# Math(Please help)

181,141 results, page 27

### math 117

Is this right (3 x 10^4)(2 x 10^2) = 6.0 x 10^6, can someone please explain : ) I have no clue...

### Math 117

I need to solve 2.4 x (104)2 = 499.2, but how is that the answer, please help thanks

### math

(1/x - 3/x+4) / (1/x square - 16) please help me with this question if you can show the work or explain how to solve.

### math- please help quick

solve by expressing each power by the same base. 2^(1+2x)=32

### math

If a line is horizontal, its slope is 1) 1 2) 0 3) undefined 4) neative please explain ..thanks!

### math 10 slopes eqaution!!! HELP! please

solve and comparison: a)4x-9y+4 6x+15y=-13 im so lost!!!!!

### math

how do you reduce when u divide fractrions.please help. answer as soon as possible. thanks yo!)

### math

Please tell me if this is correct 90mm=900cm and 1400mm=14,000cm

### math

Use the solution of the system below to find x-y: 4x-2y=11 3x-4y=-6 a 11.3 b 0.1 c -0.1 d -11.3 please explin how to do this. Thanks!!!

### math

Use the solution of the system below to find x-y: 4x-2y=11 3x-4y=-6 a 11.3 b 0.1 c -0.1 d -11.3 please explain how to do this. Thanks!!!

### Gr. 10 Math!

Factor by Grouping. PLEASE SHOW ME THE STEPS! 1.) 8a^2+12ab-3b^2-2ab 2.) x^2+5x+7x+35 3.)

### math

Evaluate: 3^2 + 2^2 x 5 - sqrt 25 over 8 - 4 / 2 + 2 I am confused on the order in which I solve this. Please help!

### math

Can the remainder in division ever be equal to the divisor? please explain?

### math

please show the working out of how the 48.6 m is acheived. ( 400.9 m^4 s^-3 ) / ( 5 m s^-1 x 0.0007 s^-2 )1/3 = 48.6 m

### Math

I am having probles with solving systems of equations by graphing please help!! y=4+2/3x 2x=3y

### math

f(x)= -9x-10 What is the slope and the y-intercept I have no idea how to do this. Please help 6x+7y=39 x=50-6y what is the solution of the system

### math

2x + 5y = 8 5x + 2y =1 So that means these lines are perpendicular line please correct me if I am wrong.

### Math

2p+7p=54 It says to combine like terms and solve the equations but i don't know how to. Please help?

### Math

For y = a sin x 'a' is called the amplitude. What effect does 'a' have on a graph ??? Please help if you can .

### please help math!!

show the given fractional amount in an equalivalent decimal, 5/8 and 13/26

### Math

Please help me find the pattern 212 , 106 , 135 , 67 , ___ , 47.5

### Math

Please help me find the pattern 212 , 106 , 135 , 67 , ___ , 47

### math

how many different figures can make with only 2 parallel sides?? please help me

### Math

{-1, 0, 1, 2, -1, 0, 1, 2, -1, 0, 1, 2, 1, 1, -2} I need to find the standard deviation of this set of numbers please help!!!

### math i need help please

some one help me on my 10 question look for a answer

### Math

Can you please check to see if this is correct: -5 = x-(-17) After doing my work I got x = -22

### Math please help

How do i find the number of degrees in a point angle...for example {6/2}

### math

I'm not sure how to divide rational expressions: ((1/x+1)+(1/x+2))/((1/x+2)+(1/(x+3)) -I got ((2x+3)(x^2+5x+6)/(2x+5)(x^2+3x+2) but it was wrong? Please help!

### math

please help me on the following: prove the identity. cos4x = 1-8sin^x2cos^2x

### math

please help me on the following: prove the identity. cos4x = 1-8sin^x2cos^2x

### math

solve for w, P=2l+2w could you please show me how this is done and explain the rules. i'm hopelessly lost with this. thanks.

### math 12

Could you please show me how to solve this question.If 2 cos A-1=0, where 0< or = A < 2pi what is A equal to?

### MATH - Can someone please help!

What is the solution of the interval notion? x less than 6 and x greater than -3

### math

Find the slope of x=-6 unsure where to start here can someone please help?

### math

factorise 7x^2 - 19x + 10 13x - 20 - 2x^2 28n - 10 + 6n^2 please can you show me the method thanks

### Math

express 53 as the sum of 4 or less perfect squares please help me solve, thanks!

### Math

Did I do this problem right? Add. (x^9-2)+(x^9+2). Here is what I did: (x+x)^9+(-2+2) 2x^9+0 Is this correct? If not could you please explain it to me? Thanks.

### math

I'm having trouble simplifying two problems with exponents. Please help. Thanks. 1. [(-2)^4]^3 2. 10^7 . -1/10

### Math (repost)

Given f(x) and g(x)=f^-1(x). If f(1)=4 and f'(1)=-3, then find g'(4). ...No idea where to start with this. Please help? Thanks much!

### Math

Multiply and Simplify: Can you please show me the steps on how you get the answer. Thank You 2/4n+6 times n^2+2n-3/n+1

### Math

Solve for the indicated variable. Can you please show me the steps on how you get the answer so I know how to do it. Thanks. F=9/5C+32, for C

### Math

Can someone please condense this expression. I do not know how. 1/2ln(x^2+1)-4ln1/2-1/2[ln(x-4)+lnx]

### math

this is the third and final problem I can not figure out. Help please Divide (x^4 - 8x^2 + 15) / (x^2 -3) =

### Math

Could someone please show me how to solve this Prove tan(-è) = -tanè

### math

I am having trouble finding the x and y intercepts in this equation. Can someone please help me? y=-5-5x

### 4th Grade Math

64*15 divided by 56 rounded by precentage ( % 's ) help please urgent!!!

### Math

how do you add,subtract,and multiply decimals? please don't put a link.

### Math(Please check)

Divide 5x^4 - 3x^2 + 8x + 6 by x^2 + 8 My answer was 5x^2 - 43 with a remainder of 8x - 338. Is this correct?

### math

please help. graph the equation and identify the y-intercept for 2y-5x=-2 in ordered pairs

### Math

Can someone please tell me what the vertex and line of symentry would be for r(x)=-3(x+3)^2.. Thank you

### Math

Limit as x approaches 8 of [(8-9x)^(1/3)]/[(x-6)^3] ...I'm not quite sure how to approach this question. Help please? thank you!

### math(please help)

Find the real solutions of each equation. x=2 srqt 6x-36 I do not know where to start.

### Math(Please check)

Find the real solutions by factoring. 7x^3 = 2x^2 x^2(x+7) = x(x+2) x=0 x=-7 x=-2 Is this correct?

### 5th grade Math

x 0 2 4 6 y 8 18 28 38 If x=8 then y=??? Please answer in equation form like y=....

### Math(Please help)

Determine whether the points (0,3)(-2,0)(2,7) are on the graph of the equation y = x^3 - 2x +3? How would I do this?

### Math

Find the center and the radius of the circle which (6,-2) and (-4,4)are endpoints of a diameter. Please help!

### math

Please guide me in factoring completely while showing work ty -8x^3+4x^2-2x

### math

what are all the fact families of 3, 4, 7, 10, 11. i'm not to sure how to answer this question. can anyone help please

### Math

please give me an example of a positive and a negative nonzero integer. Thank you.

### Math

I need Help in the study unit for pennfoster on The Accounting Equation please!!!!!!!!!!! THANK YOU

### 5th math

what is the mode for the following number? 9,5,3,6,5,2,4, please !show me how to do this problem> thank you!!

### math

how do you arrange these following numbers to make this equation true 18,9,24,20 and to =18 please help....

### math

how do you arrange these numbers to make this equation true 7,26,46,15 to =160 Please help.....

### Aims math [help please very appreciated]

Solve fro x. 15x+4=21+2x

### Math

log8(768 x 16) --> the 8 is a subscript to log --> please show steps.

### Math/Trig

Convert 2pi/3 radians into degrees please

### math algebra 1a&1b

the problem is 2(9n-1)+7(n+6)=-60 i get how 2 do it but i get confused on wat 2 do and then i get mixed up and mess it up please help

### math algebra 1a&1b

i keep gettin a decimal or a zero on this problem -3(3x+15)-(10+X)=35 PLEASE HELP

### MATH!!!!!!!

state whether or not a constant will appear in the expansion of (x+y)^11 what does this mean? please help

### math

i need help by knowing how to find area with 3 shaped in all please help

### Math Please help urgent answer

What is the maximum value for 5sin(5t-pie)

### math

Find the x-intercept 3x-5y=14y+9x I think y=0 but 3x=9x does not make sense to me. Please help me. Thank you.

### MATH

10*9*8*7*6*5*4*3*2*1 = 10! Can this be true?! Why or why not? Im totally confused with this. Miley would like your help, please and thank you<3

### 5th grade math

i need help with fraction 3/5-3/15= ? PLEASE SHOW ME HOW TO DO THIS PROBLEM,THANKS!!

### Math

Could some please help me to find the additive inverse of -9 on the 12-hour clock.

### math help PLEASE

divide 891 by 40 and write the quotient as a mixed number

### Math

How to simplify this equaiton? -5[55-(14-84)]=? I know that what is in the ( ) comes first so what do I do after -5[55-(-70)] please help me understand this.

### math

How many ways can we select a group of 4 people from a class of 27? Please explain

### math grade nine

can someone please tell me if this answer is correct p-3+2p-9=0 p+2p-3-9=0 3p-12=0+12=0 3p/3 = 12/3 p=4

### Math

/-8/+/5/ Simplify??? the lines are supposed to go straight but ya i cant find how to do this or the answer please HELP!!!

### Math(please check)

1) Differentiate the following: a) y=(x^3+5x)^6 (x^2+1)^7 (6(x^3+5x^)^5 * 3x^2+5) + (7(x^2+1)^6 *2x) * (x^3+5x)^6 b) y=(x+1)^2 / x^2 (2(x+1)*1) * (x^2) - 2x *(x+1)^2 all over (x^2)^2 Are these correct?

### Basic Math

I cannot figure this one out 12x+13y(12+6). Please help!

### Math-Please help :(

Construct a truth table for the statement. (p ↔ q) → p

### Math....please help

Construct a truth table for the statement. (p ↔ q) → p

### math

given the equation of this line - 2/3X +5y=7, please find the slope of the Y intercept

### math

please give examples of working models on SAS congruence

### Math help please

i tried these quesions so manytimes , but i just cant get he rigt answer ! 1.) 4(2-a)^2-81 2.) -(x-y)^3 3.)3x^2-27(2-x)^2 4.) 9(y-1)^2-25

### Math !!!!! Help please !!!

i tried these quesions so many times , but i just cant get he right answer ! 1.) 4(2-a)^2-81 2.) -(x-y)^3 3.)3x^2-27(2-x)^2 4.) 9(y-1)^2-25

### Math-PLEASE. HELP.

Write an equation for the linear function f with the given values. f(4)=-8, f(-3)=1

### math logs - please help

True or false: 2 ln x / ln 5 = ln x^2 - ln 5 for all positive values of x.

### Math

I do not understand please explain for me solve for the indicate letter x=13+x, for x the solution is x =

### math

Hints to solve following nonlinear equation please? y=-4.9x^2+20x+10 9.8x+y=20

### Math

X=x^2+3x-10. Graphed as a parabola Include the x,y table please. And line of symmetry.

### Algebra; Please help.

Describe how you can use mental math to find the product. 15*25

### Math

Is 4^33 + 3^44 divisible by 5? Please help ASAP. This is due tomorrow. Thank you very much :)

### Math -Tutor help only please!

Solve: 2/12x-3/12=8/12 Is x = 11/2 the correct answer?

### math

2cos^2a*cos^2b+2sin^2asin^2b-1=cos2acos2b how to prove it,please help me

### Math Problem

Please multiply and simplify the answer I am having trouble with (3x+7)(4x^2+2x+8)

### math problem

subtract the polynomials please help having trouble (-12a^2+3a+3)-(6a^2+3)