# Questions Asked onAugust 21, 2014

1. ## physics

(a) The current in a river flows at 1.35 ms-1 relative to an observer on the shore. A swimmer with a velocity of 3.12 ms-1 relative to the water swims directly upstream. What is the velocity of the swimmer relative to an observer on the shore? i used v=v

2. ## math

23. There are two telephone companies provide home phone service in New York City. Company A charges \$25 monthly fee and \$0.10 for one minute after 30 minutes phone call. Company B charges \$20 monthly fee and \$0.12 for one minute after 30 minutes phone

3. ## physics

(b) The current in a river flows at 1.51 ms-1 relative to the shore. A swimmer with a velocity of 3.76 ms-1 relative to the water wishes to swim directly across the river. At what angle to the shore should the swimmer head in order to arrive directly

4. ## MAth

absolute value problem |13|-7x|-2+8|/6 = 13-7x10/6 am I on the right track?

5. ## blah

Question 5 Two point charges, each 6*10-5 C, are separated by 30 cm. What is the electrostatic force produced by this arrangement?

6. ## Voabulary

How can we hope to a city that is surrounded by such strong walls and has ample supplies of everything it needs?

7. ## physics

(a) An object is subjected to two displacements. The displacement vector of the first, V1 , has a magnitude of 186 m at an angle 23° North of East. The second displacement vector, V2 , has a magnitude of 327 m at an angle 43° West of North. find the

8. ## Algebra

Simplify 1/3 (21m + 27) My answer is 7m + 9

9. ## history

how did the Native Americans use their natural resources

10. ## Math

if it takes 1 second to place a grain of rice on the chessboard, how long will it take to place all the grains on the chessboard for each reward? example: Reward A had 3768 grains Reward B had 73628 grains Reward C had 82613 grains what is the formula to

11. ## physics1015(applied mechanics)

The 1.2-Mg helicopter is traveling at a constant speed of 50m/s along the horizontal curved path while banking at ƒÆ = 30∘. Part A Determine the force acting normal to the blade, i.e., in the yŒ direction.

12. ## computers

create a program that will input two quizzes and will compute for sum,difference,product,quotient and average using printf and scanf. create your own design.

13. ## fundamental design

what is rhythm?

14. ## maths

how is solve arrange the fraction in decending order 1/5, 2/8, 5/12

15. ## maths

A roof section of a house is a large triangle. it measures 6.4 meters at the base and is 3.8 meters high. If one liter of paint covers 3 meters square, how many litres are needed to paint this section twice? Answer to the nearest litre.

16. ## maths

A triangular section of a design must have an area of 1.84m square. If the height has to be 1.6m, what’s the base length?

17. ## chemistry

one of the following scientists never made any contribution to the development of periodic table? (a)j.jthompson (b)John Newlands (c) Luther Meyer ( d) mendeleev

18. ## maths

The sides of a tetrahedron are 4 equilateral triangles. If the base of each triangle is 8cm and its heights 6.9cm, please help me to calculate the surface are of the tetrahedron.

19. ## math

a father is 7times as old as his son .two years ago,the father was 13times as old as his son.how old tyey are now?

20. ## math

on school picnic,a group of students agree to pay equally for the use of a full boat and pay Rs.10 each.if there had been 3 more students in each group, each would have paid Rs.2 less.how many students were there in the group?

21. ## math

The circumference of a circle varies directly from its diameter. If the circumference of the circle having a diameter of 7cm is 7 cm, what is the circumferences of the circle whose diameter is 10cm? 18cm? 20cm? a. Write a mathematical statement that relate

22. ## math

change f(x)=(x-1)^2-4 to general form

23. ## math algebra

The service fee of physical therapist varies directly as the number of hours n of service rendered A physical therapist charges Php 2,100.00 for 3hours service to patient in a home care. How much would he be paid for 6 ½ hours of service.

24. ## math algebra

The amount of paint p needed to paint walls of a room varies directly as the area A of the wall of 2gallons of paint are needed to paint a wall with an area of 100sq. meters?

25. ## math algebra

A teacher charges php.500.00 per hour of tutorial service to a second year high school student. If she spends 3hours tutoring per day how much would she receive in 20days?

26. ## Health

We got a really weird question When a person goes and measured themselves on the medical beam scale, is it possible for them to stand in different places on the scale to weight less or more? (Ex. Standing on one door, left. Or standing on just right foot.

27. ## algebra

solve using elimination please show how to come up with answer. 6x - 3y = 18 6x + 3y = -12 Please help!!!

asked by michael R
28. ## statistics

A certain number of articles manufactured in a batch were classified into three categories according to some particular characteristic, being less than 50, between 50 and 60 and greater than 60. If this characteristic is known to be normally distributed,

29. ## Algebra 1

A college student is looking at her monthly checking account records. On September 1, 2008, her checking account held a balance of \$1,050. At the end of March 2009, her checking account held a balance of \$800. What is the monthly rate of change for the

30. ## Sociology

Which theory do you think better explains how societies operate—structural functionalism or conflict theory? Why?

31. ## Sociology

Do you think the way people behave in social interactions is more like the behavior of animals or more like actors playing a role in a theatrical production? Why?

asked by Buk Lau
32. ## algebra

find the x-intercept of the line 2x-3y-12=0 after it is translated up 3 units

33. ## math

a dining table in the shape of a rectangle ABCD has sides of length (2X+12)and x cm and the length of the diagonal BD is (2x+18)find the value of x

34. ## chemistry

sulphur+iron filings

35. ## physics

show a car that travels 5 km due east and makes a u-turn to travel another 3 km find distance covered and its displacement

36. ## physics

from point A, a boy walks 4 m to the east,2 m to the sout, 4 m to the west , and finally, 2 m to the north , find the distance he travelled and his displacement

37. ## science

The time units used by scientists to divide Earth's history are part of the

38. ## Science

A chemist notes that a solution turns blue when a chemical reaction takes place. Which of the following correctly describes the chemist's data? A.The data is a qualitative observation B.The data is a quantitative observation C.The data is a prediction

39. ## percent markup

If the markup is \$6 on a pair of jeans which cost \$22, what is the percent markup based on selling price?

40. ## english grammar

Homophones Fill in the blank with homohpones The __of the school are very strict There are many ___in the garden

41. ## physical science

A car travels in a northward direction for a total distance of 512 km. The car completes this trip in 6 hrs. After resting the driver makes the return trip, the return trip only takes 5.5 hours. What is the average speed of the car over the entire trip?

42. ## General Physical Science

A fishtank with inside dimensions of 65 cm X 45 cm X 80 cm is filled with water. What is the volume in cm3 of water required? What is the mass in grams of the water required? What is the mass in kilograms?

43. ## science

If each resistor in a diagram is 95 Ù. What is the total current in the circuit if it is connected to a 120 V power supply?

44. ## chemistry

Hydrogen and chlorine react to yield hydrogen chloride: H2+ Cl2 ( 2HCl. How many grams of HCl are formed from reaction of 3.56 g of H2 with 8.94 g of Cl2? Which reactant is limiting?

45. ## math

information: (C)Charges \$750 for up to 30 people. (P)Plus \$20 per person for each extra person. question: C dollars is the cost of a party for P people.Find formula that gives C in terms of P.

46. ## ALGEBRA

A JAR CONTAINING 3 RED 4 BLUE AND 5 WHITE MARBLES WHATS THE CHANCE OF DRAWING FIRST A RED AND THEN WITHOUT REPLACEMENT A WHITE MARBLE?

47. ## Math

Need help plz?! Graph the ordered pairs (0, 4) and (1, -1) and connect to form a line. Which Quadrant contains no point for this linear function? I honestly need help here

48. ## Math

Ernie wants to fence in a rectangular play yard for his two dogs. He has 12 pieces of fence that are one unit each. What are the dimensions of the largest play yard that Ernie could make? Show your work

49. ## Math

I don't know how to answer this. If 10% of a number is 2 less than 20% of the same number, then 80% of the number equals_______.

50. ## English

Is the following sentence an example of using turned as a linking verb? The milk turned sour after sitting on the counter overnight. My answer is yes.

51. ## life sciences

what features does australopithecus sediba share with humans?

52. ## algebra

Additive inverse integer of -13

53. ## math

1. Tim has an after-school delivery service that he provides for several small retailers in town. He uses his bicycle and charges \$1.25 for a delivery made within 1 1/2 mi, \$1.70 for a delivery of at least 1 1/2 mi but less than 2 miles, and so on. How

54. ## math

32 gal/min = qt/h

55. ## Health

Can standing in different positions make you weigh less on a beam scale? If so, how to stand? (More towards front or more towards back. More towards the left or more towards the right. Stand only on one foot or stand on both feet.) I don't have a beam

56. ## Earth Science

Please help me with the following questions: 1. A scientist suspected that the increase in the acidity of ocean water could have a devastating effect on organisms such as snails because it could break down calcium carbonate, a chemical that makes up their

57. ## math

use the number 913,256 write the name of the period that has the digits 913

58. ## Math

If a play at the theater in day 15 was sold out expect for 3 rows in the balcony and one seat in all the other rows, how many people attended the play? This is all the information that the problem gave.

asked by Twin A
59. ## physical science

two forces act on an object f1 = 5N f2 = 7N when will the resultant force be maximum?

60. ## chemistry

How many grams of NaOH are there in 187 grams of an aqueous solution that is 7.06 % by weight NaOH.

61. ## logical and critical reasoning

The second proposition is this: an action done from duty has its moral worth, not in the purpose that is to be attained by it, but in the maxim according to which the action is determined. The moral worth depends, therefore, not on the realization of the

62. ## Chemistry

1.50g of NaHCO3 is dissolved in 17.1g of water. Express the solubility of NaHCO3 in grams per 100g of solvent and calculate the % composition of NaHCO3 and water.

63. ## chemistry

How many grams of NiI2 are there in 263 grams of an aqueous solution that is 33.5 % by weight NiI2.

64. ## logical and critical reasoning

Regardless of what Jim says, baseball is a more refined sport than ice hockey. This is so because more refined people watch baseball rather than ice hockey. You can tell which people are more refined simply by the fact that they prefer the more refined

65. ## Math

Using only one cut, how would you divide 7 pieces of licorice among 5 people so that each person gets the exact same amount of licorice without bending the licorice

66. ## phi 208 ethical and moral reasoning

Robinson describes magnanimity and integrity as both primarily concerned with what? (Points : 1) Honor Wealth Courage Generosity

67. ## chemistry

An aqueous solution of cobalt(II) nitrate has a concentration of 0.471 molal. The percent by mass of cobalt(II) nitrate in the solution is %.

68. ## chemistry

An aqueous solution is 40.0% by mass hydrochloric acid, HCl, and has a density of 1.20 g/mL. The molality of hydrochloric acid in the solution is m.

69. ## math

25. If the area of the base of a circular pool is 942 square yards. What is its radius?(use pie=3.14)

70. ## math

why are 10.6 the same as 10.60?

71. ## phi 208 ethical and moral reasoning

Robinson agrees with Aquinas’ idea that (Points : 1) Honor is a subjective quality Honor is secondary to integrity Honor must be displayed in action Honor is secondary to magnanimity None of the above I think it is c am I correct

72. ## english 4

Phil received a midterm assignment for his economics class to write a business letter. He wants to achieve the highest score possible. What would help Phil the most? 1 knowing the length of the letter 2 knowing the rating scale 3 knowing the evaluators 4

73. ## phi 208 ethical and moral reasoning

Robinson suggests that the more closely one associates with one’s identity with a certain group, the more one will (Points : 1) Associate one’s honor with defying the honor of the group Associate one’s honor with that of the group Associate one’s

74. ## chemistry

A mixture of CO and CO2 having a volume of 20 ml is mixed with x ml of oxygen and electrically sparked. The volume after explosion is (16 + x)ml under the same conditions. What would be the residue volume if 30 ml of the original mixture is treated with

75. ## Math

Solve for w G=4x+1/2w+3/4 Can you show me the steps pls?

asked by Johnny mior
76. ## phi 208 ethical and moral reasoning

Hill uses this technique in the middle of the article to examine ideas about the human’s place within nature: (Points : 1) He presents specific factual examples that demonstrate harm to the environment. He presents a fictional example of a perfect

77. ## Math

Whats the name of the number under the dividend? (Not the remainder)

78. ## Algebra

If a crane is lowered at 4.5 feet per second, what is the crane's velocity and speed?

79. ## Math

If 20% more than a number results in 28, what is the number? Express your answer as a fraction. Please help mates.

80. ## Algebra question HELP!

Beatriz is creating graphs for her city’s Parks Department. Beatriz is trying to persuade the Parks Department to put in more gazebos for shade. For a local park, Beatriz wants to demonstrate the attendance as it changes every week. She also wants to

81. ## math

The density of a solid or liquid material divided by the density of water is called the _______ of the material?

82. ## math

compare write >or< for 2,854,376 to 2,845,763

83. ## Algebra

The HIGHEST point in a certain location is a foreign country is 15,541 feet above sea level. The LOWEST point in the same country is 107 feet below sea level. What is the difference between these two elevations?

84. ## Alg I

when translating the verbal expression "five more than d" into an algebraic expression, is the answer 5+d or d+5? Aren't they the same?

85. ## Earth Science Continued

Please help me with the following questions: 1. A scientist suspected that the increase in the acidity of ocean water could have a devastating effect on organisms such as snails because it could break down calcium carbonate, a chemical that makes up their

86. ## math

11.What is the slope of the line whose equation is 4y-6x+16=0?

87. ## math

12. For what value of x will x and 120 have the same mean as 34 and 53?

88. ## math

35. If b is postive integers less than 400 and more than 100, then how many integer pairs (a,b) satisify the equation a/b=2/9?

89. ## Geomentry

If RS=8y+4,ST=2x-2 and RT=64 find the value of x

90. ## complex fractions and unit rate

A lawn company advertises that they can spread 7,500 square feet of grass seed in 2 1/2 hours. Find the number of square feet of grass seed that can be spread per hour.

91. ## math

Diana is going camping with her family. Their campsite is 3/4 mile away. They walk at a steady speed of 1 and 1/8 miles an hour. How many minutes will it take to get to the campsite

92. ## World Civilization

As an immediate result of the Battle of Trafalgar,

93. ## Physics

The vector -5.2A⃗ has a magnitude of 40m and points in the positive x direction. Find the x component of the vector A⃗ ? I do not understand how I am supposed to figure this out with just having the magnitude of the vector. Shouldn't there be an angle

94. ## Math

Write each percent as a fraction in simplest form. 2 2/5%=?

95. ## English

What are the 4 bilingual programs?

96. ## physics

The mass of a solid cube is 700 g, and each edge has a length of 6.42 cm. Find the density of the cube. Answer in units of kg. d=m/v d=700/(6.42^3) 700/264.60928

97. ## biology

You want to design an experiment to test if a bacteria affects a transmembrane protein. What types of controls should you use to eliminate effects of confounding variables?

98. ## Economics

Production Possibilities Curve (PPC) Worksheet All PPC’s Reflect Increasing Opportunity Costs For Numbers 1-10, think the change affects all markets. On all graphs, place “Consumer Goods” on the X Axis and place “Capital Goods” on the Y. 1)

99. ## physics

A lighthouse that rises 49 ft above the surface of the water sits on a rocky cliff that extends 19 ft from its base. A sailor on the deck of a ship sights the top of the lighthouse at an angle of 30.0 ∘ above the horizontal. If the sailor's eye level is

100. ## Math

How many 2-digit numbers have two different even numbers and odd numbers?

asked by Cassandra Ignacio
101. ## Ethics and Moral Reasonong

In what way would Hill’s notion of “self-acceptance” correspond to Aristotle’s conception of eudaimonia? (Points : 1)

102. ## Algebra

Can you have a 1 column matrix.

103. ## math

what is the base 10 of 469 3rd grade

104. ## biology

Explain how both nucleic acids and proteins are polymers.Be sure to describe the monomers that make up the polymers.

105. ## computer

write an algorithm , draw a flowchart and write a program to calculate the total amount if a child buys 20 pens at rs20each , 30 pencils at rs2 each and 40 erasers at rs5 -***********eac-h

106. ## science & math

for a ray of light incident normally on one face of the prism prace course of the ray measure the delta angle explain briefly do this for prism with angleA=60,45,90

107. ## Oral Communications

What is a good and creative way to start a speech when your introducing yourself.

108. ## algebra

4ax+8a-10x-20

109. ## physics

A highway is to be built between two towns, one of which lies 47.0 km south and 69.0 km west of the other. (a) What is the shortest length of highway that can be built between the two towns, and (b) at what angle would this highway be directed, as a

110. ## physics

hill that has a 37.7 % grade is one that rises 37.7 m vertically for every 100.0 m of distance in the horizontal direction. At what angle is such a hill inclined above the horizontal?

111. ## the part of speech

You should use a _______ conjunction to introduce an adverbial clause. A. plural B. subordinating C. coordinating D. correlative

112. ## phi 208

Robinson describes magnanimity as the mean between the extremes of

113. ## math

Nancys birthdays is beteen aug 10 and aug 27. the date of her birthday is not an even number. the sum of the digits is 4. show how to find the date of nancys birthdat

114. ## math

Nancys birthdays is beteen aug 10 and aug 24. the date of her birthday is not an even number. the sum of the digits is 4. show how to find the date of nancys birthdat