Thursday

July 30, 2015

July 30, 2015

Total # Posts: 86

**physics**

a stone is dropped from a cliff 100 ft high .disregarding friction; a.how long does it take the stone to hit the ground b.With what speed and direction does it strike the ground?
*July 15, 2015*

**physics**

A marble is thrown vertically downward at an initial velocity 200cm/s hits the floor in 2.5 seconds ,At what height is the marble thrown?
*July 15, 2015*

**physics**

A stone is dropped from a cliff 100 ft. high. Disregarding friction; a. how long does it take the stone to hit the ground? b. With what speed and direction does it strike the ground?
*July 15, 2015*

**math trigonometry**

Prove the identity Sin^3X+sinx*cos^2X=tanx/cosX
*June 9, 2015*

**math trigonometry**

Prove the identity Sin^3X sinx*cos^2X=tanx/cosX
*June 9, 2015*

**math help**

4,9,x,37 is a quadratic sequence (a)show that x=20 (b)determine the nth term of the sequence thanks in advance
*June 4, 2015*

**physics**

The distance between the midpoints of two metal balls,P and Q,respectively of masses 55 kg and 70 kg,is 80 cm (a)calculate the gravitational force that P exerts on Q thanks in advance
*June 2, 2015*

**math**

I mean How did u get 24+11
*June 2, 2015*

**chemistry**

109% of carbon,18,2% of hydrogen and 73% of oxygen how do i calculate emperical formular?
*May 27, 2015*

**chemistry**

15g of calcium hydroxide is dissolved in 500cm^3 of water 300cm^3 of the solution is used to neutralise hydrocloric acid of/5mol.dm^3 how do i calculate the volume of the acid
*May 25, 2015*

**physics**

14,0 of KOH is neutralised in 1dm^3 of water by sulphuric acid with a concentration at 0,1 mol dm^-3 how do i calculate it
*May 24, 2015*

**biology**

How can i Describe the pathway and processes of ingestion,digestion,absorption and assimilation involved when a person has eaten a buttered polony sandwich
*May 17, 2015*

**math help**

A tank has two pipes entering it.when operating together,they fill the tank in 40 minutes.operating independently,one of the pipes fills the tank 60 minutes faster than the other one does. calculate the time taken by each pipe to fill the tank on its own.
*April 7, 2015*

**math help**

thanks which term of the pattern is equal to 2549
*March 30, 2015*

**math help**

thanks which term of the pattern is equal to 2549
*March 30, 2015*

**math help**

pattern 1,5,11,19 1.how do i find the next two patterns 2.how do i calculate the n^th term of the pattern
*March 30, 2015*

**math help**

from this step how did u come up with 2y^2+27-36y+12y^2+12y-8y^2-9=0
*March 30, 2015*

**math help**

can u solve x and y simalteneously for me thanks in advance x-3+2y=0 2y^2+3x^2+4xy=9
*March 30, 2015*

**life orientation**

what are the two issues in sport that can impede nation building
*March 19, 2015*

**mathematics,science,physics,agriculture and geograph.**

which work i surpose to do?caus geograph confuse me!
*January 15, 2015*

**Physical science**

A-b is 50m and b-c is 120 calculate how long it will take to ride fro A to C as he rides at 5m per sec?
*November 15, 2014*

**L.A.Help!!!!!!**

In "Forest Fire," why does the narrator plan to save a stack of diaries if she must evacuate? A. She is to scared to think of anything else. B. The diaries are important to her. C. The furniture in her house is to heavy. D. The newspaper photographer wants to take a ...
*November 13, 2014*

**L.A.Help!!!!!!**

Thank you can you help me with my last question I just posted?
*November 13, 2014*

**L.A.Help!!!!!!**

For what reason does the author of "Forest Fire"by Anais Nin describe the mudslides that occur in January? A. She wants to boast about a second natural disaster she lived through. B. She wants to explain how she got to know the forest rangers. C. She wants to impress...
*November 13, 2014*

**L.A.Help!!!!!!**

Which word is most opposite in meaning to tenacious? A. strong B. plentiful C. weak D. scarce Is the answer C?
*November 13, 2014*

**u.s. history**

How does the constitution limit the powers of government? A. The constitution limits the power of government by entitling citizens to a basic standard of living. B. The constitution limits the power of government by giving citizens the power to veto any bill they do not ...
*November 13, 2014*

**Math**

Which statement is false? A. The number zero is a rational number. B. Some irrational are also rational numbers. C. Every irrational number is a real number. D. Every integer is a rational number Is the answer C?
*October 17, 2014*

**Math**

Which of these numbers is classified as a rational number? A. Square root 17 B. Square root 23 C. Square root 9 D. Square root 2 Is the answer C? Thanks
*October 17, 2014*

**Math**

Thank you
*October 17, 2014*

**Math**

Which is an integer? A. 23 B. 1/4 C. Square root 27 D. 3.402538 Is the answer A? Thanks
*October 17, 2014*

**science help**

A?
*October 16, 2014*

**science help**

A praticular neutral uranium atom has 92 protons,143 neutrons, and an atomic mass of 235. How many electrons does the atom have? A. 92 B. 143 C. 235 D. 337 Is the answer D? Thanks
*October 16, 2014*

**science help**

What would happen to the current model of the atom if new information about its structure is discovered in the future? A. The current atomic model would be revised. B. The current atomic model would be strengthened. C. The current atomic model would be proven. D. The current ...
*October 16, 2014*

**science help**

Chromosone pairs contain diffrent versions of genes, which are called? A.alleles B.chromosome C.mitosis D.DNA E.RNA F.diploid G.meiosis H.phenotype Is the answer A??
*October 16, 2014*

**Life orientation**

Why it is important to follow trends in the workplace?(2 reasons please)
*October 16, 2014*

**Language Arts**

Why does the author include the quote from Frances Gabe in paragraph 4? A. To avoid plagiarism B. To make Gabe seem unusual C. To emphasize a point previously made D. To share how much Gabe liked housework Is the answer C?
*October 14, 2014*

**Language Arts**

Which of the following should you do during your third read of the multi-draft reading process? A. Identify the authors tone and viewpoint. B. Evaluate how the selection compares to another. C. Examine the type of organization used in the selection. D. Determine the author'...
*October 14, 2014*

**Language Arts**

Arthur ruled Britain for many years from his castle at Camelot. His Knights of the Round Table helped to keep peace throughout the land. Then, Arthur was betrayed by his closest friend, Lancelot. While Arthur was away fighting against Lancelot, Arthur's nephew, Mordred, ...
*October 14, 2014*

**Language Arts**

Thank you.
*October 14, 2014*

**Language Arts**

OK so A?
*October 14, 2014*

**Language Arts**

Which principal part of the verb (to teach) appears in sentence 7? Senence: Then she taught me how to cultivate rich and healthy soul and helped me identify which types of plants are best for the environment in my yard. A. Past B. Past participle C. present D. Present partiple...
*October 14, 2014*

**Art**

Thank you so much.
*October 13, 2014*

**Art**

This is confusing me more. I don't know what to pick when I look at him it's just a picture of a man sitting. What do you see?
*October 13, 2014*

**Art**

I guess I thought it wasn't right because he is sitting down? So the answer is B?
*October 13, 2014*

**Art**

Well the change between light and dark of the pencil for c. and d because it doesn't confuse the eye or show all parts of his body.
*October 13, 2014*

**Art**

Yes that's the picture. Is it D?
*October 13, 2014*

**Art**

In the painting a seated soldier by Hippolyte Bellange the artist recognized the basic shapes in the figure on order to A. confuse the eye, making it difficult to draw. B. Record the various parts of the body accurately. C. Create a change in value D. Ignore proportion and ...
*October 13, 2014*

**English**

Which sentence has an infinitive phrase that functions as the subject? To convert sunlight and energy into food is the end result of photosynthesis. After the rain, water travels from the ground to the roots of a plant. Plants are adapted to take in moisture from the ground.
*June 18, 2014*

**Algebra 1**

Mandy scored 22 points in a basketball game. If she made 9 field goals, worth either 2 or 4 points, and no free throws, how many three-point field goals did she make?
*March 31, 2014*

**Probability**

Thank you!
*March 7, 2014*

**Probability**

1) n*(b+r) 2) n*b*(1-b+n*b) 3) d, No 4) My derived answer is n*(b^3+r^3+w^3)-2*(b^2+r^2+w^2), which is not correct. I am fairy certain that the n*(b^3+r^3+w^3) component is correct. Perhaps I am not handling a corner case correctly. The probability that (i-1) and (i+1) for a ...
*March 7, 2014*

**math**

I think the question is asking for the total price of the sofa when the tax is added. So..... 1210x0.07=84.7 1210+84.7=$1294.7[ANSWER] HOPE THIS HELPS!
*January 4, 2014*

**Math**

B?????
*January 4, 2014*

**o chem**

Impure acetanilide was dissolved in the required amount of hot water. The clear solution in a beaker was immediately placed in an ice-water bath, instead of being allowed to cool down slowly. What would be the result of cooling the solution in this manner?
*October 18, 2013*

**maths**

Find the angle between the line y=2x and the line passing through the points(-1;7/3 ) and (0;2)
*August 6, 2013*

**statistics**

A manufacturing company produces 10,000 plastic glasses per week. This company supplies plastic glasses to another company, which packages the glasses as part of picnic sets. The second company randomly samples 10 glasses from the supplier. If at least eight of the sampled ...
*May 5, 2013*

**statistics**

A manufacturing company produces 10,000 plastic glasses per week. This company supplies plastic glasses to another company, which packages the glasses as part of picnic sets. The second company randomly samples 10 glasses from the supplier. If at least eight of the sampled ...
*May 4, 2013*

**programming**

Write a program that displays the recommended weight, given the user’s age and height (cm). The formula for calculating the recommended weight is recommendedWeight = (height – 100 + age / 10) * 0.90 Define a service class named Height and include an appropriate ...
*March 21, 2013*

**art**

Co,plemenentary colours lie opposite each other on the colour wheel when the pigments of two complementary colour are mixed together it will resilt in z neural grey-black
*February 4, 2013*

**Math PLEASE HELP FAST!!!!**

Kevin needs to convert 620 millimeters per minute to meters per hour. Which conversion factors should he use? A. 0.001m/1mm and 1h/60min B. 0.001m/1mm and 60min/1h C. 1mm/0.001m and 1h/60min D. 1mm/0.001m and 60min/1h PLEASE HELP!!!!
*January 30, 2013*

**math**

27.5
*October 1, 2011*

**fin 200**

I need help with the Comprehensive Problem: Adams Corporation on p. 119 (chapter 4)
*June 26, 2011*

**Stat**

this is the chart for this problem Public Private Total Female 38 7 45 Male 46 9 55 Total 84 16 100
*June 6, 2011*

**Stat**

Translate the following events into set notation using the symbols A and B, complement, union, intersection. Also give the probability of the event as determined from the table above. Fill in the table below with these values. {If you cannot construct the symbol ∩, just ...
*June 6, 2011*

**Life orientation**

5 ways in which the human or environmentat problem impacts on the community?
*May 2, 2011*

**Math**

Women’s records in the women’s 1500-m run. The formula R =−0.0026? + 4.0807 can be used to predict the world record, in minutes, for the 1500-m run t years after 1900. Determine (in terms of an inequality) those years for which the world record will be less ...
*April 26, 2011*

**accounting**

If you decide to buy a car for $17,500 and get $2,500 on a trade-in. If the bank finances the remainder at 7.8%, and you want to pay off the loan in 5 years, how much will your monthly payments be? (Assume that interest is compounded monthly.)
*April 19, 2011*

**math**

A circular pond of diameter 15m is sorrounded by a path of of 2m wide find the area of the pathway
*February 14, 2011*

**Psy210**

Match the psychological theories with the appropriate statement(s): __Psychodynamic Theory __Trait Theory __Learning Theory __Sociocultural __Humanistic Theory A. Individualism versus collectivism B. Popular theorist Eysenck initiated the five-factor model. C. The healthy ...
*September 6, 2009*

**English**

Out of these which one is a metaphor, simile, or a personification? 1)the last stains of sunset had melted away. 2)the wrinkled surface of a tiny lake.
*January 21, 2009*

**Matth**

I not sure if my answers are wright so what did you get.
*December 11, 2008*

**Matth**

In 2002 there were more than 30,000 McDonald’s restaurants in the world. Of these, approximately 14,000 were in the United States. In Great Britain there were 1,116 McDonald’s franchises. The following data are taken from those 1,116 McDonald’s. Total employees...
*December 11, 2008*

**math**

what is 0+0??????? is it 2?
*August 22, 2008*

**Intermediate Algebre**

Combine like terms: -3x2 + 2x – 4x2 – 9 + 6x – 2x2 + 8
*May 28, 2008*

**Intermediate Algebre**

Solve for x: -2(x – 5) + 7 = x – 8 – 5x
*May 28, 2008*

**Intermediate Algebre**

Solve for x: (x – 2)/5 – 3/2 = (x + 1)/10
*May 28, 2008*

**Intermediate algebra**

Solve for x: (x – 2)/5 – 3/2 = (x + 1)/10
*May 25, 2008*

**Intermediate algebra**

Solve for x: -2(x – 5) + 7 = x – 8 – 5x
*May 25, 2008*

**Physics**

An aluminum baseball bat has a length of 0.87 m at a temperature of 20°C. When the temperature of the bat is raised, the bat lengthens by 0.00016 m. Determine the final temperature of the bat.
*April 6, 2008*

**Physics**

I did I multiply by the coefficent of steel which is 12*10^-6 and the chang e in temp. which is 16--39 got 55 but I'm getting the wrong answer.
*April 6, 2008*

**Physics**

A steel section of the Alaskan pipeline had a length of 65 m and a temperature of 16°C when it was installed. What is its change in length when the temperature drops to a frigid -39°C?
*April 6, 2008*

**Physics**

my computer home work is tell me .000429 is not correct I have reworked the problem but it keep tell me the answer is not correct
*April 6, 2008*

**english: critical thinking**

They are all right thank u soooo much!
*March 19, 2008*

**science**

The atmosphere is composed of a mixture of _______________, _____________ ____________, and tiny___________________. Thank you for using the Jiskha Homework Help Forum. The origin of our atmosphere is still open to a great deal of speculation. One theory is that the first ...
*March 12, 2007*

**spelling**

glue:sticks::thorns:scratch
*January 16, 2007*

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