# Solve using the elimination method. Show your work. If the system has no solution or an infinite number of solutions, state this. 2x + 10y = 58 -14x + 8y = 140

91,718 questions, page 415
1. ## Algebra

5/3x-7≤2 Solve. Note in interval notation So I got 19/6≤x the other is suppose to be x less than 7/3 but I can't get that How do you get that

asked by Terri on October 27, 2013
2. ## PRE CALC

please help me solve this partial-fraction decomposition! 12x-57/(x-3)(x-10)

asked by esora on May 15, 2011
3. ## Calculus

Solve the following equation on the interval [0,2pi) if sin = -0.29?

asked by Ed on August 21, 2016
4. ## Riddle

Please help me solve this Riddle: What is a pair of two, black and white you'll get 6?

asked by Mia on December 9, 2016
5. ## Calculus

Solve the following problem by separation of variables. T^2y'-t=ty+y+1 Y(1)=0 Y is a function of t.

asked by Henry on December 25, 2015
6. ## Calculus

Solve for x in the equation ln(16-12x)-2lnx)= ln4

asked by Emily on February 12, 2013
7. ## Algebra

A number n is less than 6 units from 0. write inequality and solve it.

asked by Matt on September 22, 2016
8. ## math

6.5 meters divided by 0.625....what's the answer and how did you solve it

asked by Kearra on September 4, 2013
9. ## Math

Solve the proportion. Where necessary, round to the nearest hundredth. 8 over 2 = x+3 over 4

asked by Tristan on February 25, 2013
10. ## math

Solve using the multiplication principle and then graph -13x>-65

asked by lana on May 7, 2010
11. ## Algebra

Solve: Type an integer or fraction 8x=4=6x=5 I think the answer is 1/2 or .5 Thanks

asked by Sadie on March 23, 2009
12. ## Calculus

Solve for x in the equation ln(16-12x)-2lnx = ln4

asked by Emily on February 12, 2013
13. ## Algebra 2

Solve the equation log2(x^2-20) - log2X =3 the two is the base*

asked by Ann on February 22, 2015
14. ## 6th grade

how do you solve the math order of operations problem 8-(24/8)^2

asked by sandra on October 8, 2010
15. ## math

how do i solve this using trig identities? 2 csc^2x = 3 cot^2x-1

asked by Kayla on October 16, 2007
16. ## trig

solve for the value of sine and cosine function of 60 degrees.

asked by au on January 8, 2013
17. ## pre calculus

Find the domain of the function h(x) = (x/ x-1) I need to know how to solve this, not just the answer! Help!

asked by amy on December 13, 2011
18. ## Mathematics

Insert three arithmetic mean and solve the nth term of 1 and 2

asked by Anonymous on December 11, 2014
19. ## Math

How do I solve 2x^2-5x=0 by factoring, I tried taking the two out, but that doesn't seem to be working.

asked by Isobelle on October 16, 2008
20. ## Algebra

Solve absolute value t - 2 = -1 A. -1, 3 B. -1, 1 C. -3, 3 D. -3, 1 Thank you!! I got D. Please correct me if I am wrong. Thank you again for assistance.

asked by Kaashif on August 21, 2016
21. ## math

-9h-6+12h+40=22 solve the equation I don't have a clue please help

asked by lost on September 15, 2011
22. ## Math help

Solve this equation and check answer Fraction→n/56=8

asked by Nina on October 27, 2013
23. ## 11th grade

solve a perfect square trinomial equation. (4x+1)(x+4)=49

asked by emms on November 8, 2009
24. ## math

how to solve linear functions f(x)= 2x if x greater than or equal to -1 x-1 if x less than -1

asked by sheri on February 9, 2014
25. ## trig

solve for the value of sine and cosine function of 60 degrees.

asked by au on January 8, 2013
26. ## Maths

Solve the initial value problem (dy/dt)+2y=15 sin(t)+15 cos(t) with y(0)=3

asked by chris on April 11, 2011
27. ## Algebra

How to solve for 3n = 5 ? I know it has to do with log, but I'm not sure how to find the answer. Thank you so much in advance ^-^

asked by Lynn on June 19, 2010
28. ## geometry

i don't know how to solve for x when there are alot of missing numberz

asked by shala on April 2, 2008
29. ## Algebra 1

Please help me check my answer. Solve by completing the square. x^2-4x=10

asked by Cynthia on June 14, 2008
30. ## math

Solve the following equation. log4(x+2)=lo4^7 Both of the 4's should be dropped down.

asked by Austin on January 3, 2013
31. ## algebra 3

How do you solve "find the domain of x in the expression sqrt 25-x^2"?

asked by CBT on January 3, 2011
32. ## Geometry

Given the vertices of RST where R (3, 2), S (-1, 1) and T (0, 4), explain how you would solve for R’S’T’ after the translation (x, y) (x +3, y – 1).

asked by Need Help on April 14, 2011
33. ## physics

Solve for v1. O.500km/v1+3.50km/2v1=0.250h

asked by john on November 21, 2010
34. ## Algreba

Solve the following linear equation and simplify your answer. −18(y+34)=38(y+18)

asked by Monica on October 25, 2017
35. ## algebra

solve the literal equation for x. Square root 3x + 2y +5x=4, for x

asked by debbie on September 1, 2014
36. ## Math

Solve the equation e^x-10=10. Do I have to change it to log form? What do I do after that?

asked by Cheezel on May 30, 2016
37. ## Pre Calc

Solve the equation on the interval [0,2pi). cos2x=(*2/2)

asked by Megan on August 27, 2009
38. ## Algebra 2

PLEASE HELP!!!!!!!!!!!!!!!!!! Solve each equation using the Quadratic Formula. x^2+12x+35=0

asked by Taylor on November 17, 2014
39. ## math

solve each equation 1) log5-log2x=1 2) 2log(x+1)=5

asked by lisa on March 10, 2013
40. ## maths

What are the steps to solve it? lim (x^2+y^2)/(sqrt(x^2+y^2+36)-6) as (x,y) approaches (0,0)

asked by jack on September 10, 2011
41. ## Algebra

Kindly solve this and give its restriction. (5-xy)/(9z) - (14+8xy)/(9z)

asked by Anne on August 13, 2012
42. ## 3rd grade math

explain how you can use the basic fACT FOR 9+6=15 TO SOLVE THE NEXT EQUATION

asked by samantha on October 26, 2010
43. ## radicals

(sqr8) {(sqr9ab)/(sqr3b) + (sqr27a)} How do you solve this

asked by Chad on February 7, 2016
44. ## mathh

2sec^2x -3tanx =5 for [0,2pi) Please solve for the values of x for me.

asked by tom on December 27, 2017
45. ## Math

If x^2 - x - 6 = 0 and x^2 + 5x+6=0, what is the value of x? A) -3 B) -2 C) 2 D) 3 E) it can't be determined from the information given. I got B. By plugging in the answers. Is there an another way to solve this?

asked by Jessica on December 30, 2017
46. ## Pre Calc

Solve the equation on the interval [0,2pi). cos2x=(*2/2)

asked by Megan on August 26, 2009
47. ## Algebra

Find k, given that (2,k) is equidistant from (3,7) and (9,1). The answer is : k=0 How do I solve this problem?

asked by Alex on August 13, 2012
48. ## math

what does it mean when you are solving an equation, and, the variable that you are trying to solve for cancels itself out?

asked by kim on October 26, 2007
49. ## Math

x(.6917)+(1.0318x)(.3083)=63.546 Solve for x

asked by Vanessa on September 3, 2014
50. ## Algebra

I am stuck and hope that you can help me... How do I solve 3x^2-x-4=0 by completing the square? Thank you so much!

asked by Tanya on December 1, 2010
51. ## Calculus

How do I solve for: 5000 = 45t^2 + 240t + 450

asked by Helen on March 11, 2011
52. ## chemistry

How do u solve this calculate the mass of (NH4)2SO4 if 16 g H is used

asked by Anonymous on November 4, 2010
53. ## mth121

mth 121(solve the linear equation:2x+3y=3, x-2y=5 and 3x+2y=7.)

asked by Anonymous on May 3, 2015
54. ## math

please help me how to solve the integral sinx/x dx from 0 to infinite : ∫_0^∞▒〖sin⁡x/x dx〗 thank you

asked by deel on March 24, 2013
55. ## Math (Algebra)

Could someone help to explain to me how factoring is used to solve quadratic equations?

asked by Lynn on July 27, 2010
56. ## Maths

Please help me solve this differential equation: dy/dx+ytanx=y^3¡¼sec¡½^4x

asked by Taldil on February 26, 2013
57. ## calculus

Let f(x)=(x-1)/(-x^2+2) a. Is this point (-1,-2/3) on the graph of f? b. State the domain of f and then solve f(x) 1/2?

asked by Staffon on July 1, 2011
58. ## algebra

Use the quadratic formula to solve the equation. -4x^2-3x+2=0 Can someone please explain

asked by Lee on November 1, 2012
59. ## ALGEBRA II

Write each series in summation notation: *this is the only one that i cant solve -2+4+(-6)+8+(-10)+12 Please help! :(

asked by Sora on April 18, 2015
60. ## Calculus

Solve the following differential equation with initial conditions: y"=e^(-2t) + 10^(4t); y(0)=1, y'(0) = 0

asked by Pax on May 15, 2015
61. ## Algebra

How do I solve this equation? 1+1/x over x over 1/x-1 By the way this is a Complex Rational Expression.

asked by Anonymous on May 31, 2016
62. ## 5th grade math

how do solve the equation to the answer of 26? 7x4-4 divided by 2 =26?

asked by Jan on November 4, 2009
63. ## jay

The formula for the perimeter of a rectangle is P=2(l+w)P=2(l+w). Solve for w. w=2P−lw=2P−l w=p2−lw=p2−l w=p−l2w=p−l2 w=P2+l D?

asked by math on September 21, 2016
64. ## algebra

Solve by using the quadratic formula. 8. x^2+ 7x – 3 = 0 would the correct answer be x= 7.40 and x= 0.40 ?

asked by xo on May 28, 2019
65. ## geometry

ABCD is a parallelogram. solve for x and find the lengths of BC=16+2x and AD=10+8x

asked by ana on January 4, 2011
66. ## segments in a circle

If PT = 5.3, TU = 3.8, and UV = 6.4. Solve for the measure of VS Is there a figure that goes with this question? Without some further description, we can't help you.

asked by mike on May 8, 2007
67. ## math

Solve each equation by testing the given values for a variable y-9=11 y=18, 19, or 20

asked by Gio on November 20, 2012
68. ## Math

Heath wants to subtract 14-9. What is the best way to decompose 9 to solve this problem? A. 4 and 5 B. 3 and 6 C. 2 and 7 D. 1 and 8

asked by M.E. on November 17, 2011
69. ## math

Solve the following set of equations. Can I use y = mx + b to calculate the equation 4x−y = 6 2x + 3y = 5

asked by Lisa on June 25, 2017
70. ## Math

7. Solve the following differential equations :3e x tan y dx + (1 â€“ e x ) sec2 y dy = 0 given that , 4 y ï° ï€½ when x = 1.

asked by Anonymous on January 5, 2018
71. ## Math

Solve for x: e^4x-3 = 2e^2x1 ln2x+6) - ln(3x-1) = ln(2) Then, simply the radicals

asked by Jake on December 14, 2016
72. ## math

solve by factoring and using principle of zero product 2k^2=27k-81

asked by luz on March 31, 2013
73. ## Math

solve the equation sin(3x) + (1/2) = 2cos^2(x) for X to be between 0 and 360

asked by sahmit on April 14, 2011
74. ## Maths

'a' and 'b'are integers and (a, b) = 2. Solve the following two equations: (a+b)^2 = 25a 18(a^4) + (b^4) = 41a(b^2) Can't get it, help please?

asked by Rohit on January 4, 2011
75. ## Calculus II

Solve the Initial Value Problem: Let k and Po be positive constants. P(0)=Po dP/dt = kP^2

asked by Michelle on March 17, 2009
76. ## algebra

Can someone please help me solve (2f^2 g^3) ----------- 4 (3fg) posed to be a fraction bar with the four on the outside of the ()

asked by steven on February 10, 2013
77. ## Calculus

Given 4∫8 (4 on top, 8 on bottom) f(x)dx= 12 and 4∫8 g(x)dx= 5. Evaluate the following: 4∫8 [2f(x)-3g(x)]dx Would I just put 12 in for f(c) and 5 in for g(x) then solve?

asked by Leila on November 9, 2016
78. ## Triginometrry

Solve an equation 8x^3+4x^2-18x-9=0 algebraically for all values of x.

asked by William on January 1, 2010
79. ## algebra

5/x-3/4x=23/x+6 first I made it 20/4x-3/4x=23/x+6 Then I am stuck how to solve the rest of the equation Can you please help. Thank you

asked by sara on September 21, 2016
80. ## Algebra 2

How do I solve this using the Quadratic formula and finding the determinant? 1. 5x-6=0 2. x+25=0

asked by Jessica on November 12, 2014
81. ## math

f(x)= |x|/x for x cannot equal 0 and 0 for x=0 the value from integral -5 to 3f(x)dx is -2? How do I get the graph of this without using a calculator and solve for this

asked by Anonymous on April 9, 2019
82. ## Precalculus

Suppose f(x) = 3^x a) Find x where f(x) = 1/27. b) Estimate the value of x where f(x) = 24. So, a) f(x) = 3^x f(1/27) = 3^1/27 b) f(x) = 3^x f(24) = 3^24 Don't know how to solve them :( Please Help!!

asked by jh on February 10, 2010
83. ## Algebra

Solve sytems of equations for 7x-3y=31 and y-5=3x I need to find what x and y equal. thanks!

asked by Ellen on April 20, 2008
84. ## Math

8x + 14y = 24 6x + 7y = 10 We are suppose to solve for x and y but I don't get the right answer

asked by Adam on February 2, 2017
85. ## Math

I have to find the quotient of 6 divided by 1/5 So I write 1/6 x 1/5 to solve?

asked by Livi on January 27, 2013
86. ## Tricky Math tho (Damon)

Divide. (25x^2 - 40x + 18) div. (5x - 3) need to know how to solve this

asked by This Girl on June 13, 2014
87. ## functions

solve x^5-16=0 completely given that 2 solutions is 1 (hint there are 4 zeros)

asked by jerson on November 18, 2008
88. ## precal 2

use the law of cosines to solve the triangle A=55 degree, c=10, b=3

asked by danielle on July 29, 2011
89. ## Math

a = 9, b = 3, and c = 11. Use the law of Cosines to solve B. My ans: 12.90 degs?

asked by Anonymous on November 6, 2015
90. ## ALGERBA

x-5 x-1 ----- = ----- -2 -3 Solve for x. I understand there is cross-multiplying involved.

asked by Drizzelia on October 20, 2016
91. ## MATH HELP!

solve equation exactly over interval (0, 2ð) sin(x)= 1-2sin^2(x)

asked by Luis on October 25, 2011
92. ## Algebra

How can this be? I am supposed to solve (-3-8i)-(-2-9i). Once it is broken down, you get (-3+2)-(8i-9i) I got -1+-1i, but my book said the answer is -1+i. Thanks for your help.

asked by Eliza on November 19, 2008
93. ## Math

Solve this radical equation algebraically: 2x-5(sqrtx)-3=0

asked by Bob on September 11, 2015
94. ## 12th grade

Solve this quadratic equation b2 - 10b plus 25 equals 0

asked by Anonymous on April 18, 2010
95. ## math

Let 2^a = 5 and 2^b = 10. Using exponent rules, solve the equation in terms of a and b. 10^x =(1/64)

asked by Katie on March 3, 2013
96. ## math

solve x in terms of a b and c: bx+a=c i have x= ___-a=c____ b is this correct?

asked by Anonymous on April 28, 2011
97. ## math

Solve for ALL values of x, where 0

asked by Anyashka on January 26, 2015
98. ## Math

Create a scenario in which you must use linear functions to solve.

asked by M on November 5, 2014
99. ## Algebra 2

Did I solve this complex rational expression correctly? (2/3)-(x)/(2/3)+(x) 2/3-x = 2/3-x(3)/1(3)= (-x)+(2/3) (2/3)+ (x)= 2/3 + x(3)/1(3)= (x)+(2/3) (-x)+(2/3)/(x)+(2/3) = -(3x-2)/(3x-2)

asked by Sally on September 12, 2015
100. ## MATHEMATICS

HOW TO SOLVE THIS EQUATION: 0.2*Z + LOG(10.2*Z)= 3.512 THANKS IN ADVANCE

asked by NICK on October 29, 2010