Thursday
April 17, 2014

Posts by Kevin


Total # Posts: 903

geometry
The trapezoids are similar. The area of the smaller trapezoid is 564m^2. Find the area of the larger trapezoid to the nearest whole number. The smaaler trapezoid is 24m, and the larger trapezoid is 57m. Possible answers: 576m^2--3,249m^2--3,181m^2--14m^2 Can someone please help?

science
If 1.5 gals of 70 degree water is mixed with .25 gals of 32 degree water what would the temprature be?

geometry
The trapezoids are similar. The area of the smaller trapezoid is 564m^2. Find the area of the larger trapezoid to the nearest whole number. The picture of the small one has a number 42m and the larger one has a number 57m. Can someone please help me my possible answers aer, 57...

physics
A glass windowpane in a home is 0.62 cm thick and has dimensions of 1.30 m × 1.72 m. On a certain day, the indoor temperature is 26°C and the outdoor temperature is 0°C. (Assume the thermal conductivity of the glass is 0.8 J/s · m · °C.) (a) Wha...

physics
A 40-g block of ice is cooled to −71°C and is then added to 590 g of water in an 80-g copper calorimeter at a temperature of 27°C. Determine the final temperature of the system consisting of the ice, water, and calorimeter. (If not all the ice melts, determine ho...

physics
Lake Erie contains roughly 4.00 1011 m3 of water. (a) How much energy is required to raise the temperature of that volume of water from 9.0°C to 12.0°C? (b) How many years would it take to supply this amount of energy by using the 850-MW exhaust energy of an electric p...

physics
A hollow aluminum cylinder 22.0 cm deep has an internal capacity of 2.000 L at 21.0°C. It is completely filled with turpentine at 21.0°C. The turpentine and the aluminium cylinder are then slowly warmed together to 87.0°C. (The average linear expansion coefficient ...

physics
A pair of eyeglass frames are made of an epoxy plastic (coefficient of linear expansion = 1.30 10-4°C−1). At room temperature (20.0°C), the frames have circular lens holes 2.27 cm in radius. To what temperature must the frames be heated if lenses 2.28 cm in radiu...

disease
Binge Eating Disorder is diagnosed by "experiencing" binge-eating episodes (without purging) more than ---- time)s) per week for --- one,two months two,three months two,six months four, six months

english
ethos (B) pathos (E) logos (D) persuasive appeals (C) tone (A) Am i right now? I have looked them up and believed these are them.

english
Okay thanks for your help. On the second set are the ones wrong D and E and I need to switch them around

english
A-the dictionary definition of a word B-making assertions about a group that are too broad C-parts of a presentation that augment the words D-rhetorical devices that rely on faulty reasoning E- the emotional associations a work invokes audiovisual(A) connation(E) denotation(D)...

english
thanks i figurd it out

english
Could someone check mty work? Which of the following would not be a good strategy for delivering a speech? Make sure your presentation is running properly Start talking over the audience to quiet them down (anser) Use correct grammer and well formed sentences Look directly at ...

government
This put an end to the Soviet Union. perestroika a government coup Russia's revolt Soviet republics declared independence Chinas government made a transition from a command economy to a market economy for the following reason China could not compete economically with its n...

government
political and economic cooperation

government
the goal of the european union is? global security national security military security political and economic cooperation This question I do not know

government
Can someone please help Western Europe received the least amount of U.S> foreign aid. Which statement best explains why this region might have received less aid than the other regions? U.S. relations with Western Europe are very amicable. (answer) Western Europe is comprise...

english
Thank you

english
Could someone check my work? Ms. Sue thank you for checking for me!! A commercial critizing oil drilling shows images of oil-soaked birds and sea otters that are suffering. This commercial is using pathos (answer) ethos logos A commercial for toothbrush tells you that two out...

government
What goals have remained virtually the same since the end of the Cold War?

government
What goals of American foreign policy have changed since the end of the Cold War?

english
Can someone please check my work? Which of the following is Not a good idea for choosing a subject for a persuasive speech? Choose an issue important to you. Choose a subject that people disagree on. Choose a subject that you have little personal experience with or facts about...

writing
Which of the followinh is Not an example of persuasive writing? a position paper from an elected official a college admissions essay a movie review a summary of a textbook reading assessment (answer) Which of the following is a hasty generalization? Playing football gives you ...

writing
Thank you after I submitted this I believe the answers are (McCosh 57) and (Spines 15)the author and page

writing
Can someone please check my answers which of the following would always require a citation in a research paper? thesis statenment an anecdotal experience a quotation (answer) a humorous statement Which of the following shows the correct parenthetical citation for information f...

physics
Could you show me how my answer would look please, and would you happen to know aside from the mass what other measurement (numerical value) need to know to calculate GPE?

physics
mass of coaster is 800kg second hill is 70m do you take 800*70*9.8=548800 Please help

physics
mass of a coaster is 800kg height of first hill is 80m What is the agpe for the first hill? I did 800*9.8*80=627200

Chemistry
Would you expect PbCl2 to dissolve in dilute HNO3(aq)? Explain in terms of solubility (Ksp)/equilibrium?

geometry
not sure if youll understand but ill try and explain the picture is a trapezoid i believe b1 is 7cm, and do not have the height but the numbers on the long side is 8cm and the side of b2 is 4cm this part of the pic looks like a right triangle am not able to find the height

geometry
Can someone check my work please? What is the area of the figure below? 18 in² 30 in² 36 in² (my choice) 60 in² What is the area of the figure below? 31.5 m² 63 m² (my choice) 84 m² 126 m² What is the value of h? 9.6 units 26.7 units (my...

grammar
Can someone please check my work? Thank you. Which of the style guides is most focused on professionals who are writing articles for publication? MLA APA Chicago (my choice Which of the style guides no longer recommends citing URLs? MLA APA (my choice) Chicago Are you ________...

english
Thank you so muh for your help

english
Can someone check my work PLEASE.. Which of the following is not a strategy for revising your paper? Check for redundant language. Remove overly complicated language. Get rid of euphemisms and clichés. None of the above (my choice) Choose the correct word to complete t...

physics
Show your work for how the formula was used to calculate a final answer! GPE for second hill: ___ _________________++ Describe how conservation of energy applies to a roller coaster ride from start to finish. This is the last part of roller coaster I'd appreciate any help...

physics
To anyone that is able to help their is 3 postings to this assignment and I'd like any help possible.

physics
Calculate the gravitational potential energy (GPE) of your roller coaster at the top of each hill. Assume that the mass of your coaster is: 800 kg. Be sure to show your work by providing an answer for each step! Measurements need to have the appropriate units a.) First Hill &...

physics
Is their anyone that goes to CA homeschooling that can help with roller coaster portfolio?

english
I read the story from behind the veil, but did not really understand could someone help me describe some aspects of its setting where it takes place what mood is created by the details of weather, place, and time and how this setting helps to convey the theme of the story.

chemistry
I think I need more help. I tried but I think I'm going in circles on this one and not thinking clearly at this point.

chemistry
How much heat energy is given off when one kilogram of hydrogen gas at 25C and one atmosphere is combined with enough oxygen gas to make liquid water at 25C?

Geometry ONE MULTIPLE CHOICE QUESTION PLEASE HELP!
count to find the value of the colection of coins

algebra
making lemonade requires water and lemon juice in the ratio of 3 cups of water to 2 cups of lemon juice. You need a total of 10 allons for the fair. How many cups of lemon juice do you need?

physics
A 1,040-N crate is being pushed across a level floor at a constant speed by a force of 350 N at an angle of 20.0° below the horizontal; (a) What is the coefficient of kinetic friction between the crate and the floor? (b) If the 350-N force is instead pulling the block at a...

geometry
Describe the image of D first reflected across line l then across line m. You have the letter D then a line up and down L then a space and then a line up and down M. Not sure how to describe the image.

geometry
Is one flag a translation of the other, or a rotation image? Please explain looks like the flag is the same above the line as it is below the line. I think translation but not sure how to explain.

geometry
find the image vertices for a dilation with center (0,0) and a scale factor of 4

geometry
P-->P1(-8,-3) for the glide reflection where the translation is (x,y)-->(x-2,y-5) and the line of reflection is y=-x find the coordinates of P. Can someone please help

Political Science
Based on Bryan Caplan's book, The Myth of the Rational Voter: Offer your own opinion, and critical analysis, to Caplan’s argument about “rational irrationality.” What are the implications about Caplan’s story for American democracy? Do you agree with hi...

physics
Josh starts his sled at the top of a 2.0 m-high hill that has a constant slope of 25 degrees . After reaching the bottom, he slides across a horizontal patch of snow. The hill is frictionless, but the coefficient of kinetic friction between his sled and the snow is 0.07.

ap chemistry
I believe you made a slight error in the last calculation from mmol --> mol. The answer should be around 3.8L.

Math (shown work, please help check)
Miss B. built a vegetable garden in her backyard. Her rectangular garden was 11m by 9m. Every morning she would notice carrots missing from her garden! In order to keep Bugs Bunny from eating all her carrots, she built a fence surrounding them. This fence had a total perimeter...

Math - just need answer checked
Miss B. built a vegetable garden in her backyard. Her rectangular garden was 11m by 9m. Every morning she would notice carrots missing from her garden! In order to keep Bugs Bunny from eating all her carrots, she built a fence surrounding them. This fence had a total perimeter...

Math
How to Generate Pythagorean Triples using an Odd Number 1. Start with an odd number, e.g. 3. Then the square of 3 can be expressed as the sum of two consecutive numbers, i.e. 32 = 9 = 4 + 5. Therefore the Pythagorean Triples are {3, 4, 5} since 32 + 42 = 52. Generate another s...

Math
1. Start with an odd number, e.g. 3. Then the square of 3 can be expressed as the sum of two consecutive numbers, i.e. 32 = 9 = 4 + 5. Therefore the Pythagorean Triples are {3, 4, 5} since 32 + 42 = 52. Generate another set of Pythagorean Triples starting with the next odd num...

algebra
A DVD player's laser reader helps to "read" the information on the DVD. A particular laser reader measures 0.56 micron thick. Does this fall with the required standards if a company uses |t - 0.03| less than or equal to 0.525 for determining the part to be accept...

algebra
a bump on a dvd needs to be between 0.45 and 0.55 micron wide and between 0.95 and 0.99 micron high write two absolute value inequalities describing the width (x) and height (y) of the bump graph each inequality on separate number lines

Physics
i think its 3.7 meters but thats a lil advanced for me so idk

Pre-calculus
If cosx=4/5, cosy=12/13 in Quad. IV, find sin(x+y)

Pre-calculus
If cosx=4/5, cosy=12/13 in Quad. IV, find sin(x+y)

Math
A nickel pyramidal paper weight has a square base of sides 5 cm and a height of 3 cm. What is the mass of a dozen such paper weights if the mass of 1 cm^3 of nickel is 8.9g?

geometry
in traingle FGH, angle 42 is equal to 42 and an exterior angle at vertex H has a measure of 104. What is angle G?

Physics
C = epsilon0*A/d = 8.85*10^-12*0.849/0.001 = 7.51*10^-13 farads Your steps are correct but your answer is miscalculated.

algebra 1
USING EQUATIONS THAT FACTOR How to turn fifteen more than the square of a number is eight times the number into an equation.

geometry
7x over 5 = 42 over 3

Chemistry
972

Chemistry
If a 45.3-g sample of potassium nitrate is dissolved in enough water to make 225 mL of solution, what will be the molarity?

Titration Graph?
Use a spreadsheet to prepare a family of graphs for the titration of 50.0 mL of 0.020 M H2A with 0.100 M NaOH. Consider the following cases: (a) pK1 = 4.00, pK2 = 8.00; (b) pK1 = 4.00, pK2 = 6.00; (c) pK1 = 4.00, pK2 = 5.00.

MATH
Again $25 :P

MATH
Wait my mistake i mean regular price %25

MATH
The regular price is $20. The sale price is $20. What is the discount rate?

English
Please check.

English
imperative mood

English
indicative mood

English
What is the verb mood of the sentence? Wear your coat when you are in the snow. indicative mood imperative mood subjunctive mood

English
present progressive

English
What is the tense of the underlined verb in the following sentence? "I will be studying his painting techniques this summer." present emphatic present perfect progressive future progressive present progressive under lined verb ( will be studying)

English
Please check my answer.

English
In the following sentence, what kind of phrase is "Moving away"? "Moving awat made my little cousin sad." prepositional gerund infinitive participle

English
Please check.

English
predicate adjective

English
"The grain of the western prairies is a major source of income." direct object indirect object predicate nominative predicate adjective Choose the answer that correctly identifies the underlined word. (source)

English
Please check.

English
predicate nominative

English
predicate adjective

English
"Western Canada also gives us the part of the Kwakiutl Indians." direct object indirect object predicate nominative predicate adjective Choose the answer that correctly identifies the underlined word. (us)

English
Please check for me.

English
participal

English
In the following sentence, what kind of phrase is " to play basketball"? "Porpoises have been to play basketball."

English
Can someone please check my answer.

English
In the following sentence, what kind of phrase is " to the library"? "I will be going to the library soon."

math
Jeremy can type 144 words in 144 min. How many words can he type in 10 min at the same rate. Show work

math
swimsuit discounted 65% on sale for $20.30

math
70 pennies decreased by 20%

science
how adipose tissue function when nutrients are plentiful and scarce. Describe what happens to this tissue during a weight loss program and why it’s difficult to keep the lost weight off. Discuss liposuction and state if this is a good method to decrease the amount of adip...

math
42 customers increased by 50%

College Algebra
using the knowledge of systems of equations, and that the equation of a circle is (x-h)^2 + (y-k)^2 = r^2, where (h,k) is the center and r is the radius. Find the equation of a circle that contains the following points: (6,2), (4,6), and (-3,5). (These 3 points each create an ...

College Algebra
using the knowledge of systems of equations, and that the equation of a circle is (x-h)^2 + (y-k)^2 = r^2, where (h,k) is the center and r is the radius. Find the equation of a circle that contains the following points: (6,2), (4,6), and (-3,5). (These 3 points each create an ...

math
Find all roots of P(x)= X^4 - 7/2 X^3 + 6x^2 -28x -16

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