Questions Asked on
March 14, 2017

  1. Math help! Check my answers ASAP!

    1. Which graph most likely describes the distance a person walks in a 24-hour period? (1 point) a. Graph IV** b. Graph II c. Graph I d. Graph III 2. A car traveling at 25 mi/h accelerates to 48 mi/h over the first 5 seconds. It maintains that speed for the

    asked by Cutie Pie
  2. math

    1. Which is a set of collinear points? J,H,I L,H,J J,G,L L,K,H 2. Use the diagram to identify a segment parallel to. 3. The meadure of angles A is 124. Classify the angle as acute, right, obtuse, or straight. Acute Straight Right Obtuse 4. Find the

    asked by i need help
  3. Art:Please Help Me @Ms Sue

    How did art critic John Canady influence the opinions of art lovers and buyers in the 1960s and 1970s ??

    asked by Young Trippy Lil G
  4. Language Arts

    In "Dust of Snow," the speaker says that something "Has given my heart / A change of mood." What has caused this change of mood? A: Seeing a crow perched in a tree. B: Taking a walk in the woods. C: Thinking about his day.** D: Having snow shaken on him.

    asked by Dejavu
  5. math

    Given: ∆PQR, m∠R = 90° m∠PQR = 75° M ∈ PR , MP = 18 m∠MQR = 60° Find: RQ

    asked by Grace
  6. Chemistry

    When iron metal reacts with oxygen, the reaction can form Fe2o3 (numbers are subscripts). Write a balanced chemical equation for this reaction and find the number of moles of oxygen that are needed to form 6 mol of Fe2o3. Show your work. I am really stuck

    asked by Leon
  7. Science

    Which of the following would best explain why a species of wildflower native to Switzerland is observed growing in the wild in Montana? Wind dispersed seeds of the wildflower.* Water dispersed seeds of the wildflower. A human brought and dispersed the

    asked by Dylan
  8. Physical Science

    What are the products of a double replacement reaction between potassium bromide and silver nitrate? Name the resulting compounds.

    asked by Leon
  9. Chemistry

    When a 6.50g sample of solid sodium hydroxide dissolves in 100.0g of water in a coffee cup calorimeter, the temperature rises from 21.6C to 37.8C. A.) Calculate the quantity of heat (in kJ) released in the reaction. (I know the answer, but can you show the

    asked by Audrey
  10. World History

    Who benefited most from the Treaty of Brest-Litovsk. A. The provisional government in Russia B. The United States C. Germany D. Italy My Answer: C. Germany

    asked by June
  11. Art

    What is the symbolism behind the eye at the top of the pyramid on a United States dollar, and what does this image say about America's national identity? A. The eye represent God's clarity and America's identity as a nation protected by God. B. The eye

    asked by CanYouHelpMe
  12. Math

    The area of a trapezoid is 18sq. ft and the sum of its bases is 6 ft. Find the area of a square whose side is equal to the height of the trapezoid.

    asked by URGENT
  13. Astronomy

    Please help! I'm really behind and need to catch up. 1. The rings orbiting the Jovian planets may have been small ____ that got too close to the planets long ago. A. Comets B. Asteroids C. Moons D. Meteors 2. What is the composition of the rings around the

    asked by M
  14. Chemistry

    The volume equivalent of CO2(at stp)in the reaction NaHCO3+HCL=NaCL+H2O+CO2 is

    asked by Mihir
  15. Social Studies

    Which statement best explains how life is changing in China? A. New articulture techniques are making lakes cleaner. B. People are moving away from cities to live near their hometown. C. Growing pollution is discouraging the rise of factory work. D. Strong

    asked by CanYouHelpMe
  16. english

    Select the excerpt from "Mother Tongue" by Amy Tan that best describes language bias. 1. I've heard other terms used, "limited English," for example. But they seem just as bad, as if everything is limited, including people's perceptions of the

    asked by marie
  17. Math

    How many letters in the word MATH have more than one line of symmetry?

    asked by Young Trippy Lil G
  18. Math

    A trapezoidal mural with bases 11m and 9m and height 6m needs to be painted. What is the cost of painting it if a box of paint in any color is $16 and with each box can be painted area of 12m2.

    asked by VERY UREGENT
  19. Math

    Find 19/25 of $25,000 A. $2,500 B.$15,000 C.$19,000 D.$1,900

    asked by Savanna Reed
  20. Rox

    Are two kites always, sometimes, or never similar? a. Always b. Sometimes*** c. Never

    asked by Geometry
  21. math

    One of the numbers increased by 10. How did the average of the two numbers change?

    asked by Grace
  22. Science

    Electromagnetic and mechanical waves have different characteristics that make them advantageous for certain applications. Select the reasons that mechanical waves, such as ultrasound, are used for soft tissue imaging and to identify fractures in metals.

    asked by Maya
  23. Science

    Which of the following boxes below represent a stable system? Describe how a disturbance to this box would affect it. Use the terms center of mass and equilibrium in your response. Box A: Shaped like a diamond on a flat surface with an arrow pointing

    asked by Anonymous
  24. finance

    The Switch division of Tornax Inc. produces a small switch that is used by various companies as a component part in their products. Tornax operates its divisions as autonomous units, giving its divisional managers great discretion in pricing and other

    asked by finZee
  25. Physics

    A 5g bullet is fired horizontally and hits an 8kg block of wood (initially at rest) which can move freely. The wood and the bullet move with a velocity of 0.50 m/s after impact. What is the initial velocity of the bullet?

    asked by Angel
  26. calculus

    The region bounded by the given curves is rotated about the specified axis. Find the volume V of the resulting solid by any method. y = −x2 + 7x − 12, y = 0; about the x-axis

    asked by maria
  27. English

    What line of dialogue best supports the analysis that Benny is unsure of himself? 1) They needed a pitcher, but I'm no good at pitching. 2) Or maybe there's some other talent that you haven't discovered yet? I think #1

    asked by Evelyn
  28. physics

    A 9.8-kg monkey hangs from a rope, as shown in (Figure 1) . The tension on the left side of the rope is T1 and the tension on the right side is T2. In the figure, θ=15∘ and ϕ=23∘. Determine the tension T1. Express your answer to two significant

    asked by anonymous
  29. Physics

    A thin-walled sphere rolls along the floor. What is the ratio of its translational kinetic energy to its rotational kinetic energy through its center of mass?

    asked by Gigi
  30. ocher

    Estimate how many theoretical plates are needed to separate a mixture that has a mole fraction of B equal to 0.70 (70% B) in Figure 15.3.

    asked by Allie
  31. MATH AGAIN

    Given: ∆ABC is isosceles m∠ACB = 120° m∠BMC = 60° CM = 12 Find: AB M is on line segment AB

    asked by Grace
  32. English

    Which of the following sentences from "Five Hours to Simla" best illustrates the mood of frustration? (1 point) • "After the first cacophony of screeching brakes and grinding gears. there followed the comparatively static hum of engines, and drivers

    asked by Bubbles
  33. Business Math

    A newly couple has $15,000 toward the purchase of a house. For the type and size of house the couple is interested in buying, an estimated down payment of $20,000 will be necessary. How long will the money have to be invested at 10% compounded quarterly to

    asked by Lillian
  34. science

    Suppose an ideal car jack has an input work 2750 J. It lifts a car 0.35 meters in 8 seconds. a. What is the output work of the jack? b. How much power is required to lift the car? c. What is the efficiency of the jack? I can't give a answer because I am

    asked by Anthony
  35. physics

    a photon whose energy equals the rest energy of the compton collision with an electron, if the electron moves off an angle of 40 degrees to the original photon direction, what is the energy of the scattered photon? assume all constant given. please i need

    asked by brite
  36. Math

    A paperboy rode his bike at 3m/s. After being chased by a dog for 8 seconds, he was traveling 6m/s. What is his acceleration?

    asked by Jashay
  37. U.S. Government

    Why did the passage of the Civil rights act of 1968 have the greatest impact on promoting racial equality in housing. Select 2 answers. A.) Because plessy v. Ferguson was reversed by browning v. board of education. B.) Because it addressed more specific

    asked by Sherlock
  38. english

    Read this excerpt from “Ain’t I a Woman?” by Sojourner Truth. In which sentences does she make an emotional appeal to the audience by talking about her personal hardships? 1). I think that 'twixt the negroes of the South and the women at

    asked by marie
  39. Vocab

    What's the root or base word of rebellious, belligerent, doctrine, document, levity, levitate, initiative, itinerary, impulsive, and compel??? Please help thanks!!!

    asked by Patricia
  40. math

    * What is the average of the first n positive even numbers?

    asked by Anonymous
  41. Math

    For each of the following, fill in the blank to create a perfect-square trinomial: (a) x2 −6x+ ____ y2 +7y+ __

    asked by Kayla
  42. Math

    Use properties of logarithms to rewrite the expression. Simplify the results if possible. Assume all variables present positive real numbers. Log6(7m+3q)

    asked by April
  43. Health

    A person who has a physical craving or strong emotional need to use alcohol is showing signs of: A)Reverse Tolerance B)Tolerance C)Rehabilitation D)Addiction***

    asked by Ryleigh
  44. social studies

    please check my answer: why did african americans go from the rural south to northern cities starting in the late 1800s? - so they could be around other races and cultures - to change identities - to escape the discrimination and to find better jobs ** -

    asked by ramen
  45. Physics

    A 5 gram bullet is fired horizontally and hits an 8 kilogram block of wood (initially at rest) which can move freely. The wood and the bullet move with a velocity of 0.50 m/s after impact. What is the initial velocity of the bullet?

    asked by Angel
  46. Creating High-Quality Centers

    Which of the following statements accurately reflects what we know about facilitating science learning for infants and toddlers? A. It's important to have a science circle each week where the teacher demonstrates a science concept to the infants and

    asked by Priscila
  47. History

    Social Studies 8 B U.S. Power in Latin America Lesson 3 unit 4 Anyone know these im so confused

    asked by Side Walks
  48. Creating High-Quality Centers

    Superhero and war play concern many teachers. These teachers describe how they manage this type of play. Which is most effective? A. "I allow this type of play only on Fridays. On that day I have extra help to keep an eye on the play." B. "I focus on

    asked by Priscila
  49. Chemistry

    Which elements have the greatest tendency to act as reducing agents? metals nonmetals noble gases halogens

    asked by M, S, E
  50. Science (HELP ASAP)

    1. Which of these is not an environmental effect of building dams A. Reduced fertility downstream

    asked by Ashley
  51. Math

    Find the exact values for the lengths of the labeled segments a, b and p drawn in green, red, and blue, respectively. Note that r=3 is the radius of the circle, and s=2 is the arc length from the point (3,0) around the circle to the indicated point. (So

    asked by Kayla
  52. math

    Find the area of the composite figure? top is 14 left is 12 right is 10 bottom is 20

    asked by Triston
  53. Chemistry

    in a neutralization reaction, dilute tetraoxosulphate (vi) acid completely reacted with sodium hydroxide solution.write a balanced chemical equation for the reaction

    asked by Donniceski
  54. chemistry

    1.2 mol HCl and 3.9 mol NaOH react to this equation, HCl + NaOH=NaCl + H20 If the limited reactant id HCl, calculate the amount of NaCl formed in moles. Please help and explain how to solve this so I may understand it better please and thank you.

    asked by Javier
  55. Business Math

    In a suburb of Houston, housing costs have been increasing at 5.2% per a year compounded annually for the past 8 years. A house with a current value of $26,000 would have been worth how much 8 years ago?

    asked by Lillian
  56. Astronomy

    The gravity lock of the Moon to Earth is silimar to the action of a A) giant pendulum B) spinning top C) master key D) tidal wave E) magnetic compass I'm torn between A and E.

    asked by Angie
  57. Creating High-Quality Centers

    The sensory center can help children develop skills and knowledge in which of the following domains? A. Physical and social B. Physical only C. Physical, social, emotional, and cognitive D. Physical, social, and cognitive my answer is c.

    asked by Priscila
  58. History

    All the following were causes of the U.S. isolationism in the 1930's except A:The economic troubles of the Great Depression B:The findings of the Nye Committee C:The passage of the Neutrality Acts*** D:The rise of totalitarian regimes in Europe Is this

    asked by Marylyn
  59. Social Studies

    What evidence from this chapter shows how Arabs and Jews might avoid conflict? A)The land the Jews had conquered had been under the rule of the Arabs for decades, which leaves some of them longing to reclaim the land that was once rightfully theirs. The

    asked by Ryleigh
  60. Creating High-Quality Centers

    The reading area needs to be well-stocked with quality books. A well-stocked reading area should contain which of the following? A. Three to four books per child in the classroom B. Ten books per child in the classroom C. Five to eight books per child in

    asked by Priscila
  61. Creating High-Quality Centers

    The reading center needs to represent a variety of cultures. Which of the following teachers' responses reflects the philosophy found in your textbook? A. "I choose books that represent the cultures that are in my community. We live in a community with

    asked by Priscila
  62. math

    Drawn in a circle whose radius is 14 cm, chord AB is 18 cm long. Calculate the angular size of minor arc AB.

    asked by Paul
  63. math

    Given: ∆PQR, m∠R = 90° m∠PQR = 75° M ∈ PR , MP = 18 m∠MQR = 60° Find: RQ M is on segment PR 9sqrt3 is wrong(the system did not take it)

    asked by Grace
  64. math

    Mieko practice shooting a basketball for 7/10 of her total practice time. During the other time she practiced dribbling, if she practiced dribbling for 18 minutes, how many minutes did she practice shooting?

    asked by Anonymous
  65. Chemistry

    The volume equivalent of CO2(at stp) in the reaction. NaHCO3+HCL=NaCL+H20+CO2 is

    asked by Mihir
  66. ELA plez help

    what statement is true about dialogue? 1.The words each character says are enclosed by quotation marks 2. the words each character says appear next to the characters name. 3. The words that the main character says appear in italics or brackets 4. the words

    asked by D
  67. Maths

    A tank with 520L of water begins to leak at a rate of 2L per day, At the same time, a second tank is being filled at a rate of 1L per hour, starting at 0L. How long does it take for the tanks to have the same volume?

    asked by todd
  68. Creating High-Quality Centers

    To enhance children's creativity, it's best to do which of the following? A. Teach children techniques and the proper use of tools as they're developmentally ready B. Teach children the correct way to draw an item such as a person C. Use a hands-off

    asked by Priscila
  69. Math

    If the inflation rate averages, 3% per year compounded annually for the next 5 years, what will the car currently selling for $17,000 cost 5 years from now?

    asked by Homework Help
  70. chemistry

    What os the balanced equation for the reaction between ethanoic acid and water?

    asked by martha
  71. Creating High-Quality CentersCreating High-Quality

    To enhance children's creativity, it's best to do which of the following? A. Teach children techniques and the proper use of tools as they're developmentally ready B. Teach children the correct way to draw an item such as a person C. Use a hands-off

    asked by Priscila
  72. physics newton

    During an episode of turbulence in an airplane you feel 180 N heavier than usual. Part A If your mass is 86 kg, what are the magnitude and direction of the airplane’s acceleration?

    asked by silvia
  73. math

    Given: ∆ABC is isosceles m∠ACB = 120° m∠BMC = 60° CM = 12 Find: AB is it 15?

    asked by Anonymous
  74. Math

    The telephone prefix for a university is 243. THe prefix is followed by four digits. How many telephones are possible before a new prefix is needed?

    asked by Anonymous
  75. Math

    831.Let A = (1,3), B = (6,0), and C = (9,9). Find the size of angle BAC.

    asked by Paul
  76. English

    1. What did you learn in math class today? 2. She is a music teacher. She is very strict. 3. He is a career teacher. He is kind-hearted. 4. He is a Chinese characters teacher. He is humorous. ---------------------- Are they all correct? Do we have to

    asked by rfvv
  77. physics!

    A (10.25) kg bowling ball is hung on a (11.50) m long rope. It is then pulled back until the rope makes an angle of (39.0)o with the vertical and released. Find the tension in the rope when the ball is at the lowest point. Give your answer in N and with 3

    asked by Idali
  78. math

    Conversions in the Metric System

    asked by Anonymous
  79. Math

    In a suburb of Houston, housing costs have been increasing at 5.2% per a year compounded annually for the past 8 years. A house with a current value of $26,000 would have been worth how much 8 years ago?

    asked by Homework Help
  80. algebra

    Problem Page The volume V of a fixed amount of a gas varies directly as the temperature T and inversely as the pressure P. Suppose that V=42 cm to the 3,when T=84 kelvin and P= 8kg over cm squared. Find the temperature when V=74 cm cubed and P= 10 kg over

    asked by rebecca
  81. History

    How did the outcome of the Battle of Midway influence the course of WWII? A: Discouraged U.S. troops in the Pacific, contributing to the decision to focus on Europe. B:Enraged the Japanese public, leading to the bombing of Pearl Harbor. C:It ended American

    asked by Marylyn
  82. OChem

    Suppose a student obtained a 0.15g of cruse salicylic acid. How much water would be needed to just dissolve it at 75 degrees Celsius? How much salicylic acid would remain dissolved in that amount of water at just 10 degrees Celsius? What percent of the

    asked by Sarah
  83. 5th grade Math

    Tyler’s father has 10 boards that are each 7.8 feet long. He plans to cut as many pieces as he can from the boards to make some siding for the porch. Each piece of wood for the porch must be 2.25 feet long.How many pieces can Tyler’s father cut from

    asked by Mysterious Beauty
  84. Creating High-Quality Centers

    Which of the following teachers is using the computer most effectively? A. "I use the computer to manipulate figures and place the actual hands-on manipulatives nearby." B. "I use the computer so that children can manipulate geometric figures." C. "I

    asked by Priscila
  85. history

    You work for president Lula's government. You most likely support? Tax cut for corporations. Privatization of Industry. Redirection of oil wealth to provide social services. budget cuts to education and health care

    asked by helpconnexus
  86. Creating High-Quality Centers

    Which of the following teachers is providing the children in the classroom the needed opportunity to develop skills through block building? A. "I have a small classroom so I rotate the block and dramatic play center since children develop the same skills

    asked by Priscila
  87. Java

    Which of the following classes best represents rare and serious internal system errors? Error Throwable RuntimeException Exception I think it may be Error or Throwable. Been having alot of trouble with this class lately, help would be appreciated. ~Thank

    asked by Anonymous
  88. Math

    Describe the difference between measure of center and measure of variation.

    asked by Kailey
  89. Social Studies

    What is the main cause of growing population levels in China? A. China has the largest population in the world. B. The government is moving villages to make more park land. C. New factories and ways of life are producing more waste.** D. More and more

    asked by CanYouHelpMe
  90. Physics ( oscillations and waves)

    two collinear harmonic oscillations are X1= 8 sin( 100pi *t) and X2= 12 sin(96 pi *t) are superposed. calculate the values of time when the amplitude of the resultant oscillation will be maximum and minimum

    asked by Pavan s m
  91. Chemistry

    By titration, 66.6 mL of aqueous H2SO4 neutralized 11.4 mL of 0.465 M LiOH solution. What was the molarity of the aqueous acid solution?

    asked by Lane
  92. Math

    Mrs. Sue, help me please.

    asked by Luly
  93. physics

    During an episode of turbulence in an airplane you feel 180 N heavier than usual. Part A If your mass is 86 kg, what are the magnitude and direction of the airplane’s acceleration? 2sf

    asked by ana
  94. MATH

    WHAT IS THE LENGTH OF THE YARN TO THE NEAREST INCH A. 1 INCH B. INCH 2 C.INCH 3 D.INCH 4 THAT ALL THE ANSWER THAT'S ON MY WORK PLZ HELP ME THXS GUYS GIRL'S AND BOY'S

    asked by REAWEN
  95. Math

    A trapezoidal mural with bases 11m and 9m and height 6m needs to be painted. What is the cost of painting it if a box of paint in any color is $16 and with each box can be painted area of 12m2.

    asked by URGENT PLEASE HELP
  96. physics

    How much energy is absorbed when 10g of ice at 0degree Celsius becomes steam at 100 degree Celsius?

    asked by ananya
  97. math

    Given: ∆ABC is isosceles m∠ACB = 120° m∠BMC = 60° CM = 12 Find: AB M is on line segment PR

    asked by Grace
  98. math

    On saturday, Ana worked 1/4 of a day. On sunday she worked 1/3 of the day. what part of day did she work both days?

    asked by dee
  99. maths

    a student wals 5km due north from O and then 8km due east find his bearing from O

    asked by tope
  100. math

    the scale of a map is given as 1:20,000 two cities are 5cm apart on the map. find the actual distance between them

    asked by me ali
  101. math

    A frame is 4in. tall in wide. If it is enlarged to a height of 16in., then how wide will it be?

    asked by Anonymous
  102. Present perfect tense

    His dad _______ for about ten years. a. has been away from home b. left home c. has gone Ans: a.has been away from home Please help to check, thanks & regards.

    asked by deyond ng
  103. English

    I need the 1900 The Lady Daffodilia full story, complete text. Anyone know where I can go to read it for free?

    asked by Acasia
  104. Homework Help Math

    Q. marx's clothing store is selling a lot of items. On Monday 495 items were sold. On Tuesday 450 items were sold. On Friday 593 items were sold. Marx's misplaced the totals for Wednesday and Thursday, but the average over the five days was 494 items per

    asked by mimi
  105. science

    Suppose an ideal car jack has an input work 2750 J. It lifts a car 0.35 meters in 8 seconds. a. What is the output work of the jack? b. How much power is required to lift the car? c. What is the efficiency of the jack?

    asked by Anthony
  106. Math

    A father who is 42 years old has a son and a daughter. The daughter is three times as old as the son. In 10 years, the sum of all their ages will be 100 years. How old are the two siblings at present?

    asked by Teddy
  107. math

    A frame is 4in. tall and 3in. wide. It it is enlarged to a height of 16in., then how wide will it be?

    asked by Anonymous
  108. chemistry

    What is the balanced equation of the reaction between ammonium ion amd water?

    asked by martha
  109. algebra

    determine the numerical measure of each angle of parallelogram x+40 3x-20 x= m/_M= m/_I= m/_L= m/_K=

    asked by james
  110. Spelling

    What is the answer to this analogy: Rope is to string as string is to ______?

    asked by Emma
  111. science

    a car is used to move a crest of mass of 645kg on a horizontal road the horizontal force exerted is 15000n the coefficient of kinetic friction is 0.8 calculate the acceleration of the car

    asked by refilwe
  112. Math

    A trapezoidal mural with bases 11m and 9m and height 6m needs to be painted. What is the cost of painting it if a box of paint in any color is $16 and with each box can be painted area of 12m2.

    asked by HELP
  113. Maths

    There are 2 towers that are each 10m high. A rope that is 15m long is strung between the tops of the towers. At its lowest point the rope sags 2.5m above the ground (see schematic diagram). How far apart are the towers?

    asked by Anonymous
  114. Math

    On a map,the scale is 3 centimeters: 120 kilometers. The distance between two cities on the map is 6.8 centimeters. What is the distance between the actual cities in kilometers?

    asked by Myah
  115. algebra 2

    what is the inverse of the function f(x) = 6+x ----- 2x

    asked by tom
  116. Maths

    Water is flowing at a rate of 15 km/hr through a cylindrical pipe of radius 7cm into a rectangular tank which is 50m long and44m wide. In how many hours will the water level in the tank raise by 21 cm?

    asked by Anonymous
  117. Math

    Use properties of logarithms to rewrite the expression. Simplify the results if possible. Assume all variables present positive real numbers. log2(2squareroot 3/5)

    asked by April
  118. math

    You play a game in which two dice are rolled. If a sum of 7 appears, you win $10. Otherwise you lose $2.00. If you intend to play the game for a long time should you expect to make money, lose money or come out even?

    asked by shell
  119. chemistry

    A 20ml hydrochloric acid is diluted by 80ml of distilled water, what would be the pH of the hydrochloric acid after the dilution?

    asked by martha
  120. English

    1. What did you learn in math class today? 2. She is a music teacher. She is very strict. 3. He is a career teacher. He is kind-hearted. 4. He is a Chinese characters teacher. He is humorous. ---------------------- Are they all correct? Do we have to

    asked by rfvv
  121. chemistry

    How does ammonium ion act as an acid in the reaction between ammonium ion and water?

    asked by martha
  122. Creating High-Quality Centers

    Which of the following would assist toddlers to learn one-to-one correspondence? A. Number cards to trace B. Pegs and pegboards C. Play dough to create letters D. Old calculators My answer is b.

    asked by Priscila
  123. Math

    A trapezoidal mural with bases 11m and 9m and height 6m needs to be painted. What is the cost of painting it if a box of paint in any color is $16 and with each box can be painted area of 12m2.

    asked by HELP
  124. physics

    can someone help me with physics lab homework please: load 300 g at 60 degree mass at 180 deg 150 g mass at 270 deg 260 g for step two resolution of 300-g at 60 degree f load= fx'= fy'=

    asked by LISA
  125. chemistry

    What will be the pH of hydrochloric acid after 0.01M of hydrochloric acid is diluted by the addition of 80ml distilled water?

    asked by martha
  126. chemistry

    What is the balanced equation for reaction between hydrochloric acid and water?

    asked by martha
  127. Chemistry

    Please help me these are the only two I have left. 17. If the solubility of a gas is 5.6 g/L at 505 kPa pressure, what is the solubility of the gas when the pressure is 1010kPa? * 19. Calculate the [H⁺] for the aqueous solution in which [OH⁻] is 1

    asked by Lydia
  128. DISCRETE MATH FOR IT

    Write a negation for the following statement: For all x , if x ∈ A ∩ B then x ∈ B.

    asked by Mark
  129. physics help

    A 1.2-kg block slides on a horizontal surface with a speed of v=0.80m/s and an acceleration of magnitude a=3.2m/s2, as shown in (Figure 1) . av What is the coefficient of kinetic friction between the block and the surface? Express your answer to two

    asked by anonymous
  130. Science

    Draw a dot plot representative of a flow cytometry test that looks at two markers. One marker is diagnostic, while the other marker is prognostic. Identify and name your markers and their detecting antibodies. Complete the plot as you wish and correctly

    asked by Moe
  131. m240

    Determine the degree and the leading coefficient of the polynomial function f(x) = -2x3 (x - 1)(x + 5). A. 5; -2 B. 7; -4 C. 2; -5 D. 1; -9 My answer is A is this correct.

    asked by sandra
  132. math

    the scale of a map is given as 1:20,000 two cities are 5cm apart on the map. find the actual distance between them

    asked by Anonymous
  133. Science

    When plants grow toward sunlight they____ A. Live longer B. Get more light C. Get smaller D. Die faster

    asked by Ashley
  134. Physics ( oscillations and waves)

    a stretched string is observed to vibrate with frequency 30Hz in its fundamental mode when the supports are 60cm apart. the amplitude at the antinode is 3cm.the string has a mass of 30kg.calculate the speed

    asked by Pavan s m
  135. Chemistry

    A 14.7 mL sample of 0.0550 M KOH solution required 55.5 mL of aqueous acetic acid solution in a titration experiment. Calculate the molarity of the acetic acid solution.

    asked by Lane
  136. Science

    Hybridisation of C in [ CH triplebond C sinlebond CH doublebond CH2 ]

    asked by Karuna
  137. chemistry

    A titration to standardize a HCl solution was performed by taking 50.0ml hydrochloric acid in a flask with a few drops of phenolphthalein indicator. The burette was filled with 0.15 molar NaOH. The initial reading of the burette was 0.50ml and the final

    asked by martha
  138. Chemistry

    How many grams of KI must be added to a 250-ml volumetric flask to prepare a water solution that is 0.100 M in potassium iodide?

    asked by Miranda
  139. m240

    All rational functions can be expressed as f(x) = p(x)/q(x), where p and q are __________ functions and q(x) ≠ 0. A. horizontal asymptotes B. polynomial C. vertical asymptotes D. slant asymptotes My answer is B is this correct.

    asked by sandra
  140. chemistry

    How can lime be used yo improve the quality of soil degraded by industrial pollution?

    asked by martha
  141. Math

    The graph of x2 −6x+9+y2 +2y+1 = 25 is a circle. Where is the center of the circle? What is the radius of the circle?

    asked by Paul
  142. Maths

    What is the capacity of a cylinder tank of diameter 3.5m and height 4m in litres (pie22/7)

    asked by john
  143. Math

    If D represents distance you travel, R represents the rate you are moving, and T represents the time you travel, write a formula for 1) Distance 2) Rate 3) Time

    asked by Tyler
  144. Algebra 2

    Are a rational expression and its simplified forms equivalent? Provide mathematical examples to support your opinions. You may use tables or graphs to organize and present your thoughts. Can somebody give me some guidance for answering this question or

    asked by Fading
  145. Math

    A Typist Can Type 120 Words In 100 Seconds. At That Rate, How Many Seconds Would It Take To Type 600 Words? Minutes?

    asked by Le-Anne
  146. Software Engineering

    Create an automatic question paper generator system in JAVA which involves Artificial Intelligence with the following requirements:  The system should generate a test paper automatically based on the difficulty level. For this create a fake data for 25

    asked by Siddartha
  147. maths

    In a group of 50students,35 students like only one subject out of english & science.The ratio of students who like both & who dont like both is 1:2.Find the number of students who like both the subject.

    asked by abhisehk
  148. help

    if fred took a 40 N weight and dropped it from 10 meters. what would be the potential energy before he released it a 400j b 40 n-m c 392 n-m d 3920 j e 4000 j

    asked by erika
  149. physical science

    a 500 kg elevator is lifted 10. How much work was done a 50 j b 50 j /kg c 5000 j d 5000 j/kg degree c

    asked by erika
  150. physics

    a point mass of 12.5 kg is hung from an 18.3 m long rope and swings back and forth with an amplitude of 2.34m. what is the oscillation period for the pendulum system?

    asked by Anonymous
  151. math

    a line segment in a coordinate plane with a length of 76 units was rotated 60 deg about the origin and then translate 10 units to the left. what would be a resulting length of the segment after these transformation

    asked by johnsa
  152. Science:Just need quick help

    I am very tired and can hardly think straight. Thanks in advance to those who help. The amount of each size particle in soil is the particle size distribution. Is putting soil and/or sand in a bottle of water a good way to determine particle size

    asked by Tori
  153. algebra

    Solve 3x+10>=4 A. x>=-2 B. x

    asked by Emily
  154. science

    1) At body temperature of 36.5 ° C the osmotic pressure of the blood is of 7.80 atm. Calculate the mass of glucose (C6H12O6) that must be added to one liter of a solution containing 5 g / L of NaCl to be able to inject directly into a vein.

    asked by michael
  155. Math

    Sove the logarithmic equation x=log100(10)

    asked by April
  156. PHYSICS

    can someone help me with physics lab homework please: load 300 g at 60 degree mass at 180 deg 150 g mass at 270 deg 260 g for step two resolution of 300-g at 60 degree f load= fx'= fy'= percent error for each component for setup II? WOULD THE HYPOTHETICAL

    asked by LISA2
  157. chemistry

    What is the difference between the reaction of hydrochloric acid and water amd ethanoic acid and water?

    asked by martha
  158. chemistry

    What is the name of the acid produced when CO2 reacts with water?

    asked by martha
  159. math

    Use mathematical induction to prove that for all integers n ≥ 5, 1 + 4n < 2n

    asked by abosgr
  160. Math

    If a water reservoir is 5ft in height and 3ft in circumference (cylindrical shape).How much water will it contain in litres.

    asked by Riaz
  161. Social studies

    An organized army made up of honest men

    asked by Mildred
  162. Language Arts?

    I am applying or a Med Camp at Penn State and I have to write a thesis. This is what I have so far. "I have always been interested in the medical field. I remember when my dad used to take me hunting, we would gut the animal and I would always be asking

    asked by Sherlock
  163. mathematics

    determine the equation of a straight line gradient is 3 and the point (2,1)

    asked by ghaddafi
  164. chemistry

    What will be the color of litmus paper when tested with lime?

    asked by martha
  165. Math

    .For (a), find center and radius. For (b), explain why it has the same graph as (a). (a) (x−5)2 +(y+3)2 =49 (b)x2 −10x+y2 +6y=15

    asked by Kana
  166. math

    One rectangle is twice as long as it is wide. The second rectangle is 3cm longer than the first one, and 1cm narrower than the first one. The areas of both rectangles are the same. What are the dimensions of the first rectangle?

    asked by hari
  167. Comprehension

    To see the outline of a building as its shadow is cast on the lawn of a park is always amazing to see. When the sun rises perfectly centered at the end of an avenue lined with beautiful buildings, it can make a person stop dead in their tracks to admire

    asked by deyond ng
  168. Engineering Mechanics of Composite Materials

    A long and thin circuit interconnect of thickness t=0.5mm is to be made from a unidirectional glass/epoxy composite material (E1=60 GPa, E2=10 GPa, V12=0.3 and G12=10 GPa). If the interconnect is subjected to a biaxial normal stress (in the fiber direction

    asked by Khal
  169. Math

    50 is what percent of 125? ___% I got 2.5 but I know for a fact that's not write cause I checked.

    asked by Madi
  170. Math

    The Johnson brothers company has lost $240 for 6 straight weeks. Use integer's to write an expression to represent the total losses. Simplify the expression.

    asked by Tyler
  171. physical science

    If sam drops a 40 kg mass from a height of 20 meters on earth how much was the potential energy of the mass before he dropped it a-800 j b-784 n-m c-800 n-m d-7840 j e- 200 j

    asked by erika
  172. chemistry

    What is the gas produced when lime is heated?

    asked by martha
  173. Plate tectonics

    Explain how earthquake sizes are connected to the three types of plate boundaries

    asked by Crystal
  174. Math

    Write an equation for the circle that is centered at (−4, 5) and tangent to the x-axis.

    asked by Kana
  175. English

    Whose bicycle is in the driveway. (Is a fragment sentence)

    asked by Razah
  176. help

    work is measured in which of the following units a n b n-m c m d kg m/sec /sec

    asked by erika
  177. help

    do you check papers

    asked by help
  178. science

    If sam drops a 40 kg mass from a height of 20 meters on earth how much was the potential energy of the mass before he dropped it a-800 j b-784 n-m c-800 n-m d-7840 j e- 200 j

    asked by erika
  179. algebra

    -1/5x+5/2=11/5

    asked by Anonymous