Help please

Popular questions and responses by Help please
  1. LA the giver chapters 1-2

    Which of the following is an example of a dwelling? Select all that apply. 1. a city 2. a house*** 3. a monument 4. a condominium*** Which of the following passages from the novel helps you realize that the community in which Jonas lives is not like

    asked on May 13, 2015
  2. History

    Why did iranians take 53 Americans hostage at the American embassy in Iran? A. To force the United Statesvto loft to oil ban B. Because the US government allowed the shah to travel to the United States for medical treatment *********? C. because Atatollah

    asked on May 4, 2018
  3. Geometry

    Which of the following describes a median of a triangle? A. a segment drawn from a vertex to the midpoint of the opposite side B. a segment drawn from the vertex perpendicular to the line containing the opposite side C. a segment drawn through the midpoint

    asked on January 2, 2018
  4. pre algebra

    1. Solve the equation. –9v – 5 = –95 (1 point) 17 11 10 –10 2. Solve the equation. x over four – 5 = –8 (1 point) –27 –12 –7 12 3. Solve the equation. p over five + 6 = 10 (1 point) 44 30 20 –20 4. Solve the equation. –2(m – 30) =

    asked on September 27, 2017
  5. Algebra 1

    You use a line of best fit for a set of data to make a prediction about an unknown value. The correlation coefficient for your data set is 0.793. How confident can you be that your predicted value will be reasonably close to the actual value?

    asked on January 13, 2016
  6. Computer Science

    Which of the following statements contains an error? 1. system.out.print("/tab Age in Minutes: " + ageInMinutes +"/n"); 2. system.out.print("t/ Age in Minutes: " + ageInMinutes + "n/"); 3. system.out.print("/t Age in Minutes: " + ageInMinutes + "/n"); a. 1

    asked on October 23, 2017
  7. math

    Which of the following sets contains 3 irrational numbers ? a. { square root of 120 , pie , square root of 3 } b. {neg. square root of 256 , 1/9 , 1/12} c. {3.14 , -47 , 100} d. {pie , square root of 0.36 , square root of 121}*

    asked on April 18, 2016

    A)In a chemical reaction two gases combine to form a solid. What do you expect for the sign of ΔS? B) For which of the following processes does the entropy of the system increase? (Select all that apply.) -> alignment of iron filings in a magnetic field

    asked on March 19, 2012

    The table below shows two equations: Equation 1 |3x - 1| + 7 = 2 Equation 2 |2x + 1| + 4 = 3 Which statement is true about the solution to the two equations? Equation 1 and equation 2 have no solutions. Equation 1 has no solution and equation 2 has

    asked on October 5, 2014
  10. maths

    Draw an L-shaped room with an area of 20 m2 and a perimeter of 24 m. Show all the measurements. Explain your working.

    asked on June 3, 2020
  11. Math

    Brian gave 20% of his baseball cards to Scott and 15% to Adam. If he still had 520 cards, how many did he have originally?

    asked on July 30, 2014
  12. History

    How did early people who lived in the Pampas differ from early people who lived along the coast of what is now southern Chile? A. People in the Pampas ate more land animals. B. People in the Pampas were more likely to farm. C. People in the Pampas were

    asked on December 4, 2018
  13. computer science

    what is the value of the variable int iNum= 2.02 A. 2 B. 2.0 C. 2.02 D. 0.0 E. error:possble loss of precision please help and explain

    asked on September 19, 2017
  14. algebra

    A stainless steel patio heater is a square pyramid. The length of one side of the base is 21.6 inches. The slant height of the pyramid is 83.3 inches. What is the height of the pyramid? Round to one decimal place as needed. I have tried and can't figure it

    asked on April 19, 2018
  15. computer science

    what is the value of the variable? double dNum= 6.23 A. 6 B. 6.0 C. 6.23 D. 0.0 E. error: possible loss of precision

    asked on September 19, 2017

    Calculate the solubility of Mn(OH)2 in grams per liter when buffered at each of the following. a) pH 7.4 b) pH 9.2 c) pH 11.5 ALL IN GRAMS PER LITER. PLEASE HELP ME AND EXPLAIN

    asked on March 12, 2012
  17. language arts

    On which character traits does the narrator of “the tell-tale heart” pride himself? a. his abilities to lie and steal b. his sneakiness and his fear c. his wit and his confidence d. his intelligence and his patience i think it’s d! help!?

    asked on August 19, 2019
  18. computer science

    Which of the following statements does not contain an error? 1. string firstName=; 2. string lastName= in.nextline(); 3. system.out.print("\n"); a. 1 only b. 2 only c. 3 only d. 1 and 3 only e. 2 and 3 only is the answer 1 and 3

    asked on October 25, 2017
  19. computer science

    what is the value of the valuable double dNum=5 A. 5 B. 5.0 C. 0 D. 0.0 E. error: possible loss of precision please help and explain

    asked on September 19, 2017

    If we decrease the distance an object moves we will decrease the amount of force applied. Decrease the amount of work done. increase the amount of force applied. increase the amount of work done.

    asked on September 23, 2014
  21. Pre-calculas

    Boat A leaves a dock headed due east at 1:00 PM traveling at a speed of 16 mi/hr. At 2:00 PM, Boat B leaves the same dock traveling due north at a speed of 18 mi/hr. Find an equation that represents the distance d in miles between the boats and any time t

    asked on January 27, 2016
  22. art

    In haystacks in Brittany by paul Gauguin the artist most obviously showed experimentation through his use of 1: perspective 2: texture 3:color 4: line My guess is 1

    asked on October 6, 2015
  23. history

    1. Which factor contributed most to the beginning of the women's rights movement in the United States during the mid-1800s? A. A dramatic increase in women's participation in the workforce *** B. A shift in social attitudes brought on by increased

    asked on May 12, 2014
  24. English

    A __ includes all the works an author consulted but did not necessarily cite in the actual report. a. Works Cited page b. Bibliography c. footnote d. parenthetical citation***

    asked on May 31, 2018
  25. world history

    What were the purposes of the earthworks built by cultures of eastern North America? SELECT THREE . burial mounds temple platforms astronomical observatories defensive structures fields for athletic competition select 3 answers one

    asked on September 11, 2017
  26. Health 7th

    you want to ask your teacher for extra help,so you practice in your mind what you will say. this is an example of ____. A) eustress B) distress C) a stressor D) a mental rehearsal _____________________________________ during the alarm stage of stress your

    asked on December 14, 2015
  27. Functions - Please Help

    In 2001, Windsor, Ontario received its maximum amount of sunlight, 15.28 hrs, on June 21, and its least amount of sunlight, 9.08 hrs, on December 21. 1) Due to the earth's revolution about the sun, the hours of daylight function is periodic. Determine an

    asked on March 9, 2015
  28. MATH

    The table below represents the volume of a liquid sample as a function of its temperature: Temp (C) Volume (ml) x f(x) 11 95 16 100 21 105 26 110 The average rate of change of f(x) between x=11 to x=21 is _____ ml per C ((degrees)) and represents the rate

    asked on November 16, 2014
  29. AP CHEM

    potassium tetrabromo(ortho-phenanthroline)- cobaltate(III)

    asked on March 7, 2012

    A) At 800 K the equilibrium constant for I2(g) 2 I(g) is Kc = 3.1 10-5. If an equilibrium mixture in a 10.0-L vessel contains 3.44*10-2 g of I(g), how many grams of I2 are in the mixture? answer is .060g B)For 2 SO2(g) + O2(g) 2 SO3(g), Kp = 3.0*104 at 700

    asked on February 16, 2012
  31. chemistry

    Suppose a popular FM radio station broadcasts radio waves with a frequency of 93. MHz. Calculate the wavelength of these radio waves. Round your answer to 2 significant digits.

    asked on November 2, 2018
  32. language arts

    which question best relates to these details in winter. Frogs burrow the mud, snails bury themselves a.what happens to frogs in the winter. do animals differ from people in the winter. c.why do sanils bury themselves. do creatures pepare for

    asked on February 9, 2017
  33. Math

    On Friday night the local diner serves three main entrees, each with a choice of vegetable. The entrees are beef, chicken, and fish. The vegetables are spinach, broccoli, and carrots. How many possible dinners ( entree and vegetable combinations does the

    asked on May 18, 2016
  34. Social Studies PLEASE HELP!

    1. The first successfully established English colony in North America was (1 point) Plymouth. New York. Jamestown. Santa Fe. 2. Protestants who wanted to reform the Anglican Church were called (1 point) Pilgrims. Puritans. Plymouthians. priests. 3. How did

    asked on October 27, 2015
  35. The giver

    Why does Jonas share a memory with Gabriel? A. He is trying to calm the baby and lull him back to sleep B. He is eager to transmit his experiences to a member of the community C. He does not think anything is wrong with sharing his memories D. He feels it

    asked on May 22, 2015
  36. Physics

    You have 300 g of coffee at 55 degrees celcius. Coffee has the same specific heat as water. How much 10 degrees celcius water do you need to add in order to reduce the coffee's temperature to a more bearable 49 degrees celcius?

    asked on January 29, 2012
  37. Math

    In a study, a fish and game department worker catches, tags, and frees 124 catfish in a lake. A few weeks later he catches and frees 140 catfish. 35 have tags. Estimate the number of catfish in a lake. (Hint: set up and solve a proportion).

    asked on May 13, 2020
  38. History

    Which of the following actions occurred first? Japan attacked Pearl Harbor The Axis powers invaded neighboring territories The Lend-Lease Act was proposed The United States drafted men into the armed forces I honestly have no idea what the answer could

    asked on February 12, 2019
  39. Geometry

    Where is the centroid of any given triangle? A. the point of concurrency of the altitudes of the triangle. B. the point of concurrency of the medians of the triangle. C. the point of concurrency of the perpendicular bisectors of the triangle. D. the point

    asked on January 2, 2018
  40. math ( i need help asap ) pls

    1. gavin needs to read at least 150 pages of his book this week . he has already read 82 pages . how many more pages p must gavin read this week ? a. 82+p >_ 150; p _> 68 b. p+ 82 _< 150; p _< 68** C. P-72 _> 150; P_> 222 D. P-82 _< 150; P _< 222 2. SOLVE

    asked on November 10, 2016
  41. math

    a bag contains 7 green marbles, 9 red marbles, 10 orange marbles, 5 brown marbles, and 10 blue marbles. you choose a marble, replace it, and choose again. what is P(read, then blue)? A. 77/164 B. 19/41 C. 90/1681 D. 45/41

    asked on May 7, 2014
  42. math

    a number cube is rolled 150 times. the number 3 comes up 43 times. hat is the experimental probability of rolling a 3? what is the theoretical probability of rolling a 3? A. 43/150 ; 1/6 B. 43/150 ; 1/50 C. 1/6 ; 43/150 D. 3/43 ; 1/6

    asked on May 7, 2014
  43. Physics

    A baby whale gets lost from his mother while swimming through a large underwater canyon. Frantically the baby whale yells for his mommy. 1.5 seconds later, the whale hears his yell's ECHO from the canyon wall. How far is it to the canyon wall? The speed of

    asked on April 3, 2014

    A 5450-m^3 blimp circles Fenway Park duing the World Series, suspended in the earth's 1.21-kg/m^3 atmosphere. The density of the helium in the blimp is 0.178 kg/m^3. A) What is the buoyant force that suspends the blimp in the air? B) How does this buotant

    asked on April 2, 2012
  45. AP Chemistry

    A buffer, consisting of H2PO4− and HPO42−, helps control the pH of physiological fluids. Many carbonated soft drinks also use this buffer system. What is the pH of a soft drink in which the major buffer ingredients are 7.20 g of NaH2PO4 and 4.90 g of

    asked on March 12, 2012

    I love chocolate and coffee. I begin by making one cup of hot chocolate. I drink half of my cup and then I fill the cup with coffee. I stir the new mixture and drink half of the cup and then fill the cup again with coffee. I continue this pattern until I

    asked on October 10, 2011
  47. Math

    Name the point with the given coordinates. (-4,2) Answers to test or help with the question please!!

    asked on May 19, 2020
  48. social studies

    Describe the causes and effects of sectional differences between the North and South by comparing northern and southern whites. Consider differences in the basis of wealth and city population

    asked on February 21, 2020
  49. social stuides

    How did European exploration affect East Asian countries?

    asked on October 9, 2019
  50. history

    What happened to the kingdom of Israel after Solomon died? A. David became king. How have the teachings of Judaism influenced modern society? A. Many classic tales are taken from stories originating in the Talmud. B. Hebrew is one of the most common

    asked on September 10, 2019
  51. educational technology

    which verb tense is used in the following sentence? as captain i represent the team at debates A. present tense B. future tense C. past tense D. early tense I think B can someone please help?

    asked on February 11, 2019
  52. washington state history

    what effect has the climate of eastern Washington had on energy. A. energy costs remain low because the climate is mild and relatively unchanging. B. extreme cold temperatures in the region requires more energy to heat homes. C. the rain shadow effect

    asked on February 9, 2017
  53. health 7th

    1. during the alarm stage of you stress body release a chemical called adrenaline which is part of a. eustress b. the flight-or-fight- response*** c. mental rehearsal d. a catastrophe 2.nay event or situation that causes stress is called a(n) a. eustress

    asked on November 10, 2016
  54. Math

    How would I write an equation of a line with an undefined slope that passes through (-3,-6)?

    asked on November 7, 2016
  55. language arts

    in "all together now" , Barbara jordan's main purpose is to A) persuade readers that a tolerant society is best created by working on a small scale . B) inform readers of the recent history of the civil rights movement in the united states. C) praise the

    asked on November 1, 2016
  56. Science

    Q1: Why do scientist use models? A.) Scientist use models to learn about things that are too small, too late, or too complex to observe directly. B.) Scientist use models because doing so is always part of the scientific method. C.) Scientist use models

    asked on September 1, 2016
  57. math

    simplify 10p4 A. 210 B. 360 C. 5,040 D. 151,200 simplify 9c4 A. 126 B. 15,120 C. 5 D. 3,024

    asked on May 7, 2014
  58. physics/light reflection

    A light of ray is incident at an angle of 58degrees on the plane surface of a block of glass of refractive index 1.60. Some light is reflected on the other side of the normal at the same angle as the angle of incidence. Find: a.the angle between the light

    asked on October 24, 2012
  59. calculus

    find max, min and saddle points of the give function f(x,y)=sin(x)+sin(y)+sin(x+y) 0

    asked on March 9, 2012

    The following acid-base indicators are available to follow the titration. Which of them would be most appropriate for signaling the endpoint of the titration? EXPLAIN ------- COLOR CHANGE ------ INDICATOR Acid form Base Form pH Transition Interval

    asked on March 8, 2012
  61. math

    what is the power function end behavior model of f(x)= 3x^2-2x+1 and how do you find it?

    asked on September 1, 2008
  62. Math

    Namid works for a florist and is making arrangements for the tables at a reception . He has 36 roses, 48 tulips, and 72 carnations. Each vase must contain the same number of each type of flower. How many vases will Namid need. How many of each type of

    asked on December 24, 2019
  63. math

    Madeline drew a grid of 5 cells in a row. 4.88 4.86 4.84 4.82 Explain how you can use structure to find the missing decimal. Incorrect answer A. Moving left to right, the whole number stays the same and the tenths decrease by 2. Incorrect answer B. Moving

    asked on December 23, 2019
  64. social studies

    Which hazards does climate change pose for Southeast Asia? Select the two correct answers. A. rising sea levels B. more volcanic eruptions C. more intense typhoons D. increased tectonic activity E. overcrowding in coastal cities

    asked on November 4, 2019
  65. math

    In a fraction with the denominator of 15, which value could the numerator be to produce a repeating decimal? a) 15 b) 9 c) 11 d) 12

    asked on August 28, 2019
  66. English

    Why does the sound of the old mans groan in the middle of the night sound familiar to the narrator of “The Tell-Tale Heart”? a) the narrator himself has groaned in terror in the night b) the old man groans often c) the old mans groan sound like the

    asked on August 22, 2019
  67. Science

    Which physical factors MOST influence the Antarctic ecosystem? A) climate, rain, erosion B) plants, wind, and air pressure C) weather, ice, and ocean currents **** D) salinity of water, polar bear population, and snow

    asked on May 7, 2019
  68. chemistry

    Classify the reaction between zinc and acetic acid and explain, in general terms, what happens during this type of reaction. would the type of reaction be a single replacement ??

    asked on December 11, 2017
  69. english

    17. Read the following lines from “the love song of J. Alfred Prufrock.” And indeed, there will be time! To wonder, “do I dare?” and, “do I dare?” Time to turn back and descend the stair, With a bald spot in the middle of my hair – (They will

    asked on December 5, 2017
  70. math

    As cars passed a checkpoint, the following speeds were clocked and recorded. Speed (mph): 55 62 61 54 68 72 59 61 70 what's the range? , 1st quartile and 3rd quartile? please. i know the mean is 62 and themin is 54 and the max is 72 and the 2nd quartile is

    asked on November 29, 2017
  71. computer science

    what is the value of the variable? double dNum= 6.23 A. 6 B. 6.0 C. 6.23 D. 0.0 E. error: possible loss of precision

    asked on September 19, 2017
  72. LA

    Choose the option that best completes the multi-draft reading process for poetry. First Read: Read to unlock the basic meaning of the poem. Second Read: ????? Third Read: Find relationships between ideas in the poem. 1. Consider how the poems structure

    asked on January 25, 2017
  73. Social Studies

    1.What prompted the call to rewrite the Articles of Confederation? A:The desire to win independence by unifying the nation B:The economic downturn caused by the limitations on the central government C:The need to establish a national court system to deal

    asked on November 14, 2016
  74. MATH

    The area of a circle is 25π square inches. What is the length of the radius of the circle in inches? (Area of circle = πr^2). I don't understand it please explain it to me

    asked on October 17, 2016
  75. Algebra

    what is the solution to (4 x 10^3) x (6 x 10^6), written in scientific notation? A. 24 x 10^9 B. 2.4 x 10^9 ** C. 24 x 10^18 D. 2.4 x 10^10 Is this right?

    asked on October 4, 2016
  76. history please help

    1. Why did farm prices fall in the 1950’s? a. Farmers bought new expensive machinery b. Farmers produced more than they could sell** c. Farmers could not sell their products in Europe d. Farmers saw their government subsidies reduced 2. What shortage was

    asked on April 21, 2016
  77. Pre-calculas

    A conical tank of radius R=19 feet and height of H=16 feet is being filled with water at a rate of 9ft 3 /min . (a) Express the height h of the water in the tank, in feet, as a function of time t in minutes

    asked on January 27, 2016
  78. SS

    How are Environment and culture related? A) similar environments always produce similar cultures. B) different cultures respond similarly to similar environments. C) environment helps shape culture and culture helps shape environment. D) environment and

    asked on January 15, 2016
  79. math

    one number is 8 less than another. If twice the larger number is equal to four times the smaller number.what is the smaller number?

    asked on July 11, 2015
  80. Math

    Find the lateral area of the cone. Use 3.14 fo pi and round result to the nearest whole unit. radius: 15cm Side unit: 28cm Please help!! A) 1,319 cm squared B) 2,639 cm squared C) 707 cm squared D) 2,026 cm squared is the answer B?

    asked on January 13, 2015
  81. algebra

    evaluate the expression when a = 4 b = -5 and c = -8 -b + c =

    asked on October 6, 2014
  82. Physics

    A 69.5kg football player is gliding across very smooth ice at 2.15m/s . He throws a 0.470kg football straight forward. A) What is the player's speed afterward if the ball is thrown at 16.0m/s relative to the ground? B) What is the player's speed afterward

    asked on May 27, 2014
  83. math

    a basket contains the following pieces of fruit: 3 apples, 2 oranges, 2 bananas, 2 pears, and 5 peaches. Jameson picks a fruit at random and does not replace it. Then Brittany pricks a fruit at random. What is the probability that Jameson gets a banana and

    asked on May 7, 2014
  84. Algebra 1 math

    Deborah rolls two fair dice. What is the probability that the sum of the numbers rolled is 7?

    asked on April 29, 2014
  85. physics

    The drawing shows a 25.1-kg crate that is initially at rest. Note that the view is one looking down on the top of the crate. Two forces, 1 and 2, are applied to the crate, and it begins to move. The coefficient of kinetic friction between the crate and the

    asked on October 1, 2013
  86. Physics..Elena or anybody please help

    I(mass=80 kg) sit down in the center of a trampoline and the surface sinks down by a distance of 10 cm when I reach equilibrium. How far above the ground in m must the trampoline be placed so that if I jump onto the trampoline from a height of 3 m above

    asked on May 20, 2013
  87. Phyics

    In a solar water heater, energy from the Sun is gathered by water that circulates through tubes in a rooftop collector. The solar radiation enters the collector through a transparent cover and warms the water in the tubes; this water is pumped into a

    asked on April 12, 2013
  88. Statistics

    Given a study of 9804 overweight or obese subjects with preexisting cardiovascular disease and/or type 2 diabetes. Subjects randomly assigned to subitramine (4906 subjects) or a placebo (4898 subjects) in a double-blind fashion. Primary outcome was

    asked on April 9, 2013
  89. physics

    A light of ray is incident at an angle of 58degrees on the plane surface of a block of glass of refractive index 1.60. Some light is reflected on the other side of the normal at the same angle as the angle of incidence. Find: a.the angle between the light

    asked on October 24, 2012
  90. Physics

    1. A bullet of 0.0500 kg is fired into a block of wood. Knowing that the bullet left the gun with a muzzle velocity of 350. m/s, and the bullet penetrates .15 m into the block of wood, determine: a) The average force required to stop the bullet. b) The

    asked on July 14, 2012
  91. physics

    A 2.0-kg ball moving at 10 m/s makes an off-center collision with a 3.0-kg ball that is initially at rest. After the collision, the 2.0-kg ball is deflected at an angle of 30° from its original direction of motion and the 3.0-kg ball is moving at 4.0 m/s.

    asked on May 6, 2012

    Calculate the solubility of LaF3 in grams per liter in the following solutions. (Ksp = 2. 10-19.) a) pure water Ans: .00182g/L b) 0.037 M KF solution c) 0.055 M LaCl3 solution NEED b&c PLEASE HELP

    asked on March 13, 2012

    1) Calculate the molarity of a solution of sodium hydroxide, NaOH,if 23.64 mL of this solution is needed to neutralize 0.5632g of potassium hydrogen phthalate. 2) It is found that 24.68 mL of 0.1165M NaOH is needed to titrate 0.2931 g of an unknown acid to

    asked on March 8, 2012
  94. Physics

    You have 300 g of coffee at 55 degrees celcius. Coffee has the same specific heat as water. How much 10 degrees celcius water do you need to add in order to reduce the coffee's temperature to a more bearable 49 degrees celcius?

    asked on January 29, 2012
  95. finance help

    I cannot figure out how to do this. Any help would be appreciated. What is the fair value of a project if it returns $5,000 after one year and $2,000 after two years? The interest rate is 9%

    asked on February 1, 2011
  96. science

    It is true that ______ a) few plants grow well around water b) plants are better able to seek water than are animals c) water covers about 95% of the plants d) the amount of water in the enivronment limits the kinds of organisms that can live there e)

    asked on September 10, 2010
  97. science

    true or false the force of friction acts in the SAME direction as the direction of the sliding object

    asked on November 2, 2009
  98. Spanish

    What makes ir irregular in the preterite tense? This is the exact question, I would like alittle explanation of why ir is an irregular verb in preterite tense so I understand and don't just copy and paste.

    asked on May 5, 2020
  99. math

    what is r/3-4=11 1. r=45 2. r=35 3. r=33 4. r=28

    asked on April 27, 2020
  100. History

    which factor has helped the manufacturing industry remain strong in texas? 1. the mid climate and geographic location****** 2. urbanization 3.expansive highway and rail lines 4. the growth of labor unions

    asked on March 27, 2020


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