University:
Missouri State University
Course:
MTH 103 | Intermediate Algebra
Academic year:

2019
Views:

199

Pages:

1
Author:

chondinny0r70

Algebra 2 Word Problems Chapter 11 1) It takes Jema 60 minutes to pick the apples from her backyard tree. Kevin can do it in 40 minutes. How long will it take them Jenna Kevin 160 140 X n if they pick together 7160 2 WD (x/50 + x/40 = 1) 120 2x + 3x = 120 5\mathcal{X} \in 120 24mst : 2) It takes MG 1 hour to roilk all of the cows, and it takes Ryan 1.5 long will it take to do the the job together? x - 24 MG160 Ryan 190 70 v_{0}/60 + v_{0}/q_{0} = 1 )180 3x + 2x =1x0 50-100 ¥236 36 minuto 3) Matt can load the truck in 40 minutes. If I help him, it takes us 15 minutes. How long will it take me alone? Matt me w_{A}/40 15 deg 15 40 (3/8 + 15/x = 1) * 8x 3x + 10 = yx \\ 12x=1x aligned 124. 4) One printing machine works twice as fast as another. When both machines are used, they can print a magazine in 3 hours. How many hours would each machine require to do this printing alone? 1^ y^ r partial^ mu^ j [ matrix 1 x &3&[ 3 x \\ 1 2x &3&*[ 3/(2x) \\ 1 2x &3*[ 3 2x matrix ] - 2/2 + 3/(2x) + 1 )^ 2x 6 + 3 = 2w 9 = 2x T 5) The sun of a number and its reciprocal is (13') / 6.7 * mat number. x + i/x = (i * 3)/6 ) 6x ^ 2 + 6 = 15x 6x ^ 2 - 13x + 6 = 0 (2x - 3)(3x - 2) = x = 3/2 * x < 2/3 The number is And the reip is 3/2 6) The minerator of a fraction is 1 more the denominator. If the numerator and the denominator are both increased by 2, the new fraction will be 1/4 less than the original fraction. Find the original fraction. [[x + 3], [x + 12]] = matrix x 4 &-1\\ x&-1\\ matrix ) 4x(x+2) Or, y = l New (x + 1)/x (chi + 1 + 2)/(chi + 2) hbar (- y + 1)/4 = x/9 (2H)/Q = boxed 3 2 4x(x + 3) = 4(x + 1)(x + 2) - x(x + 2) 4x ^ 2 + 12x = 4(x ^ 2 + 3x + 2) - x ^ 2 = 2x 4x ^ 2 + 12x = 4x ^ 2 + 12x + y ^ 2 - x ^ 2 - 2x