# Questions Asked onJanuary 8, 2013

1. ## math

In a candy bar, 165 calories are from sugar. There are 250 calories in the candy bar. What percent of the calories are from sugar?

2. ## geometry

The coordinates for a rhombus are given as (2a, 0), (0, 2b), (–2a, 0), and (0, –2b). Write a plan to prove that the midpoints of the sides of a rhombus determine a rectangle using coordinate geometry. Be sure to include the formulas.

3. ## algebra

According to famous tv critic bube tube, Why Is Television Called Communications"Medium"?

4. ## science

When scientists use one of their five senses to gather information, they are?

5. ## math

A new law requires that 15 of an individual’s income be invested in the stock market. Your accounts show that you need to put \$435 in the stock market this year. How much did you earn this year? (1 point) \$2,955.00 \$2,900.00 \$2,905.00 \$2,889.50

6. ## Physics

A 492g oscillator has a speed of 99.5 cm/s when its displacement is 3.60 cm and 72.5 cm/s when its displacement is 5.10 cm. What is the oscillator's maximum speed? I'm suck with this problem, can someone please go through it with me step by step, please

7. ## math

22. The graph shows the number of handbags that Mandy made in one day. What are the variables? Describe how the variables are related at various points on the graph. Mandy's Handbags

8. ## Math

Prove 1+sec2x / tan2x = cotx

9. ## math

Explain: how will you divide 0.12 by 8

10. ## calculus

three forces with magnitudes 100, 50, and 80 lb act on an object at angles of 50 degree, 160 degree, and -20 degree respectively. ind the direction and magnitude o the resultant force.

11. ## Physics

The sun has a mass of 1.99x10 30 kg the earth has a mass of 5.98x10 24 kg and is 1.496x10 11 m from the sun a) Calculate the force of gravity acting on the eaarth by the sun b) CAlculate the force of gravity acting on the sun by the earth

A baseball is thrown at an angle of 40.0° above the horizontal. The horizontal component of the baseball’s initial velocity is 12.0 meters per second. What is the magnitude of the ball’s initial velocity?

13. ## Physics

The New England Merchants Bank Building in Boston is 152 high. On windy days it sways with a frequency of 0.12 , and the acceleration of the top of the building can reach 2.5 of the free-fall acceleration, enough to cause discomfort for occupants. What is

14. ## Math

Jim Handy finds an irregularly shaped five-sided rock. He labels each side and toss the rock 100 times. The results of his tosses are shown in the table. Determine the empirical probability that rock will land on side 4 if tossed again. Side 1 2 3 4 5

15. ## math

don break a 4x7 array into a 2x7 array and another array. what is the fact for dons second array? write a number sentence that models the relationship of the 4x7 array to the other two arrays.

16. ## chem

You have two flasks of equal volume. Flask A contains H2 at 0°C and 1 atm pressure. Flask B contains CO2 gas at 0°C and 2 atm pressure. Compare these two gases with respect to each of the following mass of gas (Flask A:Flask B)

17. ## physics

If A = 4 units north, B = 4 units east, and C = 6 units northeast (45o east of north), click on the figure to find A + B + C. Construct the figure.

18. ## algebra

Archers need to use arrows that do not bend easily. The table shows how the weight of an arrow affects its spine or the distance the center of the arrow bends when a certain constant weight is attached. Graph the data in the table to find a linear and

19. ## Math

Mario is mixing paint for his walls. In a large container he mixes 1/6 gallon blue paint and 5/8 gallon green paint. Which fraction represents the total amount of paint Mario mixes?

20. ## Calc

A rock is thrown upwards (vertically) from the ground with an initial velocity of 40 feet per second. If acceleration due to gravity is -10 feet per second squared, how high will the rock go?

21. ## math

I have been staring at this problem forever, and cant seem to dig it up in my book. Please help! Two competing bank are trying to attract customers. (a) Ally Bank has an account which earns 25% interest every 10 years. Assuming the interest is compounded

22. ## AP Physics

Momentum One of those Civil War cannons is fired. The Cannon has a mass of 873kg It fires a 35.0kg cannon ball at a velocity of 145 m/s at an elevation angle of 35.0 degrees. The length of the barrel is 2.10m. (a) What is the recoil velocity of the

23. ## Physics, waves

A string vibrates in its fundamental mode with a frequency of 200 Hz. The string is 0.64 m long and has a mass of 1.61 g. With what tension must the string be stretched?

24. ## math

Clovertown students attend school five days a week for thirty-six weeks. Each school day is six hours long. How many hours do students spend in school each year?

25. ## math

write three equivalent ratios to compare each of the following. 20 pencils to 25 erasers

26. ## Physics

Car A is traveling at 18 m/s and car B at 25 m/s. Car A is 300m behind car B when the driver of Car A accelerates his car with an acceleration of 1.80m/s^2. How long does it take car A to overtake car B?

27. ## SOCIAL STUDIES URGENT!!

Which of the following would NOT be considered an institution? (1 point) families sports clubs organized religion civilizations this is hard umm i believe it's civilizations am i correct~

28. ## chemistry

Calculate the enthalpy of reaction for the combustion of ethene. Express the enthalpy of reaction calculated in question above as a molar enthalpy of reaction per mole of carbon dioxide.

29. ## statistics

100 raffle tickets are sold for \$3 with one grand prize of \$200. Julie purchased one ticket. What is her expectation?

30. ## math

write three equivalent ratios to compare each of the following. 8 triangles to 12 circles

31. ## Living things Science

Organisms that make their own food are called ____________________________. :D

32. ## chemistry

How many grams of oxygen are needed to burn 22.8 grams of C8H18? 80.0 g 240. g 40.0 g 20.0 g 120. g

33. ## world history

16. After the death of Theodosius, the eastern part of the Roman Empire became known as the a. Ottoman Empire. b. Byzantine Empire. c. Visigoth Empire. d. Christian Empire.

34. ## Arbor

a car is traveling at 50.0 km/h on a flat highway. a) if the coeffcient of kinetic friction between the road and the tires on a rainy day is 0.100, what is the minimum distance needed for the car to stop? b) What is th stopping distance when the surface is

35. ## pre-cal

Three forces with magnitudxes 100, 50 and 80 lbs act on an object at angles of 50 degree, 160 degree and -20 degree respectively.

36. ## MATH URGENT

Write the calculator key sequence you would use to evaluate each expression. Then evaluate. A.) (1-3)^4/4 B.) (-2)^0+4*17^0 C.) 16-9 (2^3)+(-4)^2 Thank you and I pleeeeese explain how to do this

A baseball is thrown at an angle of 40.0° above the horizontal. The horizontal component of the baseball’s initial velocity is 12.0 meters per second. What is the magnitude of the ball’s initial velocity?

38. ## government

How do the duties of the Lieutenant Governor compare to those of the vice president?

39. ## spanish

Write answer to the following questions. 1. Adonde te gusta ir de compras 2. Con que tipo dinero tienes que pagar en estados unidos 3. Con que tipo dinero tienes que pagar en europa 4. Por que llevamos gorros y chaquetad en invierno

40. ## Social Studies

3. Roman generals improved on Greek military tactics by employing a. the phalanx system. b. larger, more powerful divisions of troops. c. smaller, more mobile divisions of troops. d. a tolerant attitude toward deserters, which boosted morale.

41. ## chemistry

a sample of 20.0 mL of 0.100 M HCN (Ka=6.2*10^-10) is titrated with 0.150 M NaOH. a) what volume of NaOH is used in this titration to reach the equivalence point? b) What is the molar concentration of CN- at the equivalence point? c) What is the pH of the

42. ## world history

42. During the Pax Romana, Romans did all of the following EXCEPT a. build the Colosseum and Circus Maximus. b. trade with places as distant as China and Britain. c. build a series of stone water channels called aqueducts. d. adopt a new calendar based on

43. ## MATH URGENT

What distance would the skydiver fall during 7s of free fall ? Use the formula d= 4.9t^2, where in d is distance in meters and t is time in seconds. Pleeeeeeeeeese help me!!!!!!

44. ## math

100 raffle tickets are sold for \$3 with one grand prize of \$200. Julie purchased one ticket. What is her expectation? What is the fair value of a ticket?

45. ## algebra

supose you bought eight oranges and one grapefruit for a total of \$4.60. later day, you bought six oranges and three grapefruits for a total of \$4.80. what is the price of each type of fruit?

46. ## math

describe the solutions of 4

47. ## chemistry

so I don't expect you to answer all of these I just don't understand how they work so if someone could just explain one or two so I can do the rest that would be helpful! Thanks! Use the activity series to predict whether the following reaction will occur.

48. ## science

determine the molarity of the following solution 31 g MgF2 in 55ml H20

49. ## College English

Describe how communication is a two-way process and explain why communication skills are paired.

50. ## on being a person

A key ingredient in the existential perspective is

51. ## MATH URGENT

The prime factorization of 243 is 3*3*3*3*3. Write 243 as the product of two powers of 3 in as many ways as possible. Thank you

52. ## Science

What are thease layers of earth made of? Crust Lower mantel outer core inner Core. and asthenospher and lithosphere

53. ## chemistry

balance H2SO4 + NaOH --> H2O + Na2SO4 so i know you need 2 Na on each side but then I cant figure out the #'s for O or H

54. ## Math

I'm learning series and sequences (grade 11). Please check that my steps show I understand what I'm doing/the concept and my answer as well: 5. The consecutive terms of an arithmetic sequences are 3.6, y, 8.2. Find the value of y. This seems to be a

55. ## Government

Explain the social contract theory.

56. ## math

What is the scale factor is a 8.9 m object appears as 6.5c, in a picture?

57. ## Algebra

One adults ticket to an amusement park costs d dollars. One child's ticket costs \$19 less than twice the cost of an adults ticket. Write and simplify an expression for the cost of one child's ticket. If an adults ticket is \$28, what is the cost of a

58. ## Biology

12. A main difference between fungi and plants is that fungi a. have cell walls. b. produce spores. c. cannot make food. d. all of the above.

59. ## world history

23. By the A.D. 200s, the jus gentium became unnecessary because a. most free males ion the provinces had been made citizens of Rome. b. Marcus Aurelius had rescinded the jus civile. c. Hadrian had strengthened Rome's fortifications. d. provincial

Krypton gas is four times denser than neon gas at the same temperature and pressure. Which gas is predicted to effuse faster? i got neon which is correct but How much faster? how many times? i don't know how to get htis

61. ## algebra 2

solve each system by substitution 1. 6x-3y=-33 2xty=-1 2. 2x-y=7 3x-2y=10 3. 4x=8y 2x+5y=27

62. ## trig

Solve sin θ = -0.204 for 90º < θ < 270º. Give your answer to the nearest tenth of a degree. Honestly have no idea how to do this.

63. ## english

i'm required to write a 7 paragraph, 5 minute speech for my 8th grade lit comp class. the topic is "why my voice is important." but i can't think of any reason my voice is important. because it's not. i'm 14 years old! what say do i have in anything? none.

64. ## math

how can you use a right angle to decide how to name another angle?

65. ## Math

I want to open a savings account that earns 1.6% simple interest yearly. I want to earn exactly \$288 in interest after 3 years. How much money should I deposit?

66. ## math

look at the numbers below describe the pattern 75, 74,72,69,65, what is the next two numbers in the pattern

67. ## Math

7) Use Pascal's Triangle to find the coefficients for (a + b)5 . I need help with this?

68. ## Math

If 241.5 grams of gold has a volume of 12.5 cubic centimeters, what is the density of gold?

69. ## Science

What is the idea that living things can come from nonliving sources called?

70. ## Physics

The New England Merchants Bank Building in Boston is 152 high. On windy days it sways with a frequency of 0.12 , and the acceleration of the top of the building can reach 2.5 of the free-fall acceleration, enough to cause discomfort for occupants. What is

71. ## science

(a) Speculate about how the invention of the microscope might have helped doctors to understand what caused diseases.

72. ## biology

do you know how much drops of dcpip is required to make .9 , .6 , 1.1 and .8 cm squared my partner and i frogot to write down the number of drops to make the dcpip volume

73. ## Biology

34. The _____ has a cell covering made of two parts. a. diatom b. dinoflagellate c. euglena

74. ## Geography

The waters surrounding Japan and the nearby ocean currents help to make Japan's climate mostly what?

75. ## Math Sequence

the nth term of a series is 9n-7. what is the result of subtracting the kth term from the (k+1)th term? (with solution pls, thnx)

76. ## math

solve each system by elimination x+y=10 x-y=2

77. ## Physics

A lawn roller is pushed across a lawn by a force of 119 N along the direction of the handle, which is 22.5° above the horizontal. If 65.7 W of power is developed for 90.0 s, what distance is the roller pushed?

78. ## Physics

A 492g oscillator has a speed of 99.5cm/s when its displacement is 3.60cm and 72.5cm/s when its displacement is 5.10cm . What is the oscillator's maximum speed? (units cm/s)

79. ## Math

The price of a jacket at store A is \$48. If the price at store B is 5.5% higher, what is the price difference? What is the cost of the jacket at store B?

80. ## INTEGERS

Starting at home a salesman drove 20km east, then 9km north, then 4km east. finally, he drove x km south and at that point he was exactly 25 km away from his home. find x.

asked by HELP HELP HELP MNHS
81. ## maths

A monkey ascends a greased pole 30 m. high. He ascends 3 m. in Ist minute and descends 1m. in the next minute, again ascends 3m. in 3rd minute, but descends 1m. in 4th min and so on. In what time he reached the top?

82. ## math

Which of the following values is in the solution set of the inequality -8-7x>-6 a) 2 b) -2 c) -3 d) -1

83. ## science

water in gas form is called

84. ## MaTh HeLp Plz..

In pascal's triangle, which row has the sum of 524288?

85. ## math for business and finance

!@#\$%^& hercher borrowed \$7,000 to travel to london. his loan is to be paid in 48 monthly installments of \$190. at the end of 14 months, !@#\$%^& decides to pay off his loan. what is the final payoff !@#\$%^& will make?

86. ## Math

Rachel gave 1/4 of a pie to each of 5 friends. How many pies did she give to her friends in all? Write the mixed number. Ms. Fuller has 2 2/6 pies left over from her party. Write the number of pies left over as a fraction greater than 1. How do I arrive at

87. ## Biology

these are some of the questions that i couldn't find the answers in the book. :( 17.The relationship between a fungus and a green organism is an example of a. neighbors. b. mutualism. c. parasitism. d. saprophytes.

88. ## geometry

Suppose the coordinate of p=2 and PQ=8 and PR=12. Whare are the possible mid point for line segment PQ? A.-2 &8 B. 2 & 6 C.-2 & 6 D.-2

89. ## Math-Syllogism valid?

Some snakes are poisonous. A rattlesnake is a snake. Therefore: a rattlesnake is poisonous. Is syllogism valid or invalid?

90. ## Math

5. Julian read 55 pages of a book in 2 days. At this rate, how many pages can he read in 7 days?

91. ## math (calculate speed)

A swimmer of mass m is at a swimming pool. They climb the steps to the diving board 4.0 m above the water. They jump off the board, which enables them to rise a further 0.7 m before they begin their descent into the pool. At what speed do they enter the

92. ## algebra 2

solve each system by substitution 1. y=xt1 2x+y=7 2. x=y-2 3x-y=6 3. y=2xt3 5x-y=-3

93. ## social studies

what is North Carolina largest port

94. ## maths

For an A.P. sum of 2n terms = 3* sum of n terms then sum of 3n terms : sum of n terms = ?

95. ## chem

Balance the following equation by entering the correct coefficients. NaHCO3 --> Na2CO3 + H2O + CO2

96. ## Physics, science

A sonar generator on a ship produces periodic ultrasonic waves at a frequency of 2.2 MHz. The wavelength of the waves in seawater is 5.310-4 m. When the generator is directed downward, an echo is received 15.2 s later. How deep is the ocean in m?

97. ## math (calculate speed)

A swimmer of mass m is at a swimming pool. They climb the steps to the diving board 4.0 m above the water. They jump off the board, which enables them to rise a further 0.7 m before they begin their descent into the pool. At what speed do they enter the

98. ## physical science

Mike jogs east at a rate of 4 mph. The wind is blowing west at 1 mph. What is Mike's velocity?

99. ## biology

16. In one stage of it's life cycle, the slime mold flows like a(n) a. paramecium. b. euglena. c. diatom. d. amoeba.

100. ## Math

In his last track meet, Carl ran the 100-meter dash in 13.2 seconds. What was Carl's approximate rate of speed for tha race?

101. ## MATH PLS HELp

Write an equation for nth term in the sequence: -2, 5, -10, 17, -26

102. ## Government

Monetary policy differs from fiscal policy in that a. it has to be exercised by the legislature. b. the policy goals are very different. c. it is a slower process than fiscal policy. d. it is a faster process than fiscal policy. e. none of these answers

103. ## English

Word bank authorize culprit dawdle dissect expend fatality gullible illicit immerse inflammatory memorandum pathetic persevere prevaricate quash relish reminisce scour tribute writhe Our supervisor prepared a(n) ___ that reminded the salespeople of the

Find the functions f&g so that fog =H H(x)=(3x+2)^6 please show work

105. ## math

Lee forgot to study for her geography quiz, but she was not too worried because the quiz had only five true-false questions.Suppose she guessed all of the answers.What are the chances that she passed with four or five correct answers?

106. ## Science

How many grams of oxygen gas would be needed to react with 75 grams of hydrogen gas

107. ## world history

1. The representatives of the plebeians were called a. consuls. b. senators. c. tribunes. d. praetors.

108. ## world history

2. Christians stirred Roman opposition in all of the following ways EXCEPT by a. refusing to honor the emperor as a god. b. refusing to serve in the military. c. rejecting Roman belief in a messiah. d. regarding their religion as the only true faith.

109. ## math

you are building a deck. you make a scale drawing with a scale of 2 feet=1/2 inch. the actual deck is 18 feet long and 12 feet wide. Determine the length and width of the deck in the scale drawing.

110. ## QRB

Complete the following two problems. Problem 1 The table shows the number of greeting cards that Americans buy for various occasions. Holiday/Event Cards Sold Valentine’s Day 900 million Mother’s Day 150 million Father’s Day 95 million Graduation 60

111. ## Chemistry

An aqueous solution of HCl has a high electrical conductivity when compared to the compound in hexane, whilst the conductivity of a solution of the compound in diethyl ether has an intermediate value. Explain.

112. ## Government

Explain progressive and regressive taxes.

113. ## Government

What are the duties of congressional committees?

114. ## math

List order of numbers from least to greatest is the following correct? 1 3/7 1 2/4 1 8/14 1 3/4

115. ## chemistry

balance H2SO4 + NaOH --> H2O + Na2SO4

117. ## Cosmology

What observations were used by Edwin Hubble to show that the universe is expanding? - The distance to a galaxy is proportional to its luminosity. - The distance to a galaxy is inversely proportional to its apparent size. - The distance to a galaxy is

118. ## Cosmology

The equation describing the geometry and mass-energy distribution of a homogeneous and isotropic universe is known as: - The Einstein Equation - The Friedmann Equation - The Robertson-Walker Equation - The Hubble Equation

119. ## Math

3gal=___qt 12? 32oz=___lb 2? 16pt=___qt 8? 6c=___pt 3? 44qt=___gal 11? 3gal=___pt 24? 2t=___oz 64000? 4c=__fl oz 32? 64 fl oz=___c 8? 5lb=___oz 80?

120. ## chem

Krypton gas is four times denser than neon gas at the same temperature and pressure. Which gas is predicted to effuse faster?

121. ## physics

A 4.75 mass was dropped from a certain height and achieved a maximum velocity of 7.68 m/s just before striking the ground. Determine the height from which the mass was dropped. Ignore air drag.

122. ## Government

List one of the unalienable rights.

123. ## math sequenc

the nth term of the geometric progression is 3(2^n-1). how many terms are less than 200?

124. ## Math

Justin bought 4 pillows for a total of \$31.96. What is the unit price for each pillow?

125. ## algebra

solve each system by substitution 1. 6x-3y=-33 2xty=-1 2. 2x-y=7 3x-2y=10 3. 4x=8y 2x+5y=27

126. ## science

sodium flouride is soluble in water at the rate of 4.09g/100g of H20. how much will dissolve in 500g of water

127. ## geometry

the endpoints of the diameter of circle O are (-2,-1) and (-16,13). what are the coordinates of its center?

128. ## math

find functions of f and g so that fog = H h(x)=(3x+2)^6 please show work

129. ## chemistry

How many atoms of carbon are in 325 g of tin (II) acetate?

130. ## SCIENCE -HELP!!

How does the discovery of seafloor spreading help to explain the mechanism behind why plates move??

131. ## arithmetic progression

If sum of first 21 terms of an arithmetic progression is 13 and that of first 13 terms is 21, show that sum of first 34 terms is -34 ?

132. ## Algebra 2/Trig

I've done every other single question besides this one. (There was 12). I'm stumped and would really appreciate some help! I have to simplify this: 5/3sqrt(3-4) I am not sure if you have to conjugate the denominator and multiply it with the top and bottom,

133. ## Math

Alex has 7 dimes and 3 nickels. What fraction of the coins are dimes?

134. ## Cosmology

How do we explore the large-scale structure of the Universe in the modern day? - Using large spectroscopic redshift surveys. - By accurately measuring positions of nearby galaxies. - By observing galaxies in the Local Supercluster. - By studying clusters

135. ## Cosmology

Most of the energy in the Universe today is... - contained in the motion of galaxies. - released through supernova explosions. - in the form of dark energy. - the energy of the CMB photons.

136. ## science

why does the period of the pendulum decrease if the length of the pendulum decrease?

137. ## Government

Identify checks and balances.

138. ## FUNCTIONS 11

Write an equation for nth term in the sequence: -2, 5, -10, 17, -26

139. ## Biology

28. Malaria is caused by a a. sporozoan. b. diatom. c. dinoflagellate. d. fungus.

140. ## science

how did the invention of the microscope help doctors to understand what caused diseases.

What is the area of a shape that that has 8 sides and has 1 , 1 , 8 , 1 , 1 , 3 , 3 and 10 as the lengths of the 8 sides?

please help solved the following fraction 11 13/15 + 3 7/12 = 14 3/4 + 7 + 5 7/8 = Thanks, Hannah

143. ## Algebra 2

Solve by completing the square 3x(sqaured) - 8x - 6 = 0. Is it 4 - the square root of 34 / 3 and 4 + the square root of 34 / 3?

144. ## Will somebody help me please?

1. Diarrhea can be caused by a change in diet and different minerals in the water. True False 2. Fusion produces less radioactivity than fission. True False 3. Wise travelers eat only cooked vegetables in underdeveloped areas. True False 4. The kilogram is

145. ## Physics

A 0.46 kg mass oscillates in simple harmonic motion on a spring that has a spring constant of 2080 N/m. The spring was initially compressed 9.4 cm (a negative displacement) at t = 0 s. What's the velocity in m/s of the mass at t = 0.24 s?

146. ## Cosmology

Cosmological redshift is defined as R(t0)/R(te) = - 1+z - 1 / 1−z - 1−z - 1 / 1+z

147. ## math

name the property 32X4=(30X4)+(2X4)

148. ## Geography

What is the capital of the landlocked country that borders Russia to the north and China to the south. Also, is this correct? Eastern Brazil has a higher elevation that western Brazil. Thanks!

149. ## Pre-Cal.

use the complex zeros to give fully factored form, the first factor needs a x in it : (-3) (-2i)(x+2i)

150. ## algebra

what is the parent function for y=x+4 and transformation?

151. ## algebra

Estimated product. 81,000

152. ## science

At what angle of incidence does refraction stop and reflection begin?

153. ## Sabian

If air resistance offered to the motion of a projectile by the surrounding air is taken in account i,is time of flight increase or decrease?why? ii,hmax >> >> >> iii,the range >> >> >> iv,the striking angle >> >> >>

155. ## science

what is the molarity of a solution of 232 g of NaCl in 2.1 of water?

156. ## math very urgent

What is the area of a shape that that has 8 sides and has 1 , 1 , 8 , 1 , 1 , 3 , 3 and 10?

157. ## Information Technology (2 Qs)

1) Order the following components in order of their speed starting from the fastest, and ending with the slowest: CD, Random Access Memory (RAM), Tape, Cache. 2) A computer system may have an extremely fast process, and extremely fast memory, yet the

158. ## social studies

how many kids did Nefertiti have?

159. ## Physics,

A block of mass 0.25 kg is connected to a spring with spring constant 35 N/m. The block is oscillating on a frictionless horizontal surface. Its speed as it passes through its equilibrium position is 1.04 m/s. What's the total energy of the system?

160. ## FIN 370

What is the future value of \$1000 in an account for 9 years compounded bi monthly at 14%

161. ## math

(parent). My son's problem says "the product of a number and 17"...supposed to write as expression... I'm thinking it would be a 17x=y but he's adamant that because the word "and" is in the sentence that he needs to add something as well.... (no math books

162. ## Cosmology

Which of the following phenomena is NOT a consequence of Special Relativity? - Mass-energy curves space-time - Length contraction - Time dilation - Mass can not travel faster than the speed of light

163. ## Math

Bottom part of the greenhouse has a length of 350cm a width of 220cm and a height of 250cm. The angle at the peak of the roof measures 90 degrees. Sketch the frame and label it with its actual dimensions. How do I calculate the actual demensions?

164. ## Cosmology

The universe is homogeneous and isotropic on: - large scales (more than 100 Mpc) - neither small nor large scales - small scales (less than 100 Mpc) - both small and large scales

165. ## Cosmology

A Megaparsec is: - The distance to the Andromeda galaxy - The distance from which 1 AU subtends an angle of 1 microarcsecond - The distance from which 1 AU subtends an angle of 1 arcsecond - The size of the observable universe

166. ## algebra

Is this mrs.. Berry

167. ## world history

25. In 49 B.C., Julius Caesar began a civil war by a. crossing the Alps with troops and elephants. b. adopting the Julian calendar. c. leading his troops across the Rubicon River. d. driving Pompey out of Italy.

168. ## math

i need help with this riddle: i am not divisible by 2 or 3, and i am between the numbers 12 and 16. What number am i?

169. ## Math

3gal=___pt 24? 2t=___oz 64000? 4c=__fl oz 32? 64 fl oz=___c 8? 5lb=___oz 80?

170. ## Pre-Cal.

How does this go from x^2+ to 2i, explain.

171. ## Math

2ft=__in 24? 18ft=__yd 6? 3520yd=___mi 2? 3yd=__in 108? 2mi=__ft 10560? Which is greater 2 1/4feet or 26 in? 2/4 Which is greater 3 1/3yd or 12 ft 12ft?

172. ## math

whats 4(2/3) im in 8th grade and i don't understand

173. ## Government

Who works on the federal budget?

174. ## Math

What Are Five Ratio Survey Questions I Can Do On A Typical Family Of 6 ?

175. ## math

find the domain of composite function fog f(x)=x/x-4; g(x)= -1/x please show work

176. ## Math

What Are Five Ratio Survey Questions I Can Do On A Typical Family Of 6 ?

177. ## science

How would you find a mass of a rolling marble?

178. ## Math

Number Sense How can you use 4 x 7 to find 8 x 7? Find the product.

179. ## Polynomials

Let f(x) = ax^3 + bx^2 + 3x – 4. If f(x) is divided by (x – 2), the remainder is 2. When it is divided by (x – 1), the remainder is -2. Find a and b. (4 marks) Please help, I understand what to do when there's only 2 variables but not with 3. Thank

180. ## Trigonometry

Prove 1-cosx+sinx / 1+cosx+sinx =tan x/2

181. ## English-Native speakers

Can someone please make this sentence more "English"? THE ROLE OF ILLUSTRATIONS IN CHILDREN'S BOOKS WRITTEN BY GERMAN WRITERS AND RELEASED AFTER 1950. This is supposed to be the title

182. ## trig

use pythagorean theorem to solve for the value of x and y of a 60-60-60 degrees.

183. ## trig

solve for the value of sine and cosine function of 60 degrees.

184. ## Math

Sue Ellen bought 5 cans of soup for a total of \$4.00. What is the unit price of a can of soup, in dollars per can?

185. ## Art

"What is Goya's style of painting? Is he part of a larger art movement?"

186. ## world history

18. Diocletian issued the Edict of Prices in an attempt to a. raise wages among the Roman poor. b. encourage farmers to leave provincial farms. c. control severe inflation. d. please the merchant class.

187. ## science, physics

A block of mass 0.25 kg is connected to a spring with spring constant 35 N/m. The block is oscillating on a frictionless horizontal surface. Its speed as it passes through its equilibrium position is 1.04 m/s. What's the total energy of the system?

188. ## Cosmology

The scale factor, R, describes how universal expansion changes with: - time - curvature - location - all of the above

189. ## math

In a triangle, the measure of the second angle is twice the measure of the first angle. The third angle is equal to the sum of the other angles.

190. ## mechanical science

a c accelerates from rest in a straight line. after 12 seconds, it's velocity is measured as 42 m/s. use one of the linear equations of motion to calculate the car's acceleration

191. ## Math

33 fl oz=__c 4? 16qt=__gal 4? 3t=__lb 6000? 2gal=__pt 16?

192. ## math

i need to find out if this fraction is correct 8/16

193. ## Math

The probability of rain falling on the roof of Adam’s dorm on any given day is 0.15. The probability of rain falling on the lecture hall is 0.20. On days when rain strikes the dorm roof, it has a 0.90 probability of also striking the lecture hall roof.

194. ## science

shale gas is a conventional natural gas deposit

195. ## Science

What things in the environment where I live in Hollister, CA determine the local ecosystem?

196. ## pre algebra

Ellen buys 6 more paperbacks than hard covers. Paperbacks cost \$8 each and hard covers cost \$15 each. If Ellen spends a total of \$117 on the books, how many of each type does she buy? Give a complete algebraic solution, using the distributive property.

197. ## science

determine the molarity of the following solution 31 g MgF2 in 55ml H20

198. ## science

what is Molarity of a solution of 4 moles of NaCl in 2L of water?

199. ## math VERY URGENT+IMPORTANT

What is the area of a shape that that has 8 sides and has 1 , 1 , 8 , 1 , 1 , 3 , 3 and 10 as the lengths of the 8 sides?

201. ## Sicnece

A skeleton equation is not a balanced equation.- Is this sometime true, never true or always true? Can't there be some skeleton equation that is already balanced, thus it sometime true? Thanks

202. ## maths

A and B together can do a piece of work in 12 days; B and C together can do it in 15 days. If A is twice as good a workman as C, in how many days A alone will do the same work

203. ## Math

Rewrite the number sentence with parentheses to make it correct.412=70x5+1-8. And 6x10-5=55

204. ## General Question

How do I remove an old question I asked from this site? I need it to be removed because of privacy issues.

205. ## MATH

1/6 + x > 1/2 What does the value of X have to be, to make this sentence true?

10-2p+5p=p+4

207. ## Cosmology

The solution of Olbers' Paradox is: - The universe is opaque at large scales - The universe expands - There is simply not enough starlight in the universe - Matter is clustered in such a way that the integral brightness converges

208. ## algerbra

solve by substitution y=0.5x+2 -y=-2x+4

209. ## math-Tiling a room

How much does it cost to tile a room that is 420 sqft if the tiles used are 1 foot on a side and cost \$0.95?

210. ## Math

the weight of ab ag of potatoes 5 tons or 5 pounds 5 pounds? the amount of water in a sports bottle 15 fl oz or 4 pints? 16 fl oz? the weight of an apple 1/2 pound or 32 oz 1/2 pound?

211. ## government

Describe the different types of primaries.

212. ## math

Write an equation for nth term in the sequence: -2, 5, -10, 17, -26

213. ## math

6(x+5)-y(x+5)

214. ## math (algerba 1)

Is 2x2 + 16x + 32 a tri square?

215. ## art

this is one photographic process used in the mid-1800s

216. ## Math

What is 7/5 into a mixed number

217. ## rearrange this equation

Rearrange to make f the subject, showing your work step by step: hf = hcT / b

218. ## Math

How do you solve -3y+2x=-12

219. ## math

i need help im stuck on this question please help me heres the input 25 and the output is 15

220. ## Math

write 2x= -5y+11 in standard form

221. ## english

1. The students (study, studies) history. 1.studies

222. ## science

which would have a greater maximum kinetic energy, a long pendulum or short pendulum?

223. ## math

solve the equation. log2(x+4)-log4x=2 please show work

224. ## trig

how to solve for the value of sine and cosine function of 0,90,180 and 270 degrees?

225. ## trig

solve for the value of sine and cosine function of 60 degrees.

226. ## math (algerba 1)

2x2 + 16x + 32 how do I Factor and label? And how do I know if this is a tri square?

227. ## American democracy

what is the congressional lawmaking process biased toward

228. ## math

1. y=xt1 2x+y=7 2. x=y-2 3x-y=6 3. y=2xt3 5x-y=-3

229. ## cultural diversity

which one of the following statements best expresses the strategy of semantic extension?

230. ## Math

4x - 5 ≤ 2(x - 7) x^3 - 5x^2 + 2x ≥ -8 2(x^3 - 2x^2 + 3) < x(x - 1)(x + 1)