# Math(Please help)

181,141 results, page 16

### Math Help Please

What are the ratios for sin A and cos A? The diagram is not drawn to scale. Triangle Description- AB = 29 AC = 20 BC - 21 A. sin A = 20/29, cos A = 21/29 B. sin A = 21/29, cos A = 20/21 C. sin A = 21/29, cos A = 20/29****? D. sin A = 21/20, cos A = 20/21 Please help and explain!

### Math HELP!!!

x2 + x + -3.75 = 0 Please... I'm horrible at algebra. x=7.5 and x=-8.5 THANK YOU SO MUCH

### Math(Please Help!)

6-y/y^2-2y-24=? *I don't get it at all!!! Answered in another post.

### math...help please!

so if 0.98 = 98% then what % would 9.8 be? 980 percent

### math

how do you find the vaule of x please help thanks :) example 9(2x-)18=36

### Math

I do not understand how to solve this...please help me. 3-4x=10x+10

### math

Please explain how to do this problem: 5(9-3)+5x4-6=

### math please

what is the least number that is divisible by 2,3,4,5,,6,9 and 10?

### math please help

Solve the system by addition. 2x-4y=7 4x+2y-1

### math please help

Solve the system by substitution. x – 5y = 2 2x + 3y = 17

### math!

WHAT IS THE ANSWER TO A LINE THROUGH (-1,1) AND (2,3) please help! C:

### Math

3,17392% of 3,123. Please help me on this problem.

### math

49 divided by n = 7 ( please show work thank you)

### Math

how do you find the radius of a circle? Please help

### math

can somebody please solve these inequalitys 3w>30 4n+8<24 6y+1<19 2r-8>6 b-5>-2 2y+1<-5 4x-6>-10 Thanks

### Math

150 is 75% what of number? I'm not understanding this please help.

### 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

### Math

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

### math

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

### math

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

### Math

Please check this problem -5x > 30 answer x < -6

### math

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

### math

please check this problem 2x + 5 < 7 answer x < 1

### math

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

### math

two questions that i cannnnnnot get!: 2/3(t)-(2-3t)<5t+2(1-t) and; 4[5x-(3x-7)]<2(4x-5) please help!

### math

5+2x=13 i don't really understand how to get the answer. could u please help?

### math

answer this simultaneous equation please. 3a-b=9 2a+2b=14

### Math

please answer this simultaneous equation. 3a-b=9 2a+2b=14

### math

can someone please help me with my question below

### math

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

### Math Help please

Solve w= (va)/(r^2+a^2) for a. is the answer a= sqrt[w(r^2+v^2)/v]?

### math need help please

What percent of 140 is 21

### 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

### math

please explain to me how to dived this 57/550

### Math

Please help me with this question: What is the supplement of 125degrees?

### math

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

### Math

Hi, Name the property illustrated: 1. If 3p=11, then 11=3p Please Help!! Thank You!!

### math

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

### math-algebra

linear equation x+y=-2 please help!!!!

### Math

Please help with the following: Factor completely 3x^2-5x+1

### math

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

### Math

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

### math

9 divided by 6/7 .. i have no idea how you do this so please help!

### Math

-28= - 14n i am really confused on how to do this... Please help!

### 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.

### 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 !!!

### math

90,050mL=____L please help i forgot how to do

### 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

### 6th Grade Math

2/13 divided by 5/26 = Please HELP me. Thanks

### math

im having trouble with ratios...please help!

### math i need help please

5m2-29if m=2 a)-9 b)+9 c)54 d)-54

### math i need help please

solve the equation x+13=-8 a.21 b.-21 c.5 d.-5

### math i need help please

solve equation w/9=9 A)1 b)-1 c)-81 d)81

### math i need help please

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

### 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.

### 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.

### math

_ _ _ * _ = 1101 please help it is due tomrrow

### math

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

### math, answer please!

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

### math

I'm having trouble with 2 problems. Please help. Thanks.

### Math

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

### math

(-2x^4 ) ^(-3) I cant figure this problem out please help!!!!

### Math

solve by the substitution method 7x+4y=14, x=47-7y please help

### math

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

### MATH

HOW TO SOLVE THIS? ã8(ã10-1) PLEASE IT IS URGENT !!!!

### math absolute values

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

### math

I cannot unscramble this word please help. REAOPRDDRIE

### Math

how do you simplify (8-(ã-36)) / 4 and express it in a+bi format? Please help!

### math-please check

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

### MATH!

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

### Math(Please help)

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

### math

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

### Math

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

### Math

Please help me, I do not understand how to factor out 2x^2+4x-2x^3.

### Math

Please help me, I do not understand how to factor out 2x^2+4x-2x^3.

### math

what is the largest area for my poach.... please help me

### math

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

### 6th grade Math

Please help me solve. (3y+2y)-1y+7=51

### Math

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

### Math

make 10 by adding 8+5 can someone please help me with this?

### math

please explain how 24 divided by 2.5 equals 9.6

### 3rd math

reasoning does 4+5 2 9+2 explain please help! Thanks :-)

### math

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

### math

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

### Math(Please help)

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.

### math

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

### math

Hi - please help me with this one: (5b^2c^1/4)^3 is the answer: 125b^6 3c ^ 3/4

### math

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

### advanced math

a=x+B+C/DFG2*gh/32 solve for b please help???

### math-PLEASE HELP

Convert to decimal notation. 8.23 * 10^7

### MATH please help!

log 1/x + 3log2=log32

### math

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

### Math

Are you allowed to do this 2log(x-1) =log(x+1) 2 (x-1)=(x+1) x=3 Please help :)

### Math

What is 2-3(-2) equals what please answer this question

### Math

Please help me solve this inequality problem. |1-(4)/(3)x|<3

### math

1/2 to the power of x = 1152 what is "x" in this situation? please help!

### Math

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

### Math

Find the vertex and symmetry of f(x)=-2(x+7)+6 Please help.

### math

how do you change %18.35 to a fraction! help please! thnx! (: