WebHow old is she now? a.6 b.9 c.7 d.10 3.One number is greater than thrice the number by 2. If 4 times the smaller number exceeds the greater by 5, find the numbers a.23 and 7 b.21 and 6 c.20 and 5 d.22 and 8 4.The sum of 5 times a number and 8 is 48. Web29 de set. de 2024 · Best answer Given pair of linear equations is 0.4x – 1.5y = 6.5 … (i) And 0.3x + 0.2y = 0.9 … (ii) On multiplying Eq. (i) by 3 and Eq. (ii) by 4 to make the coefficients of x equal, we get the equation as 1.2x – 4.5y = 19.5 … (iii) 1.2x + 0.8y = 3.6 … (iv) On subtracting Eq. (iii) from Eq. (iv), we get 1.2x + 0.8y – 1.2x + 4.5y = 3.6 – 19.5
solve the following system of equations by elimination method 7x-2y=3 ...
Web3x+7y=9 Geometric figure: Straight Line Slope = -0.857/2.000 = -0.429 x-intercept = 9/3 = 3 y-intercept = 9/7 = 1.28571 Rearrange: Rearrange the equation by subtracting what is … WebThe degree of the polynomial 3x3y ... 2x + 1 is Question 5 : On subtracting 7x + 5y – 3 from 5y – 3x – 9, we get Question 6 : The algebraic expression for the statement ‘Thrice square of a number x subtracted from five times the sum of y and 2’ is Question 7 : ... Get Started Today 622e2d09d365893b3126ae97. chucky highlighter
Linear Equations in two variables-NCERT Solutions
WebTable of Contents Title Page Number Introduction ----- 1 Lesson 10: Principal Roots and Irrational Numbers - 2 Lesson 2: Absolute Value of a Number ----- 2 Lesson 2: Subsets of Real Numbers ----- 3 Lesson 3: More Problems Involving Real Numbers - 4 Lesson 4: History of Measurement ----- 5 Lesson 5: Measure of Length ----- 6 Lesson 6: Measure of … Web19 de jun. de 2024 · The expression 7x – 5 (x 2 + y 2) is a (a) monomial (b) binomial (c) trinomial (d) none of these Solution: 7x – 5 (x 2 + y 2) = 7x – 5x 2 – 5y 2 It is trinomial. (c) Question 5. The coefficient of 5a 2 in -5a 3 bc is (a) -bc (b) a 2 bc (c) -a 2 bc (d) -abc Solution: Co-efficient of 5a 2 in -5a 3 bc is -abc (d) Question 6. Web5y+3>7y+13 One solution was found : y < -5 Rearrange: Rearrange the equation by subtracting what is to the right of the greater than sign from both sides of the inequality : ... More Items Examples Quadratic equation x2 − 4x − 5 = 0 Trigonometry 4sinθ cosθ = 2sinθ Linear equation y = 3x + 4 Arithmetic 699 ∗533 Matrix [ 2 5 3 4][ 2 −1 0 1 3 5] chucky hepburn wisconsin basketball