mariajim1957 mariajim1957 26-05-2022 Mathematics contestada 4 Answer: xy is a a. monomial b. binomial c. trinomial 5 Answer: k2 is a a. monomial b. binomial c. trinomial 6 Answer: x2y + xy2 + -5 is a a. monomial b. binomial c. trinomial 7 Answer: n2 + 4n + 4 is a a. monomial b. binomial c. trinomial 8 Answer: (2x +3) + (4x + 8) = _____ 9 Answer: (5x2 + 9) + (7x2 + -8) = _____ 10 Answer: (5s + t) + (-3s + 4t) = _____ 11 Answer: (3n2 + 4n) + (n2 + n) = _____ 12 Answer: (2a + 3b + c) + (a + 3b + -4c) = _____ 13 Answer: (7t2 + 3t + -9) + (2t2 + 6) = _____ 14 Answer: (5a + 7b) - (3a + 2b) = _____ 15 Answer: (5c2 + 7c) - (2c2 + 6c) = _____ 16 Answer: (6r + 3s) - (4r + 2s) = _____ 17 Answer: (7xy + 8y) - (3xy + 2y) = _____ 18 Answer: (8a + 2b + 5c) - (2a + b + c) = _____ 19 Answer: (9r2 + 3r + 8) - (2r2 + 7) = _____ 20 Answer: 2(n + 7) = _____ 21 Answer: 5(3j + -6) = _____ 22 Answer: 6n(4n + 6) = _____ 23 Answer: 5a(3a + -2) = _____ 24 Answer: 8(2w2 + w + -9) = _____ 25 Answer: -4(4d2 + 3d + 2) = _____ 26 Answer: 18r + 6 ——————— = _____ 3 27 Answer: -15w2 + 10w ——————————— = _____ 5w 28 Answer: 2t2 + 8t ———————— = _____ 2t 29 Answer: 14z2 + 6z + 8 ————————————— = _____ 2 30 Answer: 18b3 + 12b2 + 6b ———————————————— = _____ 6b 31 Answer: 21x2 + 14xy + -35x —————————————————— = _____ -7x 32 Answer: Solve: b + 2(b + 1) = 5 b = _____ 33 Answer: Solve: 3r + 5(r - 1) = 27 r = _____ 34 Answer: Solve: 2y + 2(y + 1) = -6 y = _____ 35 Answer: Solve: 2n + 2(n + 7) + 1 = 39 n = _____ 36 Answer: Solve: -3t + 2(t - 2) + 6 = -3 t = _____ 37 Answer: Solve: -6x + 3(x + 9) - 12 = 27 x = _____ 38 Answer: Solve: 3k + 4(k - 3) + 10 = -58 k = _____ 39 Answer: Solve: -4n + 2(n - 6) + 8 = 10 n = _____ 40 Answer: Solve: 2j + 4(j - 3) - 4 = -16 j = _____ 41 Answer: Solve: 2(x + 3) + 4(x - 2) = -32 x = _____ 42 Answer: Solve: 5(d + 2) + 2(d + 7) = 3 d = _____ 43 Answer: Solve: 6(w + 3) + 2(w - 4) + 10 = -4 w = _____ 44 Answer: Solve: -4z + 2(z + 1) + 3(z - 2) = 7 z = _____ 45 Answer: Solve: 3t + 2(t + 1) + 3(t - 1) = 15 t = _____ 46 Answer: Solve: -6a + 2(a - 3) + 3(a - 5) - 11 = -32 a = _____ 47 Answer: Select the equation that solves this problem: Eight coins (dimes and nickels) are worth 60 cents. How many dimes are there? a. 10d + 25(11 - d) = 170 b. 10d + 25(8 - d) = 170 c. 10d + 5(8 - d) = 60 d. 10d + 5(11 - d) = 60 48 Answer: Solve: Eight coins (dimes and nickels) are worth 60 cents. How many dimes are there? _____ 49 Answer: Select the equation that solves this problem: Eight coins (dimes and quarters) are worth 170 cents. How many dimes are there? a. 10d + 25(11 - d) = 170 b. 10d + 25(8 - d) = 170 c. 10d + 5(8 - d) = 60 d. 10d + 5(11 - d) = 60 50 Answer: Solve: Eight coins (dimes and quarters) are worth 170 cents. How many dimes are there? _____ 51 Answer: Select the equation that solves this problem: Eleven coins (dimes and nickels) are worth 60 cents. How many dimes are there? a. 10d + 25(11 - d) = 170 b. 10d + 25(8 - d) = 170 c. 10d + 5(8 - d) = 60 d. 10d + 5(11 - d) = 60 52 Answer: Solve: Eleven coins (dimes and nickels) are worth 60 cents. How many dimes are there? _____ 53 Answer: Select the equation that solves this problem: Eleven coins (dimes and quarters) are worth 170 cents. How many dimes are there? a. 10d + 25(11 - d) = 170 b. 10d + 25(8 - d) = 170 c. 10d + 5(8 - d) = 60 d. 10d + 5(11 - d) = 60 54 Answer: Solve: Eleven coins (dimes and quarters) are worth 170 cents. How many dimes are there? _____