# Is it me or does this problem not make sense? (you can't solve it) 5. Solve for x in the following system: 6x + 6y = -2 y = -x I also need help in these: 38. We can take

65,430 questions
1. ## math

Factorial notation problem. Please help? Hi, I am stuck on this maths problem. Solve for n: (n+2)!/(n)! =110. I get as far as (n+2)(n+1) = 110. When I multiply it out I get n^2,3n,2 = 110. There is only one example similar to this in my book and it used a

asked by Maria on July 3, 2013
2. ## Algebra 2 (Math)

Solve by the system of equations by substitution. x + 2y + z = 14 y = z + 1 x = -3z + 6 Anyone able to help me with this? I've been stuck on it all day and can't seem to solve it, it doesn't make any sense to me.

asked by Lucas on November 19, 2015
3. ## algebra 1

Solve the following problem: Kate bought a car for \$20,000. A study shows that a car will depreciate (go DOWN in value) by 15% each year. How much is Kate's car worth after 5 years? a) Formula used: ___________________________________ b) Substitute values:

asked by hello on February 6, 2018
4. ## calculus high school

7y^4+x^3y+x=4 using implicit differentation, how do i solve this problem. it is a textbook example but the partwhere i "use the chain rule on the first term" doesn't make sense to me because they get d/dx 7y^4+(x^3dy/dx +y d/dx x^3)+d/dx x

asked by k on April 8, 2010
5. ## Math

We have an important chemsitry test due and I want to make sure that I do not mess up on my algebra. I am dealing with the integrated rate law, but my question is purely algebraically in nature. I hope, somebody can help me. 1) ln(A) = -kt+ln(B) solve for

asked by Yasemine on May 13, 2013
6. ## Pre calculus

How do I solve this exponent problem? I understand the exponent rules, but I getting 1 but 1 is not the answer! I don't want anyone to solve the problem for me, I want to learn how to solve this type of problem. Thank you! Solve the equation: -8=-3-6

asked by anon on March 27, 2013

I'm trying to solve this problem Calculate (a) how long it took King Kong to fall straight down form the top of the Empire State Building (380 m high), and (b) his velocity just before "landing". My teacher said try and rearagne this equation for t X = Xo

8. ## Algebra 2

1. What is the slope of the line perpendicular to y-6=-2x-4? 2. Simplify 8 ^1/3. In case that doesn't make sense the problem is simplify 8 to the 1/3 exponent. 3. Solve -5

asked by Christian on January 16, 2008
9. ## English

1. He can not solve the math problem. 2. He cannot solve the math problem. 3. He can't solve the math problem. 4. He could not solve the math problem. 5. He couldnot solve the math problem. 6. He couldn't solve the math problem. (Are they all grammatical?

asked by rfvv on July 16, 2013
10. ## MATH

in a contest, Bello. Adamu, and Lawi are asked to solve a mathematical problem. the probability that they solve the problem correctly are 1/5, 2/3, and 2/5. find the probability that:(1)None of them solve the problem correctly(2)At least one of them solve

asked by biliyaminu on January 13, 2016
11. ## math

the sum of a number and 3 times that number is 76. what is that number? PLEASE HELP ME I DON'T GET IT!!!!!!!! Mathematics is a language, so translate the English into "math" let the number be x "the sum of a number and 3 times that number is 76", .... what

asked by Rebekka on April 18, 2007
12. ## Child development

Using these steps, consider a cognitive “problem” a young child might encounter that he/she needs help with (such as putting together a puzzle, sequencing – putting items in order, sorting by color or size, adding, subtracting, tying shoes, learning

asked by amy on October 14, 2011
13. ## Physics

A rock is dropped from a height of 100m. a) how long does it take to fall the first 50m? b)How long does it take to fall the last 50m? Which equation would I use to solve this problems with? For a) use s=(1/)g*t^2 where s=50m and g=9.8m/s^2 and solve for

asked by Lauren on September 19, 2006
14. ## Need all the help i can get

Hi i'm pretty new to this and i don't know what to do?So i put these questions up im not sure if my answers will show up because i used color letters, but i need help checking and explaining steps N 108 is 36% of what number? Write and solve a proportion

asked by Rainbow Dash on January 7, 2016
15. ## Algebra 2

Is it me or does this problem not make sense? (you can't solve it) 5. Solve for x in the following system: 6x + 6y = -2 y = -x I also need help in these: 38. We can take the product AB only if the number of columns of A equals the number of rows of B.

asked by mysterychicken on May 1, 2011
16. ## geometry

what do I do to solve this problem? I don't know how to work it out, so could somone show me hoe to work it out. Please help! the lenght of a rectangular playing field is 5 ft less than twice its width.the perimeter is 230 ft,so what is the lenght and

asked by keshia on March 21, 2007
17. ## math retry 2

8^x = 16^x+2, x+2 -2=0 8^x =16^x+2, 2 x 8 = 16 log sub 5 (2x+3)=2 2(7/2)+3=2 log sub 5 (2x+3)=2 log sub 5 =11 The first and second lines make no sense whatsoever. The last is even more confusing. Watch 8^x = 16^(x+2) 8^x = 8^2(x+2) x= 2x+4 solve for x. On

asked by Sara L. on January 13, 2007
18. ## Algebra 2

Solve for b: T= 3/over/4 ab make sense? T= 3/4 ab

asked by Catilyn on February 7, 2013
19. ## Algebra 2

Solve for a: Y= a+b/over/n make sense? Y= a+b --- n

asked by Catilyn on February 7, 2013
20. ## Algebra II

Right now we're doing systems of Linear Equations in Three Variables. It says to solve the following system: x - y + 3z = 4 x + 2y - z = -3 4x + 3y + 2z = -5 Whatever I try with this problem (and the others like it) it comes out wrong. I've had about one

asked by Matt on September 20, 2011
21. ## Physics

Specifically, which of the following best expresses your view: i. Many physics concepts make a lot of sense and connect to everyday experience; but formulas are more of a problem-solving tool than a sense-making tool. ii. It really depends on the formula.

asked by Tammy on March 29, 2011
22. ## Physics

Specifically, which of the following best expresses your view: i. Many physics concepts make a lot of sense and connect to everyday experience; but formulas are more of a problem-solving tool than a sense-making tool. ii. It really depends on the formula.

asked by Tammy on March 26, 2011
23. ## Physics

Specifically, which of the following best expresses your view: i. Many physics concepts make a lot of sense and connect to everyday experience; but formulas are more of a problem-solving tool than a sense-making tool. ii. It really depends on the formula.

asked by Tammy on March 28, 2011
24. ## Math And Science for Young Children

The conventional problem-solving strategies usually taught have been: A. act out the problem, make a drawing or diagram, and solve the problem. B. look for a pattern, construct a table, solve the problem, and look back. C. understand the problem, devise a

asked by Tonya on January 9, 2016
25. ## Physics

Our teacher gave us a scenario we have to prepare to solve for a lab tomorrow: He has one of those toy flying airplanes suspended from the ceiling on a string of some length. He is going to charge it and start it spinning, and we have to figure out how

asked by Lauren on March 11, 2008
26. ## AP Physics

Hello given that I person 65 kg takes 4.5 s to climb a flight of stairs that is 5.5 m my question is well I was asked to solve for the work and W=fd and in this case f is equal to the normal force correct? Just take the opposite of mg??????? Also I'm asked

asked by AP Physics on June 16, 2009
27. ## chem

i had posted this question about a week ago and had gotten help from bobpursley(thank you so much btw) but i was showed how to do it using an equationa and now when im studying for the test i realize i need to be able to make a conversion factor to solve

asked by hannah on November 15, 2010
28. ## math

how would you solve for y in this problem: x=(y^2+3y)^(1/3) I got: y= x^3/y - 3 ? and for this problem: x= 1/[(y^2+3y-5)^3] I got: y = y/x + 5/y - 3? However, I do not know how to solve for y explicitly. I don't think quadratic formula would work in these

asked by kristie on July 20, 2006
29. ## Algebra1!Plz help I have test 2morrow!!!

so would the new eqaution be... 2x+8=10 then.. 2x=2 x=1? We know that y = x + 8. So if x + y = 10, then x + x + 8 = 10. but what about the y?ANd what do I do afetr that? If you know what x equals, then you can calculate what y equals. Once you've solved

asked by Sammy on November 4, 2006
30. ## 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

31. ## math

In UIL number sense can someone tell me how to quickly solve the following type problem in my head. I know how to do it on paper, but paper is not allowed in number sense. 79-26

asked by Mattie on September 27, 2008
32. ## math

How to solve in my head without using paper for uil number sense How about an addition problem for example 33 + 23.

asked by Mattie on September 27, 2008
33. ## geometric

I need help on this following problem: The length of a rectangle measures 1 cm less than its width. The perimeter of the rectangle is 106 cm. Find the dimensions of the rectangle. Now i have tried to solve this problem in multiple attempts as can be seen

asked by Bob Heffely on January 26, 2015
34. ## Algebra

I need help on this following problem: The length of a rectangle measures 1 cm less than its width. The perimeter of the rectangle is 106 cm. Find the dimensions of the rectangle. Now i have tried to solve this problem in multiple attempts as can be seen

asked by Anonymous on January 26, 2015
35. ## 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
36. ## math,correction

okay for the first one i/ve done it twice and both times i got 10, not -10. check your work to make sure you did it correctly. for the second one i got 24 so you are correct Directions solve for x. (x)/(x-2)-(x+1)/(x)=(8)/(x^2-2x) The answer i get is :

asked by Marie on February 25, 2007
37. ## math

my daughter is doing homework using greatest common factor, greatest common divisor, and prime factorization. She has this problem: Computers in the research room of the history museum are 30 wide, 30 inches apart and at either end of a row 30 inches from

asked by Darcie on February 16, 2009

my daughter is doing homework using greatest common factor, greatest common divisor, and prime factorization. She has this problem: Computers in the research room of the history museum are 30 wide, 30 inches apart and at either end of a row 30 inches from

asked by Darcie on February 16, 2009
39. ## Algebra

I have some problems that I am having trouble with and I have some that need checking please. Thanks! Solve the equation. 4. (x+7/4)=2(x-1/6) Find all the value(s) of x that make thedenominator(s) zero. Then solve the equation. 6. (x-8/2x) +5= (x+6/x)

asked by Soly on August 21, 2007
40. ## algebra

Use < or > to make the statement true. -11 > -5 is this right. Solve for the indicated letter. b=2c for c The solution is c=2*c is this right. Solve -0.5

asked by Keaton on April 6, 2009
41. ## Algebra A

write a short story problem that can be solved in one step. Write an equation that represents the problem. Name the property used to solve the problem, and then solve the problem. PLEASE HELP WITH THIS ASAP!!!

asked by Lesley R. on January 25, 2019
42. ## statistics

34. Two students (say A, and B) are challenged to solve a problem in statistics. Suppose that the probability that A will solve the problem is 40%, the probability that B will solve the problem is 55%, and the probability that A or B will solve the problem

asked by meri on June 30, 2015
43. ## Math

Elena wrote the equation 5x = 25. She wants to multiply 25 by 5 to solve it. Does this make sense? Explain why or why not, and then give the solution.

asked by DA QUEEN on February 7, 2018
44. ## math, question

Is there anywher i can go for further explanations on how to solve for the following statements on how to solve them: Dividing writing each result in simplest form & adding & subtracting The second sentence makes no sense to me.

asked by Jasmine on December 5, 2006
45. ## Algebra A

write a short story problem that can be solved in one step. Write an equation that represents the problem. Name the property used to solve the problem, and then solve the problem. can anyone give me the problem and the name of the property? ASAP HELP

asked by Lesley R on January 25, 2019
46. ## chemistry

The Ka of a monoprotic weak acid is 7.25 × 10-3. What is the percent ionization of a 0.167 M solution of this acid? If the concentration is more than 1000 times greater than the Ka, then you can make an assumption that simplifies the algebra needed to

asked by sara on April 10, 2013
47. ## math

i got help with this problem a couple days ago. the answer and explanation given made sense to me but on my list of answers it said the the answer is suppose to be: r=[-pih+sqrt(pi^2h^2+2piA)]/2pi if anyone can figure out how to get that thanks so much.

asked by alk on August 11, 2008
48. ## math

how would you solve for y in this problem: x=(y^2+3y)^(1/3) would it equal: y= x^3/y - 3 ? and what about this problem: x= 1/[(y^2+3y-5)^3] would it equal: y = y/x + 5/y - 3? I would appreciate your help very much! Your equation is correct but it does not

asked by kristie on June 27, 2006
49. ## math,algebra II

I need someone to explain to me step by step the process of this problem its in my book as an example but i am not understanding it. Ive researched the explanation of the ECHELON METHOD...BUt i am not seeingit...this is the problem that they have: Use the

asked by alma20 on June 1, 2007

Choose the equation that you can use to solve the problem. 1. 86 is 45% of what number? 86 = 0.45n N = 0.45 x 86 0.45 = n x 86 86 = 45n Choose the equation that you can use to solve the problem 2. What percent of 26 is 4? 0.26 = n x 4 n = 0.26 x 4 4 = n x

asked by -.-hello on February 5, 2019
51. ## Algebra

I do not have to solve the problem--I need to make an equation or two that would HELP me be able to solve it. Tommy's Lumber can convert logs into either lumber or plywood. In a given day, the mill turns out twice as many units of plywood as lumber. It

asked by Nessie on February 10, 2009
52. ## PHYSICS'S

How much heat would it take to change 1.0kg of water at 20°C to steam at 110°C. I can't get the right answer that is 2.6×10^6J. Please tell me how can I solve this problem, I want to learn how to solve These problem plz help me.

asked by Riana on March 31, 2013
53. ## mat/116

Will someone please help me slove this problem? Use the elimination method to solve the system of equations. 5u+2v=-18 3u+v=-5 I have tried to solve this problem several times and have not gotten the correct answer please help. Thank you.

54. ## Algebra

FIND THE GCF OF THE PRODUCT (3B+6)(2B-10) SOLVE... X^2=-6X x(x+6)= 0 x = -6 or 0 it would = 0 help me solve this problem.. solve for W: 2L+2W=38 please and thank you!

asked by Tomika on June 26, 2007
55. ## math

how do you solve this problem? 1/2x - 3 = -1 Let me make sure I understand the problem. Do you mean (1/2)x - 3 = -1, i.e. .5x-3 = -1?, or 1/(2x) - 3 = -1 I'm going to suppose you mean the first one. There is one very simple, but very important postulate of

asked by vicki on August 31, 2006
56. ## math!!

Solve each problem 3. 2/3 = 1.2/x x = 18

asked by mistake on November 19, 2017
57. ## Problem solving:for 3rd grade

Write a real-world problem that you can solve by adding or subtracting.Then give your problem to a classmate to solve.

asked by Jon on October 25, 2012
58. ## progamming JAVA

1.Write an algorithm, in English, to solve the following problem. Be sure to include pre- and post-conditions! 2.Problem: Solve X mod Y for all positive integers. Do so without using multiplication or division. 3.What is (7 / 3) + (4 % 5)?

asked by Johny on April 17, 2010
59. ## math

Recognize that rectangles that have the same area can have different perimenters. Do rectangles with the same area necessarily have the same perimeter?Give an example to support your answer. How I would handle this is to first look at the formula.

asked by yoko on March 14, 2007
60. ## Algebra

I'm really lose with this problem...HELP Using Cramer Rule If D=O use another method to solve 2x/3-5y/2=3/2 -x/4+5y/2=7/2 I don't know where to begin on how to solve this problem.

asked by Gwendolyn on September 16, 2011
61. ## English

1. The problem is so difficult that I cannot solve it. 2. The problem is too difficult for me to solve. 3. It is too difficult for me to solve the problem. (Are the three sentences the same? Do they come from the same structure? Can we omit 'that' in

asked by rfvv on May 3, 2010
62. ## math

i don't get how to do this problem mrs. sue please help how would you convert the repating nonterminating decimal to a fraction? explain the process as you solve the problem/0.1515... remember to show all of the steps that you use to solve the problem how

asked by kathy on October 25, 2014
63. ## Algebra

91. Find the domain of: y=-3x+1 a. all negative numbers b. x>0 c. all real numbers d. x=3 Can someone please show the work and how to solve this problem. There are many of these in my lessons and I don't understand how to solve them. Do you solve for x?

asked by y912f on May 7, 2010
64. ## Math

Solve the system of equations by substitution and explain all your steps in words: 3x + y = 12 x = y − 8 . Is this a good way to explain this problem? Step 1: Since X is given to us. We can plug it into the x-value in the first equation. x= y-8 into

asked by Josh on March 13, 2019
65. ## How do I do this.?(Math.)

Use the Substitution method to solve the system of equations. y - 2x = -5 3y - x = 5 Solve one of the equations for x or y. Let's solve the first one for y: y - 2x = -5 y = 2x - 5 Now let's substitute 2x - 5 for y in the second equation to solve for x:

asked by Margie on February 5, 2007
66. ## math

actually, in a addition to the question i posted a few minutes ago, can someone please help me with a few actual specific questions? thanks so much i'm very confused and i've been working on these all day. *Literal Equations* ~solve for x ax + bx = 8ab

asked by kim on October 26, 2007
67. ## Algebra

It does, thanks. I'm currently working on solving algebraic equations with two variables (Example: 3x+4y=9). The computer lesson has taught me nothing but to solve the equation by trial and error -- selecting the proper ordered pair from a multiple choice

asked by Jack on June 20, 2007
68. ## Algebra: Steve

I already asked this question,I just wanted to clarify the answer. Problem: The polynomial f(x) has degree 3. If f(-1)=15, f(0)=0, f(1)=-5, f(2)=12, then what are the x-intercepts of the graph of f? Steve: clearly, f(0) = 0 so, f(x) = ax^3+bx^2+cx =

asked by Trish Goal on November 15, 2014
69. ## math

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

asked by Michelle on March 5, 2008
70. ## algebra

Solve the system by graphing. x + y = 4 –x + y = 2 confused where do i start do i need to solve for x and find points I'll bet that after doing a few like this you would be able to do this one in your head. just add then up. The x's will cancel and you

asked by TAMMY on April 27, 2007
71. ## Problem Solving Math Question

Find the sum of all the numbers in the following array: 1 2 3 4 5 6........100 2 4 6 8 10 12 ......200 3 6 9 12 15 18 ......300 . . . 100 200 300 400 500 600 . . . 100(x)100 Can anyone help me?? I'll suggest how to solve this, but you'll need to do the

asked by Krisy on August 27, 2006
72. ## DanH-Algebra 1

Solve the system of equations using the Addition method. 2a + 3b = -1 3a + 5b = -2 Margie: Roger's answer below is correct. If you don't understand it, please try and tell us what you don't understand. He makes it sound so strange can you ask him to

asked by Margie on October 14, 2006
73. ## math

question 1. Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. Solve the inequality and describe the solution set. y–6≥12 question 2.Note: Enter your answer and show all the steps that you use to

asked by helpmeee on May 13, 2019
74. ## Calculus - Seperable Equations

Solve the separable differential equation (dy/dx)=y(1+x) for y and find the exact value for y(.3). dy/dx = y(1+x) dy/y = (1+x)dx Integral (dy/y) = Integral (1+x)dx ln (y) = x + (1/2)x^2 + C y = e^(x + (1/2)x^2 + C) y(0.3) = e^(0.345 + C) I am stuck here.

asked by COFFEE on June 26, 2007
75. ## Physics

When you see a traffic light turn red, you apply the brakes until you come to a stop. Suppose your initial speed was 12.9 m/s, and you come to rest in 35.0 m. How much time does this take? Assume constant deceleration. What equation do I use to solve this

76. ## Math Help plz!!! Really need help.

Use the Systematic Trial to solve this problem. Peanut-Pecan Problem Peanuts sell at \$5/kg and pecans sell at \$20/kg. Marika wants to make 30kg of a mixture of peanuts and pecans that will s ell at \$10/kg/ How many kilograms of peanuts and pecans should

asked by Jolley on November 28, 2006

Use cross products to see if each pair of ratios forms a proportion. Replace each box with = or ≠. 1. 7/5 ? 15/10 = ≠ 2. 6/8 ? 15/20 = ≠ Solve each problem. 3. 2/3 = 1.2/x x = 18 x = 1.8 x = 0.2 x = 10 4. 4/5 equals 8/x plus 2 x = 4 x = 9.5 x = 2 x =

asked by Delilah on October 26, 2012
78. ## GENERAL CHEMISTRY

CALCULATE THE pH AND HYDROLYSIS IN 0.10 M AlCl3 SOLUTION.Ka = 1.2 X 10-5 FOR [Al(OH2)6]+3,OFTEN ABBREVIATED Al+3.TELL WHETHER pH IS ACID OR BASE.GIVE IONIC EQUATION. Help us a little by telling us how much you know to do and exactly what you don't

asked by SHAWN on July 29, 2007
79. ## math,help

can someone help me with this i am lost now i've been doing math for the past 8 hrs. Problem # 1 solve: 4(x-10)-3x=x-40 Problem # 2 solve for t: a = p + prt Problem#3 translate to an algebraic equation 7 less than the quotient of a number and 3 is twice

asked by jasort20 on March 18, 2007
80. ## Math

Please explain in detail how to solve the following problem using elimination: It takes a florist 3 h 15 min to make 3 small centerpieces and 3 large centerpieces. It takes 6h 20 min to make 4 small centerpieces and 7 large center pieces. How long does it

asked by Jane on December 29, 2011
81. ## Chemistry

I have realized I don't understand Avagado's number at all My book shows me this diagram instead of just providing a simple formulas that makes no sense at all here is what I have made sense of so far (6.022 x 10^23 atoms/mol)(mass of element) = molecular

asked by Kate on July 3, 2010
82. ## Math

Can you help with this equation? Have to solve for the indicated variable: For x: With equation y = x + 1/x - 1; in case it doesn't make sense; the x + 1 is in the numerator and the x - 1 is in the denominator. Thank you for your help. Cassandra

asked by Cassandra on April 18, 2015
83. ## algebra

How do you simplify (4x^3y^5)^2? are you using the carrots for symbolising "the power of..." or fractions? if i know what your using them for then i can help you. yes. 3^2=9 okay. then it would help to put the exponents out of the parenthesis:

asked by Jack on February 25, 2007
84. ## Math

Ok we are doing central angles and arcs and I can't figure out how to solve this problem: An arc is 70.7 m long and it subtends a central angle of 2ð/7. Find the diameter of the circle. How do you solve for this type of problem?

asked by Breann on September 16, 2007
85. ## College Finite Math

Suppose for this problem that Pr[E]=13/24 and Pr[F]=5/8 and Pr[(E U F)'] = 0. Finding Pr[E/F] and Pr[F/E]. For this problem I added 13/24 + 5/8 and got 1.17, therefore, I assumed that .17 is the intersection between Pr(E) and Pr(F). I know that to solve

asked by Rory on March 16, 2009
86. ## math

idk if this is supposed to be common sense but, i need help understanding why when i make this equation solve for (y) that there is a plus/minus answer. (yx)yx = 2x y = .5(sqrt(2x)/2) y = .5(-sqrt(2x)/2)

asked by eric on January 17, 2014
87. ## Algebra

Translate each problem into a system of equations. DO NOT attempt to solve. JUST write the equation(s). Mountainside Fleece sold 40 neckwarmers. Solid color neckwarmers sold for \$9.90 each and print ones sold for \$12.75 each. In all, \$421.65 was taken in

asked by Nessie on February 10, 2009
88. ## algebra 2

i need help with my algebra 2 homework, the section is called using matrices to represent data. here is one of the problems: -1/2A+(B-A) A=[7 3 -1 5] [-2 8 0 -4] and B= [6 0 11 -3] [-5 2 -8 9] i don't know how to do this problem and the book doesn't have a

asked by brittany on March 17, 2009

Good evening ~ I have 2 questions. Kelsey was assigned math homework. He was given 8 word problems to solve. He estimated that it would take him 5 mins. to solve each problem (THAT WOULD TAKE 40 MINS. FOR KELSEY TO COMPLETE HIS MATH HOMEWORK) ? HOW TO

asked by Ross on December 4, 2008
90. ## Pre-Algebra

Can someone show me how to solve this problem step by step?Here is the problem, 26cm/s= m/min,how to solve it by convert rate suing dimensional analysis.

asked by kj on January 1, 2011
91. ## Math

1.2 (1+ 23.0 x 10-6/°C*50) Could someone solve this problem for me and tell me how did you get the answer? I've tried to solve this problem in so many ways, but can't get the right answer. My multiple choices are A.0.001386 meters, B.0.00180 meters,

asked by Mirayah Robinson on August 19, 2005
92. ## math

Hi, I'm trying to solve this problem and I can't seem to come up with the answer that the answer book says. It is 3 = -20/3 + b So I want to solve for b I add 20/3 to both sides so I get 3 + 20/3 = b When I make the same denominators, I get 9/3 + 20/3 to

asked by Sue on October 30, 2017

Max kept records about where he spent his money. At the end of the year, he announced that he had spent 1.2 of his income on food and rent, 1/2 of his income on clothing, 1/12 on entertainment, and had saved \$1400. Mike said he spent 1/2 of his income on

asked by Andre on April 7, 2009
94. ## English

1. Mom can solve this problem. 2. Mom can solve this math problem. ------------------------------------------------ What does #1 mean? Can #1 mean #2? Can #1 mean that she can solve a problem in life?

asked by rfvv on June 14, 2018
95. ## math

how would you convert the repating nonterminating decimal to a fraction? explain the process as you solve the problem/0.1515... remember to show all of the steps that you use to solve the problem how would you convince a fellow student that the number 0.57

asked by kthy on October 25, 2014

144/k=9 I don't understand how to do this using reciprocals, how my teacher wants me to solve the problem. Note: The fraction bar is in my paper, so it's 144 being the numerator, k being the denominator, and then =9 if that makes any sense.

asked by Nicki on April 25, 2011
97. ## College Math II

Solve each problem. Find the quotient and remainder when x^2 – 5x + 9 is divided by x – 3. I don't understand how to divide and solve this problem. Can someone help me understand the steps on how to do it. Thanks.

asked by Lori on November 21, 2009
98. ## Math

How would you solve this problem?: x2 + y2 = 25 x2 - y = 5 You have to solve for one variable either by substitution or elimination method and then use the answer to plug it in one of the equations to get the other variable. I've been at this problem for

asked by . on November 22, 2009
99. ## MATH

1. which ratios form a proportion a. 3/15 , 12/55 b. 8/24 , 12/35 c. 5/18 , 25/90 d. 4/11 , 16/25 4. solve the proportion using number sense: 2/8 = x/48 a. 6 b. 12 c. 16 d. 8 5. Solve the proportion using cross products. 18/20 = k/110 a. 99 b. 122 c. 3.3

asked by Tordy on December 8, 2017
100. ## Calculus

Solve the following initial value problem explicitly: y'= ye^-x , y(0)=1 How do you solve this problem? I'm really confused!

asked by Tania on February 2, 2011