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

92,096 questions, page 303
1. Math question? :c

Use the Distributive Property to multiply. Show all steps. 7(c + 4)

asked by Anonymous on October 1, 2014
2. mathematics-sequence

. Find 3-tails of d sequence:{2,4,6,8,10,12,14} please show workings #thanks

asked by P1 on March 24, 2016
3. Math - Calculus

Show that the equation x^3-15x+c=0 has at most one root in the interval [-2,2].

asked by William on February 28, 2011
4. maths help me!!!

|x+1|-|x|+3|x-1|-2|x-2|=x+2 don,t have any ideal at all show working plz

asked by david!!! on April 16, 2016
5. math

If m=n,then m−n = n−m = 0. Give a counterexample to show that the conditional is false

asked by Anonymous on March 22, 2015
6. math

if foreach a and b is group G,(ab)2 =a2b2 ,show that G is abelian

asked by paam on July 2, 2014
7. Math

Complex Numbers please helpppppp and show solutions 1.) (3-7i) + (-1-2i) 2.) (4-5i) - (2-3i) 3.) (7-5i) + (6+9i) 4.) 2+3i/3-5i

asked by Denzel on October 14, 2015
8. communication

what are some negative things that occur in the tv show The Simpsons

asked by Anonymous on November 7, 2010
9. physics

Using dimensions, show that 1 joule=107 sq erg.

asked by khan on August 1, 2014
10. Calculus

Show that the limit as h approaches 0 of (e^h-1 ) all over h = ln e = 1 using at least two numerical examples.

asked by Jonathan on July 26, 2015
11. math

show that the altitudes of equivilent root3/2 of a side

asked by sohan sah on August 20, 2013
12. Adding & Subtracting Expressions

How do I use the distributive property to show that the following is a true statement? 8.5m + 1.3m = 9.8m

asked by Chico on August 30, 2012
13. Math- Algebra

ABSOLUTE VALUES that have to get graphed. g(x) = | -x - 3 | f(x) = | x + 2 | + 3 g(x) = | 2x - 3| +1 can you help me do these? and show the steps?

asked by celine on April 24, 2009
14. Math

Simplify the expression 9 + 10h + -5h = 0 Please show steps

asked by Jason on October 12, 2015
15. cal

Show that the limit as h approaches 0 of (e^h-1 ) all over h = ln e = 1 using at least two numerical examples.

asked by Jonathan on July 26, 2015
16. Calculus

find the horizontal tangents of the curve and show how. y=x^3-2x^2+x+1

asked by Millie on October 12, 2011
17. chemistry

using the Kw for pure water, show that: pH = pKw - pOH

asked by william on February 9, 2016
18. algebra

I don't understand how to do this, so please help. Could you show the steps , so I can try it own my ow to see if I can get it.Thank you. 2SQRT4t^9z^2.

asked by jessica on September 3, 2010
19. calculus help

if y^3=6xy-x^3-1 show that the maximum value of y occurs where x^3=8+2sqrt(14)

asked by samson on September 23, 2016
20. Math...

what do they mean? Write an inequality to show "a number,b, is positive" ?

asked by Mathilde on October 2, 2007
21. Mathematics

Show that the root equation (x-a)(x-b)=k^2 are always real numbers

asked by Henry on December 16, 2015
22. statistics

If we wish to have a 90% confidence interval, what would be the value of α/2? Show how you arrived at this answer.

asked by sharon on September 20, 2017
23. grammar

Is this sentence correct? The show is great but it is much less than expected.

asked by klarmaesen on April 30, 2013
24. algebra 2

find the zeros of quadratic ( 8v+7)(v-2)=0 show the step please

asked by lisa on December 12, 2012
25. Math

Use a sum formula to show that cos(2u)=2sinucosu

asked by Matt on April 18, 2016
26. PreCalc

Let f(x)=(x-2)^3+8 a.Show that this function is one-to-one algebraically. b. Find the inverse of f(x)

asked by T on August 27, 2019
27. Spanish

in spanish, what do you put at the end of a name to show affection?

asked by SoccerStar on September 27, 2012
28. Math

How fp you Order the numbers from least to greatest 0.4, 5%8, 38%? Please show the steps.

asked by Nicole on September 20, 2017
29. Math

Draw two number lines that show 0.20 and 1/5 are equivalent

asked by Anna on October 6, 2015
30. POLITITICAL SCIENCE

CAN YOU PLEASE SHOW ME AN EXAMPLE OF HOW TO WRITE AN ESSAY FROM A MOVIE USING A.P.A. FORMAT?

asked by Anonymous on July 13, 2011
31. math

17x – 42 = -39 i need to show the steps for solving this equation

asked by Jeninifer on October 14, 2010
32. fractions

How can i draw fraction strips to show that 2/5 is equal to 6/15

asked by lisa on August 12, 2011
33. Prove that sin(A+B) need help

Show that sin(A+B)=sinAcosB+sinBcosA... diagram can be use if necessary????

asked by Collins on October 3, 2015
34. Prove that sin(A+B)

Show that sin(A+B)=sinAcosB+sinBcosA... diagram can be use if necessary

asked by Collins on October 3, 2015
35. algebra

tell whether x and y show direct variation and explain reasoning

asked by janice on September 24, 2017
36. Algebra 2

Formula to convert 5681mg to kg. I need to show the steps

asked by Dalilah on August 27, 2013
37. Algebra 2

Formula to convert 5681mg to kg. I need to show the steps

asked by Dalilah on August 27, 2013
38. Proof by contradiction

Use proof by contradiction to show there is no real number x: 4x^2+1/4x

asked by Anon on April 6, 2017
39. Pre-Calc

Can someone show me how to do this please. I am stuck. find a number x such that e^2x – 12e^x =13

asked by Roy on December 9, 2010
40. math/117

simplify before multiply explain and show all steps

asked by susan on October 19, 2011
41. Math

Show that the limit as h approaches 0 of (e^h-1 ) all over h = ln e = 1 using at least two numerical examples.

asked by Jonathan on July 26, 2015
42. algebra

what is a good number sentence to show that 5 is a factor of 35?

asked by kai on December 20, 2010
43. algebra

I have to find the inverse of f(x)=9x+7 please show steps so I can see to understand

asked by Alaska Diamond on September 25, 2013
44. algebra

find the root i know this answer should be 4 but how do i arrive there can someone show me how to do this please X+16/x=8

asked by jared on October 8, 2013
45. language art

sentences that are long show how toshorten sentence

asked by paullanguage aet on October 1, 2012
46. Algebra

Let f(x)= (x-2)^3+8 a. Show that this function is one-to-one algebraically. b. Find the inverse of f(x)

asked by Sam on August 28, 2019
47. Geometry

You are given the cordinates of the four points A (6,2), B(2.4), C (-6, -2) and D (-2,-4). Show that the equation of the line DA is 4y-3x = -10 help please!!

asked by Sal on January 30, 2013
48. physics

Calculate the acceleration of mars, and show the calculations

asked by Kelli Kenyon on May 1, 2011
49. college

show me examples of nonprejudical rhectorial device

asked by diane on September 20, 2008
50. Maths

show that the circles x^2 + y^2 - 10x - 8y + 18 = 0 and x^2 + y^2 - 8y - 4y + 14x = 0 do not intersect

asked by Joe on May 2, 2017
51. math

can some one show me how to Graph the linear equation.even if it is just explained how to do it y = 4x - 5

asked by jeng on November 15, 2009
52. mathematics-sequence

. Find 3-tails of d sequence:{2,4,6,8,10,12,14} show workings #thanks

asked by p1 on March 24, 2016
53. Calculus

How can I show that the function F (x)= the integral from 2x to 5x of 1/ t dt is constant on the interval (0, +∞).

asked by Anonymous on September 13, 2015
54. Calculus

Find the limit. lim x-->1 (x^3)-1/((5x^2)+2x-7) Please show steps.

asked by Janet on May 9, 2011
55. Algebra

Could someone please show me how to write this equation in standard form? x^2 + y^2 - 6x+8y+9=0

asked by JessieLynne on October 24, 2011
56. co-ordinate geometry need help steve reiny

find the distance between these two point (3,4) and 2x-y=0 show step

asked by yourim on April 27, 2017
57. algebra

Can someone show me the steps to figure out 1728 divided by 24

asked by Anonymous on August 30, 2012
58. algebra

Multiply -5/9 * (6/5) Please show me in steps I understand better this way. Not just the answer

asked by algebra yuck on September 12, 2009
59. Pre-Algebra

Can someone show me how to turn this into an equation? I mean like 'y=x-z' -2x+ y > or equal to 2 Did I say what I needed to get right? -MC

asked by mysterychicken on May 14, 2009
60. calculus

If y = f(x) = x^(p/q) then y^p = x^p show through implicit differentiation that d/dx[x^(p/q)] = (p/q)x^[p/q] Not sure how to tackle this problem.

asked by Daniel on October 24, 2011
61. geography

hi ms sue! how do i show the calculation i am doing longitude and time?

asked by revalino on September 25, 2011
62. Chemistry

Does anyone know why amines show high solidility in water?

asked by Lisa on February 17, 2008
63. calc

Can someone please show me how to find the integral of sin squared x?

asked by lo on February 27, 2011
64. precalculus

show the correct notation for “The limit of x^2 - 1 as x approaches 3.

asked by sally on December 21, 2016
65. math

show25 broken key is 5 show in 3 ways

asked by tanisha on September 27, 2011
66. math

Write two subtraction equations to show how to find 15-7

asked by vic on October 5, 2016
67. Math

Can someone show me how to figure out the following problem? The slope of the graph of y = 5x is what? Thank you

asked by Jonathon on February 19, 2013
68. Maths

Given that the line y=mx+c is a tangent to the circle (x-a)^2+(y-b)^2 = r^2 show that: (1-m^2)r^2=(c-b+ma)^2 Please Help and sorry for the inconvenience

asked by Jeff on May 2, 2017
69. Maths

show that the circles x^2 + y^2 - 10x - 8y + 18 = 0 and x^2 + y^2 - 8x - 4y + 14x = 0 do not intersect.

asked by John on May 2, 2017
70. math

Show that the largest triangle of given perimeter is equilateral.

asked by zeff on October 9, 2016
71. Algebra

1. 12 + 8a + 4a^2 2. Factorise -5x^2 + 27x - 10 Please show me full working out. Thank you!

asked by Jason on May 1, 2011
72. math

The LCD for the fractions 1/3, 3/4, 5/32, and 8/9 is A. 24. B. 64. C. 288. D. 3072. can u show me how to do this

asked by k on May 26, 2009
73. math

show how you can make a ten to find the sum 9+7=

asked by daniely on October 7, 2016
74. statistics

N(0,7.6) Find the proportion of observations that are between -10 and 10. please show your steps

asked by Light yagami on September 2, 2015
75. math

Show that if roots of eqn (a²-bc) x²+2(b²-ac)x +c²-ab=0 are equal then either b=0 or a³+b³+c³=3abc.

asked by tanu on July 5, 2014
76. algebra

Please show this number in scientific notation. .00000698 Thank you.

asked by Jack on December 14, 2016
77. maths

show that the circles x^2 + y^2 - 10x - 8y + 18 = 0 and x^2 + y^2 - 8y - 4y +14x = 0 do not intersect

asked by Anonymous on May 2, 2017
78. math

1/2=x/11 find unknown proportion show steps

asked by Anonymous on December 5, 2012
79. Calculus

Find the derivative of f(x)=ln(e^(2x)/((x^2-4)^3) Please show detail so I can use for reference. Thanks!

asked by Rene on April 21, 2013
80. maths

can u arrange 24 children in 6 rows comprising 5 show it?

asked by madhuri on September 21, 2009
81. Math

Show that [x] + [x + 1/2] = [2x] when x is a real number. [x] is the floor function, where [5/2] = 2 and [-5/2] = -3.

asked by Sean on June 5, 2011
82. Calculus

Let f(x)=3x^5+5x^3+15x+15. Use Rolle's Theorem to show that f(x) has exactly one root.

asked by Joe on November 13, 2011
83. Algebra

Rational Expressions 1-x^2/x Second expression 2b-2/2b^2-8 please show steps

asked by tbell on June 19, 2014
84. calculus

let f(x)= (x-3)^-2 Show that there is no value of c in (1,4) such that f(4)-f(1)= (f prime of c)(4-1). Why doesn't this contradict the mean value theorem.

asked by Anonymous on November 2, 2010
85. math

Can you show 2 hundredths using only tenths place value blocks?

asked by Jo on October 18, 2012
86. Physics

How would you derive the formula {-Ff+Fgx=ma} to show that µs=tanè

asked by po on March 19, 2013
87. arithmatic series

Could someone show me the difference between arithmetic sequence and series

asked by Anonymous on April 17, 2017

show that Sin5θ/Sinθ = 16Cospower4 θ – 12Cospower2 θ

asked by Crisusseunayo on February 4, 2016
89. Math

Show that the series cos(n) from n=1 to infinity is divergent.

asked by Alanna on May 31, 2012
90. literature

what lines show alliterations in the poem "Fable for when there's no way out"

asked by jennifer on March 30, 2015
91. math

Given that the roots of the equation 3x^2+x+2=0 are a and b, show that 27a^4=11a+10.

asked by Thomas on December 30, 2016
92. Math

show the make -a- ten fact you used with sum?

asked by Frankie on October 19, 2010
93. Polynomials

can someone show me how to do the sum, difference and product for this problem

asked by terrance on September 18, 2013
94. Chemistry

Using equation only. Show how tetraoxosulphate(IV) can be prepared industrially

asked by UMEADI on December 31, 2016
95. Calculus

ã6(2ã6 - ã5) How do you get 12-ã30? I keep getting a way different answer:\ Btw not sure if the radicals will show up.

asked by -Untamed- on September 28, 2011
96. Math

(1/2)+3/5 /[9/10-(-3/5)]= I got 1.5 is this correct? If not could you please show me how to do this? If Steve answers thank you so much for all your help you are awesome:))

asked by Cherie on October 30, 2013
97. Math

How would you show that one trigonometric expression is equal to another? I’m not exactly sure how to start.

asked by Andrea on May 27, 2018
98. Math

show that in general, each of the following is false if A, B, and C are whole numbers? 1. A/B = B/A 2. (A/B) / C = A / (B/C) 3. A / (B+C) = (A/B) + (A/C) 4. A / B is a whole numbe

asked by Jagals on July 8, 2012
99. pre calc

show that the statements are true for all natural numbers 1^3 +2^3 +5^3+....+(2n+3)^3 =n^2(2n^2 -1)

asked by appy on March 3, 2013
100. Calculus

Find the derivative of the following: f(x)=ln(e^(2x)/(x^2-4)^3 Please show all steps so I can follow Thanks!

asked by Sean on April 21, 2013