# Critical Thinking/Math

145,379 results, page 92

1. ### math

4x-y=7 5x+y=20

x^2+x+3=0

-8-5

10 +(-5)=P
5. ### math

14!/19*18*17*16*15
6. ### math

[(14+7) / 3] + 10 x (6-3)
7. ### math

3x-(x+5)/2=x+8 what is the x?
8. ### Math

V=(1/3)*3.14*[(5/2)^2]*7

6=4x+3
10. ### math

1 - 5t/4 >_ 6
11. ### math

3.2b-9<1.4+0.6b
12. ### Math

a + 7b = 7 a + 2b = -3
13. ### Math

12+(-20) -12+20 15-(-11) -32+(-11)

3y-12=21
15. ### math

there are 23 of? in 2.3
16. ### math

(5+10^5 12-9)
17. ### Math

(15 - 2x)0, for x = -3
18. ### Math

(2/3)^-2 + (-4)^-2
19. ### math

y-7-1/3=y-7, 9 2 3

-5/7x-1=3

2x+3y=9
22. ### Math

3x-4y =9 -3x+4y=12
23. ### math

8/9 x + 2/3 x = 1/9 x + 45

11+2*(6+11)

d=rt for r
26. ### math

-3x+5y=1 9x-3y=5
27. ### Math

3x-4y=9 -3x+4y=12

4y+5x=8
29. ### Math

a-b^2+4b+5 (2,) , ( ,2)

y=2x-3

17 -5 5/8
32. ### Math

3(-4x + 5y) -3 (2= 4y)=
33. ### math

5x-y=22 x+9y=32
34. ### math

2/3w+2=5/3w w=
35. ### math

-29 = -4 + 5u
36. ### Math

3x-2y=0 x-y=-1

-3 1/2=7/4a
38. ### math

(2x-3y)(2y+3x)
39. ### Math

u = (3, -4) v = (-5, -2) u - v = ?
40. ### Math

u = (10, 5) -3u = ?
41. ### Math

5x/(x-4) = x + 20/(x-4)
42. ### Math

(b+27)/(b^(2)-1) - 1/(b+1) = (b-2)/(b-1)
43. ### Math

12/x + 3/(x-3) = x/(x-3) - 1/11
44. ### Math

6/(a^(2)+a-6) = 4/(a^(2)-9)

2x(z-1)+8x

y = x2 + 6x
47. ### math

1/xy + 3/xy - 2/(x+y)

what is math
49. ### Math

If n!/2=(n-2)! then n=?
50. ### Math

If a=3^2, b=1/a and c=b^4 then a) a>b>c b) a<b<c c) a<c<b d) c<a<b e) b<c<a
51. ### Math

41. (x-4)(x+4)
52. ### Math

42. 3(2x+1)-4x=-7
53. ### Math

If x<-x, then a)x>0 b)x<0 c)x=0 d)1/x>0 e)x^2<0
54. ### Math

If x-2y-z=2,x-y+2z=9 and 2x+y+z=3,then z=?

Is it 2:57

-2x-7+3x=10
57. ### math

If 6d-3d+2d=35 what does d=
58. ### math

3(3x-2)^1/3-(x-1)(3x-2)^-2/3/(3x-2)^2/3
59. ### math

12ã7-1-ã7-5
60. ### Math

1. x/4 + 11 = -25 2. x/4 - 5 = 13 3. x/4 = 13
61. ### math

what is [x]=x
62. ### Math

1/x+1-1/+2=1/6

4/x = 60
64. ### math

What is 75% of 12
65. ### math

how to do 2 1/4 + 2/6
66. ### MATH

x/2 + 11 = -25 x/4 - 5 + 13
67. ### Math

1) x-4-9 2) 15-y-7 3) 31-35-y
68. ### math

x^3-4x^2+5x-2

7/11~3/5=
70. ### Math

If 2(b + 1) < -6, then a. b -4 b. b > -4 c. b < -7/2 d. b > -7/2
71. ### Math

If 2(b + 1) < -6, then a. b < -4 b. b > -4 c. b < -7/2 d. b > -7/2
72. ### math

how many t in a kg?
73. ### math

f(17)=12 f(7)=6 f(x)=?
74. ### math

(4x^4+3x^3-2x+1) + (5-2x^2+5x^3-x^4) - (6x^2x-3)

(x)+6=18

5a-4=6a+12
77. ### math

(x+6)-(2x+7)-3x=-9
78. ### math

6x+5y =31 ; x=-4
79. ### Math

a/(a+2)-1 = -(3a+2)/(a^2+4a+4)
80. ### math

2x/(x-1)= 5/(x-3)
81. ### math

1/(5x+20)-1/(x^2-16)=3/(x-4)
82. ### math

2x/(x-1)= 5/(x-3)

5t=t-7
84. ### math

f(x)=x+2/x-5, g(x) = (6X-12)/(x^2 + 25) what is (f+g)(x)?
85. ### math

f(x)=x+2/x-5, g(x) = (6X-12)/(x^2 + 25) what is (f+g)(x)?
86. ### math

f(x)=x+2/x-5, g(x) = (6X-12)/(x^2 + 25) what is (f+g)(x)?
87. ### math

f(x)=x+2/x-5, g(x) = (6X-12)/(x^2 + 25) what is (f+g)(x)?

2x+3x

3x/9=12/17

18(-18)

3k(-xy+-5)

2t-4; t=6
93. ### math

15(5x -4)2^(1) -10(5x - 4)

3/2y=16/y+2
95. ### math

5t-3/-2=t+3/2
96. ### math

what is 7 4/9 - 5 8/9
97. ### Math

-8(t-3)-(t+1)=6
98. ### math

what is 2 1/9 and 1 10/11 ???

6(-5n+7)

-6(a+8)