188,810 results, page 17

2. ### math

3/x + 5x/12 = 9/4.... i need to solve for x but i don't know what im doing.. can someone help me please
3. ### Math

I need help changing 67.4 dm _________mm. Please and thanks!
4. ### math

please check. thanks. (8.3 x 10^-15) (7.7 x 10^4) = 6.391 x 10^-10 Is that right?
5. ### math

Please check problem 3y - 2 > 12 - 5 y answer y > 7/4

7. ### math

Please check problem 4 x + 7 < 8y - 1 answer x > 2
8. ### math

please check this problem 2x + 5 < 7 answer x < 1
9. ### math

54-6 celcius 2+6=? please explain if possible

15. ### math

Help subtract 7 4/5 from 18 6/15 Can someone show me how to do this please

Solve w= (va)/(r^2+a^2) for a. is the answer a= sqrt[w(r^2+v^2)/v]?
17. ### math need help please

What percent of 140 is 21
18. ### Math

5 5^5=25 25-1=24 24/4=6 6-5=1 =1 Did I solve this right,Please help I just don't get it
19. ### math

please explain to me how to dived this 57/550

21. ### math

How do you change fractions to percents HELP PLEASE...

23. ### math

please!!! i forget!! how do u do rnage? How do u do mode?!?!

26. ### math

Please help me if I am wrong F(x) = -9x – 10 What is the slope (9) The y intercept is (0, 10)
27. ### Math

What percent of 60 is 54? please explain how to do this, i forgot

30. ### math

If r=t/2 and t=w/2, what is (r+w) in terms of t? (A)t (B)t^2 (C)3t/2 (D)5t/2 (e)5t/4 Please show work. Thanks.
31. ### math

Find the root of each question 1. 1/3 (2w-6)= -10 2. 3a-7 = 4a + 5 4 3 3. 3k - k+3 = 8 - k+2 2 3 4 PLEASE HELP !!!

33. ### Math

h t t p : / / w w w . j i s k h a . c o m / d i s p l a y . c g i ? i d = 1 2 6 3 1 6 6 6 2 2 you can post your response here please

36. ### math i need help please

5m2-29if m=2 a)-9 b)+9 c)54 d)-54
37. ### math i need help please

solve the equation x+13=-8 a.21 b.-21 c.5 d.-5
38. ### math i need help please

solve equation w/9=9 A)1 b)-1 c)-81 d)81
39. ### math i need help please

solve the equation b/2-15=16 a.62 b.15 c.1/2 d.2
40. ### math

matrices: A=[-5 4 -6 B=[-2 4 -5 9 -8 7 8 9 3 4 -3 9] 5 -2 2] AB=? please show the work if you can.
41. ### math

matrices: A=[-5 4 -6 9 -8 7 4 -3 9] B=[-2 4 -5 8 9 3 5 -2 2] AB=? please show work if you can.

43. ### math

factorise 1. 3a^2 - 2a - 8 2. 3x^2 + 31 + 10 3. 64y^2 - 49 please help thankyou

I don't understand how you do these 2 problems. (p-7)(p+8) & (-7+p)(8+p)

46. ### Math

Evaluate can you please show me the steps. -3/4-3/16

49. ### math

square root of x+4-2square x-1=-1 could help me please.
50. ### MATH

HOW TO SOLVE THIS? ã8(ã10-1) PLEASE IT IS URGENT !!!!
51. ### math absolute values

please solve this: {3z} for z=62

53. ### Math

is the solution to 2x^2-4x+5... 1(+/-)((sqrt6)/2)i ??
55. ### MATH!

4 SQRT(2x-3) < 12 please show how you find this! thanks!

Simplify the expression: (x^9y^-4)^6 x^54/y^24 Is this correct?
57. ### math

can someone please help me with this.. I do not get how to do it 3 sqrt 729 x^5/y^3
58. ### Math

Please help! What is the solution of 5 - 2x is greater than -3 OR -3x + 9 is less than -6 Thank you

62. ### math

5-x-x=-1 will someone please tell me how do do this problem?

64. ### Math

How would I simplify this? Explain please!!! 7(2x+2)-9(-1+6x)

66. ### math

please explain how 24 divided by 2.5 equals 9.6

68. ### math

lim x->1 [(sqrt10-x)-3]/[1-(1/x)] Help please, Thankyou
69. ### math

find x 4x-5/1-5x = x+1/x+7 please can you show me the method thanks

Show that (f X g)(x) = (g X f)(x) = x for f(x)= 3x-5 and g(x)= x+5 / 3 I have know idea how to do this.
71. ### math

need help please. thanks evaluate and simplify. (8x/y) for x=10 and y=2

73. ### math

let A=(3 x) (-2 -3) if A=A^-1, what is x? please show work so i can understand

Convert to decimal notation. 8.23 * 10^7

log 1/x + 3log2=log32
77. ### math

please tell me I did this problem right..4z=4/5 4/1 x 5/4=20/4 = 5

82. ### Math

what is the GCF and the LCM fo 10-75-55 could you please explain to me how to do this. Thank you

84. ### math

how do you change %18.35 to a fraction! help please! thnx! (:
85. ### math

4|3-2x6|-3^2 can you tell me how to solve? please
86. ### math

Stuck on solving this inequality, help please. 3X le 15 and 2x gt -6
87. ### math

14/25 please convert to a decimal and percent
88. ### math

0.06 please convert to a fraction and percent

90. ### math

what is 5 3/4 divided by 1/3? please show work.

If (e^x)^-2 X (e^x)^2 X e^x = 1/e^2 find x? I have no idea how to do this

93. ### Math

(c+24)sin118= csin24 can you please solve for c

Find: the integral (x^2/4 - 4) dx I know that the answer is x^3/12 -4 +c but I do not know how to get this
95. ### Math

How do I solve a problem like this: p^3m^2/7 + p^2m^3/21 - p^4m/14 Can you please help?
96. ### math

Can someone please solve this? x+5=12 x7=35 3=5x(8-3) 12-4+2(3x3)