Friday

October 21, 2016
Total # Posts: 1,354

**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*

**math**

well she does but not a lot do not answer the math question the first one or if you want to you can

*January 7, 2016*

**math **

what is the meaning for division symbols like bruh someone help me even my teacher doesn't know them all

*January 7, 2016*

**science**

what is the distance for a race car that travels around a 1 mile track like i don't even know and it kepps giving me displacement when its actually distance not displacement like bruh

*January 7, 2016*

**LANGUAGE ARTS**

yes that is how you write a haiku and it goes 575

*January 7, 2016*

**algebra 2 A**

Try 175 with a height of 500 feet.

*October 28, 2015*

**Physics**

are you guys sure that the answer i mean really

*October 28, 2015*

**Physics**

Your 50 lb sister is seated at one end of a 12 ft teeter totter. If the fulcrum is in the center, what is the moment of her weight? If you weigh 100 lbs, how far from the fulcrum must you sit in order to balance her? (I thought it may be 6 feet)

*October 28, 2015*

**Algebra**

A rectangle with a perimeter of 172ft needs how many tiles that are ft squares !! I'm thinking 172 bc 1ft 1 by 1ft is still 1ft

*October 23, 2015*

**Algebra**

How many 1ft tiles are needed if the perimeter is 172 ? The rectangle is 60 x 26 !! So I took 60x2 + 26x2 =172 I'm thinking bc the tiles 1ft square so 172

*October 23, 2015*

**Math**

it is a logic puzzle question

*October 13, 2015*

**Math**

the whole question

*October 13, 2015*

**Math**

could someone please answer this question it really confused me and I am stuck.

*October 13, 2015*

**Math**

The five candidates for mayor in the town Smallville were members of these five parties: conservative, Democrat, Independent, Liberal, and Republican. Their names are Goshen, Hargreaves, Jensen, Liebowitz, and Nelson. From the information given, determine not only the party to...

*October 13, 2015*

**math**

A basketball player is 6 ft. 4 in. tall and a volleyball player who is 1.75 m. 17. How tall is the basketball player in meters? How tall is the volleyball player in feet? (round to one decimal place)

*September 30, 2015*

**math **

Vesna Vulovic survived the longest fall on record without a parachute when her plane exploded and she fell 6 miles and 551 yards. What is this distance in yards? What is this distance in meters? (round yards to nearest whole number, round meters to one decimal place)

*September 30, 2015*

**Math**

Algebra addition properties and subtraction rules

*September 21, 2015*