# Math(Please help)

183,433 results, page 40

### 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,

### Finite Math

Can someone please help me. I am not sure to work the following matrices. If A^4 = -3 4 -4 5 and A^5= 4 -5 5 -6 What is A? Can you show me how you got this? Thank you so much ;)

### Math sequences

Determine the smallest interger n such that 1+(4/5)+(4/5)^2+...+(4/5)^n>4.9 Please explain ti me about thisquestion. I can'tunderstand it.

### Math

if a bullet travels at 645.0m/s, what is its speed in miles per hour? can you please show me how to solve this?

### Maths

2t+8 is equal to or more than -4(t+1) Can someone walk me through this please? Math really is my worst subject....

### math

how to share 3 chocolate equally among 4 friends the answer i got was 3/4 but don't know if its right help please, thanks in return

### Math

Solve each system algebraically Y=4x-9 and y=x-3 This is what I have done 4x-y-9=0 x-3+4x-9=0 3x=9+3 3x=12 X=4 Than I substituted x in one equation y=4-3 y=1 Please let me know if I am doing this correctly. Thx

### MATH

Find all values of p such that 2(x+4)(x-2p) has a minimum value of -18. (AoPS, Please show steps)

### 6th grade Math

30.26/89 I got the first part which gives me -267, but then I'm confused because I don't know where to borrow from, please help, thank you!

### Math

Please help me to learn how to compare the below. 1. 23 in to 2 ft 2. 25 yd to 75 ft 3. 6,200 ft to 1 mi 900 ft 4. 100 in to 3 yd 1 ft 5. 1,000 ft to 300 yd 6. 500 in to 40 ft

### 8th grade math

please help! x y 1 135 2 220 3 305 what is the expression/equation that could be used to find y?

### Math I do not under stand

75 70 = 84,000 I do not think it right I really need help 5*0=0 0*70=0 70*5=350 70*70= 4,900 Please help me )-; )-;

### math

Why do you have to use estimation to find the number of triangles you need for the string? {could you please me I don't understand

### Math

How do I say the number 0.0016 and 0.0028? I've tried looking online but I'm not sure if they are correct. Please help me, thank you!

### Math

A single fair die is tossed find the probability of rolling a number different than 12. Please help me.

### Math

HI!! Um could someone help me with this problem... "Write 300/100 as a percent... I got 3% but Idk if that is right.., PLEASE HELP ME!!!

### Math, please check!

Order from least to greatest. 0.8, 7/8, 81%, 19/25 a. 0.8, 7/8, 81%, 19/25 b. 0.8, 81%, 19/25, 7/8 c. 7/8, 81%, 0.8, 19/25 d. 19/25, 0.8, 81%, 7/8 *** I converted all of them to decimals. Does it look right?

### Math

Find two numbers which have a sum of 2 and a product of 2. This question is driving me crazy, please help!!

### Math

There was an equation I was stuck on; 5x-3(x+2)=-12 solve for x. I tried working on it and got left with 5x squared is = to -6 but didn't know what to do after that? Please help

### math

My ratio is 4tsp of concentratet to 3 oz of water. How much of each do I need to make 64 oz. Please figure by cps.

### Math-Calc

Find an equation of the tangent line to the curve 2(x2+y2)2=25(x2−y2) (a lemniscate) at the point (3,1). Please help.

### Math

Good morning! Could someone please help me with this problem? x:9=2/3:36 The answer is 0.1666 But this is what I keep getting: x/9 = (2/3)/36 x 36/36= (2/3) x (9/1) /36 (2/3) x (9/1) /36 = 6 6/36 = 6 Thank you in advance!

### Math

Hello, can I please have help on how to find the area of a hexagon by knowing the apothem is 4 and the square root of 3? Thank you!

### math homework help please?!!

solve the system of equations algebraically for real values of x and y { x + y = 16 x^2 + y^2 = 128 a. (6,6) b. (8,6) c. (9,8) d. (8,8) e. no solution

### Discrete Math Proof Exercise

Prove that if 3n^2+5 is odd, then n is even. Please post a detailed answer. Thank you.

### Math

The sum of 5 consecutive even integers is 50. What is the middle one? Can you show the equation and how you solved it please?

### math

The perimeter of a rectangular field is 380 yd. The length is 70 yd longer than the width. Find the dimensions. Please help

### Math

can someone please help quick Choose the correct simplification of the expression (3x)4 can you explain how you got your answer

### math

Choose the symbol that completes the statement. 3/4_-5/6 a.< b.> c.= -1 3/4_3/4 a.< b.> c.= 2 3/4_2 4/6 a.< b.> c.= please help me can you give me the answers plz

### Math Ms. Sue

Use prime factorization to find the LCM of 30 and 40. A. 90 B. 120 C. 150 D. 200 Please Help!!!

### Math

Which of the following are equivalent to 85%? Choose all that apply two answer's 0.085#### 0.85 85/100 19/20#### please help me!!!

### Math

Evaluate the following expression for x = 26 3√x - 1 + 6 Please help I'm so lost! Btw, the square root stretches over x - 1 but not + 6

### math

Which ratios form a proportion? (A)3/15,12/55 (B)8/24,12/35 (C)5/18,25/90*^* (D)4/11,16/25 If I'm wrong please help me and correct me, don't yell at me for not knowing the right answer.

### math

Solve the proportion using cross products. 8/20 = k/110 (A)99*^* (B)122 (C)3.3 (D)2.9 Am I correct? please asap

### Math

Can someone please help me understand box-and-whisker plots? I get really confused on what each thing is and how to plot it. Thanks.

### math

Evaluate the following expressions: a. 11^0 b. 11^2 / 11^2 c. are the answers to parts a and b the same? Explain why or why not? Can i get a answer please im stuck

### math-precalculus

tan^3(θ)=3tan(θ) solve for all solutions.. please provide steps so I can follow

### math

Can you please help me simplify this into one fraction? 3/(x-3) - 5/(x/2) Here are the options: A) -2x+9/(x-3)(x-2) B) -2x/(x-3)(x-2) C) -2x-9/(x-3)(x-2) D) 2x+9/(x-3)(x-2) I think it's option D but I'm not so sure :(

### math

Find the 6th term in the expansion (x^2 - 1/x)^25 It is a Binomial Theorem problem and I am extremely confused. Please and thank you!

### math

a + bc = -1 b + ac = -1 c + ab = -1 Which of these values of 'a' is one solution for this system of equations? A) -2 B) -1 C) 0 D) 2 Please also explain how you got the answer, thanks.

### math

sinx/ = 1/ − 1/ algebraically. (5) 1 + cosx sin x tan x please show me the steps and how you got the answer

### Math

What is a good benchmark to use for estimating the number of photos in an album? Which I don't understand this question please help

### Math 2

Graph g(x)=−6(x−2)(x) Ok so I don't know how to do this because it isent two binomials but if you can help me this is what I got Vertex:1,6 X-intercpts: x=2 Is that right if not explain it to me please!

### math

Evaluate: 1 2/3 x 2 5/8 Give your answer as a mixed number in its simplest form. PLEASE HELP AS SOON AS POSSIBLE !!!!!!

### Science PLEASE PLEASE HELP

Which of these statements about saltwater is correct? Saltwater freezes at a lower temperature Saltwater freezes at a higher temperature Saltwater does not freeze at any temperature Saltwaters freezing point depends on the temperature of the ocean floor***** PLEASE HELP ME

### math

Find the Riemann sum associated with f(x)=4x^2+2, n=3 and the partition xsub0=-2 xsub1=1 xsub2=2 xsub3=4 of [-2,4] (a) when xsubk is the right end-point of [xsubk-1, xsubk] . (b) when when xsubk is the mid-point of [xsubk-1, xsubk] please help. i thought fora the anser was 216...

### math

4 numbers are placed in a bag. two are removed and total 2.4. The numbers are returned to the bag and the process is repeated 4 more times. The totals are 2.4 2.5 2.6 2.7 and 2.8. What are the 4 numbers in the bag? please let me know how you arrived at the answer. I was good ...

### math

Express each of the following in terms of another angle between 0 degrees and 180 degrees a. sin 50 degrees b. sin 150 degrees c. cos 45 degrees d. cos 120 degrees please explain to me how to answer this question you don't have to answer it , but please give me a hint. its ...

### Math

Please check my work. 1) 64 divide -4 = -16 2) -144 divide (-9) = 16 3) Simplify -9 and a small 2 = -81 4) Simplify (-3) and a small 3 = -27 5) Add -4/11 + 5/11 = 1/11 6) subtract 5/11- [-3/11] = 8/11 7) multiply [-7/8] • [-2/4] = 7/16 8) divide -3.5 -5.6 = -0.63 9) classify...

### Chemistry

A silicon chip is used in an integrated circuit of a microcomputer has a mass of 5.68 mg. How many Si Atoms are present in this chip. Okay here is how I worked it. Can someone please tell me if its right? 1 mole of Si = 28.086g = 6.022 x 10^23 5.68mg of Si 1g/1000mg = .00568g ...