# Questions Asked onJanuary 10, 2013

1. ## Pre-Calculus

Driving down Bald Mountain in Wyoming, Bob dean finds that he descends 1600 feet in elevation by the time he is 2.5 miles (horizontally) away from the high point on the mountain road. Find the slope of his descent (Hint: 1 mile = 5280 feet) After

2. ## Physics

A 75.0kg bobsled is pushed along a horizontal surface by two athletes. After the bobsled is pushed a distance of 4.5m starting from the rest, its speed is 6.0m/s. Find the magnitude of the net force on the bobsled.

3. ## Physics

An electron with a horizontal speed of 4.0 * 10^6 m/s and no vertical component of velocity passes through two horizontal parallel plates. The magnitude of the electric field between the plates is 150 n/c the plates are 6.0 long A) calculate the vertical

4. ## trigonometry

A ship sails 15.0 mi on a course S40°10’W and then 21.0 mi on a course N28°20’W. Find the distance and direction of the last position from the first.

5. ## Math

Write a ratio for the situation in three ways, comparing the first quantity to the second quantity. A zoo has 19 monkeys and 10 chimpanzees. 19 to 10, 19:10, (This) 10 to 29, 10:29, 19 to 29, 19:29, 10 to 19, 10:19, Write three ratios equal to 5/40. 2/14,

6. ## Math

Find the cost of erecting a fence around a squar field, whose area is 729 hectares at the rate of Rs.1.50 per metre. (1 hectare=10000m2)

7. ## chemistry

Calculate the density of M&M’s given the following data: Mass of 250.0 mL beaker = 197.816 g Mass of beaker and 20 M&M’s = 342.816 g Volume of water in graduated cylinder = 8.0 mL Volume of water in graduated cylinder and 10 M&M’s = 18.5 mL (Points :

8. ## physics

You generate a wave in a spring, stretched out on the floor, by oscillating your hand back and forth at a frequency of 1.6 Hz. The wave has a 1.5-m wavelength. If the wave takes 2.9 s to travel to the other end of the spring and back to your hand, what is

9. ## Medical billing and coding

Which of the following statements are true regarding Medicaid? A) Requirements are the same from state to state B)It is administered by state and local governments. C)It is only for those over 65 D)It is administered by the federal government

10. ## Social Studies

How big is japan compared to California? A. Half as large with twice the population B.Twice as large, with half the population C.About the same size with four times the population D. four times as large, with about the same population

asked by T.J And the Vibe
11. ## math

jordan has a bag that contains 246 marbles. there are 51 brown marbles and 195 gray marbles. estimate the percent of the brown marblesin the bag.

The reaction between hydrogen and chlorine gases gives hydrogen chloride gas in the following reaction: H2(g) + Cl2(g) = 2HCl(g) It is found experimentally that 1 mole of H2 gas reacts with 1 mole of Cl2 gas at constant temperature and pressure, to release

Part 1: A rectangular box is 2 inches high, 3.5 inches wide amd 4 inches long. A cyliner box is 3.5 inches high and has a diameter of 3.2 inches. Use 3.14 for pi. Round to the nearest tenth. Part 2: whWhich box has a larger volume. How much bigger is the

14. ## math

A tree casts a shadow 7.5 ft. long at the same time that a woman 5 ft. tall casts a shadow 3 ft. long. How tall is the tree?

15. ## math

Divide 7 by 0.27 and write the answer rounded to the nearest whole number

16. ## Physics

An electron with a horizontal speed of 4.0 * 10^6 m/s an no vertical component of velocity passes through two horizontal plates. The magnitude of the electric field between the plates is 150 n/c. The

17. ## Geometry

Find the area of a segment formed by a chord 8" long in a circle with radius of 8".

18. ## math

80,000,000 in standard form?

19. ## math

A drivers distance varies directly as the amount of time traveled. After six hours, a driver had traveled 390 miles. How far had the driver traveled after 4 hours?

Which expression represents the largest number? A. 40.1 x 10–6 B. 4.1 x 10–7 C. 0.411 x 10–7 D. 0.04001 x 10–5 I think it is B..?

21. ## Civics

In every stage of these oppressions we have petitioned for redress in the most humble terms: our repeated petitions have been answered only by repeated injury. Which of the following statements best explains this quote from the Declaration of Independence?

22. ## physics

A 2.2 kg rock initially at rest loses 412 J of potential energy while falling to the ground. Assume that air resistance is negligible. Calculate the kinetic energy that the rock gains while falling. What is the rock's speed just before it strikes the

23. ## MATH

Describe how to transform the graph of f into the graph of g. f(x)=2^x and g(x)=2^x-3

24. ## trigonometry

A ship at A is to sail to C, 56km north and 258km east of A. After sailing N25°10’E for 120mi to P, the ship is headed toward C. Find the distance of P from C and the required course to mean C.

25. ## history

Thomas Jefferson was the primary author for which of the following? (4 points) the Bill of Rights the Constitution the Judiciary Act of 1801 the Declaration of Independence

26. ## 7th grade social studies ms sue last question

9. Many people in developing nations get their food by practicing (2 points) subsistence farming. commercial farming. mechanized farming. developing farming. is the answer "subsistence farming"?

27. ## sciencwe

rosa boat is padding upstream at 1.25 m/sec. and the water in the river is flowing at .50 m/sec to the banks of the river. calculate the resultant velocity

28. ## Math help

Which of the following statements is NOT true regarding an expression written in scientific notation in the form of a x 10n ? A.)The value of a must be greater than or equal to 1 and smaller than 10. B.)The value of n must be an integer. C.)Doubling n

29. ## math

Evaluate: x+y/xy if x=1/8 and y=1/3

30. ## Math I REALLY NEED HELP!!!!!!!!!

A refrigerator has inside measuremnets of 50 cm by 118 cm by 44 cm. What is the capacity of the refrigerator?

31. ## Economics

how did the wizard of oz(the movie) relate to the social and economic texture of america?

32. ## Math

The diameter of a lead pipe is measured to be 2.40 cm and you are asked to convert to units of inches. Which of the following conversion factors can you use to solve this problem? 12 in = 1 ft 100 cm = 1 m 3 ft = 1 yd Two of the these ?>None of these

33. ## math

what is the range of this data 36 75 63 49 83 46 54 79 ?

34. ## chemistry hellllllllllllllllllp

Oxidising and reduction- Chemistry? Oxidation and reduction can be described as the loss and/or gain of electrons from an ion or atom (species) in a chemical reaction. For the following aqueous reaction, select the species that is oxidized and similarly

35. ## Chemistry

solid sodium reacts violently with water, producing heat, hydrogen gas, and sodium hydroxide. how many molecules of hydrogen gas are formed when 48.7 g of sodium are added to water? 2Na + 2H2O ------> 2NaOH + H2

36. ## math

I asked this question but no one answered it. Can someone please help explain this before I have my math test today. THANKS. A carpenter has several boards of equal length. He cuts 3/5 of each board. After cutting the boards the carpenter noticies he has

37. ## chemistry

what is the balanced equation for the reaction of potassium dichromate and potassium hydrogen phthalate?

38. ## math

Solve 2.5c=0.125

39. ## Algebra

A combination lock has 10 dials. To open the lock, you must turn the dial right to the first number, left to the second number. What is the probability that you choose the correct combination?

40. ## math

Six hundred ninety four ten thousandths is how much more than fifty seven thousandths write the answer in words

41. ## Math

A square has a perimeter of 68cm. Find the area of the square.

42. ## math

Justin worked for 7 hours and earned 38.50. How much did he earn per hour

43. ## math

Write eight hundred thousandths in scientific notation

44. ## Physics

A 25.2-kg object is moving rightward across a horizontal surface with a speed of 14.3 m/s The coefficient of friction between the object and the surface is 0.490.

45. ## floral design

Floral designers take care not to purchase flowers with A. insufficient fragance. B. unopened buds. C. excessive fragrance. D. bruised petals.

46. ## Spenser's Amoretti Sonnet #75 Question

Here's the sonnet: One day I wrote her name upon the strand, But came the waves and washed it away: Agayne I wrote it with a second hand, But came the tyde, and made my paynes his pray. 5 Vayne man, sayd she, that doest in vaine assay, A mortall thing so

47. ## chemistry??

Oxidising and reduction- Chemistry? Oxidation and reduction can be described as the loss and/or gain of electrons from an ion or atom (species) in a chemical reaction. For thefollowing aqueous reaction, select the species that is oxidized and similarly the

48. ## floral design

Which one of the following statements about standard foam is true? A. Once a foam brick is soaked, no additional water can be added to the container. B. A foam brick can't stand any higher than its container. C. The water it holds doesn't evaporate

49. ## chemistry

alternative reaction for acrylic acid and analyzing reaction for finding gross profit

50. ## 5 th grade math

Gracie read 150 pages of a book. The is 227 pages long. Which equation shows the amount she still needs to read to finish the story? A.150-n=227, B. 227+150=n, C.n-150=227, D.n+150=227

51. ## Science

Compare the nature greenhouse effect process with the human induced. 2. What are the greenhouse gases? Which one is the biggest concern? 3. What are scientists doing to collect data? 4. What role does the carbon cycle play in this problem? 5. What are the

52. ## Math

The diameter of a lead pipe is measured to be 2.40 cm and you are asked to convert to units of inches. Which of the following conversion factors can you use to solve this problem? 12 in = 1 ft 100 cm = 1 m 3 ft = 1 yd Two of the these ?>None of these

53. ## english

The defendant stated that she was, "not guilty."

54. ## Math

Solve 2/3(6x+30) = x+5(x+4)-2x and please show me the steps?

55. ## chemistry

What volume of oxygen at s.t.p is required for the complete combustion of methane according to the following equation. CH4 2O2= CO2 2H2O

56. ## Computer

Your brother is going to serve in the military overseas for four years and asks you about storing his desktop computer in a public storage facility while he is away. The storage units are not temperature controlled. What could be the negative impact of

57. ## Math

Perform the indicated operations. Reduce the answers to lowest terms.... 1.) 7 3/5 + 2 4/7 = _______________ 2.) 8 5/9 + 15 5/6 =________________ 3.) 14 5/10 + 8 3/5 = ________________ 4.) 5/6 x 3/4 = _____________________ Reduce each fraction to lowest

58. ## math

How far will a migrating duck fly in 7 hours at an average speed of 21 miles per hour

59. ## Math

Write the sum show the make a ten fact you used

In the rectangle in the drawing, a charge is to be placed at the empty corner to make the net force on the charge at corner A point along the vertical direction. What charge (magnitude and algebraic sign) must be placed at the empty corner?

61. ## floral design

A professional floral designer should develop _______ skills.

62. ## chemistry

Strontium-90 decays through the emission of beta particles. It has a half-life of 29 years. How long does it take for 80% of a sample of strontium-90 to decay? Show process of how you got this

63. ## math

Justin worked for 7 hours and earned \$38.50. How much did he earn per hour

64. ## algebra

-A store sells 28 ounces of peanut butter for \$2.24. The store also sells 32 ounces of the same peanut butter for \$2.40. Which is a better buy?

65. ## Chemistry

What is the equation to show that boiling is a cooling process?

Compounds like CCl2F2 are known as chlorofluorocarbons, or CFCs. These compounds were once widely used as refrigerants but are now being replaced by compounds that are believed to be less harmful to the environment. The heat of vaporization of CCl2F2 is

67. ## Physics

A golf ball has a mass of 0.05 kg and acquires a speed of 80.0 m/s when hit with a force of 3000 N. how long was the club in contact with the golf ball?

what does reseach show about the child;s relationship with the primary parental figure when the child has additional attachments to other people?

69. ## Chemistry

Find the total number of calories needed to change 23.0 g of ice at -34.0C to steam at 222.0C

70. ## math

Three sevenths of the possible outcomes were favorable, while the rest of the possible outcomes were unfavorable. (a) what fraction of the possible outcomes were unfavorable? (b) what was the ratio of favorable to unfavorable outcomes?

71. ## math

what is the range of this data 36 75 63 49 83 46 54 79 ?

72. ## science

Calculate the pH at 0, 10, 90, 100 & 110% titration for the titration of 50.0ml of 0.1M HCl with 0.10M NaOH?

73. ## Chemistry

How do you demonstrate that fog, clouds,and steam are liquid droplets and not water vapor?

74. ## US History

Describe the 2 theories of how people first came to the Americas:

75. ## Math

If 1ft = .3048m then 2 ft. per min. is equal to how many meters per hour?

76. ## history

Which Founding Father was selected as president of the Second Continental Congress? (4 points) John Adams Samuel Adams Benjamin Franklin John Hancock

77. ## mathematical statistics

Suppose a_n∈ [0,1] and X_n is a sequence of i.i.d random variables with p.d.f : p(X_n=1)= p(X_n= -1)=0.5 . ∑_(n=1)^∞▒a_n X_n is convergent with probability 1, is ∑_(n=1)^∞▒a_n^2 convergent?

78. ## mathematical statistics

Suppose X_n is a sequence of independent Bernoulli random variables and p(X_n=1)=p_n. If Y=∑_(n=1)^∞▒X_n is convergent with probability 1 ,is E(Y) convergent?

79. ## math

arista found a sale on skates. she got 1/5 off the regular price of \$34.50. What was the sale price of her skates?

80. ## math 2

beginning on.the first day of school ,mr. jones,gives his,son a,turkey sandwich for lunch every 6 days,and a banana with his lunch every 4 days. in how many days will mr. jones again give his son both a turkey sandwich and a banana for lunch?

81. ## Algebra

IF Tony earned \$600 after investing \$3,000 for five years, what was his interest rate?

82. ## probability

find an example for random variables X,X',Y,Y' with the following characteristics: a)X and X' have the same distribution b)X+Y and X'+Y' have the same distribution c)Y and Y' do not have the same ditribution

83. ## math

Write eight hundred thousandths in scientificnotation

84. ## science

how many different kinds of climate zone are shown in the map

85. ## maths

Rudransh has a piece of cardboard in shape of a quadrilateral. He cuts it into two triangles such that angles formed at the vertices are bisected. He wants to find out whether the two triangles are congruent or not

86. ## Math

If y varies directly as x and y=3 when x=10, find x when y=8? Can you please show me step by step solution for this problem?

87. ## Math -3

How do I write a mixed number fractions greater than 1. 6/5 13/5 9/5 17/5 How do I solve it?

88. ## math

how much money must you deposit into an account that earns 3% monthly to have \$1000 after 4 years

89. ## math

how many 1/5's are in 1/3

90. ## math

Describe how to transform the graph of f into the graph of g. f(x)=2^x and g(x)=2^x-3 I don't know how to do this step by step :(

91. ## Economics

We created a new iPod for a scarcity project, and we can't come up with a slogan to save our lives. Help? Some of the features are picking songs based on your mood( like a mood ring) and being able to work through homework problems. It would be amazing,

92. ## science

how many different kinds of climate zone are shown in the map

93. ## Math

Jim was putting carpet in his sons tree house.He needed to find the area of the floor. But he was having trouble with the multiplication. The measurements were 4.2 meters by 6.3 meters. Do the multiplication to help him find the area

94. ## math

what does array mean

95. ## English

The space shuttle was both a marvel and huge.

96. ## physics

Spaceman Spiff's space box wights 60N. its engine exerts a +312N of force at lift-off. what is the acceleration when it lifts off

97. ## algebra

how do you write an equation for a trend line?

98. ## evaluate

ab+a+b if a=1/4 and b=1/5

99. ## Math

what is the sum of these mixed numbers? 5 2/3, 3 3/4, 13 1/6, 8 1/2. pleaseeeeeeeee helpppppppp meeeeeeeeee!!!!

100. ## math algebra 1

if a person can run 3 miles in 18 minutes and 36 seconds would take the person to run half a mile?

101. ## Monsiure's Departure by Elizabeth I question

Why might Elizabeth write a poem that blames her "care" for the failure of the relationship? I can't figure this one out, Poetry has always been tough for me. I would appreciate the help, thanks!

102. ## Math

If 1ft = .3048m then 2 ft. per min. is equal to how many meters per hour?

103. ## Science

Students wer given materials to complete a circuit to turn on one light. The materials received were 2 wires, a AA battery, and various sizes of light bulbs. What is the variable in the experiment?

104. ## science

an ant walk 4cm east get some rest and continues for another 3cm in the same direction what is the displacement traveled by the ant?

105. ## Math

Which function includes the data set (0, -1), (2, 5), (5, 14)? Can you show me how to solve this? A) 3x-1 B) 2x+4 C) 2x+1 D) x+1

106. ## Math

If (x, 3) is the solution to the equation 4x+2y=22, then what is the value of x? Can you solve it for me so i can see how you did it? a. 8 b. 6 c. 5 d. 4

2m-25cm=

108. ## floral disign

What is the most effective way for you to locate local growers to supply your design needs? A. Do an online search for local flower growers. B. Ask other flower shops. C. Visit your local farmer's market. D. Ask commercial wholesalers.

109. ## floral design

Individual leaves are usually wired by A. pierce wiring. B. line wiring. C. clutch wiring. D. insertion wiring.

110. ## history

Which three Founding Fathers were also members of the Declaration of Independence Committee? (4 points) John Hancock, John Adams, and Benjamin Franklin Thomas Jefferson, John Hancock, and Samuel Adams Thomas Jefferson, Benjamin Franklin, and John Adams

111. ## English

Choose the pronoun that correctly completes each sentence. 1. (who, whom) will the choir director choose? Is it whom?

Discuss society's tendency to fear the unknown.

113. ## Physics

An electron with a mass of 9.11 *10^31 Kg is accelerated from rest across a set if parallel plates that have a potential difference of 150 v and are separated by 0.80 cm A) determine the kinetic energy of the electron after it crosses between the plates.

114. ## chemistry

The solubility of strontium oxide, SrO, in water is 22.8 g per 100 mL at 100 °C and 0.69 g per 100 mL at 30 °C. Is the dissolving of strontium oxide in water an endothermic or exothermic process?

115. ## maths

find the equation to the straight line which passes through the point of intersection of the line 3x+4y-1=0 and 5x+8y-3=0 and is perpendicular to the line 4x-2y+3=0

116. ## math

Evaluate: ab+ a+ b if a=1/4 and b=1/5

117. ## math

4 1/4+(2 1/6-1 1/3)

118. ## math

Factor 5(x^2+4)^4 (2x)(x-2)^4+(x^2+4)^5(4)(x-2)^3

119. ## math

300 hundred kids attend a dance. The ratio of boys to girls is 6 to 4. If 30 boys and 20 girls leave, what is the new ratio of boys to girls still at the dance

120. ## Math

Ratio of pens to pencils is 3:8; What could be the total number of pens and pencils? Can you explain how do you get the answer because I am studying for my test. Thank you very much for your help.

121. ## math

a farmer plant seeds in a field that is 125 meters length and 75 meters width. The seed must receive 1 liter per square meter every day and how many liters must farmer apply to the field every day?

122. ## Algebra

3/7-n = 1/n answer for "n" Thanks

123. ## accounting

Income Statement Data: This year Last year Revenue \$150,000 \$120,000 Cost of Goods Sold \$90,000 \$60,000 Operating Income \$10,000 \$5,000 Income Tax Expense \$1,800 \$500 Based on a horizontal analysis of the data, which statement correctly identifies the

124. ## statistics

The company policy for customer service representatives gives time off for positive reviews. If, in the first 20 calls a customer service agent handles in a day, 13 or more elect to take a subsequent survey and rate the service as “excellent”, then the

125. ## history

Which answer best expresses the reasons the Second Continental Congress proposed declaring independence? (4 points) Congress was frustrated by the results of the battles at Lexington and Concord. They also wanted to reject the Olive Branch Petition.

3x/5 - x/2

127. ## maths-urgent

Rudransh has a piece of cardboard in shape of a quadrilateral. He cuts it into two triangles such that angles formed at the vertices are bisected. He wants to find out whether the two triangles are congruent or not without actually super positioning them

128. ## Algebra 1

Okay. So I am completely lost with this... Any help would be great! 3. Solve the system using any method – graphing, substitution, or linear combination. Make sure to show your work. 2x + 5y= 8 x + 3y= 2

129. ## Math

-5/8x greater than or equal to 7/12 - 5/6

130. ## Math

A line is part of a line segment True A line segment is part of a line True

131. ## history

What was the biggest challenge for the French during the Haitian Rebellion? (4 points) resupplying troops at a great distance a lack of knowledge of the regions underestimating the heat and humidity a loss of life at sea during the crossing

3x/5 - x/2

133. ## life

why arent you answering my questions but everyone elses? im offended.

134. ## Math

Factor pls show me steps thank u! (X-1)(x+2)^2-(x-1)^2(x+2)

135. ## science

Name 5 Main Chacteristics In Precambrian Time I looked in the book but I couldn't find anything

136. ## maths

8,43x8,752÷2,188

137. ## Algebra

Mary, Margaret, Ron and Nick are to share a sholarship. Ron receives 1/3 of the scholarship; Nick gets 1/4 of the scholarship; Mary receives the same as Nick, and Margaret receives \$72,000. Find each person's share in the scholarship as well as the

138. ## Math

Can 10 18/40 simplify

139. ## physic

A car driving along a highway at a speed of 15 m/s strays onto the shoulder. Evenly spaced parallel grooves called rumble strips are carved into the pavement of the shoulder. Rolling over the rumble strips causes the car's wheels to oscillate up and down

This homework question was removed due to a copyright claim submitted by Connections Education. My answers: 1. organize information. 2. enough detail. 3. Earth's tilt and orbit 4. new landforms. 5. latitude. 6. polar. 7. birth rates and death rates. 8.

141. ## physics

The mass of a string is 2.5 × 10-3 kg, and it is stretched so that the tension in it is 250 N. A transverse wave traveling on this string has a frequency of 300 Hz and a wavelength of 0.45 m. What is the length of the string?

142. ## math

you are 6 years older than your sister she is 4 years older than your brother. write expressions to show your age and your sisters age if your brother is 4 years old.

143. ## solid mensuration

: in the pyramid shown in the figure , AB=9 in ., BC= 12in ,and BD= 5 in . the three face angle at B are each 90 degree . calculate the three face angles at A and the total surface of the solid.

144. ## Pre-Algebra

Simplify the expression. Write the result using positive exponents only. (-2x^3y^-4)(5x^-1y)

145. ## chemistry

A student is asked to prepare 250.0 mL of 3.5 M copper (II) sulfate from solid copper (II) sulfate pentahydrate. Describe how this solution should be made in the chemistry laboratory.

146. ## Science

you push a 75 kg wooden box at a constant speed. the coeffiecent of kinetic friction between the box and the desk is 0.230. You pull the crate a distance of 8.75 m. How much work was done? Explain steps please//

147. ## Science

you push a 75 kg wooden box at a constant speed. the coeffiecent of kinetic friction between the box and the desk is 0.230. You pull the crate a distance of 8.75 m. How much work was done? Explain steps please//

X^4y^3-x^2y5

149. ## Math

8x^3-125 X^Y^3-X^2Y^5 Pls show me steps

150. ## algebra

jordan has two numbers that have the sum of 64. those same two numbers have a difference of 42. what are the numbers?

151. ## Help plz

Describe three issues related to role confusion that a teacher may feel or may communicate

152. ## Chemistry

I've been working on this problem for hours and cant figure it out. I know it should be simple, but I'm stuck... The question is... Describe how to prepare 1.00L of a 1.0% (w/v) NaOH from a 2.0 M NaOH. *I need to figure out how many ml of the stock

153. ## Geometry

Line segment AB has a midpoint C Help? If AC=17 and AB = 5x-6, then find the value of x A. 34 B.8 C. 23/5 D. 20 Answer: D 2. Suppose the coordinate of p=2 and PQ=8 and PR=12. Whare are the possible mid point for line segment PQ?

154. ## Geometry

Line segment AB has a midpoint C Help? If AC=17 and AB = 5x-6, then find the value of x A. 34 B.8 C. 23/5 D. 20 Answer: D 2. Suppose the coordinate of p=2 and PQ=8 and PR=12. Whare are the possible mid point for line segment PQ?

155. ## Chemistry

I have a Chemistry question which should be very simple but I do not know what significant figures are. Assuming the following numbers are measurements and using the rules for significant figures, determine the answer for the following calculation.

156. ## Geometry

Help? check Line segment AB intersects line segment ED in the middle at the point C If DC=6+x and CE=2x+1, what is the lenth of ED? A. 5 B. 11 C. 22 D. 10 Answer: C Line segment AB intersects line segment ED in the middle at the point C If DC=6+x and

157. ## math

on a map the scale is 1/2 inch=25 miles for each map distance.. so 3 inch= 8 3/4 inch=

158. ## math

find the missing number in the pattern? 2,6,18,54, ,486 choices a.152 c.162 b.156 d. 262

159. ## Risk, Loss Prvnt, Emrgncy Plan

Assess the similarities and differences between threat, risk, hazard, and peril.

160. ## physics

Does this question even make sense: A 7900 kg helicopter carrying a 1100 kg load is accelerating upwards at 1.2 m/sec squared. What is the force of air resistance pushing down on the helicopter?

161. ## Math

X^4Y^3-X^2Y^5 show steps pls briefly explain

162. ## College Algebra

Write the equation of the circle in standard form. Find the center, radius, intercepts and graph the circle. x^2+y^2+14x+18y=-81

163. ## Risk, Loss Prvnt, Emrgncy Plan

Assess why we state the impact of an adverse event in financial terms and how this impacts organizational decisions regarding risk mitigation.

164. ## chem

A 14.3 L sample of gas at 23.45°C and a pressure of 123.45 kPa is heated until its temperature reaches 43.20°C and its volume is 16.72 L. What is the pressure of the sample of gas

165. ## World history

Does anyone know where I can find a world history books to download? -Free I need to do some homework, but I don't know where my text book is at.

166. ## science

hey im doing my science homework and i really need hel fast cuz i need a discription(definition), a sentence, and a pic. for thermal expansion, exfoliation, dissolution, oxidation, and hydrolysis i would look in my text book but none of those words are in

2/10 of 15?

168. ## Math

Hannah makes necklaces. She has a box of 26 green beads, 42 yellow beads, and 10 blue beads. If Hannah grabs 1 bead without looking, what is the probability that she will select a blue bead?

169. ## Math precal

Show that ab= 1/2 [(a+b)^2 - (a^2+b^2)] Show how's its done i want to learn thank u

170. ## Computer

Your computer is running a lot of services and applications when you log on that you never use. What implications can this mean for your computer? A. Unused services and applications take up valuable hard drive space. B. Your computer uses more power than

171. ## Computer

Your computer is running very slow. The LED light for the hard drive blinks nearly continually, indicating that the hard drive is spinning even when data is not being saved or read from the hard drive. Based on this scenario, what is probably causing the

172. ## Computer

The company you work for is having financial problems and has cut your software budget for the coming year. What is a legal viable way to save money on future software purchases? A. Use the site license of another company in the same industry. B. Consider

173. ## math

A type of bacteria reproduces by splitting in two every thirty minutes. How many bacteria will there be after 4 hours if there are 2 bacteria to begin with?

174. ## math

For how many positive integers n does n! end in exactly 5 0s?

Which expression is equal to 1/8000 written in scientific notation? A.8.0 x 10to the 3rd B.1.25 x 10–4 C.125 x 10–5 D.1.25 x 10 the the 4th I think it is A..?

176. ## understanding and managing money

carmen santiago works for a number of business as a consultant. She has helped design accounting systems, provided accounting services and analyzed the finacial stregth of her clients' business. carmen is working as a

177. ## chem

A liquid that has an equilibrium vapor pressure of 129 torr at 25°C is placed into a 1-L vessel like that shown below. A few mL of the liquid is introduced into the vessel at 25°C while it has a pressure of 1.00 atm of air in it, without allowing any of

178. ## Physics

You place two charges a distance r apart. Then you double each charge and double the distance between the charges. How does the force between the two charges change? a) The new force is twice as large. b) The new force is half as large. c) The new force is

179. ## Math help

Which number is equal to 7(3.5 x 10to the 4th) written in scientific notation? A.24.5 x 70to the 4th B.2.45 x 10 to the 5th C.24.5 x 10 to the 4th D.1.05 x 10 to the 5th I think it is B...?

180. ## science

explain transport proteins

181. ## math

if if 2 cups of concentrate makes 1 gallon of lemonade how much concentrate do you need to make a pint

182. ## Math

How many grams in 23 kg? 23000? How many meters in 2 km? 2000? How many cm in 89m? 8900? How many mL in 25 L 25000? How many m in 7km 7000? How many mg in 10 g? 10000? HOw many mm in 15 m? 15000? How many km in 2500 m? 25? How many L in 10000mL? 10?

183. ## chemistry

what is the limiting reagent in a reaction between copper sulfate and barium nitrate?

184. ## physics

A toy consisting of two balls, each m = 0.56 kg, at the ends of a l = 0.73 m long, thin light-weight rod is shown below. Find the moment of inertia of the toy. The moment of inertia is to be found about the center of the rod.

185. ## books

what is the animal imagry in fahrenheit 451 pages 31-48?

186. ## physics

A bicycle wheel with a radius of 38 cm is given an angular acceleration of 2.61 rad/s2 by applying a force of 0.45 N on the edge of the wheel. What is the wheel's moment of inertia?

187. ## Algebra 2

I know the answer to this problem is -1. I found that by substituting for x and seeing if it worked. How should I do it the correct way? (x/(3x+6))-(x+1/3x-6)=(1/(x^2)-4)

188. ## physics

A laboratory ultracentrifuge is designed to produce a centripetal acceleration of 4.0 106 g at a distance of 5.00 cm from the axis. What angular velocity in rev/min is required?

189. ## book

what is the sound in fahrenheit 451 pages 31-48?

190. ## physics

A hard drive on a modern computer spins at 10000 rpm (revolutions per minute). If the driver is designed to start from rest and reach operating speed in 1.4 s, what is the angular acceleration of the disk?

191. ## physics

A toy top consists of a rod with a diameter of 13.00 mm and a disk of mass 0.0160 kg and a diameter of 3.5 cm. The moment of inertia of the rod can be neglected. The top is spun by wrapping a string around the rod and pulling it with a velocity that

192. ## book

when montag goes home after the fire at the old woman's how does he feel about the book,and what does he do with it in fahrenheit 451 pages 31-48?

I need answers for lessons 7 and 8 of business English !

194. ## Math

How many yds in 96 ft? 32? How many ft in 228 in 19 How many oz in 2 lb 32 How many qts in 3 gal 12 How many c in 40 fl oz 5 How many cups in 4 pt 8 How many lb in 3 t 6000 How many fl oz in 4 c 32 How many pt in 96 oz 6

195. ## Civics

1. Montesquieu’s system of “separation of powers” means that government is divided into three branches. people are born with rights that cannot be taken away. government may rule because the citizens consent. people have the right to life, liberty,

196. ## Social Studies

What island in japan homes most of the major cities?

asked by T.J And the Vibe
197. ## Health

What is the risk factor of the following situation? You went to a friend’s birthday party and your dad said to call when you were ready to come home. Your friend’s older brother has a friend who says he lives near you and he would take you home. You do

198. ## science

A small dog is trained to jump straight up a distance of 1.2 m. How much kinetic energy does the 7.2-kg dog need to jump this high? (The acceleration due to gravity is 9.8 m/s2.) Show your work.

199. ## Grammar

Need thesis stAtement for persuasive research paper on cs lewis

200. ## algebra

solve system by substitution 9x-3x=3 3x+8y=-17

201. ## Biology

So I am completely confused. I am in the process of taking a quiz and the question says "a factor that seems to disappear" my options are punnet square, heredity, dominant factor, recessive factor, alleles, or genetics??? Help please? Thanks

202. ## Math

names to speak with fractions 6/36

203. ## Math

If a road passes through R(4,-11) and S (0, -9) and another road passes through J (6,-2) and K(4, -5) and are straight lines, are the two roads perpendicular and why?

204. ## math

Maria ran 4 laps of the track at the same pace. If it took 4 1/2 minutes to run the first 3 laps how long did it take her to run all 4 laps

205. ## math

The average of three number is 3. If the greatest is 4.6 and the least is 1.4 what is the third number

206. ## math

how to find circum centre of a triangle when three coordinates are given

207. ## English-Ms. Sue

Ms. Sue i be on the poetry unit, and i have to write paragraph on this poem/song that be "the sound of silence" by paul simon. Hello darkness, my old friend, I've come to talk with you again, Because a vision softly creeping, Left its seeds while I was

208. ## math

The ratio of lefthanded to righthanded students in the school was 3 to 14. If the total number in both categories was 714, how many righthanded students were in the school

209. ## Chem

what volume of acetic acid must be added to 150.0 mL of water to generate a 15.0% acetic acid solution? I just need help on how to solve it please!:)

210. ## science

Need help with punnett square tonight if possible

211. ## Medical billing and coding

Which of the following items is used to describe items used during patient treatment as well as time spent by a professional. A)primary care provider B) Reimbursement C)Resources D)Durable Medical Equipment

212. ## chemistry

molar enthalpy of combustion for pentane? Mass C5H12= 2.15g Mass H2O= 1.24kg Initial temp= 18.4°C Final temp= 37.6°C

213. ## math

A tree is struck by lightning. The top part breaks and falls to the ground. The part of the tree still standing is 30 feet tall and the top part that hit the ground is 40 feet from the base of the tree. How tall was the tree originally?

214. ## physics

How much potential energy does DeAnna with a mass 57.0 kg, gain when he climbs a gymnasium rope a distance of 3.7 m?

215. ## math

Write 3,600,000,000 in scientific notation

216. ## Medical billing and coding

Tina and Seth are discussing the centers for medicare and medicaid services. Tina says the CMS focuses on campaigns to educate medicare beneficiaries on health care coverage options. Seth says the CMS focuses on new and expanded customer service options.

217. ## math

What number is 5/8 of 24?

218. ## Fraction help wrong answer

It takes Nadia 4/9 h to complete her Language Arts homework and 2/9 h to complete her mathematics homework. Which takes longer? How much longer? I did this : It takes Nadia Language Arts home work longer by 13.34 minutes longer. 4/9 x 60 min = 240/9 =

219. ## algebra

what the steps to this problem y=1/4x +6

220. ## Medical Billing and Coding

What are the two categories of commercial insurance? A)Point Of Service and HMO B)Medicare and Medicaid C)Private (individual) and employer-based (group) D)Medicare A and Medicare B

221. ## physics

A 17 kg rock, m, is on the edge of a 105 m cliff, h, as shown in Figure 11-20. Assume that air resistance is negligible. What speed does the rock have as it strikes the ground?

222. ## Physics

An object was fired with an initial speed of 33m/s at an angle of 32 degrees from the horizontal. How long was it in the air?

223. ## math

Write 3,600,000,000 in scientific notation

224. ## Medical billing and coding

What program was developed to address the health of the entire U.S. population? A) Medicaid B)Healthy People 2010 C)HIPAA D)Affordable Care

225. ## science

Need help with punnett square tonight if possible

A tiny ball (mass = 0.015 kg) carries a charge of -19C. What is the electric field magnitude that would cause the ball to float above the ground?

227. ## Physics THRUST

To begin I just need to know how to do thrust. A lunar lander in powered descent at 100 m above the surface of the moon slows down from a velocity of 20 m/s to 0.5 m/s at constant acceleration. Assume that the lander has a mass of 20,000 kg and that

228. ## Social Studies

Unlike Japan, Korea has What? 1. Large plains. 2. rugged mountains. 3. Summer typhoons. 4. Destructive earthquakes

asked by T.J And the Vibe

what proof is there that the sea can change formations?

230. ## English

HI, I need help on a question I have read both books 50 times now what is the difference between Barrio boy and no gumption please help. And if your going to hate please don't state thanks!!!!

231. ## math

zoomer bix plans to but a microcomputer that costs \$690, excluding sales tax. if the sales tax rate is 5 1/2% how much tax will zoomer have to pay

232. ## math

The ratio of the length of haley's stick to the length of sarah's stick is 1 : 9. Sarah's stick measures 72 inches. how long is haley's stick?

233. ## Trigonometry

How do I evaluate the trigonometric functions of the quadratic angle? Thanks in advance 1) sec π 2) tan π 3) cos π For this problem, I don't understand why it's -1 4) csc π 5) sec 3π/2

234. ## Medical billing and coding

In what model of the integrated delivery system do physicians keep their own offices but share administrative and management services with other managed care organizations? A)group practice without walls B)physical hospital organization C)management

235. ## math

Write 3,600,000,000 in scientific notation

236. ## math

Write 3,600,000,000 in scientific notation

237. ## math

Solve: 3/4+n=2 1/8

238. ## Physics

A 2.2m of steel wire hangs vertically down from a support. A 1.5m length of brass wire of the same diameter is attached to the lower end of the steel wire.when a 10 kg mass is attached to the lower end of the brass wire a total extension of 0.05 m is

239. ## science

Need help with punnett square tonight if possible

240. ## math

admissions to a concerto cost \$45. A vendor sells t-shirts for \$12. You have \$90. What is the maximum number of t-shirts you can buy?

Admissions to a concert cost \$45. A vendor sells t-shirts for \$12 each. What is the maximum number of t-shirts you can buy?

A contractor pours a sidewalk that is 4 inches deep, 1 yard wide, and 20 yards long. How many cubic yards of concrete will be need? (Hint: 36 inches = 1 yard)

243. ## World history

Help? How did Neanderthals and Cro-Magnons differ from earlier peoples?

244. ## Medical billing and coding

What option of Medicare is known as supplemental medical insurance coverage? A)Medicare Part C B)Medicare Part A C)Medicare Part D D)Medicare Part B

245. ## Medical billing and coding

What law established Medicare Part C, creating a new managed care option and other health plan choices for beneficiaries/ A)HMO B)POS C)IDS D)PPO

246. ## Algebra 2

Complete the square and write in graphing form. 2x^2=5x+12

247. ## Medical billing and coding

What law established Medicare Part C, creating a new managed care option and other health plan choices for beneficiaries? A)Health care financing ACT B)Health Insurance Portability and Accountability ACT C)Balanced Budget Act of 1997 D)Social Security Act

248. ## Geometry

DEFG is a rectangle. H is the intersection point of the two diagonals. DH= 3x – 3 and EG = x + 44. Find the value of x and the length of each diagonal.

solve the polynomial inequality and graph the solution set on a real num ber line. express the solution set in interval notation x^3+x^2+64x+64>0 please show work

250. ## Medical billing and coding

TRICARE was previously known as.... A.CHAMPUS B.CHAMPVA C.CMS D.CHIP

251. ## math

2/3 cup of oatmeal is needed to make 10 granola bars. How many such granola bars can be made with 20 cups of oatmeal?

252. ## algebra

what expression represents the quotient of (n+3) and 5

253. ## Medical billing and coding

What was the first prepaid health plan in the United States? A) SCHIP B) Medicare C)Medicaid D)Blue cross Blue Shield

254. ## math

usethe rational zero theorem to find all real zeros of the polynomisl function.Use the zeros to factor f over the real numbers. f(x)=x^4+2x^33-7x^2-8x+12 what are the real zeros?> use the real zeros to factor f f(x)=

255. ## Science

What does the word trasmits mean? And no the word is not transmits it says you can think of a pigment as a kind of sponge that absorbs light of all colors except the ones that it trasmits and reflects. WHAT DOES TRASMITS MEAN??????!!!!!

256. ## math

factor 8x+16 do you take out a 4 and get (4x-4)(4+4) OR 8(x+2)

257. ## Math

One saved about \$300 . If one how many seasons to the nearest 100 which could not be there as the mount of money saved? \$167 \$198 \$225 \$251

258. ## College Physics

The masses of the earth and moon are 5.98 × 1024 and 7.35 × 1022 kg, respectively. Identical amounts of charge are placed on each body, such that the net force (gravitational plus electrical) on each is zero. What is the magnitude of the charge placed on

259. ## lit

the major elements of drama and distinguishes the form from other genres like the short story and poetry. Using the play Riders to the Sea (Synge)

260. ## Algebra 2

I know the answer to this question is: -1. I got that answer by substituting -1 in for x. Please show me how I should do this the correct way. (x/(3x+6))-((x+1)/(3x-6))=(1/((x^2)-4)) Thank you.

261. ## algebra 1

what is the length of a rectangle that has a width that is 4 inches shorter than the length and a perimeter of 28 inches??

2x^2+5x+2

263. ## physics

Sir Lost-a-Lot dons his armor and bursts out of the castle on his trusty steed Tripper in his quest to rescue fair damsels from dragons. Unfortunately his valiant aide Doubtless lowered the drawbridge too far and ﬁnally stopped it 28 ◦ below the

264. ## matH

express n1/2 witHout a fractional exponent?

265. ## math/hurry

there are 3 boys for every 4 girls.how many are boys in a class of 42?

266. ## Vista High school

solve the following inequality. write your solutionin interval notation x^3-x

267. ## physics

A girl goes 4 avenues east{.8 miles), then 24 streets south(1.2 miles), the n 1 avenue west(.2 miles), and finally 8 streets north(.4 miles). -what distance did she travel? -what is her resultant displacement?

268. ## Biology

how do chromosomes determine sex a family has four children, two girls, and two boys. one girl and one boy are color blind. are their parents color blind name at least three traits that are a results of polygenic inheritance weight, eye clor, height

269. ## Math

Allie's plant has a height of 6 meters. Rajon's plant grows 3/10 meters higher. How high does Rajon's plant grow?

270. ## math

For how many positive integers n does n! end in exactly 5 0s?