Saturday
April 19, 2014

Posts by kathleen


Total # Posts: 120

science
How does ozone gas to int get into the earth?

Geometry
What is the reason called when there are two legs on an isosceles triangle, are bisected using a mid segment to form a trapezoid, and you are trying to prove the legs of the trapezoid are congruent?

Health
Can someone please explain the difference between a vasectomy and tubal ligation. I know that one is for men, and one is for women, but that's about it

Math
Divide 3/4 to both sides. 8 divided by 3/4 is the same as 8*4/3. To divide you have to learn this trick called copy dot flip( basically multiplying the multiplicative inverse) for example the multiplicative inverse of 6/7 is 7/6

math
Write an equation: 3s+h=324 where 3s/2=h 3s+3s/2=334 Solve for s Remember a is shoes so substitute your answer in the equation 3s/2=h

Geometry
If line AB is perpendicular to line EF, and line CD is perpendicular to EF, then the measure of angle 1=the measure of angle 2. Give an arguement for the statement and a reason for each step. There is also a diagram drawn on my homework which is a vertical line with two horizo...

Physics
A girl delivering newspapers covers her route by traveling 2.00 blocks west, 5.00 blocks north, and then 8.00 blocks east. (a) What is her resultant displacement? (only enter the angle of the resultant in the answer space below, not the distance) enter it as a positive angle, ...

Physics
A girl delivering newspapers covers her route by traveling 2.00 blocks west, 5.00 blocks north, and then 8.00 blocks east. (a) What is her resultant displacement? (only enter the angle of the resultant in the answer space below, not the distance) enter it as a positive angle, ...

English
I have an essay about difficulties in life which is based on a book I read with my class. I am having trouble finding difficulties or adversities I have had in my life. Can you please give me some examples of difficulties that you, or anybody else could have had in life. Thank...

math
multiply the height, and the diameter (radius(2)), then subtract the larger glass from the smaller glass.

math
Sorry, can you please provide a description of the circle

Humanities
What gave rise to democracy in Athens? Explain why Plato did not favor democracy as the best form of government in his Republic? Are there any good online sources where I can find the above questions? Thanks.

Accounting
What affect can the incorrect (intentional or unintentional) posting, journalizing, and reporting of financial data have on a company, an accountant, or a company's stakeholders?

Literature
Why do you think the singer was an important person in Danish communities? (Beowulf)

math
Thx ppl

math
in track practice jesse ran a mile in 7 minutes. his mile time was 2.5 times faster than michaels time. write and solve an equation to calculate michaels mile time.

Australian Studies
The ‘great obesity epidemic’ is stated as one of the great health issues in developed nations in the 21st century, especially for Australia. Explain briefly how changes in social beliefs, concerns and values have contributed to this ‘epidemic’, particularly...

Australian Studies
Australia has been described as an ageing society. What is meant by this description and how have government(s) planned for this?

Australian Studies
Explain what the key values in Australian society are? Use examples to highlight your understanding.

chemistry
find the specific heat of lead using 200 g of pb at o degrees celcius and placing it in 200 g of water at 60 degrees celcius

3grademath
no a rhombus has 4 sides

computer science
I need to write a program that ask the student to enter an answer to a math problem. The user should enter two values, one at a time, and then ask for an answer. The program should display if the entered answer is correct or not and display the correct answer if the user enter...

Design Logic and programming
write a program that ask the student to enter an answer to a math problem. The user should enter two values, one at a time, and then ask for an answer. The program should display if the entered answer is correct or not and display the correct answer if the user entered the wro...

science
1. Secretin 2. Enterogastric reflex 3. Psychological stimuli 4. Gastric Juice 5. Esophagus 6. Salts

algebra
Hi guys: Can any one please tell me what does this means? Thanks ---------------------------------------------------------------------- The second matrix is simply the symmetric version of the first. This 1 2 3 4 5 6 7 1 0 2 3 x 2 4 x 2 2 3 11 2 3 5 3 3 9 2 3 5 4 3 9 3 5 5 9 3...

statistics
a test has a mean score 73 with standard deviation of 12.students with scores greater than 85 recieve an A. What is the percent of the students would we expect to get an A? assume the normal distribution

Penn Foster
Study Unit.. Early Childhood Development {Planning and Implementing For The Enviorment. The three major areas of child care facility are??? There are 4 multiply choices from A to D. Which is the best answer?

Penn Foster
what's the answer to question 1.in subject Planning and implementing for the Envioroment Question, The three major areas of a child care facility are A. Adult,service and storage. B. adult, children's and service C. Children's service. and activity D. storage,servi...

computers in day care
software program features an electronic coloring book in which children get to paint charscters that comes to life wih a click of a mouse. this type of program is primarily designrd to develop childres's A. hand-eye coordination B. creativity C. emotional maturity d. knowl...

Math
If you put $5,000/ year into an IRA and get 4% per year, what would you have after 40 years?

chemistry
A sample of oxygen occupies 38.9L at STP. What will the pressure need to be in Torr. if the volume is to be changed to 32.2L without a change in T.

physics
9.0 x 102 is the answer.

Physics
A 1300 kg sports car accelerates from rest to 85 km/h in 6.2 s. What is the average power delivered by the engine?

physics
How long will it take a 1280 W motor to lift a 345 kg piano to a sixth-story window 19.0 m above?

OLSAT
I don't know if this can be answered here but, I will ask. My son took the OLSAT test. He is a first grader but, on my assessment results he is listed as a 4th grader. His SAI is 110. Would this error change his results?

maths
how do you draw a line of best fit on a scatter graph?

maths
how can you divid it down ms sue

maths
what is the ratio in the simplest form 120:60

maths
thankyou ms sue

maths
homework please answer

algebra
How do you solve an equation like: (5-11)/x+2=3

Math
I am stuck on a problem that has to do with the double angle formulas. I have to solve this: 4sinxcosx = 1. I tried using the formula 2sinu = 2sinucosu by substituting it in like this: 2(2sinxcosx)= 1 but then I am stuck

chemistry
what is the number of mole equivalents of H2 produced by the reaction of 1 mole equivalent of Mg (m) with H2SO4 (aq)?

physics
A 500 g steel block rotates on a steel table while attached to a 2.0-m-long massless rod. Compressed air fed through the rod is ejected from a Inozzle on the back of the block, exerting a thrust force of 3.5 N. The nozzle is 70^\circ from the radial line, as shown in the figur...

AP psychology
I'm having trouble figuring out this question: Three yr old Marco suffered damage to the speech area of the brain's left hemisphere. Research suggests that a) he will never speak again b) his earlier experiences with speech will enable him to continue speaking c)his ri...

Geography
How do I calculate gradient when I end up with and odd number: I understand the example, which ends up 80m/1600m = 1/20 therefore the answer is 1:20. However what do I do when I have an answer like 637/2200, which is an odd number, how does this then translate or do I leave th...

English
The swimming strokes of the woman were jerky. Is this the correct verb to use in this sentence? The Subject is plural not so, so the verb must be plural too!

5th grade
make pu a data set of at least 12 numbers that have the following landmarks maximum 18 mode 7 range 13 median 12

English
The acrobats performed an amazing BALANCING act. Is balancing an adjective in this sentence?

english
What are the two topic sentences of this paragraph? “As I was sewing the top of the pillow, my grandmother mumbled along, her frail voice faltering as she gasped for breath in between disjointed sentences and phrases. She explained the reason for all her tiresome efforts,...

English
1. Was my Nkhono really going to die? 2.Why did she say that when she was dead, my uncles would put her corpse aside and search for her money all over the house?”

English
What are the two topic sentences of this paragraph? “As I was sewing the top of the pillow, my grandmother mumbled along, her frail voice faltering as she gasped for breath in between disjointed sentences and phrases. She explained the reason for all her tiresome efforts,...

math
The total area of three flowerbeds is 8 13/20m². Calculate how much of the garden remains if the whole garden covers 10 squared meters. Please show the working.

math
Is this right? smallest to biggest 0.62 31/50 0.67 2/3 0.67 67/100 0.6 3/5

Math
Is this right? smallest to biggest 0.62 31/50 0.67 2/3 0.67 67/100 0.6 3/5

Math
Write each of the fractions in their decimal form and then arrange them from the smallest to the biggest. 2/3 3/5 31/50 67/100

Math
The total area of three flowerbeds is 8 13/20m². Calculate how much of the garden remains if the whole garden covers 10 squared meters. Please show the working!

math
3m/m is a fraction. How do I right it as a whole number. Is it just 3?

math
what is 3m/m (fraction), Written as a mixed fraction

science
how can i make an Auto-Off Candle by Lisa Marie Wright?what is the materials included?

chemistry
Determine the minimum concentration of the precipitating agent on the right to cause precipitation of the cation from the solution on the left. 3.0*10^-2 M BaNO3;NaF

chemistry
When a solution of 6M HCl is made from a stock of concentrated HCl by adding an equal volume of water, why is the concentration of the solution only an approximate concentration?

math
identify the ff properties in the given quadratic equations: a.Vertex b. axis of symmetry c. Domain d. Range e direction of graph 1.f(x)=x2-5x+14

chemistry
What solid is formed upon addition of silver nitrate to a solution of cobalt chloride?

arithmetic
The cost of a lunch of 1 pizza and 2 cups of coffee is $7. The cost of a lunch of 3 pizzas and 5 cups of coffee was $20 at the same cafe. How much will 1 pizza and 1 cup of coffee cost? Thanks!

Algebra
Thank you! i had those answers but they looked funny. Thanks again

Algebra
I am stuck on a question about composition functions. They want you to find f(g(x)) and g(f(x)) using the following numbers: g(x)= 10x f(x)= x (squared)+4

Algebra
So on this worksheet i am doing, we have to find the nth term, given "s" sub "n". I got up to the point of the quadratic, set it equal to zero, but can not find the correct factors. can anyone help? n(squared)+10n-4544=0 n(squared)-6n-420=0 n(squared)+6n-276

Algebra
i am stuck on this one math problem. The question is to write a rule for the pattern (it is a section on sequences) The pattern is -5,10,-15,20,-25. What is the rule? A sub n = ?

English
Why does Daisy cry over Gatsby's shirts in the "The Great Gatsby" when he is showing her his house. Is there any significance?

English
Why does Nick the narrator refer to character differently every time he talks to them? For example, sometime he refers to Tom as "Tom" but other times, he refers to him as "Tom Buchanan"? is there a reason for this?

English
What does the green light symbolize in the Great Gatsby when Gatsby vanishes in chapter 1?

European history
thank you!

European history
well i picked d but it is incorrect. i believe the right answer is B because they both discuss pessimistic views of the working class and with Malthus he believed that the the population would outrun the food supply so then poverty would occur. Ricardo talks about wages increa...

European history
Chose the correct answer and explain why: Malthus and Ricardo would both agree that a. One solution to poverty was to pay higher wages b. Poverty was inevitable c. Economic growth would end up in poverty in the long run d. capitalism is an evil system

Chemistry
Is the compound C2H3Cl polar or nonpolar and why?

math
F=(9/5)C +32

integrated algebra
Multiply through the parenthesis 32a -8 = 24 add 8 to each side 32a=32 Divide both sides by 32 a=1

math
F=(9/5) x degrees C + 32 See if you can do it

math
5w + 1.5 =4.5 -1.5 -1.5 5w=4 divide each side by 5 w=4/5

math
Please go back to your posts about the 1.5L-there is a correction. Also, your answer to the 50=3m+2 was wrong-go back to check the correction.

5th grade
An adverb modifies a verb (an action word) while an adjective modifies a noun (person place or thing.

math
Picture tiles (each one foot by one foot) on a floor. If you have 2 tiles wide and 2 tiles deep (2 x2) you would have 4 tiles or 4 square feet.

Science-Elements
Those are tough questions-to know what is in the mind of the teacher that writes them. Most appear to be metals Tin, Copper, Gold... Perhaps the scientists decided to use Latin names for these. They couln't have 2 C elements (Carbon and Copper) and Co is already Cobalt Sim...

Science-Elements
Latin Name for Gold is Aurum and thus the symbol is Au, not Go as you might expect. Similarly, Lead in Latin is Plumbum so the Symbol is Pb. Copper is Cu, Potassim K. Other symbols were named in other ways. Oxygen is O, Hydrogen H, Sulfur S. Look at your Periodic Table.

math
Change all the denominators to 12ths. For example, 1/6=2/12 (multiply numerator and denominator by 2) Then you can add all the numerators to get the answer in twelfths. Try it yourself.

math
You need to multiply 8.00 by 4.5 (hours) EASY!

English/History
Thanks-just what I needed.

math
No 50-2=3m+2-2 48=3m 48/3=3m/3 16=m

math
Subtract 2 from each side. Then divide each side by 3. You can do it!

MATH
5n+15=4n+12 -4n -4n n+15=12 -15 -15 n=-3 Check 5(-3+3)=3(2*-3 +6) 5(0)=3(16+6) 0=3(0) 0=0 4x-4+2x+8 6x+4

7th grade
There are 1500 ml in 1.5L Sammi said .0015. you multiply 1.5 by 1000 not divide it!

College Chem
4. Write the balanced equation for CH4+Cl2„_CH2Cl2+HCl What are 3 ways you can speed the reaction in this equation?

College Chem
10kcal?

College Chem
4. Write the balanced equation for CH4+Cl2„_CH2Cl2+HCl6. For the reaction in problem 4, Heat of Reaction = -118.3 kcal/mol. Identify whether this is an exothermic or endothermic reaction. Calculate the Heat of Reaction when 6.00 g of Cl2 are used in the reaction.

Microbiology
Why are fermentation tubes evaluated at 24 and 48 hrs? If an organism oxidatively metabolizes glucose, what will occur in the fermentation tubes?

Chemistry
4. Write the balanced equation for CH4+Cl2„_CH2Cl2+HCl 4a. For the reaction in problem 4, ƒ´H = -118.3 kcal/mol. Identify whether this is an exothermic or endothermic reaction. Calculate the ƒ´H when 6.00 g of Cl2 are used in the reaction

Chemistry
8. For the reaction H2(g)+I2(g)„\2HI(g); [H2] = 0.95 M; [I2] = 0.78 M; [HI] = 0.27 M. Calculate the equilibrium constant K and describe the direction (forward or reverse) of the reaction. Will adding a catalyst to the reaction alter the direction of the reaction? Why? Des...

Chemistry
What are the common molecular shapes around the carbons?

Chemistry
4. Write the balanced equation for CH4+Cl2„_CH2Cl2+HCl. 5. Using the equation in problem 4 if 6.00 g of CH4 are mixed with 6.00 g of CL2, how much HCl can be made? What is the percent yield if 2.5 g are recovered from the reaction in the lab?

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