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July 23, 2014

Homework Help: 4th Grade

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Grade 12 Calculus
A rectangular piece of paper with perimeter 100 cm is to be rolled to form a cylindrical tube. Find the dimensions of the paper that will produce a tube with maximum volume. I have made it up to getting an equation for V(w).
Tuesday, March 25, 2014 at 7:49pm

English 10th grade
In "Like the Sun," all of the following would be considered "casualties" of Sekhar's truth except his • children • colleagues • headmaster • wife It almost seems it could be any of them but I need the right one.
Tuesday, March 25, 2014 at 5:56pm

Convert fraction decimal and percent
On Friday math test. will missed 5 problems out of 25. If each problem was equally weighted, what was will's grade on the test? A. 20% b. 75% c. 80% d. 85%
Tuesday, March 25, 2014 at 3:48am

math
Mr. Gonzalez's sixth-grade class is putting on a play. He reserved the first 6 rows of the auditorium for family members and friends of the 24 students in his class. If each row contains 17 seats and each student can invite the same number of guests, how many guests can ...
Monday, March 24, 2014 at 6:48pm

math
The 6th grade classes have started a contest to collect cans for recycling. The first class to reach 500 cans will win. The chart below shows the two classes in the lead. How many cans does each class have left to meet their goal? show the work .
Monday, March 24, 2014 at 2:21pm

Math - PreCalc (12th Grade)
How many different basketball teams of 5 players can be created from a group of 7 players?
Monday, March 24, 2014 at 10:14am

Math - PreCalc (12th Grade)
Which equation represents a hyperbola whose foci lie at (2, 7) and (2, -3)?
Monday, March 24, 2014 at 9:45am

literacy
im in grade 10 and if i do the osslt literacy practice tests. will someone on here mark my writing tasks? i can mark the multiple choice questions on my own but i just need someone to mark the writing stuff
Friday, March 21, 2014 at 10:41pm

Math - PreCalc (12th Grade)
The function f(x) = 6x + 5 is defined over the interval [-1, 4]. If the interval is divided into n equal parts, what is the value of the right end point of the first rectangle?
Friday, March 21, 2014 at 11:42am

Math - PreCalc (12th Grade)
What is the value of this expression when n approaches infinity? 4−(4/n)+(5/n)+(15/3n^2) A) 20 B) 10 C) 5 D) 4 E) 1
Friday, March 21, 2014 at 11:33am

Math - PreCalc (12th Grade)
How many 4-digit numbers are possible if the hundreds digit is 8 and if repetition of digits is allowed? A) 100 B) 1,000 C) 9,000 D) 900 E) 1,800
Friday, March 21, 2014 at 11:08am

Math - PreCalc (12th Grade)
The function f(x) = x2 − 5 is defined over the interval [0, 5]. If the interval is divided into n equal parts, what is the area of the kth rectangle from the right? A) [(2+k(5/n))^2+5](5/n) B) [(k(3/n))^2−5](5/n) C) [(k(5/n))^2+5](5/n) D) [(k(3/n))^2+3](5/n) E) [(k...
Friday, March 21, 2014 at 10:53am

Math - PreCalc (12th Grade)
A fair coin is tossed 3 times in a row. If X is the number of heads counted, what is the mean of the probability distribution of X? A) 1.0 B) 1.5 C) 2.0 D) 2.5 E) 3.0
Friday, March 21, 2014 at 10:01am

Math - PreCalc (12th Grade)
The function f(x) = 2x + 1 is defined over the interval [2, 5]. If the interval is divided into n equal parts, what is the value of the function at the right endpoint of the kth rectangle? A) 2+3k/n B) 4+3k/n C) 4+6k/n D) 5+6k/n E) 5+3k/n
Friday, March 21, 2014 at 9:57am

Math - PreCalc (12th Grade)
Use the inverse matrix to solve this system of equations: 4x+3y=7.5 7x+9z=14 4y-z=8.3 4,3,0 7,0,9 0,4,-1
Friday, March 21, 2014 at 9:20am

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

Math - PreCalc (12th Grade)
If Sn = 1 + 6 + 11 + 16 + 21 + 26...... where an = (5n − 4), what would be the mathematical expression represented by Sk + ak + 1? A) (k(5k − 3)/2)+ 5k + 1 B) (k(5k − 3)/2)+ 5k − 4 C) (k(5k − 3)/2)+ 5k + 2 D) (k(5k − 3)/2)+ 5k − 3 E) (...
Thursday, March 20, 2014 at 1:05pm

Math - PreCalc (12th Grade)
What is the slope of the tangent line passing through the point (2, 3) of the graph of this function? f(x)=x^2+2x−5 A) 1 B) 2 C) 3 D) 4 E) 6 f(2)=2^2+2(2)-5 f(2)=3 so is it c?
Thursday, March 20, 2014 at 12:58pm

Math - PreCalc (12th Grade)
What value must be defined for f(4) to remove the discontinuity of this function at x=4? f(x)=(x^2−16)/(x−4) A) 0 B) 4 C) -4 D) 8 E) -8 f(4)=(4^2−16)/(4−4) f(4)=0/0 you can't divide by zero. I don't understand the question.
Thursday, March 20, 2014 at 12:38pm

Math - PreCalc (12th Grade)
If Sn represents the sum of the squares of the first n natural numbers, use proof by induction to find which of the following expressions for Sn is true? A) Sn = n(n − 1)/3 B) Sn = n(2n − 1)/3 C) Sn = n(n + 1)/3 D) Sn = n(n + 1)(2n + 1)/3
Thursday, March 20, 2014 at 12:23pm

A Peculiar Question
Is either a B+ or an A- considered a terrible grade? If I received a B+ for two essays that I was assigned and then an A- for another, will these grades ultimately cause a decrease in my GPA? I want to enter into either a film or art college, and I want to retain my 4.0 GPA ...
Wednesday, March 19, 2014 at 9:29pm

A Peculiar Question
If I have been given a B+ for two essays, it is considered a terrible grade? Will it affect my report card?
Wednesday, March 19, 2014 at 4:20pm

Math - PreCalc (12th Grade)
What is the first natural number that causes the statement 1 + 3 + 5 +... + (2n − 1)<=4n − 1 to fail? A) 2 B) 3 C) 4 D) 5 E) 6
Wednesday, March 19, 2014 at 12:05pm

Math - PreCalc (12th Grade)
What does this function show at x = 5? f(x)=x^2−25/x−5 A) removable discontinuity B) jump discontinuity C) infinite discontinuity D) continuity E) none of the above
Wednesday, March 19, 2014 at 12:00pm

Math - PreCalc (12th Grade)
What is the first natural number that causes the statement:(2+3)^n<=4^n+3^n to fail? A) 1 B) 2 C) 3 D) 4 E) 5
Wednesday, March 19, 2014 at 11:56am

Math - PreCalc (12th Grade)
What is the right-hand limit of this function at x=2? g(x)=x^2−3/x−3 A) -1 B) 0 C) 1 D) 2 E) 3
Wednesday, March 19, 2014 at 11:54am

Math - PreCalc (12th Grade)
What is the left-hand limit of f(x)=|x−3|/x−3 as x approaches 3? A) 1 B) 2 C) 0 D) -1 E) -2
Wednesday, March 19, 2014 at 11:14am

Term Paper question
I've started writing a term paper and wondering if there is anyone or any place that I could submit my paper and get feedback before it's graded? It's worth a large portion of my grade & I'd like someone to review it when I'm done.
Tuesday, March 18, 2014 at 10:52pm

vocabulary power unit 5 grade 6
I am trying to find the meaning of this homework: cicle the letter of the word that is a synonym of the boldfaced word. Can you please help me...PLEASE!!!!
Tuesday, March 18, 2014 at 12:49am

math
The box-and-whisker plots show data for the test scores of four groups of students in the same class. Which plot represents a group with a median grade below 65?
Monday, March 17, 2014 at 6:41pm

Grade 10 English
Based on the movie, The Red Violin what are 3 ways it differs from most Hollywood blockbusters?
Monday, March 17, 2014 at 5:56pm

MS.SUE
thats my other 2 sisters we go to the same school in the same grade and how do u know our current location
Monday, March 17, 2014 at 4:03pm

MATH 104
Last semester, a certain professor gave 24 As out of 244 grades. If one of the professor's students from last semester were selected randomly, what is the probability that student received an A? (Assume that each student receives a grade.)
Saturday, March 15, 2014 at 11:04pm

Grade 10 English
We need to read the story The Stone Carvers I need help with finding important quote s in chapter 1 to 2
Friday, March 14, 2014 at 12:01pm

Math
Susan designed a circular pool with a diameter of 25 meters. What is the area of the bottom of the pool? Round to the nearest tent. Please help this is due tomorrow and I need to up my grade.
Monday, March 10, 2014 at 8:01pm

6th grade math - statistics
Can you explain why Q1 = 3.5 and Q3 is 9 out of this dataset 0, 1, 3, 4, 6, 7, 7, 7, 8, 10, 12, 12. My answers were: Assuming median would be 7 (using numbers in positions 6 and 7 where 7+7/2 = 7) Q1 dataset would be 0,1,3,4,6; Q1 = 3 Q2 dataset would be 7,8,10,12,12; Q3= 10 ...
Monday, March 10, 2014 at 5:17pm

math
100 eighth grade students were interviewed about their favorite subject at school. 45 said Math, 70 said English, and 5 said neither. Using a Venn diagram, how many said both?
Monday, March 10, 2014 at 4:01pm

Asking For Your Opinion:
Would French 1 be a good course to take in 9th grade?
Friday, March 7, 2014 at 10:55am

6th grade science
A couple has just learned that their daughter has hemophilia. They already have a son who does not have the disease. What are the genotypes of the couple? I don't know how to do this please help!
Wednesday, March 5, 2014 at 12:09pm

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

6th grade math
Mark is alternating sqaure tiles with lengths of 4in and 2 in. along the edge of a 6 foot long wall. If he starts with a 4 in tile and ends with a 2 in tile, how many tiles will he use in all? Draw a diagram to solve.
Monday, March 3, 2014 at 2:07pm

Math-5th grade.HELP!
a 12 gallon tank is filled with water at the rate off 1/4 gallon in 5 seconds. At this rate, how long will it take to fill 5/6 of the tank? ?????
Saturday, March 1, 2014 at 12:49pm

5th grade math
In the multiplication problem at the right different letters stand for different digits, and ABC and DBC each represent a three digit number. What number does DBC represent? Two answer possible; give one
Saturday, March 1, 2014 at 12:20pm

Probability
Consider 10 independent tosses of a biased coin with the probability of Heads at each toss equal to p , where 0 < p < 1 . 1. Let A be the event that there are 6 Heads in the first 8 tosses. Let B be the event that the 9th toss results in Heads. Find P(B|A) and express it...
Friday, February 28, 2014 at 12:28am

English Grade 11
Explain how the meaning of each of the following words is related to the root work -litera- mean "letter." 1. literate (adj.) 2. literature
Wednesday, February 26, 2014 at 12:02pm

math
50 students took a test. 24 recieved a better than average grade. What percent scored above the average?
Tuesday, February 25, 2014 at 8:53pm

physics
A 1.761 km car is moving down a road with a slope (grade) of 12% at a constant direction and magnitude of the frictional force? Please show step by step if possible, I am extremely lost! Thanks!
Tuesday, February 25, 2014 at 8:05pm

4 grade math
What is the sum of4/10 and 40/100
Monday, February 24, 2014 at 10:03pm

5th Grade Math
3/4 x 1/2 = 3/8 Need to write a word problem for this equation, and then my daughter has to draw a model to show the product. She doesn't believe that the equation I gave her is useable so I am turning to here. Thank you!
Monday, February 24, 2014 at 7:59pm

7th grade
MS SUE- WHY DO YOU HELP STUDENTS CHEAT ON THEIR TESTS. THEY ARE POSTING ACTUAL QUESTIONS HERE
Monday, February 24, 2014 at 7:52pm

English Grade 11
What is the literary term for an event that is different from what the readers or the characters will expect to happen? A. situational irony B. ambiguity C. verbal irony D. contradiction Working on my workbook pages for this week and I don't understand this one: please ...
Monday, February 24, 2014 at 5:09pm

6th grade social studies
I need help unscrambling these letters to form two words: inenidj tcain They go along with the phrase ______ _____and Persia.
Monday, February 24, 2014 at 7:15am

8th grade science
How many (total) of each atom are there in the reactants and the products of cellular respiration? PLEASE HELP ME
Sunday, February 23, 2014 at 3:58pm

math
The grade of a road is 6%. What is its angle of elevation?
Thursday, February 20, 2014 at 1:15pm

Math 3rd grade
Which can not be a length measured ti the nearest 1/4 inch.
Wednesday, February 19, 2014 at 11:58pm

shurley english
third grade, direct object, pattern 2
Tuesday, February 18, 2014 at 8:12pm

Reading & Math
My daughter is in the third grade and she is reading on a level of 20 she should be at level 34. Please help they are threating to retain her and I don't want that. I need suggestions, desperate mom.
Tuesday, February 18, 2014 at 5:42pm

Math 5th grade
Look for a pattern. Have a rectangle with number 10, 16 and 23 in the corners.the circle in side with 9, 12 and 24. Place the numbers from 8 to 26 either inside or outside the circle according to the pattern shown. Please help!!!
Monday, February 17, 2014 at 11:30am

Math
Mr.Fox's fourth grade class of 20 students had an average of 72% on their last test. However, Rose's mark of 76% had been incorrectly recorded as 56 %. What was the correct class average for the test? A) 82% B) 80% C)73% D) 62%
Sunday, February 16, 2014 at 1:03pm

8th grade science
Explain how the sun's temperature will change over time as it ages.
Saturday, February 15, 2014 at 3:17pm

Science 8th Grade
What was the hiker's average velocity? Distance = 6km West Starting Time = 9:45 Ending Time = 10:45 A. 4.0 km/h south B. 0.10 km/h north C. 10 km/h south west D. 6 km/h west
Friday, February 14, 2014 at 11:08am

Math
ted needs an average of at least 70 on his 3 history tests. he has already scored 85 and 60 on 2 of them. what is the minimum grade ted need on his 3rd test?
Thursday, February 13, 2014 at 7:56pm

Math
Is anyone in 8th grade connections academy and on unit 1 lesson 10 test
Thursday, February 13, 2014 at 7:03am

Grade 8 math
What is the greatest possible product of any two numbers in this list? Explain your answer. -3,-7,-15,6
Tuesday, February 11, 2014 at 5:21pm

10th grade Science
Explain how a drug sits on acetylcholine receptors will affect muscle function? Is it because the drug would act as a blocking agent to prevent the receptors from gathering information on what to do?
Saturday, February 8, 2014 at 1:27pm

grade 12 calculus and vectors
Determine the average rate of change form x = 1 to x = 4 for each function. a) y= x b) y=x^2 c) y=x^3 d) y=7
Thursday, February 6, 2014 at 5:07pm

9th grade algebra
suppose the population of deer in a state is 10,280 and is growing 1% each year. predict the population after 5 years.
Thursday, February 6, 2014 at 11:47am

Math
The 80 students in the 5th grade at north side elementary school voted for their favorite animal after a trip to the zoo.the elephant received 3/5 of the votes.how many votes did the elephant receive.
Wednesday, February 5, 2014 at 8:26pm

ART please help me i just need to be sure about'em
this type of ad implies the product will make you beautiful. slogan testimonial icon rich-and-famous i think its testimonial but i want to be sure. this happens as symbolic, traditional dress in africa is replaced with western styles of clothing. the dress becomes more popular...
Tuesday, February 4, 2014 at 4:02pm

ART please help me i just need to be sure about'em
this type of ad implies the product will make you beautiful. slogan testimonial icon rich-and-famous i think its testimonial but i want to be sure. this happens as symbolic, traditional dress in africa is replaced with western styles of clothing. the dress becomes more popular...
Tuesday, February 4, 2014 at 3:59pm

Math 3rd grade
2-Eric and Frank want to equally share 4/3 feet of rope. what length of rope should each friend get? Explain how to use a drawing to help solve the problem.
Monday, February 3, 2014 at 6:02pm

math 6th grade
the bridge span is 360 meters long. the bridge is 30 meters shorter than the main span. write and solve an equation to the the length of the main span
Monday, February 3, 2014 at 3:04pm

2nd grade math
Mr foster places 11 garden lights along an 80 meter path. Each light is placed an equal distance apart. How far away is the sixth garden light from the second?
Sunday, February 2, 2014 at 8:32pm

6th grade honor science
having trouble with this question it was fill in the blank it was In a food web, an organism that eats an animal is a blank consumer
Thursday, January 30, 2014 at 8:54pm

5th Grade Math
Question: Each face of a prism other than the bases is what two-dimensional shape? Please help I'm really confused and need help.
Monday, January 27, 2014 at 9:49pm

Fractions
Sam has 9 yellow pencils in his desk. 3/4 of his pencils are yellow. How many pencils does Sam have in his desk? 3rd grade fraction, slightly confusing to me
Sunday, January 26, 2014 at 12:04pm

Science - 6th grade: CHECK MY ASNWER
If changing conditions lead to decreased oxygen levels in the stream, the carrying capacity of the stream for the trout will decrease. Oxygen level in water is therefore a(n) _____________ with respect to the number of trout that a particular stream can support. Is it "...
Saturday, January 25, 2014 at 8:32pm

8th Grade History
In which region do rivers flow into a basin but evaporate before they make it to a larger body of water? A.the Coastal Plains B.the Great Plains C.the Great Basin D. the Everglades Thank ya!!! <3
Saturday, January 25, 2014 at 4:58pm

10th grade Science
Explain, physiologically, how you would decide to use ice or heat on an injury? My book doesn't have any good info on this question. Is there a reputable website or article to get info to answer this question?
Friday, January 24, 2014 at 7:27pm

8th grade math
What is the volume of a crate with the dimensions of 4ft by 3ft by 2ft?
Thursday, January 23, 2014 at 11:08pm

3rd Grade
Casey has 10 olives to eat. She wants to have the same number of olives at lunch and at dinner. She wonders how many olives she should eat at each meal. Which number sentence fits this problem?
Thursday, January 23, 2014 at 7:37pm

1st grade english
where you say a small mug in a sentence do you say small or little
Wednesday, January 22, 2014 at 3:17pm

Math
A real estate agent earns a weekly salary of $200. This week, he sells one home for $120,00 and is paid a commission rate of 5%. Find his total earnings for this week. (7th grade math)
Tuesday, January 21, 2014 at 4:01pm

5th Grade Math
Express the fraction(s) 6/7 and 12/10 as the sum of two or three equal fractional parts. Rewrite each as a multiplication equation. Any help is appreciated.
Sunday, January 19, 2014 at 4:35pm

physics
in a game a toy car slides down a slop if the top of the slope is 2 m higher than the foot of the slope how fast will the car be moving when it reaches the foot assume that all of its g.p.e is transformed to k.e (i'm 8th grade so simple answers pleas)
Saturday, January 18, 2014 at 2:10am

5th grade math
A list of numbers represents the following pattern: For each number after the first, multiply the previous number by itself, and then subtract that number. Which list does NOT represent that pattern? A. 1,1,1,1, and so on B. 2,2,2,2, and so on C. 3,6,30,870, and so on D. 4,12,...
Wednesday, January 15, 2014 at 9:26pm

5th grade math
A list of numbers represents the following pattern: For each number after the first, multiply the previous number by itself, and then subtract that number. Which list does NOT represent that pattern? A. 1,1,1,1, and so on B. 2,2,2,2, and so on C. 3,6,30,870, and so on D. 4,12,...
Wednesday, January 15, 2014 at 8:02pm

Math Project Gr 5/6
Hi im from BC and im doing a mini project on topic grade 5 and 6 math curriculum topics, please give me any links to sites where i can find information on thank you, and i dont exactly know what kind of info to add, so need help with that. like what should my list of important...
Tuesday, January 14, 2014 at 10:08pm

5th grade math
Tia collected $10 for a walk-a-thon and $ 5 from each friend. What is the total amount of donations she collected from 4 friends? Is my answer below correct? Friend - 1,2,3,4 Donations - $5, $5, $5, $5 = $20 Answer is $20 from 4 friends.
Tuesday, January 14, 2014 at 9:41pm

5TH GRADE MATH PLEASE HELP
Draw an equation or function table. The cost of shipping mittens purchased online is $2 plus $6 for each of pair of mittens. What is the total cost of buying 5 pairs? P = pair of mittens. Can you please help me with this problem?
Tuesday, January 14, 2014 at 9:23pm

5th grade math
Draw an equation or function table. The cost of shipping mittens purchased online is $2 plus $6 for each of pair of mittens. What is the total cost of buying 5 pairs? P = pair of mittens. Can you please help me with this problem?
Tuesday, January 14, 2014 at 8:06pm

Math #rd grade
Bryan has 3 nickels, 3 dimes, and 2 quarters. What fraction of the coins is either a dime or a quarter? There is a space for only 1 fraction answer.
Tuesday, January 14, 2014 at 7:48pm

8th Grade Earth Science Help?
Which of the following terms refers to the time it takes for one-half of the radioactive atoms in a sample of a radioactive element to decay? - relative age - absolute age - potassium-argon data - half-life** Is my answer correct?
Tuesday, January 14, 2014 at 7:05pm

5th grade math help
trying to check my sons answers "5 3/5 " divided by "2/3" How do i do this mom cant remember
Monday, January 13, 2014 at 10:35pm

8th Grade Algebra
Taylor's front porch is rectangular. The length is 3 feet more than the width. The perimeter of the porch is 14 feet. What is the width of the porch?
Saturday, January 11, 2014 at 6:40pm

Fifth grade math
If a wom and a sail race who will it be
Saturday, January 11, 2014 at 4:39pm

Statistic
Consider a football team for whom the numbers on the active players’ jerseys are 29, 41, 50, 58, 79,…, 10 (listed in alphabetical order of the players’ names). Does it make sense to calculate the mean of those numbers? Why or why not? 2. The Fair Isaac ...
Saturday, January 11, 2014 at 2:24pm

5th grade math
A coin is tossed twice. What is the probability of tossing 2 tails? What is the probability of tossing 1 tail & 1 head? can you please show me how to do this problem?
Wednesday, January 8, 2014 at 7:50pm

7th grade acc math prevents
How do I show on a hundred grid what 18% of 520 is? I know what the answer is but don't know how the grid can help me find the answer and that is what the teacher wants us to show. Thanks in advance!
Monday, January 6, 2014 at 11:10pm

Grade 12 Chemistry
Caprytic acid, also called octanoic acid, is an 8-carbon fatty acid that is used as a sanitizer on dairy equipment that comes in contact with milk.The acid has a molar mass of 144.21 g/mol. An aqueous solution of the sanitizer containing 12.25 g/L has a pH of 2.98. What is the...
Sunday, January 5, 2014 at 6:53pm

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