# Questions Asked onApril 9, 2018

1. ## History

Which islands were important in the island-hopping campaign? (Select all that apply) Saipan Guam Guadalcanal Iwo Jima A and D?

2. ## History

Which identifies the significance of the Nuremberg trials? ensured the execution of every high-ranking Nazi official created four Allied occupation zones in postwar Germany provided a precedent for international cooperation and justice for all war crimes

3. ## History

Which accurately analyzes the development of Nazi camps for Jews? Initially, Jews were interned in concentration and labor camps before being sent to death camps Jews were initially forced into concentration camps before being transferred to city ghettos

4. ## Math

It is a beautiful sunny day at the fair. The U.V. index for this day is 8, or high, so sunscreen is a must for all the young folk. The effectiveness of sunscreen is indicated by the sunscreen protection factor (SPF). The higher the SPF number the fewer

5. ## world civilizations

What was the significance of Olga’s creation connection between Kiev and Constantinople?

6. ## history

What impact did Napoleon have on popular culture? Napoleon deported foreign artists and teachers who spoke out against him. Napoleon controlled art production so that he would be portrayed in a positive manner. Napoleon replaced the Julian calendar with a

7. ## Calculus

A rectangle initially has dimensions 4cm by 6cm. All sides begin increasing in length at a rate of 5cm/s. At what rate is the area of the rectangle increasing after 15 seconds

8. ## Chemistry

Ammonia (NH3) ionizes according to the following reaction: NH3(aq) + H2O(l) ⇌ NH4+(aq) + OH–(aq) The base dissociation constant for ammonia (NH3) is Kb = 1.8 × 10–5. Ammonia (NH3) also has a chloride salt, ammonium chloride (NH4Cl), which is soluble

9. ## Chemistry

Students are instructed to add no more than 0.25 mL of 15 M nitric acid. What volume of 15 M nitric acid is required to react with 0.030 g of copper metal? If 1.0 mL of acid contains approximately 20 drops, how many drops of nitric acid are needed?

10. ## Chemistry

NH4Cl(s) → NH3(g) + HCl(g) ΔH°=176 kJ/mol At 25 °C, this reaction has a ΔG° of 91.1 kJ/mol. What is the ΔS° of this reaction? I came up with the solution of 0.896 kJ/mol. Is this correct?

11. ## Social Studies

I got the question correct but I don't understand why the answer I chose was correct. (I eliminated the ones that I knew were wrong and guessed out of the two answers I had left) Here's the question: Which event contributed most significantly to the

12. ## History

The Weimar Republic’s inability to deal with economic issues caused by __________ led to the rise of extremist groups like the Nazis. hyperinflation and the Great Depression the adoption of socialist policies a drop in the value of gold unemployment

13. ## Calculus

An arrow is shot into the air and moves along the parabolic path y=x(50-x). The horizontal component of velocity is always 90 ft/s. What is the vertical component of velocity when... x=10 x=40

14. ## Math

It is a beautiful sunny day at the fair. The U.V. index for this day is 8 or higher so sunscreen is a must. The effectiveness of sunscreen is indicated by the sunscreen protection factor (SPF). The higher the SPF number the less U.V. rays can penetrate to

15. ## Algebra

Given the functions f(x)=1x−2+1 and g(x)=1x+5+9 . Which statement describes the transformation of the graph of function f onto the graph of function g? The graph shifts 8 units right and 7 units down The graph shifts 7 units left and 8 units up. The

16. ## Calculus

An inverted conical water tank with a height of 16 ft and a radius of 8 ft is drained through a hole in the vertex at a rate of 5 ft^3/s. What is the rate of change of the water depth when the water is 4 ft

17. ## English

1. He is swimming in the river. 2. He is swimming on the river. [Can we use on as in #2?] 3. He is on top of the bus. 4. He is on the top of the bus. [Can we use both expressions?] 5. He is on the bus. 6. He is on top of the bus. 7. He is in the bus. [Does

18. ## Chemistry

Why is trioxonitrate v acid not used for preparing hydrogen from metals

19. ## Physics

The pupil of an eagle’s eye has a diameter of 6.0 mm. Two field mice are separated by 0.010 m. From a distance of 182 m, the eagle sees them as one unresolved object and dives toward them at a speed of 15 m/s. Assume that the eagle’s eye detects light

20. ## Chemistry

Balance the following in basic solution. NO2− + H2 → N2O Find Oxidation reaction, Reduction reaction, and Net reaction

21. ## Chemistry

A hydrocarbon consists of a benzene ring and two methyl groups. The methyl groups are located at opposite carbons and the molecule is perfectly symmetrical. Which option correctly describes the numbers of the carbon atoms the methyl groups are bonded to?

22. ## Chemistry

Silicon is an element that is directly below carbon on the periodic table. Silicon can form bonds similar to carbon. Silicon-silicon single bonds require 222 kJ/mol of energy to break. Based on the statements, how much energy would it take to break a

23. ## Mathh

A baseball is hit from a height of 0.8 m. After “t” seconds, its height “h”, in metres, is given by the equation h = -5t2 + 20t + 0.8. How long does the ball stay at least 15 m above the ground? What would be the LET statement?

24. ## Circuits 2

For the circuit below, V1 has rms voltage of Vrms=10V. The turn ratio of the primary to secondary side of the transformer is 1:10. If R1 has a value of 20Ω, what is the value of the rms current on the secondary side? Enter your answer in units of Amps.

25. ## Chemistry

Balance the following half-reaction under basic conditions. NO3^− → NH3

The] said Cooper Hughs Freedman with his wife...are to work on said farm and to cultivate forty acres in corn and twenty acres in cotton, to assist in putting the fences on said farm in good order and to keep them so and to do all other work on said farm

27. ## Chemistry (bonds)

Which formula represents a 5-carbon hydrocarbon ring with one double bond? C5H12 C5H5 C5H8 C5H7 I chose C5H8, is this correct?

28. ## Chem

Which of the following six-carbon molecules can be a straight-chain alkyne with two triple bonds and no double bonds? C6H4 C6H6 C6H8 C6H10 I chose C6H6, is this correct?

29. ## Chemistry

How many grams of a sodium salt would you need to prepare 500 ml of a buffer at pH = 3.29, using 0.100M solution. (Use 3 sig fig , atomic wts to whole number)

30. ## Math

Two trains start heading toward each other from two cities, the distance between which is 720 km, and meet right in the middle. The second train left 1 hour after the first train, but traveled at a speed 4 km/hour faster than the first train. Find the

31. ## math

Lily has \$18. Matt has twice as much of a third of the amount that Lily has, and Carolyn has \$23 more than Matt has. How much money does Carolyn have

32. ## Algebra

Enter the equations of the asymptotes for the function f(x) . f(x)= −(2/x+4) − 6 Vertical Asymptote: ? Horizontal Asymptote: ?

33. ## Chemistry

I. C(s) + O2(g) → CO2(g) ΔHf = −394 kJ II. H2(g) + O2(g) → H2O(l) ΔHf = −242 kJ III. 2C(s) + 3H2(g) → C2H6(g) ΔH =−84 kJ The combustion of C2H6 is shown by the following equation: C2H6(g) + O2(g) → 2CO2(g) + 3H2O(l) Which option correctly

34. ## Physics

In Young's experiment a mixture of orange light (611 nm) and blue light (471 nm) shines on the double slit. The centers of the first-order bright blue fringes lie at the outer edges of a screen that is located 0.452 m away from the slits. However, the

35. ## Math

.Over a 24-hour period, the temperature in a town can be modeled by one period of a sinusoidal function. The temperature measures 70°F in the morning, rises to a high of 80°F, falls to a low of 60°F, and then rises to 70°F by the next morning. What is

36. ## math

The function ​f(x)​ is the number of feet below the surface of the water a diver is at x seconds. After 14 s, the diver reached the maximum distance of 22 ft below the surface of the water. The diver stayed in the water for 20 minutes. What is the

37. ## ELA

Choose the best paraphrase for the sentence below: "A pox on you for your loathsome chiding!" a. Curse you for your hateful scolding!*** b. May you be diseased for your disgusting behavior c. I want to hit you because you've been hiding

38. ## Biology

Which rule of probability is used for mutually exclusive outcomes?

39. ## Algebra 1

Tickets to a local movie were sold at \$4.00 for adults and \$2.50 for students. If 287 tickets were sold for a total of \$1107.50, how many adult tickets were sold?

40. ## Algebra

What effect does replacing x with x−4 have on the graph for the function f(x)? f(x) = ∣x−6∣+2 The graph is shifted 4 units up The graph is shifted 4 units down. The graph is shifted 4 units left. The graph is shifted 4 units right.

41. ## Geometry

what would happen to the number of rotations if the circumference of the tire were increased by 20% what would happen to the number of the rotation if the circumference of the tire were to decrease by 20%

42. ## Chemistry

When 400ml of a 0.01M MgCl2 solution is mixed with a 300ml if a NaOH solution at pH 9.0, a precipitate will form. True or False?

43. ## English- Poetry

How do authors use gothic and romantic elements to develop content and style that add beauty and power to their writing? (Examples to use: Poe—“Annabel Lee”, “Lenore”, “The Raven”, “The Pit and the Pendulum”--, “Mistletoe Bough”,

44. ## physics

A 2285 kg freight train, coasting at 13 m/s, strikes a stationary 2465 kg box car. Determine the "CHANGE IN VELOCITY" for the freight train if the freight train and the box car couple together. Hint: Draw an "IF Chart" to solve.

45. ## physics

A 2285 kg freight train, coasting at 13 m/s, strikes a stationary 2465 kg box car. Determine the "CHANGE IN VELOCITY" for the freight train if the freight train and the box car couple together.

46. ## MATHh

Include the LET statement for the equation below: An art dealer advises that, for the best display of a painting, the area of the frame should be 1/5 the area of the painting. Determine the best width of the frame for a painting 20-cm by 20-cm, if the

47. ## math

A leak in a water tank causes the water level to decrease by 3.6×10^−2 millimeters each second. About how many millimeters does the water level in the tank decrease in 5 hours, or 1.8×10^4 seconds? express the answer in scientific notation.

48. ## Math

Nancy is 6 times as old as Mary. When will she be only twice as old as Mary?

49. ## Physics

A sound wave travels in air toward the surface of a freshwater lake and enters into the water. The frequency of the sound does not change when the sound enters the water. The wavelength of the sound is 3.52 m in the air, and the temperature of both the air

50. ## physics

A 12801 kg freight train, coasting at 19 m/s, strikes a stationary 2445 kg box car. Determine the "CHANGE IN MOMENTUM" for the freight train if the freight train and the box car couple together. Hint: Draw an "IF Chart" to solve. i got -39005.01

51. ## Physics

Write out all the nature and position of image formed by a convex lens or concave lens.

52. ## 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. I)

53. ## math

One pipe can fill a pool in 10 hours. Another pipe can fill the pool in 30 hours. How long would it take them to fill the pool if they were working together?

54. ## math

A leak in a water tank causes the water level to decrease by 3.6×10^−2 millimeters each second. About how many millimeters does the water level in the tank decrease in 5 hours, or 1.8×10^4 seconds? express the answer in scientific notation.

55. ## math

What is (f+g)(x)? f(x)=x^2−36 g(x)=x^3+2x^2−10

56. ## Math help pls!!!

the sum of the ages of petra and her mother 44. her mother is 8 years more than twice as old as petra. how old are petra and her mother. this dont make sense so pls help me on this math question help me asap pls and ty

57. ## 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

58. ## Physics (HELP)

An object is placed at a distance of 6 cm from a concave mirror and an image is produced at a distance at a distance of 14 cm from the mirror. What is the focal length?

59. ## Physics (HELP)

An object is placed at a distance of 60 cm from a converging lens with a focal length of 20 cm. What is the magnification of the lens?

Emilio was playing marbles in the first round he lost 1/2 of his marbles in the second round he lost 1/4 of his his remaining marbles in the third round he lost 1/3 of his remaining marbles he gave 1 marble to his friend he had 1 marble left how many

61. ## Socials

Why do you think lawyers in land-claims trials refer to the royal proclamation of 1763 more than 2 hundred years after it was proclaimed?

62. ## Biology

What volume range is a P20 (micropipette) useful for?

63. ## Biology

Which technique or device is used to determine probabilities of allele combinations in offspring?

64. ## Biology

How many alleles for a specific gene can any single gamete contain?

65. ## Algebra & Stumped

I am stumped on this question which I belive I will never get an answer to it Shelly hopped onto her bicycle and pedaled to the park at 14 miles per hour. Then she whizzed back at 20 miles per hour. If the total trip took 3 2/5 hours how far was it to the

66. ## Math

Which does the Y intercept this function represent Y equals 2+ 4X

67. ## Chemistry

I need help solving these. I don’t know what formula to use for them. There’s the (Boyle’s law, Kevin’s law, Charles law, and Gays law). Can someone help me figure out which law I’m supposed to use?

68. ## Math

At a farm, animals are fed bales of hay and buckets of grain. Each bale of hay is in the shape a rectangular prism. The base has side lengths 2 feet and 3 feet, and the height is 5 feet. Each bucket of grain is a cylinder with a diameter of 3 feet. The

69. ## Statistics

What is a diagram that shows the frequency of data on a number line. I honestly don't know.

70. ## math

Maya needs to make a total of deliveries this week. So far she has completed of them. What percentage of her total deliveries has Maya completed?

71. ## ELA

Read the passage from "The Charge of the Light Brigade:" "Forward, the Light Brigade!" Was there a man dismayed? Someone had blundered. Theirs not to make reply, Theirs but to do and die. Into the Into the valley of Death Rode the six hundred. Where are

72. ## Circuits 2

Select all statements below that are TRUE. a.Transformers can increase both voltage and current at the output. b.Transformers can be used as an impedance matching element. c.Transformers work by coupling magnetic fields between coils. d. LVDTs measure

73. ## physics

A 12784 kg freight train, coasting at 17 m/s, strikes a stationary 5450 kg box car. Determine the velocity of the train and the box car is they couple together.

74. ## History

What was the significance of Japanese military culture on President Truman’s decision to use atomic weapons to end the war? Can I get help finding a source to answer this question?

75. ## English

1. She is at the river. 2. She is by the river. 3. She is at the car. 4. She is by the car. 5. She is at the table. 6. She is by the table. 7. She is at the computer. 8. She is by the computer. [Is each pair the same? Is there any difference in each pair?]

76. ## math

Kyle divided a drink with a volume of 2 1/2 cups into 1/4 portions. How many portions did he he have?

77. ## English

1. What is the root verb of 'seen'? 2. What is the base verb of 'seen'? 3. What is the bare infinitive of 'seen'? 4. What is the verb root of 'seen'? 5. What is the dictionary form of 'seen'? 6. What is the base from of the verb 'seen'? -It's 'see.' [Which

79. ## Language arts ca

Both "the road not taken" and "o captain! my captain! are analogies. write a paragraph comparing the authors use of analogy. what is analogy? how does frost use analogy in his poem? how does whitman use analogy in his poem? why has each of these analogy

80. ## math

Order from least to greatest. A.1/4,0.2,1/2 B.1/2,1/4,0.2 C.0.2,1/4,1/2 D.0.2,1/2,1/4

81. ## math

what is the dimensions of a square? area = 144 cm2

82. ## Math

A fish caught whose tail weighed 9 pounds. His head weighd as much as his tail and half of his body, and his body weighed as much as his tail and head. How much did the fish weigh.? Is 40 1/2 lbs right or wrong?

83. ## Chemistry

Given the following data for a hypothetical reaction: M3+ (aq)+ L-(aq) ⇋ [ML]2+(aq); calculate the equilibrium concentration of [ML]2+in the trial solution and Kc based on this single trial run of the equilibrium reaction. Standard solution data:

84. ## Math

Eight points are placed on a circle. How many lines are possible if each point is connected to each of the other points

85. ## Physics

A tumor of 120 g absorbs a total of 1.7 J of energy. Determine the absorbed dose in rads. I got 1417 rad, am I correct? Thanks!

86. ## English (Comprehension)

Good morning! I'm having difficulty with this question on my practice sheet, and I wanted a second-hand opinion, any help is appreciated. Read this excerpt: One-eighth of the whole population were colored slaves, not distributed generally over the Union,

87. ## Physics

A 75 kg laboratory technician working with the radioactive isotope 137Cs receives an accidental 100 mrem exposure. 137Cs emits 0.66 MeV γ-ray photons. a) How many γ- ray photons are absorbed in the technician’s body? b) How many rad of alpha radiation

88. ## Math

i need help with a few problems. 1. find 3 solutions to the equation y=7x-5

89. ## Math -- repost for Diana

Ryan bought 6 apples and 9 peaches for a total of \$9.75. Madi bought 4 apples and 5 peaches for \$5.75. How much are apples and peaches?

90. ## Math

A total of 210 people attended the opening night of a school musical. Student tickets cost 3.00 each while general admission tickets cost 7.50 each. If total sales were \$1296, how many general admission tickets were sold? Need help setting up the equations

91. ## physics

A 11722 kg freight train, coasting at 11 m/s, strikes a stationary 13855 kg box car. Determine the "CHANGE IN MOMENTUM" for the box car if the freight train and the box car couple together. Hint: Draw an "IF Chart" to solve. (This question has been updated

92. ## English

posted by rfvv Thursday, April 5, 2018 at 5:57am 1. I laugh. Don't laugh, I tell myself. Think of tomorrow's math test. That works. I sit quietly. -------------------------------------------------------- In the book, 'Don't laugh' is in italic type. In the

93. ## Math

Determine which ordered pair is a solution of y = -5x + 10. A. (-15, 5) B. (2, 0)•• C. (-1, -5) D. (3, 25) Find the slope of the line through (-9, 10) and (-2, -5). A. -5/7 B. 7/5 C. 5/7 D. -7/5 If so can someone please describe how to get awnsers I

94. ## Algebra

Write each statement as an inequality. Then give 3 solutions of the inequality. 7 minus 5 is less than x 8 is greater than or equal to u H is greater than 5 times 8 P times 7 is less than or equal to 63

95. ## phyiscs

A train is moving at 17 m/s and has a mass of 2564 kg. A broken down car (loaded with heavy bricks) is stopped on the train track. Upon impact, the train and car get tangled together and travel at a constant velocity of 4 m/s. What is the mass of the

96. ## Algebra

Consider these equation and inequalities 2/3x=1/3x+1/4 2/3x 1\3x+1/4 Evaluate 2/3 x for x= 1/2 Evaluate 1/3x+1/4 for x= 1/2 Evaluate 2/3 x for x= 2 Evaluate 1/3x+1/4 for x=2

97. ## Physics

A stationary 14 kg shell explodes into two pieces. If the 5 kg piece has a velocity of -70 m/s, determine the velocity of the other piece. Do not round your answer until the end! i got 38.89

98. ## Physics

You are flying in an ultra-light aircraft at a speed of 41.4 m/s. An eagle, whose speed is 21.7 m/s, is flying directly toward you. Each of the given speeds is relative to the ground. The eagle emits a shrill cry whose frequency is 3680 Hz. The speed of

99. ## algebra 2

30 , + 3 y 8 , and + 9 y 9 degrees. Write an expression for the degree measure of the fourth angle.

100. ## mathh

A right triangle has a height 8 cm more than twice the length of the base. If the area of the triangle is 96 cm2, what are the dimensions of the triangle.

101. ## math

a rectangle has an area of 4(x+3)square units. if the dimensions are doubled what is the area of the new rectangle terms of x.will the ratio of the area of the original rectangle to the area of the larger rectangle be the same for any positive value of x?

102. ## Chemistry

(My answers) 1. A sample of gas occupies 33 mL at -101 Celsius what volume does the sample occupy at 97 Celsius? (70.578) 2. There is a balloon that contains 2125 L of gas at 55 Celsius and 99 kPa. This balloon rises to an altitude where the pressure is

103. ## math

Suppose a bag contains 3 blue and 2 green marbles. You randomly draw 2 marbles without replacement. If B=drawing a blue marble and G=drawing a green marble, which event does NOT have the same probability as the others? Bag A. GG B. BB C. GB D. BG

104. ## math

You randomly draw marbles from a bag containing both blue and green marbles, without replacing the marbles between draws. If B=drawing a blue marble and G=drawing a green marble, which represents the probability of drawing a blue marble first and a green

105. ## PHYSICS

An object 5cm tall is placed 8cm before a concave and convex lens .if the image form is 10cm from the mirror. (i). Determine the focal length of the mirror (ii). Calculate the magnification if any. Please friend I need solution

106. ## Physics

A object is placed before a converging lens. calculate the image formed if the lens as focal length of 15cm also determine the magnification of the length.

107. ## Pre- Algebra

which is steeper, a line with a slope of 7 or a line with a slope of -10? Can you explain it to me also?

109. ## math

Can someone explain to me how you can find interest rates? thank you!

110. ## geography

why do mountaineers carry oxygen while climbing high mountains?

111. ## Physics

A 10-kg crate is pulled along a horizontal floor by a constant force exerted by a person, Fp = 80N, which acts at a 45◦ angle. The floor is rough and there is a kinetic friction force of 4.1 N acting on the crate as it slides. The crate is pulled for a

112. ## Math

Need some help with setting it up please. Thank you. Joanna wants to buy a car. Her parents loan her 5,000 for 5 years at 5% simple interest. How much will Joanna pay in interest?

113. ## Calculus

For approximately what values of x can sinx be replaced by x - x^3/6, with an error of magnitude no greater than 8 * 10^-3?

114. ## physics

A 1500-kg wooden roller coaster car traveling at 15 m/s approaches the loading station where the under-track brake strips are pneumatically actuated to slow the car to a stop in 10m. What is the work done on the car by the brakes? What is the retarding

115. ## Algebra

What's the the right order from least to greatest for 1/14, 7/9, 4/5, thank you very much. Kim

116. ## Geometry

For a point, give a construction of a line so the portion intercepted by the segments of a given angle are bisected at the point.

117. ## Science

Why does evolution matters today if it takes millions of years for an organism to change and adapt? Also, does it have to do with genetic variation?

118. ## Geometry

In a triangle, prove the perpendicular from the vertex opposite the side that is not less than either of the remaining sides falls within the triangle.

119. ## Algebra

What are the coordinates of the hole in the graph of the function f(x) ? f(x)=x^2−9/x−3

Hello! I don't understand how to solve this physics problem, please help me: A projectile is launched at 15 degrees. The landing height is the same as the launch position. At what other angle can the projectile be launch to achieve the same horizontal

121. ## math

Which characteristic is correct for the function f(x)=−2x3+3x ? neither even nor odd even both even and odd odd

122. ## math

What is (f·g)(x)? f(x)=x^4−9 g(x)=x^3+9

123. ## math

What is (f-g)(x)? f(x)=3x^5+6x^2-5 g(x)=2x^4+7x^2-x+16

124. ## chemistry

list and state the uses of the products obtained from the destructive distillation of coal

125. ## Orbital mechanics

What is the approximate Delta V to take a body from an apogee of 43,000km to 66,000km. Assume a separated mass of 4850 kg.

126. ## Chemistry

A student prepared 200mL of 0.01M solution of calcium phosphate, Can(PO4)2. What is the concentration of calcium in parts per million? Relative atomic masses Can =40, P =31, O =16

127. ## algebra

Given: a-b/c-d = 2 and a-c/b-d= 3 Given that a,b,c and d are real numbers, find the value of a-d/b-c...

128. ## Literature

Which of the following is NOT one of the themes of the play? (Romeo and Juliet) a. Good intentions always yield good results*** b. Tragedy causes everyone involved to look intently at themselves c. True love requires risk

129. ## Algebra 1

Shelly hopped onto her bicycle and pedaled to the park at 14 miles per hour. Then she whizzed back at 20 miles per hour. If the total trip took 3 2/5 hours how far was it to the park?