My science fair project is growing bacteria from food that is left out and seeing how much the bacteria increases over time. How would I write my hypothesis?
192,012 results, page 12

Statics
You wish to test whether or not a coin is fair, so you toss it 400 times and obtain 220 heads. Test the null hypothesis that the coin is fair and balanced against the alternative that it is not fair and balanced. Use the 1% significance level. Be sure to identify the null and ... 
Math Modeling
How is the number of cars and other vehicles changing over time? You may need to model these using different types of vehicles. i'm suppose to develop an equation for the number of cars being produced over time. i found out the number of cars that was produced every year from ... 
Biology
One benefit of the Human Genome Project is that it __________. A>significantly reduces the amount of time it takes to identify genetic factors for disease B>provides a way to map all the cells of the body C>increases the amount of work required to identify genetic ... 
probability and statistics I NEED HELP
A sixsided die is rolled 20 times and a 5 is rolled 9 times. a) State a null and alternative hypothesis for the die being fair. b) Can the null hypothesis be rejected at the .01 significance level? 
Microbiology
What kingdoms and groups of microbes are found in these two domains, Domain Bacteria and Domain Archaea? 
home economics
what happens to bacteria between tempretures five degrees and sixty three degrees 
Nutrition of the young child
Why shouldn't unmodified cow's milk be given to an infant under one year old? A.Infants are able to digest only breast milk. B.It contains too much bacteria for young babies to handle. C.It can cause an upset stomach D.Most infants are allergic to it. I pick B as my answer. ... 
Biology
What causes mutations in bacteria? and Can mutations affect plasmids? 
Algabra
Landscape designers often use coordinate geometry and algebra as they help their clients. In many regions, landscape design is a growing field. With the increasing popularity of doityourself television shows, however, many homeowners are becoming amateur landscape artists. ... 
health
1. Which food do students eat at lunch time at school in Peru? 2. Which food do students eat at lunch time at school in India? 3. Which food do students eat at lunch time at school in Brazil? Would you answer the questions? And where can I get the information? Thank you. 
microbes and society
Which of the following is the correct sequence of steps in the scientific method? Answers: a. observation  prediction  hypothesis  observation  hypothesis b. hypothesis  observation  prediction  hypothesis  observation c. observation  hypothesis  prediction  ... 
algebra
You are planning to spend no less than $6,000 and no more than $10,000 on your landscaping project. How do you write an inequality that demonstrates how much money you will be willing to spend on the project. 
algebra
You are planning to spend no less than $6,000 and no more than $10,000 on your landscaping project. a)Write an inequality that demonstrates how much money you will be willing to spend on the project. 
algebra
You are planning to spend no less than $6,000 and no more than $10,000 on your landscaping project. Write an inequality that demonstrates how much money you will are willing to spend on the project. 
HTT / 230
Nance’s Restaurant, a local independent restaurant, is evaluating new pointofsale (POS) systems and must determine if a new installation is feasible. A new POS installation would include both software and hardware, with a total cost of $20,000. Nance’s Restaurant is ... 
hypothesis test
I am confused on what statistic test I should perform. I think it should be the ttest, which I have provided below. If the ttest is correct, how do I decide if I need to reject the null hypothesis. I get really confused on these things. Null Hypothesis: The State of South ... 
Physics,Question ,Solved but about Units?
These are “pluginthenumber” tasks to familiarize you with the main formulas that link the physics concepts of this chapter. They are onestep substitutions, much less challenging than the Think and Solve problems that follow. Average speed ! total distance covered ... 
Math Problem
You are planning to spend no less than $6,000 and no more than $10,000 on your landscaping project. Write an inequality that demonstrates how much money you will are willing to spend on the project. 
Living env.
I need to do a venn diagram comparing and contrasting bacteria and virus. we havent learned anything about this yet so i don't have any notes. Thanks!! Jessie <3 
Finance
Summer Tyme, Inc., is considering a new 4year expansion project that requires an initial fixed asset investment of $1.782 million. The fixed asset will be depreciated straightline to zero over its 4year tax life, after which time it will be worthless. The project is ... 
Character Buidling
My Character Building Teacher had given me a project to write the names of the people we hate on a nonboiled raw potato, and put it inside a clear plastic, locked, and not to be opened until the project is finished. Everyday, we should take an observation of the potato and ... 
algebra
A certain population of bacteria doubles every 3 weeks. How long will it take for a population of 3,500 to triple? 
chemistry
If 45 colonies grew on the filter and 1 mL of a 105 dilution of the sample was filtered, how many coliform bacteria were in 100 mL of the original sample? 
English
Writeacher, thank you very much for all your explanations!! I think the part of the integration of the project into the students' curriculum should be improved. This is what I translated. I think certain points should be omitted. I also wanted to add a new point. 1) ... 
s
According to science, the fastest speed possible for anything is the speed of light. The speed of light is about 186,000 miles per second. That means that in one minute, light travels 11,160,000 miles. The star nearest Earth is the Sun. It's about 93,000,000 miles from Earth. ... 
English
Hello, I'm stuck with a sentence!Is "He had been living in London since he had left Cambridge " correct? Thank you ! The correct sentence is: He had been living in London since he left Cambridge. Thank you very much Ms Sue! Could you please explain why it is impossible to have... 
Finance
Cochrane, Inc., is considering a new threeyear expansion project that requires an initial fixed asset investment of $1,860,000. The fixed asset will be depreciated straightline to zero over its threeyear tax life, after which time it will be worthless. The project is ... 
Finance/Math
PLease help, I have a business finance class I am really ineed of help. I do not understand this at all. I have gone over and over the instructions and I am still getting it wrong. Please help. Year Cash Flow 1 $695,000 2 876,250 3 1,057,500 4 1,238,750 5 1,420,000 1. ... 
History: Research
I am doing a project in my class over life after the civil war and I need to answer some questions. Some of the questions are like: •what was life like for white families in the south, freed slaves, and families in the north. •where did they work? •housing, ... 
sci
would you consider an animal, like lion on top of the food chain, or the very bottom? ya never know what's out there... but ya, personally i'd consider lions at the top of the food chain. The food chain is determined by who eats whom. At the top of the food chain, that animal ... 
reading
According to science, the fastest speed possible for anything is the speed of light. The speed of light is about 186,000 miles per second. That means that in one minute, light travels 11,160,000 miles. The star nearest Earth is the Sun. It's about 93,000,000 miles from Earth. ... 
math
My niece has asked me to help with a math project. Maybe I am putting too much into it but I do not understand it. Any help would be great. It is a "Tissue Box Project". Any ideas? 
Math !_
Please help me out. Omg...i absolutley hate math. I try my best but...its just to hard for me. Ok so im working on algebraic expressions. Here i go. 1. The product of a number n and 9 2. The quotient of 21 and a number b I HAD MORE OF THOSE BUT I DID THEM. WOOOOPWOOOP.NOW FOR ... 
Science
I have a project which is to write elements of platinum and my problem is that i forgot the paper at school, so i want to know what could i write about this element. 
math
Jane has a piece of wood that is 24 inches long. She uses 6 inches for one project and 9 inches for another project. How much wood does Jane have left? 
science
With the growing human population, many researchers argue that nuclear energy may be the only available option as to fuel the needs of out rapidly expanding population. How would you address this caveat to coal and other nonrenewable resources? 
Math
Directions: Follow the instructions below to design a fair race for the new video game Animal Tracks. 1. Choose two animals with different speeds. You can choose from the chart that starts at the bottom of this page or do research to choose your own. (I chose elephant which is... 
Reading skills
According to science, the fastest speed possible for anything is the speed of light. The speed of light is about 186,000 miles per second. That means that in one minute, light travels 11,160,000 miles. The star nearest Earth is the Sun. It's about 93,000,000 miles from Earth. ... 
math
1.If john served fruit punch in 8 ounce cups to a class on Monday. Mr. Roberts found tat there were 12 cups in the trash. Explain what is unknown. 2.John served fruit punch in 8 ounce cups to a class on Monday. Mr. Roberts saw that their are 12 cups in the trash. Write an ... 
maths plse help me..
if the no. of bacteria doubles everyday and on the 16th day , a jug becomes full . then on which day was it half filled? 
Precalculus
A population of bacteria has exponential growth and will double after 10 hours. Find the growth rate to the nearest hundredth. 
Math
Seth has already walked 5/8 mile. It takes 1 3/8 miles to get to school. How much farther does he have to go? 3/4? Aviva needs fresh lemon juice to make cheesecake. She bought 2 lemon but needed only 1 1/4 lemons for the amount of juice she needs. How much lemon does she have ... 
Science project fair
Hello: My daughter is in 4th gde and is about to turn in her displayboard but we are not coming up with a good title. She wants to title it "Flowers with sweet tooth". In her science projct she has discovered that sugar helps cut flowers live longer than with just water. Do ... 
Math
Write the compound statement in symbols. Let r = The food is good, p = I eat too much, q = I'll exercise. If the food is good and I eat too much, then I'll exercise. 
math
1.If john served fruit punch in 8 ounce cups to a class on Monday. Mr. Roberts found tat there were 12 cups in the trash. Explain what is unknown. 2.John served fruit punch in 8 ounce cups to a class on Monday. Mr. Roberts saw that their are 12 cups in the trash. Write an ... 
math
1.If john served fruit punch in 8 ounce cups to a class on Monday. Mr. Roberts found tat there were 12 cups in the trash. Explain what is unknown. 2.John served fruit punch in 8 ounce cups to a class on Monday. Mr. Roberts saw that their are 12 cups in the trash. Write an ... 
Statistics
A reseacher would like to determine whether a change in lighting to full spectrum light bulbs increases productivity on an assembly line. A sample of n= 36 participants is obtained, and the light bulbs over the line are replaced. under general/historical operating procedures, ... 
Algebra
The school photography club charges $10 for each photo in its annual pet photo contest. The club wants to save $75 of its earnings for a pizza party. The club members also want to have at least $50 left over after the pizza party to pay for other club expenses. Write an ... 
science
A new plant, growing from a single leaf, is an example of sexual reproduction. True or False? Thanks. Please only post your questions once. Repeating posts will not get a quicker response. In addition, it wastes our time looking over reposts that have already been answered in ... 
Science  Please Check
Suppose that the local temperature changes in favor of greater oxygen levels in the water. Write a short paragraph to describe how both the population of the small fish species and wading bird population would change in response to the new oxygen levels over the next six ... 
Biology
single celled prokaryotes like the bacteria and archaea are the dominant and most diversified groups of living forms today. does this support their ancient origins? Explain 
Science
Have to answer these in a reflection. Help? How has science evolved over time? How is human ingenuity portrayed in sciences? In what ways have humans shaped science? In what ways has science shaped our lives? What would the world be like without science? In what way has ... 
Math
When trying to figure up sales tax on a problem how would one write it out I have searched the site some say 1.05 some say 0.05 and something about moving a decimal over 2 spaces to the left. Im not getting it Like the problem is 3 shirts is 9.99 ea we know this is $29.97 then... 
analysis and design
5.2 Project Risks [Use this section to list at least five risks factors and their potential impacts for the project.] # Risk Area Likelihood Risk Owner Project ImpactMitigation Plan 1 [Project Risk] [High/Medium/Low] [Replace this text with a description of the Mitigation ... 
Science
Most bacteria are A: unicellular eukaryotes B: unicellular prokaryotes C: multicellular eukaryotes D: multicellular prokaryotes Is the answer B? 
Science
Most bacteria are a. unicellular eukaryotes b. unicellular prokaryotes c. multicellular eukaryotes d. multicellular prokaryotes is the answer d or c? 
Psyc
Hypothesis (H): Two semesters of the Florida Curricular Program/FCP will raise the IQ of 400 male and female experimental children as measured by the Scott Intelligence Test (SIT). 1. Design a Punnett square and identify all participants by 4 cell variables. 2. Change the ... 
English
Writeacher, I left out an email I need to write to a school's principal. I really need to "persuade" him to start a school exchange programme. I wonder if you could help me check it. I didn't include tje presentation of the school because you have already checked it. Our ... 
Nutrition of the young child
Why shouldn't unmodified cow's milk be given to an infant under one year old? A.Infants are able to digest only breast milk. B.It contains too much bacteria for young babaies to handle. C.it can cause an upset stomach. D.Most infants are allergic to it. I chose B as my answer ... 
statics
If a court acquits every defendant, they will never commit a Type I error. A) True B) False 2. The probability of rejecting a true null hypothesis increases as the sample size increases. A) True B) False 3. For a given level of significance, the critical value of Student's t ... 
Science
What is time dilation refers: to increasing time factors as one's speed increases I can not find any information on this 
Microbiology
Two types of prokaryotic cells have been distinguished: bacteria and archaea. How do these cells differ from each other? How are they similar? 
math
A culture of bacteria grows exponentially. It doubles in size every 16 hours. How long will it take to triple from its original size? 
science
which type of microbe reproduces by producing spores? Bacteria can reproduce by spores when the environment becomes harsh. Usually they reproduce by cell division. Another microbe that reproduces with spores is Microsporidia. Of course, many larger plants such and fungi and ... 
1st grade Math Fair
My school is planning a Math Fair. Each grade will compete with same grade team members. The rules are: TO make it fun and use Al. math strands . The problem is I don't know where or how to begin this project. Can anyone help? 
science
__1.a condition that damages or weakens part of the body __2.the passing of characteristics from parents to their children __3.an organism or virus that causes disease __4.pathogens that can be seen only with a microscope __5.the smallest microbes that cause disease __6.the ... 
PreCalculus/Math
a slow growing population of animals increases with time (years). the size of the population is given by P(t)=100+0.6t^20.004t^3. how fast is the population changing after 10 years? 
Finance
Nancy Tai recently opened a revolving charge account with Mastercard. Her limit is $1000, but she has not charge that much since opening the account. Nancy hasn't had the time to review her monthly statements as promptly as she should, but over the upcoming weekend,she plans ... 
math
A certain antibioyic reducesthe number of bacteria in your body by 10% each dose a) if four doses of the antibiotic are taken, what percent of the original bacterial population is left. b) biologists have determined that when a person has a bacterial infection, if the ... 
English
1. Solar energy will never give out. 2. Solar energy will never run out. (Are both the same?) 3. We bought many foods. 4. We bought much food. (Which one is right? Are both OK? Is food a material noun, a common noun or a collective noun? In dictionaries, we sometimes see the ... 
ELA
This Is a Argumentative Essay On Plymouth,Massachusetts, Can you see if I need some corecctions? Plymouth, Massachusetts “The cowards never started and the weak died along the way” It is applied to the Plymouth Pilgrims, who clearly had obtain courage, strength, and faith ... 
science very urgent help?
Susan has heard that taking an overthecounter ‘energy’ pill, which contains as much caffeine as a strong cup of coffee, makes people feel alert and ‘speedy’. She wonders if taking this pill will make a difference to the reaction times of people doing an online ... 
buckey trail
How much time will elapse between seeing and hearing an event that happens 400.0 meters from you and the temp is 20 derees celcius? 
Math (Calculus II)
Rate of change proportional to size: P(t)= P(i)e^kt, where P is population, t is time, k is a constant and P(i) is the initial p or "p naught"; sorry, I don't know the typed notation for subscript. By the way, p(i) is given as 100. The problems are a.) "Find the expression ... 
Math (Calculus II)
Rate of change proportional to size: P(t)= P(i)e^kt, where P is population, t is time, k is a constant and P(i) is the initial p or "p naught"; sorry, I don't know the typed notation for subscript. By the way, p(i) is given as 100. The problems are a.) "Find the expression ... 
Science
I have been thinking of something to do for my schools science fair for weeks and my teacher keeps telling me that i can't do my idea because its too easy for an honors student. I'm all out of ideas and I need help! Please! 
math
Dan had to complete the remaining 1/3 of his science project this week. On Monday, he completed 4/5 of the work he had left to do. What part of the entire project did Dan complete on Monday? 
earth science
which of the following is NOT a major component of soil a)mineral matter b)air c)humus d)earth worms 2) a soils texture is determined by a) mineral composition B)type of humans c)water content d)particle size 3)the main source of organic matter in soil is a)water b)plants*** c... 
Science
Say you had a pond that initial had 30 fish. There was 3 fisherman collecting at least 2 fish to feed their family, They fish for 3 seasons ? At the end of the day you would double the fish whatever you had left. $5 a fish What happened to amount of food and money each person ... 
English
We will be seeing it on our field trip to Philadelphia. would the complete predicate be will be seeing it on our field trip to Philadelphia and the verb be will be seeing? 
English
We will be seeing it on our field trip to Philadelphia. Would the complete predicate be will be seeing it on our field trip to Philadelphia and the verb be will be seeing? 
Math HELP!
Use benchmarks to estimate the sum, difference, or product. 1.) 1 7/8 + 1/9 0 1 2 2 1/2 2.) 8 8/9  5 1/11 4 5 14 11 3.) 7 2/3 x 3 7/9 2 3/27 11 4/9 28 26/27 21 14/27 4.) Walter had 2/4 yard of string. He used 1/2 of the string for a school project. How many yards of string ... 
Probability and Linear Math
SET UP BUT DO NOT SOLVE THE FOLLOWING LINEAR PROGRAMMING PROBLEM. A financier plans to invest up to $500,000 in two products. Project A yields a return of 10% on an investment, whereas Project B yields a return of 15% on the investment. Because the investment in Project B is ... 
MGT 496 Research Project I
I am doing a Action Research Project on a problem within my company that I am employed with. The problem is using manual time sheets and how to resolve this issue. What I need is to find companies that have had problems with manual paper time sheets and find out how they ... 
Broadcast writingRevised
FYI: It is in all caps because with this class our teacher recommends us to write this way because it's easier to read out loud. I revised it A UNIVERSITY STUDENT RAN INTO HER PROFESSOR AT SCHOOL THE SAME DAY SHE PRETENDED TO BE SICK. NAOMI BUSH SAYS BECAUSE SHE DID NOT FINISH... 
Calc
We assume that an oil spill is being cleaned up by deploying bacteria that consume the oil at cubic feet per hour. The oil spill itself is modeled in the form of a very thin cylinder as depicted below. Its height is the thickness of the oil slick. We assume that an oil spill ... 
math
A bacteria population is currently exactly one million and increasing at a linear rate of 15 per second. What will the population be in two weeks? 
biology
A bacterial strain divides once every 30 minutes. After 90 minutes, a single bacterium can form a total of ___ bacteria 
Credit and Taxes
Please Help me! Nancy Tai has recently opened a revolving charge account with MasterCard. Her credit limit is $1000, but she has not charged that much since opening the account. Nancy hasn't had the time to review her monthly statements as promptly as she should, but over the ... 
History
How did Pp Dick Cheney's net worth change after he left his position as secretary of defense under ReaganBush but before he became VP? Who employed him? Any information regarding his net worth over time and who employed him over the years would be most helpful. 
Character Buidling
My Character Building Teacher had given me a project to write the names of the people we hate on a nonboiled raw potato, and put it inside a clear plastic, locked, and not to be opened until the project is finished. Everyday, we should take an observation of the potato and ... 
science
a hypothesis organize the state thethe problem choose a  test your write the 
science
how do i write a hypothesis for non truebreeding plants, i am in 7th grade 
MAT 116 Algebra 1A
Appendix D Landscape Design Landscape designers often use coordinate geometry and algebra as they help their clients. In many regions, landscape design is a growing field. With the increasing popularity of doityourself television shows, however, many homeowners are becoming ... 
Organziation
Today, while I was at the library during 7th period (in my class we were going to the library) I saw this award my library teacher have. It says Disey Planet Challenge. I asked my libaray teacher about it and she said it's a huge compitetion. You see in some schools like in ... 
Algebra
Nikki noticed that is she stacked her dollar bills in stacks of 6 she had 3 left over, stacks of 8, 7 left over, and stacks of 4, 4 left over. If she knows she has less than 100 dollars, how many bills left if she had stacks of 7?? 
Physics/Science
I'm in 7th grade and I have a writing assignment that our teacher said "do your best" as an explanation. My best would be to call out sick the rest of the year! Hear goes. Explain the scientific accomplishments of Stephen Hawking. How dis his accomplishments affect he world? ... 
algebra
A tiger can eat food that weighs up to 15% of its body weight. If a tiger can eat 75 pounds of food, how much does a iger weigh? Write and solve a percent proportion> 
Algebra
You are playing with a pile of beads and notice if you put them in groups of 4 you have 3 beads left over, in groups of 5 you have 4 beads left over and in groups of nine you do not have any left over. What is the smallest number of beads. Left over 
Math
Femi spent 1/4 of his money on transport, 2/5 on food and has #700.00 left. how much did he start with?