# Questions Asked onSeptember 20, 2015

1. ## Math

The amount of Jen's monthly phone bill is normally distributed with a mean of \$55 and a standard deviation of \$9. Within what range are 68% of her phone bills?

2. ## Chemistry

Technetium-99m, an important radionuclide in medicine, has a half-life of 6.0 hours. What percentage of a sample of technetium-99m will remain undecayed after the following times? 18.0 hours 1 day 5 half- lives

3. ## Physics

A 0.340 kg particle moves in an xy plane according to x(t) = -15.00 + 2.00t - 4.00t3 and yet) = 25.00 + 7.00t - 9.00t2, with x and y in meters and t in seconds. At t = 0.700 s, what are (a) the magnitude and (b) the angle (relative to the positive

4. ## Physics

A 17.8 kg block is dragged over a rough, horizontal surface by a constant force of 72.8 newtons acting at an angle of 31.3 degrees above the horizontal. the block is displaced 64.4 m and the coefficient of kinetic friction is 0.239. find the work done by

5. ## Math

John is a 45 year old and wants to retire at age 65. He wishes to make monthly deposit into an account paying 9% compounded monthly so when he retires he can withdraw \$320 a month for 30 years. How much should John deposit each month?

6. ## math

A dolphin is swimming with her friend. The dolphin jumps to a height of 4.5, meters above the surface of the water as her friend swims 9.8 meters directly below her. What is the position of the dolphin's friend relative to the surface of the water?

7. ## Chemistry ! Need help.

A buffer prepared by dissolving oxalic acid dihydrate (H2C2O4·2H2O) and disodium oxalate (Na2C2O4) in 1.00 L of water has a pH of 5.007. How many grams of oxalic acid dihydrate (MW = 126.07 g/mol) and disodium oxalate (MW = 133.99 g/mol) were required to

8. ## organic chemistry

1. Predict the order of elution of a mixture of triphenylmethanol, biphenyl, benzoic acid, and methyl benzoate from an alumina column. You may need to examine the structural elements in each compound. 2. Once the chromatography column has been prepared,

9. ## math 316

A teacher wants to give 5 prizes to a class 27 students. I low many ways can he do this if all the prizes are the same and students can receive more that one prize? How many ways can he do this if all the prizes are different and students can receive more

10. ## Math

The pressure p at the bottom of swimming pool varies directly as the depth d of the water. If the pressure is 125 Pascal when the water is 2 meters deep, find the pressure when it is 4.5 meters deep.

11. ## Criminal Justice/White Collar Crime

Actions by the government that contributed to the collapse of the savings and loan industry included all of the following EXCEPT: A. increasing down payment requirements. B. commercial real estate loans. C. permitting money market mutual funds. D.

12. ## chemistry

Combustion analysis of 1.0g of a compound containing carbon , hydrogen and oxygen gives 2.3 g of carbon dioxide and 0.93g of water . If The relative molecular mass is 58. Calculate The empirical and molecular formula

13. ## Macroeconomics

Suppose that Paulie and Vinny each can produce ice cream or t-shirts. it shows the quantity of each good that Paulie and Vinny each can produce in one hour, respectively, if they devote all of their time and effort into making the good. paulie can make 3

14. ## Chemistry problem

How many moles of UF6 would have to be decomposed to provide enough fluorine to prepare 2.14 mol of CF4? I'm not sure how to solve this problem? So far all I did is calculate the moles of F in CF4, which is 8.56 moles

15. ## question

You purchased 8 pounds 10 ounces of candy from a candy shop. You want to split it equally among 3 classrooms at a local school.

16. ## Math

An artist makes a profit of (500p - p^2) dollars from selling p paintings. What is the fewest number of paintings the artist can sell to make a profit of at least \$60,000? Don't know how to even set it up

17. ## science

Consider the diprotic acid H2A with K1 =1.00 X 10-4 and K2 = 1.00 X 10-8 . Find the pH and concentrations of H2A, HA- , and A2- in: (a) 0.100 M H2A; (b) 0.100 M NaHA; (c) 0.100 M Na2A.

18. ## Physics

A force F1 of magnitude 6.90 units acts on an object at the origin in a direction θ = 54.0° above the positive x-axis. (See the figure below.) A second force F2 of magnitude 5.00 units acts on the object in the direction of the positive y-axis. Find

19. ## American History

Throughout the 17th and 18th centuries the colonists underwent a gradual transformation---they became less Anglo-American and more uniquely American. Discuss four elements responsible for this slow metamorphosis. (To merely list the elements is not enough,

20. ## Math

The systolic blood pressures of a group of 18-year-old women are normally distributed with a mean of 120 mmHg and a standard deviation of 12 mmHg. What percentage of women in this group have a systolic blood pressure between 108 mmHg and 132 mmHg?

21. ## Math

The annual precipitation for one city is normally distributed with a mean of 329 inches and a standard deviation of 2.6 inches. Find the probability that a randomly selected year will have more than 323.8 inches of rain. Express the probability as a

22. ## calculus

Please answer. An airplane at an altitude of 3000m, flying horizontally at 300km/hr, passes directly over an observer. Find the rate at which it is approaching the observer when it is 5000m away.

23. ## physics

what is the pressure on the bottom of an aquarium 0.3 m deep filled with water

24. ## math

The cost price of a Jean is Rs. 200 and marked price is 50% more than the cost price. But the shopkeeper sold it at 25 % discount. Find the marked price. Find the discounted price.

25. ## Physics-HELP

An airplane is traveling 775 km/h in a direction 42.5° west of north (Figure 3-31). (a) Find the components of the velocity vector in the northerly and westerly directions. northerly km/h westerly km/h (b) How far north and how far west has the plane

26. ## Math

Every 3 months, a man deposits in his bank account a savings of Php 5,000. In how many years would he have saved Php 250,000?

27. ## physics

A truck starts from the rest and moves with a accelaration 1.5m/s^2 ,at the same time a car which is 150m behind the truck starts from the rest with an accelaration of 2m/sec^2. Find the time which the car will overtake the truck and the distance travel.

28. ## math

Is the products of two mixed numbers less than, between, or greater than the two factors?

29. ## Criminal Justice/White Collar Crime

A gift becomes a bribe when: A. it is requested. B. there is a quid pro quo. C. the amount exceeds the salary of the elected official. D. it is freely given. I think it's C, but not sure.

30. ## Math

The shadow of an object varies directly as its height h. A man 1.8 m tall casts a shadow 4.32 m long. If at the same time a flagpole casts a shadow 12.8 m long, how how is the flagpole?

31. ## Criminal Justice/White Collar Crime

Like other criminogenic cultures, the savings and loan industry placed a heavy emphasis on: A. presence of organized crime interests. B. intricate government regulations. C. reduced competition. D. profit. I think it's D, but not sure

32. ## algebra

A size 36 shoe in France is size 3.5 in England. A function that converts shoe sizes in France to those in England is g(x)=3x-94/4. A size 6 shoe in the United States is size 3.5 in England. A function the converts shoe sizes in England to those in the

33. ## phyics

A dart leaves the barrel of a blowgun at a speed v. The length of the blowgun barrel is L. Assume that the acceleration of the dart in the barrel is uniform. a) Show that the dart moves inside the barrel for a time of 2L/v Express your answer in terms of

34. ## science

How is ethyl alcohol convert into chloroform?

35. ## english

compare and contrast the words maneuver and manipulate

36. ## Math

A teacher charges Php 500 per hour of tutorial service to a second year high school student. If she spends three hours tutoring per day, how much would she receive in 20 days?

37. ## life orientation

Factors that are responsible for road accident of competence of driver

38. ## Physics

a student sees a ball fall from the third floor of a building and notes that it takes 2.50 s for the ball to fall the last half of the way to the ground. What is the height of the building?

39. ## Pre-Calc

An airplane is flying at a speed of 250 mph at an altitude of 4 miles. The plane passes directly above a radar station at time t = 0. What is the distance s between the plane and the radar station after four minutes?

40. ## grammar public school rawlakot

The cost price of a Jean is Rs. 200 and marked price is 50% more than the cost price. But the shopkeeper sold it at 25% discount. Find the marked price. Find the discounted price.

41. ## Chemistry

A 39 g of iron ore is treated as follows. The iron in the sample is all converted by a series of chemical reactions to Fe2O3. The mass of Fe2O3 is measured to be 7.9 grams. What was the percent iron in the sample of ore? Answer in units of %. Please help

42. ## algebra

The amount of Jen's monthly phone bill is normally distributed with a mean of \$55 and a standard deviation of \$9. Within what range are 68% of her phone bills?

43. ## Math

1. Which of the following is an example of an integer? (1 point) a.-15*** b.3/5 c.square-root of 7 d.0.252525... 2.Which statement is false?(1 point) a.Every integer is a real number b.The number zero is a rational number c.Every irrational number is a

44. ## Physics

10. A military jet flies horizontally with a velocity of 450 m/s and 20,000 m above the ground. When the jet is straight above an artillery gun a shell is fired. Assuming the shell hits the jet. a. Calculate the horizontal component of the initial velocity

45. ## math

Peter is three years older than his sister paula. If their combined age is 21 find their actual ages. x+3=21 X+3-3=21-3 X=18 Answer=18 and 3

46. ## math urgent

Prove : Tan20+4Tan20=√3

The quality control manager at a light bulb factory needs to estimate the mean life of a large shipment of light bulbs. The manufacturer's specifications are that the standard deviations is 100 hours. A random sample of 64 light bulbs indicated a sample

48. ## AP Physics I

A placekicker is about to kick a field goal. The ball is 26.6 m from the goal post. The ball is kicked with an initial velocity of 19.0 m/s at an angle θ above the ground. Between what two angles, θ1 and θ2, will the ball clear the 2.8-m-high crossbar?

49. ## AP Chemistry

An unknown amount of water is mixed with 350 mL of a 6 M solution of NaOH solution. A 75 mL sample of the resulting solution is titrated to neutrality with 52.5 mL of 6 M HCl. Calculate the concentration of the diluted NaOH solution. Answer in units of M I

50. ## Math

Fred spent 1/3 of his pocket money on computer game and 1/4 of his pocket money on tickets for football match.how much packet had he left.idont how to do this help!!!

51. ## Math / Finance

You are planning to save for retirement over the next 15 years. To do this, you will invest \$1,100 a month in a stock account and \$500 a month in a bond account. The return on the stock account is expected to be 7%, and the bond account will pay 4%. When

52. ## Math

A mailman can sort out 738 letters in 6 hours. If the number of sorted letters varies directly as the number of working hours, how many letters can be sorted out in 9 hours?

53. ## Chemistry help

How many moles of Fe3O4 are required to supply enough iron to prepare 0.752 mol Fe2O3?

54. ## Physics

A married couple is driving on a dark road at night at the rate of 98.0 m/s until they see a clown 50m in front of them and slam the brakes to slow the car down to 10.0m/s and still manage to hit the clown. How much time would the clown have had to move

55. ## calculus

10. A military jet flies horizontally with a velocity of 450 m/s and 20,000 m above the ground. When the jet is straight above an artillery gun a shell is fired. Assuming the shell hits the jet. a. Calculate the horizontal component of the initial velocity

56. ## English

Posted by rfvv on Tuesday, August 26, 2014 at 1:27am. 1. I'll be there(=in prison) for seven years for making fake money. 2. I'll be there (=in prison) for seven years for having made fake money. (Which expression is grammatical?) English - Steve, Tuesday,

57. ## Chemistry

A 0.020 M KMnO4 solution was used to determine the percent iron in a sample containing iron(II). MnO− 4 + 5 Fe2+ + 8 H+ → Mn+2 + 5 Fe3+ + 4 H2O It took 25.0 mL of the KMnO4 to completely react with all the iron(II) in the 0.500 g sample. What was the

58. ## Physics-HELP

An Olympic long jumper is capable of jumping 7.5 m. Assume that his horizontal speed is 8.8 m/s as he leaves the ground. How long is he in the air? How high does he go? Assume that he lands standing upright, that is, the same way he left the ground.

59. ## math for managers

Adam is 3 times as old as Cynthia and Fred is 16 years younger than Adam. One year ago, Adam's age was twice the sum of Cynthia's and Fred's age. Find their present age: (Write answer as Adam is __, Cynthia is __, Fred is __)

60. ## physics

A fire fighter is trying to shoot water straight to the window located at the second floor of a house 6 m above the ground. The distance between the fire fighter and the house is 8 m and he holds the fire hose 1.8 m above the ground. The water leaves the

61. ## chemistry

what is the percent yield of reaction in which 455g of tungsten (VI) oxide (WO3) reacts with excess hydrogen gas to produce metallic tungsten and 9.60 cm^3 of water.(density of water = 1.00 g/cm^3) ???

62. ## Math

Rita earned 45 points on a test.She lost 8 points, earned 53 points, then lost 6 more points. What is Rita's final score on the test?

63. ## integrated science

with all other factors equal, if you double the balanced force on an abject of a given mass the acceleration will be?

64. ## U.S. History

I'm writing a Common Sense Today Article for homework. I chose to write about Terrorism, but every idea I come up with, my parents have a way to get around it. I've thought of an idea to stop sending aircraft over there, or to stop the ships, or to get oil

65. ## Science

Suppose that a sample of gas occupies 119 mL of volume at 25◦C and a pressure of 221 torr. What would be the volume if the pressure were changed to 647 torr at 25◦C? This is boyle's law right? p1v1 = p2v2 Since I'm looking for v2 I rearranged it to be

66. ## math

there are approximately 402 1/4 meters around a typical running track. Sandra has challenged here to run 10 laps a day for 5 days. how many meters will Sandra run if she meets her challenge?

67. ## Math

he annual precipitation for one city is normally distributed with a mean of 399 inches and a standard deviation of 3.3 inches. In what percentage of years is precipitation in the city between 392.4 inches and 405.6 inches? Hard help?

68. ## pre calculus

The minute hand and the hour hand of a clock have lengths inches and inches, respectively. Determine the distance between the tips of the hands at 10:00 in terms of and m h.

69. ## statistics

suppose that from 8 students, we want to take a committee of students? How many committees of 3 can be selected? How many of 4?

70. ## Algebra

ten-pin bowling ball has a volume of about 5274 cm3. A candlepin (8) bowling ball has a volume of about 48 in3. About how much greater is the volume of a ten-pin bowling ball than the volume of a candlepin bowling ball?

71. ## grammar

Please explain why the sentence, The flat creek bed was made of warm soft mud is neither a compound subject nor a compound predicate?

72. ## Physics

a driver of a car traveling at 17.3 m/s applies the brakes causing a uniform deceleration of 2.8m/s^2. How long does it take the car to accelerate to a final speed of 13.5 m/s?

73. ## Physics

a box weighing 800n is dragged across a level floor at a constant speed under the influence of a 60n applied force.What is the coefficient of sliding friction between the box and the floor?

74. ## physics

Add the following vectors: 440 N at 100 degrees 905 N at 160 degrees A.1187.7 N at 128.7 degrees B.1010.4 N at 48.2 degrees C.1345 N at 130 degrees D.1013.5 N at 149 degrees

75. ## Math

Linda inherited an estate worth \$225,000.the attorney told her that they would deduct it from the estate before giving her the money.how much money will Linda receive?

76. ## Biology

Imagine that you have a stock solution with a concentration of 4.6 M glucose (C1). You want to use the stock solution to prepare a diluted solution of 0.22M glucose (C2). You need a total volume of 10mL of 0.22M glucose (V2). What volume of water you need

77. ## math

if the teacher begins recording on a digital camera with an hour available,is there enough time to records everyone if she gives a 15 minutes introduction at the beginning of class and every student takes a minute to get ready?

78. ## Physics

A sustained force of 44 N moves a model airplane 10 m along its runway to provide the required speed for takeoff. Find the kinetic energy at takeoff.

79. ## Math

Jessie uses 20 liters pf gasoline to travel 200 kilometers, how many liters of gasoline will he use on a trip of 700 kilometers?

80. ## Science

In the following total ionic equation which ions are spectator ions? 2 Na+ (aq) + 2 Cl−(aq) + Pb2+(aq) + 2 NO3−(aq) ¨ PbCl2 (s) + 2 Na+ (aq) + 2NO3− (aq) I think the answer is all of them because I DO NOT see any that cancel from one side to the

81. ## Math

105 students were asked if they liked soccer, rugby, or football. 4 liked only rugby, 40 liked rugby, 12 liked only rugby and football, 63 did not like football, 21 didn't like any, 16 liked only soccer and football, 60 liked soccer. How many liked only

82. ## Math

The sum of the ages of Devonte and Anna is 107 years. 11 years ago, Devonte's age was 4 times Anna's age. How old is Devonte now?

83. ## algebra

Angela is on her way from home from Jersey City into New York City for dinner. She walks 1 mile to the train station, takes the train 1/2 of the way, and takes a taxi 1/6 of the way to the restaurant. How far does Angela live from the restaurant?

84. ## Finance

You plan to start an elite 2 year MBA program on September 1, 2015. Tuition is \$75,000 per year payable on that date, at the beginning of the school year. You expect tuition to increase by 6% in the second year. If the market interest rate is 3% per year,

85. ## BioChemisty

You have a 0.5 M HEPES pH 7, and a 0.5 M HEPES pH 8 solution. How much of each stock solution do you need to make 125mL of a 50 mM HEPES pH 7.5 solution? How much water?

86. ## physics

When a 0.106 kg mass is suspended at rest from a certain spring, the spring stretches 3.50 cm. Find the instantaneous acceleration of the mass when it is raised 5.20 cm, compressing the spring 1.70 cm.

87. ## Moshidi LO

Assess the extent to which bad road use has a direct impact on the physical,emotional,social and economic aspects to the family,the community and the country

88. ## chemistry

How is phenol converted into salicylic acid. Give chemical equation?

89. ## engilsh

what does central claim mean?

90. ## Math

500! is divisible by 21. How many times can 21 go into 500! ? Have zero clue how to do this. Thanks in advance!

91. ## math foe managers

f 5 times the first number plus 3 times the second number equals 47, and 10 times the first number minus 4 times the second number equals 54, what are the numbers?

92. ## English

1. He will be back in a while. 2. He will be back soon. 3. He will be back after a long time. ================= What is the definition of 'in a while'? Does #1 mean #2 or #3?

93. ## chem

The accepted density of the sugar solution is 1.392 g/mL . Based on the average value of each data set, rank the data sets in decreasing order of accuracy.

94. ## Music

Which phrase describes the parts of a basic music staff? 5 lines and 6 spaces high and low music notes 5 spaces and 4 lines 5 lines and 4 spaces

95. ## math

What is the z-score such that the area under the curve to the left is .48?

96. ## Math

A mailman can sort out 738 letters in 6 hours. If the number of sorted letters varies directly as the number of working hours, how many letters can be sorted out in 9 hours?

97. ## Algebra

How many boards, each 4 ft by 10 in long, can be cut from a 40 ft board if there is no waste?

98. ## algebra

two more than four times a number whats the expression using x as the variable? thank you!

99. ## english

who are the characters of the story?

100. ## math too urgent

how to construct 75 degree angle

101. ## Art

creating artwork that showed scenes of everyday life was very different from what was normally painted in the late 1800s. This change in style allowed the artist to be more Common Traditional Creative Boring Please Help! :)

102. ## Chemistry

Imagine that you have a stock solution with a concentration of 4.6 M glucose (C1). You want to use the stock solution to prepare a diluted solution of 0.22M glucose (C2). You need a total volume of 10mL of 0.22M glucose (V2). What volume of water you need

103. ## math for managers

f 5 times the first number plus 3 times the second number equals 47, and 10 times the first number minus 4 times the second number equals 54, what are the numbers?

104. ## Math

For what values of n will the sum n+3 be less than 50

105. ## Math 050

Input= X and is decreased by 7 how would that be expressed into a algebraic expression? Please help

106. ## Chemistry

How many moles of sodium ions are present in a 50.0 g sample of NaCl? Do I use avagadros number?

107. ## history

Between 1963 and 1990, which standard of review was used by the Court to evaluate free exercise claims?

108. ## Physics

A rocket is fired at a speed of 75.0 m/s from ground level, at an angle of 56.3 ° above the horizontal. The rocket is fired toward an 11.0-m high wall, which is located 21.5 m away. The rocket attains its launch speed in a negligibly short period of time,

109. ## Math

If you deposit 10,000 every year into an account paying 5% interest compounded annually, how long will it take to accumulate 1,000,000?

110. ## Lifespan Development

What are some theories, models, and constructs that might influence my perspective on facilitating a counseling session/encounter.

111. ## scienc

three vertical wires in the same plane are suspended from horizontal support. they are all in the same length and carry a load by means of rigid cross bar at their lower ends.one end is of copper

112. ## Jacksonville university

Write a numerical expression for the phrase. Then simplify it. The sum of -4 and 2 and 6

113. ## math

10. A military jet flies horizontally with a velocity of 450 m/s and 20,000 m above the ground. When the jet is straight above an artillery gun a shell is fired. Assuming the shell hits the jet. a. Calculate the horizontal component of the initial velocity

114. ## P6 maths

At a concert, tickets were sold at \$12 , \$30 and \$50. The sales of \$12 tickets made up 25% of the total amout of money collected. The sales of \$30 tickets made up of 60% of the total amount . Given that 5 more \$12 tickets were sold than the \$30 tickets ,

115. ## algebra

a car travels at 53 miles per hour for 2.5 hours. how far will it travel? thank you

116. ## Physics

A hammer is thrown horizontally from the flat roof of a tall building at a velocity of 10m/s and hits the ground below after 5 seconds. (a) How high is the roof? (b) How far from the building does it land.

117. ## Physics

Calculate the height through which a crane can lift a load of 4 ton when it's motor of 4 H.P operates for 10 sec. Acceleration due to gravity is 10 m/s2

118. ## physics

Convert the resultant vector into its x and y components. 225 N at 12 degrees A.(222.3 N, 37.4 N) B(201.1 N, 10.8 N) C.(45.8 N, 201.1 N) D.(220.1 N, 46.8 N)

119. ## math

A box full of packets of biscuits each weighing 200 g weighs 12 1/2 kg.The empty box weighs 2 kg 500 g. calculate the number of packets of biscuits in the box.

120. ## English

Word bank Coerco Intervene I. 1) I looked forward to this arrival with __. (n) 2.) Take raincoats if you __ bad weather. (v) 3.) They used ___ to get answers. (n) II. 1.) Hire some more people to ___ the work. (v) 2.) Can be done ___ if we had more

121. ## Geography(development) help

Does globalization mean "the rich get richer and the poor get left further behind"?And please me a reason.

122. ## Biology

What role does mutation play in the evolution of antibiotic resistance?

123. ## Biology

What roles do survival and reproduction play in the evolution of antibiotic resistance?

124. ## English

1. Thank you so much for not telling her the truth. 2. Thank you so much for not having told her the truth. ============ Which one is grammatical? Are both OK? Which one is commonly used?

125. ## phyics

A car takes 11 s to go from v=0m/s to v = 22 m/s at constant acceleration. If you wish to find the distance traveled using the equation d=1/2at2, what value should you use for a? Express your answer to two significant figures and include the appropriate

126. ## Statistics

b. What is the probability of randomly generating a 7 from the numbers 2 to 12 inclusive?

127. ## History

With respect to the Holocaust, recent scholarship has revealed that A. a majority of Germans were indifferent to the plight of the jews. b. German soldiers in Eastern Europe generally opposed the anti-Semitic program. c. Resistance to the Holocaust sparked

128. ## social studies

What individual behaviors might be influenced by television? A) Suicide- I am not as attractive as those on TV. B) Drug use - I am not happy as those on TV. C) Promiscuous Sexual Activity - it seems to be normal behavior on TV. D) All of the above.

129. ## 7th grade math "Math Makes Me Think"

Day 15: What's my number? It has 3 digits. Sum of digits is 9. GCF of digits is 1. Product of hundreds and tens place is 1.

130. ## Science

Please help!!! You mix 100 millimeters of 10 degrees Celsius water and 100 millimeters of 90 degrees Celsius water. What is the final temperature?

131. ## AP Chemistry

Hey guys! What is the rate constant is particularly sensitive to: 1 A change in volume 2 A change in pressure 3 A change in product concentration 4 A change in reactant concentration 5 A change in the activation energy I feel like it is a change in the

132. ## math

A small grill can hold two hamburgers at a time. If it takes 10 minutes to cook one side of a hamburger, and 5 minutes to cook the other side, then what is the shortest time needed to cook both sides of three hamburgers? (HINT: You are allowed to cook one

133. ## math

You are asked to calculate gas mileage for a car, and your answer comes out with units of gal/mi. This means that

134. ## Math

your management company was hired to take over the maintenance of the room. last year the old floor tiles were replaced with spanish portico special ceramic tiles. the tiles cost \$13.50 per square foot. the owner paid \$6534 for the tiles. Determine the

135. ## Math

Part 2: Once the tiles were laid, mahogany floor trim was installed around the perimeter of the floor. The trim cost \$11.85 per foot. Determine the perimeter of the room and the total cost of the floor trim that was installed

136. ## Math

The sum of the ages of Jared and Caitlyn is 80 years. 8 years ago, Jared's age was 3 times Caitlyn's age. How old is Jared now?

137. ## College Algebra

Randall is 105 years old. Colleen is 5 years old. How many years until Randall's age is 5 times Colleen's age?

138. ## language

What is a 13 letter word whose 9th letter is "O" and describes a relationship between two people or mood?

139. ## algebra (check work)

evaluate the expression when a = , b = -3, c = -12 |a + b + c| = 22 is 22 the correct answer?

140. ## science

How fast does a kHz travel per second?

141. ## Physics

A boy weighing 3.9 102 N jumps from a height of 2.15 m to the ground below. Assume that the force of the ground on his feet is constant. a) Compute the force of the ground on his feet if he jumps stiff-legged, the ground compresses 1.80 cm, and the

142. ## Science

How long does a mHz take to travel?

143. ## Finance

You plan to start a

144. ## CHEMISTRY

It keeps saying I am wrong! Am I doing the math incorrectly? Problem: Calculate the amount of energy released in kJ/mol for the fusion reaction of two 1H atoms to yield a 2H atom and electron: 1/1H+1/1H→2/1H+0/1e The atomic masses are 0/1e (0.0005486 u),

145. ## life orientation

research on processes of campaigns and prtests

146. ## physics

Knowing that in most all movement situations the mass of the system stays constant, how do you get the momentum of a system to change?

147. ## Science

The airplane can take off when its airspeed (speed of the air flowing over the wing) is equal to 65 knots. What is the length of runway required for the plane to take off if there is a 13 knots head wind? The runway at the Tallahassee Regional Airport has

148. ## science

How is 2-iodopropane convert into 2,3-dimethyl?

149. ## Medical

True or False There's no cure for ALS

150. ## History

According to David Ricardo, what determines the price of labor, or wages?

151. ## math

What is 1/10 of 0.08? 0.07??? Am i correct?

152. ## Algebra

-3/7(-w^2)(7w) In this equation, why is the answer positive? I thought the answer is negative because there are 3 negative signs..

153. ## math for managers

5x+3y=47, 10x+4y=54

154. ## math

a square upon a+b minus a-b upon a-b

155. ## Maths

What are conditions for taking |x*y|=|x|*|y|

156. ## Math

Will someone please explain to me how to simplify -10n - 6 + n - 5 And -6(n-9)

157. ## Pre-Calculus

how do i find the vertical asymptote of x−1 / x(x-2) so far i got x-1 / x^2-2x

158. ## geography(development)

What are the Four Negative results of development?

159. ## Algebra

What is the square root of 9x^2

160. ## Math

Will someone explain how to do this Simplify the expression -10-7(n-3) I understand these, just not this one

161. ## math

The exterior surface of a cylinder with a circumference of 2 feet and a length of 5 feet (and no end caps) is the same as the area of

162. ## Math

(x+1)(x−2)(x−4)≤0 A) (−1, 2) ∪ (4, ∞) B) (−∞, −1] ∪ [2, 4] C) [−1, 2] ∪ [4, ∞) D) (−∞, −1) ∪ (2, 4) im confused on which to chose ( or ]

163. ## Physics

Two stones are thrown simultaneously, one straight upward from the base of a cliff and the other straight downward from the top of the cliff. The height of the cliff is 6.34 m. The stones are thrown with the same speed of 9.35 m/s. Find the location (above

164. ## physics

A tourist being chased by an angry bear is running in a straight line toward his car at a speed of 6.27 m/s. The car is a distance d away. The bear is 32.1 m behind the tourist and running at 9.06 m/s. The tourist reaches the car safely. What is the

165. ## Chemistry

average atomic mass of isotopes