# Questions Asked onJune 17, 2013

1. ## Calculus

The quantity demanded each month of the Walter Serkin recording of Beethoven's Moonlight Sonata, manufactured by Phonola Record Industries, is related to the price/compact disc. The equation p = -0.00048 x + 7\ \ \ \ \(0

asked by Ant
2. ## algebra

The volumes of two cylindrical cans of the same shape vary directly as the cubes of their radii. If a can with a six-inch radius holds 1½ pints, how many gallons will a similar can with a 24-inch radius hold?

asked by sandricka
3. ## science

What is the acceleration of a tennis ball if initially it comes toward the player's racquet at 20 m/s, and it leaves in the opposite direction at 24 m/s? A high-speed camera indicates the time of impact of 4.0 ms.

asked by bittubeniwal
4. ## Math

PLEASE HELP !!! A mason is putting in the foundation for a wall. His assistant digs a trench in roughly the shape of a rectangular solid measuring 50 ft. in length, 12 inches deep along both sides, and 12 inches wide at the top and bottom. How many cubic

asked by Stacey
5. ## accounting

Cypress Oil Company's December 31, 2013, balance sheet listed \$645,000 of notes receivable and \$16,000 of interest receivable included in current assets. The following notes make up the notes receivable balance: Note 1 Dated 8/31/2013, principal of

asked by joyCypre
6. ## Math

In first gear, or low gear, an automobile's engine runs about three times as fast as the drive shaft. In second gear, the engine does not have to run as fast; usually it runs about 1.6 times faster than the drive shaft. Finally, in third, or high gear, the

asked by bob
7. ## math

. You are the accountant for Suite Dreams, a retail furniture store. Recently, an order of sofas and chairs was received from the manufacturer with terms of 3/15, n/45. The order amounted to \$230,000, and Suite Dreams can borrow money at 13% ordinary

asked by keionna
8. ## math

A mason's assistant's rate of pay is \$0.75 per cubic foot of earth moved. He moves 220 cubic feet of earth to dig a trench. What is his pay for this job? THE ANSWER IS NOT &330

asked by Stacey
9. ## Math

If 600 bricks measuring 12" by 18" are required to build a wall 10 ft. high (one brick thick), how long is the wall?

asked by Bria S.
10. ## Statistics

A survey of 90 families showed that 40 owned at least one gun. Find the 95% confidence interval of the true proportion of families who own at least one gun. Example

asked by Jodene
11. ## Math

I = E/R A car has a 12 volt battery. The engine has a resistance of 0.22 ohms. How many amps will be drawn from the battery when the key is turned? I (to the nearest hundredth) = amperes

asked by bob
12. ## math

The angle of elevation of the top of a towerfrom a point 42meters away frm its base on level ground is 36degrees.find the height of the tower?

asked by Nmesoma
13. ## 4 grade math

Carlos Molly and Simon had to share \$100. Molly had 3 times as much money as Simon. Carlos had 2 times as much money as Molly. How much money did Carlos get? How much money did Simon get?

asked by Marsha
14. ## math

which of the following percents can also be expressed as a mixed number? a.310% b.49% c.7.4% d.0.001%

asked by babyc36
15. ## Math check

A random sample of size 26 is to be selected from a population that has a mean ì = 46 and a standard deviation ó of 15. (a) This sample of 26 has a mean value of x, which belongs to a sampling distribution. Find the shape of this sampling distribution.

asked by Sue 76
16. ## ASVAB

Susan' s test scores for social studies are 81,76,73,and 79. what is her average score?

asked by Sinda
17. ## Arithmetic Sequence Help!

The sum of 3 consecutive terms of an arithmetic sequence is 165. The second of these terms is 11 times the first. Find the 3 terms From what I gathered: S(3) = 165 t(2)= 11(t1) The given formulas are: Sn= n/2[2a+(n-1)d] and tn=a+(n-1)d I have no idea how

asked by Alice
18. ## Statistics

3. A telephone company wants to estimate the porportion of households that would purchase an additional service line if it were made available at a substantially reduced cost. A random sample of 500 households is selected and the results indicate that 135

asked by Anonymous
19. ## science

Find the overall average speed of swimmer number one during the race. Find the overall average speed of the second swimmer from the time he starts swimming until he ends his race. What is the instantaneous speed of the second swimmer at time t = 25 s

asked by bittubeniwal
20. ## Calculus

The quantity demanded each month of the Sicard wristwatch is related to the unit price given by the equation below, where p is measured in dollars and x is measured in units of a thousand. To yield a maximum revenue, how many watches must be sold? (Round

asked by Anonymous
21. ## Calculus

The weekly demand for the Pulsar 25-in. color console television is given by the demand equation p = -0.03 x + 571\ \ \ \ \(0

asked by Ant
22. ## soc320

Which of the following is among the impediments to government action on health care? (Points : 1) Frequency of divided government and the resulting decentralization of the legislative process Magnitude of disagreement between citizens and the insurance

asked by PAT
23. ## smith

The Smiths want to buy a 9 ft. by 12 ft. carpet and center it in a 15 ft. by 20 ft. room. What is the area of the carpet?

asked by tiffany
24. ## Chemistry

Cr2O72-(aq) + I-(aq) -->Cr3+(aq) + IO3-(aq) What is the oxidizing species and the reducing species?

asked by Jessica
25. ## Math

A hot water heater measures 20" in diameter. What is the area of a metal base for the water heater, assuming a two-inch overhang for the base beyond the edge of the heater?

asked by Stacey
26. ## chemistry

just take H2O AND CH3CH2OH as example.why say that h2o can form two hydrogen bond per molecule but CH3CH2OH only one.i am confused as both of them also has two lone pairs per molecule,is it true that one hydrogen atom will result in only one hydrogen bond

asked by amper
27. ## trig

Use a sum or difference identity to find the exact value. tan 25deg + tan 5deg / 1-tan 25deg tan 5deg

asked by tony
28. ## math

. A radio station had 245 tickets to a concert. They gave away 4 times as many tickets to listeners as to employees. How many tickets did they give away to employees?

asked by altavion
29. ## math

Find the minimum possible value of 2cos4θ+8cos3θ+32cos2θ+56cosθ+100

asked by jack
30. ## physics

What is the electric field intensity produced by a charge at 10 meters, where the electric potential is 1.44 volts?

asked by kayla
31. ## Algebra

What is the factored form of 6x^4-21x^3-12x^2 ?

asked by Casey
32. ## Calculus

Find the values of a ,b, and c in the quadratic function p(x)=ax^2+bx+c such that p(2)=6, p'2)=2, and p''(2)=3. a = b = c =

asked by Robin
33. ## Test

âˆš(5x-4) = 7 - âˆš(13-x) before we do anything, remember we cannot take the square root of a negative so, 5x-4â‰¥0 and 13-xâ‰¥0 xâ‰¥4/5 and x â‰¤ 13 now back to the question, square both sides 5x-4 = 49 - 14âˆš(13-x) + 13-x

asked by Test
34. ## Calculus

Sketch a graph of the parabola y=x^2+3. On the same graph, plot the point (0,−6). Note there are two tangent lines of y=x2+3 that pass through the point (0,−6). The tangent line of the parabola y=x^2+3 at the point (a,a^2+3) passes through the point

asked by Robin
35. ## college algebra

CRITICAL THINKING: Witout grouping symbols,the expression 2.3³+4 had a value of 58.Insert grouping symbols in the expression 2.3³ + 4 to produce the following values : 1. 62 2. 220 3. 4374 4. 279,936 Thanks ,please help me,i don't know what to do.

asked by rhove
36. ## Statistics

1. If the mean is 40 in a normal distribution, what is the median?

asked by Rey
37. ## Statistics

2. For a distribution of scores, which of the following Z score values represents the location closest to the mean?

asked by Luah
38. ## phil 103

examinind reasons and constructing arguments can help in everyday life

asked by mary
39. ## math

a car depreciates in by avalue of \$1000 per year. The original value of the car is \$30,000. Let V(x) be the value of the car in x years. Write the linear function that represent the value of the car in x years. what will be the value of the car after 7

asked by kirk
40. ## phil 103

A radical skeptic might be willing to doubt which of the following? (Points : 1)

asked by mary
41. ## thrthbr

In a synchrotron, electrons are accelerated to speeds close to the speed of light v≈c≈3×108 m/s Suppose that in a synchrotron, 100 billion (10^11) electrons move in a circular orbit of circumference L=300 m . Determine the electric current in Amps due

asked by dfghndfghncbfv
42. ## phil 103

Logic can help analyze ethical problems. (Points : 1)

asked by mary
43. ## physics

Adventurous Mary tries a new game: she puts on her rollerblades and throws the ball towards the wall, lets it bounce off, catches it again, throws it right back, and so on. She notices a strange thing: after the second throw, she is unable to catch the

asked by Anonymous
44. ## chemistry

Using your 0.0100M oxalate solution and only the equipment and supplies listed below, describe how to prepare a 0.00025M solution of oxalate. Note, you are not allowed to add volumes with pipettes. (example, if you want 20mLs, you can not use a 10mL + 10mL

asked by Annie
45. ## maths

if y varies directly as x,and x=9 and when y=15'find y when x=33

asked by cedric
46. ## chemistry

0.125g of sodium dichromate is to be reacted wtih 0.025M potassium iodide. How many mLs of the potassium iodide solution will be needed. (Use your balanced equations above.)

asked by Annie
47. ## Math for Educators

I am thinking of some #s less than 100. When I divide them by 2 there is a remainder of 1. When I divide them by 3 there is a remainder of 1. When I divide it by 4 there is a remainder of 1. However, when I divide by 5 there is no remainder. what are the

asked by Kelly
48. ## economics

what are welfare payments or consumer subsidies

asked by makhosonke lwazi ndaba
49. ## chemistry

For the following reaction in acidic solution. Cr2O7^2- + I- ---> Cr^3+ + IO3- give the balanced half reduction reaction. Indicate the oxidizing species.

asked by Annie
50. ## Math for Educators

24five x 3five ------ 132five 27eight 65eight +43eight ------- 157eight 75eight -37eight ------- 36eight 1213five/3five??? -If someone could please confirm my answers for the others as well as help me with the last division problem thank you! these are all

asked by Kelly
51. ## math

Find the reciprocal of the following number: -21/23

asked by romina
52. ## yutfv

A thin massless horizontal pipe rotates about a vertical axis with angular speed ω as shown in the figure. A small bug, located at a distance r from the axis, starts crawling inside the pipe at constant speed v (relative to the pipe). Because of the bug,

asked by Anonymous
53. ## math

Can I please get my answers double checked? True or False 1. The tangent function is used to find the angel between two vectors. True 2. If two vectors are orthogonal, then their dot product is -1. False 3. The length of the projected vector is always

asked by mysterychicken
54. ## science

How long does it take the ball in problem 5 to travel 15 meters after being played? Neglect the gravitational effect, and suppose the ball travels along a straight line and assume a speed of 24 m/s. A racecar driver steps on the gas, and his car travels 16

asked by bittubeniwal
55. ## chemistry

For the following reaction in acidic solution. Cr2O7^2- + I- ---> Cr^3+ + IO3- Give the total balanced net ionic equation.

asked by Annie
56. ## Math

A homeowner empties her hot water heater every 36 days and changes the filter in the heat pump every 48 days. She did both on Friday September 17, 2012. When again will she do both on the same day? (give the day of the week, the date, month, and year)

asked by Julia
57. ## Life orintetion

In 10-15 lines critically discuss 5 ways in which the human or environmental problem impacts on the community

asked by Ndumy
58. ## Physics

solve physics question. a train moves 3.6km from rest to rest in 3minutes. the greatest speed is 90km/h, and the acceleration and retardation are uniform. find the distance travelled at full speed.

asked by Anonymous
59. ## science physics

A chicken decides to cross a road. The road is perfectly straight, runs north-south, and is full of cars driving by from south to north. The cars have a log-normal distribution for the distance between each car. However, the cars all travel at 80 km/hr.

asked by phys
60. ## physics

what is meant by liquefaction of gases? can hydrogen be liquefied by compression at the temperature of liquid air?

asked by uche
61. ## Physics

During a head on car crash, the car is designed to slow down as its front end crumples. If a person can survive an acceleration of -33 m/s how far must the front end crumple if the car was initially traveling at 28 m/s?

asked by Alison
62. ## Physics

A herd of wildebeests led by Roger is charging down the hall on the way to lunch. They start out at 10 m/s and accelerate at a constant rate for 5.35 s to reach 34 m/s by the time they reach the stairs. How quickly did Roger's velocity change?

asked by Alison
63. ## physics

from the first law of thympdynsmics, show that in the isothermal expansion of comprrssion of an ideal gas, the heat energy entering the system is equal to the work done by the gas and that these are RTln(V2- V1)

asked by uche
64. ## Physics

How far do you travel if you start at 5.6 m/s and slow down at 2.5 m/s until you stop?

asked by Lynn
65. ## algebra

Sam's sister lives 100 miles away. Sam drove 50 mph for 1/2 hr toward his sister's house. How much farther must Sam travel to reach her house?

asked by luz
66. ## Diversity

One of your friends was the victim of a crime committed by a new immigrant to the country. Now She is intolerant of any children who don't speak English as their first language. This is an example of A stereotyping B discrimination C racism D inclusion

asked by Annoymous
67. ## math

the length of one board is 2feet10inches,and the length of another board is1yard1foot9inches.what is the total length of the 2boards put together?a.1yard4feet6inchesb.2yard1foot7inchesc.1yard3feet20inchesd.3yard5inches

asked by babyc36
68. ## COP 2000-6

show an example of an user inputs a list of positive numbers terminated by 0 into an array, find the mean of the numbers in the array, and outputs th result. use a subprogram to input the numbers, a function to find the mean, and a subprogram to output the

asked by jackie
69. ## language arts

Identify the following sentence as either a fragment, run-on sentence, or as correct: I like this class and it is very interesting.

asked by Anonymous
70. ## MATH

HOW MANY INCHES IS A YARD

asked by Anonymous
71. ## MATH

HOW MANY INCHES IS A FT

asked by Anonymous
72. ## math

could you please do the steps with the answer so that I can understand it. write as a decimal round to the nearest thousandth if necessary. 4/5% 20 1/4% thanks for your time and help

asked by Anonymousab
73. ## math

Can someone please double check my answers (My answers are in Capital) 1. If you produce a million products a day and you want to test ten of them to determine if they are up to standard, which ones will you choose? a. The second ten B. TEN RANDOM UNITS c.

asked by mysterychicken
74. ## math

could you please do the steps with the answer so that I can understand it. write as a decimal round to the nearest thousandth if necessary. 4/5% 20 1/4% thanks for your time and help

asked by Anonymousab
75. ## trig

Find all real numbers in [0, 2π) that satisfy the equation. cos 2x = √(2)/2

asked by tony
76. ## trig

Find all values of ¸ in [0°, 360°) that satisfy the equation. 2 sin 2θ - √(3) = 0

asked by tony
77. ## physics

orange light (lambda=630nm) hits diffraction grating which has a line spacing of (mu)m. The interference pattern is seen on a screen that is 4.0m away. what is the distance between the central bright spot and the first order bright spot on the screen.

asked by ceci
78. ## Physics

If an object is thrown in an upward direction from the top of a building 160 ft high at an initial speed of 30 mi/h, what is its final speed when it hits the ground?

asked by Isis
79. ## Diversity

One of your friends was the victim of a crime committed by a new immigrant to the country. Now She is intolerant of any children who don't speak English as their first language. This is an example of A stereotyping B discrimination C racism D inclusion

asked by Annoymous
80. ## Physical sciences

Copper reacts with silver nitrate according to the equation: Cu(s) + 2AgNO3(aq)= Cu(NO3)2(ag) +2Ag(s). If 0.50mol of copper is added to 1.5mol of silver nitrate , which is the limiting reagent and how many moles of silver are formed

asked by Tersia Malatji
81. ## science

If the two ponds were perennial (i.e., year-round) ponds, because of intersecting the water table, how would the presence or absence of water in the other depressions differ from that which is shown?

asked by Lola
82. ## MATHS

34% * 9

asked by Anonymous
83. ## Maths

Given the f (x) =2x^3 + ax^2 + bx - 9. (a)Find the value of a and b if f (x) has a factor x -3 but leaves a reminder of 8 when divided by x + 1. (b) Factorize f (x) completely and hence solve for x.

asked by Shane
84. ## selma high

What is the area of a rectangle that has a length of 12x and a width of (x + 3)?

asked by Anonymous
85. ## math check

Consider a normal population with ì = 49 and ó = 6. Calculate the z-score for an x of 44.2 from a sample of size 22. (Give your answer correct to two decimal places.) 3.75 is what I got.. and I have only one more try on this one.

asked by Sue 74
86. ## Calculus

A rectangular box is to have a square base and a volume of 20 ft3. If the material for the base costs 37¢/square foot, the material for the sides costs 10¢/square foot, and the material for the top costs 13¢/square foot, determine the dimensions of the

asked by Anonymous
87. ## Calculus

By cutting away identical squares from each corner of a rectangular piece of cardboard and folding up the resulting flaps, an open box may be made. If the cardboard is 16 in. long and 10 in. wide, find the dimensions of the box that will yield the maximum

asked by Anonymous
88. ## Calculus

The management of the UNICO department store has decided to enclose a 917 ft2 area outside the building for displaying potted plants and flowers. One side will be formed by the external wall of the store, two sides will be constructed of pine boards, and

asked by Anonymous
89. ## Physics

Can anyone help with which formula I should use to solve this: During a head on car crash, the car is designed to slow down as its front end crumples. If a person can survive an acceleration of -33 m/s how far must the front end crumple if the car was

asked by Lynn
90. ## business math

Using the exact interest method (365 days), find the amount of interest on the following loan Principal Rate (%) Time (days) Exact Interest \$1,700 12½ % 33

asked by Anonymous
91. ## Calculus

Lynbrook West, an apartment complex, has 100 two-bedroom units. The monthly profit (in dollars) realized from renting out x apartments is given by the following function. P(x) = -10 x^2 + 1780 x - 54,000 To maximize the monthly rental profit, how many

asked by Ant
92. ## math

On May 23, Samantha Best borrowed \$40,000 from the Tri City Credit Union at 13% for 160 days. The credit union uses the exact interest method. What was the amount of interest on the loan?

asked by d.j.
93. ## Calculus

Find the absolute maximum value and the absolute minimum value, if any, of the function. (If an answer does not exist, enter DNE.) f(x) = x^3 + 3 x^2 - 1 on [-3, 1]

asked by Ant
94. ## math

Alicia Eastman deposited \$2,000 in a savings account at the Biltmore Bank paying 6% ordinary interest. How many years will it take for her investment to amount to \$2,600?

asked by keionna
95. ## Math help

A trucking firm delivers appliances for a large retail operation. The packages (or crates) have a mean weight of 306 lb. and a variance of 2209. (Give your answers correct to four decimal places.) (a) If a truck can carry 3940 lb. and 25 appliances need to

asked by Gayle 79
96. ## Math help

Can someone give me simple formulas for the below problems. What I found is too confusing. A sample of 145 values is randomly selected from a population with mean, ì, equal to 45 and standard deviation, ó, equal to 23. (Give your answers correct to one

asked by Gayle 79
97. ## math

Varsity Press, a publisher of college textbooks, received a \$70,000 promissory note at 12% ordinary interest for 60 days from one of its customers, Reader’s Choice Bookstores. After 20 days, Varsity Press discounted the note at the Grove Isle Bank at a

asked by keionna
98. ## Geometry

A. Derive the distance formula (d) shown below for points A = (x1, y1) and B = (x2, y2). 2 2 1 2 2 1 d = (x − x ) + ( y − y ) Note: Look for an application of the Pythagorean theorem where the red line, segment AB, is the hypotenuse of a right

asked by Charlie
99. ## Math

How do you weight probabilities to add up to 1? Example: Chance of rain .25 Chance of person wearing purple hat .1 Chance of person wearing red hat .05 Chance of person wearing black hat .2 Chance of person wearing yellow hat .1 Chance of person wearing

asked by Karen
100. ## physics

A thin, massless, horizontal pipe rotates about a vertical axis with angular speed ω as shown in the figure. A small bug, located at a distance r from the axis, starts crawling inside the pipe at constant speed v (relative to the pipe). Because of the

asked by g
101. ## statistics check

Consider the following. (Give your answers correct to two decimal places.) (a) Determine the value of the confidence coefficient z(á/2) for 1 - á = 0.87. my answer .44 . (b) Determine the value of the confidence coefficient z(á/2) for 1 - á = 0.91. my

asked by Webster85
102. ## MATHS

A school has an enrolment of 450 students.4\9 of them are girls.0•6 of the girls are below the age 8 years.How many girls are above 8 years?

asked by Yannica
103. ## physics

A woman on a bridge 81.6 m high sees a raft floating at a constant speed on the river below. She drops a stone from rest in an attempt to hit the raft. The stone is released when the raft has 9.13 m more to travel before passing under the bridge. The stone

asked by louis aaaa
104. ## English

1. A beaver tail is a big,flat bread. 2. A beaver tail is big, flat bread. 3. Beaver tails are big, flat bread. 4. Beaver tails are a big, flat bread. 5. Beaver tails are big, flat breads. 6. Beaver tails are big and flat. 7. beaver tails are big, flat.

asked by rfvv
105. ## Instructional materials, their preparation and use

Which of the following would you use to sort through slides for a slide or injection?

asked by Cam
106. ## physics

A dynamite blast at a quarry launches a rock straight upward, and 1.9 s later it is rising at a rate of 14 m/s. Assuming air resistance has no effect on the rock, calculate its speed (a) at launch and (b) 5.6 s after launch.

asked by louis aaaa
107. ## Maths

The third term of a sequence is 2(2/3) and the sixth term is 9. Find the first six terms when the sequence is; (a) arithmetic (b) geometric

asked by Shane
108. ## Instructional materials, their preparation and use

Which of the following can we consider to be truly audiovisual?

asked by Tina
109. ## Instructional materials

Filmstrip is called when its put on visualtape

asked by Tina
110. ## Chemistry

Using your 0.0100M oxalate solution and only the equipment and supplies listed below, describe how to prepare a 0.00025M solution of oxalate. Note, you are not allowed to add volumes with pipettes. (example, if you want 20mLs, you can not use a 10mL + 10mL

asked by Jessica
111. ## physics

An astronaut on a distant planet wants to determine its acceleration due to gravity. The astronaut throws a rock straight up with a velocity of + 15.5 m/s and measures a time of 13.9 s before the rock returns to his hand. What is the acceleration

asked by louis aaaa
112. ## Technology in classroom

Which is one disadvantage of drill and practice programs?

asked by Tina
113. ## health

What is an example of how adults can develop knowledge to attain goals if running is a goal:

asked by john
114. ## Technology

If you want to teach whole classes how to use computers, where is the best place to locate the computers?

asked by Grace
115. ## physics

A hot-air balloon is rising upward with a constant speed of 2.00 m/s. When the balloon is 3.37 m above the ground, the balloonist accidentally drops a compass over the side of the balloon. How much time elapses before the compass hits the ground?

asked by louis aaaa
116. ## Math

6 different numbers with a median of 61

asked by Anonymous
117. ## physics

A ball is thrown upward with an initial velocity of 14 m/s. At what time does the ball reach the high point in its flight? (Use the approximate value of g = 10 m/s2 and remember that the velocity is equal to zero at the high point.)

asked by cody
118. ## math

The physical education teacher marked off a triangular section of the gym to play a game. Two of the triangle's sides were 7 feet and 9 feet respectively. If the perimeter of the triangle is 22 feet, what is the measure of the triangle's third side?

asked by Anonymous
119. ## Chemistry

What is the pH of a buffer solution that is made by adding 21.0 grams of sodium fluoride to 1.00 Liter of 0.15M hydrofluoric acid? (see the Table above for the Ka of hydrofluoric acid; calculate the pH to 2 decimal places) hint: you will have to find the

asked by D.J.
120. ## MATH

Complete Problem 34 in Section 5.2 Exercises (Ch. 5) of Essentials of Geometry for College Students. 34. Given: ABC,/ AD bisects

asked by BJ
121. ## Physics

Adventurous Mary tries a new game: she puts on her rollerblades and throws the ball towards the wall, lets it bounce off, catches it again, throws it right back, and so on. She notices a strange thing: after the second throw, she is unable to catch the

asked by Abhishek Ranjan
122. ## physics

A pellet gun is fired straight downward from the edge of a cliff that is 27.1 m above the ground. The pellet strikes the ground with a speed of 25.9 m/s. How far above the cliff edge would the pellet have gone had the gun been fired straight upward?

asked by louis aaaa
123. ## Physics

Hi. This question is from my own point of view based on electricity. Is it possible in theory to have electricity passed through wireless rather than using wires????

asked by anonymous
124. ## physics

A cement block accidentally falls from rest from the ledge of a 51.5 -m-high building. When the block is 12.9 m above the ground, a man, 1.60 m tall, looks up and notices that the block is directly above him. How much time, at most, does the man have to

asked by louis aaaa
125. ## Chemistry

ALL ice melts at 0*C, but it requires MORE HEAT to melt 10g of ice than it would for 20g of ice. Why? I thought it was the opposite.

asked by Diana
126. ## maths

S=1+2(1 5 )+3 (1 5 ) 2+4 (1 5 ) 3…. If S=a b , where a and b are coprime positive integers, what is the value of a+b?

asked by ravi&ashu
127. ## chemistry

The densities of three solutions with known concentrations ( 20% , 50%, and 70%), and one unknown solution were determined. If the densities of 20%, 50% and 70% solutions are 0.69 and 0.58 and 0.49 g/mL, respectively, and the denisty of the unknown

asked by alayna
128. ## Math

What is the future value of \$800 invested for 14 years at 11 percent compounded annually

asked by Denise
129. ## Math

What is the present value of \$803 to be received 18 years from now at 10% discount rate.

asked by Steven
130. ## maths

S=1 + 2(1/5) + 3(1/5)^2 + 4(1/5)^3 +5(1/5)^4…...........infinite......... If s=a/b , where a and b are coprime positive integers, what is the value of a+b?

asked by unknown
131. ## math

How Many years will it take to grow \$321 to a value of 450.22 at a compounded rate of 12 percent

asked by Steven
132. ## maths

S=1 + 2(1/5) + 3(1/5)^2 + 4(1/5)^3 +5(1/5)^4…...........infinite......... If s=a/b , where a and b are coprime positive integers, what is the value of a+b?

asked by unknown
133. ## Math

What would be the cost of a car if my payments were \$453 monthly for 3 years at 6% per year

asked by Yolanda
134. ## Math

My monthly mortgage payments are \$4,369.66 for 30 years at 8%, what is the original cost of the house?

asked by Yolanda
135. ## trig

Find all angles in degrees that satisfy the equation. Round approximate answers to the nearest tenth of a degree. tan α = -1.85

asked by tony
136. ## math

One white marble, two blue marbles, and three red marbles were in a bag. One marble was drawn from the bag and then put back. then another marble was drawn. What is the probability that a white marble was drawn both times? Is the answer 1/36? 1/6 * 1/6

asked by cici
137. ## Math

My 30 year mortgage loan is \$255,413 with a monthly payment of \$1,321.33 at 6%. There are only 8 years remaining. what is the payoff?

asked by Leslie
138. ## Math

12 years at 5% compounded annually what is the future value of \$557?

asked by Bruce
139. ## Math

what is the present value of \$329 a year for 6 years at a 12 percent discount rate?

asked by Bruce
140. ## math

please factorise 100-9x^2

asked by kartikeya
141. ## history

which is true of secretary of state William henry seward

asked by Anonymous
142. ## maths

using a glazed paper,find out the multipication of 3/7 and 1/6.

asked by abhigyan
143. ## Math help

Consider the following table for a single-factor ANOVA. Level of Factor Replicates 1 2 3 1 0 4 4 2 0 5 6 3 1 3 6 (a) Find x1,2. (b) Find x2,1. (c) Find C1. (d) Find x. (e) Find (Ci )2.

asked by Sue 11
144. ## maths

using buttons of different colours ,find the solution of 5x-6=9

asked by abhigyan
145. ## maths

using a glazed paper,find out out the quotient of 0.4 divided 0.8.

asked by abhigyan
146. ## Math

ABC is a triangle with ∠BAC=60∘. It has an incircle Γ, which is tangential to BC at D. It is given that BD=3 and DC=4. What is the value of [ABC]^2?

asked by Bob
147. ## mathematics

using glazed paper ,show that 3/-7 and -9/21 are in prpportion.

asked by abhigyan
148. ## stat

When rolling a die, is this an example of a discrete or continuous random variable?

asked by Bruce
149. ## english

write a letter of apology and reconcilation to a friend with whom you have quarrelled.

asked by abhigyan
150. ## math

Two teams play an extended series of 100 volleyball games. Team A wins the first game and then team B wins the second. The probability that a team wins each subsequent game is equal to the proportion of games that team has won so far. The probability that

asked by I <3 maths
151. ## math

What is the molarity of a 15%w/v HCl solution (GMW=36.46)?

asked by tiffany
152. ## Change of subject formular

Change the following y=x-8

asked by Yakub musa jah
153. ## life orientation

critically discuss 5 ways in which substance abuse can have an impact on human & environmental factor?

asked by noluthando zwane
154. ## Physics

A circuit is composed of a capacitor C=3 μF, two resistors both with resistance R=69 Ohm, an inductor L=6.00e-2 H, a switch S, and a battery V=25 V. The internal resistance of the battery can be ignored . Reminder: The "L=x.xxenn H" notation means

asked by AAA
155. ## World Geography

1. Which of the following was the main purpose behind the formation of the Arab League in 1945?

asked by Minh Turley
156. ## Physics

Light from a coherent monochromatic laser of wavelength λ=2.29e-4 m is incident on two slits, both of width a, separated by a distance d. The slits are placed a distance L away from a screen where L≫d and L≫a. The diffraction/interference intensity is

asked by AAA
157. ## Math

The distance between the front wheels of a model car is 4.5 centimeters. What is the actual distance of the car if the scales is 1:24

asked by Billie
158. ## english

Find the error in the sentence. Improving Sentences Janet tired 'to comfort' her little brother 'when he lost' his turtle and helped 'him find' a better pet 'than their sister'. Where is the error? I don't know if there is one.

asked by kitty
159. ## math

Suppose A,B,C,D and E are distinct positive integers such that A < B < C < D < E,their median is 10 and their mean is 15.Find the maximum possible value of D.

asked by jack
160. ## math

Suppose A,B,C,D, and E are distinct positive integers such that A

asked by jack
161. ## math

ABCD is a square. Γ1 is a circle that circumscribes ABCD (i.e. Γ1 passes through points A,B,C and D). Γ2 is a circle that is inscribed in ABCD (i.e. Γ2 is tangential to sides AB,BC,CD and DA). If the area of Γ1 is 100, what is the area of Γ2?

asked by jack
162. ## math

If ABC is a triangle with AB=20,BC=22 and CA=24. Let D lie on BC such that AD is the angle bisector of ∠BAC. What is AD^2?

asked by jack
163. ## math

Let S={1,2,3,4,…,2013} and let n be the smallest positive integer such that the product of any n distinct elements in S is divisible by 2013. What are the last 3 digits of n?

asked by jack
164. ## Science

Project Work-Draw(x-t)graph on graph paper which represents a body is travelling with uniform acceleration.

asked by Nandani Raj
165. ## math

In an urn, there are several colored balls, with equal numbers of each color. We add 14 balls which are all of the same new color, that is different from those in the urn. It is calculated that the probability of drawing , without replacement, two balls of

asked by jack
166. ## math

ABCD is a square. Γ1 is a circle that circumscribes ABCD (i.e. Γ1 passes through points A,B,C and D). Γ2 is a circle that is inscribed in ABCD (i.e. Γ2 is tangential to sides AB,BC,CD and DA). If the area of Γ1 is 100, what is the area of Γ2?

asked by jack
167. ## math

Consider the function defined as f(x)=(x^2+2x+3)^2+4. As x ranges over all real values, what is the minimum value of f(x)?

asked by jack
168. ## math

Find the sum of the squares of the three solutions of the equation x^3+3x^2−7x+1=0.

asked by jack
169. ## Diversity

When selecting books for young children, you should avoid those that include 1 unusual characters that deviate from the norm. 2 exaggerated characteristics based on race or gender. 3 illustrations depicting strong females and sensitive males.

asked by Annoymous
170. ## math

Let S(N) denote the digit sum of the integer N. As N ranges over all 3-digit positive numbers, what value of N would give the minimum of M=NS(N)?

asked by jack
171. ## math

S=1+2(1/5)+3(1/5)^2+4(1/5)^3…. If S=a/b, where a and b are coprime positive integers, what is the value of a+b?

asked by jack
172. ## math

What is the sum of all possible positive integer values of n, such that n^2+19n+130 is a perfect square?

asked by jack
173. ## Diversity

Books that promote tolerance include 1 sexist attitudes 2 male and female heroes 3 racist beliefs

asked by Annoymous
174. ## math

The real numbers x and y satisfy the nonlinear system of equations {2x^2 − 6xy + 2y^2+ 43x + 43y = 174 x^2 + y^2 + 5x + 5y = 30. Find the largest possible value of |xy|.

asked by jack
175. ## math

Find the sum of all primes p, such that p divides up, where up is the p-th Fibonacci number.

asked by jack
176. ## maths

Integers a, b, c, d and e satisfy 50

asked by shiv
177. ## PHYS

You throw a bowling ball o the empire state building(381m high) 10m/s down- ward. How long does it take to get to the bottom?

asked by Q
178. ## physical

Franky claims he has a mass of 65kg. He is sitting on a spherical bouy that oats just barely submerged under water. When he gets o it rises halfway out of the water. What must the radius R in centimeters of the sphere be for him to be telling the truth?

asked by Q
179. ## physical

David's clock ticks once for every two of Phil's clock ticks. How fast is Phil moving by David?

asked by Q
180. ## Diversity

When selecting books for young children, you should avoid those that include 1 unusual characters that deviate from the norm. 2 exaggerated characteristics based on race or gender. 3 illustrations depicting strong females and sensitive males. Is number 2

asked by Annoymous
181. ## conclusion

A good way to establish a conclusion as true, or probable, is to (Points : 1)

asked by mary
182. ## math

1.Mark makes Php 40.00 per hour if he works 40 hours or less.If works overtime,he makes an additional Php 5.00 per hour as overtime pay.What would be his total pay if he worked 58 hours? 2.The world's greatest known ocean depth of 36,201 feet was recorded

asked by rhove
183. ## Physics

A 747 jetliner lands and begins to slow to a stop as it moves along the runway. If its mass is 3.42×105 , its speed is 28.0 , and the net braking force is , what is its speed 8.27 later?

asked by Ailorra
184. ## Physics

A trapeze artist swings from one 35-ft long trapeze to another trapeze. She releases one trapeze at a 30 degree angle relative to the vertical. She flies through the air, catching the other trapeze 18 ft away at the same elevation. What was her release

asked by Joe