Wednesday

January 18, 2017
Number of results: 59,023

**science **

1. An object 5 millimeters high is located 15 millimeters in front of a plane mirror. How far from the mirror is the image located? A. 5.0 millimeters B. 7.5 millimeters C. 15 millimeters D. 30 millimeters

*June 16, 2011 by phyllis*

**College Physics**

6. A tall bald student (height 2.1 meters and mass 93.1 kg) decides to try bungee jumping from a bridge. The bridge is 36.7 meters above the river and the "bungee" is 25.3 meters long as measured from the attachment of the bridge to the foot of the jumper. Treat the "bungee" ...

*June 29, 2011 by Jane*

**Calculus**

Use analytical methods to find the exact global maximum and minimum values of the function f(x)=8x-ln(4x) for x >0. If a global maximum or minimum does not exist, enter the word NONE. For the global maximum at x=none, But for the Global minimum at x=? Is the Global minimum ...

*October 16, 2008 by George*

**Calculus**

A friend of mine was selling the lumber from his old barn to be repurposed. Knowing that I liked old wood, he set aside a board totaling 12 feet in length for me. I want to cut it to form a rectangular frame for a mirror. What should the dimensions be to provide the largest area?

*April 11, 2013 by Mike Sowells*

**maths**

two straight poles length 80m, 50 m vertically with a distance 40m. a rope is connected their tops. find the length of the rope?

*February 16, 2015 by priya*

**Calculus Help**

The deal your assistant signs calls for the sale of a minimum of 260 chairs and up to 410 chairs. The price will be $88 per chair if only 260 chairs are bought, but will be discounted by $0.2 per chair (on the entire order) for every chair ordered in addition to the minimum. ...

*July 15, 2014 by Anonymous*

**physics**

A 1289 Hz sound from the speaker enters a tube at point A. It then takes two paths, ACD or ABD. Minimum sound is heard when ACD has a length of 94.2 cm and ABD has a length of 41.0 cm. The length of ACD is slowly increased until the point of maximum loudness is found when ACD ...

*February 26, 2012 by Tom*

**MATHS HELP plz**

A parcel in the form of a rectangular block is held together by three pieces of tape . The parcel has square ends of side x cm and is y cm in length. Express the total length of tape in terms of x and y. Given tat the total length of tape is 450 cm, express the volume, V cm3 (...

*December 4, 2014 by Dia*

**Algerbra**

I need help solving the b portion of the equation. 15. Assume that a surveyor stands at the top of a mountain that is “h” feet tall. If the distance (in feet) that he can see is defined by d = 3200.2 SQRT(h), then answer the following. (a) How far can the surveyor see from...

*March 15, 2009 by LOke*

**health**

I am completely confused can anyone help me? Here is my question.... For each body system, identify which body approach(es) might best be used to organize information. Choose only from the following approaches: microscopic-to-macroscopic, body directions and planes, body ...

*May 30, 2010 by Cindy*

**math**

A rectangular box of the dimensions 4 x 2 x 2 units is to be tied up with a ribbon lengthwise and breadthwise only once. For the knot, an additional 4 units of ribbon-length is required. What is the number of minimum units of ribbon-length required for this activity ?

*February 23, 2016 by max*

**physics**

A laboratory (astronomical) telescope is used to view a scale that is 306 cm from the objective, which has a focal length of 20.0 cm; the eyepiece has a focal length of 2.40 cm. Calculate the angular magnification when the telescope is adjusted for minimum eyestrain. (Note: ...

*December 17, 2010 by Jessica*

**algebra**

The equation D=1.2times square root h gives the distance, D, in miles a person can see to the horizon from a height, h, in feet. a. sovle for h. b. Long's Peak is 14,255 feet in elevation. How far can you see to the horizon for Long's Peak? Can you see Cheyenne, Wyoming (about...

*March 6, 2010 by Carson*

**chemistry AP**

Give a scientific explanation for the following observations: Perspiring is a mechanism for cooling the body -is it because when something is heated it produces a salt and h2o, so when our body heats up the chemicals in our body let out salt and water, essentially combining to...

*January 29, 2008 by ivy*

**college**

the inverted image of a light bulb is formed on a screen located 9 metres from spherical mirror.the image is 4 times larger than the light bulb.determine the object distance

*April 14, 2010 by thinkwell mashwama*

**Pre-Calculus**

This is application question. Bacterial Control. If t days after treatment the bacteria count per cubic centimeter in a body of water is given by C(t) = 10t^2 - 120x + 800 0 <= t <= 9 Thn in how many days will the jcount be a minimum? I got this result: 20(t^2 - 6 + 40) ...

*November 19, 2011 by Stacy*

**math**

The distance between goalpost, BC, is three times the distance from the top of the goalpost to the bottom. If the perimeter of ABCD is 21 1/3 yards, what is the length of BC

*November 4, 2010 by alex*

**Math**

The distance between goalpost, BC, is three times the distance from the top of the goalpost to the bottom. If the perimeter of ABCD is 21 1/3 yards, what is the length of BC

*January 7, 2016 by Mia*

**Electronic**

If one body is positively charged and another body is negatively charged, will the free electrons tend to move from the negatively charged body to the positiovely charged body? yes

*September 27, 2006 by Ed*

**Math**

Are these numbers : whole numbers, integers, or both 5 whole number -1 integer 0 whole number 3 whole number -12 integer -11 integer 15 whole number 23 whole number 2 whole number -9 whole number

*August 28, 2013 by Jerald*

**physics**

Question: 15 of 30: The distance versus time plot for a particular object shows a quadratic relationship. Which column of distance data is possible for this situation? Time (s) A. Distance (m) B. Distance (m) C. Distance (m) D. Distance (m) E. Distance (m) 0 0 2.00 9.00...

*May 23, 2013 by ....*

**Calculations**

i`m being asked to find the focal length. I know that the distance from the lens to the object is 35 cm and that the distance from the image to the lens is 27 cm. I did the following: 1/27 + 1/35 = 1/f 62/945=1/f 15 15/62 = f Did I do this correctly?

*February 17, 2009 by Lena*

**math**

last year mc donald sold 5*10^9 packet of french fries. if we put french friesbend to end estimate the total distance? calculate the order of magnitude?compare the distance? i need to see details in calculations plz thank you

*August 28, 2012 by tasha*

**Physics, still don't get it!**

Suppose a monatomic ideal gas is contained within a vertical cylinder that is fitted with a movable piston. The piston is frictionless and has a negligible mass. The area of the piston is 3.06 10-2 m2, and the pressure outside the cylinder is 1.02 105 Pa. Heat (2109 J) is ...

*April 18, 2007 by Mary*

**Chemistry**

The density of whole blood is 1.05g/mL. A typical adult has about 5.5L of whole blood. What is the mass in pounds of this amount of whole blood?

*April 14, 2015 by Anonymous*

**Science**

An airplane lands with a velocity of 100m.s/1.The maximum rate at which it can slow down is 5,0m.s/2.What is the minimum time needed to come to rest, starting from when it first touches ground?

*September 14, 2014 by Nhlanhla*

**physics**

a body moving at 40 m/s accelerates at the rate of 8m/s^2. what is the distance it transverses in 15 seconds?

*November 30, 2014 by ynah*

**math/geometry**

Two boxes must be wrapped. Both boxes are right rectangular prisms. The smaller box has a length of 12 inches. The larger box is similar to the first and has a length of 48 inches. Find the ratio of the amount of paper needed to wrap the large box to the amount of paper needed...

*March 24, 2011 by me*

**physics**

A particle moving with a constant acceleration describes in the last second of it's motion 9/25th of the whole distance.of it starts from rest ,how long is the particle is in motion and through what distance does it move if it describes 6cm in first second?

*May 25, 2012 by srikala*

**physics**

A transport plane takes off from a level landing field with two gliders in tow, one behind the other. The mass of each glider is 700 , and the total resistance (air drag plus friction with the runway) on each may be assumed constant and equal to 2600 . The tension in the ...

*October 24, 2011 by erl*

**physics**

A transport plane takes off from a level landing field with two gliders in tow, one behind the other. The mass of each glider is 700n , and the total resistance (air drag plus friction with the runway) on each may be assumed constant and equal to 2600n . The tension in the ...

*October 24, 2011 by erl*

**MATHS HELP plz!!**

A parcel in the form of a rectangular block is held together by three pieces of tape as shown in the diagram . The parcel has square ends of side x cm and is y cm in length. Express the total length of tape in terms of x and y. Given tat the total length of tape is 450 cm, ...

*December 4, 2014 by Dia*

**physics**

Calculate the force with which the body will fall on u. Also calculate, the kinetic energy, when body will be at height 6 ft. from ground. (take g=9.8m/s, mass of body=62 kg..)

*September 23, 2011 by Anonymous*

**Science**

A student weighs 36.4kg suppose his entire body is made of electrons. How many electrons are present in his body. What would be charge in his body.

*December 23, 2012 by Raju singh*

**Math**

Hi, this is a question I posted a couple of days ago and answers below.I am still really confused and unfortunately can't copy a picture into this. I thought it would be y-x but have no idea how to calculate that, but as the pistons move in towards each other, wouldn't the ...

*October 15, 2009 by Melody*

**????Math Question????8th grade adv.math**

Algebra! How is the distance formula and the pythagorean theroem similar? The distance formula follows from the pythagorean theorem. You have to apply it twice: If (x1, y1, z1) are the coordinates of a point 1 and (x2, y2, z2) are the coordinates of point 2, then the distance ...

*February 7, 2007 by Alex*

**Precalc**

Can someone please help me? I don't know how to solve for time under 23 units. When I try I think I get the answer for above 23 units and when I try to subtract from the whole period my answer is wrong. The correct answer is 5.1337 hours. Fidel is measuring the light intensity...

*August 19, 2011 by Rose*

**math,algebra**

Can someone set this up in equations so i can solve them i would greatly appreciate it. THanks. Problem #3 The base of a ladder is 14 feet away from the wall. The top of the ladder is 17 feet from the floor. Find the length of the ladder to the nearest thousandth. Problem #4 A...

*April 17, 2007 by jasmine20*

**PHYSIC**

A BODY OF MASS 4OOKG WITH VELOCITY OF 5M/S COLLIDE WITH A STATIONARY BODY 500KG IF THE TWO BODY AFTER IMPACT CALCULATE THE MAGNITUDE OF THEIR COMMON VELOCITY.

*February 2, 2016 by DESIRE*

**A math question needs answering**

math terminology needed! how do you find the whole set in fractions? How do you work out (20x2)- x =10 -x

*March 14, 2007 by Writeacher*

**physics**

a concave mirror of diameter 40m is used with a 6cm tall object placed 20 cm from it. Where is the image? Can you check my solution Radius(R)=20cm Distance object(do)=20cm (2/R)=(1/do)+(1/di) (1/di)=(2/R)-(1/do) why do they give you the object height i don't think you need to ...

*April 28, 2008 by shan*

**physics**

1. what happens to a narrow light beam that enters parallel to the principal axis on a spherical concave mirror? 2. what happens to a narrow light beam that passes through the focal point of a concave mirror before being reflected?

*May 2, 2010 by kike*

**algebra**

D is the set of whole numbers less than 3. (1 point) D = {0,1,2,3,4,5}; D = {x is a whole number, x < 3} D = {0,1}; D = {x | x < 3} D = {0,1,2}; D = {x | x is a whole number, x < 3} D = {0,1,2,3,4,5,6,7}; D = {x < 3}

*January 22, 2012 by amber*

**7th grade math help Ms.Sue please ASAP**

1. If a number is not a rational number, then it is _____. (1 point) an integer an irrational number a whole number a radical 2. A picture frame is 12 inches long and 9 inches wide. In inches, what is the diagonal length of the picture frame? (1 point) 21 15 8 6 3. Which ...

*October 24, 2012 by Delilah*

**Physics ~ missed this lecture pls help**

An object is p = 34.3 cm in front of a concave mirror. Its real image height is 6 times larger than the object height. What is the location of the image? Answer in units of cm. What is the radius of curvature of the mirror? Answer in units of cm.

*April 28, 2011 by cr*

**math **

Vesna Vulovic survived the longest fall on record without a parachute when her plane exploded and she fell 6 miles and 551 yards. What is this distance in yards? What is this distance in meters? (round yards to nearest whole number, round meters to one decimal place)

*September 30, 2015 by Angie *

**Physics 1**

A body of mass 6kg moving at 8m/s collides with a stationary body of mass 10kg and sticks to it. Find the speed of the composite body immediately after the impact.

*June 10, 2013 by Dan*

**physics**

Two loudspeakers are placed above and below each other and driven by the same source at a frequency of 3.70 102 Hz.An observer is in front of the speakers at point O, at the same distance from each speaker. What minimum vertical distance upward should the top speaker be moved ...

*May 3, 2012 by andrew *

**Physics**

Hello, I need some help with this physics problem. This was the only one I couldn't solve, and the teacher wouldn't help me because she wanted me to figure it out for myself, just like everyone else tried. (Although no one did) Here is the question: Type in imgur dot com slash...

*November 1, 2016 by Albert*

**Calculus**

Two electrical charges, one a positive charge A of magnitude a and the other a negative charge B of magnitude b, are loacted a distance c apart. A positively charged Particle P is situated on the line between A and B. Find where P should be put on so that the pull away from A ...

*November 12, 2006 by SCk9*

**Physics**

Dave needs to get groceries from the store, which is a distance of 1.7 km east of his house. Dave rides his bike to the store at a constant speed of 6.6 m/s, and rides back to his house at the slower speed of 2m/s. A)How long in seconds does it take Dave to reach the store? B)...

*September 15, 2015 by Haley*

**algebra**

Decreasing cube. Each of the three dimensions of a cube with sides of length s centimeters is decreased by a whole number of centimeters. The new volume in cubic centimeters is given by V(s) = s3 - 13s2 + 54s -72. a) Find V(10). b) If the new width is s - 6 centimeters, then ...

*July 10, 2009 by Sandra*

**Pre calc**

Thanks in advance for any help. I need help with this whole problem. The distance s(t) between an object and its starting point is given by the antiderivative of the velocity function v(t). Find the distance between the object and its starting point after 15 seconds if v(t)=0....

*May 14, 2008 by Peter*

**Calculus**

The post office ships a package using large package rates if the sum of the length of the longest side and the girth (distance around the package perpendicular to its length) is greater than 84in and less than or equal to 108in. Suppose you need to ship a package that is 40in ...

*November 14, 2016 by Danny*

**Physics**

Given an object distance of 48[mm] and a thin-lens focal length of 110[mm], then what is the image distance? What is the scale factor (M) of the image seen in the previous question?

*May 3, 2015 by Bri*

**Astronomy - Physics**

Finally, we will look at a system that is in an orbit comparable to the Earth to see how the angle that the light strikes the surface and the length of day contribute to the total amount of energy that we receive from the Sun at the two solstices. Recall that the changing ...

*March 9, 2013 by Amy*

**Inperial**

A body weight 0.8N when it is in air and 9.5N when completely immerserd in water Calculate i) the density of the body ii) relative density of the body

*January 3, 2017 by Mercedez*

**Physics**

(a) Two boxes of different mass are at rest on a ramp. What is the minimum coefficient of static friction between the boxes and the ramp if the system is in equilibrium? Given M=(1+0.34)m (b) Suppose there is no friction between the upper box and the ramp. What is minimum ...

*February 25, 2016 by Supansa*

**physics**

A reflecting telescope is used to observe two distant point sources that are 3.50 m apart with light of wavelength 600 nm. The telescope's mirror has a radius of 5.0 cm . What is the maximum distance in meters at which the two sources may be distinguished?

*June 22, 2016 by kay*

**math**

The distance d in miles that can be seen on the surface of the ocean is given by d = 1.6 h, where h is the height in feet above the surface. How high (to the nearest foot) would a platform have to be to see a distance of 19.5 miles?

*December 6, 2011 by leona*

**Correlations**

Which type of correlation would you expect to see between the distance traveled and the time it takes to travel that distance? A. positive correlation B. negative correlation C. no correlation idk why this question is confusing me, but it is

*November 11, 2013 by hermes*

**algebra**

Which type of correlation would you expect to see between the distance traveled and the time it takes to travel that distance? A. positive correlation B. negative correlation C. no correlation idk why this question is confusing me, but it is

*November 12, 2013 by hermes*

**Algebra 2**

The vertices of a feasible region are A(1,2), B(5,2), C(1,40. Write a function that satisfies each equation. a) A is the maximum and B is the minimum. b) C is the maximum and B is the minimum. c) B is the maximum and A is the minimum.

*October 18, 2012 by Marilu*

**Algebra 2**

The vertices of a feasible region are A(1,2), B(5,2), C(1,4). Write a function that satisfies each equation. a) A is the maximum and B is the minimum. b) C is the maximum and B is the minimum. c) B is the maximum and A is the minimum.

*October 18, 2012 by Marilu*

**statistics**

Assume the body temperture of healthy adults are normally distributed with a mean of 98.20 degrees F and a standard deviation of 0.62 degrees F... a. If you have a body temperture of 99.00 degrees F, what is your percentile score? b. Convert 99.00 degrees F to a standard score...

*May 8, 2010 by Jamie*

**math**

pei fen walked a distance of 526 m.then she walked for another 5minutes at a speed of 70m/min.she took a total of 12 min to walk the entire distance. A.find the total distance that pei fen walked b.what was pei fen's average speed for the whole journey?

*March 20, 2012 by Da S*

**Physics**

(a) Estimate the positive charge in you due to the protons in the molecules present in your body. (Assume that the human body is made entirely out of water.) (b) What is the net charge in your body?

*January 29, 2016 by Alyssa*

**Physics ~ please help!**

An object is p = 34.3 cm in front of a concave mirror. Its real image height is 6 times larger than the object height. What is the location of the image? Answer in units of cm. What is the radius of curvature of the mirror? Answer in units of cm.

*April 28, 2011 by cr*

**science**

when an object is placed 8 millimeters from a concave spherical mirror, a clear image can be projected on a screen 16 millimeters in front of a mirror,If the object has a height of 4 millimeters, the height of the image is

*April 20, 2009 by Anonymous*

**algebra**

when you look over an unobstructed landscape or seascape, the distance to the visable horizon depends on your height above the ground. The equation is a good estimate of this, in which d=distance to horizon in miles and h=height of viewer above the ground, in feet.. It is ...

*November 5, 2010 by Brandy*

**Math Help!!!**

Russell Grossman is training for the Olympics. He wants to know the distance across lake royal, so he can write in his training logbook how far he rows each day. If from one point on the shore to one side of the lake is 13 km and from the same point to another side of the lake...

*November 19, 2014 by Anonymous*

**trigo--help!**

how do i do this question? a ladder length 13m rests against a vertical wall with its foot on a horizontal floor at a distance of 5m from the wall. when the top of the ladder slips down a distance of x, the foot of the ladder moves out x. find the distance of x. a^2 + b^2 = c^...

*March 12, 2007 by holly*

**physics**

a concave mirror of diameter 40m is used with a 6cm tall object placed 20 cm from it. Where is the image? Can you check my solution Radius(R)=20cm Distance object(do)=20cm (2/R)=(1/do)+(1/di) (1/di)=(2/R)-(1/do) why do they give you the object height i don't think you need to...

*April 28, 2008 by shan*

**Government Studies**

How long do you need to train to join the military (minimum)? I'm not talking about West Point or prestigious schools, just basic training needed for combat. thanks

*April 9, 2009 by Mario*

**Physics 210**

A football kicker is trying to make a field goal from 42.0m. If he kicks at 35∘ above the horizontal, what minimum speed is needed to clear the 3.10m high crossbar?

*September 10, 2013 by Courtney*

**Statistics **

Find the minimum sample size needed to estimate the population proportion if the margin of error is 0.07 confidence level is 95% and from a prior study p hat is estimated by decimal equivalent of 94% A) 39 b)45 c)43 d)44

*April 21, 2015 by Leslie667*

**Statistics**

Find the minimum sample size needed to estimate the population proportion if the margin of error is 0.07 confidence level is 95% and from a prior study p hat is estimated by decimal equivalent of 94% A) 39 b)45 c)43 d)44

*April 22, 2015 by Leslie667*

**Science Help**

1.) A rail gun uses electromagnetic energy to accelerate objects quickly over a short distance. In an experiment, a 2.00 kg projectile remains on the rails of the gun for only 2.10x10-2 s, but in that time it goes from rest to a velocity of 4.00×103 m/s. What is the average ...

*October 18, 2014 by Kenny*

**Statistics**

A driving machine was employed to hit a sample of 41 each of two different brands of golf balls using the same force each time. The research team measured the distance between the point of impact and where the ball eventually came to rest on the ground. Results are show below...

*June 21, 2010 by Randi*

**English**

Which of the following do Petrarchan and Shakespearean sonnets have in common? A. rhyme scheme B. length C. question and answer format D. Both are organized as an octet and a sestet I Chose Answer B. length. I wanted someone to check my answer to see if it was correct. Thank you.

*February 15, 2016 by Justine*

**reading / riddle**

rene obsreves the body and files her report.her report is filed but not with the police. because many others will observe the body ,too. though the local police will not be called to ivestigate. why? Is she a med student? Is the report filed with her professor? Is the body a ...

*August 24, 2005 by becky garcia*

**math**

A chemical distillation tower, 110 m high is supported by cables of length L that reach from the top of the column to the ground at a distance D from the base of the tower. If D is 1/3 the length of a cable, find L and D.

*September 13, 2012 by david*

**chemistry**

1998 scientists using a special type of electron microscope were able to measure the force needed to break a single chemical bond. If 2.0 x 10^-9 N was needed to break a C-Si bond, estimate the bond enthalpy in kJ/mol. Assume that the bond had to be stretched by a distance of ...

*September 26, 2011 by Amber*

**Math**

Solve the equation: (-3/p+2) = (-8/p-3) Can someone please show me how to do this? I have a whole page of these to do but I don't really know what to do. If I could just see one done, I'm sure I can figure the rest out. Thank you.

*March 27, 2010 by Chad*

** science**

A body travelled from rest with acceleration 8m/s-2 find its velocity if the distance is 100m

*September 27, 2016 by Busayo*

**business lowercapstone**

Assignment Type: Individual Project Deliverable Length: 4-5 body pages, 1 PERT chart, 1 Gantt chart Points Possible: 185 Due Date: 4/22/2012 11:59:59 PM CT Using your current work organization (or an organization of interest) as the subject matter, research the elements of ...

*April 16, 2012 by dana*

**math**

The area of a rectangular space is 128 square feet. a. Find all the possible pairs of whole number dimensions in feet. b. Explain which pair allows enough space for a car to park. c. If the length of the space is x feet, how would you describ e the width using the area and the...

*March 20, 2014 by Anonymous*

**Physics**

Your parents have just bought you a new Canon digital camera. You wish to show your friends a picture of it, but you have no other cameras in the house. So you decide to stand 1.5 m in front of a flat mirror. For what distance should you focus your camera lens?

*March 7, 2015 by Anonymous*

**Calculus - Optimization **

The post office ships a package using large package rates if the sum of the length of the longest side and the girth (distance around the package perpendicular to its length) is greater than 84in and less than or equal to 108in. Suppose you need to ship a package that is 40in ...

*November 14, 2016 by Danny*

**algebra**

true or false 1. fraction cant be written as decimal. 2. natural numbers are referred to as counting numbers.whole numbers consists of counting numbers.whole numbers consist of counting numbers as well as the number 0 3. intergers do not include negative numbers. 4. ...

*August 31, 2008 by samanthast*

**Calculus**

A fence 3 feet tall runs parallel to a tall building at a distance of 3 feet from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building. Answer the following: The distance along the ladder to the top ...

*June 18, 2013 by Morgan*

**Nicholas**

Estimate the minimum distance in which a car accelrates from rest to 10m/s if its motor is extremly powerfull

*December 23, 2015 by Hanna*

**physics**

The human body can safely tolerate an acceleration 9.00 times that due to gravity. with what minimum radius of curvature may a pilot recover from a dive in pitching up the airplane if the airplanes speed is 770km/h at the end of the dive?

*November 3, 2013 by Anonymous*

**Math**

am having difficulties trying to find out the missing dimensions of a cutout piece. Can someone please tell me how to figure out the dimensions. They've given me the dimensions for the whole solid, but just not the cut out piece. Your help will be appreciated :-) There is a ...

*February 10, 2010 by Sara*

**physics**

A body of mass 10 kg moving at a speed of 4 m/s collides with another body of mass 4 kg at rest. After collision, if the speed of the body of 4kg mass be 5 m/s, the speed of body of 10kg mass shall be?

*May 17, 2015 by Satyabrata Saha*

**physics**

A 52 g mountain climber, start from rest, climbs a vertical distance of 730 m. At top, she is again at rest. In the process, her body generates 4.1*10^6 J of energy via metabolic processes. Her body acts like a heat engine with efficiency ( W/Q_h.) W is the magnitude of work ...

*November 18, 2010 by david*

**Calculus Help **

A high-speed bullet train accelerates and decelerates at the rate of 4 ft/s2. Its maximum cruising speed is 90 mi/h. (Round your answers to three decimal places.) (a) What is the maximum distance the train can travel if it accelerates from rest until it reaches its cruising ...

*April 19, 2014 by Ali*

**Math/Algebra...can you check this please...**

f(x)= -4(x+5)^2+3 The vertex is : -5,3 The line of symmetry is x= 3 The maximum/minimum value of f(x)= -5 Is the value of f(-5)=3, a minimum or maximum? Minimum Graphing would open from the bottom going up on the negative side.

*August 22, 2010 by Angel Eyes*

**Child Care**

1. The interaction between a child's biological makeup and the environmental influences that affect his or her development and behavior is called the a) balanced systems approach b) ecological systems theory c) body in the classroom analysis d) me/them dynamic 2. Alcohol, ...

*March 9, 2011 by Rachel*

**statistics**

Assume the body temperatures of healthy adults are normally distributed with a mean of 98.20 °F and a standard deviation of 0.62 °F (based on data from the University of Maryland researchers). a. (0.1 point) If you have a body temperature of 99.00 °F, what is your ...

*May 10, 2010 by Nathan*