Tuesday
December 6, 2016

Posts by Angie

Total # Posts: 1,371

Algebra
8-3/4c=5
December 2, 2016

Algebra
8-3/4c=5
December 2, 2016

Math
8-3/4c=5
December 2, 2016

Math
A taxicab charges $2.50,plus$1.78 per kilometer. How long is a trip that costs 21.19?
December 2, 2016

Math
A cookie recipe calls for 2-3/4 cups of flour and 1-1/4 cups of sugar. If the amount of the ingredients are increased proportionally, and the amount of sugar is increased to 10 cups, how many cups of flour would be needed?
December 1, 2016

science
Provide at least three examples of real-world applications in use or in development with reliable references.
November 26, 2016

science
Discuss current or future applications of nanotechnology in fields such as medicine, engineering, space exploration, fuel cell development, air and water purification, and agriculture.
November 26, 2016

science
Discuss how materials science has advanced to the stage where materials can be engineered to fit a specific purpose.
November 26, 2016

science
Provide an example of an application or object that is made of materials specifically engineered for that purpose.
November 26, 2016

science
Discuss scientific and technical concepts related to materials science for plastics
November 26, 2016

Chemistry
Write a balanced overall reaction from these unbalanced half-reactions. Sn->Sn2+ Ag+->Ag Balanced overall equation I got Sn+2Ag+->Sn+2Ag, but its wrong.
November 20, 2016

chemistry
Suppose f??(x)=?36sin(6x) and f?(0)=?5, and f(0)=?3 f(?/3)=?
November 18, 2016

chemistry
Suppose f??(x)=?36sin(6x) and f?(0)=?5, and f(0)=?3 f(?/3)=?
November 18, 2016

Chemistry
An unknown metal has a mass of 4.67g. It is heated to 95.1 C and then placed in a calorimeter that contains 24.3g of water at 21.7 C. The metal and water both reach a final temperature of 24.6 C. What is the specific heat of this metal? What is the unknown metal? Q=mcdeltaT c=...
November 16, 2016

chemistry
Suppose 5 ? f(x)dx=6 ? 2 3 ? f(x)dx=1 ? 2 5 ? f(x)dx=4 ? 4 4 ? (6f(x)?1)dx= ? ? 3 help, please? I got the answer of 5, but it says its wrong
November 11, 2016

Grammer
I don't know
October 17, 2016

math
identify the situation that each graph could represent
October 16, 2016

math
find the function rule x -2 -1 0 1 2 y 9 4 -1 -6 -11
October 15, 2016

Calc I (@Reiny)
@Damon, Not sure why, but my post was posted twice. But I saw her response, thank you !
October 10, 2016

Calc I (@Reiny)
y = x^3 - 8x^2 + 6x -2 has a slope of 6 at two points, what are the coordinates? I used Reiny's way to help solve this answer. Please check if I've done it correct: y'= 3x^2-16x+6 3x^2-16x+6=6 3x^2-16x=0 x(3x-16)=0 Solve for x's x=0 3x-16=0 ~> x=16/3 Plug x ...
October 10, 2016

Calc I (@Reiny)
@Reiny, Thanks again!
October 10, 2016

Calc I (@Reiny)
y = x^3 - 8x^2 + 6x -2 has a slope of 6 at two points, what are the coordinates? I used Reiny's way to help solve this answer. Please check if I've done it correct: y'= 3x^2-16x+6 3x^2-16x+6=6 3x^2-16x=0 x(3x-16)=0 Solve for x's x=0 3x-16=0 ~> x=16/3 Plug x ...
October 10, 2016

English
5. Would be incorrect
October 10, 2016

Calculus I
*** wait. I mean x(3x-16)=0, I'm not sure what's wrong with my eyes. But I will try to figure out how to do it now. Thank you again
October 10, 2016

Calculus I
Thanks for your help! But wouldn't the derivative be y'=3x^2-16x+6 not 3x^2-15x+6? Then I'll have x(3x-16x)=0 x=0 3x-16x=0 ~> -15x=0 , x=0 I'm confused even more now...
October 10, 2016

Calculus I
y = x^3 - 8x^2 + 6x -2 has a slope of 6 at two points, what are the coordinates? I did the power rule to derive the equation: y'= 3x^2 - 8x + 6 , and then I tried to factor it to find the x intercepts but it doesn't work. But anyway, my point of confusion is where does...
October 10, 2016

chemistry
The formula for sulphuric acid is H2SO4. So, first you add up the masses of all the components in the formula. 2 hydrogens = 1u * 2 = 2u + 1 sulphur = 32u + 4 oxygens = 16u * 4 = 64u = 98u 98u is the mass of the compound, I'm not sure which element you are trying to find ...
September 28, 2016

english
There is a text named Adolescent Confusion by Maya Angelou, and I have to write a paragraph about : Most teenagers are, at times, as impulsive and unthinking as Angelou was. Write a narrative about a time during your teenage years when you did something impulsively ,with ...
September 24, 2016

algebra 1
list from least to greatest square root 7, square root 3,-0.3,-7/4,0.1
September 20, 2016

physics
A particle B of mass 10g is shot vertically upward from a point O with velocity 10m/s. The horizontal plane containing O is the reference level of the gravitational potential energy .Neglect all air effects. a) Calculate the mechanical energy of the system at O. b) Calculate ...
September 19, 2016

Communication Arts
Thank you!
September 2, 2016

Communication Arts
Viewed through a telescope, the planet Mars looks rust-red because rust is a large component of its soil. Is this proper grammar??
September 2, 2016

Communication Arts
Oh, okay. Thank you!
September 2, 2016

Communication Arts
THANK YOU SO MUCH!
September 2, 2016

Communication Arts
Grammar check please!!! Georgia O'Keefe was an American painter from Wisconsin. Whose detailed close-ups of flowers brought her world renown.
September 2, 2016

Math
If 18 gallons of gas costs X dollars what is the expression to represent the cost in dollars of 3 gallons
July 13, 2016

Algebra
the width w of a rectangular swimming pool is x-2. The area of the playground is x^3-5x^2+2x+8. What is an expression for the length of the playground. x^2+3x+4 x^2+3x-4 x^2-3x+4 x^2-3x-4
June 2, 2016

algebra 1
Use the following statement to answer parts a) and b). One hundred raffle tickets are sold for $3 each. One prize is to be awarded. Raul purchases one ticket. a). Determine his expected value. b). The fair price of a ticket is?
May 25, 2016

algebra
A survey of 70 Customers was taken at a bookstore regarding the types of books purchased. The survey found that 42 customers purchased mysteries, 34 purchased science fiction, 24 purchased romance novels, 18 purchased mysteries and science fiction, 12 purchased mysteries and ...
May 25, 2016

physics
got it! thank you so much!!
May 13, 2016

physics
when I solve for that, i got -8.5 which can't be possible seeing the car started at 13. did i do something wrong?
May 13, 2016

physics
what about a 5,000 kg truck rear-ends a 1200 kg car that has been traveling at 13 m/s, causing the truck to slow down from 14 m/s to 12 m/s and the car to speed up. What is the final velocity?
May 13, 2016

physics
I need so much help, thanks in advance! Determine the gravitational energy of your 3kg physics binder a) relative to the table it sits on b) relative to the floor, 0.68 meters below the book c) relative to the floor 2.5 meters above the book
May 13, 2016

physics
reposted- sorry for the confusion and thanks of the help
May 13, 2016

physics
Final velocity of the car that is
May 13, 2016

physics
what about a 5,000 kg truck rear-ends a 1200 kg car that has been traveling at 13 m/s, causing the truck to slow down and the car to speed up. What is the final velocity?
May 13, 2016

physics
Two trains approach one another. Train A has a mass of 500,00 kg and is moving at 34.0 m/s. Train B has a mass of 350,00 kg and is moving at 42 m/s. They collide and stick together. What is the velocity and direction of the combined masses
May 13, 2016

physics
understood thanks! i was overlooking the opposite direction
May 13, 2016

physics
why do you add the 40 and 64...should you not calculate the change in them?
May 13, 2016

physics
thank you!
May 13, 2016

physics
A bat exerts force of 755N on a 320g ball that approaches the bat at 40 m/s and leaves at 64 m/s. How long was the ball in contact with the bat?
May 13, 2016

math
Kate Davidson signed a simple discount note for $9,000. The discount rate is 5%, and the term of the note is 18 months. What is the annual percentage yield (APY)?
May 6, 2016

math
Israel signed a simple discount promissory note for $15,000. The discount rate is 7.5%, and the term of the note is 120 days. What are Israel’s proceeds on the loan?
May 6, 2016

math
Alicia borrowed $8,500 at 6% ordinary interest for 180 days. After 40 days, she made a partial payment of $2,000. After another 70 days, Alicia made a second partial payment of $2,000. What is the final amount due on the loan?
May 6, 2016

math
Webster Digital received a promissory note of $8,000 for 9 months at 7% simple interest from one of its customers. After 4 months, the note was discounted at Bank of Aventura at a discount rate of 10%. What are the proceeds Webster Digital will receive from the discounted note?
May 6, 2016

math
What is the annual percentage yield (APY) of a simple discount note for $7,000 at a bank discount rate of 6%, for 3 months?
May 6, 2016

Common Core Math7
28
May 5, 2016

Common Core Math7
28
May 5, 2016

algebra
the base of a triangle is (c+2) ft and the area is (2c^3+16) ft^2. what is the height? please help me i don't understand how to solve for the height.
May 4, 2016

Math
what fraction of a pizza remains if Joe ate 4/5 of 1/2 a pizza
April 27, 2016

American History please Help
The influx of new immigrants in the 1980s and 1990s motivated many native-born Americans to A.campaign to make English their state’s official language. B.push for bilingual education programs in public schools C.boycott businesses that gave jobs to illegal immigrants. D. ...
April 22, 2016

American History
The results of the 2000 presidential election were difficult to determine because of A,Ralph Nader’s third-party candidacy b.both candidates being baby boomers c.voting irregularities in the state of Florida D.he Electoral College votes being evenly split. my answer is C ...
April 22, 2016

American History please Help
The initial impact of containment theory on Truman’s foreign policy can be seen in the president’s A,relationship with Yugoslavia’s Josip Tito. B.decision to intervene in the Greek civil war C,efforts to break the blockade of West Germany. D,offer to let the ...
April 20, 2016

Us history
provided financial support to state and local governments and made loans to banks, railroads, mortgage associations and other businesses.
April 20, 2016

American History
Both Richard Nixon and Joseph McCarthy advanced their careers by A.Accusing political opponents of being Communist collaborators. B, Serving on the HUAC C, practicing the “multiple untruth” approach to interviewing witnesses D,collecting and publicizing the names of ...
April 20, 2016

American History
Joseph Stalin was motivated to sign a nonaggression pact with Hitler. A,the Soviets’ need for economic and military aid B.Stalin’s desire to gain control of Eastern Europe c.Stalin’s sense that he needed to preempt a Nazi invasion. D.The need for an ally given ...
April 17, 2016

American History
The decision by Great Britain and France to sign the Munich Accord with Germany was considered an act of. A,isolationism b.internationalism. C.appeasement d.neutrality. My answer is B
April 17, 2016

American History
In the 1865 Mississippi Black Code what was the contracted penalty for intermarriage between a free negro and a white person? A .State annulment of the marriage B.Ten years in prison C.Life in prison D.The death penalty my answer is A
April 16, 2016

American History
The economy rebounded in 1897 due to the A. economic policies of President McKinley. B.withdrawal of the Populists from national politics C.discovery of gold in Alaska D. Decline of the general price index. My answer is A
April 16, 2016

Economics
You buy 100 shares of stock at $4.00 per share. You receive one dividend of 10 cents per share. You sell the stock 1 year later for $5.50 per share. The fee for selling the stock is $15.00. What is the total profit you made on the entire transaction?
April 11, 2016

Economics
You have a credit card that charges 18% per year interest or 1.5% per month . You buy a tv for $1000 on the credit card but at the end of the month you only pay $100. You continue to pay $100 the next month. You pay the entire balance in the third month. How much total ...
April 11, 2016

American History
Need help on one more question Which region of the country was a beneficiary of deindustrialization during the 1970s? A. Northwest B. midwest C. Southwest . D Northeast My answer is D.
April 9, 2016

American History
I answer is with C after looking at the text a little deeper and it was correct
April 9, 2016

American History
The goal of President Nixon’s foreign policy was to A.uphold democratic values and contain communism through the use of military force B.prevent South Vietnam from falling to communism, whatever the cost in American lives. C.achieve a stable balance of power among the ...
April 9, 2016

History
Which region of the country was a beneficiary of deindustrialization during the 1970s? A. Northeast B. Southwest . C. Midwest S,northwest My answer is Northeast
April 8, 2016

History
than it would be North east
April 7, 2016

History
Which region of the country was a beneficiary of deindustrialization during the 1970s? A . Northeast B. Northwest C, midwest D. southwest my answer is D southeast
April 7, 2016

History
Opposition to strong environmental protection regulations was motivated by A, Concern that regulation would hurt the economy and kill jobs. B. conservative resistance to expanding federal authority. C.refusal to believe that pollution was a serious problem D,complacency about ...
April 7, 2016

American History
My answer is B
April 7, 2016

American History
My answer is B
April 7, 2016

American History
What did John Kerry view as a chief disservice to returning soldiers that illustrated that they were unwanted by America. A. Americans viewed soldiers with distrust, and the administration viewed them with apathy. B.Soldiers returned with psychological injuries that were not ...
April 7, 2016

American History
How would Spiro Agnew characterize the antiwar protesters’ A. Militant and socialist B. Emotional and Illogical c. Angry and wrong D. Unorganized and radical
April 7, 2016

American History
how did spiro agnew characterize the anti war protesters’ A. Militant and socialist B. Emotional and Illogical c. Angry and wrong D. Unorganized and radical My answer is B
April 7, 2016

American History
Which statement below summarizes President Richard Nixon’s policy of Vietnamization. A. Train the South Vietnamese so America can slowly withdraw its troops B.Order an immediate removal of Americans from Vietnam. c. Meet with the North Vietnamese and negotiate peaceful ...
April 7, 2016

American History
According to the protest footage who organized the American demonstrations? A. The student Nonviolent Coordinating committee. B.Anonymous leadership c.A loose coalition of antiwar groups d. students under the leadership of abby Hoffman my answer is D
April 7, 2016

American History
Thank you
April 7, 2016

American History
What is Nell Irvin Painter’s best counter-argument to Bob Dole’s claim that “fighting discrimination should never become an excuse for abandoning the color-blind ideal. A. The color-blind ideal is unrealistic, and abolishing affirmative action will prevent ...
April 7, 2016

chemistry
How much energy is obtained if 11.2g of hydrogen gas are allowed to react with excess fluorine? H2 (g) + F2 (g)--- 2HF (g) + 124kcal
April 7, 2016

Chemistry
Is the formation of C2H2 endothermic or exothermic?
April 3, 2016

PHYSICS
Hooke's Law: 1.) If it takes 10 N to compress a spring 20cm, how much energy will be stored in the spring when it is stretched 50cm. ***Also, for ex: If I am doing work against a restoring force, say, doing work against gravity, what kind of force is the elastic force of a...
March 23, 2016

algebra
Square root of 39 (square root of 6 minus 4)
March 20, 2016

math
Michael ran 2/3 of a mile for 3/4 hours. How many miles would Michael run per hour?
March 9, 2016

Math
A. Explination: Let x = width Let (6/5)x = length (NOTE: 6/5 is the same as 1 1/5) Area = width * length 480 square inches = x * (6/5)x 480 = (6/5)x^2 (NOTE: now use order of operations) 400 = x^2 (NOTE: take the square root of both sides, to cancel out the exponent) 20 = x If...
March 5, 2016

Health Truth or False PLEASE CHECK ANSWERS
Nvm mine are wrong :)
February 23, 2016

Health Truth or False PLEASE CHECK ANSWERS
Shirley is wrong its 1.B 2.B 3.A 4.A 5.B 6.A 7.A 8.A 9.B 10.A
February 23, 2016

us history
Which factor contributed to growing conflict over slavery from the 1820s through the 1850s
February 18, 2016

algebra
see if you multiply 2times3 times k divide by 3 and h what is the answer
January 11, 2016

Math
i think D. 175%
January 11, 2016

Math
lets see think about if you have 2/3 pound of roast beef and 1/2 pound of cheese then lets calculate 2/3 +1/2 ------ 3/5 easy
January 11, 2016

math and science both
my stuff needs an answer please
January 7, 2016

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