# 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

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

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

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

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

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

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

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