# Questions Asked onSeptember 16, 2013

1. ## Physics (pls help mr.bobpursley or drbob222)

A block is resting on top of a rough incline with coefficients of kinetic and static friction of 0.25 and 0.45 respectively. The angle of the incline is gradually increased until the block just begins to slip. How long will it take the block to slide to

2. ## computers

I need someone help me to modify PDF file by any program Photoshop...

3. ## math

if thr mechanic says that it will take seven days to repair your car, then it will actually take ten days. The mechanic says, "I figure it'll take a week to fix it." Then you can expect it to be ready ten days from now. I don't understand how this would be

4. ## Math

On May 23, Samantha Best borrowed \$40,000 from the Tri City Credit Union at 13% for 160 days. The credit union uses the exact interest method. What was the amount of interest on the loan? Using the scenario from the previous question, calculate the

The air resistance R(in pounds) on a racing cyclist is given by the equation R=0.00829s^2 where s is the bicycle's speed (in miles per hour). a. What is the speed of a racing cyclist who experiences 5 pounds of air resistance? b. What happens to the air

6. ## ap history

to what extent did populists continue to focus on grievances of earlier movements?

7. ## English

1. What are you going to do for Chuseok? I am going to buy some gifts tonight and I will hand them to my cousins on/for Chuseok. (Can we use 'for' in Sentence 1 before Chuseok?) 2. What are you going to do on Chuseok? Three days ago, I bought some gifts

8. ## Physics

A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 4.18 m/s. The car is a distance d away. The bear is 35.3 m behind the tourist and running at 6.24 m/s. The tourist reaches the car safely. What is the

American Federation of Labor leadership

10. ## Math- Help Please

Find a polynominal of degree 4 that has integer coefficients and zeros 4,-4,5 and 1/2.

11. ## algebra

3,6,9,15, 24,39 what is the next number in the sequence & why? i know it's going by 3 but its skipping numbers so I'm not sure if it would be 45,48,51,54,57,60,or 63

12. ## algebra

4,7,12,19,28,39, I don't see one common difference & how would the next number be 52?

| x | >= -8

14. ## calculus

Find circumference of the circle r=2acos theta. s= Int (0 to 2pi) of Sqrt(4a^2cos^2 theta+4a^2sin^2 theta)d theta =Int (0 to 2pi)2a*Int theta d theta =2a(2pi-0)=4a*pi Book shows 2a*pi. Am I wrong somewhere?

15. ## English

What is the tone of at the lunch counter?

16. ## Chemistry

Calculate the concentration of potassium ions in grams per liter after mixing 100 ml of 0.250 M KCl and 200 ml of 0.100 M K2SO4

17. ## chemistry

A particle with the mass of a proton is trapped in a box. The particle falls from the n=3 state to the n=2 state and emits 0.16 meV of energy. What is the size of the box? Please report your answer in nm.

18. ## Math

Find the value of(X-5x+4)if x=7

19. ## Chemistry help please

How many milligram of lysozyme (MW=14,600 g/mol) are needed to make 3 liters of a 10^-6 M solution?

20. ## Chem wondering how to set it up

1.) A biochemistry student wants to make 4 liters of a phosphate solution using 48.6 g Na2HPO4 (FW=141.96) What is the concentration of this solution? 2. When she reaches the storeroom she finds that there is no Na2HPO4, however there is a bottle of

21. ## Physics

It takes you 10min to walk with an average velocity of 1.2m/s to the north from the bus stop to the restaurant entrance. What is your displacement?

22. ## math

Kate is at a T-shirt sale where she can buy one and get a second one for 30% off. She wants to buy two T-shirts listed at \$19 each. How much will she pay? A)\$13.30 B)\$24.70 C)\$32.30

23. ## Chem still confused

1.) A biochemistry student wants to make 4 liters of a phosphate solution using 48.6 g Na2HPO4 (FW=141.96) What is the concentration of this solution? 2. When she reaches the storeroom she finds that there is no Na2HPO4, however there is a bottle of

24. ## dma040

42inch board is cut into 3peices. Peice 2 is twice as long as the 1st & 3rd peice. Peice 3 is three times as long as peice 1. What are the lengths of all 3 peices? Pc 1 Pc 2 Pc 3

25. ## Pschology

Which of the following requires written patient consent? A. Law enforcement investigation B. Insurance company for bill payment C. Research project D. Medical emergency I think it could be a or d

26. ## chemistry

Solud iron and steam react at high temperatures to form iron(vi) peroxide and hydrogen gas. How much solid iron is needed to obtained 405 grams of iron(vi) peroxide, with a 84.2% yield?

27. ## chemistry

Solud iron and steam react at high temperatures to form iron(vi) peroxide and hydrogen gas. How much solid iron is needed to obtained 405 grams of iron(vi) peroxide, with a 84.2% yield?

28. ## FIN

Question 2 Archer Daniels Midland Company is considering buying a new farm that it plans to operate for 10 years. The farm will require an initial investment of \$12.00 million. This investment will consist of \$2.00 million for land and \$10.00 million for

29. ## physics

Coasting due east on your bicycle at 8.0 m/s, you encounter a sandy patch of road 7.4 m across. When you leave the sandy patch your speed has been reduced to 5.5 m/s. Assuming the bicycle slows with constant acceleration, what was its acceleration in the

30. ## biology

1.Briefly explain the evolution of limb orientation and the effects of limb posture on support and locomotion. 2.The transition from the aquatic to the terrestrial environment resulted in what kind of evolutionary changes in the girdles of tetrapods? Why

31. ## Chem

A block of metal has a width of 3.2 cm, a length of 17.1 cm, and height of 4.3cm . Its mass is 1.2kg . Calculate the density of the metal.

32. ## chem

A particular brand of gasoline has a density of 0.737 g/mL at 25 ∘C. How many grams of this gasoline would fill a 15.4gal tank?

33. ## MATHS

lim(sqrt(x^4-x^2))=0 True or false?

34. ## chem

A particular brand of gasoline has a density of 0.737 g/mL at 25 ∘C. How many grams of this gasoline would fill a 15.4gal tank?

35. ## MATHS

The slope of the straight line passing through the points (0,0) and (3,2) is: 2/3 TRUE OR FALSE?

36. ## Sepration chemistry

Mixture of A,B,C if the mole fraction of A is 30 and B is 35 Volume percent calculate the mass and mole fraction of each compnant. given that A is methane, B is ethane, C is propane. use SI unit and English unit.

37. ## College Physics

vector A has a magnitude of 29 units when B is added to A . find magnitude of B.

38. ## phycal science

potassium nitrate + water it is a dependent variable or independent variable?

39. ## chem

A particular brand of gasoline has a density of 0.737 g/mL at 25 ∘C. How many grams of this gasoline would fill a 15.4gal tank? I converted 15.4 gal to 58273.6 ml what do i do next?

40. ## phycal science

potassium nitrate + water it is a dependent variable or independent variable?

41. ## chem

Compute 4659¯0−214¯00. Round the answer appropriately. Express your answer numerically using the proper number of significant figures.

42. ## Electrical

If I2=2mA, I4=4mA, and I6=6mA, find I1,I3, and I5 ??

43. ## chem

Rank the size of a change in temperature of one degree Fahrenheit, one degree Celsius, and one kelvin. In other words, if a thermometer were to show that the temperature outside increased by these amounts, which change would feel the largest? If any of the

44. ## Maths

Nth terms I have to find the first 5 terms in the nth sequence. please could someone show me how to work this out, using the example below so I can do the next set of questions. 10-2n

45. ## Math

You are buying gifts for 10 people. You decide to buy each person either a CD or a DVD. A CD costs \$12 and a DVD costs \$20. Write and simplify an expression in terms of c for the total cost of all the gifts you buy. My answer- My expression is 12c +

46. ## smk lutong

A compound consists only of carbon, hydrogen, nitrogen, and oxygen.  Combustion of 10.68 g of the compound  produced 16.01 g carbon dioxide and 4.37 g of water.  the molsr mass of the compound is 176.1 g/mol. what are the

47. ## Psych

Why is it necessary to use the Diagnostic and Statistical Manual when working with clients? Is it an effective tool? Why or why not?

48. ## Physics

A police car is traveling at a velocity of 19.0 m/s due north, when a car zooms by at a constant velocity of 49.0 m/s due north. After a reaction time 0.600 s the policeman begins to pursue the speeder with an acceleration of 6.00 m/s^2. Including the

49. ## Calculus

What is the limit (as u--->2) of square root(4u+1)-3/u-2. I got 1 as an answer, but I want to check if that's right. I heard it could be something else so I'm unsure and doubtful of my answer.

50. ## physics

(a) Two protons in a molecule are 3.80 multiplied by 10-10 m apart. Find the electrical force exerted by one proton on the other. Magnitude N (b) State how the magnitude of this force compares with the magnitude of the gravitational force exerted by one

51. ## Math

How many distinct real numbers x are true for f(x)=0. Explain. F(x)=x^2+(1/(500x^2-1000))

52. ## statistics

Suppose scores on the mathematics section of the SAT follow a normal distribution with mean 540 and standard deviation 120. ACT math scores are normally distributed with a mean of 18 and a standard deviation of 8. What score on the ACT is equivalent to a

53. ## math

Lisa runs 6 miles in 55 minutes, at the same rate, how many miles would she have ran in 44 minutes?

54. ## st.xavier

Determine the horizontal force P required to start the movement of the 200 lb blockup the 300inclined surface. The static coefficient of friction between the inclined surface and the block is ms = 0.25.

55. ## Physics

Two identical heavy metal spheres are released from the same height. Sphere 1 is at rest, and sphere 2 has a velocity of 10 m/s in horizontal direction.

56. ## Chemistry

why is it impossible to completely separate ethanol from water?

57. ## Physics

At the airport they have people movers (horizontal escalators). Your friend decides to use the people mover and since you've been sitting decide to walk along side. You would like to continue your conversation and thus need to continue moving at the same

58. ## Spanish

¿Con quién _____ tú el almuerzo? A. comparto B. compartes C. compartimos D. comparte B?

59. ## Chemistry

why is it impossible to completely separate ethanol from water?

60. ## Spanish

_____ las salchichas. Como salchichas todos los días. A. Me gusta mucho B. Me encantan C. No me gustan nada D. Me encanta B?

61. ## Physics

A girl delivering newspapers covers her route by traveling 9.00 blocks west, 3.00 blocks north, and then 1.00 blocks east. What is the total distance she travels?

62. ## TV ownership

Who owns the BBC? It must be state-owned (maybe a Crown entity)

asked by Alex L.
63. ## physics

One side of the roof of a building slopes up at 30.5°. A roofer kicks a round, flat rock that has been thrown onto the roof by a neighborhood child. The rock slides straight up the incline with an initial speed of 15.0 m/s. The coefficient of kinetic

64. ## science

Contact lenses improve lives. Contact lenses are an example of what? Is the answer physics?

65. ## physics

One side of the roof of a building slopes up at 30.5°. A roofer kicks a round, flat rock that has been thrown onto the roof by a neighborhood child. The rock slides straight up the incline with an initial speed of 15.0 m/s. The coefficient of kinetic

66. ## physics

One side of the roof of a building slopes up at 30.5°. A roofer kicks a round, flat rock that has been thrown onto the roof by a neighborhood child. The rock slides straight up the incline with an initial speed of 15.0 m/s. The coefficient of kinetic

67. ## science

A scientist goes to a large international conference and hears about a new discovery. The scientist is very excited about these new findings and decides to verify the other scientists' results by conducting her own investigations. The scientist is being

68. ## science

A scientist observes chimps putting dry leaves into a hole in the tree. The leaves come out wet and the chimps lick the water off of the leaves. The scientist reasons that there is water inside the tree. This reasoning is called what?

69. ## spanish

Nosotros siempre _____ la comida. A. comparten B. comparto C. compartimos D. comparte A?

70. ## choice

Varsity Press, a publisher of college textbooks, received a \$70,000 promissory note at 12% ordinary interest for 60 days from one of its customers, Reader’s Choice Bookstores. After 20 days, Varsity Press discounted the note at the Grove Isle Bank at a

71. ## science

calculate the concentration for the reaction of 0.25mole 0f sodium hydroxide NaOH and water H20 solution of 250cm^3. Provide the answer in cubuc decimeter

72. ## reading help

an article that is persuasive and shows repetition

73. ## BIOL HELP PLEASE!

microscopic examination of a tissue reveals an open framework of fibers with a large volume of fluid ground substance and elastic fibers. this tissue would most likely have come from the? A. Inner wall of blood vessel B. lungs C. Spleen D. Tissue E. bony

74. ## Geometry

A rectangle has side lengths in the ratio 2:3. The ratio of the rectangles's perimeter to its area is 5:9. What is the length of the longer leg of the rectangle?

75. ## Triangles

Right traingles C and D share a leg. If the ratio of the area of traingle C to the area of traingle D is 5:9, C’s hypotenuse is of length 25, and D’s hypotenuse is of length 39, what is the area of C?

76. ## Math

The diagonal EG of rectangle EFGH has end points of (-2,2) and (3,10). If EF is parallel to the y-axis, what is the perimeter of EFGH?

77. ## Math

What is the area of trapezoid with vertices of (-4,5), (1,5), (-8,-3), (5,-3)?

78. ## math

The point (4,2) lies on a line whose slope is -2. Which of the following is another point on this line? a)(2, -2) b)(2,0) c)(2,1) d)(2,3) e)(2,6)

79. ## College Algebre

f(x)= -3x^2+5x-2 Find f(x+h)/h

80. ## Integers

If x and y are positive integers and x/5 + y/8 = 17/20, what is the value of x + y?

81. ## Social studies

Explain: When might you need to know the absolute location of a place? When might knowing the relative location be more helpful? Draw Conclusion: What additional information can geographers gain by studying regions and taking a global perspective?

82. ## Lating

I have to be able to identify an adjectives gender tomorrow. Could you maybe give me some exercises to practice it?

83. ## Math

What is the perimeter of a regular hexagon with an area of 294ã3 ?

84. ## math

If the ratio of m to n is 4:7 and the ratio of n to p is 3:5, what is the ratio of m to p?

85. ## math

james works an average of 22 hours per week with a standard deviation of 3.5 hours. what percentage of the time does james work more than 31 hours per week?

86. ## Principles of Democracy

1) The process of amending the constitution involves both____ and ____. 2) In general, liberal ideology supports...?

87. ## Social studies

How do geographers categorize similar geographic information? What determines how regions are divided?

microscopic examination of a tissue reveals an open framework of fibers with a large volume of fluid ground substance and elastic fibers. this tissue would most likely have come from the? A. Inner wall of blood vessel B. lungs C. Spleen D. Tissue E. bony

89. ## Math

Nessie built a fence in her backyard the perimeter is 45 feet long . When she arrived at the store they were only selling fences by yards. There is 3ft in 1 yard . How many yards of fencing Nessie order for her backyard?

90. ## ap chemistry

Write the half reactions and the balanced equation for the galvanic cell Hg(ℓ)|Hg2+2(aq)||MnO4(aq),Mn2+(aq),H+(aq)|Pt(s). What is the smallest possible integer coefficient of H2O(ℓ) in the combined balanced equation?

91. ## Physics

A Nordic jumper goes off a ski jump at an angle of 10.0° below the horizontal, traveling 109.0 m horizontally and 44.0 m vertically before landing. (a) Ignoring friction and aerodynamic effects, calculate the speed needed by the skier on leaving the ramp.

92. ## Earth Space

What is fission? How is Einstein's theory of special relativity expressed? What does each letter stand for?

93. ## statistics

You and your friend decide to get your cars inspected. You are informed that 70% of cars pass inspection. If the event of your car’s passing is independent of your friend’s car: iii. What is the probability that both of the cars pass inspection (6

94. ## math

grandma trying to help my grandson in 5th grade math...question/"explain how knowing that 5 divided 8=0.625 helps you write the decimal for 4 5/8?

95. ## Math

Find the distance between ordered pairs: (-6,10) and (-2,10)

96. ## romanticism

which of the following would most likely be an appealing topic for an american romantic writer? a description of how to hold a seance a factual account of a man who dies while building his frontier home a journal article the nature of being an american a

97. ## statistics

Based on published real estate research, 65% of homes for sale have garages, 20% have swimming pools, and 18% have both features. i. Given that a home for sale has a garage, what’s the probability that it also has a pool

98. ## Algebra

An asthma medicine is to be prepared from an elixir with a drug concentration of 5 mg/mL and a cherry flavored syrup that is to be added to hide the taste of the drug. How much of each must be used to prepare 100 mL of solution with a drug concentration of

can anyone show me steps in solving for x -49x^2 + 4606x - 52,000 = 42,080 thank you

100. ## Math

1. The table shows the growth in the number of Mcdonalds restaurants across the world. Rank the years growth in order from least to greatest. Year 2010 Growth .008 Year 2009 Growth .015 Year 2008 Growth 1/50 Year 2007 Growth 1% A.2010,2007,2009,2008

101. ## English

In Washington Irving's "The Legend of Sleepy Hollow", which factor played the biggest role in Ichabod Crane's fate? -love -imagination -greed -competitiveness

102. ## Math

While at the skating rink Kris Donna Ralph and Dory ordered a pizza. Kris ate 1/8, Donna ate 3/8, Ralph ate 25%, and Dory 5%. What percentage of the pizza was eaten by group. A.14% b.25% C.40% D.80% I don't know how to solve this one. Identify the group

103. ## Math

Which is bigger 4 1/5 or 4 2/10 I thinnk that 4 2/10 is bigger help please thanks

104. ## math

An artist is using tiles and boards for a project. A tile has length of 1 Thirds ft and width 1 thirds ft. a board has length 1 fourths yd and width 1 fourths yd. what is the ratio of the length of the tile to the length of the board? what is the ratio of

105. ## Mathematics

I need help on this following question there are 45 choirs members going to the recital.Each van can carry 8 people.How many vans are needed?

106. ## Math

4.The following table shows the high and low temperatures predicted for Dallas during the week beginning Monday, August 29 2011. Which day has the biggest difference between the high and low temperatures? A.Mon D.Tue C.Wed D.Sun Monday High temp 106 Low

107. ## Chemistry

Orange light has a frequency of 4.8 x 10^14 s^ -1. What is the energy of one quantum of orange light?

0>x^2 +5x -2 Can someone help me solve for x and show me the steps please

109. ## Math

A 3-mi cab ride costs \$4.50. A 7-min cab ride costs \$8.10. Find a linear equation that models cost c as a function of distance d.

110. ## algebra

x^2(insert radical sign) x is this statement always true is this true when x is negative is this never true is this true when x=0 Wow can't understand this. Anyone explain this to me please

111. ## Math

6.Simplify the expression. 4+2(13-4)/3^2 Answer : 6 8.Qynell is making a quilt. She has finished 1/3 of the squares as shown below in the black. 8 are shaded black out of 25. 16 are white. What percent of Qynells quilt is finished? A.13% B.25% C.33 1/3%

112. ## Math

10. Nathan got a 30% discount when he bought a new shirt. Tyler purchased the same shirt but received a 70% discount. Which of the following is equivalent to the difference between their percents of discount? A. 2.50 B. .7 C. 2/5 D. 1/4 C 12. 3/8 of the

113. ## Physics

When a shuttle bus comes to a sudden stop to avoid hitting a dog, it decelerates uniformly at 5.1 m/s2 as it slows from 9.6 m/s to 0 m/s. Find the time interval of acceleration for the bus. Answer in units of s

114. ## Math

14. When the teachers were talking one day in the workroom one math teacher said she had 2^7 students in all her classes and the pe teacher said he has 6^3 students in all his classes. How many more students does the pe teacher have than the math? A.6 B.47

115. ## Jeremy

A ⊆ B. Prove P(A|B)>= P(A)

116. ## Physics

Styrofoam has a density of 300kg/m3. What is the maximum mass that can hang without sinking from a 30.0cm -diameter Styrofoam sphere in water?

117. ## Physics

A girl delivering newspapers covers her route by traveling 2.00 blocks west, 5.00 blocks north, and then 8.00 blocks east. (a) What is her resultant displacement? (only enter the angle of the resultant in the answer space below, not the distance) enter it

118. ## algebra 1

90=-5(1-4x)-5

119. ## Math

18. Suppose for any ordered pair the x and y coordinate are always the same integer. Where are all the possible locations for these sets of ordered pairs? A.Quadrant 1 and 3 B.Quarants 1 and 3 and the origin C. Quadrants 2 and 4 D.Quadrants 2 and 4 and

120. ## Math

(3+3)^2/6-2x4 A.16 B.-2 C.0 D.-4 A?

121. ## Math

Let (2x-12) degrees represent the measure of an acute angle. What are the possible values of x? So lost can some one please help me

122. ## Geography

How do the people use the land in New Orleans Louisiana??? ( farming herding mining industry)?

123. ## algebra

A statue is 8 feet tall. The display case for a model of the statue is 18 inches tall. Which scale allows the tallest model of the statue that will fit in the display case. A 1 inch : 2 inches B 1 inch : 7 inches C 1 inch : 5 inches D 1 inch : 10 inches

124. ## Math

The distance between two numbers on the number line is 19. One of the numbers is 8. What are the two possibilities for the other number? A.-27 and 11 B.-11 and 8 C.-11 and 27 D.-8 and 19 22.Which integer has the greatest absolute value? A.9 B.0 C.-13 D.-8

125. ## English 11A

i need to write a story for English and i have to use seven comma rules along with my 20 vocabulary words. abomination blanched conjure contentious contiguous corroborate dally defamation enthrall evasive imperceptible inaudible inquisition licentious

126. ## math

round to nearest hundred. 113, 279, 367

127. ## algebra

A pharmaceutical salesperson receives a monthly salary of \$3700 plus a commission of 6% of sales. Write a linear equation for the salesperson's monthly wage W in terms of monthly sales S.

128. ## math

which number is this rounded too, the nearest ten or hundred? 557 rounds 560

129. ## math

What is greater; .1 or .8?

130. ## Physics

A girl delivering newspapers covers her route by traveling 2.00 blocks west, 5.00 blocks north, and then 8.00 blocks east. (a) What is her resultant displacement? (only enter the angle of the resultant in the answer space below, not the distance) enter it

131. ## math

When uou divide my number by 5, the remainder is 4, my number has 2 digits and both are even and the sum of the digits is 10 what is my number?

132. ## math

how can you use models to show and name a number 1,400 in two different ways? explain

133. ## physics

A .255 kg mass is attached to a spring and executes simple harmonic motion with a period of .56 s. The total energy of the system is 3.6 J. Find the force constant of the spring. Answer in units of N/m

134. ## math

Mrs. Jones is thinking of a number that when rounded to the nearest hundred is 400. what is the number? explain

135. ## math

why might you want to round to the nearest hundred rather than the nearest ten?

136. ## grammar

Can someone help me with parts of speech? Huxley himself came from a long line of intellectuals. His grandfather Thomas Huxley, a follower of Charles Darwin, was a rather famous lecturer and essayist. His great-uncle Matthew Arnold was a great English poet

137. ## Math

My son's homework asks us to find the product by factoring the tens. The problem is 6 x 2, 6 x 20 and 6 x 200. I see how to do 6 x 2 (memory factor) and the 6 x 20 would be (6 x 2) and (1 x 10) then 12 x 10 = 120 but how does he show his work for 6 x 200

138. ## Math

Write the power ss a product and then evaluate 3 to the second power.

139. ## math

round to nearest hundred 1,855

140. ## Math urgent

What is 4.1 repeating written as a fraction? I don't know if it should be written over 100 or over 10.

141. ## math

Mr Ernst leaves home at noon, traveling at 50 mph. His loving wife leaves at 1 pm with a briefcase that Mr. Ernst forgot. How fast must his wife drive to catch him by 5 pm?

142. ## Math

5/4X 7/10 Multiply. Write your answer as a fraction in simplest form.

143. ## Physics

A boat moves through the water of a river at 9.5 m/s relative to the water, regardless of the boats direction. If the water in the river is flowing at 0.9 m/s, how long does it take the boat to make a round trip consisting of a 300-m displacement

144. ## Algebra 1-Fractions

Or, eliminating fractions, I should say. So, I need some help. See, I am really not a big fan of fractions. But I need to eliminate fractions to do a math problem. First one is 1/2-x=3/8. I know how to find LCD, then multiply both sides, distributive

145. ## Algebra

An asthma medicine is to be prepared from an elixir with a drug concentration of 5 mg/mL and a cherry flavored syrup that is to be added to hide the taste of the drug. How much of each must be used to prepare 100 mL of solution with a drug concentration of

146. ## Math

Write each number in expanded form using exponents. Pls check 1, 234 (1*10^3)+(3*10^2)+(2×10^1)+4 210, 290, 450 (2*10^8)+(1*10^7)+(2*10^6)+(9*10^5)+(4*10^4)+5 7,123,456,089 (7*10^9)+(1*10^8)+(2*10^7)+(3*10^6)+(4*10^5)+(5*10^4)+(6*10^3)+(8*10^2)+(9*10^1)

147. ## Science

The Periodic Table is arranged so that the elements in each column have similar

148. ## Sciences

Helenium has an atomic number two. What can be inferred about helium from this fact?

149. ## Math

Simplify : 18/3+5x9 divided by 2+3x5 A.2 B.3 C.99/25 D.4

150. ## Sciences

What is an alloy and name as many as you can?

151. ## Sciences

Which metal is liquid at room temperature?

152. ## Science

Which property makes a metal useful in electrical devices?

153. ## Science

Name as many properties of nonmetal as you can.

154. ## Science

What is a solute in seawater?

155. ## social studies

What are 3 levels at which a geographer might study the world? Which of these levels covers the largest area? How are maps and globes different? How are they similar?

156. ## Literature

What does this poem mean? What is th symbolism? Literary devices? Nothing Stays Put Amy Clampitt The strange and wonderful are too much with us. The protea of the antipodes--a great, globed, blazing honeybee of a bloom-- for sale in the supermarket! We are

157. ## finanace

Compute the cost of the capital for the firm for the following:? a. A bond that has a \$1,000 par value (face value) and a contract or coupon interest rate of 11.6%. The bonds have a current market value of \$1,124 and will mature in 10 years. The firms

158. ## social studies

How Might Satellite Images and Computers Help Geographers Improve Their Knowledge of the World?

159. ## Math

Math Question = an aquarium holds 6 and 1/4 gallons of water. the water level dropped to 4/5 of this amount .how much water should be added to fill the aquarium Above is my son's math question and we can't figure out how to solve it. The possible answers

160. ## Chemistry

Help please, What is the minimum mass of NH4HS that must be added to the 5.00-L flask when charged with the 0.350g of pure H2s(g), at 25 ∘C to achieve equilibrium? Ammonium bisulfide, NH4HS, forms ammonia, NH3, and hydrogen sulfide, H2S, through the

161. ## Physics

You have a mass of 69 kg and are on a 47 degree slope hanging on to a cord with a breaking strength of 160 newtons. What must be the coefficient of static friction to 2 decimal places between you and the surface for you to be saved from the fire?

162. ## y=mx+b

how to solve we solve those types of problems

163. ## dma 040

Substitute the given values into the given formula and solve for the unknown variable. If necessary round to one decimal place. (use approximation 3.14(pie symbol). C+2(pie symbol)r; C=40.8 r=

164. ## dma 040

solve the formula for the specified variable D=1/2fk for k

165. ## dma 040

Problem 1: Solve 3x-8y=19 for y y= Problem 2: A=P=PRT for R R=

166. ## Physic

An elevator weighing 2000 kg falls with a downward acceleration of magnitude (1/2)g . What is the tension in the supporting cable? I got the answer as 49000 N.

167. ## algebra

can someone show me how to solve this step by step I have sixteen to do and i am confused thank you ã2x -7+8=11

asked by xavier michael
168. ## Math

Which number rounds to 15,700,000 when rounded to the nearest hundred thousand? A.15,000,000 B.15,579,999 C.15,649,999 D.15,659,999

169. ## Calculus

A position function has the positions listed below. t 2 4 7 10 12 f(t) 34 98 155 205 271 Approximate the instantaneous velocity at t=5. show work.

170. ## algebra

how do i solve this v= 4/3 πx^3

171. ## math

how do i solve this √2x -7+8=11

asked by john simmons
172. ## Physics

How long does it take T-Rex to reach its food 200m away assuming that he starts from rest and accelerates at 4.00 m/s2?

173. ## physics

In the Bohr theory of the hydrogen atom, an electron moves in a circular orbit about a proton, where the radius of the orbit is approximately 0.542 multiplied by 10-10 m. (The actual value is 0.529 multiplied by 10-10 m.) (a) Find the electric force

174. ## PHYSICS

A rod 14.0 cm long is uniformly charged and has a total charge of -20.0 µC. Determine the magnitude and direction of the electric field along the axis of the rod at a point 36.0 cm from its center. N/C toward the rod away from the rod

175. ## finance

You deposit \$1000 at 2% for 20 years. What's the future value?

176. ## 7th Grade

I just wanna know anyone who's been in 7th grade what do you learn in science mostly throughout the year??

177. ## Math

Five more than three times a number is 196 what is the number?

What was the order in which all the girls learned double dutch?

179. ## News

for my Mass Media class we have to read newspaper articles and answer Why is the story significant, and what is the impact of the story.. aren't those two the same thing? how can I answer those questions differently?

180. ## Physics

A 45 kg child sits on a 5 kg sled and slides down a 117 meter, 31 degree slope, to the nearest m/s what is his or her speed at the bottom?

181. ## business satistics

a set of integers consists of 2,3,5,7,11,12,x. if x is increased by 1 the median of the set stays unchanged. however, if x decreases by 1, the median of the set also decreases by 1. what is the value of x?

182. ## Math

2(4m+6)=8m+6 8m+12=8m+6 -6= -6 _________ 8m+6= 8m -8m. =-8m __________ 6=m I think in doing something wrong just not to sure when I check both sides give me different answer can someone explain please

183. ## Algebra Homework

Find the value of k so that the line containing the points (−5,0) and (k,−2) is parallel to the line y=(5/9)x−2

184. ## MITx: 8.01x Classical Mechanics

Mary wants to throw a can straight up into the air and then hit it with a second can. She wants the collision to occur at height h=10.0 m above the throw point. In addition, she knows that she needs t1=4.0 s between successive throws. Assuming that she

185. ## geometry

what does the definition of angle bisector mean

186. ## calculus

Meg's pension plan is an annuity with a guaranteed return of 4% per year (compounded quarterly). She would like to retire with a pension of \$20,000 per quarter for 10 years. If she works 30 years before retiring, how much money must she and her employer

187. ## finance

What would be a better deal: depositing money at simple interest of 5% for 20 years, or 10% for 10 years

188. ## Chemistry

You at stranded on a desert island on which there are already 375 native habitants. For every inhabitant there are two hands, for every hand these is an eye; for every eye there is a footprint; it every four footprints, there's is a dinsosaur; for every

189. ## finance

You deposit \$1000 at 2% for 20 years, compounded annually. What's the future value?

190. ## math

George wants to build a square fence using 80 meters of wire. What is the area of the fence if you use all of the wire equally among each side?

191. ## Physics

A 0.45kg kg mass is attached to a spring with a force constant of 29N/m N/m and released from rest a distance of 3.3cm cm from the equilibrium position of the spring. How far is the mass from the equilibrium position when its speed is half the maximum

192. ## Math :(

2b=b+2+b 2b= 2b+2 -2b=-2b+2 __________ B=2????

193. ## Physics

the ratio R at which paint can be sprayed from a spray gun may be expressed as R=at If R is measured in m^3/s and time is measured in seconds what are the units of a????

I can't find the word keening in the book hatchet

195. ## physics

in 1954 roger bannister became the first human to run a mile in less than 4 minutes. suppose that a runner on a straight track covers a distance of 1.00 mi in exactly 4.00 min. What is the average speed in mi/h What is his average speed in ft/s what is his

196. ## AP Calculus

Consider the function f(x)= abs(x)(x-3)/9-x^2 a) what is the domain of f? What are the zeros of f? b) find all nonremovable discontinuities of f c) determine all vertical and horizontal asymptotes of f

197. ## Math

Erica was searching for her sunglasses . She walked 2 blocks north, 3 blocks south, 4 blocks east, and 3 blocks west . How many blocks did she walk? How far Erica from where she began her search?

198. ## History

In Massachusetts during the colonial times, were there gold and silver and was it an urban or rural area?

199. ## Social studies

Assyrian culture

200. ## finance

You deposit \$1000 at 2% for 20 years, compounded daily. What's the future value? (Remember, in this case your interest is going to be 0.02/365).

201. ## finance

You deposit \$1000 at 2% for 20 years, compounded annually. What's the future value?

202. ## math

stat theory says approximately 68% of measurements lie between +- one standard deviation. assume we have 100 students in our class. if in midterm 1 the mean score is 80 and standard deviation is 6, and you scored 86. approximately how many students scored

asked by math standard deviation
203. ## more news

Former White House chief of staff William Daley abruptly dropped out of the race for Illinois governor on Monday. Daley says that he wasn’t sure if he wanted to devote time to a long, hard campaign followed by four years of office. Spokesman Peter

204. ## math

the average weight of men in a meeting room is 170 pounds, and average weight of women is 130 pounds. if more than 60% of the people in the room are men, which of the following could be the average weight of all the people in the room?