Math(Please help)

181,141 results, page 88

Please do Civics Essay thanks so much

Please Help with essay question. thanks!! In a federal system of government (also known as a federation), the local and state governments share power with the central government, though the central government has final authority. Eplain how this is different from a confederation.

Language Arts

You meet Tock and Hambug in Act I of The Phantom Tollbooth. In Act II, you see them in action and hear more of what they have to say. How are the two characters alike? How are the two characters different? What do they do to help Milo? tell two ways for each. Please help me ...

math grade 11

i need help with this quretsion ; i don't know if im right, and i dontknwo what do next question expand and simplfy: 4√7(2√3 + 3√6 - √7) my work = 8√21 + 12√42 -4√49 please help me

math grade 11

i need help with this quretsion ; i don't know if im right, and i dontknwo what do next question expand and simplfy: 4√7(2√3 + 3√6 - √7) my work = 8√21 + 12√42 -4√49 please help me


i need to write each expression as a product of the same factor: * = multiply can you check these please a^2 i got a*a 19^3 i got 19*19*19 -6^2 i got 6*6*-1 -x^3 i got x*x*x*-1 (-5)^4 i got (-5)*(-5)*(-5)*(-5)*(-5) 4^3 i got 4*4*4 -(10)^2 im not sure how to do?? 20^1 i got ...


Please check 6 more than a number n 6(n)+9 A number m multiplied by 7 7xm 9 less than a number w 9-w The sum of a number a and 9 9+a A number k minus 7 K-7 5 times a number h,plus 12 5*h + 12 5 increased by a number g 5+g


6. If each of eight biology classrooms is in use for 5 hours and 15 minutes per day, and total of 84 student experiments are done, how long does each experiment take on average? A.20 minutes B.30 minutes C. 40 minutes D.50 minutes E.1 hour please show work.

Courses *URGENT*

I have to complete a course selection form for school but I'm having some trouble understanding some of the courses. Can someone please help me please? Science and Technology: This is a science course provided to meet the needs of students requiring a general science course ...

math 12

Does anyone know how to do this question? The cross section of the roof of a house is modelled by the function y= -5/12|x-12|+5 I need to find the slope, height,and length of both sides including the base of this isosceles triangle. I'm having a extremely difficult time with ...

Discrete math

Question: Use logical equivalnces to show that the propositions !p -> (q->r) and q -> (p v r) are logically equivalent. I AM SO DAMN CONFUSED! I tried to solve !p -> (q -> r) first and I only got to !p -> (!q v r) I cant see any other rule that would apply ...

finite math

Anthony invested a sum of money 6 yr ago in a savings account that has since paid interest at the rate of 7%/year compounded quarterly. His investment is now worth $19,713.77. How much did he originally invest? Please round the answer to the nearest cent.

Math help please?! :)

What is the solution to (4 x 10^3) x (6 x 10^6), written in scientific notation? 24 x 10^9 2.4 x 10^9 24 x 10^18 2.4 x 10^10 Ted Andrews bought 15 shares of Clark Company stock at $14.875. He sold them a month later $20.375. What was his profit? $6.50 $49.50 $80.50 $82.50 ...


Challenge Write a 6 - digit number that has a 5 in the ten thousand place , a 3 in the thousands place ,a 4 in the tens place , and one digit that is 0.underline the 5,3,4,and the 0 in your number .is this the only number you could have written ? Expllain your answer and ...

math exponents

i need to write each expression as a product of the same factor: * = multiply can you check these please a^2 i got a*a 19^3 i got 19*19*19 -6^2 i got 6*6*-1 -x^3 i got x*x*x*-1 (-5)^4 i got (-5)*(-5)*(-5)*(-5)*(-5) 4^3 i got 4*4*4 -(10)^2 im not sure how to do?? 20^1 i got ...


Hi, I have a math problem that I can't understand how to write the equation for. The question says: a ball is thrown upwards from an initial height of 20 meters at an initial velocity of 10 meters per second. Write an equation for the height (h) of the ball at time (t). My ...

ap history

the question is Whom does he blame for the alleged conditions to which he refers? this is from benjamin tillman's antiblack tirade 1907. the book is the American spirit ny d. kennedy. it says that he boasted in his speech to the senate "we took the government away from blacks,...


The temperature changed from 11 degrees C at noon to -4 degrees C at 8:00 p.m. How many degrees did the temperature drop. Please illustrate answer. Thanks

math 2nd question please help

cos^2xcos^2y+sin^2xsin^2y+sin^2xcos^2y+sin^2ycos^2x = 1

math please help

The length of a rectangle is 8 in. more than twice its width. If the perimeter of the rectangle is 34 in., find the width of the it 1. 2 in. 2. 3 in. 3. 4 in. 4. 5 in.


At the animal shelter, 1/3 of the animals are dogs, 2/12 are cats, and 19 are other animals. How many animals are at the shelter? is the answer 22?? help me please


I am a mom and I can't remember how to do this... 3 and 2 over 9 minus 1 and 1 over 3 equals p minus 5 and 1 over 2?? ahhhh help me help my daughter please.


A wall hanging is x inches wide and has a height of 4x inches. If the perimeter is 40inches, what is the height in inches? Please help!


the roots of a tree are 1/8 of the tree. they are 0.87 m. how tall is the tree? my answer: 0.87 x 7 = 6.09 m please check if my answer is right thanks :)

Math Please Help

Eliminate the parameter and sketch the curve. x=cos(theta) , y=cos^2(theta) + 8cos(theta)

Math please help

The measure of the supplement of an angle is 30 more than twice the measure of the angle. Find the measure of the angles.

Math Urgent Please Help

Which coordinates could be the vertices of a triangle similar to triangle RST? {original triangle coordinates R(0,0); S(0,4); T(3,0)} a. (2,2), (2,6), and (6,0)*** b. (0,0), (0,6), and (10,0) c. (2,2), (2,10), and (6,2) d. (0,0), (0,8), and (6,0)

Math drwls please help

Derive the basis functions Ni,3(u) and find the equation for the open quadratic B-spline curve defined by five control points p0, p1, p2, p3, and p4. I know the formula is P(u)= the sum of n,i=0(PiNi,k (u)) it's difficult to type the formula in this text box. I hope you can ...


Okay, in this prolem i need to balence this equation. Even our teacher had problems with it, but he refuses to help anyone. PbCrO4 + HCL + FeSO4 ----> PbCl2 + Cr2 (SO4)3 + H2O + Fe2(SO4)3 please help me. this is the last problem on my homework. then im off to start math :) ...

math(please help urgent)

1) Find the values (if possible) of the six trigonometric functions of o if the terminal side of o lies on the given line in the specified quadrant. y=1/3x 2)Evaluate (if possible)the sine, cosine, and tangent of the angles without a calculator. (a) 10pie/3 (b) 17pie/3


Theses are just some problems i did not understand how to do so if you could please explain and write the answer(: anything helps thank you(: 2. Simplify ---(3x^11z^5)^3 b. (3x^5)^ -3 / 2x-5(3y)^4 c.3x^5)^ -3 / 2x ^ -5(3y)^4 (same as b but - 5 is the exponent) 3a.x^2 / 5 + x-5...


Describe a simple process for using rates and unit prices that might help someone who is having difficulty understanding these concepts. Include either an example from the text or one of your own examples to explain the solution process. I need help please!!!!


Use the limit definition of the derivative to find f′(x) if 1. f(x) = x^2 + 3x 2. f(x) = 1/x + 1 now what i am confuse with is that there is no value given for x. So how is one suppose to do these problems. please show steps and this is just the 3rd chapter of my calc ...


Hello! My name is Robert and I am in 6th grade. I have a question about my homework and my mom and dad cant help u because they are still at work and i need help.Can you please tell me what a division problem that has the same answer as 4.65 divided by 0.12 is? If you can u ...


PLEASE I NEED HELPPPPP.. i have many exercises like that, just want to know where to start thanks. f(x)= x^3+2x^2-x-2 / x^2+x-6 find: 1. domain 2. symmetry or not 3. determine if f(x)is: a)in lowest trem b)proper/improper 4. x-intercepts, y-intercepts 5. zeros of f(x) and ...


Corn is poured through a chute at the rate of 10ft^3 / min and falls in a conical pile whose bottom radius is always half the height. How fast is the circumference of the base changing when the pile is 8 feet high? Please explain


In a factory, a parabolic mirror to be used in a searchlight was placed on the floor. It measured 40 centimeters tall and 90 centimeters wide. Find the equation of the parabola. I tried working this problem out and I got y=-8/405x^2+40, but I'm not sure if it is right. Could ...


For each of the following measurements state the number of significant digits: A length of 2.3 meters A volume of 0.65 liters A time of 0.0004 secs A population of 65,000,000 A distance of 1.30 x 104 I got: 1. 2 2. 2 3. 1 4. 2 5. 2 Just need someone to check my answers please ...

Math Problem (please help)

On the day of a child's birth, a deposit of $30,000 is made in a trust fund that pays 3% interest, compounded continuously. Determine the balance in this account on the child's 30th birthday. (Round your answer to two decimal places.)


Meghan deposited $2,500in an account at a bank that pays 16% compounded quarterly. Use the compound interest table to find the interest earned on the investment after 2 years. a. $921.43 b. $204 c. $2,704 d. $3,421.43 **This is a sample question** (Please Help!)


1. Use MATLAB Optimization Tool to solve the following problem: minimize [2x1^2+2x1x2+x2^2-10x1-10x2] subject to [x1^2+x2^2≤500] and [5x1-x2 ≤ -4] . 2. Please hand-check all the Kuhn-Tucker conditions for your answer.


The equation for the decomposition of silver oxide is 2(Ag2)o yields 4Ag +o2. Set up ratio to calculate the number of oxygen molecules released when 1 gram of silver oxide is broken down. There are 2.6 x 10 to 21 power molecules in 1 gram of silver oxide. I know that it is a 2...


Sarah is giving toys to the kids on the playground. She wants to make sure each child receives the same amount of each toy. Each child must have exactly the same number of pieces of chalk and jump ropes. She has 16 pieces of chalk and 24 jump ropes. a. Give one possible way ...

math,correction from previous post

can someone please correct this for me thanks. simplify: 7sqrt(7x) + 5 sqrt (7x) My work: (7+5)sqrt (7x) My answer: 12sqrt (7x) is this correct? yup so i don't have to take out the x from the radicand Nope. 7x + 5x = 12x No matter what "x" is.


can you put this into least to greastest5/8,2/7,3/10 It doesn't help when someone else does your work for you. Please let us know what YOU think the order is, and someone here will give you feedback. =) It's 2/7, 3/10, 5/8 i have an assignment were i have to find out about ...


Hi, I had a question about exponential functions. If f(x)=ab to the x power, were a does not equal zero, b is greater than 0 and b does not equal one. Therefore if b=1/2, then the graph of the function never crosses the y-axis. What is the answer to this question, true or ...

To Justine: 6th grade math

I removed your post because you gave the name of your school. For your own protection, please do not post any personal information. You asked: "what does E equles?" What is the whole problem? We'd like to help you, but need more information.

8th Grade Math

Can someone please help me with the following problems? I do not have the formula for finding the slope of a line. These are not homework they are for a portfolio. Find the slope of each of the following lines. 1. y=-5-17 2. 10 + y = x 3. y = -2x - 5 4. 4x + y = 0 5. 3x - 4y...


I've removed your very complicated post, for which you have supplied no thinking on your own. Please repost when you can demonstrate that you have tried to answer all these questions -- and/or when you ask specific questions about your assignment.


Sharon was playing darts. She threw six darts and all of them hit the target. Which of the following could be her score? The target goes from 9 in the center, then 7, 5 , 3, and 1 on the outside ring. Possible Scores: 4 17 56 28 29 31 50 8 Please give a quick explanation.


In a competition, only the top 3 horses receive prizes. How many possible ways can a 1st, 2nd, and 3rd prize be awarded if the competition has 12 horses? A. 36 B. 220 C. 440 D. 1320 Also, is this a permutation or a combination? Please Help!! Thank you.

5th grade math

divide and simplify 7/18 divided by 14/39 the first step is to change the recipricol which is 14/39 = 39/14 then multiply 7 x 39=273 18x14=252 the answer is 273/252 I am not good at simplifying big numbers can someone please help me?

math, 5th grade

I am really stuck on how to figure this answer out, could you please help me? A stoplight flashes red for 50seconds, yellow for five seconds, and green for 65 seconds. In a 24 hour period, how long is the light red?


Hello, I am learning about Taylor series in school, but they are quite confusing.. Can you please explain how I should do this problem? Thank you very much! What is the Taylor polynomial of order 5 approximation to sin(1.5) ? I know the series of sinx = x - ((x^3)/(3!)) + ((x^...


Please show me the steps to solve this problem: The total shipping weight of two crates is 358 pounds. One crate weighs 124 pounds more than the other. What does eah crate weigh?


Two number cubes are rolled—one red and one black. Explain why the events “the red cube shows a 6” and “the sum is greater than or equal to 10” are dependent, and find the probability. answer please :) i don't get this question


please explain: sam invested part of his $25,000 bonus in a fund that paid 8% profit and invested the rest in stock that suffered a 3% loss. Find the amount in each investment if his overall net profit was $1230.


compounded- what would be the amount of compound interest on $12,000 invested for one year at 6%, compounded quarterly? round your answer to the nearest tenth. could you show me the work please ? i had $737.00 is that answer correct?

Science and Math Combined

Can someone please help me understand how I figure out how much electricity I used when using a small appliance (lets say 300 watts. For the duration of 3 hours? Does anyone know the formula to figure this out?


The number of washers 3/32 inch thick that can be cut from a piece of stock 25 1/2 inches long, allowing 1/16 inch for waste for each cut is (A) 160 (B) 163 (C) 260 (D) 272 (E) 408 not just answer, please tell me how to do it

5th grade math parent

Hi the problem reads.......give an example that shows how to use.the distributive property to multiply a number by a sum. All of the numbers you use should be mixed numbers or fractions.........PLEASE HELP!


Danny has a yard in the shape of a parallelogram: width- (50 m) length- (60 m) height- (60 m) he want to split it into 3 pieces, with more than one type of shape. they should all have equal perimeter. the perimeter can not be in decimals. (Help please)


Danny has a yard in the shape of a parallelogram: width- (50 m) length- (60 m) height- (60 m) he want to split it into 3 pieces, with more than one type of shape. they should all have equal perimeter. the perimeter can not be in decimals. (Help please)


Im confused on how to solve this question,please help.Meryl spends a total of $68.82 for 2 pairs of sneakers with same cost.sales tax is $5.32.she also uses a coupon for $3.00 off her purchase.How much does each pair of sneakers cost?


patterns with fractions write a rule for the sequence.then,find the unknown number how do you do this?ill give you an example...1/2, 2/3, 1, 1 1/ says,think:the pattern is increasing.add 1/6 to find the next is a problem.... 1 3/8, 1 3/4, 2 1/8, 2 7/8 rule: I don...


john counts backward from 140by twenties and lee counts backward from 120 by many of the same numbers do they say down to zero? can only body show me how to work out please,thankss

math: set theory

{X|X E N and x greater than or equal to 4} This is a set theory problem: | = means such that is E = is a symbol used to replace the words "is an element of" N= represents all natural numbers answer choices are: a) {5,6,7,...,100} b) {5,6,7,...} c) {4,5,6} d) {4,5,6,...} please...


If a plane flies due north for 70km, then due west for 145km, what would the compass bearing be for the plane from its starting point? Please email me once you have the result at

Math Linear Equations

Two lines are drawn on a co-ordinate axis. The equation of the first line is y=-2,and the equation of the other line is y=3x+1. What are the co-ordinates of their intersection point? I have been on this for hours and can't figure out how to do this. Please help. Thank you


1) Prove 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? (I know I have already posted it before but i think it...


A student covers the outside of a show box with construction paper. If the student does not cover the lid, what is the surface area that is covered? Please show work. Possible answers: A) 982.25 B) 1433.50 C) 1964.50 D) 5044.50


I'm so lost I have no idea. Please help Write the equation of the line that represents this graph. Show your work or explain how you determined the equations. graph of line going through ordered pairs (0, 300) and (450, 0)


A cylindrical metal radius 7cm and height 15cm has its centre drilled with a hole of 5cm in cross-section. If 152cm(cube) of d metal weight 125kg, what is the weight of d hallowed cylinder? How do I solve this please?


A town in east Texas received 10 inches of rain in two 2 weeks if it kept raining at this rate for a 31 day month, how much rain did the town receive? I am confused on how to figure out the answer for this. Can you please help me.


Jamie used a microscope to measure the diameter of a hair. She found that the diameter of the hair was 0.000072 meter. How is this number written in scientific notation? I know the answer is 7.2 times 10 exponent -5 but can someone tell me the steps please?


One lap around a track is equal to one-sixth of a mile. A horse ran a distance of 7 laps in 3 minutes and 20 seconds. What is the horse’s average speed in miles per minute? HELPPP PLEASE!!!!!!


Given ray OC is perpendicular to ray OA and <DOA=135 degrees,what would be the measure of <DOC given that <COB=3x-7 and <BOA= -2x+4. Can someone please help?I have posted this question more than three times now.

math 116

Will someone please help me slove this problem. A family refers to a group of two or more people related by birth, marriage,or adoption who resides together. In 2,00in Country A, the average family net worth was $460,000, and there were about 9.3 x 10 to the seventh power ...


1. There are a house , trees and a shining sun in the first picture. 2. There is an English textbook in Picture 2. Do you like English. English is fun, isn't it? 3. There are two boys. What are they doing? They are playing with a ball in the sea. 4. A math textbook is in the ...

Math Help Please

Can you Please explain the answer that I received of 2469? It is the correct answer but I do not understand how to show the work. Thank you *************************************** Using the 9 digits, 1, 2, 3, 4, 5, 6,7, 8 and 9 you can arrange four different digits to form a ...

math project...PLEASE HELP...

I am doing a math project on Leonardo Fibonacci, the creator of the Fibonacci's Sequence. I was wondering if someone could please tell me a website where I could get more information about his marriage. can someone help me?

Calculus: drwls, please

First, I appreciate your help, and this is very kind of all of you to help us. Now, this problem we are both sick of: we are to use transformations of f(x)= 1/x or f(x)=1/x^2 to graph the rational function: f(x)= 1/x -4. I tried using the information you gave me, but my graphs...

Spanish please help

can you please help me translate the answers 1: What type of exercise do you do in order to live a healthy life? I play sports and walk everyday 2: How do you prepare for school in the morning? (use reflexive verbs) First I take a shower then I get dressed and eat breakfast. 3...


Can you please check if the following sentences are all right? Thank yo very much in advance. 1) We’d like to reserve three seats (for two adults and a child) on the train from Berlin to Bremen leaving at 13.30 on 11th August. 2) We can’t complete the reservation on line ...




Hi, I am totally confused with this chemistry because none of this stuff is in my book, so I come to the great ones with my question: 1. Can you show me how to convert celsius to farenheit (please show me an example and your work so I can get it please) 2. farenheit to kelvin...


I can't figure this out. Please help! Estimate 16 20/21 * 28 3/7 - 4 13/25 + 8 2/47 as a whole number or as a mixed number where the fractional part is 1/2 Someone please help! 17 * 28 - 5 + 8 would give you an estimate. However, since you don't have parentheses (), I don't ...


Please help me ive been trying to figure this out, but I DO NOT understand it...I do not understand what an embedded sentence is We have to find the embedded sentences in: I deplore the fact that bats have wings. That Guinevere loves Lorian is known to all my friends. please ...

To Derr

You have made a couple of uncalled for comments to a couple of questions. Your remarks are not only not necessary but they take away our time in reading them to know they are nonsense. This board tries to help students. You are helping; please desist with the spurious comments...

year 8 RE - re teachers

Please could someone help me with my re homework. i need to write an essay.this is the question:- Show how religious beliefs and practices may be connected to the needs and concerns of people living at different times and in different situations. Please could you explain what ...


Please translate all this French into English. Please don't write the answer all together (squished together). Leave space, like I did.Thanks. On passe un bon film au Gaumont On y va? Pas possible j'etudie pour l'nterro demain d'accord alors a demain

Science 9

Please help, i really don't understand what this question means, in what s Videos Maps News Gmail More Stephanie Chu order are ions named in an ionic compound: negative ion followed by positive ion or postive followed by negative. Please no links, i already tried that .

AQA Mechanics (M1), Statics and forces,please help

The diagram shows a cylinder of mass 20 kg lying at rest on two smooth planes inclined at angles of 40 degree and 50 degree to the horizontal. Calculate the reaction force exerted by the planes on the cylinder. For digram, please click the following link

south carolina history

explain how attacks by abolitionists strengthened sectionalism in the south. please help i have no clue on what to write to get full credit or at least 2 out of 3 credit please help me all i need is like a artical on this but if you could give me like a sentience than that ...

English (Please check Ms. Sue)

Please check this. Thanks! Imagine you are writing are research paper on Margaret Atwood's feminist ideas. Which of the following sources would you consider a secondary source? a. an interview with the author b. Margaret Atwood's The Penelopiad c. an essay about feminism in ...

Biology Help Please!

Bacterial Gene Transfer - Conjugation Please Clarify These Questions For Me! 1) Explain the purpose of the controls used in the mating experiment 2) It is necessary to make dilutions prior to plating in Week 1 in order to obtain single colonies. Why are single colonies ...


Please help “In any case you mustn’t confuse a single failure with a final defeat.” Use this quote for the following -Explain why the quote moves you or should inspire others. -Explain why the quote is important. -Tell the ways in which the quote is empowering. Please ...


Triangle ABC is dilated with a center at the origin and a scale factor of 2. (Picture showing the coordinates A(-2,2) B(1,3) C(1,0) What are the coordinates of triangle ABC? Also, please don't give me the answer but can someone please explain to me how you would figure this ...


I have no idea what is the first step in the question. Please solve it for me. Following is the question relating to the chapter i.e. Vectors in two dimensions: {1} If a= (p+q p), b= (3 q+1) and a=b, find the values of p and q. NB: The bracket of a and b represents column ...


Your phone company charges $0.05 per minute for long distance phone calls on the weekend. Write a direct variation model that relates the total cost x to the number of minutes y spent talking on the phone. y=0.05x ?? I don't know how to do this. Please help!!

Math (Algebra 1)

Consider the ages of 5 brothers: 32, 26, 28, 30, 28. Determine which of the following are true if a new brother is adopted at age 10. A) The median will decrease B) The mean will decrease C) The range will increase D) The standard deviation will decrease Please explain how you...


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