# 1. What is one thing a strong introduction does NOT do? (1 point)capture the reader’s interest present evidence to explain the topic provide background information state the main idea of the report 2. Which is the correct MLA citation for

40,793 questions, page 239
1. ## physics

11) Three point charges of magnitudes +6.0 mC, -7.0 mC, and -13 mC are placed on the x-axis at x = 0 cm, x = 40 cm, and x = 120 cm, respectively. What is the force on the -13 mC charge due to the other two charges? A) -0.55 N B) -0.79 N C) 0.55 N D) 0.79 N

asked by sara on March 4, 2014
2. ## earth

Determine the gravitational force that you exert on another person 1.90 m away. Assume that you and the other person are point masses of 75.0 kg each.

asked by Anonymous on December 19, 2011
3. ## math

a point has coordinates(0,0) where is located in the coordinate plane? A)x-axis B)orgin C)y-axis D)quadrant1

asked by makeeda on January 17, 2010
4. ## physics

Two electrostatic point charges of +30 μC and +25 μC exert a repulsive force of 200 N on each other. What is the distance between the two charges?

asked by ashley --- HELP PLEASEE!!! on May 11, 2011
5. ## Math

for the point deterime all six trigonometric ratios and the value of the principal angle and the related acute angle P( -3,0)

asked by Hannah on November 26, 2011
6. ## Weather

what is 34f in celcius C= 5/9 (F-32) 32F is the freezing point of water, so 34F ought to be close to zero in C. Do the math.

asked by Jaylen on January 13, 2007
7. ## Calculus

Determine an equation of the tangent line to the curve of f (x) = 3e^4x − 3 at the point where the curve crosses the y-axis.

asked by Anonymous on October 15, 2012
8. ## math

find an equation in slope-intercept form of the line that has slope 2 and passes through point A(-8,7)

asked by lili on December 19, 2012
9. ## Math

Given that the graph of f passes through the point (1, -4) and that the slope of its tangent line at (x,f(x)) is 2x+1, find f(-1) (graph is hypothetical).

asked by Robert on April 16, 2019
10. ## math

a point has coordinates(-3,-3) where is it located in the coordinate plane? A)x-axis B)y-axis c)quadrant2 d)quadrant3

asked by makeeda on January 17, 2010
11. ## art

How do I set out a timeline from Prehistoric art to Modern art in a power point presentation?

asked by Rhys on November 27, 2012
12. ## World History

i am doing a power point project on ols styal castals. i need an interactive website for this project.

asked by Mike on October 30, 2008
13. ## Statistics

From a statistical point of view why a company might want to report its mean salary in one situation and its median salary in another?

asked by Ashli on October 8, 2008
14. ## calculus

Find the point on the surface z = 2x2+xy+3y2 where the tangent plane is parallel to the plane 8x-8y-z=5.

asked by RAJ on October 17, 2014
15. ## maths

Six forces 9.81 N each acting at a point are coplanar. If the angles between neighboring forces are equal then the resulant is:

asked by jha on June 27, 2014
16. ## math

The melting point of helium is -272.2 oC. Express this temperature in kelvins. A. -272 K B. -8.0 K C. 0.8 K D. 545 K I say D.

asked by shana on November 7, 2012
17. ## GEOMETRY !!!

1)(5, -3) is reflected over the y-axis. What are the coordinates of the image? A) (5, 3) B) (-5, 3) C) (-3, 5) D) (-5, -3) 2)If a translation is defined by (x, y) (x + 2, y - 3), what is the image of the preimage point (-3, 5)? A) (-5, 8) B) (-5, 2) C)

asked by Rae Rae on June 21, 2011
18. ## math

a point has coorindate (-3,0) where is it located in the coordinate plane? A)x-axis B)y-axis C)quadrant 1 d)quadrant4

asked by makeeda on January 17, 2010
19. ## Chemistry

Calculate the pH at the equivalence point for the titration of 0.120 M methylamine with 0.120 M HCl (kb of methyalamine is 5.0 x 10^-4)

asked by Mariana on November 13, 2011
20. ## physics

should the bulb of thermometer be completely immersed in boiling water to measure its boiling point

asked by remya on August 22, 2016
21. ## Algebra 1

Write an equation of the line containing the given point and parallel to the given line. Express your answer in the form y=mx+b. (-5,7);2x=9y+4

asked by Need Help on September 24, 2009
22. ## Calculus

Find an equation of the tangent line to the curve of f (x) = x^3 − 8, at the point where the curve crosses the x-axis.

asked by Anonymous on October 15, 2012
23. ## Geometry

Find the equation of a line that is perpendicular to y=2x+7, and passes through the point (-4, 7) I got the answer y=-1/2x+5, is that the correct equation??

asked by help please on November 28, 2017
24. ## Math

A linear function f(x) and its inverse f-1(x) intersect at the point (5,5). Create a function, f(x) that would satisfy this requirement

asked by Sarah H on December 8, 2015
25. ## Calculus

Find the slope intercept equation of the line with the following properties :parallel to the line x=-1; containing the point( -7,2)

asked by Crystal on October 26, 2012
26. ## math

An equation of the line in slope intercept form that passes through the point (-9, -1) and is perpendicular to the line y = 3x + 17? Please help...

asked by thomas on November 21, 2011
27. ## Calculus grade 12

1. a) Write the vector and parametric equations of the line through the points A(6, -1, 5) and B(-2, -3, 6). b) Find another point on the line in (a).

asked by J on May 3, 2012
28. ## geometry

using the slope y-intercert equation, how do you write an equation that passes through point p and is parallel to the line. P(2,4), y = -3x. Is it y = -3x + 10? Thanks

asked by jill on September 28, 2016
29. ## math

In quadrilateral QRTS, we have QR = 11, QS = 9, and ST=2. Sides line RQ and line ST are extended past Q and S, respectively, to meet at point P. If PS = 8 and PQ = 5, then what is RT?

asked by lily on March 29, 2015
30. ## Algebra

How do I write an equation of the line containing the given point and parallel to the given line.Express your answer in the form y=mx+b. (-5,3); 5x=7y+2?

asked by A.W. on March 1, 2009
31. ## Maths

How can the graph y = x sqaure root(9-2x squared)with the point (3root2/root 2,0) have in infinite gradient?

asked by Brogan on September 25, 2010
32. ## Calc

Find the coordinates of the point on the curve xy=6 in quadrant I where the normal to the curve passes through the origin.

asked by Anon on February 16, 2014

Find an equation of the tangent line to the graph of the function f defined by the following equation at the indicated point. (x - y - 1)3 = x; (1, -1)

asked by Anonymous on February 18, 2011
34. ## math

Could someone check my answer to the following question? Find the other end point given the endpoint of (7,7) and midpoint of (0,0). the other endpoint would be (-7,-7)right?

asked by sam on September 16, 2009
35. ## Calculus

Consider the parametric curve given by the equations x(t)=t^2–14t–4 y(t)=t^2–14t+48 How many units of distance are covered by the point P(t) = (x(t),y(t)) between t=0, and t=11 ?

asked by Jul on March 21, 2009
36. ## English

What is the downfall of the hero in a tragedy? a. the actions of the villain b. his own actions*** c. a weak point in his character

asked by Anonymous on April 9, 2018
37. ## Math

The table below shows the melting points of four elements. Which element has the highest melting point.

asked by Siara on October 27, 2016
38. ## Maths

a village is 10km on a bearing of 050 degree 4rm a point 0.how far is d village north of 0?

asked by Quadri on April 13, 2018
39. ## physics

The sum of two point charges is 6µC. They attract each other with a force of 0.9N, when kept 40cm apart. Calculate the charges.

asked by Anonymous on April 29, 2018
40. ## trig

find the exact value of cos(theta) if the terminal side of angle(theta) contains the point (-3,5)

asked by rob on January 31, 2010
41. ## organic chemistry

Which has higher boiling point? A. Alkenes B. Alkadienes I think my answer would be A because it contains 1 double bond (1 pi bond)

asked by fay on September 6, 2015
42. ## Chemistry

What is the boiling point (in °C) of a solution of 9.22 g of I2 in 66.5 g of toluene, assuming the I2 is nonvolatile? (For toluene, Tb = 110.63°C and Kb = 3.40°C·kg/mol.)

asked by Sam on January 16, 2018
43. ## Calculus

1. a) Write the vector and parametric equations of the line through the points A(6, -1, 5) and B(-2, -3, 6). b) Find another point on the line in (a). ----- This is what I got for a) r = 6i-j+5k + t(-8i-2j+k) x = 6-8t y = -1-2t z = 5+t I need help with b)

asked by J on May 4, 2012
44. ## chemistry

what will be the boiling point 54.5 grams of aluminum sulfate dissolved in 805 grams H2O

asked by ana on May 3, 2012
45. ## Math

A linear function f(x) and its inverse f-1(x) intersect at the point (5,5). Create a function, f(x) that would satisfy this requirement

asked by Sarah H on December 8, 2015
46. ## Calculus

Find an equation of the tangent line to the graph of the function f defined by the following equation at the indicated point. (x - y - 1)3 = x; (1, -1)

asked by Anonymous on February 18, 2011
47. ## colledge algebra

Find the slope‐intercept equation of the line with the following properties: Parallel to the line y= 7; containing the point (-3,5)

asked by reanna on January 11, 2013
48. ## Math

Find the equation of a line that passes through the point (1, 2) and has a slope of 1/3. Show how you found the equation.

asked by Crystal on February 20, 2010
49. ## Physics

A stone is thrown up and returns to it's starting point 6 second later. Find the stone's initial speed.

asked by Mike on October 4, 2015
50. ## Physics

If you reduce the distance between two point charges to one third of the original distance, the electromagnetic force changes by a factor of:

asked by Maria on November 14, 2016
51. ## Calculus

A point has a position vector given by r(t)= (t^2 +1,4-t), t for all time t ≥ 0 seconds. Find the speed of the object at t = 1 seconds a) 1 b) 5 c) 2 d) √5

asked by Alice on April 6, 2019
52. ## Maths (Geometry)

P is a point in rectangle ABCD. The distance from P to the 4 vertices of the rectangle are 7,15,24 and N in some order. If N is an integer, determine the value of N.

asked by ABCD on May 29, 2013
53. ## math

The point (3,0) lies on a circle with the center at the origin. What is the area of the circle to the nearest hundredth? THANK YOU!

asked by Tim on January 11, 2016
54. ## ALGEBRA

FIND A POINT-SLOPE FROM THE EQUATION OF THE LINE SATISFYING THE CONDITIONS. SLOPE -2, PASSING THROUGH (2,8)

asked by TRACY on February 9, 2011
55. ## maths

If two matrices are known and are inverse of each other.How can we use these matrices to find the point of intersections for the given set of 3D planes? Kindly help

asked by Asfand on July 16, 2016
56. ## math

For the curve given by 4x^2+y^2=48+2xy, show that there is a point P with x-coordinate 2 at which the line tangent to the curve at P is horizontal.

asked by Steven on December 31, 2014
57. ## math

find an equation of the line with the given slope that passes through the given point. write the equation in the form Ax+By=C M=3/2, (7,-3)

asked by ann on October 29, 2013
58. ## algebra

Give the equation of the line that passes through point (5, 1) and is parallel to the line y = 3x – 1. I am so lost. I have no clue how to do this. Can anyone please help?

asked by sabrina on February 21, 2010
59. ## Physics

A rifle is aimed horizontally at a target 52 m away. The bullet hits the target 2.2 cm below the aim point.

asked by Brandon on September 19, 2010
60. ## math

Write an equation of the line containing he given point and parallel to the given line? Express your answer in the form y=mx+b (6,8);x+7y=5

asked by micheal on June 13, 2009
61. ## algebra

The distance of a car from a certain intersection after t seconds is given by d(t) = 14 + 4t - t2. When (that is, for which values of t) is the car 14 units away from the reference point?

asked by Anonymous on May 1, 2012
62. ## geometry

In quadrilateral QRTS, we have QR = 11, QS = 9, and ST=2. Sides line RQ and line ST are extended past Q and S, respectively, to meet at point P. If PS = 8 and PQ = 5, then what is RT?

asked by mike on March 28, 2015
63. ## Chemistry

What is the ph at the equivalence point for a titration of 250 mL of 0.17M piperidine with 0.17 M nitric acid. (piperidine: Kb = 1.3 x 10-3)

asked by Chloe on April 23, 2013
64. ## Geometry

Point J is between H and K on line HK. Use the given information to write an equation in terms of x. Solve the equation. Then find HJ and JK HJ=5x-3 JK=x-9 KH=5x

asked by anonymous on August 27, 2015
65. ## geometry

2. the dashed triangle is a dilation image of the solid triangle. what is the scale factor (1 point)

asked by jenny on October 5, 2015
66. ## Physics

2 charge of 10 microcoulomb and 40 microcoulomb respectively 12cm apart find the position of a point where electric field is zero

asked by Abc on April 19, 2017
67. ## algebra 1

Write an equation of the line containing the given point and parallel to the given line. express your answer in the form y=mx+b (-8,4); 9x=7y+5 y= ?

asked by spirit73 on September 22, 2009
68. ## Physics

Two point charges Q1 and Q2 are 4C. They are 10cm apart. At what distance betwen the charges the net electric field will be zero?

asked by Nuwaya on January 8, 2012
69. ## Twilight

I have to do this writing assignment on anyone I want to. I really like Bella from the movie twilight so i am doing this on her. I have to describe her and all. I already know how she is from my point of view, but I would like to know how she is from

asked by Alice on October 12, 2009
70. ## U Hart

The 50 kg cylinder shown, which was initially at rest, rolls without slipping. when the speed of A is 20 cm\s, the speed of point B is most nearly

asked by Jason on January 14, 2013
71. ## algebra, help please!!!

what is a function and how do u tell the difference between one and something else? in my hw, there's these 3 graphs, all have a column for inputs and outputs and we have to point out which one or two represents a function...please help me! thank u so

asked by anonymous on September 12, 2007
72. ## calculus

The force on a particle is described 1 at a point x along the x-axis. Find the work done in moving the particle from the origin to x=3

asked by Kim on June 2, 2011
73. ## math 8th!

point A (-2,3) lies on a line with a slope of 2. Describe how to find two points on the line on either side of A.

asked by mae on April 16, 2015
74. ## Algebra 1

A line segment has endpoints j ( 2, 4 ) and l ( 6, 8 ). The point k is the midpoint of jl. What is an equation of a line perpendicular to jl and passing through k?

asked by Jaay on June 1, 2014
75. ## math

write an equation of the line containing the given point and parallel to the given line. express your answer in the form y=mx+b (6,9)x+4y=5

asked by dam on March 3, 2014
76. ## physics

If the electrical field due to a point charge is .000602N/C what is the magnitude of the field (N/C)3.51 times as far away?

asked by angela on May 19, 2013
77. ## Calculus

What is the equation of the line which passes through the point (6,4) and is parallel to the line with the parametric equations x=5t+4 and y=t-7? I think the answer is y = 1/5x + 14/5.

asked by Anonymous on March 22, 2018
78. ## chemistry

A 0.100 m K2SO4 solution has a freezing point of -0.43°C. What is the van't Hoff factor for this solution? Kf = 1.86°C/m

asked by Anonymous on February 5, 2012
79. ## algebra

the y-coordinate of a point decreased by 3 times the x-coordinate is greater than or equal to 2. what is that written as an equation?

asked by kayla on February 15, 2011
80. ## Algebra 2

Point (-6,-2) lies on a parabola that has its vertex at (0,1). Write the equation of the parabola. Indicate whether the graph opens up or down.

asked by Dana on October 13, 2010
81. ## Calculas-Differentiation

Find the equation of the tangent to the curve y=1/2x^2-4x-3at the point where the curve intersects the y-axis.

asked by Lam on November 8, 2016
82. ## Algebra

I did this problem, but would like to compare answers please if someone can help. Thanks! Find the equation of the line parallel to the line 3x + y = 5 and containing the point (4, – 2).

asked by Jamie on June 25, 2009
83. ## science

Will the dew point change with increasing temperature if the amount of moisture in the air does not change

asked by Anonymous on September 1, 2010
84. ## Trig

a student says there can only be 360 different rays emanating from a point since there are only 360 degrees in a circle. Is this true? Why or Why not?

asked by Brian on December 10, 2010
85. ## business studies n maths lit n accounting n geo

Do I need pure maths in These subjects or is maths lite fine to get me to the point of being a entreprenuer in my life

asked by bafana matseke on January 21, 2015
86. ## chemistry

In a titration, how many millilitres of 0.23 mol/L NaOH(aq) must be added to 11 mL of 0.18 mol/L HI(aq) to reach the equivalence point?

asked by Ross on April 6, 2008
87. ## History

Some Mexican Americans who were U.S. citizens were deported during the Depression. (1 point) True False is it false?

asked by gabby on May 19, 2016
88. ## Calculas

The slope of the tangent line to the graph of a function, h(t) is 7/2t The function passes through the point (5,3) Find h(4)

asked by ryan on March 2, 2014
89. ## math

Find the standard form of the equation of the circle with the given characteristics. Center: (5, -2); point on circle: (-3, -4)

asked by mary on May 26, 2018
90. ## Algebra 2 (Quadratic Equations)

Is the point (-3, -2) a solution of the intersection of the following set of quadratic equations: Y < -X^2 X^2 + Y^2 < 16 I'm not sure how to actually work this problem out. Can anyone help me with this problem please.

asked by Greg on April 18, 2012
91. ## Algebra 1

A line segment has endpoints D (3, 2) and E (-3, -2). The point F is the midpoint of DE. What is an equation of a line parallel to DE and passing through F?

asked by Homura on June 1, 2014
92. ## Math

The distance of a car from a certain intersection after t seconds is given by d(t) = 12 + 3t - t2. When (that is, for which values of t) is the car 12 units away from the reference point?

asked by Mack Johnson on April 30, 2012

1. How are impulse and momentum related? (Points : 1) Impulse is the change in momentum of an object. Momentum is the change in impulse acting on an object. Impulse and momentum are always equal in magnitude. Impulse and momentum are the same thing.

asked by Anna on January 27, 2014
94. ## economic

1)If the transactions approach to measuring money is used, then the money supply consists of a. transaction deposits only. b. currency, checkable and debitable deposits, and traveler's checks. c. currency and transaction deposits only. d. currency only.

asked by henry on June 18, 2010
95. ## CHECK MY ANSWERS American Government

*** By my answer Please check! 1. Which statement best describes the importance of the Magna Carta? (1 point) British judges should hold judicial power. Even the king must respect certain rights of the people.*** Federalism is the best form of government.

asked by Anonymous on September 19, 2016
96. ## writing essay english

can you help me to revise this please? The book focuses on nursing through Sue Bauer's life as a patient, grabbing the reader's attention with her experiences and heartfelt thoughts. That's how this book provides an interesting chance to gain perspective,

asked by andrew on June 11, 2009
97. ## Social studies

1.How did the state colonization law affect Texas? Select all that apply. A:It encouraged settlers to come to the area. B: It gave empresario grants to people such as Stephen F. Austin. C:It promoted cheap land where they could raise crops.*** D:It helped

asked by PleaseHelpMe on October 13, 2017
98. ## English

I urgently need you to check this message I need to include in an email. Thank you, Writeacher. 1) Our students have started receiving post from their new Irish partners. It would be nice if you could send me a list of the students participating in the

asked by Henry on March 9, 2012
99. ## Personal Finance

Which of the following statements is true concerning home equity loans? A. Home equity loans are generally installment loans with a 5-15 year term. B. Home equity loans are secured by all of the borrower’s assets. C. Home equity loan interest is never

asked by Her on September 2, 2011
100. ## Finance

3) Which of the following statements is true concerning home equity loans? A. Home equity loans are generally installment loans with a 5-15 year term. B. Home equity loan interest is never tax-deductible. C. Home equity loans are secured by all of the

asked by Anonymous on October 8, 2011