Sunday

October 23, 2016
Total # Posts: 41

**algebra**

Find the equation of a line that is parallel to the line y = −3x and contains the points (9,−4). Nicola

*February 5, 2016*

**Math help asap**

E^x/2.9099=ln 7.8x10^10

*April 14, 2014*

**math**

After a half hour a third will go.. 216x1/3=72 (go) 216-72=144 remaining after half hour From the remaining 144, another third will go 144x1/3=48 (go in the second half hour=after an hour) 144-48=96 (left after an hour) Therefore answer is d -96

*April 13, 2014*

**math**

For one washer you must include the waste and the width so.. (3/32)+(1/16)=5/32 or 0.15625 You have 25.5 inches of pipe so how many washers can be taken from it.. 25.5/0.15625=163.2 Rounding to the lower number as it will only make .2 of the 164th washer means b is the answer

*April 13, 2014*

**Physics**

A ball is fired from the ground with an initial speed of 1.36 103 m/s (approximately four times the speed of sound) at an initial angle of 49.0° to the horizontal. Neglect air resistance.

*March 22, 2013*

**Physics**

A ship maneuvers to within 2500 m of an island's 1800 m high mountain peak and fires a projectile at an enemy ship 610 m on the other side of the peak, as illustrated in Figure 3-29. If the ship shoots the projectile with an initial velocity of v = 248 m/s at an angle of...

*March 22, 2013*

**Physics**

A ship maneuvers to within 2500 m of an island's 1800 m high mountain peak and fires a projectile at an enemy ship 610 m on the other side of the peak, as illustrated in Figure 3-29. If the ship shoots the projectile with an initial velocity of v = 248 m/s at an angle of...

*March 22, 2013*

**Physics**

A car traveling at 5.0 m/s accelerates at the rate of 0.8 m/s2 for an interval of 3.0 s. Find vf.

*February 7, 2013*

**Physics**

A tortoise can run with a speed of 14.0 cm/s, and a hare can run exactly 15 times as fast. In a race, they both start at the same time, but the hare stops to rest for 2.00 min. The tortoise wins by 20.0 cm. (a) How long does the race take? s (b) What is the length of the race?

*February 7, 2013*

**Physics**

A 20.0 g toy car moving to the right at 21.0 cm/s has a head-on collision with a 34.0 g toy car moving in the opposite direction at 47.0 cm/s. If they begin 396.0 cm apart, how long does it take the cars to collide?

*February 4, 2013*

**Stoichometry**

Solutions of sodium carbonate and silver nitrate react to form solid silver carbonate and a solution of sodium nitrate. A solution containing 0.55 mole of sodium carbonate is mixed with one containing 0.55 mole of silver nitrate. After the reaction is complete, the solutions ...

*December 19, 2012*

**Life Orientation**

Write a conclusion in which you explain in one paragraph what you have learn in doing this assignment on cancer and how it has changed the way in which you will view lifestyle diseases in future

*April 29, 2012*

**Life Orientation**

Write a paragraph of approximately 100 - 150 words in which you make 5 recommendations on how to overcome the style/cancer disease behavior.

*April 29, 2012*

**Life Orientation**

Provide 5 ways in which you critically discuss how cancer impacts on a teenager

*April 29, 2012*

**Life Orientation**

Explain 5 factors that can contribute to cancer

*April 29, 2012*

**Life Orientation**

Describe the lifestyle disease cancer

*April 29, 2012*

**Life Orientation**

Suggest 5 recommendations on how to address the environmental problems that you have identified in the previous question

*April 29, 2012*

**Life Orientation**

Critically discuss 8 ways in which the environmental problem impact on the community or any other community in South Africa.

*April 29, 2012*

**Life Orientation**

Identify and describe one environmental problem that causes ill health, accidents, crises and disasters within our community or any other community in South Africa

*April 29, 2012*

**Math(urgent!!)please!**

3/4(2x-1)-5 is equal or greater than 5/4(x-3)

*January 2, 2012*

**Math**

800cm3 of water is poured into an inverted right conical vessel and the water level is 6cm. How much more water has to be added to the vessel such that the water level becomes 9cm?

*December 30, 2011*

**Calculus **

Consider the function f(x)=xlnx. For the following questions, write inf for ∞, -inf for −∞, and None if no such answer exists. a.) The domain of this function is . b.) The x-intercept is . c.) f′(x) = . d.) f(x) is increasing on the interval and ...

*November 27, 2011*

**Calculus **

Consider the function f(x)=3cosx−cos^(3)x for 0<x<2π. For the following questions, write inf for ∞, -inf for −∞, U for the union symbol, None if no answer exists, and separate by a comma if more than one answer exist. a.) The x-intercepts are...

*November 27, 2011*

**Calculus **

Consider the function f(x)=x−15x^1/3. For the following questions, write inf for ∞, -inf for −∞, U for the union symbol, None if no answer exists, and separate by a comma if more than one answer exist. a.) The domain of this function: (-inf,inf) . b.) ...

*November 27, 2011*

**Calculus **

Can someone help me finish this question... I got most of the answers but need help. Suppose that f(x)=3x−6x+5. (A) Use interval notation to indicate where f(x) is defined. If it is defined on more than one interval, enter the union of all intervals where f(x) is defined...

*November 27, 2011*

**Calculus **

A piece of wire 12 m long is cut into two pieces. One piece is bent into the shape of a circle of radius r and the other is bent into a square of side s. How should the wire be cut so that the total area enclosed is: a) a maximum? r= and s=. b) a minimum? r= and s=

*November 27, 2011*

**Calculus **

A Norman window has the shape of a semicircle atop a rectangle so that the diameter of the semicircle is equal to the width of the rectangle. What is the area of the largest possible Norman window with a perimeter of 30 feet?

*November 27, 2011*

**Calculus **

Find the dimensions of the rectangle of largest area that has its base on the x-axis and its other two vertices above the x-axis and lying on the parabola y=4−x^2. Width = Height =

*November 27, 2011*

**Physics**

8. A 0.5-kg ball has been thrown vertically upward. If we ignore the air resistance, what are the direction and size of each force acting on the ball while it is traveling upward?

*March 7, 2011*

**Physics**

8. A 0.5-kg ball has been thrown vertically upward. If we ignore the air resistance, what are the direction and size of each force acting on the ball while it is traveling upward?

*March 7, 2011*

**Chemistry**

TANK U BATMAN

*January 27, 2011*

**algebra**

The sides of a square sheet of metal are of length 30 cm. A quadrant radius 15 cm is cut from each of the four corners. What is the perimeter of the shape which is left?

*December 8, 2010*

**chemistry pap**

How many atoms of lead (Pb) are present in 0.75 moles?

*December 7, 2010*

**college english 2**

can you please do a commentary on this article. the title is whose class are you in.

*November 19, 2010*

**principle of marketing**

Since economy boom is an external factor how does it affect a company pricing decision?

*March 22, 2010*

**science-CHEM**

Thanks a lot!!! I think I got it!!!

*November 21, 2008*

**science-CHEM**

Fe+3 + SCN- ==Fe(SCN)+2 if adding NaOH will form precipitates, but what is the precipitates' formula? And after this reaction, if we add HCl to the reaction, will the precipitates dessolve? What does the HCl affect the reaction? THX

*November 21, 2008*

**Science**

what are the names off acids and alkalines....

*August 28, 2008*

**physics- drbob can u plz help me???**

VERY IMPORTANT FOR AN ESSAY ASSIGNMENT. PLEASE HELP ASAP! THANK U VERYYYYY MUCH! 1. What force is needed to give a mass of 25 kg an acceleration of 20m/s squared? 2. A force of 6N acts upon a 2-kg mass. What is the acceleration of the masS? 3. It takes a force of 50N to give a...

*December 13, 2006*

**Physics, 4 short questions**

VERY IMPORTANT FOR AN ESSAY ASSIGNMENT. PLEASE HELP ASAP! THANK U VERYYYYY MUCH! 1. What force is needed to give a mass of 25 kg an acceleration of 20m/s squared? 2. A force of 6N acts upon a 2-kg mass. What is the acceleration of the masS? 3. It takes a force of 50N to give a...

*December 13, 2006*

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