1. Advanced Functions

    Determine an expression using trigonometric ratios of special angles that simplifies to an answer of sqrt3/2. Use three different angles.

    asked by Sara on November 20, 2013
  2. maths

    if two interior angles on the same side of a transversal intersecting two parallel lines are in the ratio 2:3,then the smaller of two angles is

    asked by sakina on July 8, 2011
  3. geometry

    when two angles in a plane share a vertex and a side but no common interior points, they are called_________ angles ?

    asked by christina on August 10, 2011
  4. geometry

    Lines a and b are parallel. Line c is a transversal. Find the measures of all angles formed by a,b, and c, if: one of the angles is with 70° larger than the other one.

    asked by henry on November 15, 2018
  5. Chemistry

    A gas has a volume of 1,400 milliliters at a temperature of 20.0 K and a pressure of 101.3 kPa. What will be the volume when the temperature is changed to 40.0 K and the pressure is changed to 50.65 kPa?

    asked by Haley on December 15, 2010
  6. Chemistry

    If a tire can hold 19L of air at 175 kPa and 25° C, what volume of air can the tire hold at 215 kPa and 30° C? Possible answers: A. 13.7 L B. 15.7L C. 23.0L D. 19L

    asked by Anonymous on April 19, 2016
  7. Math

    1. Plane hkp and plane rkp are two distinct planes. name the intersection of the plane hkp and plane rkp. A) Ray KP B) Ray HK C) Ray RP D) The planes need not intersect. Is the answer A? Please correct me if I am wrong. Thank you!

    asked by Tim on September 14, 2015
  8. geometry

    Complete the two-column proof. Given:

    asked by cassie on May 23, 2016
  9. Physics

    I m doing an assignment and this is what is asks: (c) Find the sum of the squares of the cosines of the corresponding coordinate direction angles found above. (Measure the cosines of the corresponding coordinate direction angles from the x-y plane.) Im not

    asked by Angel on September 22, 2017
  10. Math! Please check!

    Suppose angle PQR and RQS are adjacent angles. Whats side do these angles have in common? A: -> PQ B: -> SQ C: -> QR D: -> RQ My choice is D

    asked by Skye on November 17, 2014
  11. Maths 11th Grade

    The difference between the two acute angles of a right-angled triangle is 2(pie)/5 radians. Express the angles in degrees?? How to Solve it

    asked by Akashdeep Singh on July 21, 2010
  12. Geometry

    set up a system to solve. Two angles are supplementary. Twice one angle is equal to the other anlge minus 36. Find both angles.

    asked by ashley on October 8, 2015
  13. Maths

    The angles of a cyclic quadrilateral are the consecutive terms of arithmetic sequence and one of the angle is 45(degree) What are the measures of other 3 angles

    asked by Linsha on October 4, 2018
  14. geometry

    Lines a and b are parallel. Line c is a transversal. Find the measures of all angles formed by a,b, and c, if: one of the angles has measure of 150°.

    asked by henry on November 15, 2018
  15. Physics

    Three blocks rest on a frictionless, horizontal table, with m1 = 9 kg and m3 = 16 kg. A horizontal force F = 104 N is applied to block 1, and the acceleration of all three blocks is found to be 3.3 m/s2. 1) Find m2 2)What is the normal force between 2 and

    asked by Logan on September 1, 2011
  16. Physics

    A force of 15 N is applied at an angle of 30 degrees with the horizontal on a 0.75 block at rest on a frictionless surface. a. What is the magnitude of the resulting acceleration of the block? b. What is the magnitude of the normal force?

    asked by Tomomi on December 4, 2011
  17. science

    A box is placed on rough surface.it has a normal force of magnitude 120N.a force of 20N applied to the right cannot move the box.calculate the magnitude and direction of the friction forces

    asked by nkule on January 26, 2016
  18. geometry

    the measure of two complementary angles are 16z-9 and 4z+3 find the measures of the angles

    asked by haaris on September 8, 2012
  19. Math

    The difference between two acute angles of a right triangle is 𝜋/9. Show the measures of these angles are 55° and 35°

    asked by Abhishek on June 28, 2016
  20. math

    If one angle of a triangle is 100 and the other angles are in the ratio of 2:3, find the angles.

    asked by varshini on June 28, 2016
  21. angles

    I am a closed figure formed by 6 segments. I have 2 angles less than a right angle and no right angles. What am I?

    asked by Evan on April 23, 2015
  22. geometry

    abc and cbd are adjacent angles which side do the angles have in common

    asked by ssss on August 27, 2013
  23. trig

    5. If the angles X and Y each measure between 0° and 90°, and if sinX = cosY, what is the sum of the measures of the angles X and Y?

    asked by kc on November 17, 2011
  24. Math

    Two base angles of a cyclic quadrilateral are 90 and 60 find other remaining two angles.

    asked by Astha on February 7, 2016
  25. maths

    In a right triangle , the difference between two acute angles is ¦°\18 express the angles in degrees.

    asked by sahil on June 28, 2016
  26. math

    In a right angle triangle, two acute angles are in the ratio 2:3. Find the angles?

    asked by Benjamin on November 22, 2011
  27. math

    using two triangle rulers with angles of (30, 60, 90) and (45 , 45, 90) how many angles less than 180 degrees can be drawn?

    asked by jose on July 30, 2016
  28. quadrilaterals

    Robert drew a parallelogram with two 55-degree angles.What are the measures of the other two angles?

    asked by deijah on February 21, 2013
  29. Geometry

    The measures, in degrees, of the three angles are x, x+10, and 2x-6. Find the measure of all three angles of the triangle.

    asked by Bella on April 9, 2015
  30. maths

    A broken clover has 2 leaves, a normal clover has 3 leaves and a lucky clover has 4 leaves. In a bunch of these clovers , there are twice as many normal clovers as broken clovers and 5 times as many normal clovers as lucky clovers. The bunch has a total of

    asked by tori on October 8, 2011
  31. geometry

    Lines M and T are parallel with a Transversal line P. [Labeling for the angles on line P intersecting M are, top right corner is angle 1, the top left is angle 2, the bottom left is angle 3, and the bottom left is angle 4. This pattern {top left, top

    asked by John on January 26, 2012
  32. physics

    please help! physics doesn't click with me. thank you for your help! A 23 kg suitcase is being pulled with a constant speed by a handle that is at an angle of 25° above the horizontal. If the normal force exerted on the suitcase is 155 N, what is the

    asked by jack on October 1, 2010
  33. marketing

    an ad that stresses "get the real proactiv solution accept no substitues is best geared for which stage of the product life cycle?

    asked by lora on July 21, 2012
  34. Medical Transcription

    HEENT: normal sulfanilic, normal hair distribution. Does this make sense, I can't understand the word after normal, it sounds like sulfanilic, but I can't determine if this makes sense

    asked by Bean on October 30, 2008
  35. physics

    A 23 kg suitcase is being pulled with a constant speed by a handle that is at an angle of 29° above the horizontal. If the normal force exerted on the suitcase is 150 N, what is the force F applied to the handle?

    asked by ash;ley on October 5, 2010
  36. Physics

    A 23 kg suitcase is being pulled with a constant speed by a handle that is at an angle of 25° above the horizontal. If the normal force exerted on the suitcase is 155 N, what is the force F applied to the handle?

    asked by amy on January 14, 2010
  37. math

    Dennis bought a book for $12.95, and his total bill was $13.92. What was the sales tax that was applied to his purchase? What I got was 7.5% but I wanted to make sure it was correct.

    asked by Michael on June 13, 2013
  38. Physics

    Which of the following is correct for the reflected ray if a light ray strikes a plane mirror at an angle of 50° from the normal? a. 40° from the surface of the mirror b. 40° from the normal c. 50° from the surface of the mirror d. 90° from the normal

    asked by Jordan on July 12, 2013
  39. Physics

    1. The total length of a spring is 0.25 m. What it is unstretched and 0.30 m when a force of 17.82 N is applied to it. What will be the length when 26.72 N is applied to it? 2. A piller with a cross sectional area of 1.5 m^2 supports a portion of a

    asked by Cielo on September 3, 2014
  40. Math

    1.If two angles have equal measures, Then the angles are congruent. True*** False Write the converse of the conditional and problem 1. Can someone help walk me through this please?

    asked by Rose on August 29, 2018
  41. math

    name each quadrilateral-paralelogram,rctangle,rhombus,square #7.it is equilateral #8.the diagonals are congruent #9.it can contain obtuse angles #10.it contains no acute angles

    asked by antonio gats on January 28, 2010
  42. Trigononometry and plaine sperical

    Find the exact values of the six trigonometric functions for each of the following angles.draw the angles in standard position 1.300 degree

    asked by Jomar castillo on November 30, 2014
  43. maths

    the angles of a triangle are arranged in asscending order of magnitude. if the diffrence between two consecutive angles is 10degree ,find all the three triangles

    asked by Anonymous on January 3, 2013
  44. geometry

    in the diagram AB=20 cm, BC=21 cm, AD=10 cm and DE= 10.5 cm. Angles ABC and ADE are right angles. if triangleADE is removed from triangleABC.What is the area of shaded region that remains?

    asked by leena on September 5, 2013
  45. Physics

    How do you know how long you need to draw the vectors? Like if the gravity vector line is longer than the normal force, or if the friction line is longer than the applied force or whatever..?

    asked by Sammy on October 27, 2012
  46. Physics

    You compress air saturated with water vapor at 24°C and atmospheric pressure (101.325 kPa) until the total pressure is doubled and the temperature is 36°C. What is the final pressure of the water vapor?

    asked by Melissa on September 14, 2011
  47. physics

    A car is rounding a circular curve of radius r on a banked turn. As the drawing indicates, there are two forces acting on the car, its weight mg and the normal force FN exerted on it by the road. Which force, or force component, provides the centripetal

    asked by sal64 on June 2, 2014
  48. Physics help please**

    A water pipe having a 2.1 cm inside diameter carries water into the basement of a house at a speed of 0.88 m/s and a pressure of 169 kPa. The pipe tapers to 1.0 cm and rises to the second floor 7.1 m above the input point. (a) What is the speed at the

    asked by kelsey on November 25, 2008
  49. Engineering

    The bar in the figure has constant cross sectional area A. The top third of the bar, of length L, is made of a material with mass density ρ and Young's modulus E. The bottom two thirds of the bar (length 2L) is made of a different material, with density

    asked by MAN on May 23, 2013
  50. Math

    After Michael 110 baseball cards to Sally and 75 to Heidi, he still has 315 left. What percent of his cards did Michael give away? 110 + 75... and then??

    asked by HELP on July 31, 2014
  51. math

    Karla borrowed $750 at 12 percent for one year. She paid a $20 processing fee. The interest paid will be $95.00, $92.50, or $90.00 Thus, the total finance charge (the interest plus the processing fee) will be? $115.00, $112.50, or $110.00 ? Therefore, to

    asked by Kim on January 27, 2010
  52. math

    Karla borrowed $750 at 12 percent for one year. She paid a $20 processing fee. The interest paid will be $95.00, $92.50, or $90.00 Thus, the total finance charge (the interest plus the processing fee) will be? $115.00, $112.50, or $110.00 ? Therefore, to

    asked by Kimmy on January 26, 2010
  53. Psychology

    Need help double checking these tricky psychology questions. I put an asterix (*)next to my answers, Thanks! Which of the following fields is the best example of psychology as a basic science? A-Educational psychology B-industrial organizational psychology

    asked by Lilly on September 12, 2012
  54. Math

    The following conditional statement true. What is the statements converse and is the converse is true? If a figure is a square, then it has four right angles. A. If a figure is not a square, then it does not have four right angles. This is true. B. If they

    asked by Fall on August 28, 2018
  55. Physics

    A 22 kg suitcase is being pulled with constant speed by a handle that is at an angle of 23 ∘ above the horizontal. If the normal force exerted on the suitcase is 150 N , what is the force F applied to the handle? I don't understand how the equations are

    asked by J on June 17, 2016
  56. Physics

    Composite bar with end load (two segments) The composite bar BCD in the figure is composed of an inner aluminum cylindrical core of length 2L=2 m and radius R=1 cm and a sleeve of steel of length L=1 m and thickness R=1 cm surrounding the aluminum core in

    asked by helpless on April 30, 2013
  57. physics help!

    A tire is filled with air at 17 degreees C to a gauge pressure of 220 kPa. If the tire reaches a temperature of 39 degrees C, what fraction of the original air must be removed if the original pressure of 220 kPa is to be maintained? Please help step by

    asked by Anonymous on May 2, 2010
  58. Stats

    3. Suppose you work for the Ford Motor Company and must establish regulations concerning the maximum number of people who can ride in a minivan. Ford tells you that the total number of people in a minivan follows a normal distribution with a mean of 6 and

    asked by AMbe on August 4, 2012
  59. geometry

    a. Describe the different types of planes of symmetry and axes of symmetry of a regular octahedron. b. How many planes and axes of symmetry does a regular octahedron have? c. Make a sketch and compare the symmetry properties of a regular octahedron and a

    asked by jeng on October 24, 2009
  60. geometry

    Describe the different types of planes of symmetry and axes of symmetry of a regular octahedron. b. How many planes and axes of symmetry does a regular octahedron have? c. Make a sketch and compare the symmetry properties of a regular octahedron and a

    asked by diane on January 11, 2010
  61. math/geometry

    a. Describe the different types of planes of symmetry and axes of symmetry of a regular octahedron. b. How many planes and axes of symmetry does a regular octahedron have? c. Make a sketch and compare the symmetry properties of a regular octahedron and a

    asked by Lauren on December 13, 2009
  62. Geometry

    Two lines intersect so that angle 1 and angle 3 are vertical angles, angle 2 and angle 4 are vertical angles, and angle 1 and angle 2 form a linear pair. how do you slove for x and find the measure of all the angles when angle 2= x sqaured -3x and angle 4=

    asked by Laura on September 14, 2015
  63. physics

    Suppose the traffic light is hung so that the tensions T1 and T2 are both equal to 80 N. Find the new angles they make with respect to the x-axis. (By symmetry, these angles will be the same.)

    asked by Keyana on November 12, 2012
  64. Maths

    In a triangle with angles α,β,γ and opposite sides a, b, c you are given: α=35°, β=100°, b=40. Find all missing lengths and angles as well as the area correct to 1 decimal place.

    asked by Michael on November 18, 2016
  65. physics

    The 850 kg piano is being pushed across the floor with an applied force of 283 N [forward] and a force of friction of 271 N [backwards]. If the normal force balances the force of gravity, draw a free body diagram for the piano.

    asked by iyzi on October 14, 2013
  66. Math

    Which set of angles could be the interior angles of a triangle? A. 10°, 20°, and 60° B. 20°, 20°, and 50° C. 20°, 30°, and 50° D. 20°, 60°, and 100° A is what i think

    asked by fr on October 16, 2017
  67. maths

    the measure of one of the angles of a parallelogram is 120 degree. what are the other angles?

    asked by kratika on June 14, 2012
  68. 4th grade

    ALL MY ARE OF EQUAL LENGTH.I HAVE 2 ACUTE ANGLES AND 2 OBTUSE ANGLES. WHAT AM I?

    asked by dec on October 10, 2010
  69. pre-calc

    How do you find coterminal angles between 0 and 2pi for angles given in pi radians?

    asked by Sarma on January 1, 2011
  70. math

    if a hexagon has two right angles, what is the sum of the measures of the remaining angles?

    asked by dylan on January 13, 2012
  71. Corresponding Angles and Corresponding sides

    What is true about corresponding angles and corresponding angles and corresponding sides of similar figures?

    asked by Armin on September 17, 2014
  72. math

    Two angles are complementary. One of the angles is twice the other. The larger angle has a measure of

    asked by robbie on July 23, 2011
  73. 4th grade

    I am a polygon. I am a quadrangle. All of my sides are the same length. None of my angles are right angles.

    asked by crystal on September 20, 2009
  74. math

    What is the defintion of supplementary angles and complimentary angles and what is the difference?

    asked by jessie on January 13, 2008
  75. matha

    n a triangle one angle is of 70° and the other two angles are such that one is lesser by 20° then the other. what are the measure of these two angles

    asked by zeshan on January 27, 2015
  76. Math (Geometry)

    What is the converse of this statement: if two angles are supplementary and congruent, then they are right angles.

    asked by Zoey on September 22, 2016
  77. 5th grade math

    what is a letter in the alphabet with 3 acute angles and 2 obtuse angles? I think it is X.

    asked by Pat on September 2, 2009
  78. intermediate algebra

    Two complementary angles are such that one is eight times larger than the other. Find the two angles.

    asked by jess on February 5, 2012
  79. math

    Two angles are complementary. One of the angles is twice the other. The larger angle has a measure of

    asked by robbie on July 23, 2011
  80. geometry

    I need to know about congruent angles IN vertical angles for a test tomorrow.

    asked by Austin on February 16, 2009
  81. math

    i am a polygon.i am a quadrangle.all of my sides are the same length.none of my angles are right angles.what am i?

    asked by yessenia on July 28, 2010
  82. Math

    The angles of a quadrilateral are in the ratio 2:3:7. The mean of these angle is 64. Find all the four angles?

    asked by Shubham on June 11, 2016
  83. Physics

    An airplane is flying with a velocity of 220 m/s at an angle of 30.0° with the horizontal, as the drawing shows. When the altitude of the plane is 2.8 km, a flare is released from the plane. The flare hits the target on the ground. What is the angle θ? I

    asked by Abigail on October 22, 2014
  84. Algebra

    The breaking strength (in pounds) of a certain new synthetic is normally distributed, with a mean of 115 and a variance of 4. The material is considered defective if the breaking strength is less than 110.6 pounds. What is the probability that a single,

    asked by Lightning on December 15, 2014
  85. math(elmntry euclidean geometry)

    The sum of the angles of a quadrilateral is 360°. Find the conditional, draw a diagram, and state the given and conclusion. CONDITIONAL FORM: If it is the sum of the angles of a quadrilateral, then it measures 360°. DIAGRAM: Not shown, but pictures a

    asked by David on September 6, 2015
  86. physics and geometry

    ok proving that thest two angles are equal Gesh almost done lol :O h t t p : / /w w w .a n g e l f i r e. c o m / s ta r s / d h s ph y s i c s / f r ic t i o n . j p g ok How to prove this? Similar triangles. Notice the upper angle in that photo is a

    asked by physics and geometry on August 11, 2009
  87. english

    the textbook stresses that your writing___that is, you must have "a goal of demonstrating the truth of your conclusions and clarifying and illuminating your idea about the topic and also about the work."

    asked by Anonymous on March 20, 2012
  88. Materials Science

    A thin-wall cylindrical tank has radius R, wall thickness t≪R and is subjected to an internal pressure p. The cylindrical wall of the tank is constructed by welding steel plates along 45∘ seams, Consider a small element of the cylindrical wall, and

    asked by qwerty on October 10, 2014
  89. Materials Science

    A 3-point bending test is performed on a simply supported beam of length L=4m and of rectangular cross-section, with width b and height h. For a central load of 10kN, draw the bending moment and shear force diagrams for the beam. Then answer the following

    asked by qwerty on October 18, 2014
  90. science

    If the absolute pressure of gas is 550.280 kPa, it's gage pressure is what? Subtract atmospheric pressure from that to get gage pressure. Atmospheric pressure varies with altitude and weather, but the average atmospheric pressure, at sea level, is 101.325

    asked by Naomi on July 1, 2005
  91. Chemistry

    Check my answer please? A reaction requires 22.4 L of gas at STP. You have 45.0 L of gas at 100 kPa and 373 K. Which of the following statements is true? The gas constant is 8.31 L-kPa/mol-K. You will have an excess of gas and the reaction will occur.

    asked by Anon on June 3, 2014
  92. Physics

    In two separate experiments, a sample of helium gas is taken from the same initial state to the same final state, along two separates paths on a P-V diagram. Path a has two parts: first an isochor and second isobar. Path b is an isotherm. Determine the

    asked by Bryan on February 19, 2018
  93. geometry

    Suppose line AB is parallel to line MN.Name all angles congruent to angle 8. In the figure at the right, x is parallel to y.List all angles that are congruent to angle 1. If the measure of angle 5 is 45 degrees, what are the measures of the other angles.

    asked by me on March 9, 2011
  94. inverse trig function

    How do I do this by sketching a triangle. sin( arcsin(1/2) + arccos(1/2) ) Thanks. let's start with arcsin(1/2) draw a right angled triangle where theta and alpha are the two angles other than the 90º angle. suppose you make the opposite side 1, and the

    asked by Jen on April 9, 2007
  95. geometry

    Assume that the given angles have been measured, and calculate the angles (marked as x) that could not be found by direct measurement. a = 38 x = 1Your answer was incorrect, but has changed from what was graded.

    asked by Anonymous on September 15, 2010
  96. Physics

    A roller coaster starts at a height of 43.0m. The tracks have a total of 400m. What is the work done by the normal force over a ride?

    asked by help on October 30, 2018
  97. Math

    1. Write the following reversible as a biconditional: If two perpendicular lines intersect, they form four 90* angles. A) Two intersecting lines are perpendicular if and only if they form four 90* angles. B) Two intersecting, perpendicular lines do not

    asked by Tim on February 6, 2016
  98. statistics

    Drivers pay an average of (mean $690) per year for automobile insurance the distribution of insurance payments is approximately normal with a standard deviation of 110 dollars. What proportion of drivers pay more than 100 dollars per year for insurance?

    asked by Jessica on July 30, 2012
  99. statistics

    Drivers pay an average of (mean $690) per year for automobile insurance the distribution of insurance payments is approximately normal with a standard deviation of 110 dollars. What proportion of drivers pay more than 100 dollars per year for insurance?

    asked by Jessica on July 30, 2012
  100. Heat!!!

    Can you please check my answers. My teacher gave me a list of 200 questions to study, but I lost the answer sheet. Can you please help me with these 23 Thanks 1. A silver bar 0.125 meter long is subjected to a temperature change from 200°C to 100°C. What

    asked by Brooke on July 5, 2011