Questions Asked onFebruary 9, 2015

1. Algebra 1

1) what is the simplified form of (x-2)(2x+3)? Use the distributive property. A) 2x^2-x-6 B) 2x^2-6 C)2x^2-7x-6 D) 2x^2 +x-6**** 2) what is the simplified form of (3x+2)(4x-3) use a table. A)12x^2+18x+6 B) 12x^2+x-6 C) 12x^2+18x-6**** D)12x^2-x-6 3) what

2. science

the process in which an animal's cells use oxygen and digested food molecules to release the energy in food is called 1. breathing 2. cellular respiration 3. diffusion*** 4. gas exchange

3. Social Studies

1.How does the amazon region best support the people of Brazil? a.by serving as a main artery of transportation b.by supplying fertile land for farming c.by providing forest rich with resources d.by protecting them from the encroachment of other people.

4. physics

A 27 g ice cube at −25◦C is dropped into a container of water at 0◦C. How much water freezes onto the ice? The specific heat of ice is 0.5 cal/g · ◦ C and its heat of fusion of is 80 cal/g. Answer in units of g.

5. health

True or false the endocrine system only regulates long-term changes in the body True*** False Which endocrine glad(s) are responsible for the changes associated with puberty? A. thymus gland B. reproductive glands*** C. thyroid gland D. pancreas Please

6. economics

If someone could help me with this question, that would really help. I'm just not sure what the formula would be? Suppose a market basket of goods and services includes the goods for two successive years. According to the table, between the years 2012 and

7. Math

A stone was dropped off a cliff and hit the ground with a speed of 120 ft/s. Using the fact that acceleration due to gravity is −32ft/s2, what is the height (in feet) of the cliff?

8. Math

a circle is divided into 9 equal parts. What is the angle measure of two of those parts

9. chemistry

1. Find the molality of the solution prepared by dissolving 0.238g toluene, C7H8, in 15.8g cyclohexane 2. A pure sample of the solvent phenol has a freezing point of 40.85 degrees C. A 0.414 molal solution of isopropyl alcohol was observed to have a

10. Chemistry

At the beginning of a titration to standardize the NaOH solution, Student A adjusted very carefully the initial burette volume to 0.00 mL, but he did not notice an important air bubble in the tip of the burette. At the end of the titration, the air bubble

11. Chemistry

Explain why the volume of 0.100 M NaOH required to reach the equivalence point in the titration of 25.00 mL of 0.100 M HA is the same regardless of whether HA is a strong or weak acid, yet the pH at the equivalence point is not the same

12. math

A quantity T is partly constant and partly varies as the square root of s. a) Using constant a and b, write down an equation connecting T and S. b) If S = 16, and when T = 24 and S = 36 when T = 32, find the value of the constants a and b.

13. chemistry

At 500 K in the presence of a copper surface, ethanol decomposesaccording to the following equation. C2H5OH(g) CH3CHO(g) + H2(g) The pressure of C2H5OH was measured as afunction of time and the following data were obtained. Time (s) PC2H5OH(torr) 0 250.

14. Latin I

1. Estne in Campania? a. where is Campania? b. he is in Campania, isn't he? c. he is not in Campania, is he? d. Is he in Campania? 2. Vesuviusne populum terruit? a. did vesuvius frighten the people? b. Vesuvius did not frighten the people, did it? c.

15. Language Arts

Which is the best restatement of these lines from "The Road Not Taken"? And sorry I could not travel both And be one traveler,.... A. I regret I couldn't take both roads. B. I regret I am only one person. C. I regret that I am traveling alone. D. I am

16. math

Yuri has a rope 12 meters long. He cuts into pieces that are 2 meters long. What fraction of the rope is one piece?

17. Calculus

An object has a constant acceleration of 72 feet per second squared, an initial velocity of 17 feet per second, and an initial position of 10 feet. Find the position function describing the motion of this object.

18. Social Studies

Officials whose jobs are not provided for in the constitution but are required by law are known as____ a constitutional officers b secretaries of state c deputies-**** d statutory officers True or False: The state Supreme Court is an appellate court a true

19. Language Arts

On the surface, "The Road Not Taken" is about a walk in the woods. What is the meaning of the poem on a deeper level. A. It is about traveling through life with others to help you make decisions. B. It is about loving and protecting nature by not

20. math

a rectangular block has a square base of area 49cm square its height is 10 cm find its total surface area

21. chemistry (Bohr model)

The second ionization energy of He is almost exactly four times the ionization energy of H, and the third ionization energy of Li is almost exactly nine times the ionization energy of H: IE (MJ mol-1) H(g) --> H +(g) + e- (1.3120) He+(g) --> He2+(g) + e-

22. Physics

On October 9, 1992 a 12.3 kg meteorite struck a car in Peekskill, NY; leaving a dent 22 cm deep in the trunk. If the meteorite struck the car with a speed of 550 m/s, what was the magnitude of the acceleration (assuming it was constant)?

asked by Ryan Simpson
23. L.A

Which is the best phrase of these lines from "The New World"? eagles/hie and/hover/above/the plain A. Eagles hurry and hung above the flatland B.Eagles hang in midair and wave their wings C. Eagles race and rush in an ugly way D. Eagles soar and swoop in a

24. Language Arts

TWO roads diverged in a yellow wood, And sorry I could not travel both And be one traveler, long I stood And looked down one as far as I could To where it bent in the undergrowth; 5 Then took the other, as just as fair, And having perhaps the better claim,

25. math

At the first meeting of the chess club, the 10 members decided that everyone in the club should play everyone else one time to determine the best players for the inter-school competitions. How many games had to be played?

26. chemistry

How much work is done when 2.0 liters of CH4(g) undergoes combustion in excess oxygen at 0 degrees Celsius and 1.00 bar (assuming the volume of water formed is negligible)?

27. Calculus

Use a(t)=-32 ft/second squared as the acceleration due to gravity. A ball is thrown vertically upward from the ground with an initial velocity of 96 feet per second. How high will it go?

28. math (statistics)

The following table shows the percentage of individuals in each age group who use an online tax program to prepare their federal income tax return. AGE ONLINE TAX PROGRAM (%) 18-34 16 35-44 12 45-54 10 55-64 8 65+ 2 Suppose a follow-up study consisting of

29. English

What does the "larger dome" refer to in Today by Billy Collins? If ever there were a spring day so perfect, so uplifted by a warm intermittent breeze that it made you want to throw open all the windows in the house and unlatch the door to the canary's

30. Language Arts

Diverged(branched off) In which sentence is diverged used correctly? A. Where the two roads diverged into one road, the traffic became backed up. B. The river flowed south and then diverged to the southeast and the southwest. C. The crowd was happy to be

31. Chemistry AP

Calculate the concentration of H3O + present in 0.377 M H2CO3. Answer in units of mol/L I know the Ka of H2CO3 is 4.3E-7. But I don't know what to do from there. (Or, I'm not getting the correct answer at least)

32. Calculus

Use a(t)=-32 ft/second squared as the acceleration due to gravity. A ball is thrown vertically upward from the ground with an initial velocity of 56 feet per second. For how many seconds will the ball be going upward?

33. Calculus

The rate of growth of a particular population is given by dP/dt=50t^2-100t^3/2 where P is the population size and t is the time in years. The initial population is 25,000. Find the population function. Estimate how many years it will take for the

34. College Physics

A sled at rest is suddenly pulled in three horizontal directions at the same time, but it does not move. Paul pulls to the northeast with a force of 31 lb. Johnny pulls at an angle of 36° south of due west with a force of 52 lb. Connie pulls with a force

35. algebra

The atmospheric pressure P in pounds per square inch (psi) is given by P = 14.7 e−0.21 a where a is the altitude above sea level (in miles). If a city has an atmospheric pressure of 12.31 psi, what is its altitude? (Recall that 1 mi = 5,280 ft. Round

36. physics

How fast do you need to swing a 180-g ball at the end of a string in a horizontal circle of 0.6-m radius so that the string makes a 33∘ angle relative to the horizontal?

37. Public speaking

Early theories of communication viewed public speaking as: A. a one-way transmission of messages. B. a two-way transmission of messages. C. only possible through a medium. D. an any which way transmission of messages.

38. Chemistry

What is the uses of calcium tri oxo carbonate (iv) (caco3)

39. Language Arts

In "The Road Not Taken" when Frost says two roads"....that morning equally lay/ in leaves no step had trodden black," he means that A. Both roads were covered in yellow leaves. B. Both roads were wet with dew. C. Neither road led to a place the speaker

40. Physics

Michael Jordan’s vertical leap was measured to be 122 cm. What was his takeoff speed, and how long would he be in the air?

asked by Ryan Simpson
41. science

A marathon race is 26.22 miles. How many kilometers do the runners run?

42. fundamental concepts

The kind of time sense that's learned as one goes through the daily routine is called A. cultural time. B. social activity. C. pattern. D. personal exploration. answer is b.

43. math

Integrated Math 1. The Overland Trail: Traveling at a constant Rate. Who will make it? Need help graphing 3 sets of data on one graph?

44. Math

Q. Lincoln valley elementary held its annul skating party and 3 fourths of the 400 students came. Of the students who came,1 fifths brought skates from home. How many students rented skates? A. Do I mulpite 400 by 3 fourths than get the answer than mulpite

45. statistics

An automotive manufacturer has selected 10 car seats to study the Rockwell hardness of the seat recliner mechanism. A sample of 8 has an average of 44.795 and a standard deviation of 0.402. At 95% percent confidence level, what is the interval for the

46. mathematics

From an airplane at an altitude of 1200, the angle of depression to a rock on the ground measure 28 degrees find the horizontal distance from the plane to the rock?

47. math algebra

a tabletop is shaped like a golden rectandle its lenth is 5 ft whats the able width

48. math

how many total blocks would be needed to build the model for the given base plan      

49. Math

1. At a basketball game, the ratio of the number of freshmen who attended to the number of juniors who attended was 3 to 4. The ratio of the number of juniors who attended to the number of seniors who attended was 7 to 6. What was the ratio of the number

50. physics

A box of books weighing 349 N moves with a constant velocity across the floor when it is pushed with a force of 434 N exerted downward at an angle of 37.9◦ below the horizontal. Find μk between the box and the floor.

51. math

A cylinder container of radius 15 cm has some water in it. When a solid submerged into the water, the water level rises 1.2 cm. (a) Find, the volume of the water displace by the solid leaving your answer in terms of π (b) If the solid is a circular cone

52. Chemistry

A bumblebee flies with a ground speed of 15.2 m/s. Calculate its speed in miles per hour.

53. Chemistry AP

Alright, this time, I know I have not mistyped my answer. Find the initial concentration of the weak acid or base in an aqueous solution of hydrazine (NH2NH2) with a pH of 10.16. Kb = 1.70 ×10−6 Answer in M I've tried going from 10^-pH then using that

54. science

is this an open or closed system? baking soda reacting with vinegar

55. Maths

A roll of wire is 8m 9cm long. If i cut it off into 9 pieces of equal length, what will be the length of each piece?

56. chemistry

a 1.32g sample on unknown containing KHP as a component was titrated with 22.48mL of 0.105 M NaOH to a pheolphthalein end point. what is the weight percent of KHP in the unknown sample?

57. maths physics

A lift of mass 1500 kg is raised by means of a rope passing round a drum of diameter 1.50 m. Given that the lift is accelerating upwards at 0.255 m s-2, draw a free body diagram of the lift, calculate the tension in the rope, the moment applied to the drum

asked by gale gale
58. chemistry

2SO2 + O2 = 2SO3 4.00 mols of SO2 5.00 mol of O2 in 2L of a container at 200 degrees celcius. Concentration of O2 is 2M calculate the Kc

59. Math

After a busy day of orders, a florist has 6 roses, 7 lilies, 3 carnations, 35 chrysanthemums, 27 sunflowers, 18 violets, and 9 tulips left in her inventory. Part A: Write a ratio that compares the number of roses to the number of violets. Part B: Describe

60. Basic Physics

An unknown charge sits on a conducting spherical shell of radius 10 cm. If the electric field 15 cm from the center of the sphere has the magnitude 3.0E3 N/C and is directed radially inward, what is the net charge on the sphere?

61. Physics

Calculate the final speed of a skier who skis down a 70.8 m high hill, if her initial speed is 2.18 m/s

62. English 10R - HELP!

What's the importance of the simile: "We can't let them kill us like that, like cattle in the slaughterhouse" in Night by Elie Wiesel

63. Chemistry

I know the equation 2NO + O2 --> 2NO2 A mechanism would be 2NO --> N2O2 (1) FAST N2O2 + O2 --> 2NO2 (2) SLOW How would i derive the rate equation with respect to [NO2] I've been trying but keep getting confused..

64. maths

A body of mass 11kg falls freely from rest from a height of 15m above the ground. 3m above the ground it breaks through a thin roof before continuing its fall. (a) given that the work done in breaking through the roof is 130 J. Calculate the velocity of

asked by gale gale
65. English 2

In Our Town, by Thorton Wilder, what does the rain symbolize?

66. enlish

are traditional African marriages an advantage for men only, not women

67. ds 71

A company sells its product for \$79. The company has marginal costs of \$37 and annual fixed costs of \$95,000. What is the annual total cost to produce 8,500 units of its product?

68. Chemistry

For the following reaction 2NO2 -> 2NO +O2 is second order reaction. If the initial concentration of NO2 is 0.098M and the initial rate of disappearance is 2.72e-3 M/sec , what is the value of the rate constant?

69. Trigonometry

Find cotangent theta given that cosecant theta equals -3.5891420 and theta is in the third quadrant. I was using the trig identity 1+cot^2theta=csc^2theta I wanted to isolate cotangent so I plugged in 1/sin (-3.5891420) and then squared my answer. I then

70. Geometry

Find the ratios of the perimeters and areas of the pairs of two regular pentagons with corresponding sides that measure 48cm and 54 cm.

71. Math

Lori has 14.25 cups of cupcake batter. If each cupcake uses 0.75 cups of batter. How many cupcakes can Lori make?

72. physics

a basketball player tries to make a half court jumpshot releasing the ball at the height of the basket assuming the ball is lunch at 51 degrees 14 meters from the basket what velocity musta player give the ball

73. Social Studies

What is one way Saudi Arabia and Iraq would not have to depend on oil?

74. Algebra 2

find the real solutions of each equation by graphing. 2x^4=9x^2-4 15x^4=11x^3 + 14x^2

75. engineering science n2

A stone with a mass of 6kg is thrown vertically upwards from the top of a building 35m high with a starting velocity of 20m/s. The time it will take to reach its maximum height

76. physics

A lift of mass 1500 kg is raised by means of a rope passing round a drum of diameter 1.50 m. Given that the lift is accelerating upwards at 0.255 m s-2, draw a free body diagram of the lift, calculate the tension in the rope, the moment applied to the drum

asked by gale gale
77. Physics

I am reviewing for a test and I don't know how to attempt this question. Could someone please work through this problem and then have the general steps that I need to take to solve the question? Here is the question: A rocket expels gases at a rate of 1.30

asked by Baxter Reus
78. english

One of the reform movements that arose during the "freedom's ferment" of the early nineteenth century was a drive for greater rights for women, especially in the political area. Women were heavily involved in many of the reform movements of this time, but

79. chemistry

How many moles of H2S would we expect to be formed by reaction if 3.50 moles of HNO3 reacted completely?

80. Math

What is 7/8-5/6 in simplest form? Please explain how to get your answer.

81. math

A and B are twos 360 km apart. An express bus departs from A at 8 a.m. and maintains an average speed of 90 km/h between A and B. Another bus starts From B also at 8.m. and moves towards A making four stops at four equally spaced points between B and A.

82. Math

A circle is divided into 18 equal parts.How many degrees is the angle for each part? How many degrees is the angle for 5 parts into ?

83. math

A box in the shape of a rectangular prism has a dimension of 30 meters x 27 meters x 28 meters. What is the surface area of the box?

84. Physics

Assume the brakes in your car create a constant acceleration of 4.2 m/s2 regardless of your speed. How long does it take to stop if you are initially traveling 50 km/h? What distance do you go while stopping? Repeat the calculations for an initial speed of

asked by Ryan Simpson
85. Math

1. The ratio of the number of dimes to the number of pennies in a purse is 3 to 4. If 3 pennies are taken out of the purse, the number of dimes and the number of pennies in the purse will be equal. How many dimes are in the purse? (Answer key says 9- and

86. Percentages

A team has won 60 percent of the games it has played so far. If the team wins the 15 remaining games in the season, it will have won 80 percent of the season's games. How many games will the team play over the entire season?

87. maths

A body of mass 11kg falls freely from rest from a height of 15m above the ground. 3m above the ground it breaks through a thin roof before continuing its fall. (a) given that the work done in breaking through the roof is 130 J. Calculate the velocity of

asked by gale gale
88. Physics

A bicyclist makes a trip that consists of three parts, each in the same direction (due north) along a straight road. During the first part, she rides for 23.7 minutes at an average speed of 6.31 m/s. During the second part, she rides for 25.0 minutes at an

89. linear algebra

If possible, solve the following linear systems by Cramer's rule. 2x1 + 4x2 + 6x3 = 14 x1 + 2x3 = 0 2x1 + 3x2 − x3 = 30

90. reading and literature

what does "Create an original fable with a clear moral" mean ? Am I supposed to make up my own story ?

91. chemistry

If ∆G˚= -190.60 kJ of the reaction H2+Cl2 2HCl , what is the ∆G at -10.5˚C of the system if the pressure of H2=3.2atm and the pressure of Cl2=9.7atm and the pressure of HCl= 7.65atm ?

92. Physics

I am reviewing for a test and I don't know how to attempt this question. Could someone please work through this problem and then have the general steps that I need to take to solve the question? Here is the question: A rocket expels gases at a rate of 1.30

asked by Baxter Reus
93. Calculus

If Y = SecXTanX, find y" 4y' 4y. I can easily do the second part of the question if I could if only I could find d first and second derivative of SecXTanX, pls do help.

94. Physics

0.5kg of orange squash at 30 degrees celcius is placed in a refrigerator which can remove heat at an average rate of 20J/s.How long will it take to cool the orange squash to 5 degrees celcius (the specific heat capacity is 4200J/kg degrees celcius)

95. statistics

A manufacturer of light bulbs has sampled 40 bulbs in order to determine the population mean life of the bulbs. The sample mean was 1,200 hours with a standard deviation of 100. The manufacturer would like to know, with 95% confidence, the interval values

96. statistics

A sample distribution (closely approximating a normal distribution) of a critical part dimension has an average of 11.85 inches and a sample standard deviation of 1.33 inches. The lower specification limit is 11.41 inches. The upper specification limit is

97. maths

A lift of mass 1500 kg is raised by means of a rope passing round a drum of diameter 1.50 m. Given that the lift is accelerating upwards at 0.255 m s-2, draw a free body diagram of the lift, calculate the tension in the rope, the moment applied to the drum

asked by gale gale
98. trig

A man is between two tall buildings 8m away from the taller building. If the angle of the top of the building from where he stans bears N 8degrees W for the taller one and N 12degrees E for other. How far is he from the other building if the taller

99. math

suppose im trying to build a rectangular garden but I only have 24 meters of fence to use. so what is the largest area I can make my rectangular garden? please help I don't get it! I have to use the USE format and I don't get the question can you just

100. Physics

A proton is initially at rest in empty space, when suddenly an electric field of magnitude 8.0 x 10 4 n/c and direction due east is turned on. what is the magnitude and direction of the initial acceleration of the proton? Repeat the problem, but with an

101. math

An object is thrown vertically so that its height in feet above the ground x seconds after it is thrown can be found using the following quadratic function f(x)=-16x^2+64x+80

102. Physics

I am reviewing for a test and I don't know how to attempt this question. Could someone please work through this problem and then have the general steps that I need to take to solve the question? Here is the question: A rocket expels gases at a rate of 1.30

asked by Baxter Reus
103. Mat104

ind the future value, using the future value formula and a calculator. (Round your answer to the nearest cent.) \$955 at 5.5% compounded quarterly for 3 years

104. Math

Suppose you find the ratio of the lengths of adjacent sides in a parallelogram. This ratio is equivalent to the ratio of the adjacent sides in another parallelogram. Are the figures similar? Explain.

105. accounting

What is the amount of the tax liability for a single person having taxable income of \$59,200? All answers should be rounded to the nearest dollar.

106. Chemistry

The following reaction has ΔG° = -190.60 kJ: H2(g) + Cl2(g) ⇌ 2 HCl (g) All three gases are placed in a sealed vessel. What is the ΔG at -10.5 °C of the system if the pressure of H2 is 3.2 atm, the pressure of Cl2 is 9.7 atm, and the pressure of HCl

107. math

if a driver is at an acute angle and wants to be completely straight as she enters the pool. what will be the measure of the angle her body will form then?

108. Geometry

The areas of two similar triangles are in the ratio 36:25. If one side of the larger triangle is 60cm, what is the length of the corresponding side of the other triangle?

109. Vector Cross & Dot Product

Given vector a=(2,1,0)and vector b=(-1,0,3) and vector c=(4,-1,1), calculate the following triple scalar and triple vector products. 1. c x a dot b What I did: c x a = ((-1)(0)-(1)(1), (1)(2)-(4)(0), (-1)(2)-(4)(1) =(-1, 2, -6) (cxa) dot b =(-1,2,-6) dot

110. PSC

If y is directly proportional to x and y = 65 when x = 33, find y if x = 44 . (Round off your answer to the nearest hundredth.)

111. Statistics

Suppose we have yo estimate the average number of purchases in a given hour in a given hour at a convenient store. Using this example describe in your own words how you would go about this determining this average through: A.) Drawing a random sample B.) A

112. Lusaka business and tecnical college

A uniform rod AB is 2m Long. The rod, which exerts a downward force of 60N at its center, is placed on a knife edge support positioned 0.8m from A. Determine the vertical downward force required at A to prevent rotation.

113. Calculus

Write the definite integral for the area of the region lying in the upper half of the ellipse given by 4x^2+y^2=4

114. Pre-Calculus

A corpse was discovered in a motel room at midnight and uts temperature was 82°F. The temperature dropped to 80.5°F two hours later. Given k is a constant for the object in question, S is the surrounding temperature, t represents the time and theta(of

115. maths

Draw a right -handed rectangular reference frame with axes ranges x = -5 to +5, y = -5 to +10 , z = -5 to +5. Sketch the following planes on your reference frame. X-y plane passing through z =5, y-z plane passing through x = -2, z-x plane passing through y

asked by gale gale
116. Chemistry

how do you make 50ml of .1 molar solution of benzylamine in acetonitrile

117. Biology

If the number of ___ in an atom is changed, an ion will be produced. a)proton b)neutron c)electron Could be multiple answers

118. Math

Makala made 32 of 60 free throws. What is the experimental probability that Makala will not make the next free throw she attempts. Would it be 8 out of 15 and do u divide

119. Calculus

Can someone show me a step by step process, along with explanations on how to do this problem? Thank you. :) Evaluate the integral ∫ [(x^2 - 1)/(x^2 + 1)]dx?

120. math

The radius of circle is given as 2.8 cm to 2 significant figure (a) If C is the circumference of the circle, determine the limits between which C/π lies. (b) By taking π be 3.14; find to 4 significant figures the line between which the circumference lies

121. English

1. She sucked a mint. 2. She sucked on a mint. 3. She sucked at a mint. 4. Stop sucking your thumb! 5. Stop sucking on your thumb! 6. Stop sucking at your thumb! 7. The baby sucked its mother's breast. 8. The baby sucked at its mother's breast. 9. The baby

122. Science

I am reviewing for a test and I don't know how to attempt this question. Could someone please work through this problem and then have the general steps that I need to take to solve the question? Here is the question: A rocket expels gases at a rate of 1.30

asked by Baxter Reus
123. Vectprs and Scalars

Why are some of these scalars and others are vectors? What's the difference and how can you tell? 1. a dot (b x c) 2. (a dot b) x (b dot c) 3. (a + b) dot c 4. a x (b dot c) 5. (a x b) dot (b x c) 6. (a + b) x c 7. a dot (b dot c) 8. (a x b) + (b x c) 9.

124. maths

solve the following system of linear equation by matrix method:- 12p+4q+17r+11s=5 14p+8q+9r+4s=8 3p+7q+2r+5s=12 5p+12q+9r+7s=7

125. English

I have to write a poem or a story for my English class. Do you have any ideas?

126. math,algebra

Suppose that the perimeter of a rectangle is 48 ft and the length is thrice the width. What are the idmensions of this rectangle and what is the area?

127. math

Nicole is making a bowl of chex mix to serve her guests.She has already put 45 cups of nuts.410 cups of raisins and 112 cups of chocolate chips in the bowl,If she wants to make four cups total, how much chex cereal will she need to add?

128. Math

Adam wants to compare the fractions 2/5, 1/6 and 1/3. He wants to order them from least to greatest and rewrite them so they all have th same denominator. Explain how Adam can rewrite the fractions.

129. science

1) The force of gravity on the moon is 1/6 the force of gravity on earth. If you had a 1 kg box of cereal on earth which had a weight of 2.4 N, what would its mass be on the moon? why? 2) what is the volume of a textbook with dimensions 21.3 cm, 27.5 cm,

130. Math

The distance from the pole in the center of the tetherball circle to the painted circle is about 6 feet. What was the approximate radius of the tetherball circle?

131. Biology

A change in the number of ___ will change the mass of a given atom. a)proton b)neutron c)electron

132. math

Davida bought a pair of earrings, each in the shape of an isosceles triangle with equal side lengths of 24 mm and a base length of 16 mm. She used one earring to make another pair of earrings, similar in shape, with the base length equal to 11 mm. What is

133. Math 110

Find intervals of increase/decrease and classify all critical points of (a)g(x)=cos(􏰀x/(￼￼x2 +9)) (b) f(x)=x5/3 −x2/3

134. Math

What is 100^2-99^2+98^2-97^2+96^2-95^2 +...+ 4^2-3^2+2^2-1^2 ? (Find an expression where n is the largest number being squared, then use it to calculate the sum when n = 100. Hint: Examine specific cases where n is small. Then generalize).

135. math

Unroll has 6 yards of ribbon. She needs 1/5 to make 1bow. How many bows can she make? Explain how to write the equation an by using representation

136. Math

To make granola, mix together 3/8 of a cup of cereal with 1/6 of a cup of honey. How many cups of granola will the recipe make?

137. physics

a basketball player tries to make a half court jumpshot releasing the ball at the height of the basket assuming the ball is lunch at 51 degrees 14 meters from the basket what velocity musta player give the ball

138. Finance

The Joseph Company has a stock issue that pays a fixed dividend of \$3.00 per share annually. Investors believe the nominal risk-free rate is 4 percent and that this stock should have a risk premium of 6 percent. What should be the value of this stock? TO

139. Math

A bowl contained 68.1 grams of salt. Then, Latoya poured in another 28.49 grams. How much salt does the bowl contain now

asked by Haylee b
140. math

Find two numbers (exactly) whose product is 10 and whose sum is 18.

141. Algebra 2

solve each equation. check for extraneous solutions. sqrt(2x+1)+sqrt(2x+6)=5 please show work!!!!!

142. Percentages ques 2

car A costs 20 percent less than car B. Car B costs twice as much as Car C. The cost of Car C is what percent of the cost of Car A? How do I set up this question? What should the process of thinking be for these questions?

143. algibra

The number of students in each homeroom class in Jim’s school is shown in the stem-and-leaf plot below. Number of Students in Each Homeroom Class 1 7 8 8 9 9 2 0 2 3 4 5 8 8 8 3 2 3 4 7

144. french

Ce que or ce qui? 1. _______ est evident pour tout le monde, c'est la raison de cette manifestation. 2. _________ le gouvernement va creer, ce sont des emplois pour les jeunes. I am having difficulty understanding when to use ce que or ce qui in a sentence

145. trig

From post C, An airplane and a helicopter travel to different islands.The plane travels.415 km N 60degrees45minutes E to island A. and the helicopter travels to island B at S 19degrees5minutes E for 120 km. what is the distance between tthe two island

146. Math Probability Outcome

A drawer contains 8 white socks and 5 black socks if two socks are chosen and you get 2 pair of white socks what is the probability outcome???

147. math

) Among the integers from 1 to 10, 000, 000, 000 which are there more of: Those in which the digit 1 occurs or those in which it does not occur? please prove

148. algebra

Use the formula d = 1.22ãx to estimate how many miles a 5-foot-tall person can see standing on the deck of a ship that is 50 feet above the ocean.

149. math

srry. the question was I have a rectangular garden and I only have 24 meters of fence to go around it. so what is the largest area I can make the rectangular garden. thanks for your time and sorry for bothering! I just need help to figure this out.

150. Calc

1.) Evaluate Lim x->0 (tanx/x) 2.) Find the equations of the lines that pass through the point (0,-2) and are tangent to the graph of y=x^2 3.) Find (d^2*y)/dx^2 and (dy/dx)^2, given that y=7x

151. Math- Calculus

I need help with these problems, I cannot find a similar example to help me in the book: 1. Find lim x->infinity (e^(-2x) + sin x). 2. Find the derivative of sqrt(9-x) using the limit process. 3. Find lim x-> -infinity (x + sqrt(x^2 + 2x)). 4. Show that

152. Cross Product of Vectors

Find a unit vector perpendicular to a=(4,-3,1) and b=(2,3,-1) What I did: a x b = ((-3)(-1)-(3)(1), (1)(2)-(-1)(4), (4)(3) - (2)(-3)) =(0,6,18) Answer is (0, 1/square root 10, 3/square root 10)

153. Language Arts

Poor restless dove, I pity thee; And when I hear thy plaintive moan, I mourn for thy captivity, And in thy woes forget mine own. To see thee stand prepared to fly, And flap those useless wings of thine, And gaze into the distant sky, Would melt a harder

154. organic chemistry

What is the negative part reagent in the markovnikov's rule ? It's urgent ...

155. math

a rectangular block has a square box is 486 cm find the length of an edge of this box

156. Differentiation

If Y = e^tanx, find dy/dx

157. stats

If Gallup has used an sis of size n=1021 and obtained the sample proportion p= 0.52 ,you can calculate that the margin of error for 95% confidence would be

158. Physics

When going up stairs does a person who has more mass do more work and exert more power?

159. College physics

How much work (kJ) must a car produce to drive 239 miles if an average force of 369 N must be maintained to overcome friction?

160. math

Kim has \$4.75 in nickels and dimes. If she has twice as many dimes as nickels, how many of each coin does she have?

asked by Irene Wu
161. Biology

if the number of ____ in an atom is changed, it is no longer the same element. a)proton b)neutron c)electron I'm thinking it's A, what do you think? It could be multiple answers, too.

162. maths

Show weher the equation is exact and find its primitive (3e^3x y - 2x)dx + e^3x dy=0

163. Calculus

Sketch the region enclosed by the curves x= 49-y^2 and x = y^2 - 49. Decide whether to integrate with respect to x or y. Then find the area of the region.

164. Biology

The chemical reactivity of an atom is determined by the number of ___ present. a) proton b) neutron c) electron could be multiple answers.

165. physics

What is an object that is launched into the air and undergoes free fall

166. Math

Let f(x) = 2x + 1 − sin(x), how many roots does f(x) have in the interval [−π, π]? Use the next steps to prove that it has only one root. a) Use the Intermediate Value Theorem to show that f(x) has at least one root. (b) Explain why f(x) is

167. math algebra

how do you factor 3x^3y+x^2y^2? i kind of don't understand the concept of factoring can you help? Thanks.

168. Chemistry

Phenolthalein is a weak acid, explain what it means to be a weak acid and look up phenolthalein’s pKa.

169. Math

I am lost helping my 3rd grade granddaughter... This is what this problem shows and nothing else What property does this show? ****=* * * *

170. chemistry

Which region of the color spectrum does 14 x 10^16 exist in? I can't figure out this question but I got all the others

171. Corporate Finance

Newcastle auto plc has a current cash flow of 4.4 million and pays no dividends. The Present value of the company ´s future cash flows is 74 million. The company is entirely financed with equity and has 800.000 shares outstanding. Assume the dividend tax

172. Math

Helping 3rd grade granddaughter and I am lost What property does this show? ****=* * * * This is all that is shown

173. MATH - exponent laws

how do you evaluated this? (-)sign ↓ _ __________( -11/-17)^-10 line is divide (9/5)^1/10

174. Basic science

What is the uses of (caco3)

175. Math

Familling new carpet and wants to know how much carpert they need , but they olso know that carpet is sold by the square yard. 23feetx9feetx6feet x 3feetx10 feetx19feet

176. math

Solve the equation cos (3θ +120°) = √(3 /2 for 0° ≤ θ≤ 180°

177. Algebra 2

Solve each equation. x^4 -x=0 x^4-81=0

178. University Physics II

1. A voltage of 13 V is applied across the ends of a piece of copper wire 8 cm long. The mass of an electron is 9.11 × 10−31 kg and its charge is 1.6 × 10−19 C. What is the magnitude of the electron’s acceleration? Answer in units of m/s2. 2. After

179. Algebra 2

solve each equation. check for extraneous solution. sqrt(3x+4)-sqrt(2x-7)=3 please show work!!!!!

180. math

You will receive Sh. 20,000 five years from now. The discount rate is 8 percent. What is the value of your investment today?

181. Algebra 2

simplify each expression. rationalize all denominators. assume that all variables are positive (1-sqrt(3x))/(sqrt(6x)) Please show work!!!!

182. math

They're 32 more apples than oranges at a fruitstand. Howany apples and oranges could there be?

183. physics

would someone in a lift feel lighter or heavier as it accelerated upwards? explain your answer.

asked by gale gale
184. Math Probability Outcome

A drawer contains 8 white socks and 5 black socks if two socks are chosen and you get 2 pair of white socks what is the probability outcome???

185. economic theory

assume that a business firm produces two commod ities, X and Y, with two different inpu ts, Labour (L) and Capital (K). The total quantities of L and K available per un it of time are specified as L = 1600 labour hours; and K = 20 00 units. In addition,

186. Math Question

Hello! I need help with this question. I have an answer but I wanted to make sure it's correct. Thanks! Question: Which of the following is NOT a trigonometric identity? Answers Given: A.) 1-cos^2x=sin^2x B.) sin^2x+1=cos^2x C.) 1+cot^2x=csc^2x D.)

187. Vb

What is the error in the following array declaration ? Dim intA(4) As Integer = (23,12,-15,76)

asked by Denise S
188. Physics

How do I find the recoil velocity of the earth immediately after the popper popped?

189. science

What happens when a charged object (plastic) is brought close to another oppositely charged object (glass).

190. Grade 9 French

I need help I'm trying to find a rap to help me with the present and irregular verbs

191. math

The curve y= ax^3 -3x^2 -2x + 1 has the gradient 7 when x = 1. Find the value of a.

192. physics 105

How many cubic feet will 44lb of CO2 occupy at STP

193. math

If someone can explain how to do this problem so I can learn and understand. you have a sample of 50 people. Based on the histogram, find the proportion of weight loss values in the sample that are less than 10 pounds. Write your answer as a decimal, and

asked by Mary Ann
194. Biology

The nucleus of an atom will NOT contain a)proton b)neutron c)electron could be multiple answers

195. Biology

Why do males have a higher blood pressure than females

196. math

The position of two towns X and Y are given to the nearest degree as X(45° N, 10° W) and Y (45 N°, 70° W). Find (a) The distance between the two towns in (i) Kilometers ( take the radius of the earth as 63711) (ii) Nautical miles ( take I nautical mile

197. math

If You Have 6,7.2,4.8,10,and 6 on A triangular prism What is the length width and the height

198. Vb

What is the error in the following array declaration? Dim intA(4) As Integrr = (23,12,-15,76)

asked by Denise S
199. English

could You help me with this sentence and combine it together please? they should be able to save more money because they are sharing expenses. If they shared expenses they could save money and be able to get their own place to live.

200. arithmetic progressions

how to know whether i should use formulaes in this question or that question becoz i colllapsed and put the formulae to another question

201. english

Summary of best seller??

202. ant 101

What is purdah

203. math

the grade of 8 students on a 10-point test were 1,3,5,5,7,8,9,10 comute the mean of these scores