# math..solve for u again

159,206 results, page 63

1. ### Alg 1

Graph -4x+y>-6 5y<=-x-20 Then give 2 ordered pairs that solve it& 2 ordered pairs that don't solve it
2. ### algebra

Show how you would solve by Substitution: 2x + y = 0 x – 3y = -7 Show how you would solve by Elimination: 3x + 4y = 1 5x – 3y = 21
3. ### Mathematics

Solve the quadratic equation 3x²=27 Solve the quadratic equation 2x² - 4x + 1 = 0
4. ### helpppppppp

I have this problem abouth math pre algebra this is my problem I have 3 number that makes a total of 11 I have 1 4 6=11 in each way has to came out 11 up down side across and I have 2 more blanck spaces total of 3 its big square need help and I cant use the same numbers over ...
5. ### Math Probability

A math class has 20 students who choose a topic from a list for an essay. How big pool is necessary for the probability of at least one duplicate to drop below fifty percent? I understand it is like the birthday problem, I just do not understand how to solve it still.
6. ### geometery

Can you solve this problem: Identify the letter of the choice that best completes the statment or answer the question. Note: Since there is no symbol on the keyboard for the right angle sign I will use the greater than sign(<)right angle. The greather/less than sign for the...
7. ### MATH

How do yoi solve 1+1=?????????? "WHAT?!!?" ummmmmmm don't u just put the 1's together... i think its 11. Thanks DUDE!!!! :') All this time I thought it was 2! :' ) Ha-Ha! How dumb was I. Welp; that's what I get for thinking.... :')
8. ### Math

can anyone help me at all. I have several of these for homework for tomorrow. Solve for n 2n =4xp - 6 WHOA! Where did "p" come from? That is a part of the problem? Divide each term by 2 to get n = 2xp -3
9. ### College math

-3-4(t-5)=-2(t+3)+11 Multipy out the terms in parentheses and then combine the constants. Adding "2t" to both sides will leAave you with -2t on the lest side. Then solve for t
10. ### MATH

HOW DO I SOLVE A QUADRATIC EQUATION BY FACTORING? Do you have a specific one? You factor it in this form: (x-a)(x-b)=0 then both factors , x-a, and x-b can be set equal to zero, and then x=a, and x=b.
11. ### math- need now

solve the equation by expressing each side as a power of the same base and then equating exponents 3125^x=1/square root 5
12. ### math

I am so confused... what is this question asking me to do? Can someone reword this for me or tell me what I am supposed to do to solve it? Determine whether the triple of numbers can be the sides of a right triangle. 9, 12, 16
13. ### Math

The problem is (14ac)-a^2-2ac+b^2) I need to subtract by removing a factor of 1 when possible the answer that I got is -a^2+16ac+b^2 can anyone tell me if this is right and if not can you help me solve
14. ### college math

solve: (3/x)/1=(7/x-20) i keep getting different answers for this question. the last answer i got was 20 (which would make it not a solution) but im not sure if that is right
15. ### math

Could someone show me how to solve this problem? I am trying to do it myself.I just want to make sure I am going about it the right way. Thank you. z=(SQRTx^2+y^2) (9)^-3/2 (8)^2/3
16. ### math

how can i solve this question 1. my brother left Accra to central region 7:12am and reached 10:45 cover to 180 miles how many per hour?
17. ### math

Write a proportiom to describe the situation the solve. Three cans of dogs food sell for 99 cents. Fine the cost of 15 cnas
18. ### math/trig

I have two questions as I review for a test tommorow, any help is much appreciated!! Solve: 1) 4sin^2x=2cosx+1 2) cscx+cotx=1
19. ### math/trig

I have two questions as I review for a test tommorow, any help is much appreciated!! Solve: 1) 4sin^2x=2cosx+1 2) cscx+cotx=1

use the digits 0 2 4 5 6 and 8 to write two money amounts that you can subtract one dime for ten pennies. Then solve
21. ### Math

I am solving inequalities then graphing my solution. in a problem such as -2(c-1)<-22 how do i solve this? and also how do i know the greater then less then sign is going the right way?
22. ### Math- Problem3

Solve the following inequality and write your answer using interval notation. Please show all of your work. (1 / (x+8) ) ≤ ((8-5x)/43)
23. ### math c30

solve cosxtanx + root3cosx - root3/2tanx - 3/2 = 0 exact value answers and formula for the general solution and specific solutions.
24. ### math

sam chovell is a private detective working in the Bay area. One month he helped the police to solve five mysteries
25. ### Math

Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 10x + 5y = 52.5 30x – 7y = 80.5
26. ### algebra

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

hello I need help to do this exercise Consider the function f (x) = (16 x + 33) / (x +3) 1) Determine its domain Df 2) Solve the equation f (x) = 14 3) Show that for all x in Df: f (x) - 15 = (x-12) / (x +3) 4) deduct the resolution of the inequality f (x)> 15. Thanks for ...
28. ### math

Solve the equation check for extraneous solutions 6/6-4x/=8x+4 I used/ / for the brackets posssible answers x=1 x=5/2 or x=2 x=5/2 x=5/2 or x=1 Not looking for just the answer, would like to know how to get it.
29. ### Math Algebra1A

What are two symbolic techniques used to solve linear equations? The only thing I find is eliminating or substuting is that right?
30. ### Math

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

I have a question. How would you solve a system if the variable and number is in front of the equals sign for example : y=3 4y=2x+18 I need help can someone guide me on this?
32. ### Math

Use the simplex meth to solve the linear programming problem Maximize z = 8x1 + 2x2 Subject to: 4x1 + 3x2 < 11 X1 + 4x2 < 7 With x1 > 0, x2> 0
33. ### Math

Solve and check. ( 3 marks) 5/(x-1) + 2/(x+1)=-6 Here's my work on it: 5/(x-1)+2/(x+1)=? 5/(-3/2-1)+2/(-3/2+1)=-6 Can you show how I would have found x in this situation and also if I went wrong anywhere.
34. ### math

Sin theta equals 5/12 in quadrant, find the exact value of cos 2theta. I'm not sure how to solve this question, I need some help.
35. ### math

how can i solve for x given this?? pls. show detailed solution..just can't figure it out.thanks in advance! 6cosx+3cos35cosx-3sin35sinX=7cosx
36. ### math

how can i solve for x given this?? pls. show detailed solution..just can't figure it out.thanks in advance! 6cosx+3cos35cosx-3sin35sinX=7cosx
37. ### Math

Write and solve a proportion to complete the statement. Round your answer to the nearest hundredth. 90 lb ≈ kg I am having trouble even understanding how to do this?
38. ### Math

What is the simplified form of this expression? m^9t^-10/m^-4t^-5 m^13/t^15 m^5t^5 m^13/t^5 m^-13t^-15 I think it's the third, but I'm not sure if that's correct. I would appreciate if someone could show me how to solve it if it's incorrect.
39. ### Math

What is the simplified form of this expression? m^9t^-10/m^-4t^-5 m^13/t^15 m^5t^5 m^13/t^5 m^-13t^-15 I think it's the third, but I'm not sure if that's correct. I would appreciate if someone could show me how to solve it if it's incorrect.
40. ### Math

Write a word problem involving fractions for which you would use the work backward strategy and addition to solve.Include your solution.
41. ### Math

You have tow ropes one 14inches the other 23 inches if you if you need three feet of rope what do you do use RDW to solve
42. ### math

Use the formula to solve the problems. B * In The amount that results when \$3,000 is compounded at 7% annually over eight years. \$ a0 The interest earned in this case.
43. ### MATH

three consecutive terms of a geomentric progression series have product 343 and sum 49/2. fine the numbers. HOW WILL ONE SOLVE THAT? THANKS
44. ### Math

Which of the following expressions should be placed in each set of parentheses below in order to solve the equation by completing the square? x2+6x+___=15+____ a.3/2 b.3 c.6 d.9
45. ### Math

Solve the inequality algebraically: 5/x-3 + 3/2-x > 1 (greater then or equal to one) I know how to do it in theory but I keep getting the answer of just y=2 and I know that can't be right. Help is really appreciated! Thank you
46. ### Reiny and steve do this for me please

1. Consider the functions f(x)=1/(x)+4 and g(x)=2/(x). Graph f and g on the same grid. a) Determine the points of intersection of the two functions. b) Show where f(x)<g(x). c) Solve the equation 1/(x)+4=2(x) to check your answer to part a). d) Solve the inequality 1/(x)+4&...
47. ### Math math

the arch of a concrete bridge is a semi ellipse having a span of 60 ft and a central height of 20 ft. if the roadway is 25 ft above the base. find at 10 ft intervals the distance from the arch to the roadway. ( im completely lost which to solve/find)
48. ### Clarinet again

How do you blow into the clarinet? I know w/ the either the trumpet or trombone you have to kind of make a sound like a duck or something. What about the clarinet?
49. ### algebra trying again

Translate the following statement into an algebraic equaion. Let x represent the number. 6 times a number is 14 more than that number. I got 6x=x+14 Is this correct
50. ### compound inequality

olve. State the solution set using interval notation and graph it 1/3x > 2 and 1/4x > 2 First should I solve for x. How would you handle this problem? yes, solve for x in each.. x>6; x>8 so if the second condition is met, that is x is g reater than eight, the first...
51. ### math

Ashwin and Kartik went to a resort by the coast for the weekend. Since both of them were good drivers, they decided to drive from their apartment complex in Mumbai. On the way to the resort, Ashwin drove for the first 90km and then Kartik took over for the rest of the journey...
52. ### math

I MUST DRAW TWO CARDS WHOSE SUM IS NINE, FROM A STACK OF CARDS NUMBERED ONE THRU TEN. AFTER THE FIRST DRAW, I REPLACED THE CARD AND SHUFFLE THE STACK AGAIN FOR THE SECOND DRAW. WHAT IS THE CHANCE THAT MY TWO CARDS WILL HAVE A SUM OF NINE IF I DREW 10-TIMES. MY ANSWER IS 20 ...
53. ### Math

I'm stumped on this problem. My math teacher stated to write multiplication tables from 1 to 6 and then solve. I'm not even sure where to start after I finished writing the tables. At the same time, Marisol rolls 2 number cubes that each have sides labeled 1 to 6. What is the ...
54. ### English Comma splices and run on sentences

Janet left fingerprints on the glass, the detectives were able to solve the crime. Janet left fingerprints on the glass so the detectives were able to solve the crime. Janet left fingerprints on the glass; consequently, the detectives were able to solve the crime. Janet left ...
55. ### math

Sara is the manager of The Candle Shop She uses the FIFO method of inventory pricing, what is the dollar value of the ending inventory if there were 17,000 units on hand Dec 31 Jan 1 5,000 @ \$0.89 Feb15 10,000 @ \$0 69 April 15 2,000 @\$1.09 July 15 4,000 \$0.99 Oct 15 1,000 1.19...
56. ### Linear Equations

Can you please help solve this equation using the substitution method? I have tried and keep getting that X and Y = 7/2, but the answer in the book states no solution, inconsistent system. What am I doing wrong? Please help! Solve the systems of equations by the substitution ...
57. ### algebra

Describe in your own words how to solve a linear equation using the equality properties. Demonstrate the process with an example. Next, replace the equal sign in your example with an inequality by using the less than or greater than sign. Then solve the inequality.
58. ### Physics

A spring is compressed .02m by a 0.5kg rock. The spring and rock are on a frictionless horizontal table. a) If the spring has a spring constant of 5N/m what acceleration will the rock have when released? b) How fast will the rock be moving when it reached the equilibrium point...
59. ### Physics

After a completely inelastic collision two objects of the same mass and the same initial speed are found to move away together at 1/2 thier initial speed. Find the angle bewteen the initial velocitie of the objects? Can you please show me the step to solve this problem? I am ...
60. ### Gure Blue

My dearest Guru, Thank you for your kind comments. I am sorry if I appeared serious, anxcious, frustrated, paniced and any other emotion that my have come accross in any offencive or disrespectfull way. I have had a bit of a month though. House flooded, baby sick and back and ...
61. ### Algebra

What is the difference between and equation and an expression? Include an example of each. Can you solve for a variable expression? Explain. Can you solve for a variable in an equation? Explain. Write a mathematical phrase of sentence that can be translated.

1.)Solve for y in the following system of equations. x + 4y = -38 -x - 6y = 58 My answer 1.) -10 2.) 6 3.) 12 4.) 10 2.)Solve for y in the following system of equations. x - 10y = -50 -4x + 6y = -4 1.) -6 2.)3 3.)-3 My answer4.)6
63. ### Algebra 2 Answer Check

Solve each equation. 1. (|3x -4|)/(-5) = 6 A: no solution 2. (|2x -5|) = x + 3 A: x = 8 or x = 2/3 Solve each inequality. 3. |5x + 15| > 20 A: x > 1 and x < -7 4. [(|x - 2|)/ (4) greater than or equal to 5 A: -18 < x < 22 5. (-3) x (|5x - 8|)- 5 greater than or ...
64. ### math

The main span of a suspension bridge is the roadway between the bridge's towers. The main span of the Walt Whitman Bridge in Philadelphia is 2000 feet long. This is 600 feet longer than two-fifths of the length of the main span of the George Washington Bridge in New York City...
65. ### Math

I believe that the answer to the square root of x^2 + 3x = x-3 is X = 3, x=-3 but I'm not sure. I believe the answer to the square root of 8x -2 = the square root of 2x is x=2 again I'm not sure. Square both sides of your equation. It breaks down quite nicely, but remember ...
66. ### Math

During the summer you now lawn's for extra money. One customer pays you to mow every 6 days and the other customer every 9 day's. If you mow both lawn's today,in how many days will you mow both lawn's again on the same day?
67. ### math

A=1/2h (b1 + b2) Solve for b1 A=1/2h (b1 + b2) Solve for b1 I assume this is A = (1/2)(h)(b1 + b2); i.e., the h is in the numerator and not the denominator Multiply both sides by 2. 2A = (2*1/2)h(b1 + b2). 2*1/2 on the right side is 1. 2A = h(b1 + b2) expand the right side. 2A...
68. ### math

A woman goes to a store that sells used books and spends half of her money on books. Each day, she returns to the store and again spends half of her remaining money on books because she does not want to spend all of her money in one day. When she no longer has enough money to ...
69. ### math (opt) math 2

A flagstaff of placed at one corner of a rectangular playground 40m long and 30m wide. If the angle of elevation of the top of flag staff from the opposite corner of 30°, find height of the flagstaff. (The question is complete and I have cross checked the question. ) I made a...
70. ### Algebra

in that equation I have to solve for x. 5. x^3 + 2x^2 - 9x = 18 in this word problem i have to solve my factoring. 8. Suppose the altitude of a rising hot-air balloon is given by h = 0.04 t2 + 2t, where “t” is the time in seconds after the balloon leaves the ground. How ...
71. ### physics

consider three charges: +Q, -Q, q where the center charge is equidistnat from the other two. assum that the two Qs cannot move. you also want to charge q to be at rest. if q=-8.0 nC, find Q+ You don't have to solve it but can you lead me in the right direction to solve the ...
72. ### Math Word Problem

As payment for his daughters yard work, a father agrees to give his daughter an allowance of \$3.50 in the first week of the year with an increase of 50 cents each week until the last week of the year. A) How much money did she receive for an allowance in the last week of the ...
73. ### Math

Two bus services A&B arrive at the station. service A arrives every 15 minutes, service B arrives every 20 minutes. The first bus arrives at 8 o'clock. When will both buses arrive at the station again?
74. ### math

you have 3 hours to do your homework. you spend 45 min on math. you want to divide the time remaining equally along 4 subjects. write and solve the inequality to find the # of minutes you can spend on each subject. I know the answer is 33.75 but can you tell me how to write ...
75. ### algebra

solve and check the equation for x. I just can not figure this out. 5/x+6 + 2/x^2+7x+6 = 3/x+1 Thanks! Use parentheses to tell us whether you mean 2/(x^2 + 7x + 6) or 2/x^2 +7x +6 and also whether you mean (3/x) + 1 or 3/(x+1) and also (5/x)+6 or 5/(x+6) also go to myalgebra ...
76. ### Math. Plz walk me though

A picture of the Sun has 12 identically matched points. Suppose you line up two suns directly on top of each other. What is the least number of degrees that you can rotate the top sun so that so the two Suns are perfectly aligned again. Can someone please explain how this may ...
77. ### Math stem question

The main span of a suspension bridge is the roadway between the bridge's towers. The main span of the Walt Whitman Bridge in Philadelphia is 2000 feet long. This is 600 feet longer than two-fifths of the length of the main span of the George Washington Bridge in New York City...
78. ### English

What did the SS say to Jews as they were taken from their homes? I want to start my report from the time I was taken from my home and I want to use German words to make it seem as if I really was a Jew during the holocaust. Thanks again for the help?
79. ### English

Hello again. Thanks for help. Could you please help me with one more sentence: British troops will withdraw from (leave)the country by 2011 OR will have withdrawn (will have left)? Maybe, both? Thank you very much.
80. ### Algebra 1

find slope 2x-20y+18=0 I've been braking my head and I just can't find the solution. Can you please help me. I would really appreciate your help. Thank you so very much. I now it's m= something, but I don't know what the answer is. Thanks, again!
81. ### Algebra 1

find slope 2x-20y+18=0 I've been braking my head and I just can't find the solution. Can you please help me. I would really appreciate your help. Thank you so very much. I now it's m= something, but I don't know what the answer is. Thanks, again!
82. ### Algebra 1

find slope 2x-20y+18=0 I've been braking my head and I just can't find the solution. Can you please help me. I would really appreciate your help. Thank you so very much. I now it's m= something, but I don't know what the answer is. Thanks, again!
83. ### TO MS.SUE

now check this. THERE ONCE WAS A CLASS NAMED 210 THEY KEPT TALKING AND TALKING AGAIN MRS.BESDEN CAME INSIDE AND ALL THEIR EYES WERE OPENED WIDE AND THERE WAS SILENCE THEN
84. ### English

Can you please help check the sentence again. I forgot to include the verb. If you want, you can help me write a short description of your school including the summer courses and the students' mobility opportunities your school offers.

that should of said Zero: 5 - 3 i for the one that stated use the given zero to find the remaining zeros of the function h(x)=x^4-15x^3+60x^2+70x-816
86. ### English

Identify the excerpt that uses foreshadowing. A.) "They're spoiled and we're spoiled." B.) "I have a feeling it'll be Africa again before then." C.) "Wendy and Peter aren't in their rooms." D.) "They're not old enough to do that alone, I explained." I think it is B. Thank You.
87. ### Calc Help Please Again Last one!

Write out the form of the partial fraction decomposition of the function appearing in the integral: integral (6x-58)/(x^2+2x-63) Determine the numerical values of the coefficients, A and B, where A <= B A=? B=? Thank you guys so much! =)

Simplify (2sqrt(5)+3sqrt(7))^2 ~~~ Can you show the steps. I want to learn how to do it now so I won't have to pester y'all again with my feeble algebra questions :3
89. ### Physics

Two thin slits with separation of .0250mm are placed over monochromatic orange laser light at 610.nm. What is the small angle measurement from the central maximum (zero degrees, inline with the source) to the first maximum? I thought in order to solve this is would be sin^-1(y...
90. ### 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 it. so heres the ...
91. ### Substitution Method!PLZ HELP 2222!!

y-2x=-5 3y-x=5 In the top equation: 1) y=2x -5 Put that in the second equation 3( ) -x =5 solve for x, then put that value of x back in to 1) to solve for y. So would it be: 3(2x-5)=5? would it?PLz help me bob and margie!
92. ### Solving inequalities

I have to solve the following inequalities: x^2 + y^2 is less than or equal to 49 y is less than or equal to 3-x^2 I know that these are the equations of a circle and a parable. There should be 3 solutions. However, I am not sure how to solve these equations. CAn you help? ...
93. ### math

1Approximately 5 out of every 8 students at Kendra's college live on campus. The college has 5,000 students. How many of them live on campus?=3,125 students 2. Solve for the unknown: 2/3/10=1.8/r=27 3. Find the best buy on cashews (1 lb is 16 oz).1 lb 4 oz for \$7.09 4. A ...
94. ### shakespeare again

sorry i have one more that i cant figure out. "take thou soem new infection to thy eye,/ and the rank poison of the old will die. please help i already did like 10 but these are the ones i don't get
95. ### ELA

Which of the following is a simple sentence? A.Dawn mounted the stage slowly B.As she stepped in front of the podium,her legs were trembling. C.She was a talented speaker,and she greatly admired Dr.King. D.When she looked up again,her brother grinned and winked.
96. ### Physics

A ball is thrown straight up at an initial speed of 24 m/s. How long did it take to reach maximum height? How high did it rise before falling again? I am confused on how to attempt this problem. Please provide me with some guidance:)
97. ### geometry

If you make a glass in the shape of a right circular cone (think martini glass) how wide would the glass be if it is 4 inches tall and again holds 12 oz. Does not specify what the 12 oz are
98. ### algebra

when you are given two equations which are both true,and you are asked to solve for both x and y.you plan to solve this set of equations by substituting part of one equation into the other so you end up with an equation that contains only x's or only y's .what is the first ...
99. ### math - discrete math

A vending machine dispensing books of stamps accepts only one-dollar coins, \$1 bills, and \$5 bills. How many ways are there to deposit \$10 for a book of stamps? Note: I have the answer but do not know how to solve for it. Answer: 1,217
100. ### economics

The demand function for a well known economics textbook is: P = 100 - .005Q The publisher must pay \$20 per book in printing and distribution costs and, in addition, it must pay the author a \$20 royalty for each book sold. (a) Your job is to provide advice to the publisher. ...