Saturday

August 1, 2015

August 1, 2015

Total # Posts: 245

**locus**

if a moving point p is always equidistant from the point A(2,4) and the line y=-4, find the equation of the locus of p
*July 18, 2015*

**math-percentage**

thanks so much:) i think i found the answer: let the number of male and female workers be m and f respectively. m+f=762 (1) m=f(1-20%) (2) m=352,f=440
*July 10, 2015*

**math-percentage**

it is a mc question : A.352 B.360 C.432 D.440 the solution book shows that the answer is A
*July 10, 2015*

**math-percentage**

there are 792 workers in a factory. if the number of male workers is 20%less than that of female workers, then the number of male workers is? answer:352 i always get confused with the equation of this type of quesion. Thanks:)
*July 10, 2015*

**math**

there are 15 students including john and mary, in the art club of a school a committee of 3 men consists of chairman secretary and treasurer is selected from the club. if john and mary cannot be both selected how many different committees can be formed ? thank you:)
*July 9, 2015*

**Math**

it, i mean.
*June 4, 2015*

**Math**

i has been a full day now and no response
*June 4, 2015*

**Math**

hello?
*June 4, 2015*

**Math**

How do you do this?: Which ordered pair is on the graph of y= x+ +11
*June 4, 2015*

**Math**

Thank you!
*June 4, 2015*

**Math**

How do you subtract a negative number from a positive number?
*June 4, 2015*

**Math**

hello?
*April 2, 2015*

**Math**

How about how much she saved?
*April 2, 2015*

**Math**

Thank you!! :D
*April 2, 2015*

**Math**

Sorry, i mean too, not two. caught that grammar mistake that time!
*April 2, 2015*

**Math**

Sally had ten $10 bills. She saved 3/5 and spent 2/5. how much did she save?__ How much did she spend?__ I'm very confused on this one two.
*April 2, 2015*

**Math**

Thank you sooooooooooooooooooooooooooooooooooooo much Mrs.Sue!!!!!! x) :D x) :D :D
*April 2, 2015*

**Math**

The price of a movie ticket is half the normal price on Tuesday. If the normal price is $8.50, how much would 4 tickets cost on Tuesday? We have to make it so you're multiplying fractions, not some other way. I really don't get it.!
*April 2, 2015*

**Math**

5/6 + 1/12 I want to make sure that i'm doing it correct.
*March 30, 2015*

**Math**

I need to solve it, but all I need to personally need to know is if you add or subtract. If you tell me to example add, that won't be giving me the answer.
*March 26, 2015*

**Math**

From the total of what, Steve? Do you mean to add first and then subtract?
*March 26, 2015*

**Math**

Ricky needs 3 1/4 cups of sugar to make candy. He already has 2 1/2 cups. How many more cups of sugar does he need? Do you add for this question or subtract? That's all that I need to know.
*March 26, 2015*

**Social Studies**

put this in other words: “I know not what others may choose but, as for me, give me liberty or give me death!”
*March 25, 2015*

**Math-I don't quite get it.**

hello?
*March 24, 2015*

**Math-I don't quite get it.**

Rodney has a board that is 5/6 yard long. He uses 1/5 of the board to make a frame. How long is the board used to make the frame?
*March 24, 2015*

**Math**

OH!!! NEVER MIND!!!!!! I GOT IT!!!!!!
*March 23, 2015*

**Math**

hello??
*March 23, 2015*

**Math**

hello? D:
*March 23, 2015*

**Math**

how do you get those answers?
*March 23, 2015*

**Math**

oh, thank you Chloe!
*March 23, 2015*

**Math**

look for a pattern. write the missing numbers. 3/4, 6/4, 12/4, blank, blank, blank, blank, 384/4, 768/4.
*March 23, 2015*

**English**

yes it does sound smooth
*March 22, 2015*

**Writing**

ok! I was wondering if that was what it was!
*March 22, 2015*

**Writing**

hello? D:
*March 22, 2015*

**Writing**

it is only 7:30. not 10:28.
*March 22, 2015*

**Writing**

just to say, the time that these were posted is incorrect.
*March 22, 2015*

**Writing**

could they be 2?
*March 22, 2015*

**Writing**

or a conclusion
*March 22, 2015*

**Writing**

can an intro in a essay be less than 5 sentences long?
*March 22, 2015*

**Math**

I meant what I said the first time.
*March 18, 2015*

**Math**

NO thats not what I wanted to say eiher sorry!
*March 18, 2015*

**Math**

OH NO! I meant to say is it D?
*March 18, 2015*

**Math**

is it B?
*March 18, 2015*

**Math**

A. Estimated < Actual B. Actual > Estimated C. Actual = estimated D. Estimated > Actual
*March 18, 2015*

**Math**

sorry wrong question!the question was which is a good comparison of the sum and the estimated sum of 7 7/8 + 2 11/12?
*March 18, 2015*

**Math**

7 7/8 + 2 11/12
*March 18, 2015*

**Math**

oh.ok thank you. :(
*March 18, 2015*

**Math**

Thank you! Oh! and, it said when i got my membership (for Jiska) that i could change the color of my username to stand out. How do I do that?
*March 18, 2015*

**Math**

Write two mixed numbers with a sum of 3.
*March 18, 2015*

**4th grade math**

you mean 360 not 36o
*March 18, 2015*

**biology**

if a fruit fly has 28.8% Adenine, approximately how much guanine will it have? can someone explain this
*March 12, 2015*

**math homework**

Thank you though. Bye!
*March 12, 2015*

**math homework**

It made no sense at ALL to me.
*March 12, 2015*

**math homework**

O.K ya, that's what I thought.
*March 12, 2015*

**math homework**

A proper fraction
*March 12, 2015*

**math homework**

That's why I'm confused.
*March 12, 2015*

**math homework**

No like 4/6
*March 12, 2015*

**math homework**

Um...
*March 12, 2015*

**math homework**

Hello?
*March 12, 2015*

**math homework**

Is anyone there? :(
*March 12, 2015*

**math homework**

how do you convert a REGULAR fraction into a mixed number.
*March 12, 2015*

**Elemements of Math**

Little Caesar's Pizza had a commercial on television that claimed you could buy one pizza and get another one free, with up to 5 toppings per pizza (do not count the pizza sauce or the cheese as a topping). The dialogue on the commercial went something like this. The tall ...
*March 7, 2015*

**12 Math**

f(x)=2x^4+5x^3-x^2-3x+1 a)Determine the average slope between the points where x=1 and x=3. b)Determine the instantaneous slope at each of these points.
*January 21, 2015*

**Math**

Equation: t=5(logP/log0.5) P is the percentage of caffiene in the bloodstream related to t, time elapsed in hours Suppose you drink a cup of coffee at 9:00 a.m. What percentage of the caffiene will remain in your body at noon?
*January 12, 2015*

**12 Math**

Solve exactly. a)3^x-2=5^x b)2^k-2=3^k+1
*January 11, 2015*

**12 Math**

Evaluate each logarithm. log^2(subscript)36^3
*December 8, 2014*

**Trig**

Determine exact solution. x E (0, 2pi) 2csc^2x-8=0
*November 25, 2014*

**Filipino**

pangatnig na pansubordinasyon
*November 25, 2014*

**Math**

Sarah is 3 years older than 1/3 Darcy's age. Translate this phase to an algebraic expression.
*October 28, 2014*

**Calculus**

A 12-ft ladder is leaning against a vertical wall when Jack begins pulling the foot of the ladder away from the wall at the rate of 0.5ft/s. What is the configuration of the ladder at the instant that the vertical speed of the top of the ladder equals the horizontal speed of ...
*October 26, 2014*

**Math**

Find the roots by factoring. 25x squared - 30x= -9
*June 19, 2014*

**Mathamatics**

Solve the following trigonometry identities. a) 1-cos2(theta) = sin(theta)cos(theta)/cot(theta) b) (1-cos2(theta))(1-tan2(theta))=sin2(theta)-2sin4(theta)/1-sin2(theta) *its supposed to be cos to the power of two, sin to the power of four, etc. There is also supposed to be a ...
*May 28, 2014*

**Science**

You all could be nice, and if you have nothing nice to say, shove it up your ass because it needs it!
*January 19, 2014*

**Chemistry **

Could you please explain how electronegativity works and how you find the total electronegativity value of PO3 K2O H2S GIVEN: P- 2.1, O-3.5, K- 0.8, H- 2.1, and S- 2.5 Also how to you tell if the compound is ionic, polar covalent, or non polar covalent? Thank you!!!
*October 30, 2013*

**Chemistry **

How can you tell that CO2 has a dipole moment while O2, N2, and HCL does not?
*October 30, 2013*

**Chemistry**

Could you please explain how electronegativity works and how you find the total electronegativity value of PO3 K2O H2S GIVEN: P- 2.1, O-3.5, K- 0.8, H- 2.1, and S- 2.5 Also how to you tell if the compound is ionic, polar covalent, or non polar covalent? Thank you!!!
*October 30, 2013*

**english**

The Cold Equations is a story that talks about a young adult, Marilyn. Who sneaks onto a space ship heading to an area where her brother is at. Even though she knows that being a stowaway is illegal, she thinks she will just have to pay a fine. But when the pilot finds Marilyn...
*September 19, 2013*

**math**

96 diveded by 3
*September 8, 2013*

**math trig**

If a ferris wheel with a 20.5 meter radius, how high would one car be from the loding dock at these given angles trveled by the rider?: 90 135 180 225 270 315 405 450 495 and 540?
*May 9, 2013*

**math trig**

If a ferris wheel has a radius of 20.5meters, how tall would a 45 degree angle be?
*May 9, 2013*

**Math-Calculus**

Consider two ships which are joined by a cable attached to each ship at the water line. Suppose the two ships are 200 metres apart, with the cable stretched tight and attached to a pulley which is anchored halfway between the ships at a depth of 45 metres. If one ship moves ...
*April 3, 2013*

**Physics**

A 4.10 m long, 590 kg steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction. A 66.0 kg construction worker stands at the far end of the beam. What is the magnitude of the torque about the point where the ...
*March 21, 2013*

**math**

The perimeter of a rectangular playground is 40 yards. It is 1.5 yards longer that it is wide. What is area of playground?
*February 11, 2013*

**math**

The perimeter of a rectangular playground is 40 yards. It is 1.5 yards longer that it is wide. What is area of playground?
*February 11, 2013*

**Geography **

The G8 countries are responsible for 62% of the carbon dioxide emission into the earths atmosphere. Should I classify this as worrying or human changes
*February 5, 2013*

**Algebra**

I just guessed and checked for this one, but the answer is Karen will be 18, and Susan will be 27.
*January 28, 2013*

**science (revision)**

I have a test on electricity on Friday and I wandering if I could get a basic summary of what I should know. I'm British so I don know what grade I am but I'm 11 so aound that sort of basic level please!!! Thanks.
*January 9, 2013*

**Math**

A cup of coffee costs 80c less than a burger.Together they cost 220c. Use this information to form an equation and solve it. This question I can't get my head around. It's due in 2 days but I would like to get it done sooner. Thanks.
*January 9, 2013*

**physics**

A large water tank is 18m above the ground. Suppose a pipe with a diameter of 8cm is connected to the tank and leads down to the ground. How fast does the water rush of the piper at ground level? Assume that the tank is open to the atmosphere.
*December 11, 2012*

**Math**

Jen and Heather went to lunch. When the bill came, Jen discovered that she only had $8. Luckily, Heather had enough money to pay the other part, 3/5 of the bill. How much did Heather pay? How much was the total bill? I'm having a hard time understanding the steps in ...
*December 10, 2012*

**physics**

wave speed: the violin is a four stringed instrument tuned so that the ratio of the frequencies of adjacent strings is 3:2. (This is the ratio when taken as high frequency to lower frequency.) If the diameter of E string (the highest frequency) on a violin is 0.25 mm, find the...
*December 3, 2012*

**physics (SOS!)**

a cylinder that is 20 cm tall is filled with water. If a hole is made in the side of the cylinder, 5cm below the top level, how far from the base of the cylinder will the stream land? Assume that the cylinder is large enough so that the level of the water in the cylinder does ...
*December 2, 2012*

**physics**

A block of wood will sink 10 cm in freshwater. How far will it sink in seawater. The specific gravity of seawater is 1.025. I'm confused as to how to approach to problem
*December 2, 2012*

**physics**

why is work done during the rise= mgh directly?
*December 1, 2012*

**physics**

(a) a spherically shaped buoy is made from wood, which has a specific gravity of 0.6. find the acceleration of the buoy when released from rest at the bottom of a freshwater lake. (b) if the buoy starts out 10 m below the surface of the water, determine the height above the ...
*December 1, 2012*

**chemistry**

If 4.83 mL of an unknown gas effuses through a hole in a plate in the same time it takes 9.23 mL of argon, Ar, to effuse through the same hole under the same conditions, what is the molecular weight of the unknown gas?
*October 31, 2012*

**chemistry**

A sample of natural gas is 85.2% methane, CH4, and 14.8% ethane, C2H6, by mass. What is the density of this gas mixture at 18.0°C and 771 mmHg? Assume ideal gas behavior.
*October 31, 2012*

**math**

E4EW45WE45W4
*October 15, 2012*

**mathematics of finance**

solve; FV=7,000;i=0.03;PMT=$400;n=?
*September 24, 2012*