Question:An architect designs two houses that are shaped and positioned like a part of the branches of the hyperbola whose equation is 625y^2 - 400x^2=250‚000‚ where x and y are in yards. How far apart are the houses at their closeset point? Answers:625y^2 - 400x^2=250‚000 y^2 / 20^2 - x^2 / 25^2 = 1 The closest two points on separate branches are the vertices‚ and their separation is 2 * 20 = 40yd. I find the question a little confusing‚ though. Question:LORAN (long distance radio navigation)
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Studying artifacts is like looking through a keyhole into the past. Although artifacts themselves cannot speak‚ a lot can be learned from studying primary documents and artifacts. For thousands of years‚ historians have been using primary documents and artifacts to make inferences about the people‚ places‚ and events that surrounded the time period. In our study of the Rixford Cemetry‚ we were able to use primary documents and artifacts to make analyses about the surrounding area. There are many
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Question One a) “I paid $1500 for this economics course. Therefore‚ I am going to attend the lectures even if they are useless and boring.” This is not an example of sound economic thinking. The person has stated the lectures are “useless and boring”‚ implying that there are much more “useful” and “interesting” activities which could be foregone instead of attending the lectures. In other words‚ the speaker is not achieving maximum utility by attending the lectures. In this situation‚ the economic
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Performance Task in GEOMETRY * Computation of the surface area‚ amount and type of needed material and the volume of the package. Volume V= L x H x W = (23 cm) (4 cm) (12cm) = (276) (4) = 1 104 cm Area A= L x W = (23cm) (12cm) = 276cm Surface Area A= 2(Lh) + 2(Lw) + 2(Wh) / 2( lh + lw + wh) = 2(23*4) + 2(23*12) + 2(12*4) = 2(92) + 2(276) + 2(48)
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RELATED KEYWORDS: unemployment|silver|Gold|Federal Reserve|bullion market|bullion Gold down by Rs 40 on poor demand Email this article Print this article Share on Reditt Newsvine Google Bookmarks Live Bookmarks Technorati Yahoo Bookmarks Blogmarks Del.icio.us ApnaCircle Tweet The author has posted comments on this articlePTI | Oct 6‚ 2012‚ 03.20PM IST NEW DELHI: Gold continued it downward spiral for the fourth straight day in the bullion market here on Saturday by losing Rs 40 to
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C OORDINATE GEOMETRY COORDINATE GEOMETRY 155 7 7.1 Introduction In Class IX‚ you have studied that to locate the position of a point on a plane‚ we require a pair of coordinate axes. The distance of a point from the y-axis is called its x-coordinate‚ or abscissa. The distance of a point from the x-axis is called its y-coordinate‚ or ordinate. The coordinates of a point on the x-axis are of the form (x‚ 0)‚ and of a point on the y-axis are of the form (0‚ y). Here is a play for you. Draw a set
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is not a problem! Geometry (Ancient Greek: γεωμετρία; geo- "earth"‚ -metri "measurement") "Earth-measuring" is a branch of mathematics concerned with questions of shape‚ size‚ relative position of figures‚ and the properties of space. Geometry is one of the oldest mathematical sciences. Initially a body of practical knowledge concerning lengths‚ areas‚ and volumes‚ in the 3rd century BC geometry was put into an axiomatic form by Euclid‚ whose treatment—Euclidean geometry—set a standard for many
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Coordinate geometry The Basics: Find the distance between two points using Pythagoras’ theorem. The midpoint is the average (mean) of the coordinates. The gradient = Parallel lines have the same gradient. The gradients of perpendicular lines have a product of -1. Straight Lines: Equation of a straight line is y = mx + c‚ where m = gradient‚ c = y-intercept. The equation of a line‚ if we know one point and the gradient is found using: (y - y1) = m(x - x1) (If given two points‚ find the
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Wii Sports Versus Real Life Sports Real life sports and Wii Sports the video game have many similarities and differences to be considered when letting children choose which one they want to play. When children are not able to play real life sports because of weather or illnesses‚ Wii Sports can be a good‚ temporary alternative. Encouraging children to get exercise any way possible will make them healthier. It is also a must for children to have one-on-one interaction with other people. There
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Arzumanov: Conceptual Geometry Syllabus Class Website: http://new.schoolnotes.com/sarzu Welcome to Conceptual Geometry! This course will use the textbook Geometry: Concepts and Applications. Conceptual Geometry builds upon the concepts presented in Algebra 1. New content is introduced as an extension of material previously mastered in the abovementioned course. A primary goal of Conceptual Geometry is the use of mathematical ideas in solving problems ranging from everyday applications to the real world and sciences
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