Friday

April 18, 2014

April 18, 2014

Number of results: 4,207

**mathematics - sinusoidal curves**

Owen is jumping on a trampoline. When his feet hit the deck of the trampoline, the material depresses to a minimum height of 2cm. On average, Owen is reaching a maximum height of 200cm every 10 seconds. Determine the equation of a sinusoidal function that would model this ...
*Saturday, May 5, 2012 at 5:40pm by arnab*

**mathematics - sinusoidal curves**

The propeller of a boat at dock in the ocean will rise and fall with the waves. On a particularly wavy night, the propeller leaves its resting position and reaches a height of 2m on the peaks of the waves and -2m in the troughs. The time between the peak and the trough is ...
*Saturday, May 5, 2012 at 5:39pm by arnab*

**mathematics - sinusoidal curves**

h=2 m. = Ht. or amplitude of the wave. P = 2 * 3s = 6 s. = The period or time for i cycle. F = 1/P = 1/6 c/s = 1/6 Hz = Frequency of the wave. h = hmax*sinWt. h = 2*sinWt. W = 2pi*F = 2piRad/c * (1/6)c/s = 2pi/6 = pi/3 Rad/s. Eq: h = 2*sin((pi/3)t)
*Saturday, May 5, 2012 at 5:39pm by Henry*

**MATH SINUSOIDAL APPLICATION**

Would pulling a roll of thread create a sinusoidal function? please suggest some real life application of sinusoidal wave that i can experiment with...
*Friday, October 4, 2013 at 11:12pm by Anonymous*

**music**

Most musical sounds follow a sinusoidal pattern. That is, if graphed the are variations of sine or cosine curves the frequency affects the pitch, the greater the frequency the higher the pitch the amplitude affects the intensity , again, the greater the amplitude of the wave, ...
*Thursday, April 24, 2008 at 11:10pm by Reiny*

**university mathematics**

find the area enclosed between the following curves:- Y= lnx and y= -2x+3 and the ordinate x=3
*Tuesday, November 1, 2011 at 9:43am by anonymous*

**maths**

determine the co-ordinate of the poin of intersection of the curves y=x*x and y*y=8x. sketch the two curves and find the area enclosed by the two curves.
*Monday, February 7, 2011 at 1:19am by patrick*

**university mathematics**

Integration Applications: find the area enclosed by the following curves:- Y= lnx and y= -2x+3 and the ordinate x=3
*Wednesday, November 2, 2011 at 12:51am by Avi*

**Calculus **

You will have to sketch the three curves yourself. The curves y = (3/2)sqrtx and y = (5/2) -x intersect at (1,3/2) The enclosed area starts at that point and expands upward to the line y = 3, bounded by the two other curves along the way. Your best bet is to integrate (x2 - x1...
*Wednesday, August 17, 2011 at 1:49am by drwls*

**Pre cal**

In a sinusoidal,function, how do you determine whether or not y= sin4(x) has a period of 2 pi If it is equal to 2 pi then what is a sinusoidal function that is not equal to 2 pi
*Tuesday, March 11, 2014 at 7:08pm by Lannah*

**calculus**

two curves are orthogonal at a point of intersection of their tangents at that point cross at right angles. Show that the curves 2x^2+3y^2=5 and y^2=x^3 are orthogonal at (1,1) and (1,-1). Use parametric mode to draw the curves and to show the tangent lines
*Tuesday, November 15, 2011 at 4:59pm by Anonymous*

**physics**

Given that x=Acos(wt) is a sinusoidal function of time, show that v(velocity) and a(acceleration) are also sinusoidal functions of time. (HINT: Use v=square root [(k/m)(A^2-x^2)] and a=(-k/m)X The hint tells you what to do: put Acoswt for X. A second way which is easier is in ...
*Thursday, March 15, 2007 at 4:45pm by steph*

**Physics**

Calculus is a branch of mathematics that lets you solve equatiuns that involve the rate of change of functions, or the areas under curves. In the course of solving these equations, often many new functions are introduced.
*Sunday, October 24, 2010 at 10:49pm by drwls*

**Mathematics**

Among 500 freshmen pursuing a business degree at a university, 313 are enrolled in an economics course, 205 are enrolled in a mathematics course, and 153 are enrolled in both an economics and a mathematics course. What is the probability that a freshman selected at random from...
*Sunday, February 20, 2011 at 11:12pm by Anonymous*

**physics**

A point on a string undergoes simple harmonic motion as a sinusoidal wave passes. When a sinusoidal wave with speed 24 m/s, wavelength 30 cm, and amplitude of 1.0 cm passes, what is the max speed of a point on the string?
*Friday, September 24, 2010 at 1:08am by Willie*

**Math**

You know that the solution is sinusoidal about the axle with circular frequency 1.5 pi radians/second you know that the axle is 1.5 feet off the ground the rotation is therefore a sinusoidal function up and down 1.5 ft from h = 1.5 ft or y = 1.5 + (a sin 1.5pi t + b cos 1.5 pi...
*Wednesday, August 10, 2011 at 5:45pm by Damon*

**economics**

if ad1 and as1 are the before curves and ad2 and as2 are the after curves how is this graph set up
*Sunday, October 24, 2010 at 6:36pm by misty*

**Maths**

what are the meanings of Mathematics of Buying and Mathematics of Selling, using language from the Business Mathematics aspect.
*Monday, December 26, 2011 at 2:25pm by ummu*

**trig**

1. Write a sinusoidal function for the function with a period of 6. The function has a max of 3 at x=2 and a low point of -1. 2. Write a sinusoidal function for the function with a period of 5. The function has a max of 7 at x=1. explain it in full detail please
*Sunday, April 26, 2009 at 6:02pm by Ske*

**probability**

out of 250 students interviewed at a community college, 90 were taking mathematics but not computer science, 160 were taking mathematics, and 50 were taking neither mathematics nor computer science. Find the probability that a student chosen at random was a. taking just ...
*Thursday, October 27, 2011 at 2:14pm by Emma*

**Calculus-Area between curves **

Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Then find the area of the region. 2y=4*sqrt(x) , y=5 and 2y+4x=8 please help! i've been trying this problem the last couple days, even asked a TA for help, but i can't arrive at...
*Thursday, November 21, 2013 at 10:16pm by Chrissy*

**Economics**

Refer to the above diagrams, in which AD1 and AS1 are the "before" curves and AD2 and AS2 are the "after" curves. Cost-push inflation is depicted by:
*Tuesday, August 15, 2006 at 3:06am by al*

**Economics**

Reference: F11061 Refer to the above diagrams, in which AD1 and AS1 are the "before" curves and AD2 and AS2 are the "after" curves. A recession is depicted by:
*Tuesday, August 15, 2006 at 3:06am by lo*

**calculus**

The curves intersect at x = 0 and x = 1. The region bounded between those curves has y-separation of 6(x-x^6). For the total enclosed area, integrate that function times dx from x=0 to x=1.
*Friday, January 30, 2009 at 8:33pm by drwls*

**Economics**

Refer to the above diagrams, in which AD1 and AS1 are the "before" curves and AD2 and AS2 are the "after" curves. Other things equal, inflation is absent in:
*Tuesday, August 15, 2006 at 3:06am by Anonymous*

**Economics**

Refer to the above diagrams, in which AD1 and AS1 are the "before" curves and AD2 and AS2 are the "after" curves. Other things equal, inflation is absent in:
*Tuesday, August 15, 2006 at 3:06am by jan*

**Economics**

Refer to the above diagrams, in which AD1 and AS1 are the "before" curves and AD2 and AS2 are the "after" curves. Other things equal, inflation is absent in:
*Tuesday, August 15, 2006 at 3:06am by Anonymous*

**Calculus-check my answers please**

dy/dx= (y^2 -1)/x 1. Give the general equation of the curves that satisfy this equation. 2. Show that the straight lines y=1 and y=-1 are also solutions 3. Do any of the curves you found in 1) intersect y=1? My Ans: 1. The general solution i found out to be x^2 + C = (y-1)/(y+...
*Tuesday, November 7, 2006 at 3:45pm by Hebe*

**Economics**

Refer to the above diagrams, in which AD1 and AS1 are the "before" curves and AD2 and AS2 are the "after" curves. Growth, full-employment and price stability is depicted by:
*Tuesday, August 15, 2006 at 3:06am by Anonymous*

**Economics**

Reference: F11061 Refer to the above diagrams, in which AD1 and AS1 are the "before" curves and AD2 and AS2 are the "after" curves. Growth, full-employment and price stability is depicted by:
*Tuesday, August 15, 2006 at 3:06am by Anonymous*

**calculus**

Consider the curves y = x^2and y = mx, where m is some positive constant. No matter what positive constant m is, the two curves enclose a region in the first quadrant.Without using a calculator, find the positive constant m such that the area of the region bounded by the ...
*Sunday, March 4, 2012 at 2:31pm by John*

**Calculus 3**

Given the function f(x,y)=y/(x^2+y^2), give and identify the level curves for k=1, k=1/2, and k=1/4, and draw a contour map showing these level curves. Any help would be immensely appreciated. Thanks
*Sunday, February 26, 2012 at 8:55pm by Anonymous*

**Math essay**

Even though, Mathematics may not seem like it has a lot of history, it really does. The history of Mathematics has progressed so much, that even today there are more developments and discoveries still going on. Without the many things that have been found throughout history, ...
*Tuesday, November 27, 2007 at 6:28pm by Soly*

**trig**

best way is to memorize and sketch the curves of both the sine and cosines curves, marking in those critical 4 values. After 55 years of doing this, I still sketch them .
*Tuesday, January 8, 2013 at 6:37am by Reiny*

**Economics**

Refer to the above diagrams, in which AD1and AS1are the "before" curves and AD2and AS2are the "after" curves. Other things equal, a decline in net exports caused by a change in incomes abroad is depicted by:
*Tuesday, August 15, 2006 at 3:06am by Anonymous*

**Managerial Economics**

When developing short-run cost curves, it is assumed that all firms in perfect competition have the same cost curves and they all make identical short-run profits or losses. Contrast this to the real world and why individual firms might experience different cost curves and ...
*Monday, November 14, 2011 at 3:43pm by Cindy*

**math-calculus 2**

Consider the given curves to do the following. 64 y = x^3, y = 0, x = 4 Use the method of cylindrical shells to find the volume V generated by rotating the region bounded by the given curves about y = 1.
*Friday, June 21, 2013 at 5:23pm by Biff*

**Calculus (Area Between Curves)**

Find the area of the region bounded by the curves y^2=x, y-4=x, y=-2 and y=1 (Hint: You'll definitely have to sketch this one on paper first.) You get: a.) 27/2 b.) 22/3 c.) 33/2 d.) 34/3 e.) 14
*Wednesday, February 29, 2012 at 2:39pm by Mishaka*

**Physics**

A car travels the same distance at constant speed around two curves, one with twice the radius of curvature of the other. For which of these curves is the change of the velocity of the car greater? Explain.
*Thursday, March 8, 2012 at 12:28am by Nikki*

**math!**

yes. Now, you need the second derivative, which in this cae is 6x. So, at the first "critical point,-1.4, the second derivative is negative, so at that point, so it is a maximum. At the second point 1.4, the second derivative is positive, so the graph is a relative minumum ...
*Thursday, October 23, 2008 at 6:19pm by DanH*

**economics**

For the total variable cost (TVC), draw a positive total fixed cost (TFC) and total cost (TC) curves. Then derive the associated marginal cost (MC), average total cost (ATC), average variable (AVC) and average fixed cost (AFC) curves. Be sure to capture and explain the ...
*Sunday, February 12, 2012 at 5:43pm by Daca*

**Calculus Area between curves**

Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Then find the area of the region. 3y+x=3 , y^2-x=1
*Thursday, November 21, 2013 at 10:22pm by Amy*

**calculus**

consider the area enclosed between the curves f(x)=x^2 and g(x)=4x what is the volume obtained by revolving the area between these two curves around the line y=20 ? please help, i don't know what to do
*Tuesday, February 2, 2010 at 5:02pm by amy*

**math**

consider the area enclosed between the curves f (x) = x2 and g (x) = 4x what is the volume obtained by revolving the area between these two curves around the line y = 20?
*Tuesday, February 2, 2010 at 11:57pm by amy*

**calculus**

consider the area enclosed between the curves f (x) = x2 and g (x) = 4x what is the volume obtained by revolving the area between these two curves around the line y = 20 ? please help, i don't know what to do
*Tuesday, February 2, 2010 at 1:07pm by amy*

**Shelly**

Here are some sites on pH curves that you might like: http://search.yahoo.com/search?fr=mcafee&p=how+to+do+pH+curves Sra
*Monday, October 24, 2011 at 10:32am by SraJMcGin*

**MATH**

Danny is measuring the loudness of a police siren. At t=2 seconds, the siren's loudness is at its maximum of 112 dB for the first time. At t=7 seconds, the siren's loudness is at its minimum of 88 dB for the first time. The loudness is a sinusoidal function of time, t. In the ...
*Thursday, December 10, 2009 at 9:29pm by SC*

**Calculus (Area Between Curves)**

Find the area of the region IN THE FIRST QUADRANT (upper right quadrant) bounded by the curves y=sin(x)cos(x)^2, y=2xcos(x^2) and y=4-4x. You get: a.)1.8467 b.) 0.16165 c.) 0.36974 d.) 1.7281 e.) 0.37859
*Wednesday, February 29, 2012 at 4:43pm by Mishaka*

**MATH SINUSOIDAL APPLICATION**

yes, it would, if you are graphing the position of any point on the spool except the center of the axle. anything involving a rotating object will produce a sinusoidal function. Even alternating electrical current does, since it is produced by rotating magnets. If you want to ...
*Friday, October 4, 2013 at 11:12pm by Steve*

**Math/Science/Astronomy**

Without going into a lengthy derivation, I would assume a sinusoidal variation would be a good approximation. The period between new monns in 27.53 days. If T is the time since the previous new moon, Illumination fraction = 0.5 - 0.5 cos (2 pi T/27.53) The angle in parentheses...
*Wednesday, December 24, 2008 at 4:50pm by drwls*

**Math**

It is a sinusoidal curve.
*Thursday, July 2, 2009 at 11:24am by bobpursley*

**Maths**

Among the examinees in an examination 30%, 35% and 45% failed in Statistics, in Mathematics, and in at least one of the subjects respectively. An examinee is selected at random. Find the probabilities that a. He failed in Mathematics only b. He passed in Statistics, if it is ...
*Saturday, October 9, 2010 at 2:09am by Neeraj Bhanot*

**IGNOU probability**

Among the examinees in an examination 30%, 35% and 45% failed in Statistics, in Mathematics, and in at least one of the subjects respectively. An examinee is selected at random. Find the probabilities that a. He failed in Mathematics only b. He passed in Statistics, if it is ...
*Friday, October 15, 2010 at 6:10am by Dharmenra*

**ukzn**

Refer to the above diagrams, in which AD1 and AS1 are the "before" curves and AD2 and AS2 are the "after" curves. Cost-push inflation is depicted by: a. panel (A) only. b. panel (B) only. c. panel (C) only d. panels (B) and (C).
*Saturday, August 16, 2008 at 7:04am by siya*

**Physics**

a) They are in the same place at the same time where the curves intersect. b) Can't you read the graph? Joszi is behind until the curves intersect. How much elapsed time is that? c) The current is swiftest where the slopes of the lines are greatest. That happens 6 to 9 km from...
*Saturday, December 26, 2009 at 9:57am by drwls*

**calculus**

By inspection, the curves intersect at (1,1) and (1,-1) ellipse: 4x + 6yy' = 0 y' = -2x/3y at (1,1) slope = -2/3 at (1,-1) slope = 2/3 semicubical parabola: 2yy' = 3x^2 y' = 3x/2y at (1,1) slope = 3/2 at (1,-1) slope = -3/2 The slopes at the intersections are negative ...
*Tuesday, November 15, 2011 at 4:59pm by Steve*

**Math essay**

Still today, Mathematics history is still in the making. In about mid-March of 2007, there was a team of researchers throughout North American and Europe who used network of computers to map E8. Even though its not know exactly how the understanding of E8 can be useful, the ...
*Tuesday, November 27, 2007 at 6:28pm by Soly*

**economy**

Reference: F11061 Refer to the above diagrams, in which AD1 and AS1 are the "before" curves and AD2 and AS2 are the "after" curves. Other things equal, inflation is absent in: Answer panel (A) only. panel (B) only. panel (C) only panels (A) and (C).
*Sunday, August 23, 2009 at 5:11am by Anonymous*

**math**

500 students sat for an examination in mathematics,physics and chemistry.45 passed all the three subject,60 passed mathematics and chemistry,70 passed physics and chemistry,50 passed mathematics and chemistry,10 passed in mathematics,80 passed in chemistry and 35 passed at ...
*Sunday, November 13, 2011 at 3:23pm by damilola*

**pre calculus**

as with all exponentials, the domain is all real numbers. All exponential curves look basically alike. If n > 1, n^x curves up to the right. If n < 1 the graph curves down to the right. n^x always has the x-axis as an asymptote. Note that n must be positive, since n^x = ...
*Saturday, December 17, 2011 at 8:36pm by Steve*

**MATH**

Region A that on xy-plane is bounded by two (2) curves and a line. The curves are y=x^3-2x+3 and y=-x^2+3 while the line is x=0. It is located in the first quadrant of xy-plane. Determine the area of region A.
*Thursday, April 7, 2011 at 2:55am by AIRA*

**Calculus [rotation of region bounded by curves]**

Find the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis. y=3x^2, x=1, y=0 about the x-axis
*Friday, November 30, 2012 at 5:42pm by Ali*

**mathematics**

how do I cope with intermediate mathematics e.g log rhythms?
*Tuesday, October 16, 2012 at 5:37pm by Aron*

**mechanics**

Sketch two S-N curves on the same axis, one for a metal with an endurance limit and one for a metal without an endurance limit. Mark any points of interest on the curves.
*Sunday, February 24, 2013 at 12:24pm by dmkp*

**microeconomics**

If the technology for producign a good improves and at the same time,the price of a substitute good falls, then the quantity bought and sold of the first good will increase. True, False, or Uncertain. Explain. Take a shot. Hint: draw existing supply and demand curves. Then ...
*Thursday, February 8, 2007 at 1:53am by Brittany*

**mathematics**

how can you do the lcm to somethimg like 12000 without having to do all of that mathematics just to make it quicker?
*Monday, September 10, 2007 at 4:52pm by alana*

**mathematics**

why would someone study mathematics
*Thursday, April 30, 2009 at 8:55am by stac*

**mathematics**

what are the 20 terms that are used in mathematics
*Thursday, June 9, 2011 at 5:31pm by renee*

**MATH**

Determine an equation of a sinusoidal function that has a maximum at (5, 4) and a minimum at (2, -10).
*Monday, July 15, 2013 at 10:34pm by ROBIN*

**Economics**

Reference: F11061 Refer to the above diagrams, in which AD1 and AS1 are the "before" curves and AD2 and AS2 are the "after" curves. Other things equal, a decline in net exports caused by a change in incomes abroad is depicted by: a. panel (A) only. b. panel (B) only. c. panel...
*Tuesday, August 15, 2006 at 3:06am by michelle*

**economy**

Question 10 (1.00 points) Reference: F11061 Refer to the above diagrams, in which AD1 and AS1 are the "before" curves and AD2 and AS2 are the "after" curves. Other things equal, a decrease in resource prices is depicted by: a. panel (A) only. b. panel (B) only. c. panel (C) ...
*Sunday, August 23, 2009 at 5:11am by Anonymous*

**Math**

In a class of 550 students, students may take all, none, or a combination of courses as follows.? Draw a Venn diagram to find how many students are not in any of these courses. Mathematics-280 Science-200 Technology-230 Mathematics and Technology-110 Science and Technology-100...
*Tuesday, June 9, 2009 at 4:42pm by Angie*

**CALCULUS ONE!**

The graph of sinx and cosx intersect once between 0 and pi/2. What is the angle between the two curves at the point where they intersect? (You need to think about how the angle between two curves should be defined).
*Tuesday, October 18, 2011 at 12:03am by Sara*

**Economics**

The demand curve is amount bought vs price. The supply surve is amount produced vs. price. The formulas for the two curves are NOT the same. The two curves intersect at the equilibrium price.
*Thursday, February 26, 2009 at 3:03am by drwls*

**Math**

in your notes or text you should have a summary of what y = a sin kx looks like a is the amplitude, and there are k complete sine curves from 0 to 2pi (360º). so the amplitude is 4, there are 2 complete sine curves in the domain from 0 to 360, or the period of each sinewave is...
*Saturday, March 14, 2009 at 2:32pm by Reiny*

**math**

how to find the first three zeros to the right of origin in a sinusoidal function?
*Tuesday, December 13, 2011 at 3:37pm by justme*

**University studies**

According to the Center for Mathematics Excellence, which of the following is a math myth? A. Knowing the rules and how to use them is the most important part of math. B. Even people who are highly skilled in mathematics and science find these subjects to be challenging C. ...
*Thursday, November 3, 2011 at 7:40pm by lil Bee*

**Calculus (Area Between Curves)**

Find the area of the region IN THE FIRST QUADRANT (upper right quadrant) bounded by the curves y=sin(x)cos(x)^2, y=2xcos(x^2) and y=4-4x. You get: a.)1.8467 b.) 0.16165 c.) 0.36974 d.) 1.7281 e.) 0.37859 Based on my calculations, I would say that the answer is e.) 0.37859. I ...
*Wednesday, February 29, 2012 at 4:21pm by Mishaka*

**Math Essay**

I have to write this paper over the history of math, can you please give me some other websites that I can use? So far I have one website from wikipedia. Also, can you please read my introduction? As of today, there are plenty of new developments in the area of Mathematics. ...
*Friday, November 9, 2007 at 11:15pm by Soly*

**Physics**

I know one oscillation is 48seconds (I was given a sinusoidal graph to determine the previously stated values from)
*Wednesday, December 7, 2011 at 3:36pm by Me*

**econ - demand and supply**

just a few questions that would like to double check my answer For each of the following cases, sketch a supply and demand curve for the specified industry and show how each event will shift the curves. (Be sure to label all curves)! State what occurs to the Q and P for each ...
*Tuesday, March 20, 2007 at 5:43pm by tofu*

**Calculus kinda with the area of two curves**

the two curves intersect where x^2-c^2 = c^2-x^2 that is, where x=±c The area is thus ∫[-c,c] (c^2-x^2)-(x^2-c^2) dx = 4∫[0,c] c^2-x^2 dx = 4(c^2 x - 1/3 x^3)[0,c] = 4(c^3 - 1/3 c^2) = 8/3 c^3 8/3 c^3 = 270 8c^3 = 30*3^3 c = 3/2 ∛30
*Monday, December 2, 2013 at 2:42pm by Steve*

**Algebra 1**

Write an equation for for each translation of y=|x| 1. left 2 units y = |x| consists of two 45 degree curves joined at the origin: y = x for x>0, and y = -x for x < 0. To move the curves to the left 2 units, you want the sign of the term inside the absolute value sign to...
*Sunday, January 7, 2007 at 11:26pm by Mike*

**Maths**

in a school,7/10 of the pupils like mathematics. half of those who like mathematics are girls.if there are 240 pupils in the school,how many girls like mathematics
*Wednesday, April 25, 2012 at 5:10pm by Daisy*

**Calculus (Area Between Curves)**

Find the area of the region bounded by the curves y=x^(-1/2), y=x^(-2), y=1 and y=3. You get: a.) 1/2(sqrt(3)) + 4/3 b.) 2(sqrt(3)) - 8/3 c.) 1/2(sqrt(3) - 32/3 d.) 2(sqrt(3)) - 32/3 e.) 8/3 - 2(sqrt(3))
*Wednesday, February 29, 2012 at 3:44pm by Mishaka*

**Calculus - please help!**

Suppose that 0 < c < ¥ð/2. For what value of c is the area of the region enclosed by the curves y = cos x, y = cos(x - c), and x = 0 equal to the area of the region enclosed by the curves y = cos(x - c), x = ¥ð, and y = 0? i have no idea how to solve this question.
*Thursday, November 25, 2010 at 10:12pm by K*

**economics **

2. Suppose that the quantity of corn supplied depends on the price of corn, p; and the amount of rainfall, R: The demand for corn depends on the price of corn, p; and the level of income, Y: The equations that describe the supply and demand relationships are Qs = 20R+100p Qd...
*Friday, February 4, 2011 at 10:39pm by yas*

**physics**

The curves on a race track are banked to make it easier for cars to go around the curves at high speed. Draw a free-body diagram of a car on a banked curve. From the motion diagram, find the direction of the acceleration. (a) What exerts the force in the direction of the ...
*Tuesday, November 30, 2010 at 3:25pm by max*

**physics**

The curves on a race track are banked to make it easier for cars to go around the curves at high speed. Draw a free-body diagram of a car on a banked curve. From the motion diagram, find the direction of the acceleration (a) What exerts the force in the direction of the ...
*Tuesday, November 30, 2010 at 9:21pm by max*

**math**

In a group of 105 students, 70 students passed Mathematics, 60 students passed History and 45 students passed Geography; 30 students passed Mathematics and History, 35 students passed History and Geography, 25 passed Mathematics and Geography, and 15 passed all three subjects...
*Thursday, January 23, 2014 at 8:39am by Lucas*

**Math**

In a group of 105 students, 70 students passed Mathematics, 60 students passed History and 45 students passed Geography; 30 students passed Mathematics and History, 35 students passed History and Geography, 25 passed Mathematics and Geography, and 15 passed all three subjects...
*Friday, January 24, 2014 at 1:03am by Lucas*

**Mathh**

The temperature in a certain cave is a sinusoidal function of time. When you first enter the cave, you set up a thermometer to record the temperature. After 19.5 hours, the temperature in the cave is at its maximum: 35 degrees celsius. The temperature then dropped, reaching ...
*Tuesday, December 8, 2009 at 9:44pm by SC*

**science**

Hmm -- Mathematics involves multiplication and division, too. So a) isn't right. Check this dictionary definition to find the right answer. http://dictionary.reference.com/browse/mathematics
*Sunday, September 12, 2010 at 3:15pm by Ms. Sue*

**Elementary Mathematics**

How can a teacher help a student develop a strong understanding of the operations and of number relationship in Mathematics? This was a very interesting question, but I am having a hard time answering it. Need your help... Thanks alot!!!
*Tuesday, March 11, 2008 at 10:33pm by Monica*

**11th grade**

The curves on a race track are banked to make it easier for cars to go around the curves at high speed. Draw a free-body diagram of a car on a banked curve. From the motion diagram, find the direction of the acceleration (a) What exerts the force in the direction of the ...
*Tuesday, November 30, 2010 at 7:16pm by max*

**mathematics **

MATHEMATICS PLEASE HELP ME!!! In an arithmetic series the 3rd term is twice the 8th term find the first 25 terms
*Thursday, March 6, 2014 at 10:43am by brad johnson*

**math, adult education**

If I take 0 out of arithmetic then what do I have left mathematically? What is the name for the mathematics that does not have zero in it? Is this mathematics used in the real world?
*Sunday, March 1, 2009 at 10:51pm by B.J.*

**Economics**

What would a graph illustrating private demand and supply curves in the marketplace for education look like? Like any other generic supply and demand curves. Put price of private education (e.g., tuition) on the y-axis, quantity of education (e.g., number of students) on the x...
*Wednesday, December 13, 2006 at 4:01pm by Allie*

**AED**

What are some appropriate and effective ways to use technology in the mathematics classroom? How can you ensure that students do not depend too heavily on technology to complete mathematics assignments?
*Monday, November 17, 2008 at 8:06pm by troyer0269*

**AED**

What are some appropriate and effective ways to use technology in the mathematics classroom? How can you ensure that students do not depend too heavily on technology to complete mathematics assignments?
*Wednesday, November 19, 2008 at 9:17pm by troyer0269*

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