188,810 results, page 15

1. ### math

Integers of 81? 1,3,9,27,81 is this right please let me know

6. ### math

2x+3y=3 3y=5-2x 4x-y=3 4x=y=1 solve and explain please

y= u+3/u-1 u=x^1/3 find dy/dx at x=8

12. ### math

what is a scale? example please

15. ### math

11 - 8 ÷ (1/3 + 1/5) I need to know how to to this please show me. Thank you
16. ### math

7-2n+4n=n+3 an can you please provide steps

19. ### Math

Solve for y and x. x(y+2)=z Please Explain for me

7+l/5=-4 46-3t=-23 6+a/4=8 6h+24=0 -5b-23=9 15-3e=-6 15w-4=41 6s+3=-27 14o-17=39 n/-3-2=8
21. ### Math

[2a + 3b] [2a - 3b. May you please explain the steps if you can.

23. ### math question

What is 3/4 + 1/3? Please explain

1. 7r – 7 = 2r + 18 r = –5 r = 5 r = 2.2 r = 1.2 2. 2x + 12 = 18 – x x = 3 x = 10 x = 6 x = 2 3. 8x – 3 = 15x + 18 x = –3 x = 3 x = 2.1 x = .9 4. 6y – 6 = 4y + 16 y = 2.2 y = –2.2 y = 11 y = 5 5. 3(x – 4) = 5(x + 2) x = 11 x = –11 x = 1 x = –1

(2x/x^2-16)+(7/x-4)
26. ### math

help me on ratios please its homework

28. ### Math

What is the answer to 9:3::49:?

33. ### math

6-2(3-7)^2÷(-4)= can you explain how to solve it, please?

35. ### math

Ok ! Hi Ms. Sue can you explain to help me with this ! Please....

Write 1/25 as a percent

Sole this equation 5x+9=3x+41 what does x=

Dimensional Analysis How do you go from 50 kg/m to g/cm?
39. ### Math

7/12 + 7/12 please explain how to do this problem.
40. ### Math

Please show the solutions! 1.) x+y-2(2x-3y) 2.) x+y/2 - 3x-y/4 + x-5y/8 3.) 4x- {3x-[(x-3)-2(x-5)]} 4.) a+5b/2 + a-3b/3 - 5(a-b)/6 5.) 2x-5=3x-9 6.) 3x-(2x-7)=2x+3 7.) 7x+2/6 - x-4/3 = x+3/3 8.) 3x-2(x-3)+3(5-2x) 9.) x+1/3 - x-2/4 - x/6 10) 5(2x-5)=3(2x-11) 11) 0.5x+3=1.2x+5.8
41. ### math

please display graph of 2x=1 (if can be) thanks
42. ### functions in math

x y 2 -2 0 0 -2 2 -4 4 What is the rule fo this????? PLease help! :]
43. ### functions in math

x y 2 -2 0 0 -2 2 -4 4 What is the rule fo this????? PLease help! :]

46. ### math

help please!!!!! divide and simplify a/a-b b/a-b
47. ### Math

Please help. What is the difference 5x-2/4 x - x - 2/4x A.) 1 B.) X-1/X C.) 0 D.) 3/2 Thank You so much.
48. ### math help please thank you

1. Simplify these expression 5k + 3k = K+1+k+4=

what is the answer to: 3/5 + 1/3 + 1/6

54. ### Math

(3^2*4^3)^2-(4^4/4^2)^2 Please help explain how to do this. I am not sure how to do this ! Thank you

57. ### Math

Please I need help on my homework!!!! :( 6/5x=1
58. ### math

y+y^2+(y+y)^2= ? a. y^2 + 5y b. 2y^2 + y c. 3y^2 + y d. 5y^2 + y e. 4y^4 + y^2 + y please answer and explain
59. ### math

(x^2 + x) / x-3x (4) = ? Please answer and explain
60. ### math

Can you please help me figure out what is "M"? 3 = 2M - + 9 3

65. ### Math

Can you simplify a4 b + a2b3 please thank you.

68. ### math

i need some help please 2x^2 +5-3
69. ### math

What is the product of (m^2-2m+7)(3m+6) please solve how u did it ??

72. ### math

5x-3y=3 2x-4y=-10 3x+y=(?) a. -30 b. -13 c. -7 d. 7 e. 13 please answer and explain

75. ### Math Algebra

Solve the equation x^2/5 + x^1/5 -6=0

Find the derivative of (2^x-e^x)/(2^x+e^x)
78. ### MATH

what is the integration of x . e ^(-x) ? Can you please explain it :) Thanks
79. ### math

please find it's factors 2x^3+5x^2+4x+1 thanks

81. ### Math

Please show me how to solve for: -x+2y=6

IF x = 3 How much is 2(6x) + 2 (W)

Find ( f + g)(x). f (x) = 3x^2 – 2 g(x) = 2x^2 – x – 2 a. ( f + g)(x) = x^4 + x b. ( f + g)(x) = 5x^4 – x – 4 c. ( f + g)(x) = x^2 + x d. ( f + g)(x) = 5x^2 – x – 4 e. ( f + g)(x) = –5x^2 + x + 4
84. ### math

Solve the equation. x - 9 = -6x + 5 A. 14 B. 7 C. 2 D. 21 please help :(
85. ### Math

A={w|w<1} B={w|w >or= 6} Please explain this to me I am lost.

Is this a function? Why or why not? x y 0 1 1 2 2 3 3 3

-2;p(x)=3x^3+5x-6 is -2 a zero of the polynomial(x) ?

90. ### Math

Which is a table of values for y=x-6 1. X. Y -5. 1 -8. -14 -7. -13 2. X. Y -5. -11 -8 -2 -7 -13 3. X. Y -5. -11 -8. -14 -7. -13 4. X. Y -5. -1 -8. -2 -7. -1 Please help
91. ### math

Please check 5n-30=-20 N=2 5=h/4+9 H=16 -m/3-2=10 M=-36 M/8+5.6=9.85 M=34 36-4r=24 R=3 14==-16-10n N=3 -4x+7=-9 X=4 3y-6=20 Y=8 2/3 6n+16=36 N=3 1/3
92. ### math

Please check -37=3x+11-7x -48=11x X=2 2/7 -m/3-2=10 -m/3=6/-3 M=-2

95. ### Math

What is 13 3/5 - 6 1/4 =? Show me the work please.
96. ### Math

2/9 + 2/3= Please show the work
97. ### Math

Can you please explain how to do this? 8=4w divided by 3
98. ### math

please solve x+y = 1 and y-x=1 by graphing
99. ### Math 222

Please I need help with this (a 1/2 b )1/2 (ab 1/2)
100. ### math

Find the degree of-5w^3-4w^2+7w+16 A.-5 B.16 C.14 D.3 I don't know how to do this you please help me? Thank you