Saturday
February 13, 2016

# Posts by HELEN

Total # Posts: 472

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

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

Is #1 A or D?
February 2, 2016

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
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

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

Identify four research sources that provide context for at least three activities of strategic leaders.
April 15, 2014

Geometry
The word cosine literally means "the complement of the sine." Write a paragraph explaining how complements of sine and cosine are connected. I know that the sine and the cosine of complementary angles are the same. but how can i add more details/write a paragraph?
April 15, 2014

Some people believe in the force (yes, like in Star Wars). To test if young Anakin Skywalker has the force with him, he is told that some cards that Yoda can see but Anakin cannot contain a picture of a planet, a lightsaber, a laser rifle, or a spaceship. As Yoda looks at 20 ...
April 3, 2014

Help ASAP Statistic
. A new medical test provides a false positive result for Hepatitis 2% of the time. That is, a perfectly healthy subject being tested for Hepatitis will test as being infected 2% of the time. In research, the test is given to 30 healthy (not having Hepatitis) subjects. Let X ...
April 2, 2014

Chemistry 2
I just wanted to compare my answer with the answer that i will be getting.. This is what I have: Exothermic reaction starts at a higher energy value and ends at a lower energy value. In an exothermic reaction, we know that energy is given off in the form of heat. This energy ...
March 31, 2014

Chemistry 2
Compare endothermic and exothermic reactions in terms of potential energy, heat flow, and observed temperature changes. Explain your answer in complete sentences.
March 31, 2014

DrBob222
Wait wait, nevermind, check this one: In freezing, the amount of energy in the reactants is lower than the resulting amount of energy in the products. This means that the line graph starts at a lower energy value (representing the potential energy of the reactants) and ends at...
March 31, 2014

DrBob222
March 31, 2014

chemistry
In freezing, the stronger attraction that results in closer/shorter bonds (though the overall density increase due to the highly ordered structure) than in melting water so the potential energy is lower.
March 31, 2014

chemistry
Freezing and melting are two different physical changes that involve the same amount of energy. In an exothermic reaction, the amount of energy in the reactants is higher than the resulting amount of energy in the products. This means that the line graph starts at a higher ...
March 31, 2014

chemistry
March 31, 2014

chemistry
Freezing and Melting are two different physical changes that involve the same amount of energy. compare and contrast the potential energy diagrams that would represent each of these processes. Be specific in your comparison.
March 31, 2014

check one question statistic
For the scenario below, determine if the experiment describes a geometric distribution. If it is not a geometric setting, state why. if it is a geometric a) the two outcomes head or not head b) What constitutes one trial Flip a coin constitutes a flip coin c) the probability ...
March 31, 2014

Statistic
thanks
March 30, 2014

Statistic
consider caleb the basketball player. In a game, he shoots 10 free throws. In the year, he makes 70% of his free throws. Is this a binomial setting? Fully explain your response.
March 30, 2014

statistic
here are five seniors in a class, for each situation, write how the binomial formula is used to calculate the probability. a) In how many ways can you choose one senior to represent the group? b) In how many ways can you choose two seniors to represent the group? c.) In how ...
March 30, 2014

*****Help Statistic
Imagine taking a 10-question true or false exam. You randomly guess at each question. Don't do any calculations, just tell me your first impressions a). Is this a binomial setting? b) How many question do you think you would get correct? c). How surprised would you be if ...
March 26, 2014

Canvas art
Who paints using the name Cobot
March 20, 2014

Canvas art
Who paints using the name Cabot
March 20, 2014

statistic****help*****
if three coins are tossed, what is the number of equally likely outcomes? 3 4 6 8 9
March 19, 2014

help ASAP Statistic
The tests done to determine if someone is HIV positive are called Enzyme immunoassay or EIA tests. The test screens a blood sample for the presence of antibodies to HIV. Like most tests, this test is not perfect. The table below shows the approximate probabilities of positive ...
March 17, 2014

The tests done to determine if someone is HIV positive are called Enzyme immunoassay or EIA tests. The test screens a blood sample for the presence of antibodies to HIV. Like most tests, this test is not perfect. The table below shows the approximate probabilities of positive ...
March 17, 2014

Teenage drivers pay more for automobile insurance than older drivers. Also, many insurance companies offer discounts for teenage drivers that achieve good grades. Assume that 20% of all teenage drivers are involved in accidents each year. Assume that 10% of all teenage drivers...
March 16, 2014

statistic
thanks a bunch
March 16, 2014

statistic
You draw one card from a shuffled standard deck or cards (cards are in four suits-red diamonds, red heart, black clubs and black spades-and are numbered 2,3,4,5,6,7,8,9,10, J,O,K,A). A.What is the probability of drawing a red card B.What is the probability of drawing a queen c...
March 16, 2014

Statistic
In a survey of students at a local high school, 30% of the students said they liked tater tots and 15% of the students said they like French fries. If every one of the students who said they like French fries also said they like tater tots, what proportion of the students ...
March 14, 2014

statistic
You draw one card from a shuffled standard deck or cards (cards are in four suits-red diamonds, red heart, black clubs and black spades-and are numbered 2,3,4,5,6,7,8,9,10, J,O,K,A). A.What is the probability of drawing a red card B.What is the probability of drawing a queen c...
March 14, 2014

statistic
Thank you
March 13, 2014

statistic
For each of the following, assume you are working with a standard deck of 52 cards. There are 13 cards (2,3,4,5,6,7,8,9,10, jack, queen, king and Ace) in each of four suits (Clubs, Diamonds, Hearts, and Spades). a. What is P(Club) when drawing one card? b. What is P(Jack) when...
March 13, 2014

Math
Kimberly is 3 times as old as her sister, Halley .Find the ratio of Kimberley"s age to Hallet"s age. Give your answer in fraction form.
February 20, 2014

physic
A cheetah is crouched in ambush 20m to the east of an observers blind. At time t=0 the cheetah charges an aeroplane in a cleaning 50m east of the observer. The cheetah runs along the straight line.
February 19, 2014

physic
A cross- country skier skis 7.40km in the direction of 45⁰ East of South, then 2.8 km in the direction 30⁰ North of East, and finally 5.2km in the direction 22⁰ West of North. How far is the shier from the starting point?
February 19, 2014

physic
The concorde is the fastest airliner used for commercial service. It can cruise at 1450mi/hr. What is the cruise speed of the concorde in miles/s?
February 19, 2014

Statistic
1. For this assessment, explicityly state the five steps of a simulation and carry out the simulation. Use the random digit table. A basketball player makes 80% of her free throws. Recently during a very close game, she shot 5 free throws near the end of the game and missed 3 ...
January 30, 2014