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

91,330 questions, page 301
1. english

what are nonverbal ways people can show determination?

asked by Gi on March 10, 2017
2. Calc

Find h'(2), given that f(2)= -3, g(2)= 4, f'(2)= -2, and g'(2)= 7 a) h(x)= 5f(x) - 4g(x) b) h(x)= f(x)g(x) c) h(x)= f(x)/g(x) d) h(x)= g(x)/1 + f(x) I have no idea how to plug these in. If someone could please show me how to go about one, I'm sure the rest

asked by Chelsea on October 24, 2010
3. 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
4. math

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

asked by Bobby on November 29, 2013
5. math

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

asked by Jo on October 18, 2012
6. math

Factor 16x(a + b + c) + 7y(a + b + c) + 8w(a + b + c). Please show the steps for how you get the answer. Thanks

asked by Alex on December 16, 2013
7. calc

Use l'Hospital's Rule to show that lim x-> infinity (1+1/x)^x =e

asked by Corbin on December 11, 2016
8. Physics

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

asked by po on March 19, 2013
9. Chemistry

convert: 450m/s to m/h? please show exact steps

asked by Melissa on August 24, 2009
10. math

I need help writing 57/18 as a mixed number. Can somebody show me how to do it .Because I'm not understanding what to do.

asked by cora evans on December 13, 2013
11. Math

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

asked by Frankie on October 19, 2010
12. 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
13. math

Please show me the steps on how to get the simplest form for 1 7/5ths

asked by johan on January 17, 2011
14. math

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

asked by Anonymous on December 5, 2012
15. physics

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

asked by khan on August 1, 2014
16. Calculus

Find f(x) so that it satisfies: f'(x)=1+e^x+1/x and f(1) =3+e. Please show all steps so I can follow. Thanks.

asked by Rene on April 16, 2013
17. 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

Draw two ways to show 43 using place-value blocks.

asked by Rosa martines on October 17, 2011
19. Math

Please show me how to do this problem please. The ratio of 7 dimes to 3 quarters.

asked by Danielle on February 29, 2008
20. Trig

Let f and g be two invertible functions such that f^-1(x)=5/x+4 and g(x)=4(x-2). Find f(g(5)). Show your steps please so I can see how to do it. Thank you! :)

asked by Bailey on October 12, 2012
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. math

Can u show me an example of how to find the figure of 10 units in a perimeter?

asked by mikeriya on March 4, 2016
23. 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
24. math

Show the formula correctly being solved for the variable c. W = (c + m +y)/z

asked by Jane on April 11, 2012
25. calc

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

asked by bill on February 28, 2011
26. Math

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

asked by Anonymous on February 28, 2011
27. 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
28. math

45 mi/hr = ______ft/sec. Can you show me how to do this? Dimensional analysis?

asked by Kory on October 23, 2010
29. math/117

simplify before multiply explain and show all steps

asked by susan on October 19, 2011
30. Math...

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

asked by Mathilde on October 2, 2007
31. 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
32. math

2 2/3 + 7 3/4= rename or simplify as needed, I need to show how I got this answer HELP PLEASE

asked by Jared on February 3, 2013
33. Maths Urgent

I have worked out the gradient funtion. If dy/dx = 8x - 3x^2 , then how you show that dy/dx is postive when 0

asked by Remy on October 18, 2010
34. geography

map of Nigeria show the biotic community

asked by Anonymous on March 31, 2019
35. 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
36. math

17000 at 2.5% for 5 year show much inter trust would you have ?

asked by Anonymous on October 1, 2013
37. 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
38. math

Assume r and s are the roots of the quadratic equation ax^2 + bx + c = 0, show that r + s = -b/a and rs = c/a.

asked by Sushmitha on October 10, 2011
39. math

if 1/2,1/x,1/3 are successive terms of an arithmetic progression. Show that 2-x /x-3 = 2/3.

asked by Joseph on December 27, 2017
40. 1 math question

8. Use the Distributive Property to simplify. Show all steps. 8(6 – 2)

asked by Anonymous on October 1, 2014
41. Math

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

asked by Jason on October 12, 2015
42. Math question? :c

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

asked by Anonymous on October 1, 2014

explain how you could show five less than a numer using an expression. 5-x, is this correct?

asked by Jodie on September 29, 2009
44. Math

Show how to make one addend the next tens number. 15+37=?

asked by Aaron on October 17, 2017
45. calc

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

asked by lo on February 27, 2011
46. 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
47. 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
48. 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
49. Maths

Show that points (0,0),(5,5) and (-5,5) are the vertices of a isosceles triangle

asked by Anonymous on June 3, 2016
50. 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
51. Algebra 2

Show that the following numbers are irrational: 1. sqrt3 2. sqrt6

asked by Brandon on May 12, 2011
52. 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
53. 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
54. math

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

asked by Jeninifer on October 14, 2010
55. 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
56. Chemistry

Show how to calculate the molarity of 45 g of hcl in 1.5 L of water

asked by ff on December 2, 2014
57. math

4.56*3.6/0.12 express in standard form show working

asked by Patience Inyang on October 17, 2018
58. Proofing Maths

Prove that |x+y+z| is less than or equal to |x|+|y|+|z|. Please try to show working and explain

asked by ollie on December 26, 2016
59. 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
60. 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
61. Math

Tell if x and y show direct variation. Explain reasoning. 1) x=2y 2) y-x=6 3) xy=5

asked by Matt on October 7, 2015
62. Calculus

∫3 at top and 2 at bottom x/x^2+1 dx = ? if you could show steps that would be great thanks

asked by Bob on April 16, 2013
63. 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
64. Chemistry

How many molecules are there in 24 grams of FeF3 ? Can somebody please show me how i can get to the answer ? Thank you

asked by Justin on January 30, 2013
65. CHEMISTRY

GIVE AN EXPIRIMENT TO SHOW THAT AIR HAS WEIGHT.

asked by AKASH MITRA on December 13, 2009
66. 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
67. Calculus HELP!!

6 2 6 Let u = 4 , v = 2 , w = 2 5 3 1 Show that 2u - 3v - w = 0. Use that fact to find x1 and x2 that satisfy the equation 6 2 6 4 2 {x1} = 2 5 3 {x2} 1

asked by Sara on January 27, 2014
68. Spanish

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

asked by SoccerStar on September 27, 2012
69. Math

2^(5/2)-2^(3/2) Can someone show me in steps how to do exponents as fractions like in this problem ...thanks

asked by Mike on June 1, 2010
70. Physics

Suppose vectors a&b, if a cross b=c. Show that c is perpendicular to a&b.

asked by Emily on November 13, 2011
71. 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
72. math

F(x)=9x^3+2x^2-5x+4 and g(x)=5x^3-7x+4. What is f(x)-g(x)? Show all of your steps. I honestly have no idea how to do this. Can someone please explain what I have to do?

asked by sage on March 14, 2016
73. Algebra2

Use synthetic division to find p(3) for p(x)=x^4-2x^3-4x+4 Show steps

asked by Steve on November 15, 2016
74. 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
75. language art

sentences that are long show how toshorten sentence

asked by paullanguage aet on October 1, 2012
76. language arts

compare and contrast the giver and the truman show

asked by sue on June 5, 2013
77. arithmatic series

Could someone show me the difference between arithmetic sequence and series

asked by Anonymous on April 17, 2017
78. 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
79. mathematical phyaics

For a scaler field ϕ(x, y, z) = x^n+y^n+z^n, show that (🔻ϕ ).r = nϕ , where n is a non-zero real constant.

asked by gourav bhardwaj on September 13, 2016

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

asked by Anon on April 6, 2017
81. math help ASAP!!

simplify fully! 3x-2/x+4 = 18-4x/x^2-16 - 3x+2/4-x show all of your steps pleasee !!

asked by sunny on September 17, 2014
82. Urgent math help!

What is 66 2/3% of 891? PLEASE show me the steps on how you got the answer to this question...

asked by Lisa on November 15, 2008
83. Polynomials

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

asked by terrance on September 18, 2013
84. mathematics-Remainders theorem

what is the remainder when 17^2^111110253 is divided by 21 please show working #thanks

asked by P1 on April 28, 2016
85. Polynomials

can someone show me how to get the sum, difference and product of this problem 2x^2-1∶ x^3- x^(2 )+ 2^x- 1

asked by terrance on September 18, 2013
86. math

write to show how to make a ten then add

asked by ceanna on November 12, 2013
87. 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
88. math

Show that the following function is continuous only at x=0 : f(x) = x for x rational -x for x irrational

asked by terra on September 15, 2011
89. Math

show me the steps to solving this problem? 3k/5+44=12k/25+8

asked by alice on April 14, 2010
90. chemistry

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

asked by william on February 9, 2016
91. algebra 1

Do the data points (2,9), (-4,8), and (7,3) show a direct variation?

asked by Meaghan on April 22, 2010
92. Math

What is 0.25% of 3000? I'll like if you'll show me the steps on how you answered this problem.

asked by Kiara on November 15, 2008
93. algebra

x^2-81/x + x-9/x+5 Divide and simplify plz show steps.

asked by plz help on May 27, 2012
94. Math

12+9m=-4(-6m-3) Can some one plz help me and show me how. To do this because I try so many things and got 2different answer

asked by Rian on September 16, 2014
95. math

show that the product of three consecutive even integer is a multiple of 48

asked by walker on August 1, 2017
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. Chemistry

What is the equation to show that boiling is a cooling process?

asked by Maggie on January 10, 2013
98. fractions

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

asked by lisa on August 12, 2011
99. Algebra

show a graph that best represents a first-degree polynomial p(X).

asked by Candy on October 10, 2018
100. mathematics-remainders theorem

what is the remainder when 17^2^111110253 is divided by 21 please show working #thanks

asked by P1 on April 27, 2016