Friday
December 2, 2016

How do we know which plate has an excess of electrons?
Tuesday, April 12, 2016 by angy

Math
There are 55 student in eight grade middle school that play different sports. 27 of them play soccer, 15 of them play basketball. 11 of them play soccer or basketball. What is the probability given that the they are in eight grade and play sports that they play both soccer and...
Thursday, March 31, 2016 by Korbin

Math
Do you have any 3rd grade math practice worksheets that I can use with my students? One of my students has a predicament of not doing his homework. Please implement your time and implementing a few practice worksheets for my students. Sincerely, Mrs. Raja 3rd grade teacher
Tuesday, March 29, 2016 by Mrs. Raja

Applied Physics
An object moving with a constant accleration travels distance of 20m and 24m respectively in 3rd and 4th second of its motion. Find the initial velocity and the accleration of an object
Saturday, March 26, 2016 by Anonymous

Applied Physicd
An object moving with a constant accleration travels distance of 20m and 24m respectively in 3rd and 4th second of its motion. Find the initial velocity and the accleration of an object
Saturday, March 26, 2016 by Anonymous

math help pls pls pls
Choose the correct simplification of the expression the quantity a to the 2nd power over b to the 3rd power all raised to the 4th power. A. a to the 6th power over b to the 7th power B. b^12 C. a^8b^15 D. the quantity a to the 8th power over b to the 12th power pls help me
Monday, March 21, 2016 by Oscar

Programming C++ using Data Structure.
In an academic institution, Student has its records. Each student has his/her profile such as id number, student name. The institution also keeps records of student grades in each subject. Student grades contains information subject description, school year, semester, and ...
Thursday, March 17, 2016 by Vonn

math
a student’s grade in a class is simply the mean of five 100-point exams a. If the student has grades of 77, 73, 97, and 89 on the first four exams, what is the students’ grade before taking the last exam? b. What is the lowest score that the student can earn on the ...
Monday, March 14, 2016 by Debbie

math
In order to gain popularity amongst high school students the local coffee shop is delivering coffee to sell at lunch. Below is a function that represents the prices of coffee where t is the days since January 10th. Piecewise function c(t) = 2; 1<= t<=3 2 +t; 3<= t<...
Thursday, March 10, 2016 by dai

Calculate and compensate 823-273
Sunday, March 6, 2016 by Kgahli

Math
In order to gain popularity amongst high school students, Starbucks is creating a special winter promotion on Starbucks. The function below represents the cost of a Starbucks as a function of time (measured in days after December 4th). Piece wise function c(t)= 5; 0<= t <...
Wednesday, March 2, 2016 by dai

Geometry
In the diagram to the left, ÚABC\angle ABCÚABCangle, A, B, C and ÚDCB\angle DCBÚDCBangle, D, C, B are right angles. Which of the following is closest to the length of DE‾\overline{DE} ​DE ​ ​​...
Tuesday, March 1, 2016 by Tyteana

Correct punctuation of , That is in my opinion depressing.
Friday, February 26, 2016 by Debbie

Statistics
The mean grade in this class last semester was 78.3, and the variance was 49 . The distribution of grades was unimodal and symmetrical. Using this information determine the probability that “Joe”, a random student you know nothing about, other than the fact that they...
Thursday, February 25, 2016 by Francisco

Algebra
A math class has 7 girls and 5 boys in the seventh grade and 4 girls and 4 boys in the eighth grade. The teacher randomly selects a seventh grader and an eighth grader from the class for a competition. What is the probability that the students she selects are both boys? Write ...
Monday, February 22, 2016 by Anesha

Math
A science class has 3 girls and 3 boys in the seventh grade and 4 girls and 1 boy in the eighth grade. The teacher randomly selects a seventh grader and an eighth grader from the class for a competition. What is the probability that the students she selects are both boys?
Sunday, February 14, 2016 by Brooke

MS.SUE!
this weekend can you help me with the second part of my grade recovery
Thursday, February 11, 2016 by ashleydawolfy

Math
(〖3x〗^4/〖6x〗​^3 )2 I'm having some trouble solving this. In the numerator is 3x to the 4th. In the denominator is 6x to the 3rd. All of that is in a bracket and it's all squared. Do I have to first subtract the exponents, 4 - 3 and ...
Tuesday, February 9, 2016 by John

News for Ms. Sue
1. A student raises her grade average from a 75 to a 90. What was the percent of increase in the student’s grade average? Round your answer to the nearest tenth of a percent, if necessary. A: 20% B: 16.7% C: 8.3% D: 15% Hi Ms. Sue, it was 20%. Thank you for your help, ...
Tuesday, February 2, 2016 by Lizzie

English
I need a thematic statement from the 3rd and 4th acts of The Crucible. I am having a hard time coming up with one though. A thematic statement is structured like this; Topic + what it says about the human condition, motivation, and/or human behavior. The theme statement cannot...
Thursday, January 28, 2016 by MarthaDog

math
if the lecture grade is the mastering points worth 20% and exams worth 80%. what is the lecture grade? mastering points: 1513 exam grades: 92,83,76,95,95 thank you!
Sunday, January 24, 2016 by lauren

Is 1 pirme or composte
Monday, January 18, 2016 by E

Math
The two-way table shows the number of fourth and fifth graders who do or do not have a savings account. What percent of fourth graders have a savings account? % Savings account No savings account 4th graders 7 3 5th graders 12 5 I believe the answer is 26% you add them all up...
Thursday, January 14, 2016 by Marc-Anthony

Modernist Poetry
I want to write a modernist poem about struggles, future, stress. How everything I do in grade 12 will affect my future. The amount of pressure that is put onto me by my parents to get into university. I need a lot of help. I've always struggled with poems. I really need ...
Tuesday, January 12, 2016 by Poemhelp-Please

Can you help me solve: 5sin2x + 3sinx - 1 = 0 Thanks
Sunday, January 10, 2016 by Carol

Math
Repeat the following procedure for the four given numbers. Add 7 . Double the result. Subtract 4 . Divide by 2. Subtract the original selected number. The 1st number is 1 . The result is 5 . The 2nd number is 4 . The result is 5 . The 3rd number is 7 . The result is 5 . The ...
Sunday, January 10, 2016 by Jeffrey

algebra
A student's grade in a course is the average of 4 test grades and a final exam that is worth three times as much as each test. Suppose a student has test grades of 90, 88, 81, and 94. Write an equation to model this situation where x is the student's grade on the final...
Friday, January 8, 2016 by kayla

Melissa needs to subtract 10 5/8 from 12 6/8, what is her answer?
Tuesday, January 5, 2016 by Anonymous

The fifth-grade class at John Adams Middle School earned $428.81 at their school carnival. The money is being divided between 23 students to help pay for their class trip. How much money will each student receive? Round to the nearest hundredth. is it$18.60 ?
Wednesday, December 16, 2015 by patricia

Kwara State Polytechnic, Ilorin
The 10th, 4th and 1st terms of an AP are the three consecutive terms of a GP. find the common ratio of the GP and the sum of the 1st six terms, taking the 1st term of the AP to be 4?
Tuesday, December 15, 2015 by Oyekanmi Alimi Bukola

Math
I'm in sixth grade and I need help on 3(12w+8)+17+9w
Tuesday, December 8, 2015 by bob

Math
Fifteen Grade 2 children rode bicycle to school. Seventeen Grade 3 children rode bicycle to school. How many children in Grades 2and3 rode bicycles to school?
Thursday, December 3, 2015 by Alex

Ravi resigned----------illness
Monday, November 16, 2015 by Anonymous

Math
Am stuck A fifth grade class of 32 students is going on a field trip. They want to rent vans to drive to the field trip. Each van seats a maximum of 7 students. What is the least number of vans the fifth grade class must rent so that each student has a seat? If I times it that...
Thursday, November 5, 2015 by iyana

The sum is 1.7 and the product is 6.3. What are the numbers?
Tuesday, November 3, 2015 by Kevin

32/4=b+4/3
Monday, November 2, 2015 by Cole

ahisco
In an A.P the difference between the 8th term and 4th term is 20 and the 8th term is 1half timesthe fourth term. what is the common difference and the first term of the sequence
Thursday, October 22, 2015 by khlink

M@them@tcs
on @ Gp.the 4th term exceed 3rd term by 72 nd 3rd term exceeds 2nd term by 24.fnd the frst four term of the progressn.
Saturday, October 17, 2015 by Muhmmed sheu

Grammar
2.Brianna eats chocoloate whenever she gets poor grade in math. whenever she gets a poor grade in math is underlined. I believe this is a dependent clause. 3. After the house flooded, the family moved into a temporary shelter. After the house is flooded is underlined. I ...
Thursday, October 15, 2015 by Patrick

Where is the hundred thousandths place in 46.15398?
Thursday, October 15, 2015 by Grace (The Puzzled Penguin)

math
identify all of the basic trig functions that fit each description. 1) is negative for angles in the 2nd and 4th quadrant 2) is unbounded answer: tan, cot 3) has a range of -1 ≤ y ≤ 1 answer: sin, cos are my answers correct? and i'm not sure what the answer to ...
Friday, October 9, 2015 by stewie

Computer/Math
In an examination five pass grade and one fail is awarded a. For mark between 70 and 100 b. For mark between 60 and 69 c. For mark between 50 and 59 d. For mark between 45 and 49 e. For mark between 40 and 44. Write a program to input an mark for a student and print the grade...
Tuesday, September 22, 2015 by Tosin

Math
A number, containing no zeros, changed to 310,000 after it was rounded. To what place was the number rounded? Explain how you know. This is the question my 4th grader has on a homework assignment. I'm lost on the question and she states she doesn't know either and the ...
Tuesday, September 15, 2015 by Von

algebra
Of Maria's total salary, 1/4th goes to taxes and 2/3rds of what remains goes to food, rent, and bills. If she is left with \$500 each month, what is her total monthly salary?
Wednesday, September 9, 2015 by Sally

Algebra
Students get two grades for a test in an introductory psychology course: a letter grade, and a numerical equivalent (weighted value). So an A is worth 4 points, a B is worth 3 points, a C is worth 2 points, a D is worth 1 point, and an F is worth 0 points. The results for the ...
Wednesday, September 9, 2015 by Camry

math
I'm going over my 4th grader's homework. She has place value math problems. I'm having a problem with this question. In the number 3,024,456, the value of 4 in the hundreds place is _____ times ____ than the value of the other 4. My answer 100 times less than the ...
Thursday, September 3, 2015 by Evonne

I am in 8th grade math as a sixth grader. I am stuck on one problem. It is this: You are making a necklace that is 9 inches long. You use 6 beads for each inch. what integer is the change in your supply of beads after making the necklace?
Monday, August 31, 2015 by Casey

physics
three 80 gram weights are suspended at 32 cm 43 cm and 76 cm of a uniform meter stick. if the stick is made to rotate at its midpoint where must the 4th 80 gram weight be suspended to attain equilibrium? please and thank you
Monday, August 31, 2015 by Jared

Math: Mean, Median, Mode, Range & Finding the devi
What is deviation? And what is the definition of frequency distribution & how would I solve a problem in 8th grade math with this problem...My child is asking about this problem she has in an 8th grade book. Given the following numbers 2,2,3,6,1,9,4,2,5,7,6,8,6, What is the ...
Friday, August 21, 2015 by Aayla

What's elasticity?
Monday, August 17, 2015 by Sm

need help
There are 205 students in the middle school. If 41 students are girls in 8th grade, what percent of the middle school do the girls in 8th grade represent?
Tuesday, August 11, 2015 by Anonymous

Sj
Mathematics......Under number patterns-Geometric series If a question goes.determine the expression for the nth term of the following sequence if the a) 4th term is 24 and the 7th term is 192 in a geometric sequence.what formula do i use here?because i don't have the whole...
Thursday, July 16, 2015 by Mahlogonolo

English
Posted by rfvv on Monday, July 13, 2015 at 9:33am. Lesson Plan .... Standards Addressed: General Goal9s): Specific Objectives: ...... ===================== In a leson plan, what is 'Standards Addressed'?•English - Writeacher, Monday, July 13, 2015 at 9:42am ...
Tuesday, July 14, 2015 by rfvv

SCTD
Physics a satellite orbiting 3.22 times 10 to the 5th power meters above the surface of the earth get the mass of the satellite is 3.80 times 10 to the 4th kilograms what is the weight or gravitational force exerted on the satellite by the earth?
Tuesday, July 7, 2015 by Jason

math
There is 70m of fencing wire which is used to create 3 sides, brick wall is used for the 4th side. Calculate the maximum area of the rectangle, and state it's dimensions. (I got the correct maximum area but can't figure out how to get the side lengths.) I started with ...
Tuesday, June 16, 2015 by Side length of a question help

precalculus
If you are driving down a 10% grade, you will alway be 10% below where you would have been if you could have driven on flat ground from where you started. Suppose you descend to where you are 20 feet below your starting point. What concept does he "grade" relate to ...
Saturday, June 6, 2015 by Lois

51 is 4 times of book is less 13
Wednesday, May 27, 2015 by Mythreyee

The sum of 6 and the product of 7 and a number is 75
Wednesday, May 27, 2015 by Mythreyee

Math
Identify the sampling,method. You want to determine the number of text messages students at your school send in a month. You go to the cafeteria and ask every 4th student that walks in. a- random b- systemic c- stratified d-m none of these My answer is none of the these ...
Monday, May 25, 2015 by Steve

what is a common factor
Thursday, May 21, 2015 by seahawks

math
lilly made a 75 on her history test and an3 on her math test. the mean grade on the history test was 72 with a standard deviation of 5. the average grade on the math test was 81 with a standard deviation of 4. which test did lilly do better?
Thursday, May 21, 2015 by debbie

math
I have a question on my math that my teacher cant help me with because this one is for try it. Can you help me see if it is right?: It says: 12 . Wich is equal to 30 hundreths? A)3 thousandths B)3tenths C)3 tens D)3thousands I think the answer is B but, it really confuses me ...
Thursday, May 7, 2015 by nicole

math
The 9th term of an arithmetic sequence is 12 and the 17th term is 28, find the 4th term of the arithmetic sequences
Friday, April 24, 2015 by Lillian

English
WORDS: Averse Detract Disdain Divulge Elation Endow Expulsion Mortified Nullified Ominous ------------- Some people are so (1)averse 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 ...
Friday, April 24, 2015 by Sora

4th Math
sam cut a pie into equal slices. there are only 3 slices left. the angle measure for the 3 slices is 72 degrees. How many slices did sam cut the pie into? 360
Monday, April 20, 2015 by Anonymous

math
Sarah was trying to figure out her grades for her math course. She only knew the grade of 4 tests she had taken, however the class had taken 5 tests total. She scored a 94, 67, 83 and 93. If Sarah ended up with a grade of 90, what did she get on the 5th and final test?
Saturday, April 18, 2015 by Jay

Algebra (check my work?)
1. Write a proportion using an unknown value x and the ratio 5:6 then solve it. 5/6 = x/12 6 * 2 = 12 5 * 2 = 10 x = 10 2. In an orchestra, the ratio of trombones to violas is 1 to 3. There are 9 violas, Write a proportion that gives the number t of trombones in the orchestra...
Friday, April 17, 2015 by Ivy

connexus
Thursday, April 16, 2015 by Oscar

algebra
what is the first step when solving x/15=3/5? write a proportion using an unknown value x and the ratio 5:6 then solve it. in an orchestra, the ratio of trombones to violas is 1 to 3. a. there are 9 violas. write a proportion that gives the number t of trombones in the ...
Wednesday, April 15, 2015 by phan

(y2-3y)
Monday, April 13, 2015 by Sw

Math
Jeremy uses the linear function G=12h+50 to represent the grade, G (in points out of 100), that he can earn on an exam as a function of h, the number of hours he spends studying for the exam. 1.) Identify the slope and y-intercept of Jeremy's function and explain what they...
Thursday, April 9, 2015 by Hailey

finance
You have a discount bond with a time to maturity of one year. The market price of this instrument is 97%. You want the model price to match it while you build you yield curve with ED futures; the contracts price as follows: 1st = 99, 2nd = 98, 4th =97. What is the price of the...
Saturday, April 4, 2015 by sasi

History
Even though I asked this before, can you please help me with this and yes it's a crossword puzzle. My teacher gave us clues that don't really help at all and I've looked back in my textbook but I can't find the words for each clue. 1.Equality of Sexes 7 letters...
Sunday, March 29, 2015 by Jamie

Math
Sarah was trying to figure out her grades for her math course. She only knew the grade of 4 of the tests she had taken, however the class had taken 5 tests total. She scored a 94, 67, 83, and 93. If Sarah ended up with a grade of 90, what did she get on the 5th and final test...
Thursday, March 26, 2015 by Bella

Maths lit
Wednesday, March 25, 2015 by Nokulunga

what is the standard form of 213
Wednesday, March 18, 2015 by Anonymous

MATH
How do I write one equations in slope-intercept form, and three other lines in slope-intercept form that are perpendicular to the first line ?? for ex. If I pick the equation y=2/3x+4 for the first equation. and for the second line , the slope -2/3x +4 , how about the 3rd and ...
Wednesday, March 18, 2015 by MAY

math - slope-intercept
How do I write one equations in slope-intercept form, and three other lines in slope-intercept form that are perpendicular to the first line ?? for ex. If I pick the equation y=2/3x+4 for the first equation. and for the second line , the slope -2/3x +4 , how about the 3rd and ...
Tuesday, March 17, 2015 by may

Math
Find the 10th term of a nonconstant arithmetic sequence whose 1st term is 3 with the 1st, 4th, and 13th term forming a geometric sequence. I've tried doing it differently everytime, but I always come to a dead end..
Saturday, March 14, 2015 by Anon

Explain what a neutral field is.
Wednesday, March 4, 2015 by Zero

Probability
Consider 10 independent tosses of a biased coin with the probability of Heads at each toss equal to p, where 0<p<1. Given that there were 4 Heads in the first 7 tosses, find the probability that the 2nd Heads occurred at the 4th toss. Give a numerical answer.
Tuesday, March 3, 2015 by Jonathan

In the choir, 1/2 of the members are boys and 1/2 are girls. If 1/4 of the boys are5th graders what fraction of the whole choir is 5th grade boys?
Thursday, February 26, 2015 by ary

what is a coefficient?
Wednesday, February 25, 2015 by emporerpenguin

"Why do most people live in the Western part of Columbia?" A - to enjoy the cooler climate of the mountains, B - to be closer with the boarder of Venezeula, C - to live along the Pacific coast, D - to benefit from the country's lush rainforests. I was trying to ...
Friday, February 20, 2015 by Mikayla.

math
the 1st branch produced 1 orange. the 2nd branch produced 2 oranges, the 3rd branch produced 4 oranges, the 4th branch produced 8 oranges and the 5th branch produced 16 oranges. how many oranges will the 10th branch produce?
Tuesday, February 10, 2015 by beki dlamini

math
A student’s final grade in chemistry is determined by the following weights: Quizzes 5% Exam 1 20% Exam 2 20% Lab Reports 15% Research Paper 15% Final Exam 25% The student received the following grades: Lab reports: 75 80 70 75 85 69 90 75 Quizzes: 85 60 70 0 75 80 80 80 ...
Friday, February 6, 2015 by Jayden

math
Mr. Smith’s first period class had an average of 90% on the first test, and his 4th period class had an average of 82%. If there were 30 people in his first class, and 22 in his second, what is the average score of someone in his class?
Wednesday, January 28, 2015 by katie

statistics
suppose a sample of 2404 tenth graders is drawn.Of the sampled, 601 read at or below the eighth grade level. using the data, construct the 98% confidence interval for the population proportion of tenth graders reading at or below the eighth grade level.
Friday, January 23, 2015 by kyle

math
suppose a sample of 2404 tenth graders is drawn.Of the sampled, 601 read at or below the eighth grade level. using the data, construct the 98% confidence interval for the population proportion of tenth graders reading at or below the eighth grade level.
Friday, January 23, 2015 by kyle

Math
Sarah was trying to figure out her grades for her math course. she only knew the grade of 4 of the tests she had taken, However the class had taken 5 tests total. She scored a 94, 67, 83, and 93. If Sarah ended up with a grade of 90, what did she get on the 5th and final test...
Wednesday, January 21, 2015 by JWL

13 more than product of m and 5
Wednesday, January 21, 2015 by patty

1/15 =3/5m For my answer, I put m= 1/5 Is that correct?
Wednesday, January 14, 2015 by Tam

4th grd math
Belle gets 3 buckets of fish evreyday. there are 8 fish in each bucket.if Belle eats two and a half buckets of fish,how many fish will she have left
Tuesday, January 6, 2015 by claudia

If there are 70 questions and you get an 80 how many did you miss
Thursday, December 18, 2014 by M

math
If Susan takes two tests and makes a makes a 54/100 on the first test and a 63/100 on the second test, and is given a third test and makes an 80/100(which can only count as 20% of her total grade for all three test, what is her final grade/score.
Thursday, December 18, 2014 by destiny scott

Can you check these problems? 1. 4x^2 + 3x - 4x +5 = 4x^2 - x + 5 2. m - n + m - n - n = 2m - 3n 3. (7x + 5 - 3y) - (-3x - 5 +4y) = 7x + 3x -3y + 4y + 0 = 10x - y = 0 4. m/8 - 9 = 5 m/8 = 5 + 9 m = 14/8 m = 7/4 = 1 3/4
Wednesday, December 17, 2014 by Alexis

division
9/72=8 56/7=8 49/6=8 36/9=4 64/8=8 6/24=4 5/25=5 3/15=5 Easy I'm in fifth grade and I know this 😜
Monday, December 15, 2014 by Jamie Fuler