# 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 321
1. ## Geography

What is a topographic Map and what does it show you on it? http://en.wikipedia.org/wiki/Topographic_maps

asked by Elizabeth on November 7, 2006
2. ## Stats

a die is rolled three times. find the chance that not all the rolls show 3 or more spots

asked by Fay on December 4, 2011
3. ## biology

what characteristics appear to show consistent development over the 4 million years of hominid evolution?

asked by alex on February 26, 2013
4. ## college physics

Show that the motion of a particle in a central force field is always confined to a plane.

asked by manisha on September 13, 2014
5. ## Math

Determine whether the statement is true or false. Show or explain why. If n is a natural number and 4 | n, then 8 | n.

asked by Lyndse on October 4, 2009
6. ## calculus

let m and b be nonzero real numbers if the line y=mx+b intersects y^2=4px in only one point, show that p=mb

asked by Joseph on May 24, 2011
7. ## social studies

show me a pie chart with the population and land ownership of france in 1789

asked by courtney on December 8, 2010
8. ## maths urgent please

the chord PQ joining the points P(2p, p^2) and Q(2q, q^2) on x^2 = 4ay always passes through the point A(2,0) when produced. show that (P+q) = pq thanks!

asked by Candice on October 20, 2012
9. ## statistics

Show that for all three distributions (Binomial, Poisson and Geometric) the probability of finding at least one ace is around 55%

asked by Charles on January 28, 2010
10. ## math

Show the net of each solid and a diagram showing the nets with broken lines

asked by Osheen on April 6, 2016
11. ## muah

using only words and no numbers how would i explain the steps necesarry to show how many kilograms are in a milligram? thanks :D

asked by Chemistry on September 26, 2010
12. ## Math

Helping 3rd grade granddaughter and I am lost What property does this show? ****=* * * * This is all that is shown

asked by Karen on February 9, 2015
13. ## algebra

Let R={(x,y)∈R×R│⟦3x⟧=⟦3y⟧}, where ⟦x⟧ ┤ denotes the greatest integer less than or equal to x. Show that R is an equivalence relation on R. Determine R⁄R .

asked by arthur on June 26, 2016
14. ## Measurement and evaluation

Identify four natural and four locally made measuring instrument and show how they have been used. Please help me.. Urgent

asked by Somay. on January 5, 2018
15. ## college

What is the probability that 4 rolls of fair die will show three 4's? the answer is 0.015, but I don't know how to get it.

asked by Dan on November 17, 2008
16. ## Math

Can you show me the formula used for the following question - how can 7 kids share 3 liters of soda equally?

asked by Seth on January 14, 2014
17. ## math

show why two thirds of 9 and one third of 18 name the same number.use counters or draw a picture to explain your reasoning.

asked by kyle on February 24, 2011
18. ## English

How does Dos Passos show bias in the book Manhattan Transfer? (examples) Thank You

asked by Samantha on September 26, 2009
19. ## Math

Use the well-ordering theorem to show that, if ∅ ⊂ A ⊆ Z and A is bounded superiorly (that is, there exists c ∈ Z such that for all a ∈ A a ≤ c), then A has a maximum element.

asked by Sarah on September 5, 2018
20. ## calculus help

integrate cos^10xdx.. .plz show working i really wanna learn these thanks anyway

asked by newton on April 17, 2016
21. ## math

a hiker travels for 15km on a bearing of 210T how far south is he please show working

asked by matt on February 1, 2013
22. ## algebra 2

given the zeros, write a polynomial equation in factored form.zero -5,9,12 show all the step please

asked by lisa on December 7, 2012
23. ## statistics-PLEASE HELP quick

I have less than 24 hours to find the binomial probability of P(20

asked by Amy on November 4, 2013
24. ## calculus help me plz

integrate:dx/((x-1)sqrt(x^2-2) a tutor here direct me to a page but i do not know how to use it i tried but it did not show me any step...i need help plz

asked by samuel!!!! on May 5, 2016
25. ## Math

y is directly proportional to the cube of x. If x is increased by 50% show that the percentage increase in y is 237.5%

asked by Kaylen on March 18, 2015
26. ## Chemistry

If you add 13.75 mL of 1.35 M HCl to 22.80 mL of 0.955 M Ca(OH)2, will you neutralize all the Ca(OH)2? You must show data to support your answer.

asked by Natalie on July 11, 2017
27. ## Chemistry

can anyone explain how does the balanced chemical equation show the law of conservation of mass?

asked by John on January 6, 2008
28. ## Science

If you wish to warm 100 kg of water by 20° C for your bath, show that 8370 kJ of heat is required.?

asked by Reggie on March 13, 2014
29. ## Math

What is the surface area of the prism not drawn to scale the L is 15 the W is 3 and the H is 4 i need help asap ps it says show all the steps

asked by Idk on March 25, 2019
30. ## math

The gradient of one of the line of ax2+2hxy+by2=0 is twice that of the other,show that 8h2=9ab

asked by Sajjad on November 30, 2016
31. ## Chemistry

Show calculations (labeled with units) needed to prepare 25 mL of 0.20 M Pb(NO3)2 and 25 mL of 0.20 M NaI.

asked by Jeb on December 13, 2016
32. ## english

How can you have Motivation, Forecast and Orientation in speech intorduction? like show the audience pictures etc?..thanks!

asked by Jessica on December 4, 2011
33. ## Geometry

Find the coordinates of the other endpoint of a segment with the given endpoit and midpoint M. R(2,6) M(-1,1) Please show steps.

asked by Jennifer on September 10, 2008
34. ## maath

Factor the GCF from each term in the expression. Can you please show me the steps on how you reached your answer? Thank you!! 8m^7+6m^4-4m^2

asked by Michael on May 6, 2010
35. ## English

In Literature, what were the goals in the Harlem Renaissance? I could only think of one. -To show the Negro as a capable individuals

asked by Aisha on March 31, 2011
36. ## Science...another pyramid

Would you use a pyramid of numbers or biomass to show the transfer of energy from dogs to fleas.

asked by mary22 on September 9, 2008
37. ## probability

What is the probability that 4 rolls of fair die will show three 4's? the answer is 0.015, but I don't know how to get it.

asked by Dan on November 17, 2008
38. ## math/ algebra 1

can someone please help me explain how they got this answer and can someone please show me the steps into solving this question? Q: Four more than the quotient of a number and three is at least nine.

asked by ellie on November 10, 2013
39. ## 2nd grade math

Show how to make one addend the next tens number. Complete the new addition sentence 26+27=? Is it 53 (10+43=53)

asked by jj on October 4, 2016
40. ## trigonometry

Use a compound angle formula for cosine to show that cos2x = cos^2x - sin^2x

asked by Anonymous on November 2, 2009
41. ## Geometry

Show that each conditional is dales by finding a counterexample. If an animal is a bird, then it is a penguin.

asked by Alicia on April 29, 2014
42. ## Science

Would you use a pyramid of numbers or biomass to show the transfer of energy from dogs to fleas.

asked by mary22 on September 9, 2008
43. ## physics

Forces of 3 N and 4 N act the right angles on a block of mass 5 kg. Show that the resulting acceleration is 1 m/s².

asked by Anonymous on April 11, 2011
44. ## Calculus

Find the relative extrema of the function f(x) = 1/2 x - sinx on the interval (0, 2 pie) please show me how you got this!!

asked by Gabby on April 23, 2013
45. ## College Statistics

For X ∼ Bin(n, p), show that E(X) = np and Var(X) = np(1 − p) Our book defines this as true, but I don't know how to actually prove it.

asked by Janet on September 30, 2013
46. ## Math

Show that z/pq = 1/pr + 1/qr, where r = (p + q)/z Finding decmpositions of a fraction into 2 units as indicated on a paprus written in Greek.

asked by Barb on January 31, 2013
47. ## Social Studies

information to show how the U.S. Constitution distributes and limits powers within the federal government.

asked by Anonymous on November 8, 2014
48. ## maths

show that the lines x^-4xy+y^=0 and x+y=1 form an equilateral triangle and find its area

asked by prateek on October 31, 2011
49. ## math

2nd grade math question Show how you would explain "Make a 10" to someone who never heard of it.

asked by Kara on September 23, 2010
50. ## probability

What is the probability that 4 rolls of fair die will show three 4's? the answer is 0.015, but I don't know how to get it.

asked by Dan on November 17, 2008
51. ## Math

Given a standard normal distribution, determine the following. Show Table Values used in each part. a) P(Z1.32) c) P(Z< -1.32) d) P(-0.30

asked by Monica on October 30, 2011
52. ## 2 grade math

Complete the chart to show the number 217 . 1 hund. blank tens and one ones?

asked by osi123456789 on September 30, 2010
53. ## Maths

Show that: (3x-1)(x+5)(4x-3) = 12x^3 + 47x^2 - 62x +15 for all values of x. (3x-1)(x+5)(4x-3) = (?????)(4x-3) Expand into 6 terms: ???????? Simplify: ???????? Thank you.

asked by Alex on January 3, 2017
54. ## langage arts

can you please show me a picture on the back of a postcard? thanks. http://www.postcardsfrom.com/ There are some examples here. =)

asked by amy on September 27, 2006
55. ## 5th Grade Math

Can you please show me the steps on how to write each decimal as a mixed number in simplest form? 1. 8.9 2. 42.96

asked by Stephanie on November 26, 2013
56. ## Math

regroup 2 tens, 2 ones; 1 ten, 12 ones Name the word that describes what was done to show the number in different ways.

asked by ashley on October 4, 2011
57. ## Calculus II

the gamma function r(x) is defined by r(x)= integral from 0 to infinity of x^n-1(e^-1)dx where n>0. Use integration by parts to show that r(n+1)=nr(n).

asked by chelsea on April 7, 2014
58. ## math

How do you find the anti derivative of: [(e^x^2-2x)/(e^x^2)] ? ∫ [(e^x^2-2x)/(e^x^2)] ((The e^x^2 is: e raised to x squared)) if you could explain and show the steps too, thank you

asked by John on February 23, 2009
59. ## physics

A ball is thrown vertically upward at 14.7 m/s. Show that its maximum height will be 11m.

asked by Daisha on February 12, 2011
60. ## maths

A person runs 5/8 for race calculate what fraction is left show calculation

asked by mmmd on April 23, 2014
61. ## Trigonometry

Using the Law of Cosines, how can I show that the measure of each angle of an equilateral triangle is 60 degrees?

asked by McKenna Louise on February 10, 2014
62. ## intro to theatre and film

between acts of a musical or opera/operetta, the orchesrta may again play tunes from the show known as what?

asked by Anonymous on November 9, 2007
63. ## pre-calc

Quest: show that i (imaginary) is a zero of f (x)= x^3+ (3-i)x^2 - 4ix -1 Plug in i for x and add up the terms. You should get zero. Remember that i^2 = -1

asked by melissa on January 21, 2007
64. ## Math

Draw a number line to show that 2/3 and 4/6 are equivalent..Im having trouble with this..I'm in the 4th grade..I need help

asked by Dobe on November 14, 2016
65. ## math

6 people like soccer, 3 like volleyball, 7 likefootball, and 2 likebasket ball show that in tallies

asked by james on August 23, 2016
66. ## Algebra

To those who know how to use a ti84 plus calculator. Can anyone show me the steps on how to perform rational expressions and equations?

asked by Christopher on April 14, 2014
67. ## Math

Use linear approximation to show that each function below can be approximated by the given expression when |x| is small i.) sinx = x ii.) e^x = 1+x

asked by Michael on November 16, 2012
68. ## gcu

Show that 9300 cal is required to change 15 g of 20° C water to 100° C steam.

asked by denise on September 14, 2014
69. ## Algebra

f(x)=9x^3+2x^2-5x+4 and g(x)=5x^3-7x+4. what is f(x)-g(x). Show all your steps and write you final answer in factored form. 3 points

asked by Roses on March 23, 2018
70. ## Calculus Help

use logarithmic diff. to find the derivative of the function. Show steps please! so I can see how it is done. Thank you so much! y=(e^(-x)cos^(2)(x))/(x^(2)+x+1)

asked by Maho on March 18, 2014
71. ## Math;);)

Use the vector form of the Law of Cosines to show that |u + v|^2 ≤ (|u| + |v|)^2 holds for any vectors u and v. What does this prove?

asked by anonymous on January 11, 2017
72. ## math

I have a question in (( distance between two points )) show that A(4,2), B(-2,-2) and C(2,-8)are the vertices of an isoceles right triangle. please in detales .. thank u

asked by mota on November 10, 2007
73. ## math

show 2 ways of using the distributive property to find the product of 125 times 32

asked by tania on January 18, 2013
74. ## Maths

£4000 is invested at 1.5% compound interest. Show that the value of the investment after 2 years is £4120.90. Thanks to anyone who can help.

asked by Alfredo on March 23, 2017
75. ## Algebra

A. Tell whether x and y show direct variation. Explain your reasoning. 1. x = y - 2 / 9 2. 5x - 3y = 0 My answer: Yes because 5 and 3 pass through the origin (0).

asked by Faye on May 19, 2015
76. ## Algebra

(5y-3)/3 - (2y-1)/2=1 note: the divide signs are the fraction bars. -5(-2(x-1) - (x+1))=9 .08n-.09(n-2)=5-.08 -2(3-(x-1)+3x) + 2(x-3-5(x-3)-x)=10 please show me how you got the answers thanks

asked by Eliza on November 1, 2011
77. ## Math

regroup 2 tens, 2 ones; 1 ten, 12 ones Name the word that describes what was done to show the number in different ways.

asked by ashley on October 4, 2011
78. ## algebra

Use this function and find the x-intercepts by factoring; then show how the value of the discriminant supports your conclusion(s). Thank you for all your help.

asked by Jack on January 10, 2017
79. ## calculus

okay i need to find the derivative of f(x)=πsin2x and f(x)=cosπx^2 ---------------- π is pi and if you could show steps it would be GREATLY appreciated. thank you so much!

asked by tim on November 13, 2012
80. ## Math

How do you show 33/100 as a reduced fraction? The answer choice is suppose to be approximately.

asked by Terri on March 11, 2010
81. ## Math

Draw base ten blocks to show the number five hundred fifteen.

asked by Jehangir on September 6, 2017
82. ## math

how do i write a decimal and a fraction to show what part of a dollar one penny represents

asked by zach on March 2, 2011
83. ## computers (Excel Macro)

I have no idea on how to copy and paste a cell with value only. It will be appricated if anyone call show me a sample.

asked by Lamp on August 29, 2008
84. ## Physical Chemistry

Show that, for a transition between 2 incompressible solid phases, that deta G is indepentent of the pressure.

asked by Verenia on July 15, 2008
85. ## Math

Use the IVT to show that there is a root of the equation 4x^3-6x^2+3x-2=0 between 1 and 2? (please give a full answer with steps)

asked by Sivakumar on June 9, 2011
86. ## Math

f(x)=11x^3+3x^2-4x+2 and g(x)=5x^3-7x+2. What is f(x) - g(x)? Show all of your steps and write your final answer in factored form.

asked by rat on March 26, 2018
87. ## apchemistry

thank you for your help before---also, what can i react with BaO to get some noticable consequence---how can i show that what MgO was involved in the reaction?

asked by Kiki on April 29, 2010
88. ## 2008 math

Write the following as a sum using powers of 10 to show place value and explain your steps. 3) 620.83

asked by tiffany on July 10, 2012
89. ## Math - Coordinate Geometry

Find the equation of the line which cuts the y-axis at -3 and is parallel to 4x-y+=0. Please show working out, thanks.

asked by Anonymous on December 5, 2016
90. ## algebra

a stick 36 cm long is cut into two pieces in the ratio 1:2 how is each piece show the answer

asked by Anonymous on October 28, 2014
91. ## math

if tan 2x= -b/a, pi/2

asked by briane on April 7, 2014
92. ## Algebra 1

f (x) = 9x^3 + 2x^2 - 5x + 4 and g(x) = 5x^3 - 7x + 4. What is f (x) - g(x)? Show all your stes and write your final answer in factored form. I am really stumped on this, could someone help me?

asked by Lauren on October 25, 2016
93. ## chem

Can I2 oxidize metallic aluminum? Show the balanced chemical equation and the Eo values.

asked by m on October 31, 2010
94. ## calculus

using tangent half substitution show that integral of sec(x)=ln(secx+tanx)

asked by Alex on August 14, 2011
95. ## chem

Can I2 oxidize metallic aluminum? Show the balanced chemical equation and the Eo values.

asked by m on October 31, 2010
96. ## Excel Graphs

i'm having trouble getting my graph to come out right in the legend its posting everythin and only need 2 mts to show up how can i fix it

asked by Linda on March 5, 2012
97. ## chemistry

using only words and no numbers how would i explain the steps necesarry to show how many kilograms are in a milligram? thanks :D

asked by ammmyyy on September 26, 2010
98. ## Linear Algebra

Please , I don´t know how to do this demonstration: If A and B are mutually perpendicular vectors( different to zero vector) and "c" is any number show that : || A +cB ||>= ||A||

asked by Mary on September 15, 2016
99. ## math

Show at least two ways other than using a calculator to find Explain in writing why each makes sense.

asked by ASHLEY on February 10, 2010
100. ## math

sinx/ = 1/ − 1/ algebraically. (5) 1 + cosx sin x tan x please show me the steps and how you got the answer

asked by Sammy on August 30, 2017