Tuesday

May 31, 2016
Total # Posts: 97,285

**math**

Let f = age of father and(f-24) = age of son After two years their sum of ages will be 40. So, (f+2) + (f-24) + 2 = 40 2f - 20 = 40 2f = 40 + 20 2f = 60 father(f) = 30 yrs
*April 19, 2016*

**science**

I think you need to use the resistivity formula R=rho(l/A) R is resistance, rho is resistivity, l is length and A is diameter Since you are given length and diameter, you know l and can find A which is the cross-sectional area of the wire. For resistivity, you can search up ...
*April 19, 2016*

**math**

The time it takes me to wash the dishes is uniformly distributed between 11 minutes and 20 minutes. What is the probability that washing dishes tonight will take me between 15 and 16 minutes? Give your answer accurate to two decimal places.
*April 19, 2016*

**Meteorology**

Warmer temperatures. In warmer temperatures, the average speed of the water molecules is faster, hence more molecules will be able to escape from the surface of the water into the air
*April 19, 2016*

**Chemistry - Oxidation-Reduction reactions**

4 KMnO4(aq) + 6 H2SO4(aq) = 2 K2SO4(aq) + 4 MnSO4(aq) + 6 H2O(l) + 5O2(g) That would depend on what your limiting reagent is. If it was KMnO4, then the calculation should not change. If it was H2SO4, the calculation will change according to volume etc However, since adding ...
*April 19, 2016*

**Chemistry - Oxidation-Reduction reactions**

how would your calculation of the molarity of KMnO4 be affected if you had added twice as much sulfuric acid and water as was called for in the procedure?
*April 19, 2016*

**Calculus I**

For what values of a and b is the line -4x+y=b tangent to the curve y=ax^3 when x=4? Can anyone give me the hint?
*April 19, 2016*

**Math**

I=Io-(I=/csc^2theta) =Io-Io(sin^2theta) =Io(1-sin^2theta) =Io(cos^2theta) For part b, assuming that it is the same type of light entering the lens, the intensity I entering should be the same. Then you can create two equations and use proportion to solve
*April 19, 2016*

**Calculus I**

if f(x)=24, find f'(11)? How can i find it?
*April 19, 2016*

**Pre-Calc**

Assume that x, y, z and b are positive numbers. Use the properties of logarithms to write the expression logb(4) sqrt((x^7 y^2)/(z^4)) in terms of the logarithms x, y, and z.
*April 18, 2016*

**Math**

The total cost of collars and embellishments Victoria buys has to be less than or equal to her budget. Hence 5C+2E "less than or equal" 1000
*April 18, 2016*

**Algebra**

Let the length of the third side be x The second side will be 10x(10 times) The third side is x-6(6 less) 64=x+10x+x-6
*April 18, 2016*

**algebra**

One side of Bill's mural is 10/(10-2y) times smaller than Ociel's. In total, his mural is (10/(10-2y))^2 times smaller
*April 18, 2016*

**Business**

(Algebra Question) Let the length of each side of the square room be x. Area of floor = x^2 Perimeter = 4x x^2-4x=60 Solve for x
*April 18, 2016*

**Math**

A bill of 4.60 was paid in quarters and nickels. If there were 28 coins in all, how many quarters were there?
*April 18, 2016*

**chem**

what mass of Cl2 is produced from the reaction of 665 g of Hal
*April 18, 2016*

**math**

568
*April 18, 2016*

**computer science**

Which language?
*April 18, 2016*

**math (ms sue)**

Try searching for formulas online with the form (a+b)^n Unfortunately, the website does not allow me to paste website links
*April 18, 2016*

**Math**

x P(x) 0 0.2 1 0.3 2 0.2 3 0.3 Find the mean of this probability distribution. Round your answer to one decimal place.
*April 18, 2016*

**science**

a certain mass of gas occupies 600 cm3 and exerted 1.325*10^5 Nm^-2 pressure. at what temperature would the volume of the gas be halved?
*April 18, 2016*

**Math**

How many hundred thousand in 1,000,000
*April 18, 2016*

**math**

what time is spent on art and math if math is 21% and art is 14%
*April 18, 2016*

**life orientation**

critically discuss 6 ways that the human rights violation influence individuals, groups and broders south african community
*April 18, 2016*

**English**

yes healers should be allowed at hospital coz sumtym ts mst be u happnd dat u dnt need to be injection. u need a traditional healer now u became perelasyde
*April 18, 2016*

**life orientation**

to maintain our website
*April 18, 2016*

**life orientation**

Define the 2 concept:fraud and corruption and give examples of each
*April 18, 2016*

**English**

why traditional African marriage is an advantage for the men only,not women?
*April 18, 2016*

**Life orientation**

Express your emotion on how bad fraud and corruption are and how they must be avoided.
*April 18, 2016*

**Math **

I've been really struggling with this question, could someone please walk me through it. x+y=0.4276 (so, y=0.4276-x) x/23.947+y/56.105=0.01034 Solve for x.
*April 18, 2016*

**life orientation**

Six ways that human rights violations influence individuals
*April 18, 2016*

**Math **

A bag contains 12 toffees. Kate eats 3 of them and josh eats 4 . What fraction of the toffees are left ?
*April 18, 2016*

**US history**

Thanx
*April 18, 2016*

**US history**

Which commercial mode of transportation was not included in the transportation revolution of the 19th century? A. Cars B. Trains C. Boats D. Planes is D correct?
*April 18, 2016*

**life orientation**

Risima
*April 18, 2016*

**life orientation**

critically discuss 6 ways that the human rights violation influence individual , groups and broders south african community
*April 18, 2016*

**life orientation**

critically discuss 6 ways that the human rights violation influence individual , groups and broders south african community
*April 18, 2016*

**English**

'on sale' means that the jeans are on discount, while 'for sale' means that you are selling jeans. 2. is possible. For 3, 'are' is omitted in this kind of usage, so 'Jeans for sale, 30% off today!' Forms of 'be' are often used in ...
*April 18, 2016*

**English**

11 is ungrammatical, by saying a person/object is worth something, we are putting a kind of value to that person/object. It is better to write 'he is worthy of praise' or 'he is worth praising' Same reasoning applies to 13, where 12 is a more suitable form
*April 18, 2016*

**math**

Use dT/dt = k(T-T0) Where T is the temperature of the turkey, T0 is the temperature of the surroundings and k is a constant. "Rate of change of temperature is proportional to difference between temperature of turkey and surroundings" -Separate and integrate -Use the ...
*April 18, 2016*

**chemistry**

commercially available concentrated hydrochloric acid is 37.0% w/w HCl. Its density is 1.18 g/mL. Using this information calculate (a) the molarity of concentrated HCl, and (b) the mass and volume (in mL) of solution containing 0.315 moles of HCl.
*April 18, 2016*

**Math/algebra**

Well to solve for x you have to make x the subject of the equation. To do that you have to bring all the terms with x to one side of the equation, and all the other constant terms to the other, then you can solve for x
*April 18, 2016*

**Chem**

HX <-> H+ + X- Concentration = mol/vol Since we only know mol and not concentration, we can just use mol since it is directly proportional to concentration HX H+ X- I 0.2 0 0 C -y +y +y E 0.2-y y y Since y is very small(weak acid) Equilibrium mol for HX is 0.2 Ionization...
*April 18, 2016*

**life orientation**

3 human rights violations
*April 18, 2016*

**Language**

Thank you !
*April 18, 2016*

**Language **

Can you please explain what a conjunction is?
*April 18, 2016*

**Calculus**

Sorry typo. It should be 1/2
*April 18, 2016*

**Chemistry**

@DrBob22 thank you for explaining. But how would you solve for x? (x/23.947)+(y/56.105)=0.01034 (X/23.947))=0.01034-(y/56.105)...
*April 17, 2016*

**Chemistry**

0.4276-g sample of a potassium hydroxide – lithium hydroxide mixture requires 31.20 mL of 0.3315 M HCl for its titration to the equivalence point. What is the mass percent lithium hydroxide in this mixture? 1.) 0.03120 L x 0.3315= 0.010343 moles HCl I'm not sure where...
*April 17, 2016*

**math**

It takes Bill 24 minutes to type and spell check 10 pages. Find how many pages he can type and spell check in 5.5 hours. Round to the nearest whole number if necessary. A. 55 pages B. 138 pages C. 792 pages D. 229 pages
*April 17, 2016*

**math**

A person rowed her boat upstream a distance of 45 mi and then rowed back to the starting point. The total time of the trip was 14 hours. If the rate of the current was 2 mph, find the average speed of the boat in still water.
*April 17, 2016*

**Bio**

In organisms that reproduce sexually, ________ are the sex cells that carry the genetic information from each parent. diploid gametes diploid morulas diploid zygotes haploid gametes diploid gametes
*April 17, 2016*

**Biology**

Ovulation occurs by a surge in the secretion of what hormone? estrogen hormone luteinizing hormone follicle stimulation hormone progesterone hormone Tricky.. I believe its estrogen
*April 17, 2016*

**jAPANESE**

It should be the third option ‚ðis used when you are carrying out an action on an object, in this case, giving the dog to your friend
*April 17, 2016*

**English**

The pilot decided to return the aircraft to the gate after the warning lights indicated trouble with the landing gear. Identify the set of domain specific words from this sentence.
*April 17, 2016*

**Math**

An actor invests some money at 6% and $35000 more than 4 times the amount at 11%. The total amount interest earned from the investment is $66350. how much did he invest at each amount?
*April 17, 2016*

**math**

A set of data items is normally distributed with a mean of 90 and a standard deviation of 12. Convert 78 to a z-score
*April 17, 2016*

**math**

A set of data items is normally distributed with a mean of 9090 and a standard deviation of 1212. Convert 7878 to a z-score
*April 17, 2016*

**Life orientation**

Describe the three human rights violation and two examples
*April 17, 2016*

**Life orentation**

the bill of rights i
*April 17, 2016*

**Math**

A box contained some red, blue, and green markers. For every 3 red markers, there were 2 blue markers. For every 3 blue markers, there were 7 green markers. A) Find the ratio of red markers to blue markers to green markers. B) When 7 markers were removed from the box, 1/4 of ...
*April 17, 2016*

**Life Orientation**

give information
*April 17, 2016*

**norland**

A vegetable pizza costs $8 and a chicken pizza costs $12. Find an inequality to determine the number of pizzas he can buy along with one vegetable pizza if he has $140 to spend.
*April 17, 2016*

**Life orientation**

people die withou gettin treated because there is lack of medical supply and doctors
*April 17, 2016*

**Chemistry **

Does either E1 and E2 involve a retention or inversion of stereochemistry? What happens to the stereochemistry in these reactions? I know stereospecificity is important for the reaction to occur, but I don't know what these means for the stereochemistry after the reaction ...
*April 17, 2016*

**Life orientation**

sixp ways that the human rights violations influences individuals
*April 17, 2016*

**Life orientation**

Describe the three human rights violations
*April 17, 2016*

**Hunger Games**

Which of the following was a more caring act, Katniss providing food for her family, volunteering as tribute, or helping Peeta?
*April 17, 2016*

**Calcus**

Find a value of k that gives f(x)=x²+kx+2 a local minimum value of 1. I do not not what to do.
*April 17, 2016*

**HUNGER GAMES**

Can you provide me with links to help me out with the hunger games, like how you gave the wikia??
*April 17, 2016*

**Hunger Games**

that was in Mocking Jay.
*April 17, 2016*

**Hunger Games**

what are some quotations that show when Katniss defied the capitol with the berries act?
*April 17, 2016*

**Literature**

Hunger Games:Which of the following was a more caring act, Katniss providing food for her family, volunteering as tribute, or helping out Peeta, when he was injured?ThankYou ! In my opinion,caring for peetas leg was pretty caring, when she couldve cared for herself, mkaing her...
*April 17, 2016*

**Literature**

so volunteering is braver you think?
*April 17, 2016*

**Literature**

Hunger Games:Which of the following was braver, Katniss volunteering as tribute, defying the Capitol, or hunting in the woods?Explain,Thanks! In my opinion, they are all brave acts, however, volunteering for certain death was definitely maybe the most brave, what do you think?
*April 17, 2016*

**LIFE ORIENTATION**

I need answers
*April 17, 2016*

**Physics**

7.8 ×10raise power 8
*April 17, 2016*

**English speech**

Why should traditional healers be allow to practice medicine at clinic
*April 17, 2016*

**stats**

Using the following data set a. Calculate the mean, mode, median, standard deviation, minimum, maximum and range. b. Draw the histogram of the data set. Use 100 as bin width.
*April 17, 2016*

**Maths**

Cub leader Akela purchases supplies for 15 cubs for a 12 day camping trip, with the understanding that each boy get equal shares of the supplies. At the last minute the boys are joined by 5 more cubs and there is no time to buy further supplies. If the original daily share for...
*April 17, 2016*

**life orientation**

Answer plz
*April 17, 2016*

**life orientation**

3 human rights violation or discrimination and explains
*April 17, 2016*

**life orientation**

Human rights violation and discrimination
*April 17, 2016*

**Language Arts(1 question plz help)**

oooooooh duh!!lol thx Ms.Sue!
*April 16, 2016*

**algebra**

Mr. Smith drove 90 miles one way to visit his brother. He averaged twice his original speed on the return trip than he did going to visit. If his total travel time was 3 hours, how fast was he going each way
*April 16, 2016*

**Math**

Susan Received a 60% on her final paper worth 25%. This was Susan's last assignment before final grades are handed out. If Susan had a 75% average prior to the paper, what will her mark be now after receiving the 60% on the paper?
*April 16, 2016*

**Math**

Susan received a 60% in her final paper worth 25%. This was Susan's last assignment before final grades are handed out. If Susan had a 75% average prior to the paper, what will her mark be now after receiving the 60% on the paper?
*April 16, 2016*

**English (Please help Ms. Sue)**

Thank you Ms. Sue!!!
*April 16, 2016*

**Math**

It's hard to answer without the table, but knowing the budget and the need for 38 tiles, the maximum price per tile Mr Jacobs can afford is: $1,200 / 38 = about $31.5789. So basically whichever tile has a price of $31 or less is the right one.
*April 16, 2016*

**Algebra**

11. What are the x-intercepts of the graph of the quadratic function f(x) = 5x2 + 4x – 1?
*April 16, 2016*

**Geography**

What ideas of the Von Thunen model does it relate to
*April 16, 2016*

**Math**

Xavier, Yessie, and Zorro each choose a different favorite positive fraction. Each fraction is in simplest form. Yessie's fraction is the reciprocal of Xavier's. Zorro multiplies his favorite fraction by Xavier's and finds a product of 12/35. Zorro then multiplies ...
*April 16, 2016*

**l.o**

what are the four factors that threaten or limit the core function of the media
*April 16, 2016*

**Chem**

increasing the temperature increasing the pressure increasing the amount of water All of these will increase both solubilities.
*April 16, 2016*

**Life erientation**

1.equality 2.citizenship and 3.right to life
*April 16, 2016*

**Life erientation**

Identify three human right violation or discrimination and explain in and introductoty paragraph
*April 16, 2016*

**Geography**

33:08 to to 34:14 they say stuff that can help me answer two questions An agricultural pilot flies about 8 8feet off thee ground at 150 miles per hour in order to apply ____ to the crops Chemicals? Even though the corn has been genetically modified to be resistant to the born ...
*April 16, 2016*

**Geography**

or do I put 600
*April 16, 2016*

**Geography**

The next question from the video says On average Americans eat _____ caloroies more each day than our ancestors did. Around 29:19 to 29:56 they talk about this. Would I put 2,000 calories?
*April 16, 2016*