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 316
1. Algebra

Need help,i need to find the ordered pair. 3x+2y=40 and 2x + 3y =230/19 then i get stuck. please show the steps.

asked by Jenniah on September 16, 2010
2. math

If A =4 B=8, calculate the following (show your answer either as a fraction (lowest) or in decimal form): (A+B)² ------- A

asked by latifa on September 17, 2013

12x+3x=15x use the distributive property to show that each statement si true.

asked by Anonymous on August 19, 2010
4. Trigonometry

Find the domain of each function. And show your steps please. f(x)=x/x^2+1 f(x)=2x^2/x-3 f(x)=Square root of 5-x f(x)=x^3/x^2-16

asked by Karen on October 9, 2012
5. math

If A =4 B=8, calculate the following (show your answer either as a fraction (lowest) or in decimal form): a) A+B ---- A

asked by latifa on September 17, 2013
6. math

IN my math book i got a question that said 1/3 times 25 i got an answer of 10 if it is not right can you show me how to do the problem.

asked by Americal on June 26, 2012
7. science

show the steps a scientist would take to classify a newly discovered animal

asked by rell on December 3, 2009
8. math

what is the greatest common factor of the polynomial show: rectangle tiles that have 6x and 6 look like this: ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** ** !!! !!! !!! !!! !!! !!!

asked by Jason on January 30, 2015
9. Algaebra

Two functions f and g are defined by f:x = 25 /(3x-2) g:x = x^2 Find the composite function Please show all calculations, thank you!

asked by Samantha on December 19, 2012
10. Geometry

Calculate surface area and the volume of a box that is 3m by 2m by 7.5m Show me how to get the answer please.

asked by Thomas on February 28, 2012
11. Math

Let f(x)=sinh^−1(6x). Then f(x) can be written in the simplified form (Ax+B)/(sqrt(Cx^2+D). What are the values of A,B,C and D? Again, please show me how to do this. Thanks

asked by Sara on September 29, 2011
12. math

hi, i don't understand the homework that says show how to make one adden a ten. example: 38+26= Thanks

asked by Gigi on November 27, 2012
13. math

insert a pair of parentheses in equation to show the associative property.

asked by lucas on August 22, 2011
14. algebra 1

The area of a rectangle is represented by x2 – 5c – 14. What are the dimensions? could someone show me how to set this up to figure?

asked by Sam on May 16, 2017
15. Math

Identify the number 113 as either prime or composite. Show or explain why

asked by Larry on October 4, 2009
16. math

If A=4 and B=8, calculate the following (show your answer either as a fraction (lowest) or in decimal form A² + B² -------- A²

asked by latifa on September 17, 2013
17. Chemistry - Solutions

Do all solutes show an increase in solubility with increasing temperature? Explain.

asked by Dick Rogers on October 26, 2007
18. Math

Simplify the rational expression 2x^3-x^2-6x ➗2x^2-7x+6 Pls show steps I want to understand thank u!

19. world literature

In book one of the Iliad what are examples that show that Achilleus is an epic hero?

asked by chelsea on April 5, 2010
20. Math

If the diameter of a circle is 42cm;what is its radius. Show the formula and the calculation

asked by Daniel on November 28, 2016
21. math

if the coefficient of x,x*x,x*x*x in the binomial expansion (1/2+x) whole raise to 2n are in AP. Show that 2nsquare- 9n +7 is equal to zero?

asked by sandra on October 12, 2013
22. basic algebra

1) 2x²-7x-15 2) 9x²+24x+16 Can you show me all the steps...i don't know how to do it...Thankyou!!:)

asked by John on December 29, 2012
23. Computer Science

Could someone show me an example of a service class that reads an input file (Java)?

asked by AmyD on November 10, 2009
24. Maths

if f(x) = 2x - x ln x show that f(e^3) = -e^3 I know you have to substitute e^3 into the function, so Ive sone ths so far: 2e^3 - e^3 ln e^3 What is the next step?

asked by Hannah on November 1, 2010
25. math

2 six sided dice are throne together.what is the probability that a total of 10 is thrown.can u show me how to do please ,thanks

asked by julian on November 8, 2014
26. Biology

I was wondering if there was a way you could show how cells are able to determine themselves and foreign invaders in an experiment?

asked by Alex on March 27, 2019
27. Math

How do I draw Ten Base blocks to show the number 420?

asked by Miranda on February 8, 2007
28. Calculus

find an equation for the line tangent to the curve at the given point and show how y=(x^4+2)/x^2, x=-1

asked by Millie on October 12, 2011

This is the prompt: Write about a time when you had to show respect for authority, even though it was difficult to do so.

asked by Anonymous on October 13, 2006
30. physics

show that nsini =constant where n is refractive index and i is angle of incidence

asked by Abdulrahman on August 25, 2018
31. determining values of x

Given the functions f(x)=sqrt[x] and g(x)=x+1, determine all possible values of x for which f(g(x)) = g(f(x)). Show steps please, thanks a lot!

asked by thomas on May 16, 2012
32. Math

Find each product mentally using the distributive property show the steps that you used

asked by Shan on October 1, 2015
33. Maths

if f(x) = 2x - x ln x show that f(e^3) = -e^3 I know you have to substitute e^3 into the function, so Ive sone ths so far: 2e^3 - e^3 ln e^3 What is the next step?

asked by Hannah on November 1, 2010
34. math

How would you simplify this rational expression: Can you please show me the steps on how you get the answer thank you. 2y+1 over y-2 times (4-2y)

asked by Stacey on April 26, 2010
35. math

help fact the trinomial completely and show how it was done. 12x^3 - 52x^2 -40x

asked by Lorraine on March 31, 2013
36. Math

The sum of 5 consecutive even integers is 50. What is the middle one? Can you show the equation and how you solved it please?

asked by Anonymous on September 18, 2016
37. Chemistry

What is the ppm of 4.50mg of ddt in 10kg of seal fat Please show how

asked by FF on December 3, 2014
38. math- precalculus

Help please! I can't seem to get x as the answer to prove that they are inverses of each other! Show what f and g are inverse functions algebraically f(x)= x-1/x+5 g(x)= -5x+1/x-1

asked by Sara on November 4, 2011
39. Algebra

simplify the complex fraction x/(x+2)/((1/x)+1/(x+2)) if you put that in the calculator it should show you what it looks like properly. A: x^2/2 B: x^2/x+2 C: x^2/2x+2 D: x^2+2x+2/2x+2 I think it is C

asked by Leon on May 22, 2017
40. Hunger Games

what are some quotations that show when Katniss defied the capitol with the berries act?

asked by Anonymous on April 17, 2016
41. Math

I have to find the Unit Price of 64 fl oz = \$2.00 I have concluded that 2 / 64 is the answer but I think there is an easier way to show it please help

asked by Eric on December 8, 2016
42. AP Literature & Composition

in the story marigolds how do these literacy devices show mood and tone

asked by swazit on September 16, 2015
43. Math

How would you use set builder notation to show that sine is discontinuous at every interval pi?

asked by Anonymous on October 7, 2013
44. math

use the given zero to find the remaining zeros of the function: F9x)=x^3-5x^2+4x-20; zero:2i I don't get it. Can someone please show me what to do with this?

asked by aria on March 27, 2013
45. Mathematics Algebra

How do we show that the value of the expression is not less than (b^2 - a^2)? I don't have any idea about proceeding on.Do we have to perform a differentiation or ?

asked by Aanya on May 20, 2017
46. trig

Show that the height, h, of the A-frame is equal to the expression 5sinc(1+2cosc). Im not sure what to do.

asked by mike on October 22, 2012
47. math

my question in (ddistance between two point ) show that the quadrilateral with vertices K(3,4),L(2,0),M(-3,-2), and N(-1,3) is a kit ?

asked by mota on November 23, 2007
48. math

Can you show me how to write this equation: The greater of two consecutive even integers is six less than twice the smaller.

asked by kelley on October 11, 2016
49. math

Show me how to write 201046 in standard form and in expanded notation

50. math

what is formula to show how much time it took car to travel 7km is .4hrs

asked by sara on January 30, 2013
51. math

The perimeter of a square is 64 ft. Find the length of a diagonal. Please show me all the steps.

asked by lisa on April 28, 2012

The coordinates of the vertices of a quadrilateral are A(-2, 5), B(6, 5), C(4, -3), and D(-4, -3). Use slope to show that ABCD is a parallelogram.

asked by Anonymous on March 1, 2014
53. series help maths steve or reiny

find the sum of n-term of the series 1/1+1/2+1/3+1/4+1/5+...+1/n plz show step

asked by weyeremi on April 5, 2017
54. trigonometry

how can i find the anti-logarithm of this number. 5.07843058944 it should be 59477.5 can show me how.

asked by anon on February 21, 2011
55. Maths

The line passing through the points (-1,6) and (4,x) has gradient -2. Find the value of x. Show working out please.

asked by Yasmine on May 26, 2013
56. history

what is the most deadly phase of a volcanic eruption like the one at vesuvius (show link to this)

asked by paul on January 8, 2012
57. MATHS

Divide the x^4 +2x^3 + 3x + 4 by x^2 +x, finding the quotient and the remainder. Show that x^2 + 2x + 8 is an irreducible polynomial.

asked by Billy on January 19, 2017
58. algebra1

how do you simply this? square root of 1500/20 (the / means over) please show steps. thanks!

asked by Emily on August 11, 2010
59. math

If someone could show me how to do this, I am very confused. thank you for your time. Find the y-intercept of the line whose equation is y = - 2.2x-7.7

asked by Mary Ann on January 9, 2015
60. math

What are the steps to show the quotient in simplest form? 0.000027/0.000009

asked by samuel on September 30, 2015
61. Math

show that the quadrilateral with vertices at the following points is a parallelogram and find its area. a = (5,2,0), b = (2,6,1), c = (2,4,7), d = (5,0,6)

asked by Muja on March 23, 2014
62. pre-algebra

show that the number is rational by writing it as a quotient of two integers. 1. 24 2. 5 7/18 3. 1 4. 0.3 im not so sure what your suppose to do

asked by Christa on January 6, 2009
63. Math

A dipole of 1 Debye is equal to 3.33 x 10^-30 C m . Show that in atomic units 1 D = 0.39345 au.

64. Science

where can i find a good site that will show me the change's of the earth's atmosphere?

asked by christina on November 5, 2009
65. Conversion Math

A dipole of 1 Debye is equal to 3.33 x 10^-30 C m . Show that in atomic units 1 D = 0.39345 au.

asked by Taylor on April 14, 2013
66. Statistics

Can you show me how to figure out a sample size of N=60? What would the equation look like and how would I explain it to a class?

asked by Beconna on August 2, 2012
67. Math

without solving, describe two ways to show that 2, -1, 3, and -2 are the roots of the polynomial equation x^2-2x^3-7x^2+8x+12=0.

asked by Han on October 6, 2014
68. MATH

what is a good way to show fractions w/ long equations? Example: 93 + (-3 x 9)/22+1(-4 +5) (note: this is a random example)

asked by Shae on February 25, 2016
69. English

When in the book does does Huck show care for someone elses welfare? What page?

asked by Reagan on November 7, 2012
70. English

Please show me an agumentative essay on boys helping girls in the kitchen

asked by Mary on February 18, 2018
71. Pre Algebra

How do you subtract and add mixed numbers? Give an example of a problem so that I can show you.

asked by Doris on October 25, 2006
72. Math

show that the set of nonzero rational numbers is closed under division

asked by Anonymous on October 7, 2017
73. Science

What is a ten letter word for.. trees that show how organisms are related

asked by Bailey on October 11, 2007
74. 5th

find the missing number: 18,20,20,24,27,27,____,30,33,34,36,36,_ I need you to show me this answer cause, i got stuck with this one. thank you!

asked by pat on September 29, 2010
75. Algebra 1 HELP

I am not sure how to do these 2 problems can someone show me. Simplify the expression Write answers using exponents. 8^6/8^4*8^2 4^5*1/4^2

asked by Karen on December 5, 2013
76. health

asked by james on June 27, 2010
77. physics

how to show with the help of a model that resistivity of a conductor increases with increase in temperature?

asked by edward on June 27, 2013
78. Maths

Rewrite in form of ax^3+bx^2+cx+d (x-1)(x^2+x+1)=2x^2-17 I got x^3-2x^2-18 Is this correct? I am also then asked to show that (x+2) is a factor of the above polynomial. Thanks

asked by Anonymous on November 12, 2015
79. Math

(Write each equation in standard form using integers) y – 4 = -2(x – 3) Please show steps Thank you!

asked by lol on January 2, 2015
80. math

having troulbe with this on can you show how to it Determine which two equations represent parallel lines. (a) y = x + 1 (b) y = x – 4 (c) y = 3x + 8 x (d) y = 3x – 1

asked by Anonymous on January 12, 2008
81. algebra

Show all steps Find the value of y fora given value of x if y varies directly with x If y =-252 when x=84, what is y when x=74?

asked by snow on March 11, 2014
82. Algebra II

Divide -2x^3 + 21x^2-20x-12 by (x-3) I am stuck can someone please show me the steps to this? Thank you in advance...

asked by Cassie on December 16, 2013
83. Maths

if the third term of a geometric sequence is 7, what is the common ratio? would appreciate if u can show me the working. Thank you

asked by Andrew on January 3, 2015
84. precalculus

Show an example where For n odd, the sign of the y-ters differ: (+) for the first expansion, (-) for the second. (For n even, the signs are the same.)

asked by sally on December 17, 2016
85. math

Do the following lines intersect? If yes, show the the point of intersection, if any. 5x+8y=-5 -x-1.6y=14 Can someone help me get started? Im stuck. Thanks!

asked by Anonymous on July 11, 2015
86. Calculus

find how many real roots of, counting multiplicities x(x^2+16)(x^2-x-6)^2=0 please show how to get the answer. thank you

asked by FS on January 17, 2019
87. math

How to draw a picture grid to show 1.8 divided by 0.6? Write the quotient.

asked by Bryan on August 23, 2011
88. college Stats

If Y has a geometric distribution with success probability p, show that P(Y= an odd integer)= p/(1-(q^2))

asked by james on October 20, 2009
89. math

how do you show that line 3x+y-2=0 is a tangent of the curve y=(4x-3)(x-2) and how to find the point of contact??

asked by Jack on October 17, 2010
90. math

show why 7.32(times)0.8 has the same number of digits behind the decimal in the answer as it has in the problem.

asked by dell on September 4, 2012
91. Calculus

y = g(x) = cos(x) Can someone show how to estimate g'(pi/2) using the limit definition of the derivative and different values of h. Thanks!

asked by Henry on July 12, 2015
92. algebra

What are the steps to show the quotient in simplest form? 0.000027 ÷ 0.000009

asked by belle on October 16, 2012
93. help sir steve

find all the value of arccosh^-1(5throot(-18)) express in form of x+jy plz show me how

asked by plz on October 24, 2016
94. math

show me how to cut three sandwiches, three different ways to feed nine people equally

asked by me on October 6, 2011
95. math

find the range of the function. g(x) = 5 + (square root of) (4 - x) please show all steps.

asked by Jack on August 28, 2010

can anyone show me steps in solving for x -49x^2 + 4606x - 52,000 = 42,080 thank you

97. Math

Show how to make one addend a ten. Complete the new addition sentence. 38 + 25=? ---- + ---- =

asked by Melissa on October 15, 2012
98. Math

1.what is the slope of the line in the graph show below this is Algebra 1 a unit 6 lesson 3

asked by Fart on April 25, 2018
99. English

identify one of Gerbner's main arguments,and then come up with a TV show that could serve as an example for that point

asked by Sam on January 28, 2017
100. physics

Show that the time for the voltage in the RC circuit to rise to (Vo/2) "half-max" is t1/2 = T ln 2

asked by Jason on October 29, 2013