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

math conversion

convert from Chinese into American standard measurement; 1800 24Kg. Please,

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