Tuesday
October 21, 2014

Homework Help: 4th Grade

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chemistry
A sample contains Hydrogen atom ,He+ ion, Li2+, & Be3+ ion. In H atom electron is present in 8th orbit, in He2+ e- is present in 6th orbit, Li2+ in 5th orbit& in Be3+ electron is present in 4th orbit. All the atoms are de-excited to the ground state. Calculate the total no. of...
Wednesday, June 4, 2014 at 4:36am

statistics
An 8th grade history teached studied the statistics for her mid-term exam. The average grade for the mid-term was 84 points, and the standard deviation was 8 points. The Z-score for a student who scores 90 on the exam is: 84-90/8= -0.75
Tuesday, June 3, 2014 at 7:36am

Math 8th Grade!!!!
27 - (-9) (-2) ÷ 3 * (-4) - 0 - 33 - (-39)
Wednesday, May 21, 2014 at 6:56am

math 8th grade
-15 - (3-7) + 6 * (-2) + (-8) - 9
Wednesday, May 21, 2014 at 6:49am

fdr
a rectangular fence is constructed that will enclose 100 ft sq of land. three sides will be built from fencing that costs 10 dollars per foot and the 4th side will be built from fencing that costs 23 dollars per foot. find the dimensions of the rectangular fence that minimizes...
Monday, May 19, 2014 at 6:54pm

math
Taylor surveys students in one grade level who own at least one pet. She finds that 50% of the students surveyed own 2 pets, 3 students own 3 pets each, and 2 students own 4 pets each. Eight of the students in the grade own 1 pet. Considering the number of pets as the random ...
Monday, May 19, 2014 at 10:21am

math
Suppose that you are taking a course that has three exams which count for three-fifths of your grade and a final which counts for two-fifths of your grade. On your first three tests your scores on were 84, 72, and 96. To get an B in the course, you must have an average of at ...
Friday, May 9, 2014 at 9:07am

Math Help!
1. Find the 4th term in the binomial expansion.(2x + 3y)^6 2. Use synthetic division and the remainder theorem to find P(a). P(x)= x^5 + 3x^4 + 3x − 7; P(-1) 3. Factor the expression on the left side of the equation. Then solve the equation. x^6 + 128x^3 + 4096 = 0 4.) ...
Thursday, May 8, 2014 at 2:35pm

Science
GCSE Physics-Forces affecting falling objects. My falling object is a skydiver Can you please help me to find the information needed? Nothing too complicated please. Here is a list of things I need to include but I have no idea where this information can be found on the ...
Sunday, May 4, 2014 at 2:18pm

Science
GCSE Physics-Forces affecting falling objects. My falling object is a skydiver Can you please help me to find the information needed? Nothing too complicated please. Here is a list of things I need to include but I have no idea where this information can be found on the ...
Sunday, May 4, 2014 at 10:52am

4 the grade math
What's 3/4 of blank=75
Tuesday, April 29, 2014 at 11:35pm

HELP! 5th grade math
Trying to help my child in 5th grade. Shannon pours 4 different liquid ingredients into a bowl The sum of the liquid ingredients is 8.53 liters. Two of her measurements are in milliliters and two of her measurements are in liters. Give an example of possible measurements for ...
Sunday, April 13, 2014 at 10:43pm

9th grade math
x^2+8x+16=25
Tuesday, April 8, 2014 at 10:56pm

9th grade math
4m^2-24m+36=0
Tuesday, April 8, 2014 at 10:51pm

math - 6th grade
HELP! How do I solve for x: 4x+2=3x+9
Thursday, April 3, 2014 at 6:48pm

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

math
A company is selling 1 gallon blocks of orange juice. your task is to design a rectangle box ( prism) that meet all the criteria below: a) contains at least 231 cubic inches. b)the height of the box must be exactly 1/4th of the width of the box. c)the box is closed on all 6 ...
Sunday, March 23, 2014 at 4:03pm

Calcules
A company is selling 1 gallon blocks of orange juice. your task is to design a rectangle box ( prism) that meet all the criteria below: a) contains at least 231 cubic inches. b)the height of the box must be exactly 1/4th of the width of the box. c)the box is closed on all 6 ...
Sunday, March 23, 2014 at 3:36pm

Business Calcules
find a rectangular contains at least 231 cubic inches.the height of the box must be exactly 1/4th of the width of the box. the box is closed on all 6 sides. the surface area of the box minimized.?
Sunday, March 23, 2014 at 1:56pm

Grade 6 math
What is 2 to the 2nd power
Thursday, March 20, 2014 at 5:53pm

Math
Eric and Madison both measured the trading card. Eric says he got 3 inches and Madison says she got 2 3/4th. The teacher says both are right. How is that possible?
Tuesday, March 18, 2014 at 6:25pm

4th garde math
J.T. shaded 3/5 of a rectangle. Mary shaded 4/12 of a congruent rectangle. who shaded more. how do you know
Tuesday, March 4, 2014 at 5:38pm

6 grade math
How do you solve this problem: x + 2 1/5 = 7?
Monday, March 3, 2014 at 10:36pm

Please help Math
a. Use the formulas for lowering powers to rewrite the expression in terms of the first power of cosine: (cos^4)x (or cos*x to the 4th power) b.Use an appropriate Half- Angle Formula to Find the Exact value of the expression: 1. tan 15(Degrees) 2. cos 3pi/8(Radians)
Monday, March 3, 2014 at 6:16pm

Mathmatics
a. Use the formulas for lowering powers to rewrite the expression in terms of the first power of cosine: (cos^4)x (or cos*x to the 4th power) b.Use an appropriate Half- Angle Formula to Find the Exact value of the expression: 1. tan 15(Degrees) 2. cos 3pi/8(Radians)
Monday, March 3, 2014 at 5:32pm

Maths
I’m a 4-digit number. My 1st 2 digits from the left are divisible by 5. My 3rd and 4th digits from the left are divisible by 9. The sum of my digits is 18. Each of my digit is different. I’m divisible by 4. I’m less than 6000. My units digit is twice my tens ...
Monday, March 3, 2014 at 7:21am

maths
There are 6 terms in an A.P. 6th term is 3 times the second term and 4th term is 4 times the first term. if the 5th term is 15 find the terms
Tuesday, February 25, 2014 at 5:32am

Math
Linda jogs every 3rd day and swims every 4th day. If she is jogging on Monday, what day of the week will she end up jogging and swimming? I say it's Tuesday? Would I be correct?
Monday, February 24, 2014 at 6:34pm

Essay
Would this essay be good? Anything I should add? I still need like 200 more words.. Intro; Hello, I am 12 years old and my name is Navpreet Chauhan. I have been going to Hamilton Southeastern schools for about 7 years. I love helping others out. Scholarship; I usually make it ...
Thursday, February 20, 2014 at 6:51pm

4th garde math
Jenny has twice as many cookies as Penny. Winnie has four more cookies than Jenny. If they have 44 cookies altogether, how many cookie does Penny have? Write a number sentence
Wednesday, February 19, 2014 at 4:06pm

4th grademath
A serving of green beans is 125 g. The cafetreia has 10 5 kg cans of green beans. does the cafeteria have enough green beans to server 350 studens?
Monday, February 10, 2014 at 8:06pm

economic
Suppose, unfortunately , your mathematics and economics professors have decide to give tests 2 day from now and you can spend only a total of 12 hours studying for exams .After some thought, you conclude that dividend your study time equally between each subject will give you ...
Sunday, February 9, 2014 at 12:24am

economic
10. Suppose, unfortunately , your mathematics and economics professors have decide to give tests 2 day from now and you can spend only a total of 12 hours studying for exams .After some thought, you conclude that dividend your study time equally between each subject will give ...
Sunday, February 9, 2014 at 12:18am

math
The third term of a G.P is 24 and the sum of the first two terms is 288. If all the terms are positive,find a)the first term and the common ratio b)the sum of all the terms from 4th term to the 8th term
Monday, February 3, 2014 at 10:03am

12th Grade Vocabulary Antonyms Practice
Does anyone know of a good place that I can practice 12th grade vocabulary antonyms?
Saturday, February 1, 2014 at 3:17pm

COURSE HELP MEEE
Hi i want to be a pediatrician when i grw up so what course should i take in college ? im already in 3rd yr high school... in the philippines , as for me , i surpassed the k12 before they implement it and the next yr we our batch will be the lasy 4th yr hgh school students to ...
Saturday, February 1, 2014 at 10:26am

math
find the 4th term of an arithmetic sequence whose first term is -8 and whose 9th term is 32.
Thursday, January 30, 2014 at 7:20pm

Maths
In an A.P ratio of 3rd term and 5th term is 3:7. a)Find the ratio of the 4th and 6th term? b)Find the ratio of the 6th and 12th term?
Wednesday, January 22, 2014 at 6:08pm

Math
The dimensions of triangle B are three times the dimensions of triangle A. The area of triangle B is 72 cm2. What is the area of triangle A? 16 cm2 8 cm2 36 cm2 24 cm2 My answer 4th one?
Tuesday, January 21, 2014 at 7:02pm

statistics
What is the probability for a: a.       Randomly selected person being a male in grade E? b.      Randomly selected male being in grade E? c. Why are the results different?
Sunday, January 19, 2014 at 11:23pm

math
the 20 students in Mr. Wolf's 4th grade class are playing a game in a hallway that is lined with 20 lockers in row. the 1 student starts with the first locker and goes down the hallways and opens all lockers. the 2 student starts with the second locker and goes down the ...
Wednesday, January 1, 2014 at 6:34pm

statistics
Last week Tom had exams in Math and in Spanish. He had a score of 45 on the Math exam and a score of 65 on the Spanish exam. For which class should Tom expect the better grade? a. Math b. Spanish c. The grades should be the same because the two exam scores are in the same ...
Tuesday, December 31, 2013 at 8:07pm

linear optimization
During a summer session a student enrolls in two courses, psychology for four hours and engineering for three hours. The student wants to use the available time to amass the largest number of grade points (numerical grade multiplied by the number of hours). Students who have ...
Sunday, December 29, 2013 at 10:45am

language arts
Identify the appositive phrase in the following sentence. Mrs.Talavera,an eight grade teacher at Rosewood Middle School,led the community meeting about childhood obesity. -Mrs.Talavera -an eight grade teacher at Rosewood Middle School -led the community -about childhood obesity
Tuesday, December 17, 2013 at 8:30pm

Introduction to criminal Justice.
Topic:4th Amendment exception to searches and seizures (Terry v. Ohio) what impact did Terry v. Ohio have on law enforcement officers? Hint: what have been the benefits or hindrance of Terry as it relates to officer safety?
Tuesday, December 17, 2013 at 6:22pm

Math (7th grade)
I have a math question that I do not really understand how to answer is there someone who can walk me through it? In Pinecrest middle school there are 58 6th graders 76 7th graders, and 38 8th graders. The counsel is made up of 35 students who are chosen to represent all three...
Tuesday, December 17, 2013 at 3:42pm

7th grade mat
8g+2+4g-2-3g=? (9g)
Thursday, December 5, 2013 at 11:57pm

algebra
Determine whether the statement is true/ false 1. Traveling 10 miles in 2 hours is same as traveling 4 miles in one hour 2. If two triangles are similar, the length of their sides are the same 3. x/12 = 4/24. Then x=2 Multiple Choice. Choose the best answer for each question 4...
Tuesday, November 19, 2013 at 8:26am

math
Carlos was 5feet,8inches tall at the beginning of ninth grade. he grew 4 3/4inches during that school year and 2 1/4inches during follow the summer. how tall was Carlos at the beginning of tenth grade? Express his height in feet and inches.
Monday, November 18, 2013 at 12:02pm

math
in an ap the difference is between the 8th and 4th term is 20 and the 8th term is one and the half times the fourth term what is the common difference
Friday, November 8, 2013 at 4:44am

science
apa style another one identify at least seven different problems with the following reference and the re-write the reference in its proper form Walter John Gowan; Advertising in American Society (4th ed.), New York, New York: Mr. Robert Jones and his sons, 2001.
Monday, November 4, 2013 at 1:31pm

science
another one identify at least seven different problems with the following reference and the re-write the reference in its proper form Walter John Gowan; Advertising in American Society (4th ed.), New York, New York: Mr. Robert Jones and his sons, 2001.
Sunday, November 3, 2013 at 6:57pm

english
Please help me. I wanna make sure if all corrects this. Thanks. Some people are so (1)ominous 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 right to safety. Shannon is (3)endowed ...
Wednesday, October 23, 2013 at 2:36am

Geology
Can someone please help me with my review? 1)What grade of metamorphism common rocks are formed in- --- Is it high grade? 2)What is the name of the most rapid kind of mass wasting is> -- Weathering? 3)How to tell is a rock is igneous, metamorphic or sedimentary. 4)How to ...
Thursday, October 17, 2013 at 11:50pm

Geogoly
Can someone please help me with my review? 1)What grade of metamorphism common rocks are formed in- --- Is it high grade? 2)What is the name of the most rapid kind of mass wasting is> -- Weathering? 3)How to tell is a rock is igneous, metamorphic or sedimentary. 4)How to ...
Thursday, October 17, 2013 at 11:42pm

Pre Algebra
In Wilbur's math class, his grade is based on the average score of six tests, each worth 100 points. Wilbur always worries about his grade. He knows that his average on the first four tests is 88.5. What is the lowest average he could get on his next two tests and still ...
Thursday, October 17, 2013 at 8:58pm

fast answer plss
the sum of four angles about a point is 360degree.the measure of the 2nd angle is 6degreemore than 3times the 1st,the measure of the 3rd is 3degree more than twice the first,the measure of the 4th is 20 degree less than the 3rd.what is the measure of each angle?
Friday, October 11, 2013 at 10:13am

Shurley English Grade 4
I'm suppose to write sentences from Grade 4 Shurley English book. I was suppose to bring book home and use page 25 - I forgot the book - anyone know what is on page 25? Thanks
Wednesday, October 2, 2013 at 5:41pm

Second Grade Reading
Hello. I am a tutor. I tutor second grade students. I need a good website that will give me great tips on how I can better teach my students how to read, spell, and pronounce words. Can you please help me find a website like that?
Saturday, September 28, 2013 at 10:42pm

grades
your average grade if you get a b- then you get a d+ ?
Thursday, September 26, 2013 at 5:45pm

statistics
suppose that grade point averages of undergraduate students at one university have a bell shaped distribution with a mean of 2.55 and a standard deviation of 0.43. Using the empirical rule, what percentage of students have grade point averages that are between 1.26 and 3.84
Monday, September 23, 2013 at 9:10pm

pre-algebra
There are 1,400 students in a school.The number of girls is 3/4 the number of boys.How many students are in the other grade levels if 1/6 of the girls and 1/5 of the boys in first grade?
Thursday, September 12, 2013 at 9:18pm

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

Money and Banking
1. A firm uses capital to produce revenue. The marginal revenue from the first 5 units of capital is as follows: 1st unit has MR 2.30, 2nd unit has MR 1.9, 3rd unit has MR 1.70, 4th unit has MR 1.35, and 5th unit has MR 1.15. If the interest rate is 50%, what is the optimal ...
Sunday, September 8, 2013 at 6:37pm

health 5 grade
i need help in health subject for my son 5 grade Question 1- connect suppose you have a cold. this affects your physical health. does if affect your mental,emotional,family, and social health, too? explain why or why not. Question 2- practice healthful behaviors Make a list of...
Friday, September 6, 2013 at 8:21pm

Math
The fifth and sixth grades at Oak Street School are having fair.There are 50 students total and 3/5 of the students are fifth grade students.How many fifth grade students are entered in science fair?
Wednesday, September 4, 2013 at 10:47pm

Math
The fifth and sixth grades at Oak Street School are having fair.There are 50 students total and 3/5 of the students are fifth grade students.How many fifth grade students are entered in science fair?
Wednesday, September 4, 2013 at 9:49pm

math
Ez stop fast gas sold 10957 worth of gasoline yesterday. Redular grade sold for 2.30 a gallon and premium grade sold for 2.55 a gallon. If the station sold 420 more regular than premium, how many gallons of regular were sold
Monday, August 12, 2013 at 2:12am

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 at 2:58am

math
A newly-opened restaurant has 5 menu items. If the first 4 customers each choose one menu item uniformly at random, the probability that the 4th customer orders a previously unordered item is a/b, where a and b are relatively prime positive integers. What is a+b?
Monday, July 1, 2013 at 12:53pm

9th grade math
Solve -4(x-3)>2x A. x>6 B. x<2 C. x>3/2 D. x<-1/2
Tuesday, June 4, 2013 at 2:48pm

Music
23. If the fourth chord of a note is a seventh above the root, the chord is: a. a 7th chord b. a triad c. non-tertian d. a 4th chord Not sure 33. The inversion of triads can be written with roman numerals and a. letters b. small numbers c. percentage signs d. tiny stars B?
Saturday, June 1, 2013 at 1:44pm

statistics
a horse race has 10 entries and one person owns 5 of those horses. assuming that there are no ties, what is the probability that those 5 horses finish 1,2,3, 4th and 5th regardless of the order?
Sunday, May 26, 2013 at 5:15pm

Math
I'm having a hard time coming up with the right equation to solve this one. E-Z Stop Fast Gas sold $10,957 worth of gasoline yesterday. Regular grade sold for $2.30 a gallon and premium grade sold for $2.55 a gallon. If the station sold 420 more gallons of regular than of ...
Wednesday, May 1, 2013 at 5:47pm

Math
A math class has girls and boys in the seventh grade and girls and 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 girls? Write your ...
Wednesday, May 1, 2013 at 11:43am

Biology
Is 9th grade biology hard? Is it interesting...?? I love life science but I just wondering if 9th grade biology hard??? I'm taking biology next year.
Monday, April 29, 2013 at 7:48pm

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

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 at 3:25am

?
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 at 5:33pm

Math
Meagan bought a 3 liter soda and a bag of cups to a party. Each cup holds a volume of 250ml How many cups will be needed for soda 12 Ms.Baggett took a total of 3 hours to grade 120 papers Which of the following can be used to find m the number of minutes Ms.Baggett took to ...
Wednesday, April 17, 2013 at 7:16pm

programming
Write a program that requests the numeric grades on a midterm and a final exam and then uses a Function procedure to assign a semester grade (A, B, C, D, OR F). The final exam should count twice as much as the midterm exam, the semester average should be rounded up to the ...
Tuesday, April 16, 2013 at 10:31pm

7th grade math
There are 150 students in 7th grade. After signing up for electives for next year, the counselor posted the following data: Art - 65 students Band - 70 students Theatre - 50 students Not all students signed up for an elective. Display this data using Venn Diagrams. I do not ...
Saturday, April 6, 2013 at 7:24pm

Algebra 8th grade
3a + 5b = 70 6a + 9b = 135
Monday, April 1, 2013 at 5:44pm

pre calculus
If you are driving down a 10% grade, you will always 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 the “grade” relate to...
Monday, April 1, 2013 at 9:17am

algebra 10th grade
Solve for x? 0 = -9/5 x -9
Thursday, March 28, 2013 at 8:20pm

10 grade algebra
solve 10(x+5)=130
Tuesday, March 26, 2013 at 7:29pm

10 grade algebra
Solve the equation 2(x =10)=80
Tuesday, March 26, 2013 at 7:05pm

Physics
Three parallel plate capacitors (C1,C2 and C3 ) are in series with a battery of 100 V. C1=2500 micro Farad; C2=2C1 , C3=3C1 . (a) What is the potential difference over each capacitor and how much charge is on each capacitor? Across C1 :V1 (in Volts) = incorrect Q1 (in C) = ...
Wednesday, March 13, 2013 at 12:19am

English
i have a hard time calculating my grade & am in college. Please tell me the grade I have so far & will have, thank you!365 points in the course is needed. Lecture exams and quizzes are worth about 60% of the total grade &90 ≤ A 80 ≤ B < 90 70 ≤ C < 80 ...
Monday, March 11, 2013 at 12:50pm

6th grade math
n/4+32=72
Tuesday, February 26, 2013 at 7:36am

5th grade math
Is 3/9 <,>,= to 9/14?
Monday, February 25, 2013 at 7:13pm

Math
24 m of fencing are available to enclose a play area. what would the maximum area be if the fencing only went on 3 sides because the wall is used as the 4th side. Please show you work
Friday, February 22, 2013 at 3:41pm

6 grade math
(100-7•2+3)÷10 =
Tuesday, February 12, 2013 at 10:33pm

statistics
this is a problem in my statistics class, and I am lost to me, it is confusing or missing something here is the problem please help grade points are assignede as follows: a=4,b=3,c=2,d=1,f=0. grades are weighted according to credit hours. if a student receives an A in a four-...
Sunday, February 10, 2013 at 10:42pm

Math
Instructions Suppose we have a sequence (1), (2, 3), (4, 5, 6). (7, 8, 9, 10), (11, 12, 13, 14, 15), ... where (1) is the first element of the sequence, (2, 3) is the second, etc. What is the first number in the 100th element of the sequence? Be sure to do more than answer the...
Saturday, February 9, 2013 at 4:04pm

Maths
Thato caught 4 snails and placed them all in the same small circle on the ground and organised a race......1st snail travelled 24cm in 4minutes,2nd snail travelled 35 cm in 7minutes,3rd snail travelled 33cm in 5minutes and the 4th snail travelled 39cm in 6minutes..... (1)how ...
Wednesday, February 6, 2013 at 6:32am

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 at 12:12pm

Math
There are 12 girls on a gymnastics team. Less than 1/4 of the girls are in second grade. How many girls on the gymnastics team could be in second grade?
Monday, January 28, 2013 at 9:00pm

American History
docs(DOT)google(DOT)com/file/d/0B3_sydO5​xXRZOUpwTVZIbUdvNXM/edit I have to write a childrens book(3rd-4th grader) for a history project. I have to somehow incorperate/represent the cold war, containment, truman doctrine, domino theory, and korean war. I don't even ...
Thursday, January 24, 2013 at 1:28am

6 grade Math
How do I divide this ... 3 divided by 1/2
Wednesday, January 23, 2013 at 6:23pm

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