# Math(Please help)

183,433 results, page 48

### Alzheimer's Disease...help please!

Are there any websites where I can go too for treatments there are for Alzheimier's?PLease help!(It can not be a . com webpage) This is the website for the Alzheimer's organization. www.alz.org/

### mat 117/algebra

Find a value for k so the 9m^2-kn^2 will have the factors 3m + 7n and 3m -7n. Please show me how to get this and show the work please. Use that (a-b)(a+b) = a^2 - b^2 So, you can read-off that k = 49.

### AED

help please. I need Interpersonal Development characteristics for infancy which is birth till 2 and i need it for earl childhoon which is 2-6 yrs of age please.

### Chemistry

please I need help with this. what is the difference between molality, normality and molarity? and adhesive forces and cohesive forces? I am very confused. please help thanks

### english help please

in the short story "gregory" by panos ioannides why does the author choose to use the title Gregory can someone please help me with the question thank you

### Algebra (please help!)

Pretend the parentheses are absolute value bars. Solve: (x+5) < 5 The choices are: a. -10 < x < 0 b. -5 < x < 5 c. -10 < x < 5 d. -10 < x < 10 I'm not sure how to solve this and how the answers relate to the question. Please help if you can! Thank ...

### Science

good day! can you please give me the wave explanation for colors? i need it for my report tomorrow. i need an immediate answer please!

### algebra check + help please?

How do I solve this? -90>( with an line under that sign) 4T I think you flip the sign or something? I'm not really sure.. Could someone please help?

### Pre Algebra

Find the Original Amount: NEW AMOUNT: 210 75% INCREASE **please help me as soon as possible and explain steps please!**

### Maths

The product of two consecutive positive numbers is 42 Find the numbers Please write this problem in quadratic equation form please

### Algebra II

Hyperbolas: Could someone please tell me how to determine if the following indicate the foci are on the x-axis or the y-axis? x^2/4 -y^2/16 = 1 x^2/49 - y^2/9 = 1 x^2/36 - y^2/16 = 1 please explain how to set the equations up thank you

### spanish

How do you say "This special is only valid today" Please don't use google translate or another translator. Please answer if you are fluent in Spanish.

### Help me please I dont know this quation

How to affect lattice energy,charge on the ion and radius of the ion, the solublity of the substance. please if it is possible with example

### Algebra 1

Help me please. y=2x x+y=0 im working on solving systems by graphing. I don't know how slope work yet, right now we working on x and y intercepts. I'm Lose please help

### please help me

It takes Omar four minutes to eat eight carrot sticks. How long does it take him to eat one? Please answer and explain.

### Spanish

Please list Typical foods of Costa Rica. Please answer. I need this in 1 hour. Thank you for persons who answer this question in advance.

### Algebra 2

Please help me solve and find the excluded values for this problem. Also please show me the work for this problem I want to learn!@!@!. 49X^6+7X^7/28X^8

### Algebra

Please check and see if my answer are correct 1). 24v^2w^5x^8-20v^7w^9= -4v^2w^5(5v^5w^4-6x^8) 2). 81-25z^2= (5z+9)(9-5z) 3). 5y^3-7y^2-15y+21=(y^2-3)(5y-7) 4). x^2+4x-12= (x+6)(x-2) 5). 3x^2-26x+16= (x-8)(3x-2) 6).4v^6+6v^5-18v^4= 2v^4(2v-3)(v+3) 7). solve for y y^2+6y+8=0 y...

### science please help

Help please. According to the following diagram, approximately how much time goes by between phase H and phase B? explain your answer.

### Maths

A median of a number is 5. A mean is 5. They're five different numbers. They're not integers. Workout the numbers. Please help me I got a test tomorrow please!:)

### precal Please Help

1-cos (2A)/2sin A+ SIN (2A)= tan (A/2) I need to verify the identity I have no idea how to do that and I have a test please explain!!!

### algebra check please

a=-2 b=5 c=-4 d=6 question is b^2-2bc+c^2 see if i did the steps right please (5^2)-(2*5*-4)+(-4^2) (5^2)-(10*-4)+(-4^2) (5^2)-(-40)+(-4^2) 5^2-(-40)-4^2 25-(-40)-4^2 25+40-4^2 25+40-16 65-16 49 No. Minus four squred is positive sixteen. eighty percent of 280 is what number? ...

### Biology help

please can someone help i need to know the difference at telophase 2 of meiosis if their had been a crossing over at a postision halfway between the huntingtons disease genes please im finding this last question hard

### chemestry

I need serious help on this....please help guys.. i've to turn it in in an hours... Balance th following equation in acid Solutiong and determind if it is spontaneous under standard conditions. NO3^-1 + Sn^+2 ---> NO + Sn^+4 Please do not post duplicates.

### English

can you PLEASE give me a simple sentence with the following words;- claustrophobia arachnephobia agoraphobia archeology biology geology zoology telephone television telepathy Please reply. This is VERY important.

### Algebra--please help!

This one, I am very confused on and I have no idea how to solve. Please help explain it so I can understand it. Given that the positive integers a, b, c, and d satisfy a/b < c/d < 1, arrange the following in order of increasing magnitude: b/a, d/c, bd/ac, b + d/ a + c, 1...

### :( please help answer cal problem

Use lagrange multipliers to find the max and min values of the func f(x,y)=xy subject to the constraint 1=(x^2)/8 + (y^2)/2 I know how to set up.. i got y=Lx/4 and x=Ly now im lost!!! Please help with detail because im an idiot.

### social 10

Historical Globalization & imperialism Should the Europeans have tried to change the beliefs of thr people in their colonies during imperialist times? could you please give me some reasons. Please help

### English

I have to create a character sketch of nernard from aldous huxley's brave new world. Please help me with the topic sentence the three traits and quotations!! Please!!! Your help is very much appreciated!!!

### media

can someone please explain why there are advertisement on the webpage, which are very interrupting...like dating women.. whoever set this programme up can you please get rid of it as this is for educational purposes not for promoting sexual relationships!!

### MEDIA

can someone please explain why there are advertisement on the webpage, which are very interrupting...like dating women.. whoever set this programme up can you please get rid of it as this is for educational purposes not for promoting sexual preferences!!

### Chemistry Help Please

Using standard thermodynamic data from Appendix L of your text, calculate the equilibrium constant at 298 K for the following chemical reaction: CO(g) + H2O(l) CO2(g) + H2(g). Show work please! Thank you!!!

### alegebra 1

the question is a diamond problem and it already gives you the sum of 24 on top and -11 on bottom can someone please help me? I would really appreciate it! ( please do not give me the answer just need some pointers)

### 6th Grade World History

Hi, can someone please explain me this: What caused the shift from Hinduism to Buddhism? *Note: I'm learning about Ancient India. Thanks and I don't have too much time so please hurry. Thanks :)

### Chemistry urgent please

How much mL of dilute nitric acid is needed to add in control solution in chloride limit test in sodium hydroxide sample???can u please give me Answer urgently??

### Science please help

12. Measure the temperature of two unknown samples with your thermometer 13. Record both temperatures using the scale on the straw. please help ive been stuck for about 1 hour and a half

### sentences

Please note that we don't do students' homework for them. Once YOU have tried to write a sentence for your assignment, please re-post. Then someone here will be happy to give you feedback. =) who can you put a sentence that has including eveyone including everyone can you find...

### radical equation please help!!!

sqrt(1+x) -sqrt(1-x) = sqrt (1-x-sqrt(1+x)) Please help This question is..... . . √(1+x) - √(1-x) = whole root under OR √1-x-√(1+x) Please help me

### Math

5x{(24-19)x {(25+23)/12-(9-7)} 48 / 12 4 - (2) 5x (5) x (2) 25 x 2 = 50 Did I work this correctly? Please Help!! It doesn't come across real clear as to what the original equation was. Did you use the Orders of Operations (PEMDAS) when you solved it?

### math

please help me to perform the indicated operation.15-20/(3)(5)-15 You need additional parentheses or brackets to clarify the order of operations. For example, 15-{20/[(3)(5)]}-15 = 20/15 = 4/3 (15-20}/[(3)(5])-15 = -15 1/3 15-[20/(3)](5)-15 = 100/3 (15-20)/[(3)(5)-15] = -infinity

### MATH!!

Find equations of both lines through the point (2, -3) that are tengetn to the parabola y=x^2+x i got the derivative as y prime = 2x +1, and i don't know where to go from there. PLEASE HELP this is due tomorrow!!!

### Math

Factor each expression. Please show me how to do it. Thanx 8x^2-10x+3 15X^2-x-2 8X^2-18X-5 2x^2-5x-88 3x^2+43x-30 3x^2+7x-2 10^2-89x+156 4x^2+11x+13 3x^2-42x+147 5x^2-20x+20

### math - algebra

Please help with this question: Rewrite the middle term as the sum of two terms and then factor completely. 10x2 + 19x + 6 it is for a test...thanks

### math

please help how do you figure out the compound interest on $8,000 invested for one year at 6% compounded quarterly. rounded to the nearest dollar

### Math--kind of

If someone was born on March 14, 1879 (A.D.) and died on April 18, 1955, how long did they live for (years, months, days, please)?

### I HAVE A MATH TEST TOMORROW HELPPP PLEASE!

im not sure how to find the first four terms of each arithmetic sequence tn=4+(n-1)(3) helpp me pleasee!

### I HAVE A MATH TEST TOMORROW HELPPP PLEASE!

im not sure how to find the first four terms of each arithmetic sequence tn=4+(n-1)(3) helpp me pleasee!

### 4th grade math

I have to rearrange these letters CTEXINING to form a word describing mathematics. Could someone please help. I can't figure it out.

### math 116

-x/9=1/16 This is suppose to be solved using the multiplication principle. If possible please show me not just the answer but how you came up with it so I understand how to do these problems. Thank you

### Math/Algebra

Does anyone know how to graph quadratic functions (with parabolas). Could someone please help me!!Could you help me with these two problems don't forget to make a chart for x, the equation, the y, and the coordinates. 1. Y=2x^2 2. Y=-5x^2

### Social

Rank them from the most importoant to the least important 1. technology 2. trade and commerse 3. math, science, and literature 4. division of labour please and thank you

### math

how would you find the angle to (3)^.5sin(2x)-2cos(2x)+2sin^2(x)=1 I know that you have to use the trig identities but then when i substitue the sin and cos(2x) in i don't know what to do. please help

### Math

I used front end estimation without adjustments on this problem: 73,811/462=165. Is this right, if not will you please explain what I did wrong?

### math

I need to check my answer... please help... the prime factorization in powers of primes of the number: 16380. 5460 to the power of three is this correct

### math

Can you please tell me if I did this right? Or am I way off: What are the odds in favor of getting at a head and a tail in a single toss of two coins? HH TT HT TH 2/4=1/2= 2:1

### Math

Determine an equation of the circle that is tangent to both axes, has its center in the fourth quadrant and passes through the point (8, -9). Help please? Thanks much!

### To Alex - re Math

Your umpteen posts been removed. Once you write up YOUR THOUGHTS, please re-post, and someone here will be happy to comment.

### math

how do i put fractions in order from least to greatest? it's on my homework and i am totally lost. i forgot because i learned this like 2-3 years ago. please help me!

### math-PLEASE CHECK

using the pythagorean theorum you have a right circular cone with a radius of 3 and height of 6 is this how you would figure this out c^2=3^2+6^2 c^2=9+36 c^2=45 c=6.7

### math

can you please work this out for me??... your bedroom is 4m (400 cm) long and 3m (300 cm) wide. If you draw a rectangular plan 2cm by 1.5 cm, what is the scale of your drawing?

### math

please help ive look at this question for hours and got no where. find the radii of the 2 circles which have their centre at the origin and which touch the circle x^2 + y^2 - 8x - 6y + 21 = 0 ?? thanks for the help

### math

please help ive look at this question for hours and got no where. find the radii of the 2 circles which have their centre at the origin and which touch the circle x^2 + y^2 - 8x - 6y + 21 = 0 ?? thanks for the help

### math

A(-1,-2) B(7,2) show that the lenght AB may be written in the form p root5 wjere p is an integer to be found?? is then ans just 4root5?? if not hep please thenks

### math

Robert feeds his dog 1lb.4oz ofdog food a day. How long will a 40 pound bag last? Please show steps

### Math

How many distinct permutations of the letters of the word OTTAWA being and end with the letter T? I did 6!/2! :S but i get 360. I tried 6P2=30 I am getting it wrong... help please.

### math 2

4p squared by 2 plus 8p equal zero?? HELP ME OUT PLEASE THIS THE ONLY QUESTION NEED TO BE ANSWER... SOMEBODY REPLY TO THIS FOR ME ITS QUADRATIC EQUATION... THANKS

### Discrete Math

Congruence True or False: (give reason) _ __ 2 ∈ 18 (mod 8) Can someone please help with this problem? I'm confused. . . Thanks for any helpful replies.

### MATH(please check only)

Number of Cans of Corn Cost 3 $1.95 5 $ 3.25 6 $3.90 9 $5.85 Write an equation to represent the data how do i do that I think the answer is 0.65n = c

### Math

(19 − 8) mod 5 is the problem. I know nothing about modules, can anyone please help me out? I don't even know the building blocks for mods and what the differences are between them.

### Math- Problem3

Solve the following inequality and write your answer using interval notation. Please show all of your work. (1 / (x+8) ) ≤ ((8-5x)/43)

### Math PLEASE HELP!!!!

In march 2005,about 35,200,000 immigrants were recorded as living in the United States.What place was this number rounded to?

### algebra

I am not good at math at all and my teacher has given me a very hard question about solving for the indicated variable. p=s+t+u solve for u Help please

### Math PLEASE HELP ME!!

Mike receives a 9.8% raise. He currently earns $1,789.46 per month. Estimate the amount by which this monthly earnings will increase.

### math

There are 5 cards numbered 1,2,3,4,5 in a bag. There is also a fair coin that is tossed what is the probility P(odds,Tails) I think it is 3/10 but not sure. Please explain this to me.

### 7th grade math

For these two problems, you would need to find the slope and y intercept and then write the equation in equivalent to ax + by + c. y=3x y=0 Please help and explain how to do it. Thank you

### Finance/ MAth

find the balance after 15 years of a $2500 investment earning 5.5% interest compounded continuously Someone show me how to do this, please?!

### Math - Functions

Please help! I have a test tomorrow. I've been working on this forever and just can't figure out the equation. Inputs X - 0, 3, 6, 9 Outputs Y - 1, 2, 3, 4

### Math

Which of the following CANNOT be the average ( arithmetic mean) of four positive even integers? a) 1 b) 2 c) 6 d) 9 e) 17 ( please explain or show work. It will help me understand it better! Thanks)

### Math

Show that the inverse function of y=x^2-2x+5, x≥1 is f^-1(x)=1+√x-4 Help me please i've been stuck on this question for a few hours and i've lost hope. argh.

### 7th grade math help - quick, please.

Write each number in scientific notation. 1. 4,800 2. 17, 200 3. 180,000 4. 343, 502

### math

john worked from 8;15 to 2;30 from monday to friday if he is paid twenty four dollars per hour calculate his monthly salary please help me

### Math

Find the area under the standard normal curve: I. to the right of z = -2.32 II. to the left of z = -2.32 Can someone please help me with this one question? Thanl you in advance.

### math

please explain how to use hundreds chart to answer this queston;WHAT % OF THE NUMBERS ARE MULTIPLES OF BOTH 2 AND 3? i have no idea how to work it out, thanks

### math

Calculate the future value of S of an annuity using the following formula: S =R(1+i)^n-1/i) given R=250,i=0.001;n=13 please show the workout thankyou

### math/chem

If aluminum foil has a density of 2.70 g/ml, then how thick would be a 2.22 g sample of foilif it measures 5.0 cm on each side. PLEASE SHOW WORK THX!

### Math

Please check my answers, which are at the bottom of each question...:) remove brackets a) 4(a+3) d) 5(2+d) 4a+12 10+5d b) 3(2b+2) e) a(3a-6) 6b+2 4a-6a c) 7(3c-1) f) 2(x+y) 21c-7 2x+2y simplify the following: a) a+a+a+a d) a2 xa3 4a a5 b) a x a x a e) 3y+6z+2y-4z a3 5y+10z OR ...

### Math

Please help me solve this!! I'm really struggling with this topic Write an equation in slope intercept form that is parallel to the following two points: (-1,4) and(1,5)

### 5th Grade Math

Question: Each face of a prism other than the bases is what two-dimensional shape? Please help I'm really confused and need help.

### liberal arts math

Put the equation below in the form ax^2+bx+c=0. -x^2+3=(4x+1)^2, I've been stuck on this for the past hour, could someone please explain how to do this problem?

### math (check please)

find the volume of a square pyramid with a base length of 9cm and a height of 4cm. ANSWER: 108 cm^3 (is it right?)

### math (2)

Find the area of the shaded region y= 2x/(x^2+4) from x= -1 and x= 1 Note: People have been telling me that the two lines do not intersect but they do there has to be an answer. please help me. Thanks

### math (2)

Find the area of the shaded region y= 2x/(x^2+4) from x= -2 and x= 2 Note: People have been telling me that the two lines do not intersect but they do there has to be an answer. please help me. Thanks

### Math! Please check!

Okay, this is the link but without the spacing:::: h t t p : / / t a k e e x a m . n e x t . e c o l l e g e . c o m / e c / c o u r s e s /4 6 1 2 2 / C R S - M T H 2 0 3 A- 3 9 5 0 2 5 8 / G M T _ Q 1 1 _ 2 . b m p What is point P in triangle XYZ called? A- centroid B- ...

### Math

Please Help!!!! Christine borrowed $8000 at a rate of 11%, compounded semiannually. Assuming she makes no payments, how much will she owe after 8 years?

### math

please can you explain this to me I don't understand! Find the value of the following 10! 11! over 7! 13! If your answer is not an integer, write it as an exact fraction. thank you so very much

### Math Help

Hi! Can someone please help me with these? Thanks! :) Directions: Look for the direction angle for vector v. If necessary, round your answer to the nearest tenth of a degree. 1.) v = 8i - 10j 2.) w = -4i - 3j

### math

i have to find the surface area of a cylinder with the height of 15 and the circumference of 4 to the nearest tenth of a square unit and cannot figure it out HELP PLEASE

### Math

Find two consecutive odd integers such that the sum of four times the larger and twice the smaller is 194. Please help! Thank you!

### Math

Of 20 scores, 19 are less than or equal to 10. Find the percentile rank of 10. They don't give you the exact number of tens so i don't really know how to do this? Could someone please explain?