# Questions Asked onFebruary 25, 2016

1. ## Stastistics

The effect of a drug to change in heart beat by 5 beats per minute over 48 hours in either direction. A two sided test conducted at the 0,05 level of significance will be used. What sample size is needed for this study. The mean for the population u = 75

2. ## Social Studies

Describe with appropriate examples the methods Hitler used in order to achieve his foreign policy aims prior to 1938.

3. ## math

in the rectangle to the left, what is the length of each side?

4. ## Math

In the rectangle to the left,if the perimeter was 90 inches,what would the value of x be?

6. ## particles of dynamics

A particle is released on the smooth inside wall of cylinder tank at A with velocity v0 which makes an angle β with horizontal tangent. The radius of the tank is r. Find the maximum height above point A reached by the particle, the magnitude of the

7. ## Science

The ratio of Secondary Turns to Primary In a Transformer is 3 if the EMF In the Secondary Coil Is 600Volts Find The EMF Of Primary

8. ## math

Write and solve a real-world problem that you can solve by using objects or drawing a picture.

59. ## mathematics

Between which two successive intergers do the following irrational numbers lie? A.√167 B.^3√80 which irrational numbera lies between 5and6?

60. ## history,geography,life science,maths literacy

provide three possible financial sources for assistance that you can access for funding your studies and indicate the financial obligations you will have if you choose each of these options

asked by mzuphelele zikizela
61. ## 10 drivers ed questions?

please help!! 1. You can never rely completely on your rearview mirrors when changing lanes because (1 point) they may not be properly adjusted. they are too far apart. they are too small. they have blind-spot areas. 2. While approaching your parked car,

62. ## algebra

I need help on multiplying and dividing functions. I've seen videos and read and read examples but I still don't get it. I did the last problem which looked like an example I had read but I still don't know if I did it right: f(x)=2x+1 g(x)=3X+2 F(3)/g(2)=

63. ## Pre-Calculus

A person flying a kite holds the string 4 feet above ground level. The string of the kite is taut and makes an angle of 60° with the horizontal (see the figure). Approximate the height of the kite above level ground if 500 feet of string is payed out.

64. ## math

Please check my answers! Simplify the product. 7x(x+4) A. 7x^2+4 B. 7x^2+28x

65. ## Physics

A 4.70 nC point charge is placed at the centre of a hollow metal sphere that has an inner radius 4.70 cm and an outer radius 17.6 cm. The metal sphere itself is charged to 8.40 nC. a)What is the magnitude of the electric field at a distance of 1.60 cm from

66. ## math

Triangle ABC , BC = CD and (angle ABC - angle bac ) =30, the measure of angle and is?

67. ## Pre-Calculus

A drawbridge is l = 110 feet long when stretched across a river. As shown in the figure below, the two sections of the bridge can be rotated upward through an angle of α = 34°. a)If the water level is 35 feet below the closed bridge, find the distance d

68. ## life science,mathematics,agricultural,tourism

which study fields I should take?

69. ## Accounting

A music store sells a CD with a wholesale price of $6 for$10.50 and one with a wholesale price of $14.00 for$20.50. If the markup policy for the store is assumed to be linear, find a function r = m(w) that expresses the retail price r as a function of

70. ## statistics

if a die is tossed four times what is the probability of getting one six

71. ## statistics

if a die is tossed four times what is the probability of getting three odd numbers

72. ## statistics

if a die is tossed four times what is the probability of getting anything but a five on every toss

73. ## statistics

if a die is tossed four times what is the probability of getting at least one six

74. ## history

which mans death became a rallying point for abolitionists? A. John Brown B. Stephan A. Douglas C. Dred Scott D. Abraham Lincoln i think d

86. ## Math

A road runs along the south boundary of the SW 1/4 of the SW 1/4 of a section. If the road contains two acres in the area, the width of the road would be: The answer is 66 feet, but I can't calculate it.

87. ## Math

The weights of four different insects are given below. Insect A: 2.19*10^-4 g; Insect B: 5.00*10^-3 g; Insect C: 9.0*10^-2 g; Insect D: 1.50*10^-3 g What is the order of these insects from heaviest to lightest?

88. ## math

A deck of cards are shuffled 20 times. You are dealt 12 cards at random: what is the probability that all 12 cards are black? or what is the probability that all 12 cards are kings, queens or jacks

89. ## History

7.)Who was the Chief Justice of the supreme Court during Andrew Jackson's presidency? A.)John Calhoun B.)Henry Clay C.)John Marshall*** D.)James Madison C?

90. ## Science

Johnny left a glass of milk on his bedside table for week, and it spoiled. At the end of the weel, the glass contained a yellow liquid with lumpy white chunks, and there was a terrible odor. What can be concluded? A. The milk has undergone a physical

91. ## Pre Cal

x 2 + y 2 = 0

92. ## Language Arts

What is the meaning of the poem, Grandma Ling?

93. ## History

8.)How did the case of McCulloch vs. Maryland affect economic practices in the United States? A.)It gave the states the right to tax federal banks B.)It gave the people the right to create private banks C.)It gave congress the right to establish a national

94. ## Chemistry

If 0.30 mol N2H4 is reacted with 0.50 mol N2O4, how many moles of N2 can be formed?

95. ## SS

How did the Radical Republican Reconstruction plan affect life in South Carolina? a) the law did not give African Americans equal protection b) the state regained the right to decide local matters c) white males who participated in the war were permitted

98. ## MATH PLEASE

Miday Quong is buying bagels for her coworkers. She buys a dozen bagels priced at $5.49 a dozen. The bakery's cost for making the bagels is$2.25 per dozen. What is the markup rate based on selling price on a dozen bagels? 17.3 41.0 24.4 59.0

99. ## Science

What is the reproduction rate of the bacteria species Vibrio Cholerae?

100. ## science

Two forces whose resultants is 100N are perpendicular to each other. If one of them makes an angle of 60 degree with the horinzontal. Calculate its magnitude

101. ## History

9.)How did the increase of textile mills and factories in the North affect the population in the South during the period from 1820 to 1850? A.)As more Americans moved to the North to find jobs, the population in the Southern states began to decrease.***

102. ## History

10.)How did Felix Varela's experience contribute to American society? A.)He opposed slavery in Cuba and the U.S. and also aided Irish immigrants.*** B.)He spoke out against racism and helped other European immigrants find work in Florida. C.)Felix Varela

103. ## History

13.)Which answer explains how people in the Northeast felt about the use of natural resources in the south? A.)They were concerned that natural resources were being wasted. B.)They thought the Southerners were harming the environment.*** C.)They depended

104. ## Math (Pre-Cal)

The number of Sasquatch living in northern Ecotopia t years after 2016 is given by the formula s(t)=3(1.12)^t . Determine how long it will take for the Sasquatch population to double. Do this algebraically?

105. ## Science

How many valence electrons does an atom of rubidium have?

106. ## Physics Grade12

two balls are juggled so that each ball is in the air for 1.800s, and the second ball is thrown up at the instant the first starts down. Find the height above the throwing hand where the two balls pass eachother, assuming gEarth=9.800m/s^2 I started with

107. ## Periodic table question

Hi! So I forgot which is which on the periodic table. Are periods the rows and groups are the columns?

108. ## Maths

In a right angled triangle, two of the angles are in the ratio 6:13. Find the 3rd angle

109. ## Math

The cost-of-living index increased from 100 to 120. What effect does this have on the purchasing power of the dollar?

110. ## Chemistry 101

If gold sells today for 1625 per ounce, and a large mining truck hauls 400 tons of gold ore, what is the value of the gold in each truck if each ton of gold ore contains 1.0 ounces of gold? Use dimensional analysis.

111. ## Math

If m< 1=53 , what is m

112. ## History

6.)Which answer best describes how Maryland responded to the national bank created when the U.S. government tried to borrow money after the War of 1812? A.)Maryland passed a law that made the national bank pay a large tax to the state. B.)Maryland repealed

113. ## Science

Which of the following would likely be part of an ionic bond? Choose all that apply (2 points) A. K+1 B. Cl2 C. F-1 D. Ne

114. ## Statistics

The mean grade in this class last semester was 78.3, and the variance was 49 . The distribution of grades was unimodal and symmetrical. Using this information determine the probability that “Joe”, a random student you know nothing about, other than the

115. ## pre-calculus

Find all the vertical and horizontal asymptotes for (x^2+4x+3)/(x^2-1) All I can figure out is that if the degree of the denominator is bigger than the numerator, then y=0. But I don't know if that's right! Please help. Thank you!

166. ## Math

On a roadmap, the distance between two cities is 8.6 centimeters. What is the actual distance if the scale on the map is 2 centimeters to 50 miles? A - 25 miles B - 215 miles C - 430 miles D - 860 miles

167. ## MATH

EQUATION: [7(8-4)+16]-[15-(7-8)] MY ANSWER: [7(8-4)+16]-[15-(7-8)] [7(4)+16]-[15-(7-8)] [28+16]-[15-(7-8)] 44-[15-(-1)] 44-16 28

168. ## physics

By accident, a large plate is dropped and breaks into three pieces. The pieces fly apart parallel to the floor, with v1 = 3.05 m/s and v2 = 1.95 m/s. As the plate falls, its momentum has only a vertical component, and no component parallel to the floor.

169. ## Algebra

How many fluid ounces are in a cup?

170. ## Check math please!

Anna mixes the letters S, E, L, E, C, T, E, and D thoroughly. Without looking, Mary draws one letter. Expressed as a fraction, decimal, and percentage, what is the probability that E will NOT be the letter Mary selects? A. 3/8, 0.375, 37.5% B. 8/5, 1.6,

171. ## history

What is the importance of Townshend act and Boston Massacre?

172. ## English

The systems analyst hesitated to talk to strangers about his highly specialized work, fearing it was too ___ for people uninitiated in the computer field to understand. What goes in the blank? a) intriguing b) derivative c) frivolous d) esoteric e)

173. ## English (Check Answers)

8. Why does Gwendolen always travel with her diary? She believes people should always have something sensational to read on the train. She is hoping to write a three-volume novel based on her life. She wants to be ready if she has to prove an event took

asked by Breanna L.
174. ## MATH

EQUATION: [-4-2(-1/2)] / 1/4 MY ANSWER: [-4-2(-1/2)] / 1/4 [-4+1] / 1/4 -3 / 1/4 -3/1 / 1/4 -3/1 x 4/1 -1/1 = -12

175. ## Language Arts-Poetry

The Tide Rises, the Tide Falls by Henry Wadsworth Longfellow The tide rises, the tide falls, The twilight darkens, the curlew calls; Along the sea-sands damp and brown The traveller hastens toward the town, And the tide rises, the tide falls. Darkness

176. ## Chemistry

Why is methanol a good solvent to recrystallize biphenyl?

177. ## World History

Why was the Ems telegram of particular importance? (a) It started the Austro-Prussian War. (b) It ended the Austro-Prussian War. (c) It started the Franco-Prussian War.**************** (d) It ended the Franco-Prussian War.

178. ## Chemistry

A 4.30 g nugget of pure gold absorbed 298 J of heat. The initial temperature was 22.0°C. What was the final temperature? °C

Estimate. 1.) A 15% tip on a $37 bill 2.) a 19% tip on a$53 bill 3.) a 17% tip on a $23 bill asked by Alexis 180. ## World History Why did Garibaldi declare himself dictator of the Kingdom of the Two Sicilies? a. He wanted to rule the southern kingdom of Italy. b. He wanted to keep a promise he made to Mazzini. c. He wanted to rid Italy of the Bourbon monarch. ******** d. He wanted to asked by Jessie 181. ## Chemistry-nudge the A 4.30 g nugget of pure gold absorbed 298 J of heat. The initial temperature was 22.0°C. What was the final temperature? °C asked by Karla 182. ## World History Which of the following leaders would be considered the most anti-revolutionary? (5 points) Mazzini Cavour *********** Garibaldi Bismarck asked by Jessie 183. ## World History (MC)Why was Otto von Bismarck nicknamed the "Blood and Iron Chancellor"? He suffered from an iron deficiency disease. He received a disabling wound in battle. He put political enemies into prison. He preferred to use armed force.********* asked by Jessie 184. ## World History (LC)Who took a diplomatic approach towards Italian unification? A. Cavour****** B. Mazzini C. von Metternich D. Garibaldi asked by Jessie 185. ## science help Which of the following is typically associated with a reduction in photosynthesizing plants in a water supply? An increase in dissolved oxygen A decrease in dissolved oxygen An increase in phosphates A decrease in phosphates is it d asked by Oscar 186. ## World History LC)What was the outcome of the Seven Weeks' War? Austria won and reasserted herself as leader of Germany. Prussia won and reasserted herself as leader of Germany.******* France won and reasserted herself as leader of Germany. No one won. It was a asked by Jessie 187. ## Mathematics x^2(y) = y^2 + 2x What is dy/dx and the coordinates of the stationary points asked by James 188. ## Stats please help if a die is tossed four times what is the probability of getting at least one six asked by Nelly 189. ## Stats please help if a die is tossed four times what is the probability of getting anything but a five on every toss asked by Nelly 190. ## Stats please help if a die is tossed four times what is the probability of getting three odd numbers asked by Nelly 191. ## Stats please help if a die is tossed four times what is the probability of getting one six asked by Nelly 192. ## Math A pool is 19 m long, 12m wide, and 2.7 m in depth, how many cubic meters of water will it hold ? Also how many kilometers will it hold asked by Anonymous 193. ## English The systems analyst hesitated to talk to strangers about his highly specialized work, fearing it was too ___ for people uninitiated in the computer field to understand. What goes in the blank? a) intriguing b) derivative c) frivolous d) esoteric e) asked by Jina 194. ## math create a tree diagram to show all possible arrangements of the word "MATH" how many outcomes exist? asked by umnia 195. ## Algebra A Find all pairs of real numbers (x,y) such that x + y = 6 and x^2 + y^2 = 28. If you find more than one pair, then list your pairs in order by increasing x value, separated by commas. For example, to enter the solutions (2,4) and (-3,9), you would enter asked by Soccer beast 196. ## Algebra Find one pair of real numbers, (x,y), such that x + y = 6 and x^3 + y^3 = 144. asked by Help me 197. ## Math Wanda wants to have a test average of 90 her four science tests. On the first three tests, she got scores of 84, 96, and 85. What does she need on her last test to reach her goal? asked by Sidney 198. ## MATH EQUATION: -7-3[-80/|12-10|] MY ANSWER: -7-3[-80/|12-10|] -7-3[-80/|-8|] -7-3[80/8] -7-3[-10] -7+30 23 I use a lot of steps so I can keep track of what I am doing. It helps me be more organized and focused. Hope it doesn't make too much trouble for you. :) asked by Shae 199. ## Math Eighty senators voted yes on a bill to allow unintended pets to enter supermarkets and shop for their own food. The bill passed by a ratio of 7:3. How many total people voted for or against the bill? asked by Anonymous 200. ## Math Suppose a and x satisfy x^2 + (a-1/a)x - 1 = 0. Solve for x in terms of a. asked by I like turtlez 201. ## Math The area of a rectangle is 247 cm^2. The width and length are both whole numbers greater than 1. What are the dimensions of the rectangle? asked by Anonymous 202. ## English How to write an informative essay and please no links. asked by Anonymous 203. ## English Through her work at the center for the family in transition, Wallerstein has come to see divorce not as a single circumscribed event but as ___ of changing family relationships as a process that begins during the failing marriage and extends over many asked by Jina 204. ## STATISTIC A two-tailed test is conducted at the 0.10 significance level. What is the P-value required to reject the null hypothesis? A. Greater than or equal to .010 B. Greater than or equal to 0.05 C. Less than or equal to 0.10 D. Less than or equal to 0.05 MY asked by Vedrana 205. ## Help Math The sample space for a roll of two number cubes is shown in the table. (1,1)|(1,2)|(1,3)|(1,4)|(1,5),(1,6) (2,1)|(2,2)|(2,3)|(2,4)|(2,5)|(2,6) (3,1)|(3,2)|(3,3)|(3,4)|(3,5)|(3,6) (4,1)|(4,2)|(4,3)|(4,4)|(4,5)|(4,6) (5,1)|(5,2)|(5,3)|(5,4)|(5,5)|(5,6) asked by Sandy 206. ## MATH EQUATION: (NOTE: THIS IS A FRACTION) 5-(-2^3)(2)/6xsqrt9 -9x2 MY ANSWER: = 5-(-8)(2)/6x3-9x2 = 5+8(2)/18-9x2 = 5+16/18-18 = 21/0 = undefined asked by Shae 207. ## Math The municipality of Waterloo needs$915,000 from property tax to meet its budget. The total value of assessed property in Waterloo is $14,000,000. What is the tax rate per dollar? (Round your answer to the nearest thousandth.) A.$.07 B. $.065 C.$.071 My

If 3 cards are drawn with replacement from a shuffled deck, what is the probability that all 3 will be hearts?

209. ## Language Arts

What is the pattern of stressed and unstressed syllables and how many metric feet are their in the following line? "Under a spreading chestnut tree" My answer is that the pattern of stressed and unstressed syllables is unstressed, stressed and there are 4

If 3 cards are drawn with replacement from a shuffled deck, what is the probability that none of the 3 will be hearts?

If 3 cards are drawn with replacement from a shuffled deck, what is the probability that at least one of them will be a heart

212. ## MATH

what is a good way to show fractions w/ long equations? Example: 93 + (-3 x 9)/22+1(-4 +5) (note: this is a random example)

213. ## Are all answers right?

The sample space for a roll of two number cubes is shown in the table. (1,1)|(1,2)|(1,3)|(1,4)|(1,5),(1,6) (2,1)|(2,2)|(2,3)|(2,4)|(2,5)|(2,6) (3,1)|(3,2)|(3,3)|(3,4)|(3,5)|(3,6) (4,1)|(4,2)|(4,3)|(4,4)|(4,5)|(4,6) (5,1)|(5,2)|(5,3)|(5,4)|(5,5)|(5,6)

214. ## Math

Suppose b= 2a-16 and b= a+2. What is the value of a?

215. ## math

A bond quote of 82.25 in dollars is equal to A. $8.25. B.$82.25. C. $822.50. D.$8,025.50.

225. ## One Math

The sample space for a roll of two number cubes is shown in the table. (1,1)|(1,2)|(1,3)|(1,4)|(1,5),(1,6) (2,1)|(2,2)|(2,3)|(2,4)|(2,5)|(2,6) (3,1)|(3,2)|(3,3)|(3,4)|(3,5)|(3,6) (4,1)|(4,2)|(4,3)|(4,4)|(4,5)|(4,6) (5,1)|(5,2)|(5,3)|(5,4)|(5,5)|(5,6)

226. ## Math

If two triangles are congruent, then their areas are equal ( write its negation in converse or contrapositive & In symbolic form ) Logic Chapter

227. ## Physics

A child is on a swing whose 4.0 m long chains make a maximum angle of 30 deg with the vertical. What is the child's maximum speed? I've found problems relating to this but include mass or delta(x) in how far from stationary. This problem doesnt include

228. ## Math

What if I want a garden with 88 square feet and the length measures 11 feet. Is the equation for this 11wx8=88?

229. ## math

Stocks are always quoted in A. quarter lots. B. quarters of a dollar. C. decimals. D. percents. B?

230. ## physics

The lead female character in the movie Diamonds Are Forever is standing at the edge of an offshore oil rig. As she fires a gun, she is driven back over the edge and into the sea. Suppose the mass of a bullet is 0.011 kg, and its velocity is +731 m/s. Her

231. ## Math that needs an answer in the next 5-10 min!!!

Triangle ABC is similar to triangle DEF. Side AB is , and side DE is 6. The scale factor of ABC:DEF is 9. A) TRUE B) FALSE I think its A but I'm not entirely sure... PLZ HELP ASAP!!

Assume an office has two telephones (A and B) with separate lines and different telephone numbers. The probability that telephone A rings when the office is closed is .30. The probability that telephone B rings when the office is closed is .20. What is the

233. ## Math

Does (8,5) make y=x+6 true?

234. ## Math

Stocks are always quoted in A. quarter lots. B. quarters of a dollar. C. decimals. D. percents. c?

Assume an office has two telephones (A and B) with separate lines and different telephone numbers. The probability that telephone A rings when the office is closed is .30. The probability that telephone B rings when the office is closed is .20 What is the

Assume an office has two telephones (A and B) with separate lines and different telephone numbers. The probability that telephone A rings when the office is closed is .30. The probability that telephone B rings when the office is closed is .20. What is the

Assume an office has two telephones (A and B) with separate lines and different telephone numbers. The probability that telephone A rings when the office is closed is .30. The probability that telephone B rings when the office is closed is .20 What is the

238. ## Math

Cecily made a poster in the shape of a quadrilateral. All the angles and sides of the poster are congruent. Which of the following names the shape of Cecily's poster A. Square** B. Rectangle C. Pentagon D. Trapezoid

239. ## Mathematics

How do you find the coordinates of the stationary points to this implicit differentiation equation? x^2y = y^2 + 2x 2xy + x^2yy' = 2yy' + 2 y'(x^2y-2y) = 2-2xy y' = 2(1-xy) ------------- y(x^2-2)

240. ## Math

As part of a geometry assignment, John drew an equilateral triangle. Which of the following dimensions could represent the side lengths of the triangle John drew? A. 10, 11, 12 B. 13, 15, 17 C. 16, 18, 21 D. 17, 17, 17 **

241. ## Science

Physical properties of silver carbonate.

asked by Tom Murtha
242. ## Math

A tall building casts a shadow of 20 meters. John, who is 1.5 meters tall, casts a shadow of 10 cm. how tall is the building?

243. ## social studies

improved technology in the production of small cars often results in lower production costs? which of the following will most likely result from these reduced production costs? (1)the price of domestic small cars will decrease. (2)the demand for domestic

244. ## math

the high temp today was 62 degrees. when nighttime comes, the temp will drop 40 degrees. by 4 am the temp will drop an additional 40 degrees. what is the temp at 4 am?

245. ## Math

a sign on a highway says 6% grade, next 3 miles. this means that the slope of the road ahead is 6/100. how much will you climb in elevation ( in feet) over the next 3 miles

246. ## Math! Problem solving.find the whole group using u

Lisa's dog has 4 squeaky toys.Two thirds of the dog's toys are squeaky toys.How many dog toys does Lisa's dog have in all?

247. ## Stats- is this correct?

Jar A contains 6 red balls and 4 white balls. Jar B contains 7 red balls and 2 white balls. You randomly select one ball from Jar A and, without knowing it’s color, drop it into Jar B. You then randomly select one ball from Jar B. What is the probability

250. ## Chemistry

2. Does a precipitate of silver chloride form when 200.0 mL of 1.0 x 10-4 M AgNO3 (aq) and 900.0 mL of 1.0 x 10-6 M KCl (aq) are mixed at 25oC?[ Ksp AgCl @ 25oC = 1.6 x 10-10]

251. ## Math

1. Hannah drew a pattern using only equilateral triangles. Which of the following statements about the angles is an equilateral triangle is true? A. The measurement of each angle is 60 degrees** B. The measurement of each angle is 120 degrees C. The

252. ## Chemistry

Consider the following reaction: CO2 (g) + H2 (g) CO (g) + H2O (g) Calculate the value of the equilibrium constant, Kc, for the above system, if 0.1908 moles of CO2, 0.0908 moles of H2, 0.0092 moles of CO, and 0.0092 moles of H2O vapour were present in a

253. ## social studies

children received their schooling at home in many pre-industrial families, with the industrial revolution, more children attended formal schools. which of the following statements best explains why this change in schooling developed? (1)after the

254. ## Science

Jawless fishes and salamanders are alike in that both types of animals A. are amphibians B. have backbones C. have fins D. are smooth skinned organisms B or D

255. ## Algebra

Can anyone help me to solve this please: 1) m/16 - 9 = -8 2) -9 + n/4 = -7 3) p/4 + 8 = 7 4) b + 11/3 = -2

The municipality of Waterloo needs $915,000 from property tax to meet its budget. The total value of assessed property in Waterloo is$14,000,000. What is the tax rate per dollar? (Round your answer to the nearest thousandth.) A. $.07 B.$.065 C. $.071 D. asked by debbie 257. ## Math A bond quote of 82.25 in dollars is equal to A.$8.25. B. $82.25. C.$822.50. D. $8,025.50. A? asked by debbie 258. ## Physics If the mass of a planet is 0.103 times that of the Earth and its radius is 0.592 times that of the Earth, estimate the gravitational field g at the surface of the planet. The gravitational acceleration on Earth is 9.8 m/s2. Answer in units of m/s2 asked by Luhan 259. ## Precalc Using logarithms to rewrite the expression: 1.) log4.(4)^3x= 2.) 6 log6 36= 3.) 3 log 2 1/2= 4.) 1/4 log4 16 asked by Anonymous 260. ## Math Eighty senators voted yes on a bill to allow unintended pets to enter supermarkets and shop for their own food. The bill passed by a ratio of 7:3. How many total people voted for or against the bill? asked by Anonymous 261. ## Math You roll two number cubes and you spin a spinner with 10 colors and numbers 0-16. You win the game if you roll two odd numbers followed by an odd number on the spinner. If you spin once, what is the chance you will win the game? asked by Anonymous 262. ## math im a girl ok um Three out of 200 machine parts were found to be defective. About how many parts would be expected to be defective out of 2500 parts? A. 15 B. 30 C. 38 D. 67 asked by jj buenrostro 263. ## Math (check plz) y = 2x + 4 2x - y = 6 Solve the system of equations using substitution. A) (2,8) B) (2,-8) C) (10,24) D) no solution asked by Kelly 264. ## Chemistry The balanced reaction equation for the combustion of heptane, C7H16, is given below. If the reaction produced 37.5 g CO2, how many grams of heptane were burned? asked by Veronique 265. ## English A code of ethics governing the behavior of physicians during epidemics didn't exist until 1846, when it was ___ by the American Medical Association. A) rescinded B) promulgated C) presupposed D) depreciated E) implied asked by Jina 266. ## History Check My Answer! Hey I just have 1 question. What event caused four additional Southern states to secede from the Union? The U.S. accepted West Virginia as a state. The South fired on Fort Sumter. Lincoln declared the Emancipation Proclamation. ****** Lincoln raised an asked by Melanie 267. ## math jar A contains 6 red balls and 4 white balls. Jar B contains 7 red balls and 2 white balls. You randomly select one ball from Jar A and, without knowing it’s color, drop it into Jar B. You then randomly select one ball from Jar B. What is the probability asked by Alondra 268. ## history Explain the advantages and disadvantages for independence asked by Bell 269. ## math If three cards are drawn with replacement from a shuffled deck, what is the probability that at least one of them will be a heart? asked by Nelly 270. ## English (Check Answers Please!) "The importance of being earnest" 8. Why does Gwendolen always travel with her diary? She believes people should always have something sensational to read on the train. She is hoping to write a three-volume novel based on her life. She wants to be ready if asked by Breanna L. 271. ## math What is the last digit of 3^5^7? Of 7^5^3? Of 11^10^6? Of 8^5^4? asked by Anonymous 272. ## Math The sum of te ages of Karen and her mother is 100. Thirty years ago, Karen's mother was 9 times as old as Karen was then. How old is Karen now asked by Anonymous 273. ## Math What is the percent that is equivalent to a fraction that is one-fourth of 1/2? asked by Anonymous 274. ## Math Scott started to read a novel. He read 21 pages a day. After 7 days, he had 5/8 of the book left. How many pages are there in the book? asked by Sidney 275. ## Math The area of a rectangle is 247 cm^2. The width and length are both whole numbers greater than 1. What are the dimensions of the rectangle? asked by Veronica 276. ## STATISTIC z = 1.8 for Ha: µ > claimed value. What is the P-value for the test? A. 0.9641 B. 3.59 C. 96.41 D. 0.0359 My answer is B ,NEED HELP PLEASEEE asked by Vedrana 277. ## Chemistry A chemist needs a 50% of sulfuric acid. She mix 2 liters of 20% of sulfuric acid with a sample of 60% of sulfuric acid. Write a equatoin that models the situation and use it to find how much the 50% of the sulfuric acid she needs to use? asked by James 278. ## ELA (check answers) We were about a quarter mile away when quiet swept over the colony. A thousand or more heads periscoped. Two thousand eyes glared. Save for our wading, the world's business had stopped. A thousand avian personalities were concentrated on us, and the asked by Melody 279. ## Math Victoria has a 2-pound package of flour. she uses 2/5 of the flour to make a pizza. She then uses 3/10 of the remaining flour to make bread. Find the weight of the package of flour that she has left. Express your answer in decimal asked by Bella 280. ## algebra An investment account earns 4% per year compounded annually. If the initial investment was$4,000.00, how much is in the account after 3 years? Round your answer to the nearest dollar

For each of the following levels of statistical significance, state how many times in 100 a statistically significant result would be expected to occur by chance. .10 .05 .025 .01

282. ## Math

(5x^3y/20xy^5)^4 According to my teacher the answer is x^8/256y^16, but I don't understand how to get there.

283. ## math

How many cubes with 1/2 inch side lengths will fit inside a prism with a volume of 56 cubic inches? I'm thinking 112, since 56 * 2 =112, but I'm not sure if that's the right thinking.

284. ## physics

Find the time constant (T) for the RC circuit with an open switch given t = 10 ms 50% of Qmax charge T = ? Q = CV (1-e -t/T)

285. ## Chemistry

If a metal ore contains 22.5% pure metal, how many pounds of pure metal can be obtained from 79 pounds of metal ore? Answer in units of pounds.

286. ## Physics

find the heat flow through the sides of an 25cm tall by 10cm wide of ice water in 46s.The glass is 6.00mm thick; the temperature is inside is 28 celcius, the temperature outside is 50 celcius

287. ## A.P

P th term of an AP is 3P-1/6, then .Find the sum of first n term.

asked by siddharth dwivedi
288. ## physics

an electric heater with a resistance of 40 requires 220v across its terminals. a,what is the power dissipated in the resistor b,how much heat is transferred in 1hour

289. ## math

Anna is covering a circular pool with a cover for winter. The pool's diameter is 24 feet. The cover extends 12 inches beyond the edge of the pool, and a rope runs along the edge of the cover to hold it in place. What is the area of the cover? What is the

asked by Rosella Jonson
290. ## Chemistry

Calculate the mass in grams present in 0.95 mole of sodium hydrogen trioxocarbonate(iv)

asked by Hukay baso
291. ## math

cora is 4 years older than rose.their ages is 40 how old is cora

asked by mary ceilo
292. ## co-ordinate geometry maths

find area of triangle abc & triangle def if D E F are mid points of AB BC &CA D(2,1) E(1,0) F(_1,3)