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March 1, 2015

March 1, 2015

Post a New Question | Current Questions

**3rd Grade Math**

I thought the simple answer would be 150-70=80 too but, the problem states that she has 70 more nickles than dimes. So, I was thinking that the answer would be 40 dimes and 110 nickles-which adds up to 150 and 110 is 70 more than 40 but, I don't know how to explain this to...
*Wednesday, October 8, 2008 at 8:54pm*

**english**

I need you to grade my paper for me . I dont have a car and I don't know the area well enough to ask anyone to grade it for me I just want you to grade it for me. and leave the red marks on it for me so I can correct it my self and send it back to me through email. If it&#...
*Friday, October 3, 2008 at 4:54am*

**3rd grade**

ALI MADE A MODEL FOR 624 USING 6 HUNDREDS, 2 TENS, AND 4 ONES. WHAT IF ALI HAD NOT HAD ANY TENS? HOW COULD SHE HAVE MODELED 624 WITHOUT USING TENS?
*Monday, September 22, 2008 at 10:34pm*

**3rd grade math**

write an expression. then write a number sentence and solve. Garnet bought 16 red buttons,8 blue buttons, and 25 green buttons. How many blue and red buttons did she buy? I know the number sentence is 16 +8=24. What ia an expression?
*Tuesday, September 16, 2008 at 4:08pm*

**algebra**

7s over 5t to the negative 3rd power 2 to the negative 3rd power times X to the 2nd power times Z to the negative 7th power 7s to the zero power times T to the negative 5th power over 2 to the negative 1st power times M to the 2nd power If you would please simplify these ...
*Monday, April 21, 2008 at 10:28pm*

**English Expression**

What grade/year are you in? I'm in the first grade in middle school. I'm a first grader in middle school. I'm in the 7th grade. I'm a 7th grader. ----------------------- Are the answers all acceptable? Which one is commonly used? Can we use both 'grade'...
*Friday, April 18, 2008 at 12:25pm*

**Math**

1) If the sum of the first n terms of a series is Sn where Sn=2n²-n, (a)prove that the series is an AP, stating the first term and the common difference; (b)find the sum of the terms from the 3rd to the 12th inclusive 2) In an AP the 6th term is half the 4th term and the ...
*Thursday, April 17, 2008 at 2:32pm*

**math**

1) If the sum of the first n terms of a series is Sn where Sn=2n²-n, (a)prove that the series is an AP, stating the first term and the common difference; (b)find the sum of the terms from the 3rd to the 12th inclusive 2) In an AP the 6th term is half the 4th term and the ...
*Thursday, April 17, 2008 at 12:34pm*

**math**

is 4x to the 3rd power a monomial?
*Thursday, March 6, 2008 at 1:08pm*

**working with data**

josephs final averages in science class are shown in the table below. homework % toward final grade-20% average-93 quizzes % toward final grade-20% average-92 tests % toward final grade-40% average-85 final exam % toward final grade-20% average-? what is the minimum score ...
*Sunday, February 24, 2008 at 4:45pm*

**Data managment math**

7: The basket ball team has total 14 players : 3-1st year player,5-2nd year player and 6-3rd year player (a) in how many ways can the coach choose a starting line up(5 players) with at least one 1 st player. (b) in how many ways can he set up a starting lineup with two 2nd ...
*Monday, January 28, 2008 at 12:13pm*

**english**

when writing the word GRADE ONE in a sentence...would it be Grade One (where there both capital) Grade one (where only grade is capital) or grade one (where none are capital)
*Sunday, January 13, 2008 at 5:19pm*

**Math**

Multiply (-3)3rd power -(-8)(-2)=
*Wednesday, December 19, 2007 at 8:46pm*

**physics-energy conservation**

some people refer to heat as "low grade energy. a)how is low grade energy different from high grade energy? b)give two example of high grade energy When heating a cup of tea, which would be preferable...a stove with a burner on top, or a heating pad? High grade energy is ...
*Tuesday, May 8, 2007 at 4:41am*

**math**

yes i need some tips on learning my times tables, mutiplcation please help,i'm in the 3rd grade thanks SAVANNAH Savannah. It is not very safe practice to post your full real name on the internet. Discuss this with your mom. Thanks. I recommmend you make and use flash cards...
*Friday, April 27, 2007 at 6:56am*

**math / linear programming**

Two factories manufacture 3 different grades of paper. The company that owns the factories has contracts to supply at least 16 tons of low grade, 5 tons of medium grade, and at least 20 tons of high grade paper. It costs $1000 per day to operate the first factory and $2000 per...
*Tuesday, January 2, 2007 at 6:44pm*

**Science**

The stellar magnitude scale is defined such that if two stars differ in brightness by a factor of 100, they differ in magnitude by what magnitudes? I TRIED TO FIGUR OUT WHAT YOU WERE SAYING BUT I CANT FIGUIR IT OUT SORRY Savannah 3rd grade Mrs.Love A factor of 10 is one order ...
*Monday, October 9, 2006 at 6:20pm*

**math**

it takes about 20 minutes to grade a student's paper. How long, in hours, does it take to grade papers for a class of 25 people?
*Friday, February 27, 2015 at 12:04am*

**statistics**

In a course there is a midterm exam, worth 40% of the course grade, and a final exam worth 60%. On the midterm the mean grade was 80 with a standard deviation of 10, and on the final the mean was 75 with a standard deviation of 15. The correlation between the two exams is 0.6...
*Wednesday, February 25, 2015 at 11:20pm*

**Math**

Find the sum of the interior angles of a nonagon. (1 point) 140° 1,620° 1,260°------ 1,450° My teacher showed this question and she explained the answer was the 3rd one but i just dont get it
*Wednesday, February 25, 2015 at 3:16pm*

**mathematics concepts**

Select the answer choice that best describes children's readiness to understand how to tell time. A. Introduce the units of measurement in grade one; expect accurate measurement in second grade. B. It may be introduced in grade 2, but it will be beyond primary before ...
*Tuesday, February 24, 2015 at 6:31pm*

**3rd grage math**

marcel wants to make a mobile using only 3-dimensional solids with curved surfaces. based on this attribute, what figures will marcel use on his mobile
*Wednesday, February 18, 2015 at 5:50pm*

**mathematics**

if the sum of the 6th and 7th terms of an arithmetic progression is 60 and the 3rd term is -5 find the common difference
*Sunday, January 11, 2015 at 2:20pm*

**Derivative**

if g(x)= 5x^6-3/x^2, find the 3rd and 5th derivative of the function. Pls help!
*Sunday, January 4, 2015 at 12:58am*

**english (3rd grade)**

Kindly correct my answers. Direction: Arrange the sentences to form unified, coherent, logical and orderly paragraph. 1. a.For example ostriches and penguins cannot fly. b.The fastest birds can fly 100 km per hour. c.When people think of birds, they think first of their flying...
*Sunday, December 28, 2014 at 6:58am*

**physics**

There are 45,000 calories in one ounce of pasta, how many ounces do i have to eat to get from ground floor to the 3rd floor (18.2 m)? my weight is 58kg
*Sunday, December 14, 2014 at 10:11pm*

**Math**

You have an ear infection and are told to take a 200 mg tablet of ampicillin (a common antibiotic) four times a day (every six hours). It is known that at the end of six hours, about 5% of the drug is still in the body. What quantity of the drug is in the body right after the ...
*Friday, December 12, 2014 at 9:42pm*

**Math**

You have an ear infection and are told to take a 200 mg tablet of ampicillin (a common antibiotic) four times a day (every six hours). It is known that at the end of six hours, about 5% of the drug is still in the body. What quantity of the drug is in the body right after the ...
*Friday, December 12, 2014 at 7:11pm*

**Chemsitry**

What courses should you take in each grade 9,10,11,12 to help you become a pharmacologist. i need courses for each grade
*Thursday, December 11, 2014 at 12:52pm*

**Math**

An oil company owns two refineries. The daily production limits and operating costs for each refinery are given in the table below. An order is received for 1540 barrels of high-grade oil, 1650 barrels of medium-grade oil, and 2860 barrels of low-grade oil. How many days ...
*Wednesday, December 10, 2014 at 11:09pm*

**7th grade math**

Can you check these? 1. Olivia typed 2 pages in 15 minutes. Write an equation relating the number of minutes m to the number of pages typed. How long will it take her to type 10 pages at this rate? Ans: 15/2 = 7.5 = 7.5 * 10 = 75 minutes 2. If the ratio of Type O to non-Type O...
*Saturday, December 6, 2014 at 3:42pm*

**Math**

Horse race has 14 entrees with no ties what's probability of 4 horses owned by one owner to come in 1st, 2nd, 3rd, 4th.
*Monday, November 10, 2014 at 6:15pm*

**mathematics**

find the number in an A.P such that the sum of 1st and 3rd term is 12 and the product of 1st and 2nd is 24
*Saturday, November 8, 2014 at 2:51pm*

**java programming**

Create a java program that will calculate the current grade in a classroom. The program should ask for 5 grades as well as total point value per grade available.
*Monday, November 3, 2014 at 2:12pm*

**Grades**

If I have an 80 in my class, and I get a 70 on my test which is 33.33% of my grade, what will my overall grade become
*Monday, October 27, 2014 at 6:47pm*

**maths**

The sum of the 3rd and 7th term of an A.P is 38 and the 9th term is 37..Find the first term and common difference
*Tuesday, October 21, 2014 at 3:04pm*

**Sewing and Technology**

Basting stitches would be best used for which of the following purposes? delicate beadwork temporarily holding fabric adding an appliqué creating a hem I think its the 3rd one?
*Monday, October 6, 2014 at 1:16pm*

**Math**

A sixth grader weighs 90 pounds which is 120% of what he weighed in 4 th grade. How much did he weigh in 4th grade? 90x100=9000/120= 75 So he weighed 75lbs is this correct?
*Sunday, October 5, 2014 at 7:17pm*

**english**

which of these is an example of direct characterization The students gasped at the teachers tremendous height Mr Lightner is cruel and is no friend to animals Sasha hid the toys Melissa plays tennis I chose the 3rd one
*Sunday, October 5, 2014 at 1:10pm*

**statistics**

how to identify the 5 W's in the problem of the student averages in a High School college algebra class for the last semester. the teacher wanted to see how well the class did and constructed the Distribution from the grade book. who- Students what- average when last ...
*Saturday, October 4, 2014 at 8:58am*

**algebra 1**

princess leia is a very good math student. Her average math grade was a 95 on her 15 tests. If Darth Mangham decides to drop her lowest grade, write an expression to determine her new test average.
*Friday, October 3, 2014 at 8:03am*

**3rd garde math**

what is 12 x 12? im having a hard time can anyone help me??????????
*Wednesday, October 1, 2014 at 3:06am*

**CHEM**

H2C=C-C-C-CH3 THERE IS AN H ATTACHED TO THE CARBON AFTER THE FIRST BONG THEN A H2 ON THE 2ND AND 3RD CARBON
*Saturday, September 27, 2014 at 4:04pm*

**math**

need help with this problem of reasoning quantitively. simplify (-2)to the 3rd power -2 to the 5th power
*Thursday, September 18, 2014 at 8:05pm*

**programming**

create a program using java that calculates the current grade in a classroom. the program should ask for 5 grades as well as the total point value per grade available.
*Friday, September 12, 2014 at 11:29am*

**JAVA PROGRAMMING **

Create a java program that will calculate the current grade in a classroom. The program should ask for 5 grades as well as total point value per grade available.
*Friday, September 12, 2014 at 11:15am*

**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*

**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*

**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*

**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*

**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*

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