Monday

May 2, 2016
Total # Posts: 233

**math**

calculate the volume of the solid when the composite of a cube of edge is 28cm and the square -based pyramid of it height is 16cm
*April 18, 2016*

**math**

p=5x3^n can you answer this
*April 13, 2016*

**math**

but i don't know how
*April 11, 2016*

**math**

make a table and graph each quadratic function. use integers from -3 to 3 inputs 1. y=-x^2 2. y=2x^2 3. y=-8x^2 4. x^2 + 2
*April 11, 2016*

**Probability**

The letters in the word MATHEMATICS are arranged randomly. What is the probability that the first letter is E? Preview What is the probability that the first letter is M?
*March 25, 2016*

**Probability**

26*25*10*9*8*7*6*5*4= 393120000
*March 25, 2016*

**Probability**

A computer password is required to be 9 characters long. How many passwords are possible if the password requires 2 letter(s) followed by 7 digits (numbers 0-9), where no repetition of any letter or digit is allowed?
*March 25, 2016*

**english,maths,chem,phy,bio,agric,civic,etc**

What are the equations of motion.
*March 13, 2016*

**life orientation**

indetify three courses are interested after grade 12
*March 13, 2016*

**Math**

How do i solve for b. 5=2pi/b
*March 4, 2016*

**Math**

A sin B (x +- C) d How do i find each letter?
*March 2, 2016*

**Math**

How do i find out the sin and cos equation of a sinusoidal graph?
*March 2, 2016*

**Math**

How do i find "d" and "c" values in y=cos(x+(pi/2)) Base equation is y= A cos B (x +- C) +- D
*March 2, 2016*

**Math**

Yes unclear
*February 29, 2016*

**Math**

How do i find the asymptotes of: y=(1/x-4)+3
*February 29, 2016*

**chemistry**

Mass=moles/atomic mass of fe2o3
*February 26, 2016*

**Math**

How do i find asymptotes without graphing?
*February 26, 2016*

**Physics**

How much heat is absorved when a temparature of a piece of iron of mass 0.1kg and specific heat capacity 2*10 rest to power of 2 J/kg/k is rise from 25degree celcius to 75degree celcius
*February 20, 2016*

**physics**

A stone of mass 0.7kg is projected vertically upward with a speed of 5m/s.calculate the maximum height reached. [Take g=10m/s^2 and neglect air resistance]. "
*February 13, 2016*

**Science**

these are correct
*February 1, 2016*

**COMPUTERS**

CALCULATE THE AREA OF CIRCLE OF RADIUS 2CM USING FORTRAN PROGRAMMING LANGUAGE
*January 30, 2016*

**Science**

A compound on analysis as 87:8% c,12:2%h determine its empirical formular&molecular formular given mass=56gmol
*January 25, 2016*

**Chemistry**

A compound on analysis as 87:8% c,12:2%h determine its empirical formular&molecular formular given mass=56gmol
*January 25, 2016*

**calculus**

Find the minimum distance between the curves y=e^x and y=lnx. Hint: Use the fact that e^x and lnx are inverse relationships. I have no idea where to start. Thanks!
*January 18, 2016*

**math**

The perimeter of a rectangular concrete patio is 38 meters. The area is 90 square meters. What are the dimensions of the patio?
*January 14, 2016*

**math**

the horizontal,vertical and diagonal columns and rows of a magic square all add to the same sum.use the digits 1-16 one time each to make a magic square
*January 14, 2016*

**physics**

a car which weight is 1000N is travelling at 90kmn/hr and come to rest in a distance of 50m after applying the brakes. assume uniform acceleration, calculate how large its stopping force was exerted by the friction between the wheel and the road.
*December 16, 2015*

**Math**

a 6.5 ounce can of tuna for $1.39 or a 3 ounce can of tuna for $0.65. the 6.5 ounce can of tuna costs ________ the 3 ounce can of tuna costs __________ the ______ ounce can of tuna is the better buy
*December 9, 2015*

**Science**

10 b
*December 9, 2015*

**logics in programming**

for A=1 to 30
*December 9, 2015*

**Elective maths**

A particle P of mass 7kg is suspended by two inextensible strings AP,BP of lengths 40cm and 75cm respectively. The ends, AP of the strings are attached to two point at the same level, whose distance apart is 85cm. Find angle APB and the magnitude of the tensions in the strings...
*October 6, 2015*

**math**

Idk
*October 6, 2015*

**physics sl**

A dead dog of mass 2.2 kg and an initial speed of 5.5 m.s-1 slides along a rough horizontal surface and stops after travelling 4.2 m. calculate the frictional force between the dog and the surface (Think of the work the friction has to do to stop the dog – the Ek of the ...
*October 4, 2015*

**math **

What are the steps to show the quotient in simplest form? 0.000027/0.000009
*September 30, 2015*

**math**

A certain computer can perform 10^5 calculations per second. how many calculations can it perform in 10 seconds
*September 30, 2015*

**Chemistry**

I cant for the life of me figure out how to complete this question as our teacher hasn't properly gone over this section.
*September 11, 2015*

**Chemistry**

If an aquarium tank holds 100 litres of water, calculate how much heat energy would be required to heat the tank from 18.2 Degrees(C) to 32 Degrees(C)
*September 11, 2015*

**Chemistry**

The solubility of potassium nitrate at 20¡ãC is 340g/litre. How many grams of KNO3 can dissolve in 185ml of water?
*September 7, 2015*

**mathematics**

A man takes a 500km trip in his car, He rotates his tyres (four on the car and one spare) so that in the end of the trip each tyre has been used for the same number of kilometres. How many kilometres did each tyre cover?
*August 28, 2015*

**Maths**

141,386
*August 24, 2015*

**English**

In Fahrenheit 451, what pages are these words found on? I really need help just with this. It would be nice to help me out. Here are the words. Part 1: Abruptly, intact Part 2: certitude, darkling, dispersing, linguists, moor, televisors Part 3: scuttling
*July 12, 2015*

**Science**

4g of an organic compound gave 2.34g of carbon 0.16g of hydrogen 0.46g of nitrogen 1.04g of oxygen.what is the empirical formula
*June 22, 2015*

**PHYSICS**

gn elastic cord can be stretched to its elastic limit by a load of 2N. if a 35cm length of the cord is extended 0.6cm by a force of 0.5N, what will be the length of the cord whem the stretching force is 2.5N
*May 28, 2015*

**Life oriantetion**

For 5 interview questions
*May 11, 2015*

**physics**

force=m*a 4000-300=3m/s2*m m=1233.33kg
*April 8, 2015*

**math**

During the summer holidays,your brother earns extra money mowing lawns.He mows 6 lawns an hour and has 21 lawns to mow.How long will it take him?
*April 7, 2015*

**math**

A diver on a platform 40 feet in height jumps upward with an initial velocity of 5ft/s. His height in h feet after t seconds is given by the function h=-16t^2+5t+50. a. What is his maximum height? I got 50.39 b. How long will it take him to reach the surface of the water? h=-...
*March 25, 2015*

**Math**

I have the same problem as Marita. Can someone tell us what equation to use. Horizon has a cell phone plan for $28.00 per month plus $.30 per minute with unlimited anytime network minutes and a free flip phone for new customers. How do I put this in an equation. Sprint has a ...
*March 8, 2015*

**physics**

isolate for f 1/di = 1/f - 1/do show all the steps pls
*February 8, 2015*

**physics**

isolate for t s = ut + 1/2at^2 please show all ur steps
*February 8, 2015*

**physicss**

state the precision of the measured quantities 1. 0.07 m 2. 908 s 3. 7.60 L 4. 0.005 0 mm answers: 1. 0.01 m 2. 1 s 3. 0.01 L 4. 0.0001 mm i do not understand this , please explain it to me
*February 4, 2015*

**physics**

noo the answer is 1g and 0.01cm
*February 4, 2015*

**physics**

state the precision of the measured quantities 1. 353g 2. 6.00cm please explain
*February 4, 2015*

**algebra 1**

a heavy freight train made a trip of 360 miles, running part of the distance at 54 miles an hour and the rest at 48 miles an hour. if the entire trip took 7 hours, find the distance traveled at each rate
*February 2, 2015*

**physics**

a force of 1600N is used to push a crate of brick at a rate of 40m/s squard. If the crate weights 150kg, how much do the bricks weight?
*January 22, 2015*

**math**

i got it its 11
*January 21, 2015*

**math**

WHAT????????????????
*January 21, 2015*

**math**

Camp Oaks gets 32 boxes of orange juice and 56 boxes o apple juice.Each shelf in the cupboard can hold 8 boxes of juice. What is the least number o shelves needed for all the juice boxes?
*January 21, 2015*

**math**

c is my best answer.
*January 21, 2015*

**math**

C??????????????????????????????????
*January 21, 2015*

**math**

FORGET ABOUT A, NOW I THINK IT IS B
*January 21, 2015*

**math**

There are 6 muffins in a package.How many packages will be needed to feed 48 people if each person has 2 muffins? A.4 B.8 C.16 D.24
*January 21, 2015*

**math**

If the wheel of a bicycle has a diameter of 60cm, calculate how far a cyclist will have travelled after the wheel has rotated 100 times.
*January 15, 2015*

**Algebra**

A. "Solve for w: (6w+1)/5≠2. Describe the solution in set notation." First I must find what number to substitute for "w" that WILL equal 2, correct? Then, determine the numbers that won't (I assume there will be far more of these)? What would be ...
*January 14, 2015*

**Economics**

Can someone help me with #1 - a,b,c it is on economics20145.weebly
*December 11, 2014*

**English**

''Nor was' is not necessary.
*November 24, 2014*

**English**

Yes, nor is a transition word.
*November 24, 2014*

**English**

Last Monday, Patrick Maloney was killed, but there were no suspects nor a murder weapon found.
*November 24, 2014*

**int.science**

True
*November 24, 2014*

**science**

'Imagine there is a tank of unknown gas that contains 53.31% carbon, 11.18% hydrogen, and 35.51% oxygen by mass. At 35.0 °C and 0.455 bar, 2.00 L of the gas has a mass of 3.20 g. Using this information, answer the following questions. a.) What is the empirical formula ...
*October 27, 2014*

**math**

The machining center at a production facility has three lathes of differing ages and thus precision. The oldest, machine A, produces finished units of product of which 88% are good, 8% are blemished, and 4% unusable. Machine B produces 92% good, 6% blemished, and 2% unusable. ...
*September 12, 2014*

**Physics**

A wind is blowing with a speed of 50 mph is a direction 40 degrees west of north. What is the westerly component of the wind's velocity? What is the northerly component of this velocity?
*September 8, 2014*

**BIOLOGY**

A reference calls for the use of "one litre of 0.1 molar acetate buffer pH 5.2” Calculate the amounts of sodium acetate and acetic acid required to make up this buffer, given that for acetic acid Ka = 1.8 x 10-5
*August 16, 2014*

**L.o**

List four factor that could threaten or limit core functions of the media
*May 26, 2014*

**English III (11th grade)**

Thank you!
*May 12, 2014*

**English III (11th grade)**

Never mind, I've figured it out. Thank you for looking over this question though.
*May 12, 2014*

**English III (11th grade) **

Lana woke up, curled in a corner of the seat at the back of the train. She lifted the shade to see that the sun had hidden itself in a bank of clouds fluffy as the eiderdown her mother had wrapped her in as a child. Her darling Ted, a military man with a distinguished career, ...
*May 12, 2014*

**Math**

2 vertices of a triangle are 1,-4 and 6,-4. List 2 possible coordinates of the third vertex so that the triangle has an area of 20 units.
*April 24, 2014*

**English**

Why traditional african marriage is an advantage for men only not, women
*April 21, 2014*

**College Physics**

The point charges in Figure 17.41 are located at the corners of an equilateral triangle 25.0 cm on a side, where qb = +12.0 µC and qc = -4.50 µC. (Assume that the +x-axis is directed to the right.) (a) Find the electric field at the location of qa. Magnitude ? N/C ...
*March 24, 2014*

**finite math**

The Megabuck Hospital Corp. is to build a state-subsidized nursing home catering to homeless patients as well as high-income patients. State regulations require that every subsidized nursing home must house a minimum of 760 homeless patients and no more than 1100 high-income ...
*March 8, 2014*

**Physics**

VERY URGENT- A kicked ball takes off at 25m/s at an angle with the ground. If the goal is 50m away and the horizontal bar is 3.44m above the ground, what must be the elevation angle for the kicker to score a goal?
*February 26, 2014*

**math**

From a survey of 100 college students, a marketing research company found that 65 students owned iPods, 35 owned cars, and 25 owned both cars and iPods. (a) How many students owned either a car or an iPod (but not both)?
*January 14, 2014*

**chemistry**

will iron rust if it is placed in a test tube of ethanol acid with no water inside. Explain
*December 12, 2013*

**physics**

I am having a bit of trouble with this one. A safety harness is connected to a cable with a report breaking stress of 800MNm-2. What mass could be hung from a harness if the diameter of the cable was 6mm?
*October 19, 2013*

**math**

In the figure, p || q and r is the transversal. If OA and OB are bisectors of the interior angles, which of these describes angle AOB?
*October 16, 2013*

**ece**

its b cuz of course you cant read unless you know how to sound out words
*October 14, 2013*

**physics**

dont get it
*October 14, 2013*

**physics**

A cube of balsa wood (side length = 0.25 m) is tied with a string to the bottom of a waterfilled container. The wood is completely immersed. What is the tension in the string?
*July 29, 2013*

**chemistry**

the molarity of 2% by weight of aqueous solution of H2S4(molecular weight = 98)
*July 5, 2013*

**science**

5.0g of magnesium metal reacted with 1000cm3 of 4.5M HCl solution to produce hydrogen gas. Calculate the amount of HCl left after the reaction
*June 29, 2013*

**Chemistry**

Wha volum of steam is produced when log of propyrie is burnt in excess oxygen at s.t.p?
*June 21, 2013*

**physics**

2 balls of clay , the first of mass 0.5kg,the other of mass 0.75kg approach each other ,each travels with a velocity of 0.5m\s,after the collision they stick together,what is the total energy after collision .Obtain the coefficient of restitution.
*June 3, 2013*

**math**

the bearing of Y from X is 160¤ and the bearing of Z from Y is 060¤. find the bearing of X from Z.
*May 11, 2013*

**math/physics**

Estimate the percentage savings in the fuel bill if the thermostat is set back from 68 degrees F to 50 degrees F for 12 hours of the day, and left at 68 degrees F for the other 12 hours, assuming an outside temperature of 15 degrees F all day.
*April 26, 2013*

**L.O**

5 ways in which the human or environmental problem impacts on the community.
*April 20, 2013*

**Math**

A track of mass 1000 kg travelling on a straight level road accelerates from a speed of 10 m/s to a speed of 30 m/s in 12 seconds. Given that the engine of the track exerts a constant pull of magnitude P N and that there is a constant resistance to motion of 200 N, find the ...
*April 17, 2013*

**Science**

abiotic
*April 2, 2013*

**Maths**

The solution is about the number of divisors of each number from 1 to 99 and we will exclude 100 as he said they should be positive integers. so we will add them to get 473. A quick formula to calculate the number of divisors is for example 18=2^1 * 3^2 then no.of divisors ...
*April 2, 2013*

**math 6 grade**

If the base is 12cm and a height of 15cm then the area is?
*April 1, 2013*