# math..solve for u again

28,147 results, page 6-
## Math

What is the best way to study for a math test? Also, what is the best/most efficient way to write a math test? The format of my tests is usually basic questions, and then word problems. I'm always pressed for time at the end, so I have to scramble when

*asked by Lucy on March 6, 2008* -
## Math

There are 356 rows of tress growing in the field. There are 299 trees in each row. How many trees are growing in the field? Please help am stuck on this last math problem not good at the type of math problems.

*asked by iyana on November 4, 2015* -
## Math

I need someone to check my homework answers. I don't really know this stuff but i'm trying to do better in math this year. I didn't understand how to do some either. 1. √12 I got 2√3 2. √9a^3 I got 3a 3. √8 * √2 I got 4 4.3√50 I got 15√2 5.

*asked by Jim on September 18, 2007* -
## Math

Use the quadratic formula to solve each of the following quadratic equations... 1. 2x^2-5x=3 2. 3x^2-2x+1=0 Rearrange the equation in quadratic formula form. 2x^2 -5x -3 = 0 Then use the formula. Tell me what you don't understand about it if you don't know

*asked by Tomika on June 13, 2007* -
## MATH-help

I have math questions to do, but since my class and I share the math text books with this other class, we are not allowed to bring them home. So I decided to go onto the site : h t t p : // highered . mcgraw-hill . com

*asked by Anonymous on September 24, 2010* -
## English

1. Some students aren't good at math. 2. Any students aren't good at math. 3. No students are good at math. 4. A few students aren't good at math. [Which one is ungrammatical? Do you use #1 more than #4? Which one is commonly used?] 5. I don't have any

*asked by rfvv on March 10, 2018* -
## algebra 2

how do you solve quadratic equations by finding square roots i have no clue how to do this. I have fallen behind in my math class because my teacher is horrible. I need to learn this to understand everything in the section in the section. I beg someboody

*asked by HELP ME on November 30, 2009* -
## life science , geography , history and math literecy

I am a grade 11 student and want to follow careers linked to geograpy . My problem is that most of the careers I am in interested in want pure math and im doing math literecy . My question is that , Is it possible for me to start mathematics in University

*asked by felicia on September 29, 2013* -
## Precalculus

This is for solving exponential/logarithmic functions: (This is a base e Logarithmic function I would assume): e^(4x)/10 =4^x-2 ? I understand the properties of logs for the most part, but I have a hard time figuring out the step-by-step process on how to

*asked by Sarah on December 11, 2012* -
## I need ideas for a Math Project (science related)?

So I was given a math project in which we need to gather "real world information" and make a scatter plot of the info. With this we must graph a line, parabola and exponential curve of best fit then find those formulas. The math is straight forward but I

*asked by Olive on April 14, 2010* -
## math

A book publisher is shipping a new book in boxes of 200. If 30 boxes fit in 1 shipping crate, how many books are in 20 shipping crates? Explain the mental math you used to solve the problem.

*asked by Deshawn on September 2, 2014* -
## Math (integrals) (Substitution)

I am given an integral to solve with given substitution values. I got an answer, but I'm not quite sure if it's correct as an online integral calculator gave a different answer. ∫ x sqrt(4-x) dx Given that u = 4-x . In this case, x = 4 - u du = -dx Now..

*asked by Ray on May 6, 2017* -
## math,correction&help

Is this right:if it still needs more can someone help me out what else can i say....thanks why are polynomials important? polynomials are important because the are used to determine and solve the unknowns in equations. Many natural processes can be modeled

*asked by jas20 on March 5, 2007* -
## algebra

Suppose that these 15 measurements are respectively labeled x1,x2,..,x15. (Thus,-27 is labeled x1,62 is labeled x2,and so on.) Find. 15 over the sum sign and i=1 under the sum sign(x1 + 43) I ahve no idea how to solve this becaue I never seen this type of

*asked by treshia on March 22, 2011* -
## Math

I'm studying to take a math placement exam and it has been a long time since I've taken a math class. Can someone please give me a step to step solution of these: A.Simplify: 8x/[2^(x-1)] Answer = 2^(2x+1) B.Simplify: (2^x)*[4^(x-1)] Answer = 2^(3x-2)

*asked by Lulu on December 25, 2012* -
## Stats

You have many old textbooks in your apartment. You have 6 math books, 7 econ, and 4 accounting. Assume that each textbook is different than the other. A) What is the probability that the last book is one of the economic textbooks? B) What is the

*asked by Rebekah on September 9, 2014* -
## Math

If I spend t hours every night on my homework and 1/4 of the time studying math, what equation can I write to represent the number of hours I will spend doing my math homework during the next 5 days?

*asked by Kiki on February 27, 2016* -
## Math

I can't seem to do this problem. And my grade is riding on it. Can someone please help? I don't know how to solve it. Can someone help me by telling me what I'm doing wrong? The problem is 3y = 2x + 12 My Work: 0=2x+ 12 -------- 2 2 x=6 You cannot solve

*asked by Cody on May 28, 2007* -
## statistics

a research participant has her brain scanned while listening to music and solving math problems, and the brain area of interest has a percent signal change of 58. From many previous studies with this same math-problems procedure (but not listening to

*asked by Anonymous on January 14, 2012* -
## English

1. I got A on the math test. 2. I won A on the math test. (Are both grammatical?)

*asked by rfvv on June 24, 2013* -
## math

what time is spent on art and math if math is 21% and art is 14%

*asked by Anonymous on April 18, 2016* -
## Math

Hi, would someone mind just checking the answer I got for this formula and tell me if I'm on the right track or not. Question... x+y=21 3x=4y Answer I got... x=84 y= -63 I didn't get that. Check your math. I found 7y=63 but not y = 63. You can always check

*asked by Jessica on October 22, 2006* -
## Math

Math - Cindy, Tuesday, April 29, 2014 at 8:44pm At Bobs diner, it costs $8.00 to purchase two hamburgers and one order of fries. The "family pack" costs 30.00 and comes with six hamburgers and six orders of fries. If the prices are constant,how much does

*asked by Anonymous on April 30, 2014* -
## math

solve the compound inequalities as demostrated being careful of how a negative x- term is handled in the solving process show all math work arriving at the solutions display a simple line qraph for each solution set as demostrated. -119 (your or Copmound

*asked by mace on March 5, 2013* -
## math

Im good and all at math but I have a question this isn't tricky its like a math brain buster!Suppose you round each group of numbers to the nearest ten.which group of numbers all roundto the same number? A.423,418,426 B.376,378,384 C.255,253,251

*asked by skye on February 22, 2010* -
## Math

On a math test,12 students earned an A. This number is exactly 25% of the total number of students in the class. How many students are in the class? 'In this problem I'm not sure whether I'm being asked to solve for one or two unknowns. May I have your

*asked by Cliff on July 21, 2010* -
## TO: WHITNEY

I've removed your last post because it was rude and insulting. I've also banned you from posting here. Jiskha tutors cannot teach you math from the beginning. Since you have neither teacher nor textbook, I urge you to use sites like the following to learn

*asked by Ms. Sue on October 4, 2010* -
## phys

The speed of ocean waves depends on their wavelength Î» (in meters) and the gravitational field strength g (in m/sË†2) in this way: V=KÎ»Ë†p GË†q Where K is a dimentionless constant. Find the value of the exponents p and q. Consider the

*asked by Cheyenne on August 29, 2005* -
## algebra 2

solve: 3+2(1-x)>6 i got -11/2 no Here is what I got: 3+2(1-x)>6 3 + 2 - 2x > 6 -2x > 1 x < -1/2 what about the 3+2? i have to graph the solution set on a number line. What about the 3+2 ???? What a strange question re this problem What level of math are

*asked by anonymous on July 27, 2007* -
## Math check my answers

1. Evaluate. 8d - 10 for d = 4 A.32 B.22*** C.26 D.46 2. write an algebraic expression for the sum of 3 coins and c coins. A.c + 3*** B.c/3 C.3c D.c-3 3. Find the solution of the equation from the given numbers. x - 2 =16: 14, 18, 21, or 12 A.12 B.14

*asked by Sid.V on December 1, 2016* -
## Math ,help

how can i simplify this more its for the following problem: Problem #22 solve by using the quadratic formual. 5x^2-4x+1=0 this is where i am but i do not know how to go further. x = (4 (+/-) sqrt (-4))/(10) Problem #23 Solve by completing the square.

*asked by jasmine20 on April 15, 2007* -
## jasmine20

I just wanted to say I have seen you getting better in math as time goes on. You take the ideas presented to you and do a really good job of figuring out how to apply them. Noticed your hard work and thought I'd give you a kudos. I notice other hard

*asked by MattsRiceBowl on April 20, 2007* -
## TI N-spire

ok so i kno this isnt a math prblem, but it a question that im sure many people would love an answer to. Is there any easier way to change the mode on the n-spire from degres to radians(or vice versa) without having to go into th document, graphs, and

*asked by Ryan on December 11, 2009* -
## Math

Hi. This is my question: An art student wants to make a string collage by connecting six equally spaced points on the circumference of a circle to its center with string. What would be the radian measure of the angle between two adjacent pieces of string,

*asked by Ashfia on April 21, 2009* -
## 10th grade Math B

Hi. This is my question: An art student wants to make a string collage by connecting six equally spaced points on the circumference of a circle to its center with string. What would be the radian measure of the angle between two adjacent pieces of string,

*asked by Ashfia on April 21, 2009* -
## mat115

Please help with this math problem. The math question asks, "Identify the numerator and denominator of the fraction 3/8. Please let me know if I am correct? numerator is the 3 and te denominator is the 8. Is this a trick question? My professor want me to

*asked by adore001 on August 27, 2010* -
## Math(Please respond)

.50 - x / x = 3.20e-1 I need to solve for x. I was going to do .50 X 3.20e-1 and then take the square root but this is not correct. I am not sure what to do. Thank you for your help. Math(Please help) - Reiny, Tuesday, April 17, 2012 at 3:18pm You probably

*asked by Hannah on April 18, 2012* -
## Algebra

I have this math probelm z-(3z)/(2-z)=(6)/(z-2) in my book it says to solve the equation. I have worked this problem many times and I keep comming up with different answers. When I use an online calculator to check my work it is giving me an answer of z=-3

*asked by Jessica on August 11, 2010* -
## fundamentals math

A standard math test was given to 6000 students. The scores were normally distributed with a mean of 420 and a standard deviation of 40. If george scored 340, how many students scored more than George? This is hrd because I tried using calculator but

*asked by Jacqueline on September 27, 2015* -
## math

Posted by question on Wednesday, July 22, 2009 at 4:56pm. solve 5/8x + 1/16x=7/16+= the solution is x=___ Responses math - Mr. L, Wednesday, July 22, 2009 at 7:23pm 5/8x is the same as 10/16x That should help my final answer would be 7/27 do i have it

*asked by question on July 23, 2009* -
## Statistics

suppose the correla tion between SAT Verbal scores and Math scores is .57 and that these scares are normally distributed. IF a student's Verbal score places her at the 90th percentile, at what percentile would you expect her Math scores to be?

*asked by Nic on December 20, 2011* -
## 7th Grade Math

I am stumped about the order of the steps to follow on the right side of a 2-step math equation that I have for homework tonight: 2(6d+3)=18-3(16-3d) Do I multiply -3 times 16 and -3 times -3d or do I isolate the minus/negative sign and multiply 3 times 16

*asked by Nancy on March 29, 2007* -
## math

the expiremental probability that ryan will have math homework on a given school day is 80%.on how many of the next30 school days can ryan expect to have math homework?

*asked by hannah on April 20, 2011* -
## Math

Valerie soent 32% study time on math and science. Math @ 3 hrs and Science at 5 hrs. How much time spent on studying subjects?

*asked by Reanna on August 8, 2011* -
## math115

which numbers are prime numbers 37,39,41,43 answer 37,41,43 John spent 1/3 of his study time doing math homework and 3/5 preparing for a history exam what fraction of his study time remains? answer 1/15 Solve for the unknown 2/7/20=1.6/ranswer 112

*asked by melody on October 20, 2009* -
## Math

I have a question.. I have a 90.7% in math right now and I need to bring it up to a 93%. The only thing left is the final exam, which is worth 10% of your grade. Does anyone know a formula or a method that will allow me to calculate what I need on the

*asked by John on June 18, 2007* -
## 3rd grade

This is my sons math problem I am not good at math please can you help me and show the work for the calculations " ALI MADE A MODEL FOR 624 USING 6 HUNDREDS, 2 TENS, AND 4 ONES. WHAT IF ALI HAD NOT HAD ANY TENS? HOW COULD SHE HAVE MODELED 624 WITHOUT USING

*asked by keisha on September 2, 2009* -
## Math

Hi this is a dimensional analysis problem,I want to solve for x. 300x^2 -16.667x^3+(-7200)=0 after getting 300x^2 -16.667x^3=7200 I really don't know what to do. Plz help. Math (Dimensional Analysis) - Reiny, Thursday, November 24, 2011 at 11:27am This is

*asked by Kari on November 24, 2011* -
## Substitution Method-Plz help

Use the Substitution method to solve the system of equations. x + y = -4 x - y = 2 solve for x in the second equation. x= y+2 Put that in for x in the first equation: x+y=-4 (y+2) + y = -4 solve for y. Then, x= y+2 i don't get it.How did you get that?What

*asked by Svetlana on October 17, 2006* -
## MATH/ALGEBRA

I am going over some math homework and need to know if I am getting the right answers. 1. Solving by elimination: 2x+3y=3, and 4x+6y=6 I say the determinant is o, there is no solution 2. y-11>2y-2 Is 1,-15,-17,-2 solutions: My answer = 1 is not, -15 is,

*asked by HGO on December 19, 2009* -
## math

In a survey of 25 college students, it was found that 9 were taking an English class, 14 were taking a math class, and 8 were taking both English and math. How many students were taking a math class only

*asked by joe on February 9, 2014* -
## calculus

I have to help teach this class tomorrow for my Senior Seminar Math class. The lesson is over Exponential and Logarithmic Functions and L'Hospital's Rule. I have all the problems needed to review this lesson, but i can not solve any of them. My teaching

*asked by Primo on September 22, 2008* -
## English

posted by rfvv Tuesday, April 17, 2018 at 7:16pm 1. He goes to an academy to study math and English. [Is 'an academy' in generic use? Or Does 'an' mean 'one'?] 2. He goes to academies to study math and English. [Is the word 'academies' in generic use?] 3.

*asked by rfvv on April 21, 2018* -
## 6th grade math

Chris has made the following grades on five math test. 90,74,86,75,94 What score must Chris earn on the next math test to have a test average of exactly 85?

*asked by Alex on April 15, 2015* -
## Math

How do I work this out: beth took a math test and scored a 75. She took another math test and scored 20% higher. Whatis her scorefor the second test?

*asked by Jenna on January 12, 2016* -
## Tutor

does anyone know where i can get a free interactive online tutor? I don't really need it all the time, I just need one for math when I'm confused. You guys all do a great job but I was wondering if anyone knows where a tutor would be. Anywhere from AIM to

*asked by Emily on April 3, 2007* -
## math

Solve following system of equations? x+3z=-2 2x+2y+z=4 3x+y-2z=5 i need help with few so i can get hang of this math plz. Perform row operations write new matrix [132 -312 2-11| 073] R1+R2 using x,yand z variables write system linear equations represented

*asked by sherri r on January 25, 2009* -
## to Katie A A

#1 - The school subject is MATH, not "help" -- I've never heard of a school subject called help. #2 - To quote one of our very good math and science tutors: “You will find here at Jiskha that long series of questions, posted with no evidence of effort or

*asked by Writeacher on November 3, 2011* -
## MATH-PERCENTILES

I JUST TOOK A TEAS TEST(FOR PRACTICAL NURSING ADMISSIONS). THE REQUIREMENTS MUST BE A GRADE IN AT LEAST THE 40TH PERCENTILE IN EACH SUBJECT. THERE WAS A MATH, READING,ENGLISH, AND SCIENCE SECTION. TOTAL OF QUESTIONS WERE 170.MATH-45? READING-40? ENGLISH-55

*asked by TORI on February 9, 2008* -
## ELEMENTARY STATISTICS

50 MATH PROFESSORS WERE ASKED HOW LONG IT TAKES TO GRADE A STUDENT'S HOMEWORK ASSIGNMENT. THE MEAN GRADING TIME FOR THE SAMPLE WAS 36.2 MINUTES WITH A STANDARD DEVIATION OF 4.8 MINUTES. WHAT IS THE 99% CONFIDENCE INTERVAL FOR THE MEAN GRADING TIME OF ALL

*asked by DARLENE on November 25, 2011* -
## MATH PLEASE HELP SUE

# Math - bobpursley, Monday, September 14, 2009 at 5:24pm The base of the rectangle can go from 3 to 22 along the base. 3x22 4x21 5x20 6x19 ... 22x3 Ok, looks like to me it is 22-2 ways. # Math - Van , Monday, September 14, 2009 at 5:31pm sorry... i don't

*asked by i need help ! on September 14, 2009* -
## math

Jeremy surveyed students at his school for his math project. When he analyzed the results, 38 students, or 18% of those surveyed, selected hamburgers as their favorite food. How many poeple did Jeremy survey for his math project? (Round your answer to the

*asked by nicole on June 13, 2013* -
## English Grammar

Which sentence uses proper grammar? I'm bored by math class. Or I'm bored of math class.

*asked by Marcus on November 7, 2013* -
## Math

Miguel’s math book weighs more than 3.45 kilograms.Which could be the weight of his math book in kilograms?

*asked by INeedHelpWithHomeWoek on January 18, 2018* -
## Childhood Education

Learning to make candy from a recipe would relate most directly to which two of the 13 activity areas? A Math and science B Social studies and science C Cooking and math D Social studies and cooking . I belive the C is the correct answer

*asked by Rosa on October 26, 2009* -
## Math check 3

f(x) = 1/(x+7)+15/(x-8). Find all a for which f(a)=f(a+15). I understand this so far f(a)=f(a+15) 1/(7+a) + 15/(a-8) = 1/(a+22) + 15/(a+7) I have multiplied the LCD of (a-8)(a+7)(a+22)by both sides with no luck. This is a multiple choice question a.)

*asked by Shawn on October 12, 2008* -
## math

Can someone correct this for me please or help me out.... Why are variables useful in algebra? My answer: Variables are useful in algebra because they detemine an answer that anyone is trying to get to. Variables can represent a single number or a whole

*asked by jasmine20 on January 1, 2007* -
## bridge

Mr. Feng conducted five math tests. Trinity had completed four tests and scored 79, 78, 82, and 75. She wanted to achieve an average of 80% in her math tests. Write an inequality to find the minimum score Trinity can make on the fifth test in order to

*asked by Summer on September 6, 2016* -
## intermediate algebra

inequalities –1 ≤ x – 3 ≤ 5 –2x – 5 < –2 or x – 3 < –10 Be careful of how a negative x-term is handled in the solving process. Show all math work arriving at the solutions. •Show the solution sets written algebraically and as a union or

*asked by sean on March 15, 2017* -
## Heeeeeeeelp

Read the following instructions in order to complete this assignment and review the example of how to complete the math required for this assignment: Use the properties of real numbers to simplify the following expressions: 2a(a – 5) + 4(a – 5) 2w –

*asked by Myya on September 15, 2013* -
## Algebra II

Can you please explain what formula I need to do to solve the following problem: If 3 laps = 5/8 mile, how many laps needs to be completed to run 3 miles? Don't look for "formulas" to do these kind of questions, use ratios, one of the most powerful tools

*asked by Sami on August 16, 2007* -
## Intermediate Algebra

Combine like terms: -3x^2+2x-4x^2-9+6x-2x^2+8 Solve for x: 8x-11= -11x+18 Solve for x: -2(x-5)+7=z-8-5x Solve for x: (x-2)/5 - 3/2= (x+1)/10 Translate to an algebra statement; do not solve: Seven times the difference of six and a twice a number yields the

*asked by Dawn on September 30, 2007* -
## Math--time

how do u add and subtract time.... ex. Math class is dismissed at 2:20pm ,It is now 1:53pm how many more minutes before math class is dismissed. It is a subtraction, but remember each hour is 60 min. 2:20 - 1:53 but you cant subtract 53 from 20, so you

*asked by Aleeyah on August 29, 2005* -
## math

Ralph, Mario, Jack, Laura, and Maria are in the math club. The club advisor will assign students to 3-person teams at the next math team competition. How many different 3-person teams can be formed from these five students? would this be 10, because of 5 *

*asked by Anonymous on May 16, 2013* -
## 3rd grade

math to endure the heat,firefighters wear protective gear that weighs about 40 pounds.If a suited-up firefighter weighs 220 pounds,how can you use mental math to find the firefighters weight without the gear?

*asked by trinity on September 23, 2008* -
## math

Ralph, Mario, Jack, Laura, and Maria are in the math club. The club advisor will assign students to 3-person teams at the next math team competition. How many different 3-person teams can be formed from these five students? would this be 10, because of 5 *

*asked by Anonymous on May 14, 2013* -
## math

Ben can complete 3 math problems in 21 minutes. If he continues working at the same rate, how long will it take Ben to complete 16 math problems? thanks .

*asked by Imani on March 13, 2011* -
## math

Ben can complete 4 math problems in 20 minutes. If he continues working at the same rate, how long will it take Ben to complete 17 math problems?

*asked by HELP on April 5, 2011* -
## math

Ben can complete 3 math problems in 20 minutes. If he continues working at the same rate, how long will it take Ben to complete 15 math problems?

*asked by Anonymous on January 26, 2011* -
## Math Inequalities

-9/8x greater than or equal to -1/16 can someone please check my answer? my answer is x greather than or equal to 1/18 is this correct? if not what is the correct answer and what is the correct way to solve this problem..maybe I missed a step or did not do

*asked by Anna on November 5, 2009* -
## Algebra

To solve the system of equations, which expression could be substituted for x into the first equation? 3x-5y=14 x+4y=10 a)10-4y b)4y+10 c)(1/4)x+(5/2) d)(-1/4)x+(5/2) I have another problem just like this one so if you could explain how to solve this one I

*asked by maddie on July 27, 2007* -
## help!

Can you please give me one of them so I cansolve for the other one?PLease! The general formula for a straight line is y = mx + b. Just plug the points into the equation to arrive at two equations. 6=2m+b 10=4m+b you have two equations and two unknowns.

*asked by margie on November 1, 2006* -
## Math

14. When the teachers were talking one day in the workroom one math teacher said she had 2^7 students in all her classes and the pe teacher said he has 6^3 students in all his classes. How many more students does the pe teacher have than the math? A.6 B.47

*asked by Jerald on September 16, 2013* -
## LAnguage arts

Are these correct Neither Jake nor Sue gets seasick. Are Jake and they ready with their math project? Every one of the students I spoke to said he/she liked his/her math class. If a person loses his/her jacket, he/she can check the lost and found. Each of

*asked by caroline on December 21, 2009* -
## Math

I just don't understand this question: h(t)=A*b^x h(3)=4 h(5)=40 Solve for b Would you plug 3 into the x and set it equal to 4? (4=A*b^3) How would you solve for that because in the next question they go on to ask you to solve for A using the b you

*asked by Nicole on August 30, 2006* -
## statistics

What is the probability that a student in a college of 650 students in both a math major and a computer science major ( assuming these events are independent) If there are 72 math majors and 105 computer science majors?

*asked by Lisa on November 30, 2011* -
## HELP MATH

lee looked at the results of an exam he had just given to his grade 2 math class. he saw that louise had a score of 95%. he also saw that the standard deviation for the test was 0. if arif was also in his grade 2 math class, what mark did arif get on the

*asked by Anonymous on January 6, 2011* -
## Math

Solve by eliminnation methods 2x-4y=5 2x-4y=6 solve the system by elimination method 5x+2y= -13 7x-3y=17 Solve x+64 Determine whether the given numbers are solutions of the inequality 8,-10,-18,-3 y-8>2y-3 Solve by the substitutioj method 2m+n=9 m-5n=10

*asked by jay jay on July 15, 2008* -
## English

1. Do you quietly think so? 2. Do you really think so? 3. Do you easily think so? 4. Do you finally think so? 5. He solved the math problem very quietly. 6. He solved the math problem very really. 7. He solved the math problem very easily. 8. He solved the

*asked by rfvv on March 9, 2016* -
## Math

3.Max says there were 6 students wearing shorts in his math class. He is not sure how many people were in the class, total, but he thinks about one third of them were wearing shorts. A. What percent is closest to 1/3 ? Explain. B.Write and solve a

*asked by Francis on April 16, 2015* -
## MATH PLEASEEEEE

I have a question, if f(x)=x/2 and g(x)=3x+1 find: a) (f+g)(x) i know you go x/2+3x+1. but how do i solve that?? b) (f-g)(x) i know you go x/2-3x+1, how do i solve? c)(f*g)(x) how do i solve? (f/g)(x) how do i solve?? f(g(x)) how do i solve?? thanks for

*asked by Jamie Lynn on December 16, 2008* -
## chemistry

if i have a 21% solution of a product, and i need to make it a 9% solution of the same product what do i do? i am trying to dilute a product that is 21% to a 9% soultion so it can safety be used on cats. i know what to dilute it with, but i do not know how

*asked by michele on January 19, 2016* -
## Math

Mr. Green teaches band, choir, and math. This year, he has 57 students that take at least one of his classes. He teaches band to 25 students. There are 48 students who take either band or choir or both. There are 9 students who take both math and choir

*asked by Unknown on March 27, 2013* -
## English

Thank you for your help. There are some more sentences concerning the preposition 'in.' 1. He will be back in a few days. 2. The show starts in an hour. 3. Do you wnat to meet here in an hour? (Does 'in ' mean 'after a particular length of time'?)

*asked by rfvv on March 28, 2016* -
## Speeches

I have to write/ present a speech to become treasurer for my 7th grade class... things i know: I am in accerated math I am responsible I was a representative in Student Council last year I am not certain how accelerated math is helpful in the position of

*asked by Cass on September 16, 2006* -
## math

the length of a rectangle is 1 cm less than twice its width. the area is 28 cm squared. find the dimensions of the rectangle. Just translate the English into "math" "the length of a rectangle is 1 cm less than twice its width" l=2w-1 "the area is 28"

*asked by anonymous on May 9, 2007* -
## Math Systematric Trial

Hey everybody, I really need help solving these math equations. Thank YOU! For helping me! Use Systematic trial to find the value of each variable. a) 5+7c=89 b) 26=5+3e c) 8k-16=200 d)525-6u=339 Write each sentence as an equation. Solve each equation. a)

*asked by Harmony Ann on February 23, 2014* -
## program planning

Learning to make candy from a recipe would relate most directly to which two of the 13 activity areas? A. Math and science B. Social studies and science C. Cooking and math D. Social studies and cooking

*asked by amanda on October 14, 2014* -
## Childhood Education

Learning to make candy from a recipe would relate most directly to which two of the 13 activity areas? A Math and science B Social studies and science C Cooking and math D Social studies and cooking

*asked by Rosa on October 26, 2009* -
## Math

Johnny spent 4 2/3 for his exams studying for his math exams. He spent 3/4 of the time studying for math. How many hours did Johnny spend stydying for his exam? How do I show the number sentence?

*asked by Alexa on November 2, 2015*