Solve the equation. x2 x2 + 31 180
WebNov 18, 2024 · Given, x 2 – y 2 = 0. ⇒ x 2 = y 2 ----(1). Also, (x – a) 2 + y 2 = 1 Substituting from (1), we get, ⇒ (x – a) 2 + x 2 = 1 ⇒ x 2 – 2ax + a 2 + x 2 = 1. ⇒ 2x 2 – 2ax + (a 2 – 1) = 0 ----(2). As we know, if a quadratic equation of form ax 2 + bx + c = 0 have only one positive solution, its Discriminant = b 2 – 4ac = 0. Hence, for the eq. (2), WebTranscribed Image Text: 1. For 50 students of a class the regression equation of marks in Statistics (X) on marks in Mathematics (Y) is 3Y - 5X + 180 = 0. The mean marks in Mathematics is 44 and variance of marks in Statistics is times of the variance of marks in Mathematics. Find the mean marks in Statistics and the coefficient of correlation ...
Solve the equation. x2 x2 + 31 180
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WebVery useful when im stuck in certain math problems it helps me solve them and understand lots of things easier. It does all the maths correctly. It really helps explain the problems. ... If the number of sides of a polygon is given, the area of the polygon can be calculated with the help of the formula, Area = [(L 2 n)/4 tan(180/n)]; where L is WebIn algebra, a quadratic equation (from Latin quadratus 'square') is any equation that can be rearranged in standard form as where x represents an unknown value, and a, b, and c …
WebDPP-31. Q.1 If (x + 1)2 is greater then 5x 1 and less than 7x 3 then find the integral value (s) of x. sin 8 x cos x sin 6 x cos 3x . Q.2 Find the value of the expression when x . sin 3x sin 4 x cos x cos 2 x 24. Q.3 If , are the roots of the quadratic equation (p2 + p + 1)x2 + (p – 1)x + p2 = 0 such that unity lies. WebFree graphing calculator instantly graphs your math problems.
WebAnswer to Solved Solve the equation. x?(x2 + 31) = 180. This problem has been solved! You'll get a detailed solution from a subject matter expert that helps you learn core … Webx2-3x-180=0 Two solutions were found : x = 15 x = -12 Step by step solution : Step 1 :Trying to factor by splitting the middle term 1.1 Factoring x2-3x-180 The first term is, x2 ... 2x2 …
Webx2+x2+1=145 Two solutions ... +bx+c=0 can be solved using the quadratic formula: \frac{-b±\sqrt{b^{2}-4ac}}{2a}. Substitute 1 for a, 31 for b, and -180 for c in the quadratic ... t=5 t= …
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