Sunday
August 28, 2016

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

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

maths
300 mens were engaged to complete a job in a certain number of days. but due to another assignment 15 men dropped the 2nd day, 15 more men dropped the 3rd day and so on.it takes 15 more days to finish the work now. find the number of days in which the work was completed.
Friday, March 11, 2016 by hawwa

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

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

maths
the sum of the first nine terms of an arithmetic sequence 216. The 1st, 3rd and 7th terms form the first three terms of a geometric sequence therefore find the common difference
Monday, February 1, 2016 by Anonymous

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
Mr. customs is correcting the class's math homework on customary units. which of the following measurements is reasonable? A pencil is 12 feet long. The back porch is 12 inches wide. The 3rd hole on the golf court is 123 miles long. The distance from new York to California...
Tuesday, January 26, 2016 by LOVE

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

math
1st wall 5'long 8' wide 2nd wall 9'long 8'wide 3rd wall 2' long 4' wide tile size is 2'long 4'wide how many tile do I need
Thursday, January 21, 2016 by Mike

algebra
Family on a road trip. travels x miles on day 1. On day 2 they go 52 miles more than three times the number of miles traveled on day 1. The 3rd day they go 83 miles fewer than day 1. write and simplify an expression for the total number of miles traveled. the answer is 5x-3 ...
Tuesday, January 19, 2016 by stephie

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

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

math
in an arithmetic sequence whose first term is 4, the 1st, 3rd and 7th terms form consecutive terms of geometric sequence, find the sum of the first three terms of the arithmetic sequence
Sunday, December 20, 2015 by selina

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

Physics
Three people are pulling on a tree. The first person pulls with 16N at 64.0 degrees. The second person pulls with 15 N at 136 degrees. The 3rd person pulls with 12 N at 195 degrees. What is the magnitude and direction of the resultant force on the three?
Wednesday, December 16, 2015 by Gtueyb

algebra
I am the middle of 3 numbers whose total is 31. The largest is 3 more than 5 times the smallest. What # am I? 1st number I put as x 2nd number I put as y as long as y> x 3rd number is 3+5x=z X+y+z=31 so when I plug it in I get X+y+3+5x=31. Y=28-6x Now is where I get lost. ...
Wednesday, December 9, 2015 by susan

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

Math
Can anyone help me with these problems? 1. A square has a side of 2 decimeters. A new square is formed by joining the midpoints of the sides. If this procedure is repeated 6 times, what is the perimeter and area of the seventh square ? 2. Find the sum of those numbers ...
Tuesday, December 8, 2015 by Anonymous

math
1. a square has a side of 2 decimeters. a new square is formed by joining the midpoints of the sides. If this procedure is reoeated 6 times, what is the perimetet and area of the seventh square 2. find the sum of those numbers between 15 and 810 which have 8 as their units ...
Tuesday, December 8, 2015 by Anonymous

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

probability
You have a bag with 3 red, 3 white, and 2 blue balls in it. You draw three balls without replacement. What is the probability that the 3rd ball chosen is blue?
Sunday, November 22, 2015 by Anonymous

General Chemistry
Calculate the standard heat of formation of acetaldehyde , 2C(s) + 2 H2(g) +1/2 O2 (g) ---> CH3CHO(g) given the following information? CH3CHO(g) + 5/2 O2 (g) --> 2H2O(l) + 2 CO2(g) DeltaH rxn =-1194 KJ H2(g)+ 1/2 O2 (g) --> H2O (l) DeltaH rxn =-286 KJ/mol C(s) + O2(g...
Friday, November 20, 2015 by ChemLove

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

chemistry
In many residential water systems, the aqueous Fe3+ concentration is high enough to stain sinks and turn drinking water light brown. The iron content is analyzed by first reducing the Fe3+ to Fe2+ and then titrating with MnO4- in acidic solution. Fe2+(aq) + MnO4-(aq) ? Mn2+(...
Saturday, November 14, 2015 by Dalton

pre algebra
in a math class with 31 students 27 earned a passing grade in a biology class with 21 students 17 earned a passing grade... what fraction of the math students earned a passing grade
Tuesday, November 10, 2015 by tiawannnia

Math
Libby sold \$60 worth of vegetables at the farmer's market. Jess sold 3/4ths of what Libby sold. Stephanie sold 1/3rd of what Jess sold. How much did they all sell together?
Tuesday, November 10, 2015 by Anonymous

3rd Math
Olivia used colored ribbon for each craft project.she used 1/6 of a yard of green,1/3 of a yard of red, and 1/4 of a yard of yellow. Which ribbing is the longest.
Friday, November 6, 2015 by Tre'Von

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

chemistry
150 mL of a solution contiains .00015 M NaI, .0055 M NaC, and .12 M Na3PO4. A solution of .10 M AgNo3 is slowly added. Who precipitates 1st, 2nd, and 3rd? When the last one to precipitate just begins to precipitate, what % of the other 2 anions are still remaining in solution?
Tuesday, October 27, 2015 by lisa

analytical chemistry
150 mL of a solution contiains .00015 M NaI, .0055 M NaC, and .12 M Na3PO4. A solution of .10 M AgNo3 is slowly added. Who precipitates 1st, 2nd, and 3rd? When the last one to precipitate just begins to precipitate, what % of the other 2 anions are still remaining in solution?
Tuesday, October 27, 2015 by TK

physics
4. A mover wants to push a box down a hall. The mover applies an ‘action’ force on the box (the push). According to Newton’s 3rd law, there is a ‘reaction’ force applied in the opposite direction. The larger the action force applied by the mover, the ...
Saturday, October 24, 2015 by XOXOX

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)

algebra
A 28​-inch board is to be cut into three pieces so that the second piece is twicetwice as long as the first piece and the third piece is 44 times as long as the first piece. If x represents the length of the first​ piece, find the lengths of all three pieces 1st ...
Sunday, October 4, 2015 by Anonymous

lgebra
The sum of three consecutive natural numbers is 963, find the numbers. (A) First, write out an equation that models the relationship between these three numbers: x + ____ +______ = 963 2nd number 3rd number (B) Now, simplify the left side of your equation: ____________ = 963 (...
Saturday, September 26, 2015 by NINA

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

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

What does 5*6 mean?
Tuesday, September 8, 2015 by Donna

Statistics (Percentile, Decile, Quartile)
Please refer to the following table: Number of Cellular Phones​  in Household: DECILE 1 - 1.00 2 - 1.00 3 - 1.00 4 - 1.00 5 - 2.00 6 - 2.00 7 - 3.00 8 - 3.00 9 - 4.00 (a) How many cellular phones&​nbsp;does a ...
Sunday, September 6, 2015 by Zam

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

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

38. From Laurencaville, take highway 9 for 20 miles (about 30 minutes) until you reach the third katetown?? Exit (exit 116). Turn north on Park Street and drive for 3.1 miles, past six stop lights. Take a left on 3rd Avenue and drive six blocks. The store will be on the right ...
Sunday, August 16, 2015 by BARNETTA

38. From Laurencaville, take highway 9 for 20 miles (about 30 minutes) until you reach the third katetown?? Exit (exit 116). Turn north on Park Street and drive for 3.1 miles, past six stop lights. Take a left on 3rd Avenue and drive six blocks. The store will be on the right ...
Saturday, August 15, 2015 by BARNETTA

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

physics
a gas is filled in a vessel at 27 degree Celsius. to what temp should it be heated so that it 1/3rd of of the gas escapes out of the vessel? my attempt to solve; i tried applying charles law. so, V1/V2= T1/T2. V2= V1+V1/3= 4V1/3 hence, applying charles law V1/V2= 3/4 T1/T2= ...
Sunday, July 19, 2015 by saumya

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

math (algebra)
In Professor Tuffguy's mathematics class, 36 students took the final exam. If the average passing grade was 78, the average failing grade was 60, and the class average was 71, how many of these 36 student passed the final?
Wednesday, July 8, 2015 by Samantha

English please i need it for tom
1. From Lawrenceville take Highway 9 for 20 minutes (about 30 minutes) until you reach the Third Karletown and exit off and turn North on Park Street and drive for 3.1 miles past six stop lights take a left on 3rd Avenue and drive for the tour will be on the right side of the ...
Tuesday, June 9, 2015 by wedi

English please i need it for tom
1. From Lawrenceville take Highway 9 for 20 minutes (about 30 minutes) until you reach the Third Karletown and exit off and turn North on Park Street and drive for 3.1 miles past six stop lights take a left on 3rd Avenue and drive for the tour will be on the right side of...
Tuesday, June 9, 2015 by wedi

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

Math: Arithmetic Sequence.
the 3rd of an Arithmetic sequence is 8 of the 16th term is 47. Find a subed 1 and the common difference. Construct the sequence.
Thursday, June 4, 2015 by Jan

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
A refrigerator is 2.8 feet wide, 2.5 feet deep,5.5 feet high. the walls and other parts of the refrigerator take up 19 feet to the 3rd power. How many cubic feet are left for food
Thursday, May 21, 2015 by gav

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 Help!!!
How many 3 letter sequences can be formed if the first letter must always be a consonant (not a, e, i, o, u), the second letter must always be a vowel (a,e,i,o,u) and 3rd letter must be different from the first. A. 2100 B. 4056 C. 3250 D. 2625 I chose A... i guessed
Monday, May 18, 2015 by tanisha

Organic Chemistry
any o-chemists out there? Some help would be greatly appreciated. So I have this compound, it has 5 C's total, a bromine at one end and 2 methyl groups coming off the 3rd C from the bromine and an OH group at the end. like this: Br-CH2-CH(CH3)2-CH2OH. Now I have to come up...
Sunday, May 10, 2015 by paul

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

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

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

Physics
A not so brilliant physics students wants to jump from their 3rd floor apartment window to the swimming pool below. The problem is the base of the apartment is 8.00 meters from the pool’s edge. If the window is 20.0 meters high, how fast does the student have to be ...
Sunday, April 12, 2015 by Carla Mae

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

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

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

mathematics
THE 1ST, 3RD AND 9TH TERM OF A LINEAR SEQUENCE A.P ARE THE 1ST THREE TIMES OF G.P. IF THE 7TH TERM OF THE LINEAR SEQUENCE IS 14. CALCULATE (A) 20TH TERM OF THE LINEAR SEQUENCE (B) SUM OF THE 1ST, 12TH TERM OF THE G.P
Thursday, March 5, 2015 by AYOMIDEY

math
first multiply first 2 digits, wrire answer side by then multiply1st and 3rd digits write answer next to earlier answer. Then add both answers and minus middle digit of the question
Thursday, March 5, 2015 by Anonymous

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

3rd garde math
seth bikes 3 miles in 10 minutes and 30 miles in 100 minutes. How many miles does seth bike in 1000 minutes
Wednesday, March 4, 2015 by Anonymous

L.A
Read the opening line of dialogue from Anne Frank and Me: "Right now we are in Westerbork, in Holland. Earlier today they opened the door and shoved more people into our car... I think it is the 3rd of September, 1944..." How does this line contribute to the meaning ...
Tuesday, March 3, 2015 by Anonymous

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