# Math(Please help)

186,076 results, page 39

### Project help.

Please help. I need to find a picture showing the theme of the book of Jonah. Please help. thanks Thank you for using the Jiskha Homework Help Forum. Here you go! 1.

### biology

please could somebody point me in the right direction here... i need to find out why xylem is described as a tissue... please could someone help me!

### education

I needs some help please, I need to create a list of the top ten characteristics of a multicultural school environment. Could someone help me please?

### PLEASE HELP ME!

Rewrite each polynomial as the product of two binomials. 1. y^2 + 6y + 9 2. 25x^2 - 10x + 1 3. 36 - y^2 I don't understand how to do these problems, especially what the direction is telling me to do. Someone help me please?

### Algebra (please help!)

Find an equivalent inequality with absolute value #1: -5 < y < 5 #2: x < -4 or 4 < x I'm not sure at all how to solve this problem. Please walk me through the process. Thanks!

### english

when the legends die by hal borland when tom reflects that he succeeded in killing the past, what does he mean? why did he need to kill it, and how did he? please please help me .

### science

hi can someone please help me. I need a scientific article with an author that is about ozone depletion. I have been looking forever. Please help thank you

### Algebra.. please help

Please help. I have been trying to figure this problem out for an hour now. Solve the following system of equations. X + 8y = 5 (1) x=8-8y (2)

### Algebra 2 URGENT PLEASE HELP

find an equation of the linear function f using the given information. please show all steps and work f(-1)=1, f(1)= -2

### Chemistry

I..don't understand any of this: 43. How many moles are in 25.0 grams of potassium? Show your work and round your answer to the appropriate number of significant figures. Please, please help with this! Thanks -MC

### calculus

can someone please help me with these 3 questions: 1) Evaluate the limit. lim_(x->infinity) (ln(ln(4 x)))/(4 x) 2)Find y ' and y ". y= ln(5 x)/x^7 3)y =(arctan)(x - sqrt(1+x^2)) for this question i got y = -1/(2(1+x^2))which was wrong. Please and thank you!

### Biology/help please

I am a being from another planet, please explain to me which is alive: a clock or a fish? Compare the two, similarities and differences.Can you help me answer this question ? thank you.

### Calc

The total area enclosed by the graphs of y=10x^2-x^3+x y=x^2+19x Please Please help me solve this. I have done it amny times, but getting it wrong

### 7th lang arts

Hi! Um.. What is the synonym of length? Please choose from this list: acute duration fidelity headstrong pacify refute Please help!!! Thank you!!

### Science

Please Help Thank you. If you had to argue the benefits of wind energy, what would they be? and What are the risks? can you please answer these question in 120 words or more Thank you.

### Physics

How long would it take a fighter jet to accelerate from 0 to 250m/s if the force from the engine was 180000N and the mass was 10000kg ? please help please

### English please help

please help if my ansers are correct. 1. substantive -first 2. copyeditng-second 3.proofreading-third 4.revising-fourth thank you very much

### Algebra(please help)

Will someone please help me withthis question I couldn't solve it. What is the length of the segment whose endpoints are A(2, 3) and B(10, 7)? a)2 Sqrroot29 b)2 Sqrroot41 c)4 Sqrroot2 d)2 Sqrroot5

### mathURGENT!!!!!!

what is the greatest value of m such that 25!/5^m is an integer? hint: the exclamation point means "factorial". 3!=3*2*1=6 4!=4*3*2*1=24 etc. please answer and explain how you got it!!!!please???

### statistics-PLEASE HELP quick

I have less than 24 hours to find the binomial probability of P(20<x<23)= and P(x>23)= if n=30 p=.23 u=6.9 q=.77 and the standard deviation is 2.3 can someone please show me how to get the outcome they want?

### Science ~ Structures and Properties of Matter

How do the principles of convection, conduction, and radiation explain how the water in the saucepan gets hot? Help ME PLEASE! PLEASE

### Help please, :)

I was wondering who won the French and Indian War, I decided to ask my mom, and my little sister says.. George Washington!! well, I know that isn't the answer, haha, help please?

### English

Please check for any errors. If there are some errors please correct them for me. When you were in my office last Tuesday, you stated that you wanted to alter your will to include two additional heirs. I have now prepared a will in compliance with your instructions. Please ...

### ENGLISH

Please check for any errors. If there are some errors please correct them for me. When you were in my office last Tuesday, you stated that you wanted to alter your will to include two additional heirs. I have now prepared a will in compliance with your instructions. Please ...

### ENGLISH

Please check for any errors. If there are some errors please correct them for me. When you were in my office last Tuesday, you stated that you wanted to alter your will to include two additional heirs. I have now prepared a will in compliance with your instructions. Please ...

### Statistics / Math

If a student is chosen at random, find the probability of getting someone who is a man or a non-smoker. Round your answer to three decimal places. non regular heavy total man 135 64 5 204 women 187 21 9 217 total 322 85 14 421 Answer in decimal (round to nearest 3) Please help...

### very hard math question Help

Accoring to the info below, calculate the invoice total please show all your work and explian thanks ________________________________________ Customer Invoice ________________________________________ Stock# Quant Unit Item Uniit Price 24795 150 ea calculator $10.63 32678 150 ...

### EDU310

please help me with this two questions I am in the hospital because i have a car accident please help 1- There are many groups that influence education in schools today. Who are these stakeholders and how do they impact the way children are educated in America. 2- How has the ...

### ART

i need to describe my public identity by drawing. can you please give me some ideas? please? i want to know your public identity so that i understand mine. i don't know anything ... but is it ok if i say, i catch the bus to school everyday and i like shopping... i don't know ...

### math

please check my answers 1.which is smallest 5/8,3/4,9/16,7/8 =9/16 2.subtract 6 3/10-4 11/15=1 17/30 3.estimate 6 1/8* 7 4/5=48 4.lcm of 20,32=160 jon spent 1/3 of his study time doing math and 2/7 preparing for history exam. what fraction of his study time remains? = 8/21 5....

### math please

Add or subtract exponents? I don't know when to add or subtract it's all confusing. 100^12/100^8 A.100^12/100^8 B.100^96 C.100^4 D.100^20 If I added it would be D If I subtract it would be C Please help I don't know which one is right. Thank you

### 5th math

what is the least common multiple (LCM)for 15 and 45? There are 16 girls in a class of 36 student. which expression could be used to determine the number of boys (b) in the class? please! help i think this too hard for 5th grade math. this suppose to be for 10th or college ...

### 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

I posted these 2 questions a couple of days ago and although the help I received would have been more appreciated if it didn't come with an underhanded comment, I did see where I made my mistake with the first question, however I would like to know with the second question, ...

### 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...

### IS ANYONE IN THIS WEBSITE? I NEED HELP MATH H.W.

NIMI HAS 59 CANDIES.SHE GIVES HER FRIENDS SOME CANDIES. SHE GAVE 10 CANDIES TO HER FRIEND SARA AND 15 CANDIES TO HER FRIEND ANITA.HOW MUCH DOES SHE HAVE LEFT? COMMENTS: I AM IN SECOND GRADE. PLEASE HELP ME WITH MY MATH HOMEWORK. THANK YOU! 59 -10 -15 = (you answer)

### Math

This math problem is somewhat tricky. It says to write a pair of decimal division expressions, so that when you estimate and compare the quotients, you get 9>3. The below is what I thought of: 18.2/2 and 30.3 divided by 10 18.2 is rounded to 18 so then 18/2=9 30.3 is ...

### Math

This math problem is somewhat tricky. It says to write a pair of decimal division expressions, so that when you estimate and compare the quotients, you get 9>3. The below is what I thought of: 18.2/2 and 30.3 divided by 10 18.2 is rounded to 18 so then 18/2=9 30.3 is ...

### 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

simplify -cd^-4e^-1 please specify parentheses or at least separate them so i know which groups fall under which exponents.

### math

how to solve this equation: 20 8 4 4 = 18 20 + (8/4) - 4 = 18 :) I do not understand the 8/4 part on this answer? Please clarify Count . 8/4 = 2 if you add that to 20 you get 22 and if you then subtract 4 you get 18.

### Please Check My Math Work

a^2 - 2ab - 15b^2 This is what I got: (a-5b)(a+3b) Correct! x^4+2x^3-4x^2-5x-6 DIVIDED BY x^2+x-2 My answer: x^2+x-3 remainder of -12\x^2+x-2

### Math(PLease Check)

m-2 m+5 --- * ---- m-5 m-2 *I got : m+5 ---- m-5 you're absolutely correct. the m-2's cancel out and you're left with m+5/m-5 thank you hopefully you can help me with the others...

### Math Help 222

x^2/x-4 - 7/x-4=0 *Please solve the rational expression. multipy both sides by (x-4) then you have x^2-7=0 x= +- sqrt 7

### math/algebra

I keep confusing myself. Please check and show me where I am mixed up. (8+ ã48)/4 = (8+ ã(2 .24))/4 =1+2ã6 where am I missing it?

### Math

How do you do unit rate? my teacher is really mean & yells when we ask questions like this. please help me outtt !!

### math

Please can someone help? 3/(x-7) + x^2+5x My answer is: x^3-2x^2-35x+3/(x-7) Is this right? I converted x^2+5x so that it had a common denominator of x-7 so I could add them.

### math

How would you express f(x) = cos3(x) in terms of first powers only? Please explain the steps

### math

How would you express f(x) = cos3(x) in terms of first powers only? Please explain the steps

### math

can someone check my answers please subtract -7.1-(-8.3)= 1.2 multiply (7.6)(1)(-6) = -45.6 divid 90/18 = 5 find the reciprocal of 1/3 (9-4= 5/3 -15-(-12) ---------- -18-(-18) undefined

### Math

could someone please tell me when you are preparing an income statment , to calculate groos margin. you must do what? thanks :)

### Math

could someone please tell me when you are preparing an income statment , to calculate groos margin. you must do what? thanks :)

### Math

Ok, I have this problem that I'm really stuck on: This is it: Find each unit rate: 20 mi in 5 h. Please help I need this by tomorrow!

### math

Can someone please help me with my previous question? I'm not sure what window to use for the equation I previously wrote.

### Math

Please help me Place each of the following sets in ascending order 3/7, - 6/7, 1/7, - 1/2,2/7 Perform the indicated operations (-9)(5) / -3 16/(-2)*(-4) / 2*2*2+4 4-(-3)+1 / 2-2divide(-2)

### math

I need help with a question... In this case k and l are parallel lines and contain the given points of: k=(2,5),(8,14) and l=(5,3),(11,y)... how do I calculate for y? Please help!

### Math 116 algebra please check

Solve using the multiplication principle. -4x > 1/11 The solution is x > -1/44 Is this correct

### math

Find the perimeter of a right triangle with legs of 20 cm, and 21 cm. a.882 b.82 c.70 d.47 I have no clue what to do. Can somebody help me with this please?

### MATH

IM CLUELESS PLEASE EXPLAIN IM GONNA TAKE A TEST THANK YOU 3A2B+2A2B2AND-AB2+A2B2?

### Math

I need some urgent help with two simultaneous equations urgently please...Show working. 3a-b=9 2a+2b=14

### math

y=-7/10x-10/7 find the slope and y-intercept can someone please hlp, and explain how you came up with the answer

### math(Please help!!!)

In acute triangle ABC, segment AD is an altitude, the measure of angle ADB=2x^2+40, BD=9x-3, and DC=6x+15. Find BC.

### math(Please help Urgent!!!)

In triangle ABC, D is the centroid and M is the midpoint of segment AC. If BD=10 and DM=2x+1, find MB. Answer choices: 2 , 9.5, or 15.

### math(Please help Urgent!!)

In triangle ABC, D is the centroid and M is the midpoint of segment AC. If BD=x+9 and DM=6, find MB. Answer choices: 9 , 3, or 18.

### math

keep trying to solve this one but canceling out x. i know x=-2 but i'm not quite sure how to get there in steps? 5^(2+3)-5^(x+2)=4 please help!

### math

Can someone please check my answers? Thank you! 1. is (-8,-9) a solution of 2x+4y=12 No 2. Solve using the multiplication principle. -1/2x=-9/10 answer: 9/5

### math

Please help. the question is: Estimate the quotient. Tell what compatible numbers you used 817 divided by 4

### To Happy --

Please repost your math question -- and remove Ms. Sue's and my screen names from YOUR NAME'S space. Thanks. =)

### math

please answer this question? Round off to the nearest half hour:14 hours and 54 minutes.

### 6th grade math

i need some help with determing surface areas of rectangular solids please. thank-you

### Math

Please help with this problem! What is the positive three-digit integer that is four times the product of its digits?

### math

5 coins are dropped on the floor. find the probability that they will all land heads up. please help me solve!

### Advanced Math

Find the principle root (-64)1/6. Express the result in the form a+bi. (2i)^6= -64 = (-64)1/6= 0+2i I got it wrong, please help.

### Math

Calculate the distance between the points -2/3 and 3/4 on the number line. Please show how you come to the answer.

### math

Find all the zeros of the function. t^3 - 3t^2 - 15t + 125 Please explain. I am very confused on how to do this!!

### Math

use the properties of logarithms to simplify the logarithmic expression. log10 (9/300) Please explain!!

### Math

Can someone please explain this question? What would be a brief scenario of a continuous probability distribution? Thanks for your help.

### math

Find the first and third quartiles, Q1 and Q3, of the following set of numbers. 13, 5, 12, 16, 7, 14, 7, 3, 10, 7 i don't know how to figure it out can you help please. thanks

### math

I am changing measurement to the given unit. I need to change 14m to kilometers what is the answer?help please

### math

Rewrite the equation so that y is a function of x: 1. 1/2(y+5)+4x=3x 2. Use the result in Ex. 1 to find y when x= -1, 0, and 2 __________ Can you please check if this is right? 1. y=-2x+4.5 2. f(-1)=-2(-1)+4.5 =6.5 f(0)=-2(0)+4.5 =4.5 f(2)=-2(2)+4.5 =0.5 Thanks!

### To Mia

Please see the answer to your question below. The math tutor may be able to help you if you respond to his post.

### Math

I have a real big problem. I am not suitable for Algebra! So, could someone please explain how 5x=54+7 equals 4 o.O

### Math, please check answer

Find the midpoint of the line segment having the given endpoints. ( 2, 6) and ( 7, 3) M 9/2,9/2

### Math

I am having trouble finding a pattern or linear equation for this table x y 1 -1 3 3 5 7 10 ? 50 ? 100 ? Could someone help me please?

### math

operations on functions: Given f(x) = 2root x+7 and g(x) = 5x^2 – 9, evaluate (f/g)(2) . I don't understand how to do this, can someone please explain the process??!! thanks!

### math HELP SOON!

Write each ratio as a unit rate. 6 eggs for 4 people. "Please help, it is very confusing to me."

### 7th Grade Math

Find the area of the circle described. Use pi= 22/7. Diameter= 1.4cm Please help!

### math

0.3x-0.2y=4 0.5x+0.3y=-7/17 Can anyone Please help me solve using the elimination system..... Someone tried to explain it but I still do not get it at all

### MATH

can some one please help to solve this problem. Add. reduce to lowest terms, if possible 3/y+3+y+7-y-9+/7/y-3

### math

name the transformation that turns a figure around a point please help asap it is due tomrrow

### math

I've to solve 3x^2 + 6x +3 =0 by factoring. Thus, after solving I got the answer as 3(x + 1)^2. Please correct me if I'm wrong.

### MATH/OPTICS

given di=145, do=38,hi=-97 formula: hi/ho=-di/do how do i rearrange this?? i do not want the answer. need help rearranging equation please help!!

### math-please help!

Use the properties of lines to parallel solve the problem. If p ðF q and mÚ8 = 52‹, what are the measures of the other angles?

### math

How would you simplify this rational expression: Can you please show me the steps on how you get the answer thank you. 2y+1 over y-2 times (4-2y)

### Math

What is the relationship of the two lines with the equations -3y=x-6 and y=3x+1? I am very confused. Please explain how you got your answer!

### Math help please!!!

Factor completely 3p^2q + 9p^2q^2 - 12p^2q^3 I have done the following: 3p^2q(1+3q-4q^) but then i get stuck..not sure if that's the final answer..

### Math please help asap

Solve using elimination.......answers must be in ordered pair form 0.3x-0.2y=4 0.4x+0.5y=-55/17