# Questions Asked onOctober 28, 2015

1. ## chemistry

Calculate Delta G for each reaction using Delta Gf values: answer kJ ...thank you a) H2(g)+I2(s)--->2HI(g) b) MnO2(s)+2CO(g)--->Mn(s)+2CO2(g) c) NH4Cl(s)--->NH3(g)+HCl(g) is this correct? a) H2(g)+I2(s)--->2HI(g) From tables: G HI = +1.3 kJ/mol G H2 = 0 G

2. ## college algebra help******

You intercepted the following message from Boris and Natasha. 25 19 19 30 41 17 15 26 27 41 15 28 18 41 18 29 41 34 22 19 41 27 15 34 22 You do not now the encoding or decoding function but from previous work with Boris and Natasha you know their encoding

3. ## algebra

Monica earned $60 from a bonus plus$8.50 per hour (h) she worked this week. Which of the following expressions best represents Monica's income for the week?

4. ## mechanics

A 3m long balance beam is simply supported with an overhang at each end of a=0.5m. A gymnast weighing 50kg is standing a distance c to the right of support A and a distance b to the left of support B. How does the maximum bending moment in the beam depend

5. ## Calculus

Use differentials to estimate the amount of paint needed to apply a coat of paint 0.02 cm thick to a sphere with diameter 40 meters. (Recall that the volume of a sphere of radius r is V=(4/3)πr^3. Notice that you are given that dr=0.02.)

6. ## precalculus

find an exact value for sin (3pi/8)

7. ## math

1( which number is the solution for m + 90 = 150 A( 50 B( 60 C( 140 D( 240 2(which number is the solution of n/3 = -12 A( -36 B( -4 C( 4 D( 36 3( use mental math to find the solution of 19b = 190 A(10 B(11 C(171 D(280 4(estimate the solution of y + 1.8 =

8. ## Trigonometry application

I need help with this problem. am having trouble solving this. A rocket tracking station has two telescopes A and B placed 1.7 miles apart. The telescopes lock onto a rocket and transmit their angles of elevation to a computer after a rocket launch. What

9. ## MATH help

Find the area of the following shape. You must show all work to receive credit. Figure ABCDEF is shown. A is located at negative 2, 6. B is located at negative 5, 2. C is located at negative 2, negative 3. D

10. ## MATH HELP

Write the equation of the line that passes through the points (3, 6) and (4, 10) using function notation. f(x) = 4x − 6 f(x) = x + 4 y = x + 4 y = 4x − 6

11. ## English and Vocabulary

My Vocab Words: 1. Degenerate 2. Implausible 3. incoherent 4. intercede 5. intricate 6. sanctuary 7. scrutiny 8. sinister 9. suffice 10. vulnerable need help 1-2 Birds feel ___ to attack when they are out in the open where shrubbery is sparse. To attract

For a lottery game, each ticket has a probability of 1 / 3.09 = 0.324 of winning a prize. Every friday you buy 1 lottery game. a) What is the probability you will win on two of your next three games?

32. ## Math

Mark needs to cut a piece of glass to replace a broken window. He has four pieces of glass: 6 feet long, 5 feet long, 3 feet long, and 7 feet long. If the length of the glass he needs to cut is feet long, which piece of glass should he cut to have the

33. ## Math

Which of the following is equal to the expression below?

34. ## math

Hasan has 18 3/4 yards of fabric. It takes 3 1/6 yards to make a pillowcase. Has an plans to make as many pillowcases as he can. How many yards of fabric will be left over?

35. ## geometry

Triangle ABC is a right triangle. If side AC=5 and side BC=6, What is the measure of side AB which is the hypotenus

36. ## Language Arts

Which revision to sentence 4 contains an example of vivid description? Sentence 4: The map was confusing A)The number of colorful crisscrossing paths on the map made Sal's eyes glaze over B)The map looked completely baffling*** C)Even when she turned the

37. ## Social Studies

Who was the Georgia Patriot who helped defeat Thomas Brown, freeing Agusta from Loyalist control on June 5, 1781? A. Elijah Clarke*** B. Nancy Hart C. General Lord Cornwallis D. George Galphin Is this correct?

38. ## Statistics

A certain type of artificial heart has four independent, critical components.Failure of any one of these components is a serious problem that will cause the artificial heart to fail. The 5 year failure rate for each component follows: component 1=.02,

39. ## Math

Graph of f(x)=log_2(x) has been transformed to g(x)=alog_2(x)+k. The transformed image passes through the points (1/4,-9) and (16,-6). Determine a and k. No idea. Thanks!

40. ## science

quartz is a number 7 on the mohs hardness scale. Apatite is a number 5. a student has a mineral sample that scratches apatite, but quartz scratches the sample. What is the minerals most likely hardness 2 10 6 answer 2

41. ## Career

8.) Dale has just come home from an informational interview. He should: (1 point) A.)write the interviewer a thank–you note. B.)compile his notes from the interview. follow up on the research tips the C.)interviewee gave him. D.)do all of these. 9.) A

42. ## Social Studies

Who organized trade in medieval cities and towns? (2 points) guilds• clergy knights journeymen 2. What is a fief? (2 points) a ruler of the Franks a ruler in Charlemagne's empire land given in exchange for loyalty• a Viking warrior 3. Christians and

43. ## algebra 2 A

Unit 5: Quadratic functions and equations. I need help with the Firework display portfolio?? Fireworks Display Portfolio ALGEBRA 2 A: QUADRATIC FUNCTIONS AND EQUATIONS Directions: You are part of a fireworks crew assembling a local fireworks display. There

44. ## Chemistry

Calculate the mass of Fe(OH)3 s) produced by mixing 50.0 mL of 0.153 M KOH (aq) and 25.0 mL of 0.255 M Fe(NO3)3 (aq), and the number of moles of the excess reactant remaining in solution. I got 0.242 g Fe(OH)3 and 3.83 mmol Fe3+ remaining.

45. ## Social Studies

Describe the Greek and Roman contributions to today's world.

I'm helping my little brother with home work. And he has to do something were you complete the sentences. The sentence I'm stuck on the first one. The sentence is: The_____Men______Me his words are: Set | Sent | Ten | Tell | Let | Get | All | Call | Make |

47. ## English

What impact did the Klondike Gold Rush have on Northern Canada? a. The Canadian government made the Yukon a territory and began to develop the region b. The gold rush made people see the Yukon region as a frozen wasteland c. Northern Canada was greatly

48. ## Algebra

2. X - 7 > 10 X > ____ 3. 3x ≤ 21 X ≤ ____ 4.5a - 2 < 18 A

49. ## Algebra

A collection of Halloween candy contain a total of 5 Goodbars and Moundbars.Chew on this,The grams of fat in these candy bars exceed the daily maximum desirable fat intake of 70 grams by 7.1 grams.How many bars of each kind of candy are contained in the

50. ## phsyics

The block shown in figure below lies on a smooth plane tilted at an angle è = 21.5° to the horizontal. Determine the acceleration of the block as it slides down the plane. Ignore friction.

51. ## Algebra

At Phillips college 40% of the students are male. If there are 1200 male students, then how many total students are there?

52. ## Math

two boats leave the same port at the same time. one travels at a speed of 29 mph in the direction N 50 degrees E and the other travels at a speed of 35 mph in the direction S 70 degrees E. how far apart are the two boats after an hour.

53. ## Language Arts

2. In which of the following sentences does the boldfaced word contain the Latin root -lum-? A.The bear tucked into his cave for a long winter's (slumber). B.Hannah's face was (luminous) with the soft morning light. *** C.The (plumber) peered into the dark

54. ## U.S. History

1) How did replacing Roosevelt's secretary of the interior cause a dispute between Taft and the progressives? A: Replacing Roosevelt's secretary of the interior, James R. Garfield, an agressive conservationist, with Richard A. Ballinger, a more

55. ## Chemistry

Two aqueous solutions, both at 25.00°C (100.0 mL of 0.223 M Pb(NO3)2 and 100.0 mL of 0.144 M Na2S), are mixed together in a calorimeter with a Ccalorimeter of 11.8 J/°C. The temperature of the solution increases by 2.40°C. Assuming that the density and

56. ## Electrical theory

a series RL circuit contains two resistors and two inductors. the resistors are 33 ohms and 47 ohms. inductors have inductive reactances of 60 ohms and 30 ohms. the applied voltage is 120 volts. what is the voltage drop on the 33 ohm resistor?

57. ## Math

Write the solution to the inequality in set-builder notation. 9t-4>32 a. {t|t>4} b. {t|t>6} c. {t|t>28} d. {t|t>36}

58. ## career

9.) A job meter is a way for: (1 point) companies to compare people who apply for jobs. A.)Write the interview a thank-you note. B.)employers to supervise workers when managers cannot see them. C.)you to evaluate your continued interest in a potential

59. ## math

if one car drives at 83 mph and the other drives at 83 mph how long until their 83 miles apart. i did 83x + 48x = 83 131x = 83/131 divided by 1 x = 83/131 multiply by 60/1 = 131 multiplied by 60 = 2.2 i got 2.2 hours

60. ## geometry

The vertices of a triangle are P(–4, 1), Q(–2, –8), and R(8, –1). Name the vertices of the image reflected across the y-axis. 1.P'(–4, –1), Q'(–2, 8), R' (8, 1) 2.P'(4, –1), Q'(2, 8), R'(–8, 1) 3.P'(4, 1), Q'(2, 8), R'(–8, –1)

61. ## PHYSICS

A ball is displaced from O to A along a straight line with a distance of 5.0m,it will later return to O along the same path.what is the resultant displacement and the total distance by the ball?

62. ## math

Simplify each expression. Your answer should still be in exponential form. Make sure that you combine all numbers with the same base. y^a/y^b

63. ## aarays and expanded algorithm

How to get the answer to this problem 37 ×45

64. ## San Jose city college

Suppose a plane flying west a distance of 600 miles take 6 hours .The return trip take 5 hour . Find the airspeed of the plane and the effect wind resistance has on the plane?

65. ## Parametric derivatie help plz

Find the equation of the line tangent to the parametric curve define by x=cos2t and y=sin3t and t=pi/12 plz i don't no where to start from show working

66. ## math

which number will have the same result, when rounded to the nearest ten or hundred? 97 118 and 5 179 5,091

67. ## Math

Cerulean City is 20 miles from home. We have gone 15 miles. What fraction of the distance have we gone? We have gone ? of the distance. (My thinking: I'm not sure, but I have a thought that you are supposed to divide 20 divided by 5.)

asked by Grace (The Puzzled Penguin)
68. ## SCIENCE\PHYSICS

If a ball is displaced from O to A along a straight line with a distance of 5.0m,what is the resultant displacement and the total distance by the ball?

y^a/y^b

70. ## Social Studies

Which one of George Washington's generals played a key role in leading Patriot soldiers to victory in Augusta? A. Robert Mackay B. Thomas Brown C. James Grierson D. Nathanael Greene*** Is this correct?

Simplify each expression. Your answer should still be in exponential form. Make sure that you combine all numbers with the same base. y^a/y^b

72. ## science

Can the pitch of music affect concentration

73. ## Math

At noon, ship A is 10 nautical miles due west of ship B. Ship A is sailing west at 25 knots and ship B is sailing north at 21 knots. How fast (in knots) is the distance between the ships changing at 5 PM?

74. ## Math

Landri slides a calculator across The 0.91m tall lab table but Sarah misses the catch. The calculator slides off the table and lands on their target on the floor which they had placed 1.03m from the base of the table. How fast was the calculator moving

75. ## Math

Are these the solutions to sin2x sinx = cosx? pi/2, 3pi/2, 3pi/4, pi/4, 7pi/4, 5pi/4

76. ## math

determine which two values the following expression is between? A.10.24 and 10.89 B.9.61 and 10.24 C.9 and 9.61 D.10.89 and 11.56 plz i really need someones help!!

77. ## chemistry

If the specific heat of water is 4.180 J/(g/°C), what mass of water can be heated from 5.0 °C to 80°C by 27.0 kJ of heat?

78. ## Calculus

Let f(x)=x^4. If a=1 and dx=Δx=1/2, what are Δy and dy?

79. ## Calculus - Differentiate

Differentiate y= (sin(x)) / (x^4) y' = ?

80. ## Science

which of the following could not have happened as a pot of water boiled on the stove? A. Particle vibration increased. B. Particle vibration decreased. C. Particles moved father apart. D. Particles moved randomly. My answer is C.

81. ## Science

What would happen if gametes were not haploid? a. The offspring would have half the number of chromosomes it is supposed to have. b. The offspring would have double the number of chromosomes it is supposed to have. c. The offspring would be genetically

82. ## math

What is the value of x? -5x=-35 x=

83. ## Math

Just learned log rules and I don't get it. How do you solve log5x^2 + 4log5x = 12 ? Thanks in advance.

84. ## Chemistry

How do you write the complete ionic equation and net ionic equation for ammonium chloride and copper (II) sulfate in water?

85. ## Science

which of the following features make earth and venus similar to each other ? (1point ) A . their size and mass b. their rates of rotation c. their atmospheres d. their directions of rotation****

86. ## math help azap

What is the value of x? 6x-2(x+4)=12 x=

87. ## Chemistry

Arrange the following 0.100 mol L-1 solutions in order of increasing pH: CH3COOH, NaCl, NaCH3Coo

88. ## physics

a 450 cm^3 of aluminum (D = 2.7 g/cm^3) is lowered carefully into a completely full beaker of water? what is the weight of the water, in newtons, that spills out of the beaker?

89. ## MATH help

What is the value of x? 8x-9=3x+16 x=

90. ## Social Studies

Which event marked the end of the Revolutionary War? A. the surrender of Thomas Brown B. the surrender of British General Lord Cornwallis*** C. the American loss at Camden, South Carolina D. when the Continentals took George Galphin's outpost at Silver

91. ## U.S. History (Ms. Sue)

Please, check my answers! 1) How did replacing Roosevelt's secretary of the interior cause a dispute between Taft and the progressives? A: Replacing Roosevelt's secretary of the interior, James R. Garfield, an agressive conservationist, with Richard A.

92. ## math

5 part question. 1st part is Mr. Black has 3 baskets of apples in his store. in each basket are 9 red, 6 granny, 5 empire, 3 Fuji and 1 honeycrisp. What is the total number of each kind in the basket. We have 72 as the answer.

93. ## math

Rachel deposited $6,004 in a savings account with simple interest. Three months later, she had earned$210.14 in interest. What was the interest rate?

94. ## Behavioral Statistics Help!

The majority of the data is normally distributed if there are enough subjects. For instance, if you collected test scores of only a few honor students, the data will most likely not be normally distributed because you would have a sample that did not

95. ## Social Studies

Who won the battle of the Atlanta Campaign

96. ## physic

a mass of 3kg rest on horizontal plane. the plane gradually inclined until at a angel 0=20 degrees with the horizontal, the mass just begins to slide. what is the coefficent of static friction between the block and the surface?

97. ## physics

A 214-kg crate rests on a surface that is inclined above the horizontal at an angle of 19.4°. A horizontal force (magnitude = 541 N and parallel to the ground, not the incline) is required to start the crate moving down the incline. What is the

98. ## math

a rectangular tank,50cm long and 30cm wide,contains water upto a height of 9 cm.a box of dimensions 25cm,25cm,20cm is not placed in the tank so that its square faces rest on the bottom of the tank. the quantity of the water that must be poured into the

100. ## Math

First vehicle is traveling at 50 miles per hour. Second car is traveling at 65. They ate 15 feet apart when the second cars slammes on break. Will they have a empack and at what speed.

101. ## health economy

Suppose that you are to specify a short-run production function for counseling services.Which inputs might you include in the production function?Which would be varaiable inputs and which would be fixed inputs?

102. ## math

what is 5.696 in scientific notation thanks!

103. ## Algebra

Whitch number is a perfect cube? 7 25 66*** 27

104. ## math

Each child has 3 pencils if there are 225 children how many pencils are there in total

105. ## Jose Escandon

How to write in Expanded algorithm of 4296 × 7 =

106. ## math

Mary purchased 4 blouses, 2 jackets, and 3 skirts. How many different outfits using a blouse, a jacket, and a skirt are possible?

107. ## Algebra 2

Can someone help me solve this inequality please? So I'm supposed to write the answer in interval notation and then graph it. The problem is the answer I get is negative and I thought that absolutes cannot be negative? Am I wrong? Here is my work so far:

108. ## Statistics HELP!!

Identify an example of a population that you would expect to be normally distributed. Explain why, according to you, it would be normally distributed. Then, describe a subset of the population you identified and explain why it would not be normally

109. ## math logarithm

16.32*0.00635/0.0482

110. ## Math

Question: use the first principles of a derivative to find (dy÷dx) f(x)= -x^4 +4x^4 So we need to use the formula f(x+h)- f(x) ÷ h So far I have x^4 - h^4 -4h^3x -6h^2x^2 - 4h^3-x^4 + 4x^2 +8hx+ 4h^2÷ h is this correct and what do I do after

174. ## Algerbra

The difference between two numbers is 77. Five times the smaller is equal to 7 more than the larger. What are the numbers?

175. ## math

What is the value of x? 12-x=7 x=

176. ## PHYSICS

A 81.8-kg skier rides a 3300-m-long lift to the top of a mountain. The lift makes an angle of 12.9 ° with the horizontal. What is the change in the skier's gravitational potential energy?

What is the value of x? -5x=-35 x=

178. ## Astronomy

Why is the greenhouse effect on Earth not as drastic as on Venus? -There is no carbon dioxide in Earth’s atmosphere. -The oceans dissolved much of the carbon dioxide. -Earth is smaller than Venus so it can’t hold the gases in the atmosphere. -There is

179. ## Geography and History (Ms. Sue)

1) How was the Yosemite Valley formed? A: ? 2) How did the establishment of the national park system help to conserve natural resources? A: The establishment of the national park system provided a safe haven for wildlife and put millions of acres of land

180. ## precalculus

given that x is in quadrant 1 and that sin x = 2/3, find exact values for: is this correct? 1) sec (30° + x) = -3/√15 2) cos (1/2 x) = √(-√5)/2

given that x is in quadrant 1 and that sin x = 2/3, find exact the value for: sin (3pi/8) = - √(1-√2) / (2√2) is my answer correct?

y= 3x+ 9

183. ## MATH help

What is the value of x? x/4-5=6 x=

184. ## Resturant/Diner

Make up a name for a restaurant or a diner. Don't ask. Its for an English assignment! :):-)

185. ## Grammar

Which choice is a sentence fragment? Question options: Turning on the light, he suddenly got a shock. In the first year, Julio won three blue ribbons. Maggie's photos displayed in the lobby. We swept the floor first and then washed dishes.

186. ## math

what is 10 5/18 - 8 5/6 A. 2 5/9 B. 2 13/18 C.1 4/9 d. 1 11/18 I think It is B?

201. ## Math

Are my statements correct? U={1,2,3,4,5,6,7,8}, A={1,3,5,7}, and B={4,5,6} My statements: A⊆B B⊆U

202. ## Math

How do I get (sinx cosy + cosx siny) (cosx cosy + sinx siny) in the form of 1/2(sin2x + sin2y)?

203. ## math

The value of a car depreciate each year by 5% of its value at the beginning of that year . lf its value when new on first January 2000 was 10250, what was its value in January 2009, when it was 9 years old? give your answer, correct to three significant

204. ## Science

Felipe made a toy boat out of clay, but it kept sinking in water. He changed the boat's design by making it slightly wider than before. Why did Felipe's newly designed boat float on water? A. He decreased the density by increasing the volume. B. He

205. ## Math

Find the value of cos2x. cosx = -2/3 pi/2 < x < pi Is this -1/9?

206. ## math

the cost of 5 digital cameras and 3 similar video cameras is 3213.00. each video camera costs 4 times as much as each digital camera. john buys a digital camera and a video camera. how much does he pay?

207. ## Career

4.)Your public library can provide you with ? A.)books & other printed information about careers B.)Access to internet sites & other elctronic materials about careers C.)Staff members to help you find materials D.)All of these I Put D Am im correct?!

208. ## English

Homework Help: English Posted by rfvv on Tuesday, October 27, 2015 at 9:18am. 1. Tomorrow, we're going to go to hike. 2. Tomorrow, we're going to go hiking. =================== Which one is grammatical? Are both grammatical? Then, what is the differencein

209. ## Math

Sixty girls were scheduled to paint flower pots for the school's annual fair. When 3 of the girls became sick the rest of the girls had to paint 8 more flower pots each how many flower pots did they have to paint altogether ?

Danika has a board that is 4 yards long. How much needs to be sawn off to make the board 2 feet 8 inches long? A) 1ft 4in B)9ft 4in C)8ft 6in D)2ft 6in

219. ## Maths Lit , Business Studies , Geography , Tourism

I'm in grade 12 I just want to know which courses will I take in Varsity

220. ## Biology

What are good ways to remember what the Cytoplasm, Golgi apparatus, vesicles, etc do? I have a hard time remembering all the cell organelles

221. ## Social Studies | Check my work

Multiple Choice: 1.) What document signed in 1689, later inspired the creation of the American Bill of Rights? a.) the Magna Carta b.) the English Bill of Rights c.) the Pennsylvania Constitution d.) the Navigation Acts. 2.) How did England view its North

222. ## computer science

5. Calculation of tax in Ruritania In a fictitious country of Ruritania, which is in a fictitious continent called Afrisia, the tax system is highly simplified. They have system where all taxes are converted to one single value and then the tax is applied

223. ## Pertunia msimango

What kind of career should ifollow if i study,hitory.geography,lifesience,life orientation and english

224. ## MATH PRE ALGEBRA

Estimate 14.16÷6.82

225. ## English

How does the interaction between waverly develop over the course of the passage "rules of the game."

226. ## Math

Dylan plants grass in a rectangle space behind the clump house.nthe area of the space was 70 ft. If the length of the space is 14 ft. What's the width of the space

227. ## Chemistry

Calculating theoretical yield and percentage yield from preparation of 4-acetoxybenzoic acid from the interaction of 4-hydroxybenzoic acid and sulphuric acid

228. ## Social Studies

Wat r 10 facts u didn't know about the Atlanta Campaign

229. ## Physics

When jumping straight down, you can be seriously injured if you land stiff-legged. One way to avoid injury is to bend your knees upon landing to reduce the force of the impact. A 69.3-kg man just before contact with the ground has a speed of 6.94 m/s. (a)

230. ## math

Simplify each expression. Your answer should still be in exponential form. Make sure that you combine all numbers with the same base. \frac{r^{5}s^{3}}{rs^{2}}

231. ## Physics

If an Indian was to drive a 875kg buffalo over the edge of a 33 meter cliff with a horizontal velocity of 8.75 m/s, how far from the base of the cliff would the buffalo land?