Wednesday

January 18, 2017
Total # Posts: 1,068

**Physics**

A car moving at 60 km/h skids 13 m with locked brakes. How far will the car skid with locked brakes at 180 km/h?

*January 9, 2017*

**Science/Biology/Health and Social Care**

What would happen if the body didn't have any energy? I have looked at Anabolism and Catabolism but I am overall, stuck answering this fully.

*November 29, 2016*

**Science**

nvm I got my answer :)

*November 28, 2016*

**Science**

Why is photosynthesis an example of a chemical reaction, and why is it classified as endothermic? Help please

*November 28, 2016*

**Math**

A ten-foot-long board is cut into three pieces. The second piece is half as long as the first. The third piece is 4 feet longer than the second. How long is the first piece? Answer: 2 3/4 feet If f(x)=2x2+1/2x-4, what is f(-1/2)? Answer: -15/4 **I am studying for a test and am...

*November 14, 2016*

**Math**

A boy is mowing a rectangular lawn 40ft long and 30ft wide. He has cut all of it except for a rectangle that is 20ft long and 15ft wide. What fractional part of the lawn remains uncut? I need helping figuring out how to solve this. My answer sheet says its 1/4 but I don't ...

*November 13, 2016*

**Math**

22 people. Thank you, this help will help me so much for future questions

*October 27, 2016*

**Math**

Have trouble with math mixtures problem!! AT a family reunion, the average age of all those present was 45 years. If the two oldest people, aged 86 and 84 years, had not been present, the average age would have been 41 years. How many peoeple were at the reunion.

*October 27, 2016*

**Math**

100 yellow, 105 pink, and 410 red. Thank you so much this really help

*October 27, 2016*

**Math**

I am having trouble with this math Mixture problem. shirley has a quantity of yellow tulip bulbs worth .10 cents each, pink tulip bulbs worth .20 cents each and red tulip bulbs worth .25 cents each. In her total collection of bulbs, there are five more pink bulbs than yellow ...

*October 27, 2016*

**Math HELP!**

Point 1 (x1,y1)= (3,2) Point 2 (x2,y2)= (5,6) Slope: m=rise/run ; m=y2-y1/xs-x1 ; m= 6-2/5-3 = 2 m=2 Point slope form: (y-y1)=m(x-x1) I used point 1 so, y-2=2(x-3) Answer: y=2x-4 and the answer would be the same if I used point 2 (5,6) MY QUESTION IS: Using the points given ...

*October 24, 2016*

**physics**

A car starts from rest and accelerates for 8.7 s with an acceleration of 4.4 m/s 2 . How far does it travel? Answer in units of m.

*October 23, 2016*

**math**

S varies directly to the square of t. Given that S = 100, when t = 4, calculate the value of: a) k, the constant of proportionality b) S when t = 8 c) t when S = 1

*October 20, 2016*

**math**

wx + zy = c Solve for y. I don't understand this. If you know what Carnegie is, then you would know I don't really understand. So please help me. help me with the steps

*October 13, 2016*

**Maths**

The question is find the common factors of 12x, 36 When we solve it ; 12x =2×3×2×(×) 36=2×3×2×3 Common factors 2 , 2 and 3 then why fo we multiply the these numbers *in my book the answer is 2×2×3 =6 ( the question says ...

*October 11, 2016*

**Math**

A farmer has two blends of grain, one 50% barley and the other 20% barley. How many pounds of each each blend should be used to create a 45 pound mix that is 30% barley ?

*October 9, 2016*

**chemistry**

Molten Al2O3 is reduced by electrolysis at low potentials and high currents. If 1.5 x 10^4 amperes of current is passed through molten Al2O3 for 8.0 hours, what mass of Al is produced? Assume 100% current efficiency? Mdep = ([1.5 x 10^ x 28800s ]/ 96500) x (26.98/6e) = 20130g ...

*October 7, 2016*

**Math**

leila, Henry, and Miguel have a total of 87 in their wallets. Henry has 2 times what Miguel has. Leila has 5 less than Miguel. How much does each have?

*October 5, 2016*

**PsychologicaStatistics**

Suggest one psychological research question that could be answered by each of the following types of statistical tests: z test t test for independent samples, and t test for dependent samples

*October 1, 2016*

**math**

seven less than a number is 14 more than 2 times that number. what is that number

*September 29, 2016*

**Chemistry**

The half life of radon 222 is 3.82 days. If the initial mass of a sample of radon 222 is 198.72 grams, how much will remain after 19.25 days?

*September 29, 2016*

**English**

I'm not sure how to start my introduction paragraph in this 5 page essay im *discussing the effects of Loneliness and Rejection & also include psychological research and references to the novel, Frankenstein by Mary Shelley. I have info on Frankenstein but I'm not sure...

*September 20, 2016*

**CHEMISTRY**

As a technician in a large pharmaceutical research firm, you need to produce 450. mL of 1.00 M a phosphate buffer solution of pH = 7.20. The pKa of H2PO4− is 7.21. You have 2.00 L of 1.00 M KH2PO4 solution and 1.50 L of 1.00 M K2HPO4 solution, as well as a carboy of pure...

*September 18, 2016*

**chemistry**

Which of the following is an ortho directing group? a) CN b) CO2Me c) OMe d) NO2 I have drawn most of them out, CN has no delocalised electrons to contribute e- density hence EWG. For NO2 inductive effect is strong and hence is a EWG and meta directing. OME EDG -> Ortho im ...

*September 10, 2016*

**math**

Karl has an annual salary of $22,000 and pays $250 each month for car insurance. a) Find Karl’s annual cost for car insurance b) Karl’s payments on car insurance is what percentage of his annual income?State your answer to the nearest whole number.

*August 26, 2016*

**SOC120**

10. Florynce Kennedy would agree with which statement? (Points : 1) A) Making abortion illegal is the result of continual undermining of women’s rights. B) If men could get pregnant, abortion would be illegal. C) Women have had historical power to make decisions about ...

*June 30, 2016*

**chemistry**

The equilibrium constant for the reaction Cu3(PO4)2(s) 3 Cu2+(aq) + 2 PO43–(aq) is K = 1.40 x 10–37. Suppose that a beaker is filled to 1 L with a solution containing [Cu2+] = [PO43–] = 10.0 nM, and ...

*June 7, 2016*

**math**

Write this in scientific notation. (1.4*10^1)(8*10^4) a)9.4*10^4***** b)9.4*10^5 c)1.12*10^5 d)1.12*10^6 Please cheek my answer i am not sure if I am right or wrong.

*May 29, 2016*

**chemistry**

Suppose that 9.6 mL of 1.5 M KOH(aq) is transferred to a 250 mL volumetric flask and diluted to the mark. It was found that 31.5 mL of this diluted solution solution was needed to reach the stoichiometric point in a titration of 9.6 mL of a phosphoric acid solution according ...

*May 29, 2016*

**chemistry**

it was 0.1906 i figured it out

*May 29, 2016*

**chemistry**

QUESTION 4 Data Set 3: 47.65 mL of a standard 0.1000 mol L–1 HCl solution is used to titrate a 0.3827 g sample containing NaOH and other impurities. None of the impurities reacted with the HCl. What is the mass of NaOH in the sample? a. 0.1737 g b. 0.2103 g c. 0.1906 g d...

*May 29, 2016*

**science**

Chromium (III) iodate has a Ksp at 25°C of 5.0 x 10–6. 125 mL of a solution contains 0.0050 mol L–1 Cr (III) ion. Possible answers: a. 8.4 x 10–2 mol L–1 b. 2.2 x 10–3 mol L–1 c. 6.3 x 10–2 mol L–1 d. 2.1 x 10–2 mol L–1 ...

*May 27, 2016*

**chemistry**

QUESTION 11 Information Set 1: Chromium (III) iodate has a Ksp at 25°C of 5.0 x 10–6. 125 mL of a solution contains 0.0050 mol L–1 Cr (III) ion. What is the molar solubility of chromium (III) iodate at 25°C? a. 8.4 x 10–2 mol L–1 b. 2.2 x 10–3 ...

*May 27, 2016*

**Chemistry**

Chromium (III) iodate has a Ksp at 25°C of 5.0 x 10–6. 125 mL of a solution contains 0.0050 mol L–1 Cr (III) ion. What is the molar solubility of chromium (III) iodate at 25°C? a. 8.4 x 10–2 mol L–1 b. 2.2 x 10–3 mol L–1 c. 6.3 x 10–...

*May 27, 2016*

**chemistry**

Chromium (III) iodate has a Ksp at 25°C of 5.0 x 10–6. 125 mL of a solution contains 0.0050 mol L–1 Cr (III) ion. What is the molar solubility of chromium (III) iodate at 25°C? a. 8.4 x 10–2 mol L–1 b. 2.2 x 10–3 mol L–1 c. 6.3 x 10–2...

*May 27, 2016*

**chemistry**

A buffer is prepared consisting of 0.75 mol of sodium dihydrogenphosphate, NaH2PO4, and 0.60 mol of sodium hydrogenphosphate, Na2HPO4, dissolved in 600.0 mL of water. The Ka for the dihydrogenphosphate ion is 6.2 x 10–8 at 25°C. Which of the following is another ...

*May 27, 2016*

**Exexponential Growth Modeling**

Researchers find that there are 60 Raccoons on an island. When they return a year later, they find that there are 84. What is the annual population growth rate for the raccoons?

*April 30, 2016*

**linear modeling**

The fair market rental rate for Columbus was $730 in 2013 and $551 in 2003. Find the average rate of change for rent in Columbus during this period.

*April 24, 2016*

**English rammar, Please correct my sentenced gramma**

April 20,2016 Genecito Jimenez Lot 32 Blk 96 Bautista st. Zone 10 Dasmarinas City Cavite. tel: 046-4725645 Dear Sir, Mrs. Maria Teresa P. Eleon is permanently staying in my apartment with her family and she is a good person in our community. Please kindly allow her to open a ...

*April 19, 2016*

**Math, word problem**

A gardener needs to enclose three adjacent rectangular gardens, one for tomatoes, one for squash, and one for pumpkin. If 400 feet of fencing is available, what is the largest total area that can be enclosed?

*April 18, 2016*

**math**

which three-dimensional figure has all triangular faces? A. triangular prism B. triangular pyramid***i pick B.*** C. rectangular pyramid D. cone

*April 1, 2016*

**Social Studies**

I got 3 last questions to ask. 1. Nation state a and nation state b share a border. the two nation-states are arguing over immigration policies regarding the border. what are two ways that the nation-sates could resolve their dispute? 2. How might citizens engage in civic life...

*March 24, 2016*

**Social Studies**

Ah, it'd be D then, right?

*March 24, 2016*

**Social Studies**

The federal system and the unitary system most differ in that, A-): The unitary system has many different levels of government, but the federal system does not. B-): The Federal system allows citizens to vote on leaders, but the unitary system does not. **** C-): The unitary ...

*March 24, 2016*

**Social Studies**

Thank you!

*March 24, 2016*

**Social Studies**

Which of the functions would an international organization not perform? A-) Encourage greater trade among nation-states. B-) Help establish treaties between nation-states. C-) Set binding laws for nation states. ***** D-) Support multinational health and education services.

*March 24, 2016*

**Algebra**

Tɨċҡɛts tօ a ʍɨɖɖʟɛ sċɦօօʟ sօċċɛʀ ɢaʍɛ ċօsts $4 ʄօʀ ċɦɨʟɖʀɛռ aռɖ $5 ʄ...

*March 21, 2016*

**Calculus**

Given that the antiderivative of f(x) = e4x is F(x) = 1/4e^4x+C, evaluate the integral from 0 to 2 of e^4x, dx. e^8 1/4(1-e^8) 1/4(e^8-1) 1/4e^8 (MY ANNSWER)

*March 15, 2016*

**Calculus**

Determine the interval on which f(x) = ln(x) is integrable. (0, ‡) [0, ‡) (−‡, 0) U (0, ‡)(MY ANSWER) All reals

*March 15, 2016*

**english**

nevermind i got it

*March 14, 2016*

**english**

yes i really don't get it

*March 14, 2016*

**english**

II. By the end of Romeo and Juliet, Paris and Romeo, both of whom loved Juliet, are dead. The two characters, however, are very different. Write an essay comparing and contrasting the two men. The introduction of your essay should include an attention-getter and thesis ...

*March 14, 2016*

**biochem'**

A flask contains 300 ml of 0.4M NaCl. ¿How many moles of NaCl are in 15ml?

*March 14, 2016*

**Science.**

Glad you were able to figure it out!!

*March 3, 2016*

**Math**

Your computer supply store sells two types of laser printers. The first type, A, has a cost of $86 and you make a $45 profit on each one. The second type, B, has a cost of $130 and you make a $35 profit on each one. You expect to sell at least 100 laser printers this month and...

*March 3, 2016*

**English**

You are very welcome!! So glad I could help! :) Have a happy day!

*March 3, 2016*

**English**

The answer is A- point of view.

*March 3, 2016*

**Math**

A statement Sn about the positive integers is given. Write statements S1, S2, and S3, and show that each of these statements is true. Show your work.Sn: 1^2 + 4^2 + 7^2 + . . . + (3n - 2)^2 = Not exactly sure how to do this! Could someone help?

*March 3, 2016*

**life orientation**

Post traumatic stress disorder (PTSD)

*March 3, 2016*

**Chemistry**

I have to summarize 10 articles relating to the topics we had covered in class. However, there are 3 sources out of the 10 that I don't understand. Could someone possibly go through the sources and summarize them. 1.) This article covers Nuclear Chemistry (Nuclear Reactors...

*February 27, 2016*

**algebra**

In a triangle,the second angle is twice the first. The third angle is six less than triple the first.

*February 23, 2016*

**algebra**

In a triangle,the second angle is twice the first. The third angle is six less than than triple the first.

*February 23, 2016*

**Chemistry**

A 25.00 mL sample of sulfuric acid is titrated with 6.02 x 10^2 M barium hydroxide. The equivalence point is reached at 21.68 mL of barium hydroxide solution. what is the molarity of the sulfuric acid solution?

*February 23, 2016*

**Calculus**

i don't know what the right answer is, but 24 was not considered the correct answer

*February 21, 2016*

**math**

log5 4 log5 - 2x = log31

*February 15, 2016*

**Algebra 2**

How would you write a polynomial function with rational coefficients so that P(x)=0 has the given roots? The given roots are -2,-2,3,5

*February 14, 2016*

**college algebra**

I'm completely drawing a blank on how to do this. A woman has $500,000 invested into two real estate properties. One yields an annual return on 12% and the other returns 15% per year on her investment. Her total annual return from the two investments is $64,500. If X ...

*February 9, 2016*

**lim**

I'm completely drawing a blank on how to do this. A woman has $500,000 invested into two real estate properties. One yields an annual return on 12% and the other returns 15% per year on her investment. Her total annual return from the two investments is $64,500. If X ...

*February 9, 2016*

**Math**

1. 2 / 9 + 1 /3 2. 1 / 7 + 3 /21 3. 2 /3 + 1/5 4. 1/4 + 2/3 5. 112 + 4 6 6. 1/2 + 2/ 5 7. 1/6 + 5 /12 8. 4/6 + 1/3 9. 1 / 5 + 1 / 8 10. 3/4 + 1 /9 11. 6 /12 + 1/3 12. 4 / 8 + 1/2 OMG help me please anyone and simplify and show all work.

*February 9, 2016*

**Social Studies**

We read a article called, "The Coming of the Pink Cheeks" by Chief Kabongo and Richard Barbe Baker. The question that we have to answer is, What examples of eurocentrism and paternalistic attitudes can you find in the article?

*February 5, 2016*

**english**

ok thx guys

*January 29, 2016*

**english**

srry that answer look like this his love for Penelope his loyalty to the gods **** his pride in his bow his skill as a marksman

*January 29, 2016*

**english**

In the Odyssey, which of Odysseus' traits allows him to triumph in the bow-and-arrow challenge that Penelope sets for her suitors? (1 point) his love for Penelope his loyalty to the gods **** his pride in his bow his skill as a marksman i think B

*January 29, 2016*

**english**

ok thx nerdy

*January 29, 2016*

**english**

ya thanks nirv

*January 29, 2016*

**english**

ya that's nirv

*January 29, 2016*

**english**

For the following questions, match each word to its definition by filling in the correct letter. wise deceptively charming enormous passion sound; fit competing awe-inspiring sinister; threatening Use the word bank to answer the question. 4. ardor (1 point) Use the word bank ...

*January 29, 2016*

**Economics**

en.wikipedia. org/wiki/Factors_of_production

*January 29, 2016*

**Economics**

ya it's A

*January 29, 2016*

**Math**

what

*January 29, 2016*

**Math**

Simplifying -2(-1y + -3) + 4y Reorder the terms: -2(-3 + -1y) + 4y (-3 * -2 + -1y * -2) + 4y (6 + 2y) + 4y Combine like terms: 2y + 4y = 6y 6 + 6y

*January 29, 2016*

**Math**

it's B

*January 29, 2016*

**Jiskha**

lol we all help each other,and yes thank you for help us do our homework

*January 29, 2016*

**Personal fitness**

answer srry typed it to fast

*January 28, 2016*

**Personal fitness**

srry i forgot my anwser it a can anyone help to see if i'm right or wrong

*January 28, 2016*

**Personal fitness**

There are three important benefits to the warm up session: (1 point) flexibility is increased, the muscle is pushed to its full potential, and the chance of dizziness or fainting caused by the pooling of blood in the extremities is reduced. aids in the dissipation of waste ...

*January 28, 2016*

**U.S. Gov. and Ec.**

np nirvana

*January 28, 2016*

**U.S. Gov. and Ec.**

ok what i got was A but i could be wrong of course cuz i'm not in that grade but from what i think it's A i was wrong with C i think

*January 28, 2016*

**U.S. Gov. and Ec.**

lol umm hold i'm looking but i think it's C but let me look

*January 28, 2016*

**Math**

thats so easy just write an equation solve it that come up with another one and solve it.

*January 28, 2016*

**Math**

i believe he had 70 but don't quote me on that

*January 28, 2016*

**U.S. Gov. & Ec.**

lol will if u need me u can email me at jessquick88@gmail. com ok cuz i have a report to do lol

*January 28, 2016*

**U.S. Gov. & Ec.**

lol ya so need anymore help i can try to help :)

*January 28, 2016*

**U.S. Gov. & Ec.**

and ur welcome for the help i guess lol

*January 28, 2016*

**U.S. Gov. & Ec.**

lol really wow funny i'min 9th but i guess that's why i didn't know it right away hope u do good on ur test or quiz

*January 28, 2016*

**U.S. Gov. & Ec.**

ya it's a

*January 28, 2016*

**U.S. Gov. & Ec.**

really oh ya ok srry i read it wrong it is A but i'll look

*January 28, 2016*