# Questions Asked onJanuary 28, 2014

1. ## Calculus

Find two numbers whose difference is 132 and whose product is a minimum.

2. ## Math

3. find the four angles that define the fourth root of z1=1+ sqrt3*i z = 2 * (1/2 + i * sqrt(3)/2) z = 2 * (cos(pi/3 + 2pi * k) + i * sin(pi/3 + 2pi * k)) z = 2 * (cos((pi/3) * (1 + 6k)) + i * sin((pi/3) * (1 + 6k))) z^(1/4) = 2^(1/4) * (cos((pi/12) * (1 +

3. ## maths

The sum of a number and four times its reciprocal is 5.Find possible values of the number.

4. ## Calculus

A box with a square base and open top must have a volume of 4,000 cm3. Find the dimensions of the box that minimize the amount of material used.

5. ## Math help

1. Find the measure of

6. ## Math

An air conditioning salesperson receives a base salary of \$2850 per month plus a commission. The commission is 2% of the sales up to and including \$25,000 for the month and 5% of the sales over \$25,000 for the month. a. Write a piecewise function that

7. ## chemistry

calculate the percentages by mass of the component element in sodium trioxonitrate(v)

8. ## Calculus

Find the critical numbers of the function. h(t) = t3/4 − 5t1/4

9. ## world history

what was African society and economy like prior to European imperialism?

10. ## Science ~CHECK MY WORK PLEASE~

A scientist is trying to determine the identity of an element. It is highly reactive in water and forms an ionic bond with chlorine. It is also very shiny. The element is likely A. From Group 17 ********** B. From Group 1 C. From Group 15 D. A Noble Gas

11. ## maths

Find two numbers whose sum is 39 and the greater number exceeds the smaller one by five.

12. ## Statistics

WEB CALCULATOR EXERCISE Descriptive Statistics 1 The table below presents data for a sample of people who completed a religious survey. Age Gender Denomination Church Attendance 56 1 7 4 46 2 6 5 49 2 6 5 49 1 1 5 27 2 9 5 51 1 4 2 47 2 2 3 67 1 5 4 49 2 2

13. ## Physics

Calculate the percentage of Earth’s gravitational force on the ISS astronauts while orbiting at an altitude of 248 miles above Earth’s surface. To do this, compare the gravitational force on an orbiting astronaut to the force on the astronaut here at

14. ## math

taylor baked a cake to serve after dinner. suppose she cut the cake into 8 equal size pieces and 6 people ate all the pieces. explain how they could have didided the pieces so that everyone ate the same amount of cake. you may show you work in a drawing.

pls help asap! check my answers: In the diagram, lines m and n are parallel. If m¡Ð2 = 150¡Æ, find the measure of the following angles. 1. ¡Ð4 = ? (1 point) 120¨¬ 50¨¬ 30¨¬ 150¨¬ 2. ¡Ð6 = (1 point) 150¨¬ 130¨¬ 15¨¬ 30¨¬ 3. ¡Ð8 =

16. ## Calculus

Find the absolute maximum and absolute minimum values of f on the given interval. f(x) = (x2 - 1)3 [-1, 6]

17. ## psychology

need help on a one page paper about resiliencey in a child you know. need to describe their personal characteristics, did they have a warm relationship with at least one parent and what about social support

18. ## integer

For example is -1.66 is an integer or a rational number?? Pls. Help!

19. ## Science -CHECK MY WORK-

a.) How can you describe the location of vanadium (V, atomic number 23) on the periodic table? Choose all that apply. 1. period 5, group 4 2. period 4, group 5 3. lanthanum series 4. nonmetals 5. transition metals b.) What is true about the element calcium

20. ## Math

2 Gears are in their starting position. Gear 1 has 6 teeth. Gear 2 has 8 teeth. As gear 1 turns, it causes gear 2 to turn at a different rate. Gear 1 is rotated until the two gears are back at starting position. What is the minimum number of rotations Gear

21. ## ASAP Help thankies everybody History

Why did Congress pass the Tariffs of 1816, which raised the price of British made goods? a. The government wanted to encourage people to buy American-made products to help American businesses grow. b. The government wanted to weaken the British economy and

22. ## Science

Which era of geologic time was the longest? HOLOCENE PLEISTOCENE PLIOCENE MIOCENE OLIGOCENE EOCENE PALEOCENE

23. ## To: Anonymous

How are yeah?

24. ## algebra 1

which deal gives you more pizza: two six inch pizzas or one ten inch pizza

25. ## math

destiny has 6 library books on her desk. one third of them are about animals. how many of destiny's library books are about animal?

26. ## statistics

Using the descriptive statistics for the weight of the babies in ounces suppose a friend of yours has given birth to a 10 pound 3 ounce baby. Is this unusual? why or why not?

27. ## Chemistry

Can you list some chemical equations about water pollution? At least 5.

28. ## Algebra

Find the common ratio of the sequence below. 2, 4, 8, 16,... Is the common ratio 2?

29. ## math

six friends share 5 small pizzas. each friend first eats half a pizza. how much more pizza does each friend need to eat to finish all the pizzas and share them equally?

30. ## Physics Help

You're driving at 39km/h , when the traffic light 25m away turns yellow. I need to find the constant acceleration required to stop at the light, the stopping time, and weather the acceleration is reasonable. I know how to find the average and instantaneous

31. ## calculus

If the nth partial sum of an is sn=(3n-2)/(n+1) what is an when x>1? and what is the sum of an?

32. ## HEALTH SCIENCES

. Who or what determines the information to be included in an incident report? A. Department of Health and Human Services B. Health care facility C. HIPAA D. JCAHO

33. ## Physical Science

A machine you designed has an efficiency of 60%. What happens to 60% of the work put into the machine, and what happens to the other 40%?

34. ## Physics 2

2 spheres of equal diameters have a positive 15 micro column and negative 10 micro column charge if they are place 5 cm apart what would be the force of attraction between them.

35. ## Excelsior

he following transactions occurred during March 2009 for the Wainwright Corporation. The company owns and operates a wholesale warehouse. 1. Issued 30,000 shares of common stock in exchange for \$300,000 in cash. 2. Purchased equipment of a cost of \$40,000.

36. ## Science ~CHECK MY WORK PLEASE~

Both carbon dioxide and water are pure substances. How are they similar to each other? A.) both substances have a set ratio of atoms that cannot be separated by physical means. B.) both substances have a set ratio of atoms that can be separated by physical

37. ## density and pressure

calculate the mass of air in a room measuring 5m*8m*10m if the density of air is 1.3kg/m cube

38. ## Science ~CHECK MY WORK PLEASE~

Felipe made a toy boat out of clay, but it kept sinking in water. He changed the boat's design by making it slightly wider than before. Why did Felipe's newly designed boat float on water? A. He decreased the density by increasing the volume. B. He

39. ## biology

In which stage of mitosis does DNA replication occur?

40. ## science ~CHECK MY WORK PLEASE~

1) Both carbon dioxide and water are pure substances. How are they similar to each other? A. both substances have a set ratio of atoms that cannot be separated by physical means. B. both substances have a set ratio of atoms that can be separated by

41. ## Math

A certain country taxes the first \$20,000 of an individual's income at a rate of 15%, and all income over \$20,000 is taxed at 20%. a. Al makes \$16,000. Betty makes \$36,000. How much is each taxed? b. Write a piecewise function T that specifies the total

42. ## Chemistry

What is the reaction between methanol and ethanoic acid when heated?

43. ## Science ~ Structures and Properties of Matter

1) Both carbon dioxide and water are pure substances. How are they similar to each other? A. both substances have a set ratio of atoms that cannot be separated by physical means. B. both substances have a set ratio of atoms that can be separated by

44. ## Personal help

What's the best way to get a baby to sleep?

45. ## Chemistry

(a)What is the pH of a solution made by combining 200 mL of 0.1 M Lactic Acid with 300 mL of 0.075 M sodium lactate? (b) If 20 mL of 0.4 M HCl is added to the solution from (a) what is the resulting pH?

46. ## Calculus

Find the absolute minimum and absolute maximum values of f on the interval below. f(x) = x4 - 8x2 + 6 [-3, 4]

47. ## Chemical Bonds

metal cations are atoms that have a positive charge. what type of bond is a metal cation likely to form?

48. ## Math help

I need help solving each equation by the substitution method. 1. X=5y-1 X+2y=13 2. -2x+3y=11 X=4y-3 3. X=-9y-1 2x+4y=5 I need help on these so please guide me in the right direction because I'm struggling on this topic!!

49. ## Algebra 1

Matthew's wading pool is 6-fet across and 18 inches high. How much water does it take to fill the pool a foot deep?

50. ## physic

The drawing shows a device that you can make with a piece of cardboard, which can be used to measure a person's reaction time. Hold the card at the top and suddenly drop it. Ask a friend to try to catch the card between his or her thumb and index finger.

51. ## math

how do I multiply 53.33 100

52. ## American History

General Grant army came closest to defeat in the West as a result of a surprise Confederate ast the battle of B. Shiloh C. Manassas D. Vicksburg I choose B

53. ## math

A soccer team played 16 games during their season. They won 75% of the games. How many games did the team win? How many games did the team lose?

54. ## Chemistry

Colligative Properties The freezing point of distilled water was determined by recording a thermogram: -0.176 degrees Celsius. The freezing point of a 0.200 m (molality) solution containing an unknown, ionic compound was determined by recording a second

55. ## math

A soccer team played 16 games during their season. They won 75% of the games. How many games did the team win? How many games did the team lose?

56. ## chemistry

equation for joules needed to increase water temp

57. ## math

A girls softball team has 3 pitchers. The pitchers make up 20% of the team. How many total players are on the softball team?

58. ## Science

Seahorses change color and swim together in predetermined ways before mating. The behaviors are called....... A.asexual reproduction. B. sexual reproduction. C. courtship rituals. D. budding.

59. ## fractions as division word problems

5 people want to share a 2 pound bag of peanuts equally how many pounds would each person get.

60. ## math

Pre-Cal between 0 degree C and 30 degree C the volume V (in cubic centimeters) of 1kg of water at a temperature T is given by the formula. V=999.87-0.06426T+0.0085043T^2-0.0000679T^3 Find the temperature at which the volume of 1 kg of water is a minimum.

61. ## PHYSICS

A proton, initially traveling in the +x-direction with a speed of 5.30×105m/s , enters a uniform electric field directed vertically upward. After traveling in this field for 4.38×10−7s , the proton’s velocity is directed 45 ∘ above the +x-axis.

62. ## History

Can some one direct me to where I can find Curtis Nettels saying "Thomas Jefferson came into his first administration spelling Jeffersonianism forwards and came out of his second term spelling it backwards" I have never heard this saying and I need to

63. ## math

braden bought 4 packs of dog treats. he gave 4 treats to his neighbor's dog. now braden has 24 treats left for his dog. how many dog treats were in each pack?

64. ## physics

A diver springs upward with an initial speed of 2.58 m/s from a 3.0-m board. (a) Find the velocity with which he strikes the water.(b) What is the highest point he reaches above the water?

65. ## A=A==

how much frosting does it take to frost 24 cupcakes? Assume a cupcake has a 1 inch radius.

1. sin(tan^-1(4/3))=4/5 2. find the angle whose tangent equals 0. tan^-1(cos(pi/2))=0

67. ## Strayer

Which of the following units could be associated with a vector quantity

68. ## math

the new highway will be a total of 54 miles long . will the highway be finish in 8 months

69. ## Science

A 15.3 kg object is dropped from an initial height of 33.5m above the ground. Find the speed when it hits the ground.

70. ## math

A ladder is 2 m long. It leans against a wall so that it is 90 cm from the base of the wall. How far up the wall does the ladder reach? Put your answer in m. Round to 3 sig fig.

71. ## Science

A male peacock displays his colorful tail in order to...... A. increase the success rate of asexual reproduction B. increase the gestation period. C. release gametes into his surroundings D. attract a mate

72. ## Math question

The measure of Ú4 is 125‹. Find the easure of Ú1. angle intersect 50‹ 130‹ 125‹ 55

73. ## Consumer Math

The quoient of 5/31 divided by 15/23 , reduced to lowest fraction is B. 23/93 C. 75/373 D. 93/23 or 4 1/23 I choose D

74. ## Trigonometry

Give the domain of the function f(x) = 2 / (x+4) in interval notation.

75. ## Physical science

State the mathematical relationship between the net force acting on an object and the time taken to change the objects momentum

76. ## Science

Think of 5 adaptations for a made up animal in an aquatic environment

77. ## algebra

Bob and bill leave the ice cream store at the same time going in opposite directions. If Bob walks 4 miles per hour and Bill walks 3 miles per hour in how many hours will they be 10.5 miles apart

78. ## Writing Evaluation (Writeacher)

Should I revise anything? "I don't possess many memories that consist of baseball, as I have never watched an actual game or played the sport. However, when I think about it, the film The Sandlot, a 1993 American coming-of-age film directed by David M.

79. ## math

suppose there are 2 pieces of the cake left over, but you don't know how many pieces were in the whole cake. explain how you could find the number of pieces in the whole cake if taylor told you 1/6 of the cake was left. you may show your work in a drawing.

80. ## Math

Consider the sequence 2, 6, 18, 54,... Let n = the term number in the sequence. Let A(n) = the value of the nth term in the sequence. A(1) = 2 = 2 X 3^0 A(2) = 6 = 2 X 3 = 2 X 3^1 A(3) = 18 = 2 X 3 X 3 = 2 X 3^2 A(4) = 54 = 2 X 3 X 3 X 3 = 2 X 3^3 What is

3(x-2)^4=24

82. ## bio statistics

using descriptive statistics for weight gain, a friend of yours had a baby and gained approximately 30 pounds during pregnancy. Explain to her why she should not be too depressed over this occurrence.

83. ## Social Studies

What agreement set the official border of the Louisiana Territory between Canada and the United States? A. Rush-Bagot B. Monroe Doctrine C. Adams-Onis Treaty D. Convention of 1818 Can you please check this, my answer is C. Am I right?

84. ## algebra 2

Cube root (x+8)-6=-2

85. ## math

A rectangular field is to have an area of 500 sq m. a) write the perimeter, P, of the field as a function of the width, w. b) find the domain of the function in part a. c) use a graphing calculator to sketch the graph of the function in part a. d) describe

86. ## Science

Which of the following is disadvantage of internal fertilization? A. Gametes are released into the surroundings. B. Gametes may get washed away. C. The developing zygote is protected. D. Larger numbers of eggs can be fertilized at one time

87. ## Math

A store advertises that all sports equipment is 30% off the retail price. In addition, the store asks customers to select and pop a balloon to receive a coupon for an additional n percent off the already marked down price of one of their purchases. Write

88. ## music

In class I have to write a report on a music star so I chose marylin manson can someone tell me about him?

89. ## Writing Evaluation (Writeacher)

Should I revise anything? In my opinion, the use of “scary things” as entertainment is redundant. I mean, honestly, what on earth is so enjoyable about fear? Fear is what haunts us and frightened us even as young children. Yes, we are taught to face

90. ## math

Triangles C and D are congruent. If the area of the rectangle is 20 square units, what is the area of the triangle C?

91. ## Math

A store advertises that all sports equipment is 30% off the retail price. In addition, the store asks customers to select and pop a balloon to receive a coupon for an additional n percent off the already marked down price of one of their purchases. Write

92. ## Math

I have a triangle with one side 2y^2-3, a side with 2y^2+y+5, and the other side y^2+y+5. I had to write expression and simplify. This is what I got: (2y^2-3)+(y^2+y+5)+(2y^2+y+5) =5y^2+2y+7 I now have to determine the perimeter if y=3cm. I don't know how

93. ## ameican history

Anti-Catholic sentiment erupted in Maryland when, in 1689, news arrived of the deposition of

94. ## EARTH SCIENCE- SO STUCK

How far from an earthquake epicenter is a city where the difference between the P-wave and the S-wave arrival times is 5 minutes and 00 seconds?

95. ## social psychology

Assume that an individual engages in behaviors that are in conflict with their stated religious beliefs, and they experience dissonance. What impact might this have on their beliefs? What might allow people to productively resolve that dissonance?

96. ## Physics

What is the instantaneous velocity of a freely falling object 7.0s after it is released from a position of rest? What is its average velocity during this 7.0-s interval? How far will it fall during this time?

97. ## Physics

Spring on Incline The block in the figure is initially at rest on an inclined plane at the equilibrium position that it would have if there were no friction between the block and the plane. How much work is required to move the block 25 cm down the plane

98. ## Engl.

Simple subject and predicate? The villagers were afraid the volcano would erupt. simple subject....villagers simple predicate...were

99. ## Physics

A metal with a work function of 2.40 eV is illuminated by a beam of monochromatic light. If the stopping potential is 2.5V, what is the wavelength of the light?

100. ## Engl.

Simple subject and predicate? The customs officals planned to seize a huge shipment of heroin when it arrived. SS...officals sp...planned

101. ## Algebra Help

Consider the sequence 2, 6, 18, 54,... Let n = the term number in the sequence. Let A(n) = the value of the nth term in the sequence. A(1) = 2 = 2 X 3^0 A(2) = 6 = 2 X 3 = 2 X 3^1 A(3) = 18 = 2 X 3 X 3 = 2 X 3^2 A(4) = 54 = 2 X 3 X 3 X 3 = 2 X 3^3 What is

102. ## Engl

Simple subject and predicate? Officals hope the new shopping mall will increase pedestrian traffic and lure shoppers to the downtown area. ss...officals sp...hope

103. ## physics

A block of mass m1 = 28 kg rests on a wedge of angle θ = 53∘ which is itself attached to a table (the wedge does not move in this problem). An inextensible string is attached to m1, passes over a frictionless pulley at the top of the wedge, and is then

104. ## math

A new plasma screen tv cost \$4600.A family makes a down payment of \$136 and pays off the balance in 36 equal monthly payments.Write an equation to find the monthly payment.

105. ## Physics

A small rocket is fired in a test range. It rises high into the air and soon runs out of fuel. On the way down it passes near an observer (sitting in a 22.5-m-high tower) who sees the rocket traveling at a speed of 37.9 m/s and moving in a vertical plane

106. ## Anatomy & Physiology

1. A young man happens to spot an ex-girlfriend he's trying to avoid. Why does his mouth become dry? A. His cranial nerves shut down saliva production. B. His central nervous system shuts down saliva production. C. His sympathetic nervous system overrides

107. ## math

8.6% net profit 3,000,000 revenues how do you find the profit

108. ## math

On a class trip there wre 30 more girls than boys.The total number of students on the trip was 210.Write and solve an equation to find the number of girls and the number of boys on the class trip.

109. ## algebra

solve: |4x-3/6|=|5-5x/10|

110. ## algebra 1

frosting a layer cake involves frosting the top, a middle layer and the outside. A typical cake has a 9 inch diameter and is 4 inches high. Calculate the surface area of the cake that is frosted

111. ## Science

Some animals, but not humans, have an organ called a gizzard located near the top of their digestive tract. This organ is small and can contain small rocks. It also has thick, muscular walls. Based on this physical description, which of the following is

112. ## Math

g(n) = n^3 - 5n^2 ; Find g(-4n)

113. ## Science

43Lb has a half life of 42 minutes. If you start with 100 grams, how many grams will you have after 84 minutes?

114. ## Chemistry

Colligative Properties The freezing point of distilled water was determined by recording a thermogram: -0.176. The freezing point of a 0.200 m (molality) solution containing an unknown, ionic compound was determined by recording a second thermogram. a.

115. ## Intermediate algebra

The accompanying graph shows all of the possibilities for the number of refrigerators and the number of TVs that will fit into an 18-wheeler. Write an inequality to describe this region. Will the truck hold 71 refrigerators and 118 TVs? Will the truck hold

116. ## college physics

To tighten a bolt, you push with a force of 76N at the end of a wrench handle that is 0.26m from the axis of the bolt. What torque are you exerting?

117. ## science

a framed painting weighs 220 newtons. the 2 wires support an angle of 120 degrees with each other. what are the tensions on the wire?

118. ## physics

a framed painting weighs 220 newtons. the 2 wires support an angle of 120 degrees with each other. what are the tensions on the wire?

119. ## pre-calculus

The suggested retail price for a new car is p dollars. The dealership advertises a 10% discount and a factory rebate of \$1500. Write a function S in terms of p, representing the cost of the car after receiving the dealership discount.

120. ## English

Simple predicate? We had to banish Mel from the game because he was cheating.

121. ## math

solve for x x-3(x-1)=6x-3-8x a) infinite solutions b)no solution c)0 d)-1 (x-3)(x-1)=-2x-3 so I believe from the information given the answer would be b) no solution. Is this correct?

122. ## Physics

A 2.12 m tall basketball player wants to sink the ball into a basket located 14 m from the player, as in Figure P3.58. If he shoots the ball at a 46° angle, at what initial speed must he throw the basketball so that it goes through the hoop without

123. ## chemistry

By using the method of neutralization the acidity of the bee sting can be neutralized. What is the underlying principle and what are the chemical equations involved.

124. ## Physics

A block of mass m1 = 28 kg rests on a wedge of angle θ = 53∘ which is itself attached to a table (the wedge does not move in this problem). An inextensible string is attached to m1, passes over a frictionless pulley at the top of the wedge, and is then

125. ## Math

Please show me how to solve 32 yd/min = __ in./s

126. ## physics

A barge is hauled along a straight-line section of canal by two horses harnessed to tow ropes and walking along the tow paths on either side of the canal. Each horse pulls with a force of 450 N at an angle of 15° with the centerline of the canal. What is

127. ## science---1 question

help pls asap! 2) Which of the following is a pure substance? (1point) Chocolate milk Orange juice Seawater Hydrogen peroxide (H2O2) i first thought it was C (seawater) but is it D (H2O2)!??

128. ## MATH

I still don't know how to completely solve systems by substitution. Can someone please help me? 1. Y=-11+x 3x+10y=-6 How would you know where to plug in the right section of the equation in a certain place? 2. Y =6x-5 Y =-x+9

129. ## Physics

A dirt biker races up a 15° incline and then takes off in an attempt to clear an obstacle. The end of the ramp is 3 m off the ground. A 4-m high obstacle is located 20 m from the base of the ramp. What minimum take-off speed is required for the daredevil

130. ## mAtHS

The series (4x-3)+(4x-3)^2+(4x-3)^3................................is given for which values of X will the series converge??

131. ## mAtHS

The series (4x-3)+(4x-3)^2+(4x-3)^3................................is given for which values of X will the series converge??

132. ## physics

calculate the mass of air in a room measuring 5m*8m*10m if the density of air is 1.3kg/m cube

133. ## mAtHS

The series (4x-3)+(4x-3)^2+(4x-3)^3................................is given for which values of X will the series converge??

134. ## math

Miguel is a cartoonist. Miguel drew 2 cartoon cells in 3 hours. If he keeps drawing at the same rate, about how many cells will he draw in 9 hours?

135. ## math

a scale drawing is 10 cm:1mm Which will be larger the actual object or the scale drawing and why

136. ## Physics

A copper sheet of thickness 2.49 mm is bonded to a steel sheet of thickness 1.51 mm. The outside surface of the copper sheet is held at a temperature of 100.0°C and the steel sheet at 24.1°C. a) Determine the temperature (in °C) of the copper-steel

137. ## American History

In Jefferson's view, George Washington's action in addressing the Whiskey Rebellion A. amounted to an inappropriate overreaction. B. was appropriate but not sufficiently bold. C. wouldn't have been necessary save for the influence of Republican clubs. D.

138. ## chemistry

State how you would prepare each solution: 1) 455g of a solution of C3H5(OH)3 in water in which the mole fraction of glycine is .250 2) 755g of 1.4 molality solution of napathalene C10H8 in benzene C6H6. My instructor told us to find the amount of grams in

139. ## Chemistry Combined Gas Law

Hi so im reviewing or our long test tomorrow on combined gas law and gay lussac's well here, combined gas law i find it (maybe ) confusing to do this one, because theres no right answers because it is a practice exercise.. what i know on combined gas law

140. ## algebra 1

Andy wants to order a cookie cake for a birthday party. He plans to split between 12 people, with each person getting a piece that is at least 4 square inches. What is the radius of the smallest size cookie cake he could get?

141. ## biology

How many chromosomes does a child have, excluding the sex chromosome?

142. ## ECE 205

Consider the following scenario: Jessica is an 18-month-old in your classroom. She is not yet walking and can say two words: “No” and “mama.” She prefers to spend time away from other children and does not express the range of emotions typical of

143. ## physics

1. Where does sound travel fastest? water, salt water, steel, or wood 2. Does sound travel faster in salt water than water?

144. ## earth

What causes sedimentation in the ocean?

145. ## Physics

An inclined plane is used to raise a 100 kg box to a height of 5 m. How long must the inclined plane be if a force of 250 N is used to push the box up the inclined plane?

146. ## algebra 1

Once trees grow to a certain height, the trunks quit growing taller and only grow thicker. The forest rangers want to calculate the diameter of the cross-section of some trees in order to estimate how much they grew in the past year. They measured the

147. ## math

write an equation in function form. (y=mx + b) 1.7x - y = 7 2.15x + 3y + 2 = 9x + 14

148. ## History

Can someone please check my answers and help me correct them if they are wrong? Thanks!

149. ## Math

I was out of school for 4 days! I tried to catch up but....I need help with There are 20 muffuns on a plate. 2/5 are chocolate. 3/10 are vanilla. How many chocolate how many vanilla? Challenge: Rest are blueberry how many blueberry? Can somebody answer

150. ## Math

What is 2/3 * 5/6 * 14 = Simplify if necessary

151. ## physics

Does an solid expand or contract as the temperature rises?

152. ## math

Solve the inequality.- **C + 6 < –20** (A.) c < –26 (B.) c < –14 (C.) c < 26 (D.) c < 14 **D/13≥ –3** (A.) d ≥ –16 (B.) d ≥ 39 (C.) d ≥ 10 (D.) d ≥ –39 **–3p > –48** (A.) p < 16 (B.) p > –51 (C.) p < –16 (D.) p > 16

153. ## physics

At t = 0, an automobile traveling north begins to make a turn. It follows one-quarter of the arc of a circle of radius 10.1 m until, at t = 1.64 s, it is traveling east. The car does not alter its speed during the turn. (a) Find the car's speed. (b) Find

154. ## physics

A 257kg motor cycle and rider accelerate from rest and reach a velocity of 20 meters per second west. The motor cycle wheels exert an average force 710N east of the road.Explain how the force directed east causes the motorcycle to accelerate west

155. ## math

solve the following r/15 >-3 a r>-45 b r>-15 c r > 12 r > 45

156. ## PHYSICS

A block of mass m1 = 28 kg rests on a wedge of angle θ = 53∘ which is itself attached to a table (the wedge does not move in this problem). An inextensible string is attached to m1, passes over a frictionless pulley at the top of the wedge, and is then

157. ## physics 1

The left ventricle of the heart accelerates blood from rest to a velocity of + 24.8 cm/s. (a) If the displacement of the blood during the acceleration is + 2.97 cm, determine its acceleration (in cm/s2). (b) How much time does blood take to reach its final

158. ## Math

13 more than the product of m and 5

159. ## math

the distance around the school is 5 and 1/2 miles how many times does jack have to go around the school to travel 330 miles

160. ## physics

A 10.0 kg cart and a 15 kg cart are locked together with a compressed spring between them. They are then released so that the spring pushes the two carts apart. The 10.0 kg cart is moving at 3.0 m/s afterward. How fast is the 15 kg cart moving

4(5+6)/2

162. ## math

the lcm of two numbers is 60. one of the numbers is 20. the other number is even and has only two prime factors. what's the other number

163. ## Math

Find the next three terms of the sequence below. 80, 20, 5, 5/4,... My answers: 5/16, 5/64, and 5/256

164. ## math

one bag of oranges weighs 3 pounds and 4 ounces, a bag of apples weighs 65 ounces, which one weighs more?

165. ## American History

Under America's second party system, the Whigs stood for A. a "negative liberal state." B. policies that kept government hands off business and industry. C. policies that directly supported commercial enterprises D. a "liberally negligent" state I choose B

166. ## Math

How do I give a BIG THANK YOU TO MS SUE?

168. ## Health

1 Select the skill-related component which is defined as the ability to perform a combination of movements with different parts of your body? A-Balance B-coordination*** C-power D-speed Please help! ASAP!

169. ## Math

I got a couple questions. 1. The quotient of c and 8 2. 16 more the the product of 5 and p 3. 9 less than the sum of x and 5 4. 5x(7+3) 5. 2x(4 to the 2nd power -5) 6. 7(8)-4(8)

170. ## math

on monday biologists tagged 100 sunfish from a lake.on friday the biologists counted 12 tagged fish out of a sample of 400 sunfish from the same lake.estimate the total number of sunfish in the lake

171. ## math

8/x+4 = 12/5x - 13 (solve the proportion)

172. ## physics

A cart is driven by a large propeller or fan, which can accelerate or decelerate the cart. The cart starts out at the position x = 0 m, with an initial velocity of + 3.3 m/s and a constant acceleration due to the fan. The direction to the right is

173. ## math

5/3z-4 = -2/1-2z (solve the proportion)

174. ## Physics

A penny is dropped from a 50 m high bridge, how fast was the penny moving when it hit the water?

175. ## Physics

A penny is dropped from a 50 m high bridge, how fast was the penny moving when it hit the water?

176. ## Physics

A truck on a straight road starts from rest, accelerating at 2.00 m/s2 until it reaches a speed of 32.0 m/s. Then the truck travels for 76.0 s at constant speed until the brakes are applied, stopping the truck in a uniform manner in an additional 5.00 s.

177. ## Calculus

A poster is to have an area of 160 in2 with 1 inch margins at the bottom and sides and a 7 inch margin at the top. What dimensions will give the largest printed area? (Give your answers correct to one decimal place.)

178. ## HTT / 230

Nance’s Restaurant, a local independent restaurant, is evaluating new point-of-sale (POS) systems and must determine if a new installation is feasible. A new POS installation would include both software and hardware, with a total cost of \$20,000.

179. ## Health

Devon and Hunter have been going to the local skateboard park for several weeks and learning new tricks on their skateboards. Some of the older skaters at the park have been giving them tips to be successful. To increase the amount of time Devon stays on

180. ## Physics

A 70 kg person is riding on a frictionless skateboard at 5 m/s. A friend facing him throws a 5 kg ball toward him at 20 m/s. What is his final speed after catching the ball?

181. ## computer Science

18 You started your new job as a PC tech and are at a customerâ€™s house. The computer has failed to boot. The fan is running but the POST fails every time. What is the best thing to do to possibly find quickly? a. Check the electrical outlet the

182. ## computer Science

20 You are trying to boot your computer but your computer keeps displaying a message after the POST that says â€œ'invalid specificationâ€. What does the error mean?â€ a. an attempt to overclock the primary drive has failed. b. The hard drives

183. ## Physics

A 70 kg person is at the top of a 10 m tall slide. Ignoring friction, what is his or her speed at the halfway point where he or she is 5 m from the bottom of the slide? What is his or her speed at the bottom of the slide?

184. ## physics

sin inverse of .032

185. ## calc

If z = 2cis 60°, find z^4 in rectangular form.

186. ## Physics

A jogger travels a route that has two parts. The first is a displacement of 2.20 km due south, and the second involves a displacement that points due east. The resultant displacement + has a magnitude of 4.10 km. (a) What is the magnitude of , and what is

3(n)=18/8=9

188. ## physics

Calculate the percentage of Earth’s gravitational force on the ISS astronauts while orbiting at an altitude of 248 miles above Earth’s surface.

189. ## physics 1

Two rockets are flying in the same direction and are side by side at the instant their retrorockets fire. Rocket A has an initial velocity of +6700 m/s, while rocket B has an initial velocity of +9700 m/s. After a time t both rockets are again side by

190. ## Calculus

A poster is to have an area of 160 in2 with 1 inch margins at the bottom and sides and a 7 inch margin at the top. What dimensions will give the largest printed area? (Give your answers correct to one decimal place.)

191. ## medical coding

If you have 99cent unit cost 40 number of units \$39.60 total cost what %of grand total. I need to see the formula

192. ## writing

I would like to write about the death of my brother but I need to come up with a thesis and I am suck on that can you please help me

193. ## math

braden bought 4 packs of dog treats. he gave 4 treats to his neighbor's dog. now braden has 24 treats left for his dog. how many dog treats were in each pack? explain how you know

194. ## physics 1

In an historical movie, two knights on horseback start from rest 88.7 m apart and ride directly toward each other to do battle. Sir George's acceleration has a magnitude of 0.386 m/s2, while Sir Alfred's has a magnitude of 0.359 m/s2. Relative to Sir

195. ## SCIENCE

are these magnetsattracting or repelling each other?how can you tell

196. ## Math

Laura has 4 CDs in her room. They are 1/5 of her whole collection. How many CDs are in Laura's whole collection?

197. ## PHYSICS

Suppose that the electric potential outside a living cell is higher than that inside the cell by 0.0928 V. How much work is done by the electric force when a sodium ion (charge = +e) moves from the outside to the inside? no idea how to do this can i just

198. ## ASAP Help thankies everybody History

Which of the following is NOT a position that President Monroe adopted from the federalists? a.a second Bank of the Untied States b.a protective tariff c.a new road scheme d.a reduced national army

199. ## earth (or Biology?)

You collect some pond water and filter out the different organisms into separate jars. You add no food to the water, but one kind of organism is still alive long after the others have died. That species is best described as being _________.

200. ## math

a sweater cost \$75.00 @ 25% off how much did the sweater cost? how much did you save?

201. ## Response Evaluation (Writeacher!)

This is the response I have written to the film The Sandlot. What do you think? Should I revise anything? What do you suggest? Although it may be shamelessly derivative and overly nostalgic, I think the 1993 film The Sandlot, directed by David M. Evans, is

202. ## American History

Within slave society, evidence suggests that the highest social status was ascribed to A. house slaves B. preachers and healers C. field slaves D. skilled craftsmen who worked on their own in cities I choose A

203. ## ELA

a worthy opponet

204. ## economics

Mary said "A good in shortage is scarce." David said" A scarce good is not necessarily a good in shortage." Do you agree with Mary or David? Explain your answer.

205. ## Algebra

What is the difference between y = 1/3^2 and y = (1/3)^2?

206. ## scince biology

us desh ka naam likiye jaha se tamaku ka sevan shuru hoo

207. ## Vectors

An object on a ramp is being held in place by a rope attached to the top of the ramp. If the tension in the rope is 215 N, what is the mass of the object.

208. ## trig

sin 60 ka man

209. ## algebra 1

The cheerleaders are making buttons for homecoming. They are printing paper circles with a diameter of 3 inches that will be folded over a metal backing and covered with clear plastic. If a 1/2 inch border is folded over, how much of the picture will show

210. ## calculus

i am on "rolles and the mean value theorem" and was just wondering, when i am doing rolles, do i really need to find the exact value of x where f'(c) = 0? for example: f(x) = (x+4)^2 (x-3) on [-4,3] i get to: 3x^2+10x-8=7 then i don't know if i then need

211. ## Math-Algebra

Simplify 2 X 3^5-1