Friday
August 26, 2016

Posts by HELEN

Total # Posts: 509

Algebra
The Patterson family and the bell family each used their sprinklers last summer. The wayer output rate for the patterson family's sprinkler was 25 L per hour. The water output rate for the bell family's speinkler was 15 L per hour. The familiez used their sprinklers ...
July 26, 2016

Physics
A light, rigid rod 1.039m in length joins two particles with masses 3.65kg and 4.94kg at its ends. The combination rotates in the xy plane about a pivot through the centre of the rod. Determine the angular momentum of the system about the origin when the speed of each particle...
July 5, 2016

math
the average age of a family of eight is 30 year .the average age of the children in the family is 19years .if the mother is four years younger than the father ,calculate the age of the father
June 26, 2016

math
a man spent 1/4 of his monthly salary on rent ,2/5 on food and 1/6 on books. If he still had ghana 55000 left what was his monthly salary
June 26, 2016

Math
So are there infinite solutions?
May 23, 2016

Math
How many solution are there in the following system of equations? x=-6y+4 2x+12y=8 Please help me and explain it to me! I would really appreciate if you guys answered it!
May 23, 2016

Reading
The West Wind It’s a warm wind, the west wind, full of birds’ cries; I never hear the west wind but tears are in my eyes. For it comes from the west lands, the old brown hills, And April’s in the west wind, and daffodils. It’s a fine land, the west land, ...
May 11, 2016

Math
Determine whether the statement is true or false. Explain. "The median divides the box of a box-and-whisker plot in half." I think it is true but I can't think of an explanation.
May 3, 2016

Geometry
A square pyramid has a surface area of 175 square inches. The square base has side lengths of 5 inches. Find the slant height of the pyramid.
April 6, 2016

Math
A company will make a cereal box with whole number dimensions and a volume of 100 cubic centimeters. If cardboard costs $0.05 per 100 square centimeters, what is the least cost to make 100 boxes? (Please help me!!)
April 5, 2016

Math
A company will make a cereal box with whole number dimensions and a volume of 100 cubic centimeters. If cardboard costs $0.05 per 100 square centimeters, what is the least cost to make 100 boxes? Please help me, I have no clue how to solve.
April 5, 2016

Math
Please help me. This is the second time posting it after waiting for several hours.
April 3, 2016

Math
Explain how you could find the volume of a pyramid given a prism with the same base are and height. Justify your answe
April 3, 2016

Math
Explain how you could find the volume of a pyramid given a prism with the same base are and height. Justify your answer.
April 3, 2016

Math
Thanks!
April 3, 2016

Math
What fraction of the volume of the rectangular prism is the volume of the rectangular pyramid?
April 3, 2016

Math
Suppose Cylinder A has the same height but twice the radius of Cylinder B. What is the ratio of the volume of Cylinder B to Cylinder A?
March 30, 2016

Math
How does changing the dimensions of a cylinder affect the cylinder's volume?
March 30, 2016

Reading
Of all the gods and goddesses of Olympus, perhaps none was loved by humans as much as Demeter. Demeter was the goddess of the soil and of the crops, to which she tended with great care all through the year. Demeter enjoyed her duties because she cared for mortals and wanted to...
March 16, 2016

Reading
Please help and check my work! By the way, #1 is actually D.
March 16, 2016

Reading
Of all the gods and goddesses of Olympus, perhaps none was loved by humans as much as Demeter. Demeter was the goddess of the soil and of the crops, to which she tended with great care all through the year. Demeter enjoyed her duties because she cared for mortals and wanted to...
March 16, 2016

Reading
Of all the gods and goddesses of Olympus, perhaps none was loved by humans as much as Demeter. Demeter was the goddess of the soil and of the crops, to which she tended with great care all through the year. Demeter enjoyed her duties because she cared for mortals and wanted to...
March 16, 2016

Reading
1 is D.
March 16, 2016

Reading
Is the answer to #1 A?
March 16, 2016

Reading
Of all the gods and goddesses of Olympus, perhaps none was loved by humans as much as Demeter. Demeter was the goddess of the soil and of the crops, to which she tended with great care all through the year. Demeter enjoyed her duties because she cared for mortals and wanted to...
March 16, 2016

Reading
Please Check!
March 16, 2016

Reading
Of all the gods and goddesses of Olympus, perhaps none was loved by humans as much as Demeter. Demeter was the goddess of the soil and of the crops, to which she tended with great care all through the year. Demeter enjoyed her duties because she cared for mortals and wanted to...
March 16, 2016

chemistry
a 500ml stock solution of NAOH has a purity of 70% and a density of 1.9g/ml. calculate the concentration that would be in a 1L solution. calculate the molarity. What volume would we have to take to prepare 250ml of a solution of 0.1 mol/l
March 12, 2016

Math
Angles K and O are supplementary. If measurement angle K= 3x+10 and measurement angle O= 10x-12, find the measure of each angle. I don't understand how to solve.
March 7, 2016

Math
thanks
March 7, 2016

Math
The statement is "An obtuse angle and an acute angle are always supplementary."
March 7, 2016

Math
Determine whether the statement is true or false. If the statement is true of false explain why. Can you please help?
March 7, 2016

Math
so is it 1/6*1038?
March 6, 2016

Math
Susan tossed a die 1,038 times. Which of the following would be a good estimate of the number of times she got the number 3 on the die? A: 186 B: 128 C: 306 D: 273 Can someone please help and explain this to me?
March 6, 2016

Math
Explain what happens to the volume of a prism when its dimensions are tripled. Answer: Is the volume going to be 9 times larger
February 24, 2016

Math
How does changing the dimensions of a figure affect its perimeter? area?
February 21, 2016

Chemisty
Find the mass in grams of 2 x 10^23 of F2 (12.6 grams of F2)
February 17, 2016

Math Scale Drawing
The length of a classroom is 30 ft. What is the scale factor if the length of the classroom on the scale drawing is 3.6 inches?
February 10, 2016

Math
The length of a classroom is 30 ft. What is the scale factor if the length of the classroom on the scale drawing is 3.6 inches?
February 10, 2016

Math
The length of one side of the school building is 100 feet. if you use a scale factor of 1:250, what is the length of your scale drawing? Please help me and explain how you get your answer!
February 10, 2016

Reading
Ernest Hemingway's first job was as a newspaper writer in Kansas, at the age of 17. He wrote about everything that happened at the local police station, the train station, and the hospital. Hemingway worked for the newspaper for six months. The Red Cross then hired him to ...
February 2, 2016

Reading
Is #1 A or D?
February 2, 2016

Reading
His first fight was for his health and vigor. It all began at the age of nine. As a child, he was weak and thin because of his asthma. His father, the first Theodore, motivated him to fight his ill health. On the third floor of the house in New York where he was born, his ...
February 2, 2016

Math
oh Latonia has the greater percent
January 26, 2016

Math
Both are 36
January 26, 2016

Math
The chart shows the total number of students in two school orchestras and the number of students in each orchestra who play string instruments. Which orchestra has the greater percent of its members as string instrumentalist? Orchestra Number of String Players Glenshire 43 ...
January 26, 2016

Math
42<-6d = d<-7
January 11, 2016

Physics
1. A steam engine converts 150 kg of water completely to steam. The process involves transfer of 4 x 10^8 J as heat. If steam escaping through the safety valve does 2 x 10^8 J of work against outside atmosphere, the net change in the internal energy is: a. 2 J b. 2 x 108 J c. ...
December 20, 2015

Grammar
For #12, I meant to put simple
December 16, 2015

Grammar
Label each sentence below as simple, compound, complex, or compound-complex. 1. You can enter the data, or you can interview the candidates. (compound) 2. No one knew the man, and no one asked his name. (compound) 3. After the officer pulled Tim over, Tim began to cry, and the...
December 16, 2015

Grammar
Thank You!
December 16, 2015

Grammar
Find the simple subject and simple predicate of this sentence. We have to leave immediately to go to the meeting at the recreation center. the simple subject is we and the simple predicate is have because to leave is an infinitive phrase
December 16, 2015

Grammar
No, I was asking if all the "to" were preposition in the sentence
December 16, 2015

Grammar
are all of them a preposition
December 16, 2015

Grammar
ok thanks
December 16, 2015

Grammar
For each word, label the parts of speech. We have to leave immediately to go to the meeting at the recreation center. 1. pronoun 2. verb 3. verb 4. verb 5. adverb 6. verb 7. verb 8.preposition 9.adjective(article) 10.noun 11. preposition 12. adjective (article) 13. adjective, ...
December 16, 2015

Biology
breaks diwn immune system noo
December 15, 2015

Grammar
For decades, centuries even, the most common way to train a dog was to punish the dog when it did something wrong. This is known as negative training. Often, a choke chain would be used. If the dog did something wrong, such as jumping up on someone or chasing a squirrel, the ...
December 14, 2015

Grammar
ok thanks
December 14, 2015

Grammar
D?
December 14, 2015

Grammar
Today, it is common to open the newspaper and see that a famous musician is being sued for stealing music from another famous musician. Sometimes, the issue is that a very small section of a song sounds like a song that had been written before. Sometimes, the issue is that a ...
December 14, 2015

Language Arts
ok thank you
December 6, 2015

Language Arts
Are these right? My aunt discovered a skunk under her porch and called the Humane Society for help in removing it. *simple sentence Some committee members preferred either a musical comedy or a mystery. *simple sentence
December 6, 2015

Math
The table shows how many hours Catalina spent babysitting during the months of April and May. a. If Catalina charges $6.50 per hour, what is the percent of change in the amount of money earned from April to May? Is it a change of increase of decrease? b. What is the percent in...
December 5, 2015

math
How can $12,600 be split between two investments, one paying 6% annually and one paying 8% annually so that the interest from the two accounts equals $864
October 21, 2015

Gr.11 Biology
In guinea pigs, black cot is dominant to albino. Rough coat us dominant to smooth coat. A black smooth guinea pig was mated with an albino rough guinea pig. Their offspring were black rough and black smooth. If these were the only produced over a period of years of matings, ...
October 6, 2015

Gr. 11 biology
Your aunt moves out of the town and leaves you her mouse, Henry. In order to make some money, you decide to breed mouse and sell the offspring. In looking over Henry's family history, you discover that Henry's grandfather expressed a rare genetic disorder which leads ...
October 3, 2015

Gr.11 Biology
Thank you :)
October 3, 2015

Gr.11 Biology
In humans, muscular dystrophy is a condition in which the muscles waste away during early life, resulting in death in the early teens. It is due to recessive sec-linked gene. A certain couple have 5 children- 3 boys, ages one, three and ten; and 2 girls, ages five and seven. ...
October 3, 2015

Math
Connor ran around the 1/4-mile track 15 times! Express the distance he ran as a mixed number.
September 23, 2015

Data management
Which of the following three events is more likely to happen that a person get a) At least 1 six when 6 dice are rolled; b) At least 2 sixes when 12 dice are rolled, or c) At least 3sixes when 18 dice are rolled. Explain why.
July 26, 2015

Data management
Problems solving with Matrices [-3 1] * [ 4 7 0] 2 5 -3 -5 1 I'm stuck with this matrices. Please help me~~
July 23, 2015

Math
Determine the probability of drawing two cards from a deck( without replacement) and getting the same suit using 1) conditional probability 2) combinations
July 14, 2015

Math
Ali has 250 songs on her MP3 player. Of those, 150 are dance songs, 50 are R&B songs, and 30 songs are both dance and R&B. 1) when Ali has her player on shuffle, what are the odds in favour of her hearing a dance song that is not an R&B song? 2) what are the odds against her ...
July 12, 2015

Math
Suppose that a graphing calculator is programming to generate a random natural number between 1 and 10 inclusive . What is the probability that the number will be prime?
July 10, 2015

Math
nPr=6720 and nCr=56, then the value if r is___?
July 8, 2015

Data management
In the expansion of (1+x) to the power of n, the first three terms are 1-0.9+0.36. Find the values of x and n.
July 8, 2015

Gr.12 data management
There are 52 white keys on a piano. The lowest key is A. The Keys are designated A. B, C, D, E, F, G in succession, and then the sequence of letters repeats, ending with a C for the highest key. A) if five notes are played together simultaneously, in how many ways could the ...
July 8, 2015

chemistry
Explain the following quote with your understanding of the concept of gas mixtures (Ch. 10 concepts) and the composition of “common air” (i.e. the air in the atmosphere). Inflammable air is hydrogen. “By the experiments... it appeared that when inflammable air ...
May 30, 2015

Algebra
Assignment 1: LASA 2: The Apportionment Problem You are a census officer in a newly democratic nation and you have been charged with using the census data from the table below to determine how 100 congressional seats should be divided among the 10 states of the union. State ...
May 23, 2015

English
What is wrong with this sentence? Although they seemed inflamed, the site of the previous craniectomy seemed free of defect.
May 19, 2015

Chemistry
determine the mass of titanium and iodine that react if 1.38 x 10 to the third kJ of heat emitted by the reaction
May 2, 2015

Chem
What mass of KCl in grams is formed when 2.00lbs of KClO3 is decomposed?
April 12, 2015

Calculus 2 - Series
Ahh, for the first problem, I wasn't sure if I was supposed to plug in numbers (1-5) or if there was a particular number I was to plug in rather than randomly, but now realizing that it's between a1-a5 with the numbers accordingly. And for the second problem, I was ...
March 29, 2015

Calculus 2 - Series
I am so confused on how to do series problems...especially these. How can you tell the pattern and determining the formula for them? Can someone please help? 26) Write the first five terms of the sequence {an} whose nth term is given. an = (n + 3)/(2n − 1) a1 = ? a2 = ? ...
March 29, 2015

Probability
i dunno
March 7, 2015

Health
Its B
February 19, 2015

algebra
An advertising agency conducted a survey and found that the number of units sold, N, is related to the amount, a, spent on advertising (in dollars) by the following formula:
February 18, 2015

Math
Tension wants to build a soccer field for his team. The area of the field should be 125 square feet. The width is 1/5 of the length. What are the dimensions of the field?
January 29, 2015

Sociology
How can I get an essay in Sociology?
December 9, 2014

finance
Suppose an investment offers to triple your money in 36 months (don’t believe it). What rate of return per quarter are you being offered
October 17, 2014

math
Valerie and Bret have a total of 24 dog show ribbons.Bret has twice as many ribbons as Valerie.How many ribbons does each have?
October 6, 2014

physics
W=f×d=65×16=1040j
September 30, 2014

physics
W=f×d=65N×16m=1040j
September 30, 2014

physics
A woman raises a 65N box 16m in 4 seconds.Calculate the work done by the woman on the box
September 30, 2014

Finite Math
suppose x sheets from a 500 sheet ream of paper have been used. Write an algebric expression to represent the number of sheets that are left
July 29, 2014

chem
How many moles of carbon, hydrogen, and oxygen are present in a 100-g\rm g sample of ascorbic acid?
July 20, 2014

chem
How many moles of carbon, hydrogen, and oxygen are present in a 100-g\rm g sample of ascorbic acid?
July 20, 2014

English
Words to choose from: Commemorate, complacent, consensus, deplete, diligent, empathy, menial, niche, transcend, and waive At Eastman High School reunions, the conversation usually gets around to the question “who was our best teacher?” And year after year, the (1) ...
July 3, 2014

economics
To save on gasoline expenses, Edith and Mathew agreed to carpool together for traveling to and from work. Edith preferred to travel on I-20 highway as it was usually the fastest, taking 25 minutes in the absence of traffic delays. Mathew pointed out that traffic jams on the ...
July 3, 2014

  1. Pages:
  2. 1
  3. 2
  4. 3
  5. 4
  6. 5
  7. 6
  8. Next>>