Math(Please help)

181,141 results, page 40

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

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

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...

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

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...

Math - I really need help, please.

A town has a population of 8400 i 1990. Fifteen years later, it's population grew to 12500. Determine the average annual growth rate of this town's population. I really don't understand this problem. I've been going at it for hours and all I've come to is that the equation ...

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 ...

physics

A mass of 5.6 kg lies at the top of a frictionless incline. It is inclined at an angle such that the normal force on the mass is 30 Newtons. If the length of the incline is 58 meters and the mass is originally at rest at the top of the incline and then released, how long does ...

English

1. Let me call roll to make sure you're all here. 2. Let's decide the turns first. Who would like to go first? 3. Could you please fetch it from the staff room? 4. Could you please fetch it from the teachers' room? 5. Could you please fetch it from the teacher's room...

Math

Please explain how to figure out the following 7th grade math problem: If a rubber ball bounces exactly 1/2 the height from which it is dropped; and it is dropped from the top of a building that is 64 meters tall, how high will the ball bounce on its eighth bounce?

math

Posted by mota on Saturday, March 1, 2008 at 3:34am. THE MASS OF THE SUN IS ABOUT 10^27 METRIC TONS , OR 10^30 KILOGRAMS . HOW MANY KILOGRAMS ARE IN ONE METRIC TON ? ----------------------------- math - drwls 1000. ----------------------------- explain please i want to ...

Math

There is a graph and on the right hand side it has numbers going up from 0, 7, 14, 21, 28, 35, 42, 49, 56, 63, 70 these numbers represent Time (days) on the bottom it has 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 which represents Time (weeks) The math question is what is a real life ...

Writing PLEASE HELP!!!!

i need a story that has a genre of realstic fiction please its due tomorrow!! Cold Mountain or Thirteen Moons by Frazier are two

DrBob222 help me!!

Please I posted a chemistry question but I havent gotten any answer back please help me, sorry for having so little patience answered below.

Critical Thinking

A strawman is when someone makes a claim,or refute by putting words in someones mouth.Please help I need an example sentence please!!!!!!!!!

Physics - please check over

Could I please get some further assistance on a question I posted earlier? I'm not getting the correct answer and I'm not sure what I'm doing wrong.

To FRANK or SUE - re DATABASE

1. Please release your Caps Lock key. 2. Copying/pasting is clearly not working for you. Please type in your question by hand.

science

what is the word to put in the blank? A(n)_____________is a summary of what you have learned from an experiment. PLEASE help! whoever answers this please type an answer nicely. Thank You!!

biology

what does the statement mean many discoveries lie in wait for the tools needed to make them? thank you.please i need the answer before i go to school in the morning. please help!

biology

if hydrogen flouride (HF) is dissolved in pure water will the pH of the solution be lesser or greater than 7? please explain why? thank you so much ! please i need the answer tonight!!!!!

Physics-Please help

Could someone remind me how to calculate this on the TI-84 Calculator: Which buttons do I hit for this: 3 * 10^8/5.4 * 10^14 I'm inputting it and coming up with 5.55 E 21 It should come out to be 5.55 *10^-7 but I'm not doing the input correct Please help

Algebra

How do I solve these equations? I was out sick a whole week :( please no direct answers. I want to know the process as well. -a=5 4/5x=20 -2/3y=-18 -x/3=18 Please note that the / are fractions. Thank you so much in advance!! :)

Algebra

Help please (x^3 + 3x^2 - 2x+7)/(x+1)=11 I don't how how to solve this at all-the answer should be 11 but I don't have a clue how to get it-please show me this one so I can hopefully do my homeowrk-we did this in class today but I don't understand it

BIOLOGY please help!!

Negative allosteric effectors in the citric acicd cycle. Theres four: I have NADH and ATP What are the other two please help

Psychology

Please help me: explain why individualistic and collectivistic cultures differ in their tendency to make the fundamental attribution error in. Please 80 to 100 words, Thank you in advance.

Social Studies

How did Diocletian try to reverse the decline of Rome? Please help! I don't get it :( Which event usually marks the fall of the Western Roman Empire? Please help!

English help please

Which of the following personal completes the sentence correctly? One of my brothers just received ____diploma? A. his B. him C. their I think it is A or B. Can't quite decide. Please help.. Thank you

College Algebra

Write the following a+bi form i(3.14-3i) Please help. I believe that the answer is 3.14i-3i, which would be (3.13*-1)-3*-1. however this was incorrect please tell me where I went wrong

Algebra 1 (PLEASE HURRY!!)

{3x+y=-9 {-3x+-2y=12 What is the y-value of the solution to this system of equations? A. -7 B. -3 C. -2 D. -1 I tried them all and I must have did something wrong because none of them worked. Help please!! Thanks.

ELA

What differences became matters of life and death during the Holocaust? There are no choices in the question. SOMEONE HELP ME PLEASE. MS. SUE, WRITETEACHER,SOMEBODY HELP ME PLEASE

biology

someone please help me im confused and idk what im doingg how would i create a dna molecule model using straws, pushpins, and paperclips? help me, please.

pre calc

Can someone please help me f(x)=1/3 square root 1-2x and g(x)= (x-2)/x. Find and simplify (g of g)(3)/(g of f)(-24). The answer I got it -24/7 and i Am unsure If it is correct. Please show all work Thank you

Science please help

i am sorry to bother you Ms. Sue but i need to present your proposal of a device that minimizes heat transfer. can you please give a list of insulators

maths

find the following square roots,using 'prime factors': i) 784 ii) 7056. 1 iii) 20---- 4 please give answers and tell me how to do. please

I really need help!

Hi, I really need instructions. Can someone please tell me how to make a coordinate plane and a rectangle on the plane in Microsoft Excel 2013 please? I really I need an answer soon because this is due today!!!! Please someone help fast! Thank You :/

physics

please please help my other questions !!!:(

english

Hello! I'm a French student,I'm 17, I've learned the beginning of Freedom by Jonathan Franzen. Sometimes, it seems confused as it's my second language. So I need help, please. Can you explain what happened with Patty, Eliza, Carter, Richard and Walter in the chapter 2: best ...

maths

I am really facing difficulty in maths. I do my best to improve in maths but after entering in the examination hall during my exams, i just get confused. please help The proper name for the subject is mathematics or just "math" for short. Calling it "maths" calls attention to ...

7th grade math please check ASAP please!

Tom buys a shirt for $22.00 plus 7% sales tax. His cousin buys a shirt for $18.00 plus 4% sales tax. a. How much do Tom and his cousin pay for the shirts? Show your work. b. Who spent more on tax? (3 points) Is my answer correct: B: Tom's cousin **I already know A, thanks for ...

integrated math 1- please help!!!

Among a group of people, 10% are from NYC and 90% are not. All people from NYC are under 18 years old, and 70% of those not from NYC are also under 18 years old. One person is chosen at random, and he or she is under 18. What is the probability that the person chosen is from ...

math

Let h(x) = 3 x2 + 2 x + 1. Let g(x) = 3√{x} + 3. (Note: If there is a nonmathematical symbol in the preceding expression, then your browser doesn't have the math symbol font. Please follow the instructions on the Tools page in Oncourse to install the STIX math fonts. To ...

Math(Please answer)

This is the same equation as before just with different numbers. y=yo + (vo sin Q) t - 1/2gt^2 This time the numbers are: 0 = 1.005 + (3.021 sin 30)t - 1/2(9.8)t^2 4.9t^2 - 1.5105 - 1.005 = 0 This is the part where I am stuck. Did I do this correctly? sin 30 = 0.50 X 3.021 = 1...

math

Q: Corbin is playing a board game that requires rolling two number cubes to move a game piece. He needs to roll a sum of six on his next term and then a sum of ten to land on to the next two bonus spaces. what is the probability that Corbin will roll a sum of six and then a ...

running.from.myself

3. how many lines of symmetry are in a 8-sided snowflake? 10, 12, 8, 16 1. how many lines of symmetry are in a 6-sided snowflake? 10, 11, 12, or 6 if you wanted to make hearts on your snowflake,, which sides of the right triangle would you have to draw half of the heart? a. ...

Math-help please

My daughter is doing 5th grade math division. Her teacher has shown her a different way to divide these days. I know the answer I get (the old way), but can you tell me how you get the answer for 233 divided by 29. They have her "Xing" out the last 3 in 233 and dividing it ...

MATH

Please someone get back to me! I really don't know how to do this, need as soon as possible. Please help! A rabbit population satisfies the logistic equation dy dt = 2x(10to the exponent 6)y(10to the exponent6)- y; where t is the time measured in months. The population is ...

math and desperate

What similarities and differences are there between functions and linear equations? Are all linear equations functions? Is their an instance when a linear equation is not a function support your answer. Im not good at math please help.

Check Please(Math)

(-2x^2y)^3*(5xy^3)^2=(-2x^2y)^3 = -8 x^6 y^3 *Please check my work. What did you do with the (5xy^3)^2 part. The first part you did ok. But you can't just throw away part of the equation. I don't get that part.What do I do there.? (5xy^3)^2=25x^2y^6 You did the first part ok ...

English

1. Please come to see me in the afternoon, when I will be free. 2. Please come to see me in the afternoon, and I will be free then. 3. Please come to see me in the afternoon, for I will be free then. 4. Please come to see me in the afternoon, and then I will be free. 5. Please...

Math

I am having trouble with the concept of unit conversions for math C30. I am in cyber school and it does not seem to be explaining it as much as I would like. Here is the question: Change 25 kilometers per hour into feet per second. Can you please explain how you are finding ...

english

I need a description of a major theme from The Robber Bridegroom by Eudora Welty, please please please. -Preferably the theme with "Jamie Lockhart is the bandit of the woods. And the bandit of the woods is Jamie Lockhart" Thank you!!!

Math

A year on Mars is 686 Earth Days. (1) Which is longer, a year on Mars or a year on Earth? (2)By how many weeks is it longer? Submit two answers. Please explain how you got the answers. My 1st answer was Mars the 2nd answer I 82 1/2 weeks. Please help

Math Complicated

Please I am desperate need of help for this symbol. What does the long square root sign mean? Like in √5 + 8 +24 = √37 The square root sign is supposed to go above 5, 8 and 24. What does that mean? Like find the square root of each number? Or…please I need help :(

please i need help accounting

i have a promblem it gives me the information and form i understand the information but cant fill out the form because i don't know how and its 71 points out of the whole exam. is there anyway u can help me out if i give you the information. its about transactions the first i ...

English Literature

Hello, I'm a English Literature student. I'm going to make a Project on William Shakespeare and John Milton. As I said, it's an English project, So please suggest me some good topics/title for both the projects. Also please give me some general tips and ideas. Please help, its...

math

(x-4)/(2x+4) is greater than or equal to 1. How do i express solutions to inequalities in interval notation without using the calculator? please help.

Math Help Please

How do i solve inequalitites with three variables. I still can't figure it outplease help. x+y=1 y-z=-3 2x+3y+z=1 Where are the inequalities? Those are equations.

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