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Simplifying 25.12 = 2r * 3.14 Reorder the terms for easier multiplication: 25.12 = 2 * 3.14r Multiply 2 * 3.14 25.12 = 6.28r Solving 25.12 = 6.28r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-6.28r' to each side of the equation. 25.12 + -6.28r = 6.28r + -6.28r Combine like terms: 6.28r + -6.28r = 0.00 25.12 + -6.28r = 0.00 Add '-25.12' to each side of the equation. 25.12 + -25.12 + -6.28r = 0.00 + -25.12 Combine like terms: 25.12 + -25.12 = 0.00 0.00 + -6.28r = 0.00 + -25.12 -6.28r = 0.00 + -25.12 Combine like terms: 0.00 + -25.12 = -25.12 -6.28r = -25.12 Divide each side by '-6.28'. r = 4 Simplifying r = 4
| 28.26=3.14r^2 | | 4298.66=3.14r^2 | | 4298.66=2r*3.14 | | 4928.66=2r*3.14 | | 8+3x=33+x | | 4928.66=3.14r^2 | | 113.04=3.14r^2 | | 5x+23=8 | | 113.04=2r*3.14 | | 200=3x+5+15 | | 615.44=3.14r^2 | | 615.44=2r*3.14 | | 2y^2(3x^2)= | | 125.6=2r*3.14 | | 13.4w+12=5w-4 | | (17-9x+4x^2)-(7x-4x^2-28)= | | 12+3x+5y+4x-8y-89= | | 6358.5=3.14r^2 | | 4s^2+9s-28=0 | | 2x^2-12x+36=32 | | 6358.5=2r*3.14 | | 9x-6=-39 | | -x+11y-33=0 | | 144+(x^2)=144 | | 244.92=3.14r^2 | | x^2=2x-3 | | 200.96=3.14r^2 | | 19+[-3+(-4)]= | | 3x-(x+5)+x=180 | | 2826=3.14r^2 | | t=-3+5n | | 3(x-12)=6 |