Sunday
December 4, 2016

Homework Help: 2nd Grade

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 by Annie

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 by Anonymous1

math
in an AP the 10th term is 54 and 5th term is 4 times the 2nd term . Find the 1st term 'a' and common difference 'd'
Monday, February 3, 2014 by jomon

Math
I got a couple questions. 1. The quotient of c and 8 2. 16 more the the product of 5 and p 3. 9 less than the sum of x and 5 4. 5x(7+3) 5. 2x(4 to the 2nd power -5) 6. 7(8)-4(8)
Tuesday, January 28, 2014 by Not Available

maths
The 2nd term in a geometric sequence is -4 and the 5th term is 32
Tuesday, January 21, 2014 by Awe

calculus
what is the 2nd derivative of: 1-xy = x-y i get (-y-1)/(x-1) for the first the second i know is (-y-1)/(x-1)^2 but i keep getting (0)/(x-1)^2 please show me the steps i should be taking and if possible what i did wrong
Monday, January 20, 2014 by eric

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 by Ashley Kate

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 by Anonymous

Math
Janice and Patricia each want to buy a new DVD player. They go to the Hot Electronics and find a DVD player for $75. Hot Electronics offers a different payment plan. Janice is going to pay $15 now, and then $7.50 per month. Patricia is going to pay $12.50 per month How much ...
Monday, November 11, 2013 by Jerald

Math
If I I'm trying to find the average weight of a 2nd grade girl which would be the most effective and why? Mean, Median or Mode? If I'm trying to find the average cost of a home in a city which would be the most effective and why? Mean, Median or Mode? If I'm trying...
Tuesday, November 5, 2013 by Anonymous

Physics
6) The relationship betwe​en force and acceleration​ is given by Newton&​#146;s 2nd Law: Fnet ​;= ma. In this case&​nbsp;this becomes:    ...
Wednesday, October 30, 2013 by Al

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 by Thom

Geometry
Simplify (6t to the fifth power) with whole expression in parenthesis to the 2nd pwr.
Thursday, October 10, 2013 by Gelo G

Physics/electricity
In the Bohr model of the hydrogen atom, an electron in the 2nd excited state moves at a speed of 5.48X10^5 m/s in a circular path having a radius of 2.12X10^-10 m. What is the effective current associated with this orbiting electron?
Sunday, October 6, 2013 by Derrick

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 by Anonymous

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 by NM

logical reasoning
how to write 2nd oct 2013 in 6 letters without using numbers
Thursday, October 3, 2013 by kani

Maths
The 14th term of an Ap is double the 4th term.find the 10th term if the 2nd term is 8
Wednesday, October 2, 2013 by Hacker

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 by Anonymous

Grammar Advisor
Are these correct? I mark my answer with an X. 88. The reason to list all of the preliminary (non-procedural) information in a lesson plan is to be sure have considered each aspect. keep good records for your future needs. be able to communicate clearly with administrators, ...
Wednesday, September 25, 2013 by William

english
Can someone check my english essay. 700 words. I have English as 2nd language
Friday, September 20, 2013 by Jon

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 by Anonymous

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 by lewis

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 by Venus

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 by Kimberly

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 by Kimberly

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 by Yasmen

statistics
1. I took a sample of the grade point averages for students in my class. For 25 students, the standard deviation of grade points was 0.65 and the mean was 2.89. The standard error for the sample was:
Sunday, August 11, 2013 by CHIMI

Calculus-HELP PLZ !!!!
Find the complete general solution to the 2nd ODE: 9y'' + 9y' - 4y = 0
Monday, July 22, 2013 by Elyse

Calculus
Find the complete solution to the 2nd ODE: 2y''+3y'+y=t^(2)+3sin(t)
Thursday, July 18, 2013 by Sara

maths
if tan theta= -13/12 where theta is in 2nd quadrant find remaing trigonometric ratios
Thursday, June 6, 2013 by sakthi

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 by saraah

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 by Sue

MATH HELP!!
How many ways can 12 horses in a race come in 1st, 2nd, and 3rd place
Friday, May 17, 2013 by tariq

Physics helpp
Newtons 2nd law The force of earths gravity is about 10 N downward. Whats the acceleration of a 15kg backpack if lifted with a 15N force??
Tuesday, May 14, 2013 by Kate

maths
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,true if heads and false if tails). What is the chance ...
Saturday, April 27, 2013 by anonymous

?
If there are 56 questions and you miss 10 what would your grade be? Your grade would be a 81.88 I divided 100/56 and got 1.78 than I multiplied how many questions I would get right by 1.78. So 46x1.78=81.88
Wednesday, April 24, 2013 by Anonymous

?
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 by Anonymous

?
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 by Anonymous

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 by AmmanJordan

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 by AmmanJordan

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 by AmmanJordan

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 by Stacey

chemistry
Please i tried to give this answer on a quiz but it was not accepted. To name this alkane: CH3CH2CH2CHCH3 with a substituent of CH3 on 2nd carbon.
Thursday, April 11, 2013 by Rashidat

Chemistry - DrBob Help!
Draw product for chlorination of 2methylbutane through a 2nd radical
Wednesday, April 10, 2013 by Ilya

Math
Factor the trinomial completely. y to the 3rd power minus 14y to the 2nd power plus 48y
Thursday, April 4, 2013 by ReRe

physical science 2nd semester
what is the reactant in this equation ?2HBr(aq)+ca(OH)2(aq)-->2H2O(i)+CaBr2​(aq)
Tuesday, April 2, 2013 by josh

5th grade math
how do i convert milligrams to grams- i am in fifth grade-easiest way please.
Thursday, March 28, 2013 by cc

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 by bob

algebra 2nd try
I need to simplify this 2/∛49 . I figured it out to be (2∛((49)^2))/49 but the system I added my answer to says this is incorrect. Please help me! Thanks anyone.
Saturday, March 23, 2013 by sally

Math (algerba 1)
(4 X 10 to the -5th power) to the 2nd power. How would I solve this?
Wednesday, March 13, 2013 by Katea

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 by pavithra

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 by Unknown

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 by juju

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 by minte

Math
Write the following number in standard form (4X10 4th power)+(3X10 3rd power)+(2X10 2nd power)+(5X1)=
Tuesday, March 5, 2013 by Joe

Urgent
draw an angle x in the 1st quadrant with sinx=3/5, and an angle y in the 2nd quadrant with cosy=-12/13, then determine the exact value of tan(x+y).
Friday, March 1, 2013 by Anonymous

Similarity
What is one similarity between 4th grade and 5th grade?
Wednesday, February 27, 2013 by Celest

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 by Celest

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 by AwesomeGuy

math
franklin school has 3 boys for every 4 girls in the fifth grade.there is 140 students in the fifth grade. A. how many are boys and how many are girls??? pleassseee helpppp meeeeee!!!!
Saturday, February 2, 2013 by wobble it

4th grade math
In helping my 4th grade grandson last night with his math, he had problems like this 93 * 18. I asked what the asterisk meant and he said the teacher said to "figure it out"
Wednesday, January 30, 2013 by Patricia

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 by Kristina

math
a boat travels at 16 knots 1st leg: 6hr @ S63W 2nd leg: 4hr @ N10E find time and bearing back to port
Wednesday, January 23, 2013 by Ashley

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 by Christina

maths
if sinx=3/5,cosy=12/13,where x and y both lie in 2nd quadrant, find the value of sin(x+y),cos(x-y),tan(x+y)?
Tuesday, January 15, 2013 by jeethu

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 by tony

Geometry
What is the equation of a line through (-2,5) and whose segment intercepted between the axes in the 2nd quadrant is 7sqrt2? Please help me solve this
Monday, January 7, 2013 by Lance

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 by tony

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 by pat

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 by Lance

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 by James

math
-25 plus 4 to the 2nd power times 3 minus 5 to the 3rd power
Wednesday, December 12, 2012 by naomi

5th grade math (word problems)
I didn't see an answer from yesterday, so resending. Also, is there a website to explain how to solve word problems - like key phrases to look for (ex: 'in all' - add; 'what's left' - subtraction)? Here's question from yesterday: sorry,but I don'...
Wednesday, December 12, 2012 by Alex

5th grade math (word problems)
sorry,but I don't understand word problems - like what formula/expression to use. Here's the 1st problem: Rob practiced 3/5 of his music in 25minutes. About how long does it take to practice all of his music? I know that Rob has 2/5 left of music to practice. So, do I ...
Tuesday, December 11, 2012 by Alex

math
student got 25 questions correct did not pass,2nd attempt got 36 correct what was percent increase show how solved
Wednesday, December 5, 2012 by Anonymous

Math 8R - HW Qs. Check
Write the product of (1.7 x 10 to the 9th power) x (1.4 x 10 to the 2nd power) in scientific notation My Answer - 2.38 x 10 to the 11th power am i correct and please reply this post
Sunday, December 2, 2012 by Laruen

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 don't understand how to do this. Would you mind helping me get the answer to this Program?
Sunday, December 2, 2012 by Derek Smith

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 don't understand how to do this. Would you mind helping me get the answer to this Program?
Sunday, December 2, 2012 by Derek Smith

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 don't understand how to do this. Would you mind helping me get the answer to this Program?
Sunday, December 2, 2012 by Derek Smith

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 don't understand how to do this. Would you mind helping me get the answer to this Program?
Sunday, December 2, 2012 by Derek Smith

math
If sinx=3/5,cosy=-12/13,where x and y both lie in 2nd quad.Find the value os sin(x+y).
Tuesday, November 13, 2012 by Anonymous

Math Statistics
Kesha's mean grade for the first two terms was 74. What grade must she get in the third term to get an exact passing average of 75?
Tuesday, November 6, 2012 by Milen

Math Statistics
Kesha's mean grade for the first two terms was 74. What grade must she get in the third term to get an exact passing average of 75?
Tuesday, November 6, 2012 by Milen

Maths
Find three no. Such that,the 2nd is twice the 1st,the 3rd is three times the first and their sum is 180. Ans is 30,60,90
Friday, November 2, 2012 by Simran kaur

math
the manager of a starbucks store plans to mix A grade coffee that cost 9.50 per pound with grade B coffee that cost 7.00 per pound to create a 20 pound blend that will sell for 8.50 a pound. how many pounds of each grade coffee are required?
Tuesday, October 30, 2012 by faye

5th grade math word problems
Frank saved 50% by purchasing his airline ticket early. His wife paid full price. If their total was $294 how much was Franks's ticket only? Can someone please explain this to me in 5th grade terms.
Wednesday, October 24, 2012 by Anonymous

SS8R - (2nd question) help!
business rockefeller control???????? i only thing I know is that he formed a Standard Oil Company.... does that count is there any other business he control (looked up on wiki, not there...)
Tuesday, October 23, 2012 by Laruen

Social Studies 8R (2nd question)
Why do some call him a Capatain of Industry? Now for this question I know why, is because since he a industrialist, he controlled many railroads. He was on of the richest man in america. right????
Tuesday, October 23, 2012 by Laruen

Social Studies 8 - help!!!!! (2nd question)
What organizations or buildings named after cornelius vanderbilt? So far I only got Vanderbily University is there anything else????? I google it and that's all it gave me please help me!!!!!
Monday, October 22, 2012 by Laruen

Health 8 (2nd question)
Describe the effects of alcohol Answer - There were 283 deaths recorded as alcohol-related and could cause blackouts, memory loss and anxiety. Am I correct and is my answer is good????
Monday, October 22, 2012 by Laruen

business statics
a random sample of the grade of 78 students is taken. what is the probability that the average grade will be between 80.3% and 82.3%?
Sunday, October 21, 2012 by kenneth

algebra
how do I evaluate 2x to the 4th power + 2 x to the 3rd power + x to the 2nd power when x + 7
Thursday, October 18, 2012 by Anonymous

Math
Jessie’s average grade in Algebra for the first two terms is 73.5. What grade must he get in the third term to have an average of 75?
Wednesday, October 17, 2012 by Milen

science
Is venus the 1st, 2nd, 3rd, 4th, 5th, 6th, 7th, 8th or 9th smallest planet?
Tuesday, October 9, 2012 by Slippy

algebra 2
i'm trying to solve this system of equations with 3 variables 5a-b+3c=5 2a+7b-2c=5 4a-5b-7c=-65 i tried to make the first equation like a=something so i could substitute it in to the 2nd equation, however i get decimals so it doesnt work how do i do this problem?
Sunday, October 7, 2012 by john

statistics
You are given the following data. Number of Absences Final Grade 0 95 1 91 2 82 3 69 4 67 5 58 - Find the correlation coefficient for the data. - Find the equation for the regression line for the data, and predict the final grade of a student who misses 3.5 days.
Thursday, October 4, 2012 by mom

3rd Grade Math
There are 25 students in Mrs. Roberts 3rd grade class. There are 9 more boys than girls in the class. How many boys and girls are in Mrs. Robert's class? How can I explain this to my 8yr old in 3rd grade? I've got myself so confused in the process of trying to figure ...
Tuesday, October 2, 2012 by Lisa

math
there are 15 boys and 18 girls in fifth grade. Find the ratio of boys to girls in fifth grade.(how do I get the answer) can someone show me how to work the problem
Monday, October 1, 2012 by dan

math,social studies and heaalth
I am in middle school and I want to know what my grade point average is. Do you know any websites where I can calculate my grade point average. Thanks.
Wednesday, September 19, 2012 by Yog

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