# Math(Please help)

181,141 results, page 39

### math i need help please

determine sums of following geometric sequences... A. -1/32+1/16-...+256 B. 50 over Σ 8(.5)^n-2 where n=1

### math

write the following in a sigma notation 3/32+3/16+3/8+...+12288 so far ive gotten that a=3/32 and r=2/1 can you please help me further

### pre-algebra-math

two fractions equivalent to the given factor 18/21 and the other 3/27:) please helpp

### Math(Please check)

Find the derivative of f(x)=1/3 sqrt x. The 3 is little above the square root. I know that it is -1/3x^-4/3. Can this be written as -1/3x^4/3 ?

### 3rd grade math hw help!

Please help! Name three ways the Roman and American coins are alike? Thanks.

### Math

Principal is $1,800. Rate is 10%. Simple Interest is $360. What's the time? Please show how you go to this answer.

### math

Could someone please describe two main differences between classical and empirical probabilities.

### math

HELP ME PLEASE!!!!! Convert to an improper fraction. Type in your answer with the negative in the numerator. -11 1/3= I have NO clue how to do this!?

### math

I don't understand the rules for adding and subtracting postive and negative ,can you please explain it to me? im having a test

### math

a circular coin has radius of 8.2 what is the circumference rounded to the nearest tenth? please show work

### math algebra..help please urgent! due in 20mins

how to divide and simplify 12x^3-22x^2-44x-16/6x+4

### Math(Please help)

f(x,y)=x^2 e^2x lny (2,1) I need to find the partial derivatives with respect to x and y. I have not idea how to do this especially with the (2,1).

### math

2 questions please 6x<2x+24 also express 792 as a product of prime number in index form

### Math

Find the limit of ( n(n+1)/2 )^2 * 2/n^3 * 2/n as n goes into infinity I keep on getting 1, which is the wrong answer. Please help!

### math

please let me know the probability that in five tossess, a coin shows heads at least 3 times in succession?

### Math

solve for x, where x is a real number. (x^2)+3x-4=14 Please show me the steps im missing one and i cant figure out what

### Math Algebra 2

m1v1 + m2v2=(m1+m2)v3 find m1 If you could please explain it too or show the steps I would appreciate it.

### MATH HELP PLEASE

What is the smallest positive integer by which 180 should be multiplied to obtain a perfect square? Thank you

### Math

Let f(x)=sinh^−1(6x). Then f(x) can be written in the simplified form (Ax+B)/(sqrt(Cx^2+D). What are the values of A,B,C and D? Again, please show me how to do this. Thanks

### MATH

multiply 138* 29/46*7/9 give answer as a whole ormixed number????? this is a foreign language to me please help!!!

### math

e.) 22, 344,579.06 a.) 1, 333.8 c.) 4.44 b) 2.97 d) 2.05 can you please put this in order from least to greatest in decimal form

### Math

e.) 22, 344,579.06 a.) 1, 333.8 c.) 4.44 b) 2.97 d) 2.05 can you please put this in order from least to greatest in decimal form

### math help me please!!!!!!!!!!!!!!!!

luke added 429+699+314 and got 950 is this sum reasonable?

### Math

Calculate the number of grams of dextrose in 250mL of D5W. I know that the answer is 12.5g, but I do not understand the work. Please help.

### Math 7 Help! (last qs.)

Name some situations in everyday life where positive and negative ingeters are usaful ____________________________________________________________________________________________________________________ I DON'T GET THIS!!?!??!?!? Please help me! Thank You! :-)

### MATH

DESCRIBE THE ANGLE SUM THEORY AND HOW THE FORMULA WORKS. HELP ME PLEASE I NEED TO STUDY FOR A TEST

### Math

How do you turn 11/12 ( a fraction) into a percent?? Help please its homework due very soon!!!!!! Thankz.

### math

Solve -3(x-10)>-x+5. Write your solution using set builder notation. please show work

### Math

Find two lines passing through (-1, 1)which are tangent to the ellipse x^2-4x+y^2+3=0. Please write out how to get there. Thank You.

### math

For the function f(x)=-2x^2-6x-7 find: a) an equivalent equation in the form f(x)=a(x-h)^2+k b)the maximum or minimum (also decide which) please help and thank you

### Math

IN a square with each side measuring 6inches what is the ratio of the perimeter to the area? Please show work for this!!

### Math help please

(This homework question was removed due to a copyright claim submitted by k12.com.)

### Math

I've been working on this function for quite awhile and just can't seem to get it. Inputs x 5, 6, 7, ? Outputs y 50, 72, 98, ? Please help!

### math/algebra

Find the quotient and remainder when the dividend is 262 and the divisor is 11. Please show work

### math/algebra

Please show work Find the quotient and remainder when the dividend is 262 and the divisor is 11.

### physic please check answers test tommoro

bobpursley did i do the math problem right if not could u do it for me .thanke

### Math

Simplify x^2 - 9x + 18/ x^2 - 6x + 9 for all values of x for which the expression is defined. A. x-3/x-6 B. x-6/x-3 C. x-1/x+9 D. x+9/x-1 Please explain how you work this problem in detail. Thanks.

### Math

What is the length of a segment whose endpoints are (5, -8) and (9,2). Please explain to me what the formula or rules for working this problem.

### Math

Use the method of substitution to solve the linear equation! 6a=6-b 6a=5-b please help I don't get it it needs to be an ordered pair.

### math

Really need help please!! triangle CDE has vertices C (-2,4) D (6,2) and E (-4,-2) determine the exact location of the centroid

### Math, Pre Calc

Given that (+-2) and i are the roots of a 4th degree polynomical, find the equation. Please help! Thank you:)

### MAth

I keep getting -28/19 for this problem, but it doesn't check with the solution in the back of the book. Help please.. solve the equation 7d-(1/2)(2d-4)=(-5/4)(d+4)

### Math

how would you find the inverse function of a problem when you have a squared number like f(x)=(x^2-4)^2 PLEASE HELP

### Math Help!

What is the scientific notation of 95? Please give a simple explanation! Thanks, sorry i keep posting this question!

### Math

24 (6-)-1 divided by-5. There is a big space between the 24 and the -6. I don't know if I multiply 24x-6 or do I multiplying-6x-1and then times it by 24. Please help

### Math

Find the slope of the tangent line to the curve 0x^2−2xy+2y^3=10 at point (-4,1) Help please? Thanks in advance

### math help please

Solve the following system of equations using substitution. What is the value of y? 2x + 3y = 105 x + 2y = 65 A.15 B.25 C.40 D.65 I think it is B??

### 7 th grade math

Input 1 2 4 5 10 12 Output 3 5 9 11 21 25 What is the rule for this function ? If adding add what tried 2 Need help please

### 7 th grade math

Input 1 2 4 5 10 12 Output 3 5 9 11 21 25 What is the rule for this function ? If adding add what tried 2 Need help please

### math exam tommrow review

please check work. y=2x-85 plug in 130 for x and i got 175

### Math emergancy

find the two ratios that are eequivalent to each given ratio 9/12 4/20 15/25 7/12 14/7 11/22 10/3 18/28 12/27 i don't no how to do this so yea please answer

### Math emergancy

find the two ratios that are eequivalent to each given ratio 9/12 4/20 15/25 7/12 14/7 11/22 10/3 18/28 12/27 i don't no how to do this so yea please answer

### math

write the expression as a sinle logarithm. express powers as factors. In (x/x-1)+In(x+1/x)-In(x^2-1) Please show work.

### math. need help asap!!!!!

What's 0.8, and 1.1 as mixed numbers. What's 1 1/2, and 1/5 as decimals? What's 0.09, 2.46, 3/5, and 99/100 as percents. Please help. Due tomorrow!!!

### math VERY URGENT AND IMPORTANT

Estimate the product of 3 7/8 and 25. Describe your method. Please answer and explain.

### math

a hiker travels for 15km on a bearing of 210T how far south is he please show working

### math

Hello. I am having a little bit of touble with algebra, distributive property. The question is -20 (19-a) can you please help?! Thanks!

### MATH HELP!

If school starts at 7:42 am and it ends at 1:56 pm and there's 42 minutes per period. Create a bell schedule. Please help!!!!

### MATH

Y^3+Y^2-4Y-4 AND T^2+4Z^2 THESE ARE FACTORING QUESTIONS CAN SOME ONE PLEASE SHOW ME THE STEP ON HOW TO SOLVE THESE TWO PROBLEMS

### math

Calculate the following and write your answer in the simplest form. Please show all your calculation. 4 2/6-1 2/12+2 1/4

### math

how do i round each of the folllowing to one significant figure and then 'name' that number: 2^200 20^20 please help and thank u so much if u do!

### math

the function f is defined: f(x)= x+3 if -2<=x<1 9 if x=1 -x+2 if x>1 a. find the domain b. locate the intercepts I am totally lost, can someone please help me with this?

### Math

If a data set is: 18, 9, 14, 10, 15.... What would be the mean absolute deviation? What I got was 13.2, but it seems incorrect. Please help!

### math

simplify 2xcubed+3x+5 divided by x+1. i am finding 2x squared-3x-5 and the book says 2xsquared-2x+5.please help am stuck

### Math

Hey everyone!! please help.. Find a function f such that the graph of f has a horizontal tangent at (1,0) and f"(x)=10x?? Thanks

### Math

If polynomial p(x) = Ax^3 + Bx^2 + Cx + D vanishes at x = a - d, a, a + d, then prove that a^2 + D/aA > 0. Here A, B, C, D are some constant. Please work the complete solution.

### math calculus (please help me)

Solve for t. (Round your answer to two decimal places. (2 − (2.479/35))^7t= 29

### Math

Multiply 1. (1.2z)(-4+2y) 2. (-2e - 3f +4)(-e) 3. (7v)(-7v-7x) 4. (-4x) (-7+3y) 5. (b)(-0.1a + 8b-0.7c) please help me, I have done these questions but im pretty sure my answers are wrong, so can someone do these or help me so i can understand how to do this, thanks :)

### math

K is the midpoint of JL JL=4x-2 and JK=7. find x, KL, and JL. Very confused , can you please show steps to working out the problem

### Math (HELP PLEASE)

Explain why it is important to line up decimal numbers by their place value when you add or subtract them.

### Math

5th grade parent can you please show me how to break down 4 4/5 does it end up being 24/5? the probleam is: 4/4/5 -1 7/8

### 7th grade Math

Please, help me how to solve this problem 21% of 82 how do you use a fraction to estimate the percent of each number? Thank you

### Math- ASAP

Could you please help me on this problem, i'm kinda stuck on it and can't find the same base. These are exponents (9^2x-1) = 6^x Thanks for helping me! -ST

### Math

I need help with these please: 4. Simplify sqrt27/75. The answer should be in simplest form 5. Solve for w. (3w-15) (w^2 + 11w +30) = 0 Thanks -MC

### Quick math help

Write an equation in point slope form using the following points: (-3,2) and (-5,1) Please help me! Thank you!

### Ms. Sue Math Help Please

Which equation matches the statement "The product of 3 and the difference of a number and 10 is 15" Answer choices: 3 + (x - 10) = 15 3x - 10 = 15 3 (x - 10) = 15 3 x/10 = 15

### math

hi hello: please help me this problem... Draw and explain the angle of depression of a boat from a cliff is 39 degrees

### math ( sets )

{ 1,2,3, ...., 100 ) How many numbers in the above set are perfect cubes ? a. 2 b. 3 c. 4 d. 5 e. 6 please answer and explain

### Math - Please check answer :)

What is the slope of the line that passes through the points (–2, 5) and (1, 11)? A. -6 B. -2 C. 2 D. 1/2 ----I think its this one...

### math

please somebody explain the product of 6, and the sum of 4 and 5?I have to show if 6x4+5 is the right answer.

### Math (how do you find the volume of a cone)

for example, a radius of 5 and a height of 20, could you please explain the steps? Thank you in advance!!

### Math

Please help.I need to find two- hundredth digit in the decimal representation of each of the following fractions 5/6 4/11 1/13 Thanks.

### math

Find the coordinates of the image of point R(3,-5) rotated 180° about the origin. A)(-3,5) B)(-5,-3) C)(5,3) D)(3,-5) Please help me I think its A

### math

Find the coordinates of the image of point R(3,-5) rotated 180° about the origin. A)(-3,5) B)(-5,-3) C)(5,3) D)(3,-5) Please help me I think its A

### math-Ms Sue please help

What is the monthly payment on a 25-year loan of $73,700 if the annual interest rate is 10%?

### math

please factor the ff: 1.x^2+16x-36 2.x^4-10x^2+9 3.(4+x)^2-(4+x)-20 4.2-3x^-1+x^-2 (all of the exponent here in number four is negative) thanks.....

### Math

Find the slope of 8x+4y=7 in parallel and perpendicular lines. Please help me figure this out? Still need help

### math

Find the unit rate. Run 400 meters in 1 min 32 s. Have no idea, please help.

### math

2 six sided dice are throne together.what is the probability that a total of 10 is thrown.can u show me how to do please ,thanks

### sixth grade math

How to express 12/15 as a fraction, percent, and decimal. Someone please show me how to solve.

### Math help please!!!!!!

Given a scale factor of 1/2,find the coordinates for the dialation of the triangle with vertices as (0,0),(0,2), and (4,0). A.(0,0),(0,4),(8,0) B.(0,0),(0,1),(2,0) C.(1/2,1/2),(1/2,1),(2,1/2) D.(2,2),(2,4),(8,2) Is the answer B?

### Math

Please help me the way through this sum Integrate Cos squared(3x) btwn x=pie/2 andx=0

### math

I go to Conexus and I am super duper behind do you happen to have the answers for the proportions quiz???????? PLEASE A c d c b a d

### Math

1) Proove that for every x>=0 and 0<a<1 x^a-ax<=1-a 2)prove that for 0<=x<=1: x^m*(1-x)^n<= (m^m*n^n)/((m+n)^(m+n)) can someone please guide/help me in about how to solve and or approch these questions?

### Math

Simplify each expression and state any non-permissible values. ( 3 marks - show your work) x/(x^2-3x-4)-4/(x+1) Please help me!

### Math

Simplify each expression and state any non-permissible values. (5 marks - show your work) (3x+1)/(2x^2-2) + (2x+2)/(2x^2-8x+6) Please help me!

### math homework please help

simplify cubed root of 432 write 10^5sqrt15 as an entire radical

### Math

NEED HELP ASAP PLEASE! 1. evaluate x/y for x=2/3 and y=6/7 A. 7/9 B. 8/10 C. 9/12 D. 12/21 That is all. I do not understand this, so if someone could help that would be great. Thank you so much!

### Math

What is the equation of the line that passes through all the points in the table? x -4 -2 0 2 y 0 -4 -8 -12 A. y= -2x-8 B. y= -2x-4 C. y= -4x-8 D. y= -4x-4 PLEASE EXPLAIN PLZZ