*

**Trigonometry**

Mountain Descent A road sign at the top of a mountain indicates that for the next 4 miles the grade is 12%. Find the angle of the grade and the change in elevation for a car descending the mountain.
*Monday, February 4, 2013 at 1:45am*

**MATH**

In Marissa's Calculus course, attendance counts for 5% of the grade, quizzes count for 15% of the grade, exams count for 60% of the grade, and the final exam counts for 20% of the grade. Marissa had 100% average for attendance, 93% for quizzes, 82% for exams, and 81% on ...
*Sunday, January 27, 2013 at 8:27pm*

**math**

I need to solve this problem. A teacher can grade 25 papers in 4 hours. How many papers can he grade in 6 hours?
*Tuesday, January 22, 2013 at 5:58pm*

**maths**

Third term is 7&7th term is 2 more than 3 times its 3rd trem
*Tuesday, January 22, 2013 at 10:13am*

**food**

how much is 2/3rd of a cup of sugar when it is .36 a cup?
*Wednesday, January 16, 2013 at 5:15pm*

**math - please help**

Which expression is equal to 1/8000 written in scientific notation? A.8.0 x 10to the 3rd B.1.25 x 10–4 C.125 x 10–5 D.1.25 x 10 the the 4th I think it is A..?
*Thursday, January 10, 2013 at 12:39pm*

**Statistic- Average**

A mean average of 60 on 6 exams is needed to pass a course. on his first 5 exams, Adam received grades of 46,73,73,63 and 70. If the lowest grade of the exams already taken is to be dropped, what grade must he receive on his last exam to get a C in the Course?
*Monday, January 7, 2013 at 6:23pm*

**math**

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 at 2:02pm*

**math**

if 40 percent of my grade is at a 97 percent average and 40 percent of my grade is at a 92 percent average and my final test is worth 20 percent of the grade then what do i have to score on my final test to have a grade of 91.5 percent or better?
*Tuesday, December 18, 2012 at 10:21pm*

**Grading**

How do you find out what your grade is on a paper? For example if there is 70 questions and you miss 10 how do you find out what your grade is? Do you subtract 70 and 10 and when you get your answer you divide it by 100?
*Tuesday, December 18, 2012 at 7:28pm*

**math**

You offer to do the dishes for your family for the next month.This month has only 31 days. You suggest that they can pay you in one of three ways: A. $0.50 each day.(I already did this;=$15.50 a month. B.$0.10 the first day,$0.20 the second day,$0.30 the third day,and so on. C...
*Monday, December 17, 2012 at 6:32pm*

**Math ave grade**

a student scores 76,82,83 on the first three test, she has a 92 homework averge. if the final exam is 50% of grade and homework is 10% and the test average (nit including the final) is 40% then what grade should she get on the final exam to get a 87.5 in the class?
*Sunday, December 16, 2012 at 11:59pm*

**math**

-25 plus 4 to the 2nd power times 3 minus 5 to the 3rd power
*Wednesday, December 12, 2012 at 6:48pm*

**Help math**

So is this right for prime factorization be 2 to the 2nd exponent x 3 x 5 to the 4th exponent x 2 the 3rd exponenetx 11 to the 2nd ?
*Wednesday, December 5, 2012 at 10:01pm*

**exponenents**

So is this the correct prime factorization be 2 to the 2nd exponent x 3 x 5 to the 4th exponent x 2 the 3rd exponenetx 11 to the 2nd ? which equals ?
*Wednesday, December 5, 2012 at 9:47pm*

**spanish**

Nosotros vivimos en (3rd) (1.0 points)Question 6 options: 1) el tercer piso 2) el trece piso 3) el tercero piso
*Wednesday, December 5, 2012 at 10:22am*

**Computer Science (Programming Logic And Design)**

Create a program that outputs a letter grade for a student based on the following table: From To Grade 90 100 A 80 89 B 70 79 C 0 69 F I dont understand how to do this. Would you mind helping me get the answer to this Program?
*Sunday, December 2, 2012 at 2:18pm*

**Computer Science (Programming Logic And Design)**

Create a program that outputs a letter grade for a student based on the following table: From To Grade 90 100 A 80 89 B 70 79 C 0 69 F I dont understand how to do this. Would you mind helping me get the answer to this Program?
*Sunday, December 2, 2012 at 2:18pm*

**Programming (CSI 150 Programming Logic and Design)**

Create a program that outputs a letter grade for a student based on the following table: From To Grade 90 100 A 80 89 B 70 79 C 0 69 F I dont understand how to do this. Would you mind helping me get the answer to this Program?
*Sunday, December 2, 2012 at 2:14pm*

**Programming (CSI Programming Logic and Design)**

Create a program that outputs a letter grade for a student based on the following table: From To Grade 90 100 A 80 89 B 70 79 C 0 69 F I dont understand how to do this. Would you mind helping me get the answer to this Program?
*Sunday, December 2, 2012 at 2:10pm*

**math help**

need to completely simplify (10-7)to the 3rd power + 15/3 is it 32? thanks
*Monday, November 26, 2012 at 11:29am*

**english journal topics**

oh dont forget but it has to be like you know for 3rd graders
*Thursday, November 22, 2012 at 11:36am*

**3rd math**

Tessie multiplied 3x4, and then doubled it to find 6x8 .did she get the correct answer ? Explained
*Tuesday, November 13, 2012 at 10:33pm*

**3rd math**

What two multiplication facts can be added to find 3x7
*Tuesday, November 13, 2012 at 6:49am*

**math**

Hannah's grade on her last math test was 4 points more than Mark's grade. Write an expression for Hannah's grade, using m as a variable. Evaluate the expression if m=92.
*Sunday, November 11, 2012 at 9:48pm*

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