# Questions Asked onNovember 14, 2014

1. ## sixth grade math

360 kilometers is 24 of ___ kilometers.

2. ## math

express 0.32 as a fraction

3. ## english

S-subject, DO-direct object, SC-subject complement, OP-object of preposition What I had been hoping for was a scholarship.

4. ## chemistry

You perform the following titration: You placed 35 mL of H2S in a flask and placed it under a buret. The buret contains 0.243M Sr(OH)2 and you are going to titrate the H2S with the base. You titrate until the color changes. At that point, you record that

5. ## physics

A piece of putty of mass m = 0.75 kg and velocity v = 2.5 m/s moves on a horizontal frictionless surface. It collides with and sticks to a rod of mass M = 2 kg and length L = 0.9 m which pivots about a fixed vertical axis at the opposite end of the rod as

6. ## Physics

The two masses (m1 = 5.0 kg and m2 = 3.0 kg) in the Atwood's machine shown in the figure are released from rest, with m1 at a height of 0.91 m above the floor. When m1 hits the ground its speed is 1.0 m/s. Assume that the pulley is a uniform disk with a

7. ## physics

a 6.3 kg watermelon is placed at one end of a 7.6 m, 201 n scaffolding supported by two cables. one supporting cable is at the opposite end of the scaffolding, and the other is 1.1 m from the watermelon

8. ## Calculus

Find the equation of the line tangent to the function f(x)= square root of (x^3 + 4x) through the point (2,4)

9. ## Intermediate Algebra

A bank loaned out 15,000part of it at a rate of 6% per year and the rest at 14%per year. If the interest received in one year totaled 1500, how much was loaned at 6%? 0.6x +14(15,000-x)=1500 0.6+2100-14=1500 1x=1500-2100 x=600 x=600/1 x=600 loaned @6%

10. ## Intermediate Algebra

Suppose you have a credit card debt of \$6000. Last month, the bank charged you \$85 interest on the deb. The solution to the equation is 85=6000/12 r represents the annual interest rate on the credit card. Find the annual interest rate on the credit card.

11. ## math

Louis earned 256 helping his mother paint a house. He spent 11/16 of it on a computer program how much did louis spend on the program. Is the annswer 176 on program

12. ## math

Dan is making 4 batches of chicken soup. Each batch of soup uses 2/3 cup of rice. How many cups of rice does he need. Is the answer 2 2/3 cups

13. ## maths lit,business,cinsumer,lo,travel and tourism

I am really confused I'm doing the above subjects and I want 2 know what can I become

14. ## math

what is decimal

15. ## English/grammar

please find the error: 1. To whom is this wallet that was found in the room yesterday? 2. A man with five children have a large family to support. thanks... :)

16. ## chemistry

what is the structure of OF anion?

17. ## stats

Weights of parts are normally distributed with varianceσ2. measurement error is normally distributedwith mean zero and variance 0.5σ2, independent ofthe part weights, and adds to the part weight. Upper andlower specifications are centered at 3σ about

18. ## math probability

A box has ten dollars, one is five dollar and four of one dollars. If two bills are chosen at random without replacement, find probability of getting A) amount of valued fifteen dollars B) amount of twelven dollars... is it 4 from 19-15 for A and 7 from

19. ## math probability

In box containing marbles 1-75, how many ways A) first marble are chosen Answer, i think 1/75 Part B) two marbles are chosen i think answer are inconclusive Part C is ball with number 37 is chosen i think answer is 1/74

20. ## Math

Estimate the answer to the following problem by rounding to the nearest 10: 13 + 46 + 87 = ? A: 130 B: 155 C: 160 D: 150 I personally think its 160, because look; 13 + 46 + 87 = 146. I rounded it, and I think it's 160. Could anybody find out if it's

21. ## math probability

How many three digits codes (single digits 0-9) are possible part A is codes must exceed value of 400 i think answer is 400 multiply 10 multiply 400 or 400x400x400 as three digits

22. ## lit

i wrote a sonnet on winning, can some review and give additional ideas and changes. also help me with last stanza. At times I wonder why I want to win Maybe it is the thrill of beating them Maybe a first prize medal or a shiny pin I know I’d love to win

23. ## math

a ship covered a distance of 41 km due north and then 23 km due east and again 15 km towards north direction.how far is it from the point where it started?

24. ## Physics

Tarzan tries to cross a river by swinging from one bank to the other on a vine that is 8.2 m long. His speed at the bottom of the swing is 7.2 m/s. Tarzan does not know that the vine has a breaking strength of 1.0 ✕ 103 N. What is the largest mass that

25. ## business finance

A young couple was involved in a multi-level marketing business for a number of years under the wife’s name. The husband used his money and made a loan of RM 20000(about 6000 US dollar) from an Islamic bank to start the business. The profit gained from

26. ## Math

Which term best describes the solution of the situation represented by the system of inequalities? (Assume that x >= 0 and y >= 0.) 3x + 4y

27. ## Physics

A 1180 kg car rounds a circular turn of radius 19.1 m. If the road is flat and the coefficient of static friction between the tires and the road is 0.67, how fast can the car go without skidding? m/s

28. ## chemistry

How can we draw one of the shapes of molecule according to the VSEPR theory which is SO2?

29. ## Algebra

What is the equation in the slope intercept form for the line that passes through the points (1,-3) and (3,1)? Y=3x+1 Y=x-3 Y=2x+5 Y=2x-5

30. ## Jiskha help

I haven't being able to post questions for a long time on my internet with different computer, cells, and tablets. Today, it worked. What happened?

31. ## History help

Weathering and erosion break down rocks and slowly create a) oxygen for plants. b) Earth's poles. c) tectonic plates. d) new landforms.***

32. ## physics

Calculate the potential energy of a 9.00 g bullet traveling 4.00 m above the ground at 50.0 m/s with respect to the ground

33. ## statistics

Suppose a restaurant in town serves three fixed price dinners costing \$12, \$15, and \$20. For a randomly selected couple ( Penny = X and Leonard= Y), the joint probability table for their selections is given below. Y p(x,y) 12 15 20 12 .05 .05 .10 15 .05

34. ## programming

write a pseudocode to accept item name, price, and quality from a user and display the item name and it's total value. the total value can be calculated as the product of price and quality

35. ## Algebra

ã2x -4 = ã7x + 9 Don't' have a clue. I tried squaring both sides to get rid of the square root but it just isn't working.

36. ## Organic Chem

4 KO2 + 2CO2 rightwards arrow 2 K2CO3 + 3 O2 How many moles of O2 can be produced from 12 moles of KO2 and 10 moles of CO2? If you were to produce 100.0 grams of O2 what would be the percent yield of the reaction?

37. ## English

Thoreau included the following sentence in Walden: "There is some of the same fitness in a man's building his own house that there is in a bird's building its own nest." Which of the following statements rephrases his literal comparison as a metaphor? A. A

38. ## MATH

A function machine accepts inputs as ordered pairs. the componets of the ordered pairs are natural numbers and the first component is the length of rectangle and the second comonet is the width . the given machince comptes the perimiter . find the out ut

39. ## Physics

A 75 kg window cleaner uses a 10 kg ladder that is 7.2 m long. He places one end on the ground 4.5 m from a wall, rests the upper end against a cracked window, and climbs the ladder. He is 5.2 m up along the ladder when the window breaks. Neglect friction

40. ## PHYSICS

A 75 kg window cleaner uses a 10 kg ladder that is 7.2 m long. He places one end on the ground 4.5 m from a wall, rests the upper end against a cracked window, and climbs the ladder. He is 5.2 m up along the ladder when the window breaks. Neglect friction

41. ## Social studies

Look the climate map of Pakistan : which part of the country is warmer?

42. ## Social studies

In which provinces will you find the western highlands? This is about Pakistan.

How does the growth of the world's population today compare with its growth 100 years ago? Explain why the changes have taken place. My essay: Today's world population growth compared to the population growth 100 years ago is a big, big difference. The

44. ## Math

Whars 189.80. Times 6.25% less 33 1/3 % Is it 189.80 + 11.86 = 201.66 - 67.22 = \$134..44

45. ## rehobeth

maximum for p=6x+2y

46. ## p e

Which of the following is not a sign of psychotherapy? A. insight B. cognitive C. medications

asked by somebody help i am new
47. ## physics

216J if energy is required to raise the temperature of aluminium from 15 degrees Celsius to 35 degrees Celsius. Calculate the mass of the aluminium. My work I keep getting 0.012 but it is not right I know the formula is Q= m x C x T

asked by Jiskha help
48. ## math

Josh has been running for 6 min and completes a lap in 7 min. Gabe has been running for 2 min and completes a lap in 9 min. How many more laps must Josh and Gabe complete to have run the same amount of time?

49. ## English

Is this a good thesis statement? Europe's forests affect economic activity and the housing industry.

50. ## Science 8 - Check Answers

Please Check Answers. 4. When a fan is turned on, it changes electrical energy into ______ energy. A. motion * B. magnetic C. gravitational D. electromagnet 5. An experiment discovered that a particular material was a poor conductor of electricity. This

51. ## physics

How much heat must be added to 20 grams of water at 100 degrees Celsius to convert it to steam? My work Q = (20)(4.18 x 10^3)(100) = 8360000 J Is that the correct answer?

asked by Jiskha help
52. ## Pre-Calc/Trig

What are the polynomial names for these functions. 1.) m(x)=x+x^2-1 2.) d(x)=x+ 3.14 3.) 2-6x^2+11x^3

53. ## Social studies

rights of women, human rights,and special persons are radio programmes Give me answer in true and false

54. ## MATH!!!

A function machince accepts inputs as ordered pairs. The componeys of the ordered pairs are natural numbers and the first componet is the length of the rectangle and the second componet is the width. the given machince comptes the perimeter ( the distance

55. ## Social studies

Five names of radio programmes in Pakistan ?

56. ## Social studies

Five names of tv programmes in Pakistan ?

57. ## physics

a boom 4.7 meters,10000 kg, 20 degree angle, find torqe on the pivot i fond force=10000x9.81= 98100 N perpindiclar force = 33552 N torqe = 4.7x33552 = 167695 Nm i am told this is wrong

58. ## Science

Fill in the blank... 1. ------ digestion occurs in the small intestine through the action of enzymes. 2. ------ can cause infections by injecting the DNA or RNA into hosts 3. The human immune system produces ------- in response to a vaccine, which later

asked by Just a friend ;-)
59. ## math

TWO PARTS: 1)Derrick's garden is 18 1/2 feet long. He plants bulbs 3/8 of a foot apart. How many bulbs can Derrick plant in one row? 2)Derrick plants three rows of bulbs that cost \$0.79 each. How much does he spend on bulbs? Thank You!!

60. ## math

Yin's cellphone plan costs \$30 a month. She used 12.5 hours in May. About how many calls did Yin make in May? THANK YOU!

61. ## Astronomy

How long does it take a protostar with one solar mass to become a main sequence star? 1 or 3 or 10 or 30 or 100 million years?

62. ## Health And Physical Ed

The best thing to put on severe sunburn to help relieve the pain is>

63. ## Pre-Calc/Trig

Identify the asymptotes, removable discontinuities, and intercepts for the graph of the function. d(x)=(x^2-12x+20)/3x

Three masses are connected by a string. M1 = 1.0kg M2 = 2.0kg M3 = 3.0kg Mass one and two are on a table while mass three hangs off the edge of the table (there is a pulley). Find the tension in the string connecting m1 and m2. Assume the table is

65. ## Math CHECK!

5 / 1 -sin theta + 5/ 1 - sin theta the correct answer is 25 / cos^2 theta or 10 / cos^2 theta

66. ## HEALTH

1. during the exchange of air in your lungs, oxygen is being taken into your bloodstream while this substance is being released microorganisms** carbon dioxide plasma mucus 2. the gas exchange of oxygen to the bloodstream takes place in what part of

67. ## Math

sin theta = 8/17 and theta is in the second quadrant. Find sin(2theta),cos(2theta),tan(2theta) exactly sin(2theta) cos(2theta) tan(2theta)

68. ## Jiskha explanation from DrBob222

1. This is a homework help site, not a homework do site; i.e., our objective on this site is to help students understand a concept so they may work through a problem. That is to say that we USUALLY do NOT provide direct answers. 2. Most of us volunteers

asked by Ms. Sue
69. ## Math

Find the probability of getting at least one tail when tossing 4 fair coins. Round to three decimal

asked by Sam Ali
70. ## algebra

The area of a rectangle formula is A = lw. Suppose that the width is 5 less than the length. Express area as a function of the width.

71. ## math

x + 5 = 9sin theta, 0 < theta < pi/2 , cos(2theta) in terms of x cos(2 theta)

asked by Samantha King
72. ## math

A small rug is 36 inches long. Its width is 2/3 of its length. What is the width of the rug in feet? THANK YOU!

73. ## Math Please Assist

Solve exactly for x: sin^3 x + sin x cos^2 x = cos x If 0 degrees

74. ## SS

What are some examples of economic activities that may not be present in a peninsula?

75. ## Math

Hi! So I did this world problem and I got the answer "4194 units" (which is right) however, it says to round my answer to the nearest whole unit. How do I do that? Thanks!

76. ## French

Please check this sentence: Un sport la fille n'aime pas est nager.

77. ## Math

This one confused me since it revolved around what seemed like dividing trig function by another function Write the following expression in terms of the tangent function 2 / ((cos(r^2 - s^2) / (sin(r^2 - s^2)) = ? I know tan t = sin t / cos t. So would I

78. ## Juvenile Justice

Why is the military style of juvenile boot camps so popular? A. It projects the image of getting tough with juvenile crime. B. It contributes to the overall evaluation of juvenile boot camps, which is extremely positive. C. It helps boot camps to be

79. ## Pre-Calculus

Use a graphing calculator to write a polynomial function to model this set of data {(5,2) (7,5) (8,6) (10,4) (11, -1) (12 -3) (15,5) (16,9)} A) f(x) = 2x3 + 2.70x2 + 0.09x - 65.21 B) f(x) = 2x3 - 0.09x - 65.21 C) f(x) = 0.09x3 - 2.70x2 + 24.63x - 65.21 D)

80. ## programming c++

write a simple c++ application that displays different varieties of meal. the application must do the following; I. allow a user to choose a meal, ii. prompt the user of the choice made, iii. display the cost of the food.

81. ## Juvenile Justice

Studies show that early association with deviant peers is especially prevalent among youth who are from dysfunctional families that: A. provide little supervision or monitoring. B. are single-parent households. C. have at least one domineering parent. D.

82. ## Chemistry

What is the minimum amount of 6.0M H2SO4 necessary to produce 19.0g of H2(g) according to the reaction? 2Al(s)+3H2SO4(aq)→Al2(SO4)3(aq)+3H2(g)

83. ## Statistics

Suppose that the probability that a new medication will cause a bad side effect is 0.03. If this medication is given to 150 people, what is the probability that more than three of them will experience a bad side effect?

84. ## Math

sin theta = 8/17 and theta is in the second quadrant. Find sin(2theta),cos(2theta),tan(2theta) exactly sin(2theta) cos(2theta) tan(2theta) sin(2theta) would it be 2 x (8/17) cos(2theta) would be 2 x (15/17) tan(2theta) would be 2 x (8/17 divided by 15/17)

85. ## english

How would you form a superlative for the adverb widely? A. Add the word less B. Add the word most C. Remove the “ly” D. Add the suffix “est”

86. ## MATH!!!

Aparent dies and leaves half of his estate to his four children. THE FIRST ONE GETS 1/2 OF THE ESTte the second gets 1/8 and the thrid one gets 1/4 . how much did the fourth on get?

87. ## physics

using 6400 km as the radius of earth, calculate how high above earth's surface you would have to be in order to weigh 1/16th of your current weight.

88. ## math

the mass of a grain of sand is 8.7*10^-8 write the nurmeral in secentence in standard form.

89. ## MATH

put in order from largest to smallest 0.54, 0.60686, 0.5065

90. ## algebra

A contestant on a game show must guess the price of a new car. The contestant will win if his guess is within \$1000 of the price of the car. If the price of the car is \$24,995 and the contestant's guess is represented by g, what absolute value inequality

91. ## science

which of the following different when comparing the deep ocean to the intertidal zone

92. ## Chemistry

A 0.327 g sample of a mixture of NaOH(s) and NaCl(s) requires 31.5 mL of 0.150 M HCl(aq) to react with all the NaOH(s). What is the mass percentage of the NaOH(s) in the mixture?

93. ## Math Help

The number of bacteria present in a culture is given by the following model B=1000e^0.276t; where t= time in minutes. Find the time required to have 6000 bacteria present. Then, round your answer to the nearest tenth of a minute.

94. ## geomerty

how to find the distance between each pair of points (0,3)and (3,-5)

95. ## math

how high is a tree that cast a 36ft shadow at the time a 12ft post cast a shadow which is 12 ft. how high is the tree hight

96. ## Math

convert the repeating decimal to a/b where a,b are integers and b #0.

97. ## math

square root in the form a aroot b, were a and b are intergers and a and b has the least value root 24.

98. ## Physics

The graph shows the temperature versus time relationship for 2 kg of particular substance. The substance is in the solid state at a room temperature of 20 degrees Celsius. - The 100 joules of heat is needed to completely change the substance from a solid

99. ## math

sales tax is 8.2 percent find the sales taxes on a purchase of 273.00.

100. ## Algebra

Find the leading coefficeint in the polynomial -3(x^4-x^3+x)+7(x^4+2)-4(2x^4+2x^2+1) after it is simplified. I got this -3x^4+3x^2-3x+7x^4+14-8x^4-8x^2-4 and I simplified it to -4x^4-5x^2+10 so what would the leading coeffiecient be -4?

asked by Trish Goal
101. ## Algebra

Suppose f is a polynomial such that f(0)=47, f(1)=32,f(2)=-13, and f(3)=16. what is the sum of the coefficients of f?

asked by Trish Goal
102. ## math

Show how to make one addend the tens number. Problem: 22+49= 71 new problem.

103. ## math

what is 4 to the negative 2 times 2 to the 0. my options are 8 16 1/16 -64 I think it is 16.

104. ## physics

135.2 J of heat energy are transferred to 24.75 g of mercury. By how much does the temperature increase? (in K) Specific heat of the mercury is 140 J/kg·°C. How much heat is needed to raise the temperature of 24.75 g of water by the same amount? Specific

105. ## MATH

write the following square root in the form a over sq root b, where a and b are intergers and b has the least value possible root 63 =

106. ## Algebra

Find t if the expansion of the product of x^3-4x^2+2x-5 and x^2+tx-7 has no x^2 term.

asked by Trish Goal
107. ## Coordinates Help asap?

Triangle ABC has coordinates A(1, 4); B(3, –2); and C(4, 2). Find the coordinates of the image A'B'C' after a reflection over the x-axis. (3 point) Are these right? If not can you help solve step by step??

108. ## math

The average height of 3 students is 68 inches. If 2 of the students have heights of 70 inches and 72 inches respectively, thenw hat is the height (in inches) of the third student?

109. ## Physics

The graph shows the temperature versus time relationship for 2kg of particular substance. The substance is in the solid state at a temperature of 20 degrees Celsius b) If 200 joules of heat is added during the time interval B(20 degrees Celsius) to C(80

110. ## English

How does Hamlin Garland's "The Return of a Private" exemplify the characteristics of regionalism?

111. ## MATH

The average of 30 numbers is 65. If one of these numbers is 65, the sum of the remaining number is... A.65*64 B.30.64 C.29*30 D. 29*64 E. 29 *65 Is it A?? If not, can you explain

112. ## physics

A child pulls a 13 kg sled across the snow at a constant 1.6 m/s [N] applying a force of 51 N [N 25 deg U]. How much work have they done after pulling for 44 m? Round answers to the nearest whole number. m=13kg Vcon=1.6m/s F=51N d=44 cos theta=25

113. ## Math Help!

Sometimes scale drawings are shown on graph paper. Each square on this graph paper is 1/4 inch, Use the scale drawing of the living room to answer each question. What is the lenth of the fireplace in inches? The fireplace has 5 squares. A. 90 inches B. 45

114. ## English - grammar

I need my sentence to be past tense third person. I know my main verb 'caused' is past tense, but the 'prime acting citizens' phrase is confusing me since 'acting' ends in 'ing', which is not past tense. Do I need to change it to make it past tense? Rules

115. ## Math

Simplify (27t^2)^2/3

116. ## Math

What is an interquartile range? What is a mean absolute deviation?

117. ## science Help 911!!

In a water molecule, two atoms of hydrogen and one atom of oxygen share electrons. A bond is found in a water molecule. A. ionic bond B. Covalent bond C. chemical bond D. isotope Is the answer B?

118. ## college algebra

Find Functions with Given Zeros √2, -√2, 3

119. ## science Help 911!!

Sodium chloride is formed when atoms lose and gain electrons. Carbon monoxide is formed when atoms share electrons. In both substances, atoms are held together by? A. Ionic bond B. chemical bond C. atomic mass D. proton Is the answer D? Your grandson can

120. ## Science - Maps and Computers - Please Check

Please help me with the following: A single ocean color satellite can collect how many data points? A. 2,000 B. 2,000,000 C. 20,000 D. 2,000,000,000 I know the answer is not D, because I got it wrong. I think the answer is mostly A, but I also think it is

121. ## Math

Simplify (16x^8)^-3/4 1) 16^-3/4*(x^8)^-3/4 2) -12*x^-6 3) -12*1/x^6 4) -12/x^6 Which step is incorrect? Please help!!

122. ## math

Find the inverse of f(x) f(x)=3-1/2x

123. ## Spanish

Sra. do these look correct? ¿Cuánto tiempo hace que…? Conteste las preguntas utilizando frases completas en español. 1) ¿Cuánto tiempo hace que has escrito una carta a mano? ¿A quién la escribiste y por qué? Hace tres meses que he escrito una

124. ## science Help 911!!

One way the modern atomic model differs from Thompson's atomic model is that electrons are no longer scattered throughout an atoms positive matter like chocolate chips in cookie dough. Instead, each electron is outside of the nucleus occupying a

125. ## math

(2+3i) / (4-2i)

126. ## Art Help!

How is this artistic creation an example of a combination of art and science? It is a picture of an oragomi shrimp made out of brown paper with black eyes. A. It is a creative sculpture of a shrimp. B. It is not anatomically correct. C. It is made with

127. ## science Help 911!!

If new information about the behavior of atoms is discovered and verified, then revisions will need to be made to the current? A. atomic theory B. atomic model C. atomic number D. carbon cycle Is the answer A?

128. ## Art Help!

How can art help the science of conservation? A. by encouraging people to buy new products B. by educating people on the importance of recycling C. by creating new careers for people D. by telling people to use more materials. Is the answer B?

129. ## grammar

he (drink, drank, drunk) all the ice tea.

130. ## L.A.Help!!!!!!

What is the authors main purpose in "Why Leaves Turn Color in the Fall"? A. She wants to persuade readers to stop pollution. B. She wants to inform readers of scientific facts about autumn leaves. C. She wants to explain the origin of macabre fall

131. ## Science Help!

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

132. ## math

Find the inverse f(x)= -2+7

133. ## Science Help!

Which chemical equation shows that no atoms are lost during a chemical reaction? A. 8Fe+s8-->Fe5 B. 8Fe+8S8--> 8FeS C. Fe+8S8--->FeS D. 8Fe+S8--->8FeS Is the answer A?

134. ## L.A.Help!!!!!!

Which sentence is a main idea of "Why Leaves Turn Color in the Fall"? A. Leaves stop making chlorophyll add summer ends. B. Leaves reflect the colors of corn, pumpkins, and cranberries in the fall. C. Photosynthesis begins in the fall. D. Longer days and

135. ## Science

In what ways is Bohr's model of the atom similar to and different from Thomson's model?

136. ## math

a city is served by two newspapers-the Tribune and the Daily News. Each Sunday a reader purchases one of the newspapers at a stand. The following transition matrix contains the probabilities of a customers buying a particular newspaper in a week given the

137. ## Science Help!

Which sequence of processes must occur for an atom of carbon to go from a human to a car? A. Respiration, photosynthesis, decompiosition B. Fossilization, decomposition, respiration C. Photosynthesis, combustion, respiration D. Respiration, fossilzation,

138. ## L.A.Help!!!!!!

Why does the author organize"The Seasons Curmudgeon Sees the Light,"as she does? By Mary C. Curtis A. to contrast fall weddings and song with spring weddings and song. B. to contrast reading with gardening. C. to show her feelings about spring have

139. ## physics

A 50.0 g sample of lead starts at 22 degrees Celsius and is heated until it absorbs 8.7 X 10^2 of energy. Find the final temperature of the lead

140. ## physics

consider the 666 N weight held by two cables shown below. The left hand cable and tension 530 N and makes an angle of theta2 with the ceiling. The right hand cable had tension 390 N and makes an angle of theta1 with the ceiling. What is the angle theta1

141. ## Science Help!

A student made a list of reactions: Fireworks exploding Paper burning Cellular respiration How should the student title his or her list A. Double replacment reactions B. Single replacement reactions C. Endothermic reations D. Exothermic reations Is the

142. ## science Help 911!!

Which of the following would likely be part of an ionic bond? Choose two that would apply. A.K+1 B.Cl2 C.F-1 D.Ne Are the answers B,D?

143. ## chem

A 20.0% (w/w) aqueous solution of NaOH has a density of 1.125 g/cm^3. What is the molarity (M) of this solution?

144. ## Science Help!

Which of the following demonstrates that reactants and profucts are chemically different? A. Zn+2HCI-->2HCI+Zn B. Zn+2HCI-->H2+ZnCI2 C. H2O+C4H10-->H2O+C4H1 D. C4H10+H2O-->C4H10+H2O Is the answer C?

145. ## Algebra

There is a polynomial which, when multiplied by x^2+2x+3, gives 2x^5+3x^4+8x^3+8x^2+18x+9. What is the polynomial?

asked by Trish Goal
146. ## Algebra

The polynomial f(x) has degree 3. If f(-1)=15, f(0)=0, f(1)=-5, f(2)=12, then what are the x-intercepts of the graph of f?

asked by Trish Goal
147. ## Science Help!

Lisa studied the models of three carbon nuclei shown below. She listed information about the carbon nuclei in a table. Name Carbon 12 number of protons 6 number of neutrons 6. Name Carbon 13 number of protons 6 number of neutrons 7. Name Carbon 14 number

148. ## Art History

Which civilization had the most fortifications? A. Cycladic B. Minoan C. Mycenaean D. Harappan I think it's C.

149. ## Science Help!

The arrows in the image show the direction in which carbon is moving. Which proces of the carbon cycle is indicated? The picture is of a wolf going after a bunny there is a building in the back with black smoke coming out of it and the arrows are point to

150. ## Chemistry

How many electrons can be described by the quantum numbers n = 2, l = 1, ml = -1? a.) 2 b.) 14 c.) 6 d.) 10 e.) 0 I thought it was 6 but here's my reasoning n = 2 energy levels l = 1 (p orbital) ml = -1 (I don't think this is relevant to the question?)

151. ## chemistry

Assuming 100% dissociation, calculate the freezing point and boiling point of 0.700 mol of AgNO3 in 1.00 kg of water.

152. ## science Help 911!!

You are creating a carbon cycle poster. Which object could you add to the image as another example of combustion of fossil fuels? A. the sun B.a buzzard eating a dead animal C.a person driving a car D.a scientists digging up fossils The picture shows a

153. ## Science Help!

Which of the following is true about the atom shown Choose two that apply. The picture shows one big red one in the middle with one blue ring on the outside that had 2 smaller red ones, and another blue ring outside of the first blue ring that had 8

154. ## Math

What is 8 and 2 over 20 minus 6 and 8 over 20 8 2 - 20 8=? 2=? 20=?

155. ## Art History

In the Doric order, which of the following are alternating panels in the frieze, which are sometimes sculpted? A. Metopes B. Triglyphs C. Palmettes D. Volutes My textbook says it's A and B. So I am really confused on this one.

156. ## US History

In regards to decisions affecting foreign policy, how did Jefferson’s actions as President validate or contradict his philosophical views as a Democratic-Republican?

157. ## chemistry (AP)

The heat of neutralization of HCl (aq) by NaOH is -55.9Kj/mol H2) produced. If 50ml of 1.6M NaOH at 25.15 celsius is added to 25ml of 1.79M HCl at 26.34 celsius in a plastic foam cup calorimeter, what will be solution temperature be immediately after the

158. ## physical

help the positions of two particles A and B are P1 (3,4) in meters and P2 ( -3, -4 ) meters respectively. Meters the position A with respect to B is:

159. ## Science

In what ways is Bohr's model of the atom similar to and different from Thomson's model? I still need someone to help me.. I don't know the similarities and differences..

160. ## Calculus

The maker of an automobile advertises that it takes 11 seconds to accelerate from 15 kilometers per hour to 90 kilometers per hour. Assuming constant acceleration, compute the following. What is the distance the car travels during the 11 seconds (Round

161. ## Math Help Respond To @Steve

So for this question: The number of bacteria present in a culture is given by the following model B=1000e^0.276t; where t= time in minutes. Find the time required to have 6000 bacteria present. Then, round your answer to the nearest tenth of a minute;

162. ## Math

Condense the expression to the logarithm of a single quantity. 5lnx-6ln(x+2)

163. ## English

Give your mom a day off. ------------------------- In this sentence,is 'a day off' a noun phrase? Or is 'a day off' is made up of an article, a noun and an adverb?

164. ## SCIENCE

PROJECT FILE ON POLLUTION

165. ## English

1. Tired, he went to bed earlier. 2. Being tired, he went to bed earlier. 3. As he was tired, he went to bed earlier. (Are they all grammatical?) 4. As it was sunny, we went on a picnic. 5. It being sunny, we went on a picnic. 6. It sunny, we went on a

166. ## Chemistry

What is the molarity of a solution prepared by dissolving 820. g of sodium phosphate, Na3PO4, in water and diluting to 2.89 liters? (atomic masses: Na = 22.99, P = 30.97, O = 16.00)

167. ## English

1. The hospital is for certain people. 2. He has a certain problem. 3. He has a sure problem. 4. He is certain that the boy is diligent. -------------------------- Are they all grammatical? The meaning of 'certain' seems to be different. Does #2 mean #3?

168. ## statistics

I do not understand this. Can you please explain it to me and how I am suppose to get the answer? Find the probability that a data value picked at random from a normally distributed population will have a standard score that corresponds to the following:

169. ## English

1. Even if the sun were to rise in the west, I would never change my mind. 2. Even though the sun were to rise in the west, I would never change my mind. 3. Even if the sun were to rise in the west, I will never change my mind. 4. Even if the sun were to

170. ## Physics

Determine the moment of inertia for three children weighing 64.0 lb, 44.0 lb and 83 lb sitting at different points on the edge of a rotating merry-go-round, which has a radius of 12 ft.

171. ## Physics

A force, F = (6x̂ + 7y hat) N, is applied to an object at a point whose position vector with respect to the pivot point is r = (7x̂ + 7y hat + 7ẑ) m. Calculate the torque created by the force about that pivot point.

172. ## finance

the joseph company has a stock issue that pays a fixed dividend of 3.00 per share annually. Investors believe the normal rik-free rate is 4 percent and that this stock is 14 percent,and that this stock should have a risk premium of 6 percent

173. ## Physics

The speed of a transverse wave on a stretched string can be changed by adjusting the tension of the string. A stationary wave pattern is set up on a stretched string using an oscillator set at a frequency of 650 Hz. How must the wave be changed to maintain