Math(Please help)

183,433 results, page 38

Math-Direct Variation

can you please show me how to set this up? The variables x and y vary directly. When x is 3, y is 6. Find x when y = 2/3

Math

Solve it showing detail steps..please. Integrate : ∫(cos^3 x)^2 ⁡dx

MATH help asap

connections academy 8th grade Lesson 9: Integers and Algebra help please anyone!

Math

3/7 x 14/15=2/5 1 1/3x 5/8=5/6 1 2/9x 1 1/2=2 1/3 can you please check the above problems and let me know if I got the correct answers in simplest form.

Math

Write three fractions that can be written as percents between 50% and 75%. Justify your solution Can you please help me????

Math (please check my answer)

The center of dilation is (0,0) and the scale factor is 7. If A(3,4), then which is the distance between A and A'. A. 5 B. 7 C. 30 <<<< D. 35

math

Which ratio forms a proportion with 9/15? (A)6/10 (B)16/21*^* (C)36/50 (D)45/70 If my answer was incorrect don't yell at me, just correct me please.

math

Which ratio forms a proportion with 9/15? (A)6/10 (B)16/21*^* (C)36/50 (D)45/70 If my answer was incorrect don't yell at me, just correct me please.

math

3x^3-12x Factor Completely I forgot how to do this problem please explain it to me so i can take notes.

Math: Geometry

2. Name four line. Segments that have point B as an endpoint. A. AF, CH, AE, BE B. BA, BF, BC, BH 3. AF, CH, AE, BE 4. BA , BF, BC, BH Please help!

Math- PLEASE HELP. I DONT UNDERSTAND THIS QUESTION

What is the formula for base, b, of a triangle if the area is A and the height is h?

Math Tangent Graph

I am not sure how I am supposed to do this question please help! goo.gl/photos/qdTXmfjpkBv6hPxn8

Math

I don't understand how to do this. Can somebody please help me? I can't figure out how to do this, and I don't see any instructions in my lesson. Thank you in advance. (-4x) x 9x^2

Math

In how many ways a set can be written? Two or three. I am confused please tell me correct.

Math

I need help to convert this expression in word problem not solution. Please help. Thanks! (5x2)x(3x15)

math

write each as an algebraic expression. 3m ____ 5 ~~~~~~~~~~~~~ 2 (x+ 5) ~~~~~~~~~~~~~ 4a(exponet 2) ~~~~~~~~~~~~ im majorly confused, please help omf

Math

Given points (0, 0) and (3, 6), find the point which partitions the segment into 3:2 Please explain?

math

please do not post links my computer can not use them How do you multiply and divide integers? thank you in advance

Math

-6 greater equal to 13 + 5 which of these values of X makes the inequality true -3.9 -1.2 3/13 -7/15 Please help explain answer

math

can someone help me on the Adding and Subtracting Fractions Mid-Unit Review quiz please

Math

Find the values of the variables. [-12 -w^2] = [2k -81 2f 3 -14 3 Please help me. I don't know how to do this at all, and can you show your work so I can understand better. Thanks

Math

Jeremy got scores of 93,82,91, and 88 on his first four math test. What score must he get on the fifth test to have an average test grade of 90 for the five test ? Can someone explain step by step. Please

Forgot my book, need science help!!

Please help me I have a whole section to do over the weekend and I forgot my book! Please help!! You'll need to post a question in order for a science teacher to know what kind of help you need. Biology? Chemistry? What? And what is/are the question(s)? Just remember -- the ...

7th grade math Ms. Sue please

I have absolutely NO IDEA how to solve this problem!!?! Please help! Answer the following question: Sometimes people say “Give 110% of your effort.” Is it possible to give 110% of your effort? Is there ever a situation where you might have a percent over 100? If no, ...

6th Grade Geometry

Hello, I'm having trouble doing this math geometry someone help me please? Thanks: Calculate the area of the trapezoid which is not drawn to scale. It is not a regular trapezoid! It looks like a rectangle and when you get to the top cut the rectangle and make the part you cut ...

math please help Ms.Sue

The team practices in a pool that is 25 meters long. Sam completes a lap in 22.5 seconds. How long will it take Sam to complete a lap in an Olympic-sized competition pool that is 50 meters long if he swims at the same rate in both pools? (A lap consists of swimming from one ...

math fractions

•math - Ms. Sue, Sunday, November 16, 2014 at 12:39pm 12 •math - bob, Sunday, November 16, 2014 at 12:56pm Ms. Sue can you tell me how you got that answer please. •math - Ms. Sue, Sunday, November 16, 2014 at 1:09pm Multiples of 6: 6, 12, 18, 24 Multiples of 4: 4, 8, 12...

Math

Okay i think i understand this wrod problem but i need help this is the problem: keith weighs 200 pounds. He wants to weigh less than 175 pounds. If he can lose an average of 2 pounds per a week on a certain diet, how long should he stay on his diet to reach his goal weight?? ...

Math (please help!)

The largest Ferris Wheel in the world is the London Eye in England. The height (in metres) of a rider on the London Eye after t minutes can be described by the function h(t) = 67 sin[0.2094(t-30)] + 70 Using this equation i'm supposed to find the diameter, the maximum (top of ...

Chemistry

three separate questions 1. An empty graduated cylinder weighs 82.450 g. When filled to 50.0 mL, with an unknown liquid it weighs 110.810 g. What is the density of the unknown liquid? 2. It is valuable to know that 1 milliliter (mL) equals 1 cubic centimeter (cm^3) or cc.). ...

Math, Algebra

Can you please help me! I solved it, but I'm not sure if I'm right. ------------------------------ Paulo pays $45.99 per month for unlimited calls, with additional charges for text messages. His bill for 4 months is $207.96. If he sends 100 texts each month, how much is he ...

Math Models

The scores on a standardized test are normally distributed with the mean of 750 and standard deviation 70. Find the probability that a score is more than 890. This is from my Math Models class. I am not taking Statistics. Please someone show me how to do answer this-I don't ...

4 grade math

i have a question on a math problem, please#1 explain why 7*8 is not a number sentence. Next question is write two true number sentence. thank you!

algebra

please help me i'm close to having no hair left. How do you rearrange 6y = 9 - 3x to make x the subject i've been at this now for at least 1 week and this is my last resort please please help you have been at this for at least 1 week ?? 6y = 9 - 3x (add 3x to both sides) 3x = ...

Science

Can any one please please help me with popcorn experiment homework? The materials and 1 pack of Orville and 1 movie theater popcorn and let say the timing for both were 4.5 minutes. 1- what is the variables would you need to keep constant(control) in you experiment? Please ...

Math- Please check

Please double check me Find the median of the following set of numbers 47,20,52,35,58,57 a. 49 1/2 b 47 c 48 1/2 d 52 Answer: a Which of the following numbers are integers? 2/3, 35, 0.093,-650, 42.5 a 0.093 and 42.5 b 35 and -650 c 2/3 d -650 answer: c

Math- Please check

Please double check me Find the median of the following set of numbers 47,20,52,35,58,57 a. 49 1/2 b 47 c 48 1/2 d 52 Answer: a Which of the following numbers are integers? 2/3, 35, 0.093,-650, 42.5 a 0.093 and 42.5 b 35 and -650 c 2/3 d -650 answer: c

math

Please, help me to solve this problems by Cramer's rule Question number : 1. 5/x + 3/y = 19 2/x + 1/y = 7 Question number : 2. log x + 2 log y = 4 2 log x - 3 log y = 1 The Answer for number 1 : D = -1 Dx = -2 Dy = -3 The answer for number 2 : D = -5 Dx = -14 Dy = -3 Please, ...

English

1. You should turn off the computer and go to bed now. 2. Ten more minutes, please. 3. Give me ten more minutes, please. 4. Wait ten more minutes, please. 5. __________________________ -------------------------------- #2 is the response to #1. Does #2 mean #3 or #4 or ...

Math

What do we call the numbers that cannot be arranged into 2-row arrays? The question begs for amplification. An array usually contains a set of some sort. There is not a hint in your question of what the set is. My math homework question asks - exactly as stated - What do we ...

Math

I usually have big problems with word problems but here it goes: On his twelfth birthday, Ben was 4 3/4 feet tall. On his thirteenth birthday, Ben was 5 3/8 feet tall. How much did Ben grow between his twelfth and thirteenth birthdays? 5 3/8-4 3/4=3 feet Can you please tell me...

math exam tommrow review

the mean score on a math test taken by 15 students was 82%. one more student takes the test late and earns 93%. what is the new mean score? please show work

math

Unless we have the specifics of the problem, we are unable to provide help. Please repost with more details. I hope this helps a little. Thanks for asking. where else can I get help to figure out a math cross puzzle. I can get some the equations to equal on one side but not on...

More Rational Exponents!

1. The optimal height h of the letters of a message printed on pavement is given by the formula . Here, h= (0.00252d^(9/4))/e d is the distance of the driver from the letters and e is the height of the driver’s eye above the pavement. All of the distances are in meters. ...

English

1. This is all that I have now. 2. This is what I have now. (Are both the same in meaning?) 3. Please show me that he is active. 4. Please show me the fact that he is active. 5. Please show me that this is correct. (Are the three sentences grammatical?

Math Please Help

5. Shara's new lawn sprinkler watered a circular area with three times the radius of the old sprinkler. How many times greater was the area watered by the new sprinkler than the area watered by the old sprinkler? a)3 b)6 c)9 d)36 6.How many x-intercepts does the graph of the ...

PHYSICS. HELP.

A motorboat heads due west at 10 m/s. The river has a current that travels south at 6 m/s. a) what is the resultant velocity? b) If the river is 200 m wide, how long doe sit take the boat to cross the river? c) How far downstream is the boat when it reaches the other side? ...

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....

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...

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?

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 ...

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 ...

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 ...

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 ...

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

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

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, ...

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

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+2ã6 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!

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