Sunday
August 2, 2015

Posts by diana


Total # Posts: 771

mathematics :integration
A particle moves in a straight line through a fixed point O with velocity (4-t)m/s find an expression for its displacement S from this point given that S=5 when t=0
July 6, 2015

mathematics : intergration
A particle moves in a straight line through a fixed point O with a velocity (4-t)m/s find an expression for its displacement S from this point given that S=S when t=0
July 6, 2015

Science
What is the difference between convex and concave lenses??
July 3, 2015

mathematics :geometric progression
The first three terms of a geometric progression are K-3,2K-4,4K-3 in that order find the value of K and the sum of the first 8 terms of the progression
June 30, 2015

mathematics
It's a question in mathematics under geometric progression
June 28, 2015

Hill school
The first three terms of a geometric progression are K-3,2K-4,4K-3 in that order find the value of K and the sum of the first 8 terms of the progression.
June 28, 2015

Science
What is the density of a substance with a mass of 0.0450 kg and a volume of 26.4 ml
June 10, 2015

Science Help Plzz
1. The images above show particles in a medium. Which of the following shows the worst conditions for a sound wave travel? A B C D is the answer A? Which of the following correctly describes a radio wave? A long wavelength and high frequency B long wavelength and low frequency...
June 2, 2015

science
The mass of a beaker containing a sample of sodium dichromate was determined to be 68.9 g. After transferring a sample it weighed 56.424 g.Determine the mass (g) of sodium dichromate transferred to the correct number of decimal places
May 3, 2015

Physics
Two plane mirrors are positioned at right angles to one another. A ray of light strikes one mirror at an angle of 30° to the normal. It then reflects toward the second mirror. What is the angle of reflection (from the normal) of the light ray OFF the second mirror? I would...
April 17, 2015

Physics
A person whose eyes are 1.50 m above the floor stands in front of a plane mirror. The top of his head is .10 m above his eyes. How far above the floor should the bottom edge of the shortest possible mirror be placed? I know that I need to take half of a number. I just don'...
April 17, 2015

english
To compose strong, compelling sentences, avoid using A. clauses as modifiers. B. forms of the verb to be. C. dependent clauses. D. short, simple sentences. my answer is b.
April 11, 2015

english
Which of the following techniques would be best used to present constructive feedback on a draft of an essay to a peer? A. Rewrite sections for your peer B. Only write notes on the things you like about it C. Point out the negative aspects so your peer can improve D. ...
April 11, 2015

English
Which of the following sentences uses a coordinating conjunction in a compound sentence? A. The budget payment is much higher than we anticipated, but the price of heating oil has skyrocketed this year. B. Out in the yard, the children shouted loudly and threw silly insults at...
April 11, 2015

English
Reading your draft aloud, using peer review, and using a typed and printed copy are all examples of A. points of view. B. useful techniques for revision. C. patterns of development. D. graphic organizers. my answer is b.
April 11, 2015

english
What is the sequence of components in the following sentence? Listless and depressed by vistas of snow and gray skies, Dieter left the cabin and walked toward the frozen pond. A. Subject, modifier, verb B. Subject, verb, modifier C. Modifier, subject, verb D. Modifier, subject...
April 11, 2015

English
Which of the following techniques would be best used to present constructive feedback on a draft of an essay to a peer? A. Rewrite sections for your peer B. Only write notes on the things you like about it C. Point out the negative aspects so your peer can improve D. ...
April 11, 2015

English
Which of the following sentences uses concrete language? A. Danny's Labrador retriever eagerly chases tennis balls. B. When I saw Susan, she was reading a book. C. Jerry saw that the glass was really dirty. D. I met Cathy at a store on a street near the bridge. my answer ...
April 9, 2015

English
Which of the following is an evaluation tool using questions and answers that lead to effective strategies? A. Thesis B. Outline C. Flowchart D. Graphic organizer my answer is c.
April 9, 2015

English
Thanks Ms Sue and Writeacher
April 9, 2015

English
Nathan argues that each paragraph in a narrative should support the author's thesis. Nan says that paragraphs in a narrative should illuminate some part of the action. Which one is correct? A. Neither Nathan nor Nan is correct. B. Both Nathan and Nan are correct. C. Only ...
April 9, 2015

English
Which of the following correctly uses a transitional word or phrase? A. First impressions are so important in both personal and professional life. Addison shaved off his beard. B. Kara has been happily trying lots of new activities lately. For example, she took up needlepoint ...
April 9, 2015

English
yes c. I know is wrong
April 9, 2015

English
I am thinking between a. and d.
April 9, 2015

English
or a.
April 9, 2015

English
Which of the following sentences shows an example of parallel verbs? A. Once the game was over, Jim had to be running home and eat dinner. B. Once the game was over, Jim had to run home and dinner was ready. C. Once the game was over, Jim had to run home and then eat his ...
April 9, 2015

English
Both Ada and Phil are evaluating their thesis statements, topic sentences, and evidence. If Ada finds that her essay doesn't have a thesis statement identifying the topic of the essay, Ada will reread the essay and decide what the main point of the essay. If Phil finds ...
April 9, 2015

English
During revision, you should scan your paper for _______ words and replace them with concrete words or phrases. A. figurative B. general C. formal D. informal my answer is b.
April 9, 2015

chemistry
how would you prove that sodium hydroxide is a base without wing litmus paper?
April 6, 2015

Trigonometric
tan^2 x − 7 tan x − 8 = 0 Use inverse functions where needed to find all solutions of the equation in the interval [0, 2π).
March 16, 2015

chemistry
In a coffee cup calorimeter, 50 mL of 0.1 M HCl and 50 mL of 0.1 M NaOH are mixed to yield the following reaction: HCl + NaOH  NaCl + H2O. The two solutions were initially at 22.1 oC and the final temperature is 24.2 oC. Calculate the heat that accompanies this ...
March 16, 2015

biology
Pls how can i itemize the blood cells in litres
March 2, 2015

Science
I think B.
February 13, 2015

Science
Endocrine glands ________. A. Do not have ducts to carry their product to a surface B. Do not have ducts to retain their product below surface C. Have ducts that carry their secretory product to a surface D. Have ducts to retain their secretory product below surface
February 13, 2015

Science
A. Gonadocorticoids B. Estrogen C. Epinephrine D. Androgen C?
February 13, 2015

Science
What hormone is the adrenal medulla responsible for secreting?
February 13, 2015

Science
What is the first activity of the digestive system?
February 12, 2015

Science
Air, like other gases, flows from a region with ________. A. Lower pressure to a region with higher pressure B. No pressure to a region with high pressure C. Little pressure to a region with high pressure D. Higher pressure to a region with lower pressure
February 12, 2015

health
Thanksss
February 11, 2015

health
The capillaries are the smallest and most ________ of the blood vessels
February 11, 2015

physics
A swimmer can swim 1.7 mph in still water. She decides to swim upsteam against the current which is 0.7 mph. It will take the swimmer ___ hours to travel 8 miles as measured by a person standing on the river bank.
February 1, 2015

physics
Using the following number: 26,802 In 4 significant figures, this number would be Answer. In 3 significant figures, this number would be Answer. In 2 significant figures, this number would be Answer. In 1 significant figure, this number would b
February 1, 2015

physics
Using the following number: 26,802 In 4 significant figures, this number would be Answer. In 3 significant figures, this number would be Answer. In 2 significant figures, this number would be Answer. In 1 significant figure, this number would b
January 29, 2015

physics
A particular jet aircraft must reach a speed of 43 m/s in order to take-off. If the acceleration of the plane is 1329 m/s2, the minimum length of the runway is Answermeters
January 29, 2015

physics
A swimmer can swim 3 mph in still water. She decides to swim perpendicular to the river current which is 3 mph. If the river is 19.89 miles wide, it will take the swimmer ___ hours to cross the river.
January 28, 2015

physics
A swimmer can swim 1.7 mph in still water. She decides to swim upsteam against the current which is 0.7 mph. It will take the swimmer ___ hours to travel 8 miles as measured by a person standing on the river bank.
January 28, 2015

Algebra
does 6x^3-24x^2 ÷ 3x^2 equal 2x-8?
January 15, 2015

statistics
There were 50 men and 50 women who were randomly selected from a larger population. •A t-test was conducted to compare men and women’s performance on an assessment after eating chocolate. The results showed an independent t-test value of t .05(99) = 3.43; p < ....
December 29, 2014

physics
A 60 kg worker pulls buckets of sand from height of 10 m using a pulley fixed to a wooden beam.While he is pulling a 20 kg bucket filled with sand he slips and falls down holding the rope.Assuming that the worker did not collide with bucket,find the velocity of the worker at ...
December 3, 2014

chemistry
What would the specific heat of graphite be? A 15.0g piece of graphite is heated to 100.0 degrees C and placed in calorimeter. The graphite releases 815.1 J of heat to reach a final temperature of 23.9 degrees C.
November 18, 2014

curriculum
Describe and explain four safety practices teachers should employ when learning children adult- direct exercises.
November 2, 2014

math
Yoon Ki drove from Phoenix to tucson in 1 1/2 hours. then she drove from tucson to el paso in 4 3/4 hours. the second part of her trip was how many times as long as the first part.
October 14, 2014

chemistry
4. If you were asked to determine the number of atoms in a 52.0 gram sample of carbon, how would you set up the conversion? What is the final answer with correct units?
October 6, 2014

physics
An electron in an atom has a speed of 2.2 × 10^6 m/s and orbits the nucleus at a distance of 5 × 10^-11m.a)What is its centripetal acceleration? b)A neutron star of radius 17 km is found to rotate at 5 revolutions per second. What is the centripetal acceleration of...
September 28, 2014

physics
An electron in an atom has a speed of 2.2 × 10^6 m/s and orbits the nucleus at a distance of 5 × 10^-11m.a)What is its centripetal acceleration? b)A neutron star of radius 17 km is found to rotate at 5 revolutions per second. What is the centripetal acceleration of...
September 27, 2014

teaching in early childhood programs
A teacher notices that the children have created a block town that includes a simple pyramid. The teacher points out the pyramid and talks with them about it, and then encourages them to make more of them. The teacher is employing A. problem solving. B. direct instruction. C. ...
September 7, 2014

•teaching in early childhood programs
When assessing the overall layout of a classroom, what two factors should be so clear that children's movement behavior will be directly influenced? A. The amount of child-accessible storage and the presence of children's art materials B. The location of large group ...
September 7, 2014

teaching in early childhood programs
A teacher is concerned about monitoring the progress of individual children in the second-grade classroom. What would be the best advice to give the teacher? A. Give a test periodically to see if the children have achieved according to the standards set. B. Use centers only ...
September 7, 2014

teaching in early childhood programs
Which of the following is not a strategy a teacher might use in an exploratory play activity? A. Observe attentively and silently. B. Use a challenge statement such as "Make a pattern with three different colors." C. Use a behavior-reflection statement such as "...
September 7, 2014

Teaching in Early Childhood Programs
Which of the following is a common mistake new teachers make when setting up learning centers? A. Planning specific activities for blocks or dramatic play B. Introducing the centers to children so they know how to use them C. Allowing the children to interrupt the silence of ...
August 24, 2014

TEACHING IN EARLY CHILDHOOD PROGRAMS,
Which of the following is not a strategy a teacher might use in an exploratory play activity? A. Observe attentively and silently. B. Use a challenge statement such as "Make a pattern with three different colors." C. Use a behavior-reflection statement such as "...
August 24, 2014

visual basic programming
Write a Visual Basic program that will calculate the assessment marks of a student taking the Computer Programming subject in College. The program must be able to determine the total result and finally display the grade of that student. The program will also ensure that each ...
August 14, 2014

Chemistry
In the titration of an acid, how do you know when to stop adding the standardized base?
July 13, 2014

Chemistry
The concentration of glucose in blood is 5.67%m/v. How many grams of glucose would be found in an adult male with a blood volume of 5.2L?
July 13, 2014

Math
Statistics show that the sales force of a certain company successfully closed 296 sales out of 800 sales calls. What was their percent success rate?
July 4, 2014

Physics
Please Help I have no idea how to approach this problem In a "Rotor-ride" at a carnival, people rotate in a vertical cylindrically walled "room." If the room radius was 5.7m , and the rotation frequency 0.35 revolutions per second when the floor drops out, ...
May 31, 2014

chemistry
how many molecules of h2o if formed from this equation Al2O3 + 3H2 ->2Al + 3H2O
May 24, 2014

college chemistry
how many molecules of h2o if formed from this equation Al2O3 + 3H2 ->2Al + 3H2O
May 13, 2014

calculus
Compute the limit of the partial sums to determine whether the series converges or diverges. 1)6 + 4 - 4 + 4 - 4 + 4 - 4 +...
May 7, 2014

PCT
Anyone good with Patient care Tech?
May 6, 2014

physics
what property does (-5)+5=0 illustrate
April 30, 2014

math
Peyton has two pizzas.Each pizza is cut into 10 equal slices.She and her friends eat 14 slices. What part of the pizzas did they eat? Write your answer as a decimal.
April 22, 2014

math
B. 3 hours because 24/8=3.
April 22, 2014

Geometry
A certain Circle of paper has x degrees cut out of it. The two cut edges are taped together, curling the paper up into a right circular cylinder of height 8 and with a base of radius 6. What is the value of x? A) 74 B) 90 C) 120 D )144 E) 200
April 5, 2014

Calculus
Evaluate the improper integral or state that it diverges: integral from -inf to inf (2xe^-x) dx. Please help!
March 20, 2014

calculus
Evaluate the improper integral or state that it diverges: integral from 6 to infinity (1/t^2-5t)dt. I need help on solving this and what does it mean by converges and diverges?
March 20, 2014

Accounting
I think it is a) just want confirmation.
March 16, 2014

Accounting
the Dwyer corporation incurred costs of 114000 in purchasing a process which it eventually had patented. The patent was issued on July 20x1. To secure the patent, an additional 6000 had been spent on legal fees. On June 30 20x3, a patent infringement suit was successfully ...
March 16, 2014

Chemistry
How many moles of ammonia gas can be formed from the complete reaction of 44.8 liters of nitrogen gas at standard temperature and pressure (STP), according to the balanced equation, N2 (g) + 3H2 (g) arrow 2NH3 (g)?
March 13, 2014

Anatomy and Physiology
A woman who recently came home from a tropical vacation now has abdominal pain and diarrhea. Her blood test results show an elevated eosinophil level. Which of the following organisms is most likely the cause of her illness? A. bacteria B. worm C. virus D. fungus I got C for ...
March 7, 2014

Anatomy and Physiology
I guess you're good at A & P?. I am horrible at it
March 7, 2014

Anatomy and Physiology
Thank you. I got C as my answer.
March 7, 2014

Anatomy and Physiology
A patient is diagnosed with anemia. Which manifestation would this patient demonstrate? A. Palpitations B. Yellow skin color C. Fatigue D. Leg cramps My answer is A
March 7, 2014

Anatomy and Physiology
Lab Anatomy & Physiology 1 Anyone help me?
March 6, 2014

A & P
The loss of heart muscle tissue is detrimental because the tissue A. grows too rapidly. B. heals very slowly. C. builds up in the heart. D. doesn't repair itself. My answer is D
March 2, 2014

A & P
Infant bones are very soft and pliable because of A. cartilage formation throughout the body. B. fluid accumulation between collagenous fibers. C. mineral deposition in select areas of the body. D. incomplete ossification at birth. Can anyone tell me the right answer? A would ...
March 2, 2014

Math Lengths
thank you very much
February 26, 2014

Math Lengths
order the lengths from least to greatest. 305cm, 31km, 3m, 35dm
February 26, 2014

Research Project: Anatomy & Physiology 1
Could someone read this paper and tells me if this is good or do I need to change some stuff: Introduction: ALS is distinguish by insistent collapse of both upper motor neurons (UMN) and lower motor neurons (LMN) leading to progressive muscular paralysis and death usually ...
February 7, 2014

Research Project: Anatomy & Physiology 1
What would be diagnostic finding imaging and histology for ALS?
February 6, 2014

Research Project: Anatomy & Physiology 1
What would be diagnostic finding imaging and histology for ALS?
February 6, 2014

Research Project: Anatomy & Physiology 1
Thank you so much
February 6, 2014

Research Project: Anatomy & Physiology 1
What would be some of the medical disorders Research Project: Anatomy & Physiology 1?
February 6, 2014

Research Project: Anatomy & Physiology 1
Would lung cancer be a medical disorder?
February 5, 2014

Research Project: Anatomy & Physiology 1
Select a single medical disorder that affects the skeletal, muscular, integumentary nervous, sensory, or endocrine systems. What I don’t understand is am I supposed to pick one of these topics and write about it or do I need to pick it from the book?
February 5, 2014

Research Project: Anatomy & Physiology 1
I need help with Research Project: Anatomy & Physiology 1
February 5, 2014

Anatomy and Physiology
A young child has a neurological disorder that causes spastic paralysis. What disease does this child most likely have? A. Huntington's disease B. Myasthenia gravis C. Subdural hematoma D. Cerebral palsy
February 5, 2014

Anatomy & Physiology
A patient is admitted with burns over the legs, arms, and torso. What will be used to determine the percentage of body surface area burned? A. Number of eccrine glands affected B. Amount of hair singed from the body C. Rule of nines D. Type of burn
February 4, 2014

Anatomy and Physiology
That is wrong. I just took my exam and it is incorrect.
February 4, 2014

Anatomy and Physiology
. A 32-year-old man has trouble tying his shoelaces, writing, and walking in a straight line. A computed tomographic (special x-ray) scan of the brain would likely reveal that the man has an abnormality in the A. cerebellum. B. brain stem. C. diencephalon. D. cerebrum.
February 4, 2014

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