
Math/Algebra do u know how to do slope intercept?
The following problems are in slope,point slope, and slope intercept forms of a line. Could you check these thanks. Find the slope intercept form of a line that passes through these two points (4,4) and (2,1) Answer: y= 1/2x2 Find the slope intercept
asked by Chico on March 26, 2009 
pre calc
Suppose you get on a Ferris Wheel that has a diameter of 40 meters and turns at a rate 1.5 revolutions per minute (the period is not 1.5 ) the height above the ground in meters, of your seat after t minutes can be modeled by an equation. Assume you get on
asked by julia on December 9, 2015 
data management gr.12
Kirk and Les regularly play each other at darts. The probability that Kirk wins any game is 0.3 and the outcome of each game is independent of the outcome of every other game. a)Find the probability that in a match of 15 games Kirk wins b)find the expected
asked by Anonymous on December 22, 2016 
Geometry
1) In the diagram above, line a is parallel to line b. Which theorem or postulate allows you to conclude that angle 6 is equal to 8? , line a is parallel to line b. Which of the following can you conclude based on the Alternate Interior Angles Theorem?
asked by kay on January 15, 2012 
math
Find the first and third quartiles, Q1 and Q3, of the following set of numbers.341, 240, 187, 373, 241, 455, 276, 210, 321 I searched Google under the key words "Quartiles" to get these possible sources: (Broken Link Removed)
asked by Anonymous on June 14, 2007 
Quadratic Equations
I couldn't find the sets of factors that add up to 13 in this problem. I have to solve this problem by factoring, not anything like the b/2a or anything. Plz help, anything is greatly appreciated! x^213x+36 Thx for helping ppl! Emily, Couldnt it be
asked by Emily on February 12, 2007 
math
Hello I am having trouble trying to figure out how to do the last 2 questions in this word problem In an article about investment growth, Money magazine reported that drug stocks show powerful longterm trends and offer investors unparalleled potential for
asked by aaron on September 22, 2009 
math
Hello I am having trouble trying to figure out how to do the last 2 questions in this word problem In an article about investment growth, Money magazine reported that drug stocks show powerful longterm trends and offer investors unparalleled potential for
asked by aaron on September 22, 2009 
math statistics/probability
Hello I am having trouble trying to figure out how to do the last 2 questions in this word problem In an article about investment growth, Money magazine reported that drug stocks show powerful longterm trends and offer investors unparalleled potential for
asked by aaron on September 22, 2009 
college math statistics
Hello I am having trouble trying to figure out how to do the last 2 questions in this word problem In an article about investment growth, Money magazine reported that drug stocks show powerful longterm trends and offer investors unparalleled potential for
asked by aaron on September 22, 2009 
Statistics
1. For the following exercise, complete the following by using the data sets below that provides the ages of the first seven presidents: a. Find the mean, median, and range for each of the two data sets. b. Find the standard deviation using the range rule
asked by Anonymous on July 7, 2010 
physics
A 5.00 g bullet moving with an initial speed of 340 m/s is fired into and passes through a 1.00 kg block. The block, initially at rest on a frictionless, horizontal surface, is connected to a spring of force constant 860 N/m. (a) If the block moves 5.50 cm
asked by Jennifer on March 23, 2009 
Trigonometry
Suppose you were at the beach and notice that at 1:00 pm the tide is in, that is, the depth of water is at its deepest. At that time you find that the depth of the water at the end of the pier is 1.9 meters. At 7:00 that evening when the tide is out, the
asked by John on February 11, 2014 
THE RIGHT QUESTION
a shell is fired with a velocity of 75 m/s at an angle of 55 degrees to the horizontal. calculate the * horizontal and vertical components of the velocity * greatest height above ground attained by the shell * horizontal distance travelled by the shell
asked by Sean on October 7, 2006 
algebra
I cant get this one nither I tried like 4 times to get right answer. 5x+123x=2x13x x=5 5x+123x=2x13x First, let's get the unknowns on one side of the equation and the knowns on the other side. 5x  3x + 2x + x = 12  13 5 x = 25 x =  5 ok I
asked by chrissy on August 1, 2007 
Physics
I really cannot understand how to get to the answer. Thank you! Two cars are traveling, Car A is behind the other, on a straight road. Each has a speed of 21 m/s and the distance between them is 25 m. The driver of the rear car decides to overtake the Car
asked by Darius on September 24, 2018 
physics
Three bolocks are connected(mass_1 on the left connected to mass_2 with a string which is T_1. Mass_2 is connected to Mass_3 with a string, T_2. the force is holding on to T_3 which is connected to mass_3) and pulled to the right on a horizontal
asked by Chris on November 13, 2006 
Health (Ms. Sue)
1. Explain the relationship between the key terms in each of the following pairs. a. bullying and violence b. neglect and abuse A: a. Bullying corresponds with violence as it is an act of frightening or controlling another person by using threats or
asked by Anonymous on November 2, 2013 
PHYSICS (please help)
Three masses are connected by a string. M1 = 1.0kg M2 = 2.0kg M3 = 3.0kg Mass one and two are on a table while mass three hangs off the edge of the table (there is a pulley). Find the tension in the string connecting m1 and m2. Assume the table is
asked by Lauren on November 14, 2014 
algebra
One number is 4 times another. If the sum of their reciprocals is 5/36 , find the two numbers. I am total lost on this problem x is a number 4x is another number these should = 5/36 so my equation would be x+4x=5/36 first x i am getting 1/36 so the second
asked by RAY on July 6, 2007 
Math
At West Middle School, 30% of students have a dog, 20% of students have a cat, 10% of students have another kind of pet, and 40% of students have no pets. a) Explain how you can use a randomnumber table to find the experimental probability that in a group
asked by Babatunde on February 3, 2014 
Math
A city planning engineer in Cleveland must check the 10 angles that make up the three intersections on the map of downtown. If any of the angles formed by the intersections of the streets is greater than 135°, different road signs have to be used due to a
asked by finna on May 22, 2018 
physics! please help!!
A particle rotates counterclockwise in a circle of radius 6.5 m with a constant angular speed of 7.4 rad/s. At t = 0, the particle has an x coordinate of 3.3 m and y > 0 . A) Determine the x coordinate of the particle at t = 0.716 s. Answer in units of m (
asked by michelle on December 6, 2012 
physics
A particle rotates counterclockwise in a circle of radius 6.5 m with a constant angular speed of 7.4 rad/s. At t = 0, the particle has an x coordinate of 3.3 m and y > 0 . A) Determine the x coordinate of the particle at t = 0.716 s. Answer in units of m (
asked by michelle on December 6, 2012 
Math
Matchstick Rings each pattern of square rings has been made with matchsticks which are all the same length. If the length of one side of a square ring is "m" matchsticks, try to find a formula, in terms of m, for each of the following: a) The outer
asked by Sandy on August 2, 2016 
Science
I recently got a project to do on a country other than the U.S. my teacher sucks at explaining things, so in literal terms the instructions say "reasearch a country other than the US, draw two maps: 1, a map that has all borders and rivers and 2, a Biome
asked by Mathieu on March 11, 2008 
ALGEBRA
After paying mom, you find that you have 13 bills. The number of ten dollar bills you have is twice the number of five dollar bills. The number of one dollar bills is two less than six times as many ten dollar bills. Find the number of each bill that you
asked by BOBBY on February 1, 2018 
Math
After paying mom, you find that you have 13 bills. The number of ten dollar bills you have is twice the number of five dollar bills. The number of one dollar bills is two less than six times as many ten dollar bills. Find the number of each bill that you
asked by Bobby on February 1, 2018 
physics Bob Pursley plz help
A satellite in a circular orbit around earth with a radius 1.019 times the mean radius of the earth is hit by an incoming meteorite. A large fragment m=60 kg is ejected in the backwards direction so that it is stationary with respect to the earth and falls
asked by Andy on November 30, 2009 
Public HEALTH
Please check if my answers are correct. Thanks 1. The purpose of environmental epidemiology studies is to prove that an environmental agent is the cause of a particular adverse effect. (Points: 3) True False 1=false 2. Which of the following is not an
asked by DANIELLE on March 16, 2008 
Calculus c
Let f be a twicedifferentiable function defined on the interval 1.2 less than or equal to x less than or equal to 3.2 with f(1)=2. The graph of f', the derivative of f, is shown on the right. The graph of f' crosses the xaxis at x=1 and x=3 and has a
asked by Madeline on December 19, 2012 
Math
A governor would like to find out how people in his state feel about state subsidized public art. How might a cluster sample be selected? I searched Google under the key words "cluster sampling" to get these possible sources:
asked by jenn on March 27, 2007 
Math
If an object which weighs 100 lbs on the Earth's surface were placed on a planet with 2 times the radius of the Earth and with 7 times the Earth's mass, how much would that object weigh? Enter answer to nearest 0.1 lbs. The term "void ratio" means the
asked by james bond on January 28, 2017 
Physics
A 20.0 kg block is connected to a 30.0 kg block by a string that passes over a light, frictionless pulley. The 30.0 kg block is connected to a spring that has negligible mass and a force constant of 200 N/m. The spring is unstretched when the 30.0 kg block
asked by mightymouse on March 3, 2009 
Electricity
for the circuit of figure, find the following quantities. i can't show you the figure because i can't copy it from a PDF. i will just type it to show you the figure for you guys. A single cell battery (which is 130 v) is connected to: R1: 3k ohm R2: 4k ohm
asked by anonymous on March 4, 2019 
College Math
2008 (2nd)Course24.1 We are to find a function f(x) such that its derivative is x^2+x1 and the graph of y=f(x) is tangent to the straight line y=x+1. First we find the coordinates of the point at which y=f(x) and y=x+1 are tangent.Since the slope of the
asked by Bayarbold on June 10, 2011 
Math
1) A ladder that is 15m long is leaning up against a building. The ladder makes an angle of 30 degrees with the ground. a) Find an exact expression for the height at which the top of the ladder contacts the wall of the building. 2) A tree is anchored by a
asked by Jessica on November 22, 2016 
Algebra
Richey Loaner inherited $2105.22 from a notsorich uncle. If Richie deposits his money into an account that pays 3% compounded continuously for t years, then the function A(t)=2105.22e^0.03t gives the account balance after t years. (a) Find Richie’s
asked by john on December 10, 2015 
Physics Please Help ASAP
Suppose the space shuttle is in orbit 390 km from the Earth's surface, and circles the Earth about once every 92.4 minutes. Find the centripetal acceleration of the space shuttle in its orbit. Express your answer in terms of g, the gravitational
asked by Sierra on November 26, 2012 
college
I am stuck on Appendix B in psy/230 I am to find the five major concepts or events in three history periods 1930 1950 I chose tit theory humanistic thoery cognitive theories learning theories and cognitiv/cosil leraning then 19501970 ther three factor
asked by maria on October 7, 2010 
math
1. solve the following inequality to find a range of values for x : 18 < x 7 < 6 2. solve the following inequality to find a range of values for x : 96 < 12x < 12
asked by gary on March 13, 2013 
Math
Number of goals : 0, 1,2,3,4,5 Number of matches : 7,x,5,3,1,4 (a) if the mean number is more than 2, find the largest possible value of x. (b) if the median number of goals is 2, find the largest possible value of x
asked by StuartKess on August 10, 2011 
Calculus
Given that y=x^(5/2) x^(1/2) . a) Find the coordinates where the tangent line is parallel to the line y4x4=0. b) Find the coordinates where the tangent line is perpendicular to the line 2y3x12=0.
asked by Alia on October 17, 2011 
Algebra: CHECK
1. Find the slope of the line containing the points (6, 4) and (1, 6). a. 1/3 b. 5/4 c. 2/5 d. 3 Answer: D 2. Find the slope of the line containing the points (8, 1) and (7, 9). a. 11/ 15 b. 5 c. 13/5 d. 8 Answer: b PLEASE ANSWSER
asked by Cheryl on May 20, 2011 
Algebra
Need to get these checked 1. Find the length of the following segment created by these pairs of endpoints: (0,1), (6,6) sqrt of 61= 7.8 2. Find the length of the following segment created by these pairs of endpoints: (3,6), (2,1) sqrt of 26= 5.1 3. Find
asked by mysterychicken on June 22, 2010 
Chemistry
If a sample of Co2(CO)8 is found to contain 6*10^2 mol of C atoms, how many grams of Co atoms are present? Molar Mass (g/mol) Co2(CO)8  341.95 Co atom  58.933 C atom  12.011 O atom  15.999 Avaogadro's No.: 6.022*10^23 Do I need to use the 6*10^2 mol
asked by Kyle on January 16, 2012 
math check please
1. Find the least common multiple of 4 and 11. Answer: 44 2 Divide. 91.41 divid 6 answer 3.235 3. If a gallon of water weighs 8.34 lbs. how much does 3.75 gal weigh? 8.34 x 3.75= 31.2750 4. find the circumference use 3.14 for pi diameter is 12 ft 3.14 x
asked by larry on January 6, 2007 
math(please check my answers)
1. Find the product in simplify. 4/9 of 15/8 A.5/6(I PICKED THIS) B.5/12 C.32/135 D.135/32 2. you are baking cookies for a cookout.you want to make 4 times the amount in the recipe.the recipe requires 2/3 cup of sugar.how much sugar do you need? A.2 2/3
asked by mathelp124576 on January 7, 2014 
math
A ball is thrown from the edge of a cliff with an initial velocity of 60·m/s upward. Answer the following questions using + (upward) and  (downward) to indicate the direction of the velocity. Ignore air resistance and assume the ball does not hit the
asked by jen on October 13, 2011 
math
The half life of the radio active substance is the time require the half the substance to decay. the mount A ( in grams) of 100 gram sample of a radio active substance remaining after t half lives by A equals to 100 (0.5) t. suppose the substance has a
asked by sai on January 17, 2018 
Geometry
1.) Identify the solid formed by the given net. a. cylinder b. triangular prism c. square pyramid d. rectangular prism 2.) Name the solid according to its description: The figure has two bases that are parallel congruent circles. a. cylinder b. rectangular
asked by Tristan on March 7, 2019 
physics
An ice sled powered by a rocket engine starts from rest on a large frozen lake and accelerates at +35 ft/s2. After some time t1, the rocket engine is shut down and the sled moves with constant velocity v for a time t2. Assume the total distance traveled by
asked by Kayla on January 21, 2010 
Physics
An ice sled powered by a rocket engine starts from rest on a large frozen lake and accelerates at +42 ft/s2. After some time t1, the rocket engine is shut down and the sled moves with constant velocity v for a time t2. Assume the total distance traveled by
asked by Candace on January 22, 2010 
Amoritizing Loans
"A woman borrows $6000 at 9% compounded monthly, which is to be amortized over 3 years in equal monthly payments. For tax purposes, she needs to known the amount of interest paid during each year of the loan. Find the interest paid during the first year,
asked by Norah on September 25, 2011 
Physics
You find it takes 230 N of horizontal force to move an unloaded pickup truck along a level road at a speed of 2.4 m/s. You then load up the pickup and pump up its tires so that its total weight increases by 42% while the coefficient of rolling friction
asked by Kyle on October 4, 2011 
general physics
COMPLETELY STUCK? The period of rotation of the Moon is about 27 days, 8 hrs. The mass of the Moon is 7.35 x 1022 kg, and the radius of the Moon is 1.74 x 106 m. I wish to place a synchronous (period of orbit = period of the Moon’s rotation) satellite in
asked by justin on July 1, 2013 
Physics
To find the velocity and acceleration vectors for uniform circular motion and to recognize that this acceleration is the centripetal acceleration. Suppose that a particle's position is given by the following expression: r(t) = Rcos(omega*t)i +
asked by Becky on November 13, 2009 
Physics
Consider a map oriented so that the x axis runs east–west (with east being the "positive" direction) and y runs north–south (with north "positive"). A person drives 14 km to the west, then turns and drives 44 km to the south. Find the magnitude and the
asked by Pat on September 11, 2014 
physics
1.A truck with a mass 5000 kg is heading East at 20 m/s. Meanwhile a car with a mass 2500 kg is heading North at 30 m/s. The two vehicles collide at an intersection, get stuck together, and the wreckage keeps moving to some direction.find the speed of the
asked by Sandhya on July 8, 2008 
physics
An equilateral triangle 10.0m on a side has a 1.00kg mass at one corner, a 2.00kg mass at another corner, and a 3.00kg mass at the third corner. Find the magnitude of the net force acting on the 1.00kg mass. Find the direction of the net force acting
asked by Phy help! on December 1, 2010 
maths
The ‘body mass index’ is used to find the body weight that is appropriate for a person’s height. It is calculated using the formula. I = W/H^2 (I = W divided by H squared) Where I is the body mass, W is the person’s weight in kg, and H is the
asked by sarah on May 10, 2007 
physics
A converging lens of focal length 7.740 cm is 19.7 cm to the left of a diverging lens of focal length 5.51 cm. A coin is placed 18.2 cm to the right of the diverging lens. a. Find the location of the coin's final image. b. Find the magnification of the
asked by marisol on January 28, 2012 
algebra
Im having a hard time figuring out this problem: Use the function, y=(x+1)^2 +2, to answer the following parts. Find the yintercept y=(0+1)^2 +2 y=(1)^2 +2 y=1+2 y=1 is my answer Find the xintercept 0=(x+1)^2 +2 0=((x^2)+(1^2))+2 0=x^2  1 + 2
asked by Mike on May 4, 2011 
Math/Statistics
I don't get how to do this...can anyone help? 1. In a large box are 20 pingpong balls—10 of them are red and numbered 1 through 10, and the other 10 of them are green and also numbered 1 through 10. Two balls are selected from the box without
asked by John on September 27, 2009 
Functions
f(x) = 1/(1−x) is given. From this we produce two new functions: g(x) = f(f(x)) and h(x) = f(g(x)). (a) For which values of x is f(x) undeﬁned? (b) Find a formula for g(x), and simplify it. (c) For which values of x is g(x) undeﬁned? (d) Find a
asked by Mr Homie on May 4, 2016 
Finances
Sheds R Us sells $600 sheds on a monthly payment plan over 2 years. a) If the interest rate is 1.5% per month, find the monthly payment. Answer = $ b) If instead the interest rate is 1.75% per month, find the monthly payment Answer = $ can anyone help me
asked by Mimi on April 1, 2015 
SCI 275
. Final Project: Mitigation Strategies and Solutions • Resource: Appendix A • Use the topic you chose for the Capstone Discussion Question or choose another topic you have learned about over the past 8 weeks. • Focus on a specific environmental
asked by Mary on April 2, 2011 
algebra
Archers need to use arrows that do not bend easily. Th e table shows how the weight of an arrow affects its spine, or the distance the center of the arrow bends when a certain constant weight is attached. Graph the data in the table to find a linear and a
asked by carrie on November 5, 2013 
geology
1. Given the map, the seismograms, the sp graph and the nomogram below, find the epicenter and the intensity of the earthquake. 2. Given the map below find the distance between Sao Paulo (Brazil) and Cape South Africa 10,000,000 years from now. The actual
asked by andre F on October 12, 2010 
English
Practice makes perfect. This proverb is very important not only for students but also for almost all people. When you practice hard, you can become perfect. You have to spend time reading books, memorizing useful expressions and writing sentences by
asked by rfvv on November 11, 2009 
Math: Calculus  Vectors
A plane flies on a bearing of 120 degrees at a constant speed of 550 km/h. If the velocity of the wind is 50 km/h on a bearing 220 degrees, what is the velocity of the plane with respect to the ground? Textbook Answer: 543.5 km/h at a bearing of 125.2
asked by Anonymous on February 20, 2008 
Math _ Vectors
A plane flies on a bearing of 120 degrees at a constant speed of 550 km/h. If the velocity of the wind is 50 km/h on a bearing 220 degrees, what is the velocity of the plane with respect to the ground? Textbook Answer: 543.5 km/h at a bearing of 125.2
asked by Anonymous on February 20, 2008 
physics
Seven measurements of the length of a table in centimeters are 184.7, 182.3, 182.7, 182.1, 182.2, 184.1, and 182.9. Find the best estimate for the length of the table. Be sure to include units! Answer: Seven measurements of the length of a table in
asked by ana22 on February 11, 2017 
Chemistry
I am so confused with my chemistry lab right now. We were given the following equations to work with: [Equation 1] 2 I^ + H2O2 + 2 H^+ > I2 + 2 H2O [Equation 9] 2S2O3^2 + I2 > 2I^ +S4O6^2 And During the Experiment we used the following for each
asked by Bev on September 20, 2014 
physics
A stuntman is being pulled along a rough road at a constant velocity by a cable attached to a moving truck. The cable is parallel to the ground. The mass of the stuntman is 90 kg. The coefficient of static friction between the road and him is 0.86. The
asked by A.S on February 21, 2018 
physics
In the system shown in the figure, suppose the block has a mass of 3.3 , the spring has a force constant of 490 , and the coefficient of kinetic friction between the block and the floor is 0.13. Find the work done on the block by the spring and by friction
asked by Patrick Jarvis on December 8, 2011 
statistics
your teacher has invented a fair dice game to play. your teacher will roll one fair eight sided die and you will roll a fair six sided die. each player rolls once and the winner is the person with the higher number. in case of a tie neither player wins. a.
asked by bri on January 6, 2013 
physics
Another question I'm having a hard time grasping; I followed a solution one of the tutors posted involving a similar question, but I have a feeling there is some mistake I am making. The question asks to find out what the distance should be from a source
asked by dawn on January 21, 2010 
precal
Find the value of sec theta for angle theta in standard position if the point at (–2, –4) lies on its terminal side. If 0° lessthanorequalto x lessthanorequalto 360°, solve the equation sec x = –2. The terminal side of an angle theta in standard
asked by hannah on November 17, 2010 
Statistics
1. The mean monthly mortgage paid by all home owners in a town is $2365 with a standard deviation of $340. a) Using Chebyshev’s theorem, find at least what percentage of all home owners in this town pay a monthly mortgage of (i) $1685 to $3045 & (ii)
asked by David on June 11, 2013 
easy trig
If sin(theta)=[sqrt(70)]/7 and theta is in Quadrant two, find the exact numerical value of tan theta without using a calculator. I got tan(theta)=[sqrt(294)]/42 Is that right? if sin(theta)=a where 0
asked by jen on January 8, 2009 
simple trig
If sin(theta)=[sqrt(70)]/7 and theta is in Quadrant two, find the exact numerical value of tan theta without using a calculator. I got tan(theta)=[sqrt(294)]/42 Is that right? if sin(theta)=a where 0
asked by jen on January 8, 2009 
Precalc
How do you know what quadrant these two are in? I'm having a little trouble determining. Can someone check if my answers are correct for all and help me fix it to make it right. 10.) The point is on the xaxis and 12 units to the left of the yaxis. My
asked by Josh on August 31, 2015 
Social Studies
Could you check these: Match each term with its definition by writing the correct letter on the blank. Here is the following word bank A. imperialism B. colony C. protectorate D. direct rule E. annex F. sepoys G. viceroy H. indigenous I. creoles J.
asked by Lisa on January 5, 2010 
Algebra
Consider the line =y+76x2 . Find the equation of the line that is parallel to this line and passes through the point , −7 4 . Find the equation of the line that is perpendicular to this line and passes through the point , −7 4 .
asked by Krista on April 10, 2017 
AP AB Calculus
Linear approximation: Consider the curve defined by 8x^2 + 5xy + y^3 = 149 a. find dy/dx b. write an equation for the tangent line to the curve at the point (4,1) c. There is a number k so that the point (4.2,k) is on the curve. Using the tangent line
asked by Katie G on December 17, 2014 
physics
An electron of kinetic energy 41 keV moves in a circular orbit perpendicular to a magnetic field of 0.330 T. (a) Compute the radius of the orbit. The answer to this part is 2.07mm. (b) Find the frequency of the motion. I'm not sure how to find the answer
asked by pat on August 5, 2007 
physics
A collision occurs between two pucks on an airhockey table. Puck A has a mass of 0.020 kg and is moving along the x axis with a velocity of +5.5 m/s. It makes a collision with puck B, which has a mass of 0.040 kg and is initially at rest. The collision is
asked by Miranda on January 13, 2013 
PreCalc
The height s of a ball, in feet, thrown with an initial velocity of 112 feet per second from an initial height of 20 feet is given as a function of time t (in seconds) by s(t)= 16t^2+112t+20. What is the maximum height of the ball? At what time does the
asked by MUFFY Question has been fixed on September 24, 2009 
Physics
For parts AC: /^Vo  2M  velocity into pg. >R )2m )  top view rear view A car of mass, 2m, is going around a turn at a constant radius, R, with velocity, v0. The turn is not banked – it is a flat surface. Assume the car and the road are on
asked by Greg on April 6, 2013 
Physics!
The two stars in a certain binary star system move in circular orbits. The first star, Alpha, has an orbital speed of 36 km/s. The second star, Beta, has an orbital speed of 12 km/s. The orbital period is 137 d. a) What is the mass of the star alpha? b)
asked by Allison on June 3, 2011 
Chemistry!
When 2.5g of NaOH were dissolved in 49.0g water in a calorimeter at 24.0 C, the temperature of the solution went up to 37.1 C. a. Is the solution reaction exothermic? Why? The temperature or the water went from 24.0 to 37.1 which is an increase. If the
asked by DrBob222 on December 4, 2006 
Algebra
Given line = 5x – 2y = 10 Find the slope for a line parallel to the given line Find the slope for a line perpendicular to the given line
asked by Jamie on June 17, 2009 
phhysics
picture in your mind a block that slides without friction down a ramp that is inclined at an angle (q) above the horizontal. Initially the block is at rest a distance (s) in meters (measured along the plane) from the bottom. Calculate the time (in seconds)
asked by Charlene on March 23, 2007 
Probability and Statistics
An oil prospector will drill a succession of holes in a given area to find a productive well. The probability that he is successful on a given trial is 0.2. a) What's the probability that that the third hole drilled is the first to yield a productive well?
asked by Katy on September 29, 2013 
trigonometry
I asked this question Solve the following right triangles: a. a=117 ft, b=16.35 ft b. B=8 degrees 29',and a=32.8 ft Reiny was kind enough to post this reply. "solving" a triangle involves finding all missing sides and angles, so in a) you found the
asked by Jad on January 16, 2011 
4th grade math
how do i convert these problem. thank you _____fl oz=4 gal _____fl oz=3 pt 3 mi=____ ft CAN SUMONE PLEZ HELP BE4 MY BEDTIME!!! http://www.pioneerthinking.com/measure.html You can look them up in here. Find out how many ounces (oz) in a pint, quart, gallon.
asked by nitta on February 1, 2007 
PHYSICS NEED HELP FAST
A 150KG STEEL ROD IN A BUILDING UNDER CONSTRUCTION SUPPORTS A LOAD OF 6050KG. DURING THE DSY THE RODS TEMP. INCREASES FROM 22C TO 47C CAUSING THE ROD TO THERMAALLY EXPAND AND RAISE THE LOAD 5.5mm. FIND THE EGERHU TRANSFER AS HEAT TO OR FROM THE ROD. THE
asked by ricki on March 2, 2011 
Math
Participants in a study of a new medication received either medication A or a placebo. Find P(placebo and improvement). You may find it helpful to make a tree diagram of the problem on a separate piece of paper. Of all those who participated in the study,
asked by Sarah Beth on May 18, 2016 
Physics help please
A gamma ray with 700KeV energy is ComptonScattered from an electron. Find the energy of the photon scattered at 110 degrees, the energy of the scattered electron, and the recoil angle of the electron. i found the photon energy using compton scatter
asked by Sarah on September 25, 2014
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