# Questions Asked onJanuary 15, 2013

1. ## science

Ozone layer formed

2. ## AP Calc

For the function find the derivative of its inverse given a point on the original function: y = 3x+1 point (0,11) What am i supposed to do with the point?

3. ## math

Lin-Yee is helping to set up a health clinic in Inuvik by collecting and shipping medical supplies from Calgary. She has found these shipping rates online: • regular rate: \$2.10/lb • ship 101 to 500 lb, get a 20% discount • ship over 500 lb, get a

4. ## Math

Find the slope and y-intercept. 2y+4x=3(y-x)+8 Please explain the procedure!

5. ## Chemistry - Biology

Explain why glucose is improtant to humans ? Ans:Glucose is important to the body cecause it helps the reporduction of cells, coposition of proteins and nucleic acids foundin all cells. It helps growth and repairs tissues . Is that correct??

6. ## maths

if sinx=3/5,cosy=12/13,where x and y both lie in 2nd quadrant, find the value of sin(x+y),cos(x-y),tan(x+y)?

7. ## algebra 1

A man drove 48 more miles an hour than the number of hours he drove. if he drove 208 miles in all, how many hours did he drive? What was his rate?

8. ## math

Burj Khalifa is the world tallest building in Dubai at 828 m tall. The CN Tower in Toronto is 553 m tall. Sam wants to compare the Burj Khalifa and the CN Tower by creating rectangular prism models on a 10 cm by 10 cm square base. She has decided to

9. ## math

if part a of a square is one fourth and part c is one tenth then what is part b?

10. ## finance

Suppose that you are 25 years old and you have two options to save money for retirement. Plan A allows you to save \$3000 per year for the next 20 years, then sit for 20 years and finally draw on it for the following 30 years. Plan B allows you to wait 20

11. ## MATH

my tenths digit is 3 less than my hundredths digit. The difference between my tenths and hundredths digit is 5. The sum of my digits is 10. What number am I?

12. ## statistics

Select the most appropriate study design for each of the following questions. (Note: All study design options may not be used and each design option can be used more than once. 1. A study is done to examine the association between a mother’s education

13. ## math

find the equation of the planes 5x-3y+4=0 and x+y-2z+10=0 and which are 1 unit distance from the origin.?

14. ## statistics

1. Prospective Cohort Study The following tables show the crude and sex-specific results from a Prospective Cohort Study that examines the association between a binary exposure (E) and the development of a disease (D) during 20 years of follow-up. Full

15. ## statistics

• Two-sample Non-parametric Test Now, we examine the relationship between cry time and group among infants at Northbay. 1. Suppose we wish to perform a two-sample test, but we do not want to make any normality (or other strong parametric) assumptions.

16. ## math

show that the locus of a point whose distances from two given planes are in a constant ratio, is a plane.

17. ## statistics

• Linear Regression In the babies.dta full dataset, generate a covariate called painind defined as 1 if the infant experienced severe pain upon receiving the shot (pain0 = 7) and as 0 otherwise. In Stata, you can use the commands: generate painind = 0

18. ## analytical geometry

if in a tetrahedron the sums of the squares of opposite sides are equal,show that its pairs of opposite sides are right angles

19. ## analytical geometry

if (l1,m1,n1),(l2,m2,n2),(l3,m3,n3) are the direction cosines of three mutual perpendicular lines,show that the line whose direction ratios area l1+l2+l3,m1+m2+m3,n1+n2+n3 make equal angles with them

20. ## analytical geometry

two edges PQ,RS of a tetrahedron PQRS are perpendicular,show that the distance between the mid-points of PS and QR is equal to the distance between the mid points of PR and QS

21. ## GEOMETRY

In circle O, the midpoint of GH is point O. AB = 4x - 2 and CD = 2x + 10. Find the value of x.

22. ## math

Roses were planted 100 cm apart around a rectangular garden. There were no roses at the corners. They started 1 m from each corner. The garden was 5 m by 3 m. How many roses were planted?

23. ## trig

Find the maximum and the minimum values of sinx + cosx and the smallest value of x which they have these values

24. ## political science

Is politics a science or not? Give a reasons for answer

25. ## math

a box with a square topside and a bottom....

26. ## Maths

Express each of the following in the form Rsin(x+a), where r>0 and 0< a

27. ## Finance

Suppose that a company decides to make an annual gift to fund undergraduate scholarships. The first of these gifts will be given today and it is anticipated that the gifts will continue forever. The nominal discount rate is 8% and the rate of inflation is

28. ## chemistry

figure 1 HO- ######## # # # # # # # # # # HO-# # # #-CH=CH-NH2 # # # ###### # # # ######## BENZENE RING what is the name of this compound or figure 1

perform in indicated addition

asked by william Hagans
30. ## math

A boat travels 8km upstream and back in 2 hours. If the current flows at a constant speed of 3km/h, Find the speed of the boat in still water.(when the boat goes upstream, it speed reduces by 3km/h, and when going downstream, its speed increases by 3 km/h)

31. ## c-programming

Write the following in numbers in normal decimal notation?

32. ## math asap

4(7+a)-3= 10+3(1+p)=

33. ## math

solve by using substitution: x=y+7 y-8=2x

34. ## math

what is the acceleration when a body is ascending up a lift with a steady speed

35. ## SCIENCE

how do we derive the formula at=vf-vi if we will find acceleration? please have it step by step. Thank you

36. ## math

solve with substitution: 4x+y=2 3y+2x=-1

37. ## math

a ball is dropped from a height of 10 ft. if the ball's height after t sec is modeled by the following equation h(t)=-16t^2+10. when does the ball hit the ground?

38. ## Geometry

The length of the rectangle is 4 more than twice its width and its perimeter is 70m. What are the dimensions of the rectangle?

39. ## Calculus

For the functions f and g find for f(x)=x^2, g(x)=x+1 a)f(g(1)) b)g(f(1)) c)f(g(x)) d)g(f(x)) e)f(t)g(t)

40. ## Chemistry

Rank the following atoms from highest to lowets energy: Ca, Be, Ba, C

41. ## physics

When an air capacitor with a capacitance of 400 (1 = ) is connected to a power supply, the energy stored in the capacitor is 2.05×10−5 . While the capacitor is kept connected to the power supply, a slab of dielectric is inserted that completely fills

42. ## physics

When an air capacitor with a capacitance of 400 (1 = ) is connected to a power supply, the energy stored in the capacitor is 2.05×10−5 . While the capacitor is kept connected to the power supply, a slab of dielectric is inserted that completely fills

43. ## math

determine which two intergers the following irrational number lie

44. ## College Algebra

I need some help with a few problems. They are multiple choice but need a breakdown on how I can work the problems. Thanks for your help! 1. Factor the trinomial completely. 10x^2 + 11x-6 a. (2x+3)(5x-2) b. (2x-3)(5x+2) c. (10x+3)(x-2) d. (2x+1)(5x-6) 2.

45. ## geometry

The image of the point (1, -2) after a rotation of 180° about the origin is

46. ## geometry

The image of the point (1, -2) after a rotation of 180° about the origin is

47. ## geometry

The image of the point (1, -2) after a rotation of 180° about the origin is

48. ## Math

Two people are holding a box. One person exerts a force of 140 pounds at an angle of 65.5 degrees with the horizontal. The other person exerts a force of 115 pounds at an angle of 58.3 degrees with the horizontal. Find the net weight of the box.

asked by Jane Smith
49. ## algebra

Solve the equation. Check your solution. 164=x-59

50. ## math

solve using substitution: 4x+9y=24 y=1/3x+2

51. ## Science

What are the independent and dependent variables in the following----- The Effect of Magnet Status on the Perception of Autonomy Among Charge Nurses in a Skilled Nursing Facility as Compared to an Acute Care Facility?

52. ## Chemistry

A sealed flask contains 0.60 g of water at 28 degrees celcius. The vapor pressure of water at this temperature is 28.36 mmHg. What is the minimum volume of the flask in order that no liquid water be present in the flask? ---------------------------- I

53. ## math

solve using substitution: 4x+9y=24 y=1/3x+2

54. ## Heat and Molar Mass

An aqueous solution containing 34.6 g of an unknown molecular nonelectrolyte compound in 142.0 g of water was found to have a freezing point of 1.2 degrees C. Calculate the molar mass. A sample of steam with a mass of 0.553 g and at a temperature of 100

55. ## College Algebra

I have a few more questions that I'm not understanding. Its multiple choice however I would appreciate a breakdown on how to solve. 1.Evaluate without a calculator, using the order of operations. -2^2+20-|8-20|-squareroot of 64 a. -36 b. 4 c. 28 d. -4

56. ## math

solve using substitution: 4x+9y=24 y=1/3x+2

57. ## College Algebra

I have a few more questions that I'm not understanding. Its multiple choice however I would appreciate a breakdown on how to solve. 4.Simplify the compound rational expression. Use either method. 1+(5/y-10)/y+(25/y-10) a. 1/y-5 b. 1/y+5 c. 6/y+25 d.

58. ## science

do you think the efforts to improve air quality are worth the economic goals?

59. ## Physics

What force is needed to give a 0.25-kg arrow an acceleration of 196 m/s2? A. 0.25 N B. 49 N C. 196 N D. 748 N

60. ## science

what is the magnification of an object 2cm tall when placed 10cm in front of a plane mirror?

61. ## maths

solve the linear equation: 3X2y-7=19,4y-y+27=4y-52=32.?

62. ## Physics

1. How does displacement change with time for a falling object? How might you describe the mathematical relationship between the distance and time of a falling object? Explain the answer using your data, graphs, and kinematic equations.

63. ## chemistry urgent urgent

Discuss, in detail, the role played by DNA and RNA in genetic diseases. What are the breakthroughs, if any, in the treatment/management of genetic diseases?

64. ## maths

solve the linear equation: 3X2y-7=19,4y-y+27=4y-52=32.?

65. ## Math

Will you please check my answers? 1. Mary Stevens earns \$6 an hour at her job and is entitled to time-and-a-half for overtime, and double time on holidays. Last week she worked 40 hours of regular time, 6 1/2 hours of overtime, and 8 hours of holiday time.

66. ## physics

A small ball is thrown vertically upwards with an initial velocity of 40m/s. Find:(1) its velocity after moving 3 seconds(2) the maximum heigh attained(3) the time to attain the maximum height(4)the total time taken for the ball to return to the ground

67. ## physics

A small ball is thrown vertically upwards with an initial velocity of 40m/s. Find:(1) its velocity after moving 3 seconds(2) the maximum heigh attained(3) the time to attain the maximum height(4)the total time taken for the ball to return to the ground

For the following studies, identify the possible target population, elementary unit, sampling frame, sampled population and sampling unit. 1. A doctor wishes to study people working at a hotel in Makati afflicted with hypertension. 2. A researcher would

69. ## English - Ms. Sue help

I don't understand help 1. A person who translates speeches would have to know how to (1 point) draw pictures. use a microphone. speak many languages. 2. If a horse came barreling across the field, what was the horse doing? (1 point) leaping in the air

70. ## Statistics

3. The average weekly allowance of students last year at a private high school was Php 800.00 per week, based on an enrollment of 2000 students. The junior high school students who did not have this information interviewed 50 students and found their

71. ## Physics

1. How does displacement change with time for a falling object? How might you describe the mathematical relationship between the distance and time of a falling object?

72. ## maths-urgently needed

A line through through the point (3,0) meet the variable line y=tx at right angle at the point P. Find in terms of t, the co-ordinates of P

73. ## English3

In “The Turtle” from The Grapes of Wrath, how does the stem of the wild oat seeds use the turtle to carry it to a place where it can grow?

74. ## Physics

A bat emits a sound whose frequency is 83.2 kHz. The speed of sound in air at 20.0 oC is 343 m/s. However, the air temperature is 40.5 oC, so the speed of sound is not 343 m/s. Assume that air behaves like an ideal gas, and find the wavelength of the

75. ## Physics, help me!

On a curved roadway of radius 100m, the suggested speed is 35mph(approximately 16m/s). What must the coefficient of friction be between a car's tires and the road for the car to safely negotiate the curve at the posted speed?

76. ## AP Chemistry

a 6.33-Liter football is filled with air at 1.75 atm at 25.5 degrees Celcius. At the same temperature, the volume of the football is reduced to 2.35 Liters. What is the pressure of air in the ball?

77. ## math

Jo bought an item for 45¢, and paid with a \$1.00 bill. How many different ways could she get her 55¢ change with combinations of only nickels, dimes and quarters?

78. ## Lang Arts

Hi. I need help with one question, and then I need someone to check my others. The first one is the one I need help with. Thank You. ________________________________________ 1. Which of the key reading skills for reading informational articles involves

79. ## maths-urgently needed

find the vector and the cartesian equation of the line passing through (1,2,3) and parallel to the planes x-y+2z=5 and 3x+y+z=6

80. ## math

What is 288 in exponential form?

81. ## Help! Desperate, physics

a 40 kg child slides down a frictionless playground slide from a height of 2.0m. What is her speed at the bottom of the slide? Would the answer to part A change if she jumped straight down instead of sliding? How would the answer to part A change if the

82. ## College Algebra

Last one for today! Again would appreciate a breakdown on how to get to a resolution. It is multiple choice. 1. Simplify the expression using the quotient to a power property. (3y^6/z^7)^3 a. 27y^9/z^7 b. 3y^9/z^10 c. 27y^18/z^7 d. 27y^18/z^21 2. Use a

83. ## chemistry

Write the balanced equation of the reaction described below. Include the states (s, l, aq, g) for the reactants and products. When aqueous calcium chloride and sodium phosphate are mixed, solid calcium phosphate and acqueous sodium chloride are produced.

84. ## Math

Sally dilivered 148 newspapers and received \$0.03 per paper. What were her earnings?

85. ## Algebra 1

(3 points) Frank invests \$2,745 for 3 years at a rate of 3.5%. How much interest did Frank make? PLEASE HELP SOOOON!!!

86. ## Science

2. Summer occurs on the hemisphere of Earth that is _____. turned away from the sun tilted toward the sun tilted away from the sun turned toward the sun 3. Earth has a(n) _____ and _____ magnetic pole, just as a bar magnet has opposite magnetic poles at

87. ## maths-urgently needed

find the vector and the cartesian equation of the line passing through (1,2,3) and parallel to the planes x-y+2z=5 and 3x+y+z=6

88. ## chemistry?

what mass of Al(NO3)3 is required to remove 155g of Ba(NO3)2?

89. ## math

bob can fill bucket in 25 seconds in the sink, sue can fill same bucket in 17 seconds with hose, how much longer will it take bob to fill 15 buckets

90. ## Math

Two shirts cost \$12.50. How much will it cost to buy five of the shirts? Select all the pairs of ratios that form a proportion. Which are: 1/6,4/20 7/9,28/36 14/18,21/27 30/80,6/18. For which value of m is 4/16=m/24 a proportion? Solve the proportion.

91. ## math

A band poster that measures 90 cm by 40 cm is reduced by a scale factor of 1/6 so it can fit on a postcard. a) What are the dimensions of the postcard image? b) By what scale factor, to the nearest hundredth, was the area of the poster decreased in the

92. ## Help me!, Physics

A 60g piece of ice at an intial temperature that is unknown is placed into a glass of 250g of water sitting at room temperature when it is 80 degrees F in the room. The glass and ice come up thermal equilibrium at 4 degrees Celsius. What is the original

93. ## Math

I have 3 digits. My middle digit is 4, the first is 8 and the last 2. Who am I?

94. ## chem help

i just don't know where to begin/how a) Write a balanced chemical equation for: potassium carbonate + magnesium chloride b) Write a balanced chemical equation for: sulfuric acid + calcium carbonate c) Write a balanced chemical equation for: sodium sulfate

95. ## physics

a 57 g of copper is at 12 degrees celsius, if 1012 J of energy is added to the copper, what is the final temperature of the copper?

96. ## physics

the magnitude of the tongue produced by a 3.0n force applied to a door at a perpendicular distance of 0.25 m from the hinge

97. ## Calculus

In these complex exponential problems, solve for x: 1)e^(i*pi) + 2e^(i*pi/4)=? 2)3+3=3i*sqrt(3)=xe^(i*pi/3) MY attempt: I'm not really sure of what they are asking. For the 1st one I used the e^ix=cos(x)+i*sin(x) and got -1+sqrt(2) +sqrt(2)i 2) I solved

98. ## Social study's

What is the name of the bay that is connected to the Atlantic Ocean by the Hudson strait?

asked by Dominique Spolarich
99. ## Chemistry

for each of the following, give an answer with the correct number of significant figures: A. 400 times 185 b. 2.40 divided by 4 times 125 c. 0.825 times 3.6 times 5.1 d. 3.5 times 0.261 divided by 8.24 times 20.0

100. ## calculus

Find parametric equations for the line that is perpendicular to the plane 2x-y+3z=7 and intersects the plane when x=1 and y=1.

101. ## Geometry :)

Use coordinate geometry to prove that the quadrilateral formed by connecting the midpoints of a kite is a rectangle. I have no Idea how to do this problem, so if anyone could help I would be very greatfull. :)

102. ## Math

What is the smallest of 3 consecutive positive integers if the product of the smaller two integers is 5 less than 5 times the largest integer? I can't remember how to start this.

103. ## chem

I2 + 5 Cl2 + 6 H2O 2 HIO3 + 10 HCl What is the reducing agent? In your answer give the element symbol and oxidation state.

104. ## Chemistry

Why is the emperical formtlar of C3H6O2 multiplied by 2 when calculating?

105. ## Calculus

Use a trig identity to combine two functions into one so you can solve for x. (The solution should be valid for any value of t). 3cos(t) + 3*sqrt(3)*sin(t)=6cos(t-x) I know that 6 cos(t-x) can be 6(cos(t)cosx(x)+sin(t)sin(x)) I don't know where to go from

106. ## math need help

1. ÚQTR and ______ are complementary. ÚQTS ÚRTS ÚPTN ÚQT 2. ÚQTN and _____ are supplementary. ÚQTS ÚQTP ÚRTS ÚPTR 5. ÚPTN is adjacent to _____. ÚQTR ÚPTS ÚRTS ÚNTS

107. ## maths

a milkman has 3 containers of 3litres, 5litres and 8litres.the 8litre container is completely filled with milk.the milkman wants to measure 4litre milk.how can he do this with these 3 containers?

108. ## math

Prove that: “In a parallelogram, the diagonals bisect each other” by using vectors

109. ## maths

three men go to forest with some apples. At night one of them gets up and divide the apples in 3equal parts and one apple is leftwhich he gives to monkey. After some time 2nd of them gets up and divide the left apples in three equal parts. And again one

110. ## English 8R - help!!!!

I'm reading this book "The Day of Courage: Little Rock Sotry" for my english assignment. The thing is that I'm can't take home the book. Is there a website that I can read it online. Thank You!!! :)

111. ## Statistics

Prospective Cohort Study The following tables show the crude and sex-specific results from a Prospective Cohort Study that examines the association between a binary exposure (E) and the development of a disease (D) during 20 years of follow-up. Use these

112. ## math

The world's tallest building is the Burj Khalifa in Dubai at 828 m tall. The CN Tower in Toronto is 553 m tall. Ryan wants to compare the Burj Khalifa and the CN Tower by creating rectangular prism models on a 10 cm by 10 cm square base. He has decided to

113. ## English 11 B

Langston Hughes Questions: 1. Why does Edward hand over his belongings? (1 point) A. He is afraid. B. He feels sorry for the men. C. He is in a hurry and thinks he will be able to get to his destination more quickly if he does as he is told. D. none of the

114. ## math 209

find the value of annuity for a 1=\$3000, I=0.09, n= 25

115. ## Final Temperature

A sample of steam with a mass of 0.553 g and at a temperature of 100 degrees C condenses into an insulated container holding 4.25 g of water at 4.0 degrees C. Assuming that no heat is lost to the surroundings, what will be the final temperature of the

116. ## Chemistry

The water in a calorimeter raises five degrees (F). There was five mL of water to start with.

117. ## Health

In a calorimeter, there's 5mL of water. The temperature rises by 5 degrees (F). How many calories are in the item put in the calorimeter?

118. ## math

what is tell me rule it frist grade help please......

119. ## Math

Expand an simplfy. 3(x-6)(x+4)-(3x-5)^2 Is the answer -6x^2+24x-39

120. ## music

Einstein on a Beach was a unique opera because it A. had a single violinist. B. was exclusively recitative. C. was written in Chinese. D. had no plot and very little singing. Is it C?

121. ## Math

Simplify. Express answer with positive exponents -48x^8y^-3/ 12x^-4y^6 Is x^12\4y^9

122. ## math

Rachel gave one fourth of a pie to five friends.How many pies did she give to her friends in all?Write the mixed number.

123. ## math

a time capsule is in the shape of a cylinder with a hemisphere at each end. if the capsule is surrounded with a metal outer layer 4 cm thick as shown( there's a picture) then determine the volume of the metal outer layer. round your answer to the nearest

124. ## Math

If I sale fifty tickets and kids tickets are three dollars and adults tickets are five dollars I got 180 dollars in total how many tickets both adults and kids have in all if I sold fifty tickets

125. ## College Algebra

I posed these one's before but added parenthesis which I think made it confusing as the actually questions do not have them. So, I'm reposting them without to see if it makes sense. If not I understand. 1. Compute as indicated. Write your answer in lowest

126. ## Chemistry

What volume would be occupied at 0°C and 1 atm by 3 mol CO₂(g)? I just might need someone to help me work this out, I would greatly appreciate it! I don't understand this chemistry problem.

127. ## physics

The Amy Anhasier family began a vacation trip by driving 700 km west.Then the family drives 600km south,300 km east,and 400km,.Where willthe Amy end up in relation to their starting point?

128. ## Chemistry

Just having some trouble with this chemistry problem.. Thanks for help! Toxic carbon monoxide (CO) gas is produced when fossil fuels such as petroleum burn without enough oxygen. The CO can eventually be converted to CO2 in the atmosphere. Automobile

129. ## MATH

No one has answered my question!!!!! it's on math !

130. ## phyiscs

What is the spring constant of a spring that stretches 2.00 cm when a mass of 0.600 kg is suspended from it? Answer i know the answer is 295 n/m but im nto sure how they got to it,

131. ## 9TH GRADE MATH

IF C=2M+D THEN M=

132. ## Math

What is the decay rate in the function A(t)=0.8(0.65)^t

133. ## ANY LINKS FOR THIS ?? MATH

Essential Math 7 - Unit Rates and Ratios of Fractions

134. ## Social studies

I need help!!!!! What did Egypt need from Nubia? And what did Nubia need from Egypt?

135. ## History

identify two differences between enslaved Aftricans and indentured servants

136. ## math

leon weighed a bag of pears. then he added 4 pounds of pears to the bag. after he took out of 5 pounds of pears, the bag weighed 3 pounds. how much did the bag weigh at the start

137. ## math

a wooden board is 3 yards 1 foot long . which show an equivalent length

138. ## math

a wooden board is 3 yards 1 foot long . which show an equivalent length

139. ## hhhh

The Danube flows from germany to the--

140. ## science 8th grade

write an advertisement that you could use to sell copies of Mendeleev's periodic table to chemists in 1869. Be sure to emphasize the benefits of the table to the chemical profession. Remember, the chemists have never seen such a table.

141. ## Proof math problem help? Please help if you can!

Let AB be the diameter of a circle, and let point P be a point on AB. Let CD be a chord parallel to AB. Prove that PA^2 + PB^2 = PC^2 + PD^2 It can be solved using geometry methods (no trig). Anyway, I figured out that PA^2 +PB^2 = 2OP^2 + 2OB^2. However,

142. ## geometry

when two perpendicular lines intersect, do they form four congruent angles?

143. ## math

rocio finished 21 pages of a book in 3 days. monday she finished half of what she did on tuesday and wednesday she finished twice as much as she did on tuesday. how much did she read each day?

144. ## geometry

when two perpendicular lines intersect, do they form four congruent angles?

145. ## Math

A rug covers 1/4 of floor. The area of the rug is 10 ft.2. What is the area of the floor?

146. ## us history

What issue needed to be settled before the smaller states agreed to the articles of confederation?. A:how to pay taxes B:ho to pay debts C;what to do with the western lands d:who got to vote

147. ## Science

The total resistance of a series circuit is 500 ohm. What percentage of the total voltage appears across a 22 ohm resistor in the series circuit?

148. ## trig

An aircraft maintains a speed of 500 miles per hour in a southwestern direction. The velocity of the jet stream is constant 50 miles per hour from the west. Find the resultant vector, the speed, and actual direction of the aircraft.

149. ## Chemistry

What coeffients do you need for NaCL+Ca(OH)2=CaCl2+NaOH

150. ## algebra2

What are the instructions for cubing a binomial? The problem is (x-1)^3

151. ## math

valerie earns \$25 a day plus \$3 for each dog she washes. make a function table to show the relationship between the number of dogs she washed d and the total amount earned t in one day. write an equation to represent the situation.

152. ## math

Brian cut an extra large round pizza into 12 pieces. Seven of the pieces were eaten. What angle measure of pizza is left?

153. ## MATH

If a picture width is 4in wide 6in tall what would be the new height if the width is 1.5in?

154. ## math(ASAP HELP)

7. two paths diverge at a 48 degree angle. two mountain bike riders take separate routes at 8km/hr and 12 km /hr.how far apart are they after two hours? 8. Draw a diagram to solve this problem: Ajax is 10 km due west of Oshawa. Uxbridge is 18 km NW of

155. ## us history

what did virginia and new york want to added to the constion is it billof rights

156. ## Biology

1.Which of the following accurately describes the relationship between cyanobacteria and halophiles? A.Cyanobacteria are photosynthetic, which suggests they existed before halophiles. b.Halophiles can survive in extreme conditions, which suggests they are

157. ## MATH

What is the scale factor?

158. ## algebra

on a scatter plot how can you determine if driving speed and driving time show a positive, negative or no relationship?

159. ## Economics

In two or three paraghaphs,discuss how industrial growth in Texas has affected its natural resources

160. ## Math

What is the smallest of 3 consecutive positive integers if the product of the smaller two integers is 5 less than 5 times the largest integer? I can't remember how to start this.

161. ## MATH HELPPPPPPP

Noah and Brianna want to calculate the distance between their houses which are opposite sides of a water park. they mark a point, A, 150 m along the edge of the water park from brianna's house. the measure ÚNBA as 80‹and ÚBAN as 75‹.

162. ## math

Sara needs help solving the problem 11x8. Which pattern can she use to help her find the product?

163. ## Math

Huong reduced the size of a rectangle to a width of 1 inch. What is the new height if it was originally 18 inches tall and 6 inches wide?

164. ## math

82 over 100 in simplest form

165. ## math-algebra 1

At 8am, Minnie Mouse leaves home driving 35 mph. A half hour later Mickey Mouse drives 50 mph to catch up to her. If Mickey Mouse is delayed 15 minutes with a flat tire, at what time will he catch up to Minnie Mouse

166. ## math

input 0 output 18 input 1 output 21 input 2 output 24 input 3 out put 24 whats my rule

167. ## Chemistry

1. Pentane gas (C5H12) combusts with oxygen gas (O2) to form water (H2O) and carbon dioxide (CO2). Write a balanced chemical equation for this reaction and explain the scientific principle (statement) that requires the balancing of an equation to make it

168. ## math VERY URGENT AND IMPORTANT

Estimate the product of 1 9/10 and 15. Describe your method. Also,estimate the product of 3 7/8 and 25. Describe your method. Please answer and explain.

169. ## us history

which of the following is a power of the legislative power is it establish lower federal ourts

170. ## Pre Algebra

What is the radius of a circle with the area of 4pi/9?

asked by West M.
171. ## child development

heritability estimates are computed by comparing the IQ correlations of a)the same group of individuals at various points in time b)individuals from different ethnic and SES groups c)children of different ages d)twins and other relatives

172. ## math. need help asap!!!!!

What's 0.8, and 1.1 as mixed numbers. What's 1 1/2, and 1/5 as decimals? What's 0.09, 2.46, 3/5, and 99/100 as percents. Please help. Due tomorrow!!!

173. ## math

Consider the experiment of drawing two cards from a deck in which all picture cards have been removed and adding their values (with ace = 1). a. Describe the outcomes of this experiment. List the elements of the sample space. b. What is the probability of

174. ## math

An airline tracks data on its flight arrivals. Over the past six months, 25 flights on one route arrived early, 150 arrived on time, 45 were late, and 30 were cancelled. a. What is the probability that a flight is early? On time? Late? Cancelled? b. Are

175. ## math

2 over 5on a figure is shaded what percent is not shaded

176. ## GENERAL CHEMESTRY

Analyze the properties of a sodium atom and a sodium ion. What are the differences in mass, stability, and reactivity that are caused due to the differences between the sodium atom and sodium ion?

177. ## trig proofs

cotx+tanx=secx+cscx

178. ## child development

which of the following statements about the Barley Scales of nfant development is correct?> a) it emphasize complex cognitive skills, such as infant memory and problem solving b)it's helpful fpr assessing the health and well-being of newborns c) it taps

179. ## Math

Jasmine is manufacturing engineer who is trying to find out if she can use a 12-inch by 12-inch sheet of cardboard and a 15-inch by 16-inch sheet of cardboard to make boxes with the same height and volume. In such a pair of boxes possible?

180. ## Math input and output

Rule :5n + 2 Input,n 1 2 3 4 5 Process Output Input 1 Process 5(1)+2 Output 7 input 2 process 5(2)+2 Output 12 input 3.process 5(3)+2 output 17 input 4. Process 5(4)+2 output 22 input 5. process 5(5)+2 output 27

181. ## English

In the following sentence is there a direct object or a predicate adjective? Sometimes I feel nervous before a game.

182. ## math

jeff bought 6 pairs of shoes and 4 jerseys for 560. Jersies cost 1/4 price of one pair of shoes. Find price of shoes and price of jersey

183. ## college algebra

(2x^3)^3/(-3x^5)^2

184. ## Math

Find 2 consecutive positive intergers such of the first and the square of the second is 19

185. ## English

Word box affluence arrears cascade cringe crotchety format immobile impassable innovation jovial manacle martial minimum nimble onset partition perishable retrieve sinister taut Sherlock Holmes detected in the wicked scheme the ____ hand of the evil

186. ## Math

Find three consecutive intergers such that the product of the first and the second is two more than three times the third.

187. ## Math

Find three consecutive intergers such that the product of the first and the second is two more than three times the third.

188. ## Math

Find three consecutive intergers such that the product of the first and the second is two more than three times the third.

189. ## Math

Find three consecutive intergers such that the product of the first and the second is two more than three times the third.

190. ## Math

Find three consecutive intergers such that the product of the first and the second is two more than three times the third.

191. ## Algebra

A box with a lid is to be cut out of a 12 inch by 24 inch sheet of thin cardboard by cutting out six x-inch squares and folding them. What are the dimensions to two decimal places of all possible boxes that will have a volume of 100 cubic inches?

192. ## Math

Find three consecutive intergers such that the product of the first and the second is two more than three times the third.

193. ## math VERY URGENT AND IMPORTANT

Estimate the product of 3 7/8 and 25. Describe your method. Please answer and explain.

194. ## Math

Sally bought a sweater for \$46.75 that originally cost \$85.00. What was the percent of decrease from the original to the sale price?

195. ## English

Word box affluence arrears cascade cringe crotchety format immobile impassable innovation jovial manacle martial minimum nimble onset partition perishable retrieve sinister taut The ____ mood of our cheerful little gathering changed abruptly to sorrow when

196. ## Outline

When you make an outline format, do you make spaces in between each topic. For example: A.topic a.detail b.detail i.detail of a detail i.detail of a detail DOES A SPACE GO IN BETWEEN THESE TWO TOPICS? B.topic.......and so on.

asked by Wendy HELP!!!
197. ## Science

A coach wants to find out the speed of the runners on a track team. Tell what simple equiptment the coach needs in order to do this and explain how it should be done. You need to know the time and distance in order to calculate speed. Think of some typical

198. ## math

what is the number of tiles you would need to make a rectangle that 6 tiles wide

199. ## math

-(-4)-5=-1????? Or.......

200. ## calculus

Find the parametric equations for the line that contains the point (3,1,-4) and is parallel to the line r(t)=(1+2t)i+(-3-t)j+(5+5t)k

201. ## Educational Assitant

As an Educational Assistant you are leading a group converstation with 12 grade 4 students. They are having a discussion about the story that they have just read about a boy who has stolen a toy from a local corner store. The conversation has turned to the

asked by Sally J Raphel
202. ## math

what is 9 1/5 minus 3/5?

203. ## English

Word box affluence arrears cascade cringe crotchety format immobile impassable innovation jovial manacle martial minimum nimble onset partition perishable retrieve sinister taut The feeling of ____ I had when I was paid lasted only until I had finished

204. ## physics

A solid nonconducting sphere of radius 13 cm has a positive charge 9.8 × 10-8 C spread uniformly throughout its volume. The electric field at a point within the sphere at a radius 5.0 cm has a magnitude of

205. ## Math

Please someone answer one of kiki's questions. I need serious help

206. ## math

on a scale drawing, the scale is 1/2 inch = 2 feet. Find the dimensions of each room in the scale drawing if a room is 14 feet by 18 feet

asked by phyllis murphy
207. ## child development

which factors seems to be most important for the development of make-believe play? a)Maturation of the frontal lobes and the cerebellum b)Children's readiness to engage in make-believe play and social experiences that promote t c)Development of perspective

208. ## AP Physics B

I have one our part question left that I just don't understand! Please help me!! Part 1 An 11.6 kg block of metal is suspended from a scale and immersed in water as in the ﬁgure. The dimensions of the block are 12.9 cm × 9.7 cm × 9.7 cm. The 12.9 cm

209. ## math

what are two equivalent fractions for 10/13??

210. ## AP Physics B

A 1.2 kg rectangular air mattress is 2.1 m long, 0.46 m wide, and 0.09 m thick. If it has a mass of 1.2 kg , what additional mass can it support in water?

211. ## English

I have cringe martial innovation and format left in my word box I don't expect you to be a hero but do you have to ____ in that cowardly fashion whenever someone disagrees with you cringe? During the war years the government tried by all kinds of

212. ## math

you roll a standard cube once. whats a odds in favor of rolling a 5

213. ## AP Physics B

An empty rubber balloon has a mass of 0.01 kg . The balloon is ﬁlled with helium at a density of 0.181 kg/m3 . At this density the balloon has a radius of 0.493 m . If the ﬁlled balloon is fastened to a vertical line, what is the tension in the line?

214. ## Chemistry

Assume that 7.2 L of I2 are produced at STP according to the following balanced equation: 2KI+Cl - 2KCl+ I2 How many grams of KI (MOLAR MASS=166.002G/MOL) reacted

215. ## Chemistry

Assume that 7.2 L of I2 are produced at STP according to the following balanced equation: 2KI+Cl - 2KCl+ I2 How many grams of KI (MOLAR MASS=166.002G/MOL) reacted

216. ## AP Physics B

Part 2!!!! An object weighing 305 N in air is immersed in water after being tied to a string connected to a balance. The scale now reads 270 N . Immersed in oil, the object appears to weigh 279 N . Find the density of the object. Answer in units of kg/m3

217. ## Chemistry

Assume that 7.2 L of I2 are produced at STP according to the following balanced equation: 2KI+Cl - 2KCl+ I2 How many grams of KI (MOLAR MASS=166.002G/MOL) reacted

218. ## Chemistry

How much of a 2.0 molar NaCl solution would you need to make 250 mL of a .15 molar NaCl solution?

219. ## math

in the problem 1 3/5 x 3 1/4 round each number to the nearest whole number then multiply ?

220. ## English

Minimum is best described as A. great number C.equal number The other answer choices are cut off but A and C don't mean minimum right? Because minimum is the smallest possible amount

221. ## chemistry

Assume that 7.2 L of I2 are produced at STP according to the following balanced equation: 2KI+Cl - 2KCl+ I2 How many grams of KI (MOLAR MASS=166.002G/MOL) reacted

asked by Valerie i need it ASAP
222. ## English

Of all the different types of writing humor may be the most (perishable jovial) because each generation has its own idea of what is funny jovial? I felt that there was something thoroughly (sinister immobile) about the way he kept trying to duck questions

223. ## Math

If Sarah selects a shirt, without looking, from the ones below, what is the probability she will pick a gray shirt or white shirt?

224. ## 6th grade math

Is -15 equal then to 15 or less then? My answer is less then an i right if not please tell me how and why?

225. ## college algebra

solve for x -4/3x-1

226. ## physics

A narrow beam of light passes through a plate of glass with thickness 1.4 cm and a refractive index 1.55. The beam enters from air at an angle 23.5 . The goal is to calculate the deviation d of the ray as indicated in the figure.

227. ## math

Simon must choose one fiction book and one biography for a reading project. he has 6 different fiction books to choose and 7 different biographies to choose. write an equation to show how many different ways he can choose one of each type of book?

228. ## math

If Mickey selects a yo-yo, without looking, from a pail that contains 6 red yoyos, 5 blue yoyos and 4 white yoyos, what is the probability he will pick a blue yoyo? red yoyo? white yoyo?

229. ## physics

A car with a mass of 3200 kg and a velocity of 50 m/s brakes to a final velocity of 25m/s in a distance of 85 m. what is the force the brakes apply to stop the car.

230. ## English

Robin Hood's faithful band of merry men were not only (crotchety jovial) companions but brave fighters as well jovial? Her mind is so (impassable nimble) that she always seems to be one step ahead of us in any matter discussion nimble? The self styled

231. ## math

a spinner has four equal parts marked 1-4, another spinner has 3 equal parts colored red, blue and yellow. What are all the possibe outcomes?

232. ## Physics!

A 0.3 kg brick is dropped form a height of 8 meters. It hits the ground and comes to rest. a) Calculate the impulse exerted by ground on the brick. b) It takes 0.0013 seconds from the time the brick first touches the ground until it touches the ground.

233. ## Gramma

The following sentence is grammatically incorrect: Where the lack of a natural prewdatoar in Yellowstone National Park has aresulted in the overpopulation of bison, deer and elk. 1.The sentence is not complet 2.This is a run-on-sentence 3. The subject does

234. ## Educational Assistant

Thank your for your idea Ms. Sue do you think that this could be a an appropriate re- phrase? Maybe some of the people in country X do steal, but we cant judge the boy in the story because we don't know where he is from?

asked by Sally J Raphel
235. ## math

x=y plus 19 and x plus y=13=

236. ## math

A 2 m tall person standing on the ground looks up at an angle of 34.0 o with the horizontal and sees the top of a tree and the top of a building aligned. The tree is 20 m away from the person, and the building is 51.0 m from the person

237. ## math

The following numbers can be represented as 8-bit numbers in the binary representation.Which of these has a ‘1’ in the second place from the right in the binary representation? A. 171 B. 185 C. 214 D. A and C

238. ## math

nathan drove 262 miles in 5 hours at a canstant speed. how long would it take him to drive 377.28 miles at the same speed

239. ## Algebra

I need help with this equation y=x-2n y=2x+2

240. ## math

A 2 m tall person standing on the ground looks up at an angle of 34.0 o with the horizontal and sees the top of a tree and the top of a building aligned. The tree is 20 m away from the person, and the building is 51.0 m from the person

241. ## Physics

When a 1.53-kilogram mass is placed on a spring with a spring constant of 30.0 newtons per meter, the spring is compressed 0.500 meter. How much energy is stored in the spring?

242. ## geometry

The Kramer's family room measures 23 feet by 27 feet. They are covering the floor with square tiles that measure 1 foot on a slide and cost \$0.98 each. How much will they spend?

243. ## Statistics (Pls. Help Me)

For the following studies, identify the possible target population, elementary unit, sampling frame, sampled population and sampling unit. 1. A doctor wishes to study people working at a hotel in Makati afflicted with hypertension. 2. A researcher would

244. ## math

It is recommended that when calculating a quantity, all intermediate calculations should be done with extra digits. This avoids the accumulation of A. Off-By-One Errors B. Roundoff Errors C. Standard Errors D. Type One Errors

245. ## Math

the first row in a theater has 8 seats. each subsequent row has 3 more seats than the row before it. there are 10 rows in the orchestra section. how many seats are in the orchestra section?

246. ## computer

Statement: Bits can be used to represent A) numbers, B) names, C) colors and D) dates. This holds true for: A. A only B. A and C C. A and D D. A, B, C and D

247. ## college algebra

2a^2-3a=20 solve for a

248. ## MATH

Hi this goes to Ms. Sue or anybody I posted a question and no one answered it ! it was Anonymous and it was today under Math and it was at 1:31 ! Please answer my question ! (: Thanks !(:

249. ## geometry

how far up the wall is a 13 ft ladder, if the baseof the ladder is 8 feet away from the wall

250. ## Statistics (Pls. Help Me)

2. A market researcher wishes to determine the market share of the four leading brands of milk among children in Metro Manila who are 6 years old or younger. a.) Population: b.) Variable of Interest: c.) Parameter of Interest:

251. ## Chem

how to prepare a 250 mL solution of .15 M K2SO4 with a volumetric flask

252. ## math

Jared is making 1-1/3 of a recipe that calls for 2-1/2 cups of flour. How much flour will Jared need to use?

253. ## geometry

What is the pattern for a fractal tree?

asked by John Doe
254. ## Math Help me

the diameter of a cylinder is 3 yd. the height is 8 yd. find the volume of the cylinder in terms of pi and to the nearest tenth

255. ## Gramm

Anybody can servce om the committee, as long as his children goto the school.

256. ## Math 7

Suppose you copy a drawing of a polygon with the given size factor. How will the side lengths, angle measures, and perimeter of the image compare to those of the original? A.) 200% B.) 150% C.) 50% D.) 75%

257. ## us history

what issue needed to be settled before the smalller states agredd to the articles of conferderaton'' is it what to do with western lands

258. ## Algebra II

1)What method(s) would you choose to solve the equation: x2 + 2x - 6 = 0 A. Square roots; there is no x-term. B. Quadratic formula, graphing; the equation cannot be factored easily since the numbers are large. C. Factoring; the equation is easily factored.

259. ## Chemistry

Molar Mass of a Condensable vapor: The significance of immersing the flask as far as possible into the hot water bath? = Is to allow the volatile liqued to evaporate, current?

260. ## math 6th grade

if one side of a cube is 1/6. what are the lengths for the other sides?

261. ## PHYSICS

When a 1.53-kilogram mass is placed on a spring with a spring constant of 30.0 newtons per meter, the spring is compressed 0.500 meter. How much energy is stored in the spring?

262. ## calculus

For what values of z will (2-z)-y = 0 4x+(1+z)y = 0 have an infinite number of solutions.

263. ## math

can you put the following nmbers in order form least to greatest? 17.11; 17.107; 17; 17.001

264. ## Physics

You need to move a 128-kg sofa to a different location in the room. It takes a force of 99 N to start it moving. What is the coefficient of static friction between the sofa and the carpet?

265. ## Statistics (Help me please)

For the following studies, identify the possible target population, elementary unit, sampling frame, sampled population and sampling unit. 1. A doctor wishes to study people working at a hotel in Makati afflicted with hypertension. 2. A researcher would

266. ## us

which of the following best defines federalsim is it power is shared between the centeral gov and the states

267. ## Reading/language arts

Can someone give me a metaphor with the words DWELLING and HERB. Please.

268. ## math

What is the area of a hexagon all angles are right angles top 18 in side 20 in other side hook 12 in and side hook 6 in also what is the perimeter?

269. ## Reading/language arts

Can someone give me a idiom with the words GIDDINESS and DESPISED. Please.

270. ## physics

A point charge of +1 µC is located at x = −2 cm and a second point charge of −8 µC is located at x = 6 cm. Where should a third charge of +1 µC be placed so that the electric ﬁeld at x = 0 cm is zero?

271. ## social studies

what are advantages and disadvantages of dynastic rule in ancient Egypt

272. ## Reading/language arts

Can someone give me a simile with the words CANOPY and TRAMPLE. Please.

273. ## geometry

susan drew a right angle. she drew a ray between the two rays that formeds the right angle. what kind of angle did the new ray form?

274. ## math

On graph paper draw a ray from the origin through the point (-10,-10) then draw a ray from the origin through the point (-10,10). Use a protactor to measure the angle formed by the two rays and write the measure on the graph paper What is the measure =?

275. ## math.

A band poster that measures 90 cm by 40 cm is reduced by a scale factor of 1/6 so it can fit on a postcard. a) What are the dimensions of the postcard image? b) By what scale factor, to the nearest hundredth, was the area of the poster decreased in the

276. ## Physics

A 2563-kg van runs into the back of a 826-kg compact car at rest. They move off together at 8.5 m/s. Assuming the friction with the road is negligible, calculate the initial speed of the van.

277. ## Physics

Three point charges are on the x axis: −6 µC at −3 m, 7 µC at the origin, and −5 µC at 3 m. Find the force on the ﬁrst charge. The value of the Coulomb constant is 8.98755 × 10^9 N · m^2/C^2.

278. ## math

ratio as a fraction of 8 over 22

279. ## us history

did the state governmnet have the most power under the articles of confederation

280. ## Trigonometry

The populations, P, of six towns with time t in years are given by: I) P=1000(1.08)^t II) P= 600(1.12)^t III) P = 2500(0.9)^t IV) P=1200(1.185)^t V) P=800(0.78)^t VI) P=2000(0.99)^t a. Which towns are growing in size? Which are shrinking? b. Which town is

281. ## math

A refrigerator is 3 ft wide, 2 ft deep, and 6 ft high. How much floor space does it cover? What is the volume?

282. ## Trigonometry

The value V, of a \$100,000 investment that earns 3% annual interest is given by V=f(t) where t is in years. How much is the investment worth in 3 years

283. ## AP Calculus

Oil leaks out from a damaged oil tanker and forms a circle around the tanker. If the radius of the circle of oil is increasing at 25m/min, find the rate of change of the area when the radius is 20km

284. ## Trigonometry

a. Write a formula for Q as a function of t. b. What is the value of Q when t=10 1. Initial amount 2000; increasing by 5% per year 2. Initial amount 112.8; decreasing by 23.4% per year 3. Initial amount 5; increasing by 100% per year

285. ## Trigonometry

In 2010, the population of a country was 70 million and growing at a rate of 1.9% per year. assuming the percentage growth rate remains constant express the population P, as a function of t, the number of years after 2010.

286. ## math

On graph paper draw a ray from the origin through the point (-10,-10) then draw a ray from the origin through the point (-10,10). Use a protactor to measure the angle formed by the two rays and write the measure on the graph paper What is the measure =?

287. ## Trig!

a) The annual inflation rate is 3.5% per year. If a movie ticket costs \$7.50, find a formula for p, the price of the tickets t years from today, assuming that movie tickets keep up with inflation. b) According to your formula, how much will movie tickets

288. ## Math

He describe the amount of money made based the number of hours worked by the function rule y= 10h. Given this function, how much money does he earn for each hour worked? Thanks

289. ## Physics

A car traveling at 20 m/s accelerates at 7 m/s2 for 3 sec. How fast is it now traveling? Please help!

290. ## integrated math

Suppose a laboratory has a 26 g sample of polonium-210. The half-life of polonium-210 is about 138 days.?

291. ## math

omar lays down straight tracks for his model railroad. each length of track is 8 inches long. which of the following could be the total length of omar's track?

292. ## Physics

When a 1.53-kilogram mass is placed on a spring with a spring constant of 30.0 newtons per meter, the spring is compressed 0.500 meter. How much energy is stored in the spring?

293. ## accounting

The following stockholders' equity accounts arranged alphabetically are in the ledger of McGrath Corporation at December 31, 2011. Common Stock (\$10 stated value) \$1,500,000 Paid-in Capital from Treasury Stock 6,000 Paid-in Capital in Excess of Stated