# Questions Asked onNovember 5, 2014

2. ## Math HELP!

Write a translation rule that maps point D (7,-3) onto point D' (2,5) Explain your answer I have no idea how to do this can someone please help me.

3. ## physics

A 755 N diver drops from a board 10.0m above the water's surface.Find the diver's speed 5.00 m above the water's surface. Then find the diver's speedjust before striking the water.

4. ## Chemistry

In the reaction 2HgO(s) --> 2Hg(l) + O2(g) we measure the evolution of gas to determine the rate of reaction. At the beginning of the reaction (at 0 minutes), 0.02 L of O2 is present. After 20 minutes the volume of O2 is 0.36 L. What is the rate of

5. ## Math HELP!

Sylvia made a poster shaped like the triangle shown below. The hypotenuse is 26in. one like is is 24 in. and the bottom leg is blank. What is the length of the the third side of the triangle? A. 10 in. B. 12 in. C. 14 in. D. 16 in. Is the answer D? Thank

6. ## math Help!!!!!!

George has a square sandbox in the backyard. The sandbox has an area of 160 square feet. To the nearest foot, what is the length of one side of the sanbox?(Hint: A=s^2 A. 11 ft B. 12 ft C. 40 ft D. 80 ft. Is the answer B? Thanks

7. ## English

Compare and contrast the topics and themes of writers from the Americas and European writers.

8. ## Chemistry

Determine which ions have noble-gas configurations: Cd2+ Ru3+ P3− As3− Ag+ Zr4+ Thanks for any help. (I tried As3- and Zr4+, but that was wrong, so maybe i'm just missing one.

9. ## physics

A man standing on very slick ice fires a rifle horizontally. The mass of the man together with the rifle is 70 kg , and the mass of the bullet is 10 g If the bullet leaves the muzzle at a speed of 500 m/s, what is the final speed of the man?

10. ## MATH HELP!!!!!ONE QUESTION!!!!!!!!!!!!!!!!!!!!!!!!

which equation represents the relationship shown in the table below? x | 0 | 1 | 2 | 3 | __________________ y | -3 | -1 | 1 | 3 | a.) y = -x - 3 b.) y = x - 3 c.) y = 2x - 3 d.) y = -2x + 3

11. ## Art

How are artists and writers most similar? A.both tell stories through their creations. B.both have trouble getting published. C. both are censored in what they can produce. D. both use mathematics to create their products. Is the answer A?

12. ## Math Help

Which of these nonterminating decimals can be converted into a rational number? A. 0.626226222... B. 0.020220222... C. 0.123123123... D. 0.898998999... Is the answer C? I think that C is the answer because, A,B, and D are non-repeating decimals Rational

13. ## math

Carl shades a row in the multiplication table the product in the row are all even the ones digits in the products repeat 0,4,8,2,6 what row does carl shades

14. ## Bio

A locomotive train is on its way from Chicago, IL to Madison, WI. The trip is said to last 3.15 hours. When the train arrives in Madison the conductor notices it actually took them 3.26 hours. The train company prides itself on always having its trains to

15. ## Math HELP!

Estimate the value of square root 60 to the nearest integer. A. 7 B. 8 C. 9 D. 10 Is the answer B? Thanks

16. ## math

a picture framer has a board 10 1/12 feet long. the framer notices that 2 3/8 feet of the board is scratched and cannot be used. the rest if the board will be used to make small picture frames. each picture frame needs 1 2/3 feet of a board. at most, how

17. ## Chemistry

Calculate the rate constant, k, for the reaction 2H2O2(l) --> 2H2O(l) + O2(g) Using the rate, - 0.02 mol/L.min H2O2, and the initial concentration, [H2O2] = 0.5 mol/L Question 7 options: - 25/min 25/min - 0.04/min 0.04/min

18. ## physics

no idea how to do this problem A kid at the junior high cafeteria wants to propel an empty milk carton along a lunch table by hitting it with a 3.0g spit ball. If he wants the speed of the 40g carton just after the spit ball hits it to be 0.30 m/s, at what

asked by Levin Need help for test!
19. ## physics

A firecracker in a coconut blows the coconut into three pieces. Two pieces of equal mass fly off south and west, perpendicular to each other, at 25 m/s. The third piece has twice the mass as the other two. 1. What is the speed of the third piece? 2. What

asked by Levin Need help for test!

A block of mass is moving along the horizontal frictionless surface with a speed of 5.70 m/s. If the slope is 11.0° and the coefficient of kinetic friction between the block and the incline is 0.260, how far does the block travel up the incline? Show step

21. ## Physics

An object of mass 1.00 kg is attached to a vertical spring with spring constant 100 N/m. The object is held at rest in a position such that the spring is stretched upward a distance 1.00 cm beyond its undisturbed length. If the object is released, how far

22. ## Algebra

On the opening night of a play at a local theatre, 895 tickets were sold for a total of \$10,514. Adult tickets cost \$14 each, children's tickets cost \$11 each and senior citizen tickets cost \$8 each. If the combined number of children and adult tickets

23. ## Calculus

If 2300 square centimeters of material is available to make a box with a square base and an open top, find the largest possible volume of the box. Volume = i know it's in cubic centimeters. but i'm getting my values wrong

24. ## Math Help

Which of the images above represents a proof of the Pthagorean Theorem? Explain your choice, and them explain how the figure proves the Phythagoream Theorem. Figure A The hypotenuse of the right triangle is 64 units^2 One leg is 36 units^2 The bottom leg

25. ## Math

A jet flies at an altitude of 52,800 feet. What is the height of the jet in miles? I need help with this problem please

26. ## Math

Carl has 5/6 yard long, 1/4 yard long, and 2/3 yard long of cable wire. After Carl used 1 yard how much cable wire would he have?

27. ## Chemistry

How many grams of chlorine gas are needed to make 5.40 x 10 6 g or a solution that is 1.40 ppm chlorine by mass?

28. ## History

which answer below best describes why georgia was slow to rebel against great britain? a georgia's many exposed frontiers made it vulnerable to indian attacks. b most georgians liked to royal governor and felt he helped georgia become econmically

29. ## Chemistry

Assuming equal concentrations and complete dissociation, rank these aqueous solutions by their freezing points: Li2SO4 K3PO4 LiNO3

30. ## L.A.Help!!!!!!

Which of the following words is similar in meaning to the word passively? A. lazily B. uninterestingly C. Inactively D. emotionally Is the answer D?

31. ## chemistry

A student obtained an average PV value of 42,000 in column (f) of the data table. If the syringe had been able to be adjusted to a volume of 35.0 mL, what would the pressure be inside the flask?

32. ## chemistry

Calculate the percent deviation from ideal behavior for 0.85 mol of CO2 gas in a 1.20 L container at 45.0°C, which exerts a pressure of 19.2 atm.

33. ## math

trina works after school and on weekends. she always works three days each week. this week she worked 2 3/4 hours on monday, 3 3/5 hours on friday and 5 1/2 hours on saturday. next week she plans to work the same number of hours as this week, but will work

34. ## Maths

Two poles 13m and 18m high stand upright on a playground if their feet are 12m apart find the distance between their tops

35. ## US Gov't

Which Roman contribution to political theory was adapted by the Founding Fathers?

36. ## pre-algebra

The number of cells in a lab sample triples every 4 hours. Write an expression to represent the number of cells after 24 hours. I think it might be x cubed times 6

37. ## Math

Find the payment necessary to amortize a 8% loan of \$1700 compounded quarterly, with 11 quarterly payments?

38. ## Chemistry

A person’s blood alcohol (C2H5OH) level can be determined by titrating a sample of blood plasma with a potassium dichromate solution. The balance is 16H+ (aq) + 2Cr2O72- (aq) + C2H5OH (aq) 4Cr3+ (aq) + 2CO2 (g) + 11H2O (l) If 35.46 mL of 0.05961 M

39. ## Math HELP!

Ted determined that the length of the diagonal of his square-shaped lawn was square foot 83 feet. Which is the closest to the length in feet of the diagonal of Ted's lawn? A. 8 B. 9 C. 41 D. 166 Is the answer B? Thank you

40. ## math

jasmine mixes 1250 milliliters of syrup with twice as much water to make lemonade. she then pours the lemonade equally into 15 glasses.How much lemonade does each glass contain.

41. ## Math

Carson drives to school the same way each day, and there are two independent traffic lights on his trip to school. He knows that there is a 30% chance that he will have to stop at the first light and an 80% chance that he will have to stop at the second

42. ## Math

Hey People!! I need the answers to these questions really bad!!! OK so here we go.... Which side lengths form a triangle that is similar to triangle ABC? 30, 21,45 20, 14, 28 40,30,60 17,20,25 Find the missing length for the pair of similar figures. 1.125m

43. ## chemistry

what is the procedure for determining the boiling point of 1 M solution of sugar,urea,glucose,NaCl,BaCl2,AlCl3

44. ## Math Help

Which of the images above represents a proof of the Pthagorean Theorem? Explain your choice, and them explain how the figure proves the Phythagoream Theorem. Figure A The hypotenuse of the right triangle is 64 units^2 One leg is 36 units^2 The bottom leg

45. ## Art

In the painting Bourgeois by Alfred Jacob Miller,about an early American settler, it would likely inspire a writer to create a story based on all the following historic information except A. the clothing worn by the individuals B. the background scenery

46. ## math Help!!!!!!

Which of these nonterminating decimals can be converted into a rational number? A. 0.626226222... B. 0.020220222... C. 0.123123123... D. 0.898998999... Is the answer C?

47. ## chemistry

Using Table 9.4, calculate an approximate enthalpy (in kJ) for the reaction of 1.02 g gaseous methanol (CH3OH) in excess molecular oxygen to form gaseous carbon dioxide and gaseous water.

48. ## Language arts Help

Which persuasive technique is used in the following senence? Four out of five people prefer cantaloupe to honeydew melon. A. Repetition B. Appeals to reason C. Appeals to emotion D. Appeals to authority Is the answer b?

49. ## Art

In the picture of the cheshire cat up in the tree on the movie Alice in Wonderland what does the artist's work in this image help the reader understand? A. how the trees looked in winter B. the idea of a cat fading away C. what the cat is looking at D.

50. ## chemistry

Use Table 9.4 to calculate an approximate enthalpy or heat of reaction for the combustion of one mole of methane gas (CH4) to form gaseous H2O and CO2. What Volume (in L) of methane is needed to produce 3287 kJ of heat for methane gas at 11 oC and 3.40 atm

51. ## Math Help

Harriet needs to ship a small vase. The box she will use has a volume of 216 cubic inches. If the side lengths are the same, what is the length of each side of the box. My answer Square root of 216=14^2=196 The length of each side of the box is 14 iches.

52. ## math Help!!!!!!

Which of these nonterminating decimals can be converted into a rational number? A. 0.626226222... B. 0.020220222... C. 0.123123123... D. 0.898998999... C?

53. ## Trig

A playground slide starts 107cm above the ground and is 250cm long. What angle does the slide make with the ground? Give the answer to the nearest degree.

54. ## Physics

A rubber ball with a mass of 0.130 kg is dropped from rest. From what height was the ball dropped, if the magnitude of the ball's momentum is 0.710 kg · m/s just before it lands on the ground?

55. ## Civics

What motivated the Founding Fathers to include the phrase "We the People" in the Preamble of the U.S. Constitution? So far I have: The Founding Fathers did this because they wanted to show that the Preamble of the U.S. Constitution was made by the people

56. ## Science

brain central nervous system human being nerve tissue neurons Organize the parts of this body system in the CORRECT order according to the levels of organization in a multicellular organism, simplest to most complex..

57. ## statistics

Suppose you are given data from a survey showing the IQ of each person interviewed and the IQ of his or her mother. That is all the information that you have. Your boss has asked you to put together a report showing the relationship between these two

58. ## Chemistry

Cs(s)+H2O(l)→ ? i thought it was H2+CsOH but the computer says that's wrong.

59. ## Math

Steve plants ten trees every three minutes. If he continues planting at the same rate, how long will it take him to plant 2500 trees? Express your answer as a decimal in terms of hours.

60. ## math

At a school fair, a fifth-grade class sold 25 liters of orange juice. The orange juice was sold in cups containing 200 milliliters and 300 milliliters. An equal number of cups containing 200 milliliters and 300 milliliters were sold. How many cups of

61. ## physics

the speed of a train is reduced uniformly from 10 m/s to 5 m/s while covering a distance of 150 m. What is the acceleration of the train? how much farther will it travel before coming to rest, assuming the same acceleration ?

62. ## Math HELP!

Which persuasive technique is used in the following senence? Four out of five people prefer cantaloupe to honeydew melon. A. Repetition B. Appeals to reason C. Appeals to emotion D. Appeals to authority Is the answer b?

63. ## physics

What is the work done by the two forces together in moving an object a distance of d = 5 m as shown in the diagram? The magnitude of each force is 19 N. Diagram: (The two forces, F1 and F2, have the same magnitud but F1 is 45º over de the x axis, and F2

64. ## physics

An ice hockey puck slides along the ice at 15 m/s . A hockey stick delivers an impulse of 4.8kg/m/s causing the puck to move off in the opposite direction with the same speed. what is the mass of the puck?

65. ## Science, Physics

A 800kg safe is 2.3m above a heavy-duty spring when the rope holding the safe breaks. The safe hits the spring and compresses it 52cm.What is the spring constant of the spring?

66. ## chemistry

A weather balloon is filled with 0.295 m3 of helium on the ground at 18 °C and 756 torr. What will the volume of the balloon be at an altitude of 10 km where the temperature is 48 °C and the pressure is 0.14 atm?

67. ## physics

In a Little League baseball game, the 145 g ball enters the strike zone with a speed of 13.0 m/s. The batter hits the ball, and it leaves his bat with a speed of 21.0 m/s in exactly the opposite direction. 1. what is the magnitude of the impulse delivered

68. ## physics

A small, 250\g cart is moving at 1.50m/s on a frictionless track when it collides with a larger, 4.00kg cart at rest. After the collision, the small cart recoils at 0.890m/s . What is the speed of the large cart after the collision?

69. ## Chemistry, Check 1 easy question!!!

What type of bond will a metal cation most likely form? I think its Iconic bond

70. ## Economics

Mallory's total income last year was \$24,000, but she could deduct \$12,000 for various reasons. If she had to pay 15 percent of her taxable income in federal income tax, what was her total tax payment?

71. ## chemistry

3Cl2 +6KOH->KClO3 +5KCl =3H2O write a conversion factor that could be used to convert between moles od potassium hydroxide and moles of potassium chlorate

72. ## biology

What does the word cycle tell you about the chemical reactions of the Calvin cycle?

73. ## physics

Two blocks connected by a string are pulled across a rough horizontal surface by a force applied to one of the blocks, as shown. The acceleration of gravity is 9.8 m/s Block 1 has a mass of 5 kg while block two has a mass of 8 kg. A string is tied to the 8

74. ## Physics

A girl coasts down a hill on a sled, reaching a level surface at the bottom with a speed of 6.7 m/s. The coefficient of kinetic friction between runners and snow is 0.038, and the girl and sled together weigh 603 N. The acceleration of gravity is 9.8 m/s2

find the next two numbers in the pattern: -12, 60, -300, 1500

76. ## Math HELP!

Find the length of the hypotenuse of a right triangle with legs of 12 ft and 16 ft. A. 11 ft B. 18 ft C. 20 ft D. 28 ft Is the answer C? Thank you

77. ## Math

An ostrich. An run at a rate of 50 miles every 60 minutes. At this rate how long will it take an ostrich 15 miles?

78. ## Physics

A simple pendulum of length 2.00m is made with a mass of 2.00kg. The mass has speed of 3.00 m/s when the pendulum is 30 degrees above its lowest position. -What is the maximum angle away from the lowest position the pendulum will reach? -What is the speed

79. ## Math

You are measuring walnuts for banana walnut oatmeal and a spinach and walnut salad. You need 3/8 cup of walnuts for the oatmeal and 3/4 cup of walnuts for the salad. You have a 1/4-cup scoop. Describe two different ways to find how many scoops of walnuts

Mary makes 2 gallons of punch for her party. How many cups of punch did she make? Is 32 cups the answer?

81. ## science, chemistry

OBJECTIVE: to find out which of two indicators, methyl orange or phenolphthalein, gives more reliable and consistent results in the titration of H3PO4 with NaOH. REQUIREMENT: (1). Phosphoric acid solution of unknown concentration. (2). Standard NaOH

82. ## statistics

Siegel found that elderly people who owned dogs were less likely to pay visits to their doctors after upsetting events than were those who didn’t own pets. Similarly, consider the following hypothetical data. A sample of elderly dog owners is compared to

83. ## statistics

What would be a nondirectional hypothesis for this statement. Older drivers are safer than younger ones. I have this not sure if it is correct. There will be a difference between older and younger drivers.

A matte of uniform width is to be placed around a painting so that the area of the matted surface is equal to the area of the painting. If the dimensions of the painting are 15 cm and 10 cm, find the width of the matte. The answer is supposed to be 2.5 cm

85. ## math

Tammy wants to get change for 30c. The only coins she can get are quarters, nickels and dimes. How many different ways can she get 30c using only these coins?

86. ## History

1. Which of the following groups would most likely not want to remain loyal to Great Britain during the pre-Revolutionary period? (1 point) Scots from St. Andrew’s parish government officials Anglican ministers Indian traders 2. Which was a benefit

87. ## trigo

a bicycle has a front wheel with a diameter of 24cm and a back wheel with a diameter of 60cm. through what angle does the front wheel turn if the back wheel turns through 12 radians

88. ## Math

Chris has a square garden with an area of 38.4 m squared. He decreases the length of each side by 1.7 m to make a smaller garden. What is the perimeter of the smaller garden. {Hint find the length of each side of the bigger garden first, then decrease the

89. ## math

A sludge pool is filled by two inlet pipes. One pipe can fill the pool in 14 days and the other pipe can fill it in 22 days. However, if no sewage is added, waste removal will empty the pool in 35 days. How long will it take the two inlet pipes to fill an

90. ## Math

Angela and Doreen each want to by the same comb. Angela still needs 58cents to by the comb and Doreen still needs6cents. If they were to combine their money, they still do not have enough. What is the most the comb could cost?

91. ## physics

It has been said that sometimes lead bullets melt upon impact. Assume that a bullet with an initial temperature of 301 K receives 73.9 % of the work done on it by a wall on impact as an increase in internal energy. (The melting point of lead is 601 K, the

92. ## chemistry

Let's say for example I have 5g of copper in a beaker. Mass would be 5g + mass of beaker. If I add any given amount of water to the beaker containing the copper, that will change the mass of the beaker containing the copper. Am I correct so far? So then if

93. ## arithmetic

if the internal diameter of a cylindrical iron piep is 2.8 cm . If the pipe is melted uniformly by 1 mm then it formed a cylindrical rod ,find the diameter of the new rod?

94. ## Math

Joan picked 9 pounds of strawberries in one hour. How long does she take to pick 72 pounds of strawberries?

95. ## statistics

can you explain this to me please? Consider the binomial distribution where n = 11 and p = 0.05. Find the mean and standard deviation of this binomial distribution.

96. ## math

Beth and Lewis buy the same amount of fish pellets. If Beth feeds her goldfish 14 fish pellets each day, a container of pellets will last 20 days. If Lewis feeds his goldfish 8 fish pellets each day, how many more days will the container of pellets last

97. ## statistics

Waiting times at a doctor office are normally distributed with a mean of 35 minutes, and a standard deviation of 10 minutes. 25% of the patients have to wait less than how many minutes?

98. ## MATH

Use the matrix method to solve the system of equations 2x + 4y = 8 and 6x + 3y = -3.

99. ## English

Determine success by measurement or other objective method such as the time taken. What does that mean

100. ## statistics

Waiting times at a doctor office are normally distributed with a mean of 35 minutes, and a standard deviation of 10 minutes. What is the chance a patient would have to wait over 50 minutes?

101. ## mecancs

a projectile is fired with an inteal speed of 53m/s.find the angle of projection such that the maximum hight of a projectile is equal to its horizontal range.

102. ## Physics

a point 22 caliber rifle fires a 1.8 gram bullet at a 400m/s into a block of wood. If the bullet penetrates to a depht of 10cm find the desaceleration of the bullet. The force exerheted on the bullet, and the time.

103. ## physics

A parachutist descends vertically a distance of 380 m at a constant speed of 2.9 m/s. The mass of the parachutist is 70 kg. What is the work done on the parachutist by the net force during this descent?

104. ## physics

The rope of a swing is 3.1 m long. Calculate the angle from the vertical at which a 77-kg man must begin to swing in order to have the same kinetic energy at the bottom as a 1430-kg car moving at 1.05 m/s (2.35 mi/hr).

105. ## Math

A gardener grows roses, tulips, and sunflowers in an 18-acre public garden. This year, she wants to plant twice as many acres of sunflowers as acres of tulips. She also wants wants to plant 6 more acres of roses than of sunflowers. How many acres of each

106. ## Physics - Method Of Mixtures

Mary mixes 5.00 lb of water at 200°F with 7.00 lb of water at 65.0°F. Find the final temperature of the mixture. -Specific Heat of water is 1.00 BTU/lbs°F

107. ## Physics

Half life of radium is 44 years.The sample will reduce to 50% of its orignal value ater how many years?

108. ## math

A car travel 300 miles on 15 gallons of gas, what is the unit rate?

109. ## math Help!!!!!!

What is square root 25/square root 64? A. 5/8 B. 12/32 C. Square root 5/square root 8 D. -5/8 C? Thanks

110. ## physics

A staging that weighs Wstaging supports a painter weighing 350 N. The reading on the left scale is 600 N and the reading on the right scale is 240 N. What is the weight of the staging?

A matte of uniform width is to be placed around a painting so that the area of the matted surface is equal to the area of the painting. If the dimensions of the painting are 15 cm and 10 cm, find the width of the matte. The answer is supposed to be 2.5 cm

112. ## physics

A ball is shot out of a spring and into a hollow ballast which then swings upwards 2.5 cm. The ball has a mass of 0.10 kg, the ballast has a mass of 0.50 kg and the spring constant is 500 N/m. How fast was the ballast-ball system moving immediately after

113. ## Math HELP!

The length of the hypotenuse of a right triangle is 15 ft. The length of one leg is 9 ft. Find the length of the other leg. A. 6 ft. B. 21 ft. C. 12 ft. D. 18 ft. Is the answer C? Thank you

114. ## Math

Seth had a bag with 4 green, 5 yellow, and 6 blue marbles in it. If Seth draws a yellow marble and does not replace it, what is the probability that the second marble he draws is yellow?

115. ## physics

A 74.0 kg ice skater moving to the right with a velocity of 2.14 m/s throws a 0.12 kg snowball to the right with a velocity of 24.2 m/s relative to the ground. (a) What is the velocity of the ice skater after throwing the snowball? Disregard the friction

116. ## Math

A rectangle is to have a perimeter of 18m. the graph below shows the relationship between the area of the rectangle and its width. What is the width of the rectangle with the largest area?

I'm wondering if I got this question right. A car salesman receives a commission of 10% of the selling price of a car. Find the commission the salesperson earns for selling a car for \$12,300. The answer I got was \$12,3000.

118. ## Algebra II

Hi! I really need help with my homework, but I don't have anybody to ask. The problem asks me to find the vertex, focus, and directrix of the parabola: x^2-12x-48y+276=0. All help is apprectiated! Thank you.

119. ## physics

An air-cooled motorcycle engine loses a significant amount of heat through thermal radiation according to the Stefan-Boltzmann equation. Assume that the ambient temperature is T0 = 24.5°C (297.65 K). Suppose the engine generates 11.5 hp (8.58 kW) of power

120. ## algebra

A bacteria population splits in 3 every 4 hours. There were initially 8 bacteria in a dish, how many will there be after 12 hours?

121. ## Physics

A block of mass 0.45 kg can slide over a frictionless horizontal surface. It is attached to a spring whose stiffness constant is k = 18 N/m. The block is pulled 38 cm and let go. a)What is its maximum speed? b)What is its speed when the extension is 30 cm?

122. ## physics

while cruising along dark stretch of highway at a speed of 25 m/s you see that bridge ahead has been washed out. you apply the breaks to and come to a stop in 4.0 sec construct the position vs time graph and acceleration vs time graph and motion graph for

123. ## Intro to Accounting

Jimenez Enterprises issued 8%, 9-year, \$2,486,400 par value bonds that pay interest semiannually on October 1 and April 1. The bonds are dated April 1, 2014, and are issued on that date. The discount rate of interest for such bonds on April 1, 2014, is 8%.

124. ## Algebra 2

The sum of two numbers s 96, and their difference is 17. What is the larger of these two numbers ?

125. ## Physics

A mass of 2.0kg traveling at 3.0 m/s along a horizontal plane hits a relaxed spring 20cm away from it. The coefficient of kinetic friction is 0.3. The mass is slowed to zero velocity when the spring has been compressed. By how much the spring has been

126. ## Physics Science

Mary mixes 5.00 lb of water at 200°F with 7.00 lb of water at 65.0°F. Find the final temperature of the mixture. -Specific Heat of water is 1.00 BTU/lbs°F

127. ## math

Evan told his class that the people in his family have 14 legs altogether.Quinton said that there must be 7 people in Evan's family.Is Quinton correct?Explain.

128. ## physics

Speed in air is 340m.s Siren of ambulance emits waves of frequency 980Hz A detector at the scene measures the frequency as 1050Hz h0w d0 I w0rk this 0ut 1050 = 340 / 340 - vs (980) 1050 = 1 - vs (980) 1050 = -vs (980) 1050 + vs = 980 1050/1050 + vs = 980 /

129. ## math

Wanda is shopping for a pet carrier for her cats one small Carrie I can hold 240 ounces her cat weighs 12 pounds can the carrier hold the cat

130. ## English

1. He is an actor. 2. She is an actor. 3. She is an actress. --------------------------- Is Sentence 2 grammatical?

131. ## Algebra

I have a graph that shows on the Y - axis Just the word speed (no numbers given) And on the x - axis is time (no number given) The graph itself shows a decline in speed But then the line goes up sharply I am suppose to write a scenario for the graph PlEASE

132. ## Math

Betsy is making a flag, she can choose three colors from red, white, blue, and yellow. how many choices does Betsey have?

133. ## math

Mikhail used 220 inches of wire to make this figure. this figure is made up two identical triangles,a 15 inch by 12 inch rectangle and a square of side 19 inches.Whatis the length of one side of each triangle if allthe sides of the triangles are equal in

134. ## math

a tub takes 4 minutes to fill and holds 28 gallons of water. At this rate, how long would it take to fill a bathtub that held 63 gallons of water?

135. ## Probability

What is the probability of passing a 10-item multiple choice quiz, if there are 4 choices, A to D for every question, and if the passing mark is 8/10, assuming that you guessed the answers to all the questions?

136. ## Grammar.Usage. and Micanics

Which words in this sentence are an independent clause? The forest that they are uncovering once held flowers that fell during a fire and were cooked until they became charcoal. A. that they are uncovering B. that fell during a fire !@#\$%^&il they became

137. ## physics

A 1000 kilogram car rolling on a horizontal surface has speed v= 45 kilometer per hour when it strikes a horizontal coil spring and is brought to rest in a distance of 2.2 meters. What is the spring stiffness constant of the spring?

138. ## Physics

A runner moving at a speed of 7.7 m/s rounds a bend with a radius of 21 m. What is the centripetal acceleration of the runner? My teacher doesn't explain anything very well and I don't understand how to figure it out.

139. ## Calculus

A fence 3 feet tall runs parallel to a tall building at a distance of 7 feet from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building?

140. ## Calculus: Help Me

The manager of a large apartment complex knows from experience that 120 units will be occupied if the rent is 294 dollars per month. A market survey suggests that, on the average, one additional unit will remain vacant for each 7 dollar increase in rent.

141. ## Algebra

I have a graph that shows on the Y - axis Just the word speed (no numbers given) And on the x - axis is time (no number given) The graph itself shows a decline in speed But then the line goes up sharply I am suppose to write a scenario for the graph PlEASE

asked by Don't know how to solve
142. ## math

what does rose mean/fell

143. ## Physics

A 250 g piece of tin at 99°C is dropped in 100 g of water at 10°C. If the final temperature of the mixture is 20°C, what is the specific heat of the tin?

144. ## Statistics

Daily water intake (including water used in drinks such as coffee, tea and juice) for Canadian adults follows a normal distribution with mean 1.5 litres and standard deviation 0.31 litres. (d) Using the 68-95-99.7 Rule, approximately 95% of samples of 22

145. ## World History (Ms. Sue)

How did the Schlieffen Plan contribute to the outbreak of World War I?

146. ## algebra

What is the sum of the first 700 consecutive odd numbers?

147. ## organic biochemistry

Calculate the number of moles of ZnCl2, in 100. mL of 0.600M solution.

148. ## statistics

Suppose that the ages of students at a particular university average 26 years with a standard deviation of 2.8 years. Consider the sampling distribution of the sample mean age of students in a sample of n = 49. The standard deviation of the sampling

149. ## lee

Which of these shows the correct balanced half-reaction for the following? The reaction takes place in acidic solution. C2O42–(aq) → CO2(g)

150. ## Math

Consider the function y = –2(x – 12)^2 + 18. a) What is the axis of symmetry of the graph of the function.(1 mark)

151. ## physics

A watermelon falls off of a balcony 14 meters high. How fast is it moving immediately before it reaches the ground? a increases with time b is 0 m/s c remains constant d decreases with time

152. ## Physics

A large flatbed truck hauls a heavy wood crate as shown. The crate is not tied down and simply rests on the metal bed of the truck. Find the maximum acceleration the truck can have if the crate is not to slide along the truck bed. (Static friction is 0.5

153. ## Math Help

Triangle ABC has coordinaes A(1,4); B(3,-2); and C(4,2). Find the coordinates of the image A'B'C' after a reflection over the x-axis. My answer A'=(1,-4) B'=(3,2) C'= ( 4,-2) Am I correct? Thank you.

154. ## Math

Jill and Chad grew sunflowers in each of their gardens. The tallest sunflower in Jill's garden was 360cm. The tallest sunflower in Chad's garden was 4 meters. Whose sunflower was taller? Prove your answer.

155. ## Calculus I

Any help on how to solve this? The range of a projectile launched at an angle θ from the ground with velocity v0 is given by R(θ) = [v0^2 sin 2(θ)]/9.81 . If the projectile is launched at an angle of θ = π/6, use differentials to approximate the

156. ## pe

"Being an athlete takes more brains than brawn. It takes time and effort. It takes endurance and commitment. It takes an athlete who can stay in the air for 2.5 seconds while shooting a goal; an athlete who knows which laws of physics keep him there."

157. ## physics

A cryogenic storage container holds liquid helium, which boils at 4.20 K. Suppose a student painted the outer shell of the container black, turning it into a pseudo-blackbody, and that the shell has an effective area of 0.791 m2 and is at 2.95·102 K. What

158. ## Science

In an atom, electrons ____. a. are located in the nucleus b. travel outside the nucleus c. are paired with neutrons d. are always in the same place in an atom

159. ## Chemistry Physics

A steel pipe 8.25 m long is installed at 45°C. Find the decrease in length when coolants at -60°C pass through the pipe

160. ## Thermodynamics

12 kg of water in an insulated container is at 30 C. Initially, only 18 percent of the water is in the liquid phase. An electric heater, connected to a 120-V source and 9 A, is used to heat the system. Determine the time required to vaporize the entire

161. ## Algebra

The formula v=8square root of h gives the relationship between velocity, v (in feet per second and height, h (in feet). What is the maximum velocity of a roller coaster that is 203 feet high? Can the question be solved using the equation t^2-2t-11=0?

162. ## Math

Chris has a square garden with an area of 38.4 m squared. He decreases the length of each side by 1.7 m to make a smaller garden. What is the perimeter of the smaller garden. {Hint find the length of each side of the bigger garden first, then decrease the

163. ## Math

Chris has a square garden with an area of 38.a m squared. He decreases the length of each side by 1.7 m to make a smaller garden. What is the perimeter of the smaller garden. {Hint find the length of each side of the bigger garden first, then decrease the

164. ## algebra

Solve for v: 62.7 = 3.65 v^2 + 0.0875 (v^2 / 0.09)

165. ## college statistics

how many ways can a 3 person committee be formed from 12 people

166. ## English

1. If it had not been for your call, I would have been late for school. 2. But for/Without your call, I would have been late for school. 3. Had it not been for your call, I would have been late for school. 4. If you had not called me, I would have been

167. ## physics

A 22-N force, parallel to the incline, is required to push a certain crate at a velocity of 6.1 up a frictionless incline that is 55° above the horizontal. The mass of the crate is:

168. ## composition II

• What role should outside sources play in our writing? How much of an essay you write should be your original work and how much should be from a source? How can having too much material from other sources possibly lead to plagiarism?

169. ## Chemistry Physics

How many grams of water at 20°C are necessary to change 800g of water at 90°C to 50°C?

170. ## English

1. I left my cell phone at home, and suddenly I realized it. 2. Suddenly I realized that I had left my cell phone at home. ----------------- Does #1 mean #2? Are the tenses used in each sentence grammatical?

171. ## chemistry

Is the number of moles of an element reacted equal to the number of moles of an element produced? -Let's say for example, 5g of copper. So the molar mass of copper (according to my textbook in which I need to use those numbers) is 63.55g/mol So 5g /

172. ## Physics Science

How many grams of water at 20°C are necessary to change 800g of water at 90°C to 50°C? so its setup like (20*1.00)*(90-50)+(20*1.00)*(90-50) = 1600g?

173. ## Vertex, Focus, & Directrix of Parabolas

Find the Vertex, Focus, and Directrix of the parabola: x^2 -12x-48y+276=0 Thank you so much

174. ## World History Answer Check (Ms. Sue)

What was the effect of total war on ordinary citizens? A: Because of total war, ordinary citizens underwent rationing of goods.

175. ## Math, algebra

Can someone help me with functions? I'm studying for my test tmrw and I need help

176. ## composition II

• Where are the two main places in a paper that you should use APA Style to document sources? Are there any tools you can use to help with APA Style citations?

177. ## Global terrorism

What effect has the 1991 gulf war had on current day terrorism ?

178. ## algebra

What is the maximum velocity of a roller coaster when the height is 203 feet. Can the problem be solved by factoring the following equation? t^2 -2t-11=0?

179. ## math Help!!!!!!

If a number is not a rational number, then it is A. An integer B. An irrational number C. A whole number B? Thanks

180. ## English

Which of the following sentences both a direct and indirect object? A. My psychology professor has written several books. B.My pyschology prefessor is one of the best lecturers on campus. c.my psychology professor requires his students to quite a bit

181. ## Math help? It's really quick!! :D

Is this a function? Why or why not? x y 0 1 1 2 2 3 3 3

182. ## Math

x+3y=9 Solve for y y=3?

183. ## science

what is the similarity of renewable and inexhaustible resource?

184. ## Chemistry

if you are given the equation 2NO(g)+o2(g)->2NO2 and you are given the volume of NO is 150mL. how do you find what the volume of O2 is required (at the same pressure and temperature)?

185. ## chemistry

K(s)+NH3(g)→ ?

Whats 9+10?

187. ## physics

A copper sheet of thickness 2.13 mm is bonded to a steel sheet of thickness 1.41 mm. The outside surface of the copper sheet is held at a temperature of 100.0°C and the steel sheet at 24.3°C. a) Determine the temperature (in °C) of the copper-steel

188. ## chemistry

a 111.4mg ore sample containing iro with acid , filtered and diluted to 200.0ml in volumetric flask. a 1000ml aliquot is transferred to a 100.ooml volumetric flask containing hrdroxylamine hydrochloride, sodium acetate and 1,10- phenanthroline and diluted

189. ## chemistry

what is a sigma bond

190. ## physics

A cat slides off the table. Immediately before the cat leaves the table,what is the vertical velocity?

191. ## psychology

Infants generally sit up without support at a.9 months b.3 months c.6 months d.birth

192. ## English

I have to create a piece of descriptive writing about a good day at a beach, but I am unsure on how to describe the atmosphere of the beach. Please help! Here is what I have so far: It's the morning of somerset beach. Seagulls haver over waiting for food,

193. ## chemistry

Does one mole of copper have the same mass as one mole of iron? Explain. - I say no since: 1 mol Cu = 63.55g/mol 1 mol Fe = 55.85g/mol So 1 mol of copper is 63.55g, while 1 mol of iron is 55.85g. So they have a different mass because their molar masses are

194. ## Math

Sara has to buy two tops from her pocket money. She can choose two colors from pink, red, white, and black. How many different color combinations does she can choose?

A 1.516 M soltion is made by dissolving 1.570 g of the compound in 0.2238 mol of water. Determine the molar mass and apparent molecular formula of the compound.

196. ## English

What could the main idea of Through The Tunnel be, in a sentence?

197. ## Finance

If you open an IRA at a commercial bank and deposit \$1000 in the account per year, how much will be in the account after 20 years if the funds earn 7%?

198. ## Math

At the water park, Beth and Amy decided to race each other down a waterslide. Amy won by .25 seconds. If Beth's time was exactly 7.8 seconds, how long did it take for Amy to down the slide?

2200 + (-480t) what is the answer when t = 5 t = 10 t = 15 t = 20

200. ## Math

My locker combination has three digits. None of the digits are 0. What is the probability that the first digit of my locker combination is less than 3?

201. ## English

1. Shall we go where there is a shop? 2. We can get where there is water. 3. We have to walk where we can take a rest. 4. We drove where we can see many kinds of trees. ---------------- Are the sentences all grammatical? Would you correct errors? Thank

202. ## Math

5x-2y=0 Solve for y

203. ## Physics

someone please answer these Physics Q answers no explanation 1 What is the opposite force to gravity 2 an example of a contact force 3 an example of a non-contact force 4 What effect does ‘mass’ have on inertia 5 two examples of forces that could slow

204. ## Science

Effects of insecticide on aquatic animals?

205. ## physics

A man skis down from the top of a hill 1500.0 m high, starting from rest. If he loses 50% of his initial mechanical energy to friction during his descent, what is his speed in m/s at the base of the hill?

206. ## ingles

homework:unscramble the words on writing division exampie(the family,mother)

207. ## English

I know with a dependent clause in front of the sentence, then an independent clause separated by a conjunction I use a comma. If u have two independent clauses with a conjunction do I use a comma. Example The class will take a trip when school is over. It

208. ## Statistics

a Rollercoaster's auditors estimate that the average daily loss from those illegally riding without tickets is at lease (greater or equal) \$295, but wants to determine the accuracy of this statistic. The company researcher takes a random sample of losses

209. ## Math

3y=-15 Solve for y=mx+b form y=-5?? How will I put that in y=mx+b

210. ## physics

A truck moves with a constant acceleration and covers a distance between two points 180 apart in 10 seconds. The velocity as it passes the second point is 30 m/s. Whats the acceleration of the truck ? whats the velocity in the first point ?

211. ## geometry

we have atriangleABC given: segment AB and AC are congruent BE is the median to AC CD is the median to AB PROVE THAT AG is the perpendicular bisector of BC?

212. ## verb in each of the following sentence

I get up 6 o clock. Tell me tences

213. ## Math

i am thinking a number the number in the tens is less than the number in ones.

214. ## Math

2 fractions equal to9/9

215. ## MATH

Does this tale represent a function? x y 0 1 1 2 2 3 3 3

216. ## Computing- Python (simple-ish stuff)

Hi, I'm working on this piece of code: numLaptops = 7 laptopCost = 599.50 price = numLaptops * laptopCost print("Total cost of laptops: \$%.2f" % price) But the question wants me to explain the output if I put 2.5 instead of .2, 8.2 instead of it and 3.1

217. ## physics

If a 648 N body on a carpeted surface has a μs of 0.86 and a μk of 0.68, what amount of force will be required to start dragging the body across the floor? Make sure to report your answer with the correct number of significant figures

218. ## Physics

If a 648 N body on a carpeted surface has a μs of 0.86 and a μk of 0.68, what amount of force will be required to start dragging the body across the floor? Make sure to report your answer with the correct number of significant figures am I doing this

219. ## Math

Create a scenario in which you must use linear functions to solve.

220. ## calculus

How do I use the product rule to find the derivative of the following. y=(x+1)(3square root x+7) y'= Please help

221. ## English

Is this a good persuasive essay ? If not can you help me change it? Everyday people come in contact with illegal aliens in some way or form, but they don’t know it. It is often hard to tell because illegal immigrants look just like the average person.

222. ## Math

Show me how to work out 131/2

223. ## math

Two numbers have a sum of 32. If one of the numbers is - 36, what is the other number?

224. ## Elementary manth

Jose said that the square root -X=3 has no solutino since the square root is a negative, is this true. I think it does has a solution

225. ## MATH

Does this tale represent a function? x y 0 1 1 2 2 3 3 3

226. ## Physics Science

How many grams of water at 20°C are necessary to change 800g of water at 90°C to 50°C?

227. ## math

what is equal to 3.7

228. ## physics

how do I solve for angular momentum if the weight its 700 g and the angular v is (1m=r, 120rmp). I get 12.56 for the v. But i don't know how to solve for the monentum. Also is my v correct?

asked by Levin Need help for test!
229. ## Math

Sara has to buy two tops from her pocket money. She can choose two colors from pink, red, white, and black. How many different color combinations does she can choose? a. 9 b. 6 c. 2 d. 4

230. ## math

We are two integer brothers apart by 7 on the number line.if you take 5 times of me and add 2 times my brother you'll get 42. Can you find my value? I believe there are two answer. ... first answer is 5x + 2(x+7)=42 therefore x=4 and 5(8)+2(1)=42 Both

231. ## Physics

If a 648 N body on a carpeted surface has a μs of 0.86 and a μk of 0.68, what amount of force will be required to start dragging the body across the floor? Make sure to report your answer with the correct number of significant figures Is this correct?

Is this a function? Why or why not? x y 0 1 1 2 2 3 3 3

233. ## ecnomics

4.During the energy crisis of the 1970s, and again in the last 5 years, Congress bemoaned the “price gouging” and “windfall” profits of the major oil companies. In the 1970s Congress imposed an “excess profits tax” on these companies. It did

234. ## Math

Is this the same a(bc)=(ab)(ac)

235. ## math

360/4 = c

is a(bc)=(ab)(ac)

is a(bc)= ( ab) (ac)

238. ## Math

y-(-1)=1/2(x-2)

239. ## math

-5g-6 for g= -2