# Questions Asked onOctober 23, 2016

1. ## math calculus

A poster is to contain 300 (cm square) of printed matter with margins 10cm at the top and bottom and 5cm at each side. Find the overall dimensions if the total area of the poster is minimum.

2. ## Math

How would you describe your understanding of rational numbers? (Select all that apply)

3. ## Phyics

A 56 kg astronaut stands on a bathroom scale inside a rotating circular space station. The radius is 250 m and the bathroom scale reads 42 kg At what speed does the space station does the floor rotate

4. ## Physics

Your daredevil friends attach a rope to a 140kg sled that rests on a frictionless icy surface. The rope extends horizontaly to a smooth dead tree trunk lying at the edge of a cliff. Another person attaches a 30kg rock at the end of the rope after it passes

5. ## Physics

Particle A makes a perfectly elastic collision with another particle B at rest they fly apart in opposite direction with equal speeds the ratio of their masses mA/mB is?

6. ## math

An art class is making a mural for their school which has a triangle drawn in the middle. The length of the bottom of the triangle is x. Another side is 10 more than four times the length of the bottom of the triangle. The last side is 3 more than the

7. ## MATH

A farmer wants to fence a small rectangular yard next to a barn. Fence for side parallel to the barn will cost 50 per foot and the fence for the other two sides will cost20 per foot. The farmer has a total of 2000 dollars to spend on the project. Find the

8. ## Calculus

Ship A is moving east at 20 miles per hour, while ship B is moving north at 15 miles per hour. At noon ship A was 5 miles east of an island, and ship B was 75 miles south of the island. At what rate is the distance of the ships changing at 1 pm?

9. ## physics

A 64.8 g drink is left on a turntable causing it to turn with an angular speed of 8.50 rad/s. If the drink has coefficients of friction of μs = 0.890 and μk = 0.500 with the turntable, what is the furthest distance that the drink could have been placed

10. ## physics

A race car track has been constructed with the a bank angle of 32.7° so there is no friction force. The race car track has a curve radius of 394 m. What speeds, for the race cars, has the track been designed to accommodate?

11. ## Physics

A 83.0-kg person, hanging from a rope, is being pulled away from a burning building by a firefighter, as shown in the figure below.

12. ## Chemistry

Balance the following redox reaction in basic solution. H2(g)+Fe3+(aq) ---> H2O(l)+Fe2+(aq)

13. ## Frequency-Math

The table below shows the scores of a group of students on a 10-point quiz. Test Score Frequency 3 0 4 2 5 2 6 1 7 2 8 3 9 0 10 4 The mean score on this test is: The median score on this test is

14. ## accounting

The entry to transfer a net loss to the owner's capital account would include a debit to

15. ## poetry

what's the significance of the poet's structure and style choice in the poem Dover Beach?

16. ## Physics

You toss a tennis ball straight upward. At the moment it leaves your hand it is at a height of 1.3 m above the ground, and it is moving at a speed of 7.4 m/s. (a) How much time does it take for the tennis ball to reach its maximum height? (b) What is the

a sticker costs 15 cents, and a packet of similiar stickers cost \$1. clement buys 37 stickers. what is the least amount of money that clement spends on the stickers

18. ## physis

(1) A solid weight 0.04 Newton in air and 0.024 newton when fully immersed in liquid of density 300 kilogram per metre cube.What is the volume of the solid? (2)The density of a body is 5*10^3 kilogram per metre cube and it weights 1 newton in air

19. ## Math

Estimate f(5.9) given that f(6)=5 and f′(6)=3.

20. ## algebra

The two smaller angles of a right triangle have equal measures. Find the measure of the smaller two angles, and the measure of the largest angle, in degrees.

21. ## psy/315

Two boats, the Prada (Italy) and the Oracle (USA), are competing for a spot in the upcoming America’s Cup race. They race over a part of the course several times. The sample times in minutes for the Prada were as follows: 12.9, 12.5, 11.0, 13.3, 11.2,

22. ## Physics

A 0.630 kg wooden block is spun around on a wooden table. The wooden block is being spun around on a 2.00 m long massless wire. The wooden block has air being pushed out behind it causing a thrust force of 3.30 N. The air is being pushed out at 70.0° from

23. ## Physics

The mass of a spacecraft is about 480 kg. An engine designed to increase the speed of the spacecraft while in outer space provides 0.09 N thrust at maximum power. By how much does the engine cause the craft's speed to change in 1 week of running at maximum

24. ## math

A certain number was increased 5 times, then decreased by 3, then halved. The result was 0.3 less than the original number. What was the original number?

25. ## Math

Use the digits of your birthday as the amount of your initial investment (i.e., 6/25 is \$625), calculate the value of this investment after 10 years at 3.5% APR for interest compounded yearly, quarterly, monthly, and daily. What do you notice?

26. ## Chemistry need asap

Situation: The Production of Nitric Acid can be achieved by the following process: Nitrogen monoxide gas(NO) + diatomic oxygen gas+ water (liquid) ===> Nitric Acid (aq) a. Show complete balanced reaction for process What I have: 4NO+ 3O2+ 2H2O > 4HNO3 b.

27. ## Math

A submarine at -28 feet dives 40 feet. What is the submarine's elevation after the dive?

28. ## Social Studies

Describe The European view of Columbus’s voyage and his encounter with the Taino

29. ## Statistics

Assume a study of 500 randomly selected school bus routes revealed 480 arrived on time. Is it significant for a school bus to arrive late?

30. ## Physics

Ball 1 initially travels with a velocity of u m/s.Ball 2 is stationery and has a mass of 0.2kg and this collision lasts for 0.1 s.Afterwards both balls move in the direction of ball 1's initial velocity. Each ball has a different final velocity. During the

31. ## Geometry

Two buildings are separated by an alley. From a window 80 feet above the ground in one of the buildings, it can be observed that the angle of elevation to the top of the other building is 62*, and the angle of depression the the bottom of the building is

32. ## Physics

A box of mass m = 59.0 kg (initially at rest) is pushed a distance d = 84.0 m across a rough warehouse floor by an applied force of FA = 204 N directed at an angle of 30.0° below the horizontal. The coefficient of kinetic friction between the floor and

33. ## Math

In a basketball game, Albert made 11 out of 15 free throws and Jake made 10 out of 13 free throws. Who had the greater ratio of free throws attempted? Explain your reasoning.

34. ## finance

You want to purchase a car. It costs 25,000. You have 3,000 that you have saved up for a down payment. You can go with the 5 year car and 60 month car loan. The car manufacture is offering a special deal on your car. You can get zero percent financing or

35. ## physics

During strenuous exercise, it is possible to exert forces to the joints easily ten times greater than the weight being supported. What is the maximum force of friction under such conditions? The frictional forces in joints are relatively small in all

36. ## math

If each small square on a grand chess board is 2 cm by 2 cm, each diagonal of the whole board measures 800 cm. How many small squares are on the board?

37. ## Economics

Below are my answers to the following multiple choice questions, please check and correct me if im wrong, thanks :) 1.Manufacturing high end products in Canada requires (Multiple Answers Allowed) Select one or more: a. Very focused customer strategy b.

38. ## maths percentage

in a 400ml can of mixed juice, 41% is MAngo Juice, 3205% is pineapple juice and the rest is water. find the volume of Mango, pineapple and water ?

39. ## Algebra

A small garden measures 11 ft by 8 ft. A uniform border around the garden increases the total area to 154 ft2. What is the width of the border? I cant seem to get the right answer. Please help

40. ## Math

Explain why an account balance less than-40 dollars represent a debt greater than 40 dollars

41. ## maths

the number of 3-digit numbers which end in 7 and are divisible by 11 is?

42. ## Chemistry

In a three reactions system the first two reactions are endothermic with DeltaH values of 138kj and 241kj. if the final reaction is exothermic what is the minimum value of DeltaH3 that would make the overall reaction exothermic? explain your reasoning. i

43. ## physics

A stone is moved round a horizontal circle with a 20 cm long string tied to it. if centrepetal acceleration is 9.8 m/s2, then its angular velocity

44. ## statistics

The current rate of success is 70% for 200 students. When the new test is implemented, the rate increases to 85% for the 50 students who pass the test and are allowed into the program. Is this difference significant?

45. ## math

Write 360 as powers of its prime factors

46. ## Math

Two riders, A and B leave the starting line at the same time. A takes 12 minutes to complete one lap and the B takes 18 minutes. How long in minutes after they will it take for them to meet again at the starting line?

47. ## mathematics

the sum of two numbers is 31. 2/3 of one of the numbers added is equal to 5/8 of the other.find the two numbers

48. ## physics

A car starts from rest and accelerates for 8.7 s with an acceleration of 4.4 m/s 2 . How far does it travel? Answer in units of m.

49. ## physics

You raise a bucket of water from the bottom of a well that is 12 m deep. The mass of the bucket and the water is 5.00 kg, and it takes 15 s to raise the bucket to the top of the well. Part A How much power is required?

50. ## Math

A typist types 70 pages in 3 hours 30 minutes how long will she take to type 300 pages

51. ## English

1. Did you know? + Where did he go? 2. Did you know where he went? 3. Did you know where he had gone? (Which one is similat to #1?) 4. Do you know? + Can he play the guitar? 5. Do you know if he can play the guitar. (Are both the same?) 6. Do you think? He

52. ## English

1. This is the classroom in which I met her. 2. This is the playground at/on/in which I met her. 3. This is the coffee shop at/in which I met her. 4. This is the street in/on which I met her. ---------------------------------------- Can we use all the

53. ## Math

an industry representative claims that 30 percent of all satellite dish owners subscribe to at least one premium movie channels. in an attempt to justify this claim, the representarive's claim is true, and suppose that a sample of six dish owners is

54. ## Chemistry (atoms)

How many atoms of oxygen, O, are in 0.0595 moles of water?

55. ## Chem

Consider the decomposition of a metal oxide to its elements, where M represents a generic metal. M203(s) 2M(s) + 1/2 O2(g) info given for Gf(kJ/mol): M203= -6.00 M(s)=0 O2(g)= 0 1.) what is the standard change in Gibbs energy for rxn as written in forward

56. ## Maths GRE

The basic sticker price on Mr. Feldman's new car was \$3200, The options he desired cost an additional \$1800. What percent of the total price was made up options? 3200 *100 1800 *x X=56.25= 56 1/4

57. ## Physics

A ball is on the end of a rope that is 1.75 m in length. The ball and rope are attached to a pole and the entire apparatus, including the pole, rotates about the pole's symmetry axis. The rope makes an angle of 78.0° with respect to the vertical. What is

58. ## science

assuming the earth to be a sphere of uniform density,what will be the value of g in a mine 100th below the earth surface.Given r=6400 km and g=10m/s.

59. ## Social Studies

1. Explain the role that religion had in different parts of the Colonies during early settlement. 2. Compare and contrast the economies of the New England, Middle, and Southern Colonies.

60. ## poetry

what's the significance of the poet's structure and style choice in the poem Dover Beach?

61. ## Physics

An object of mass m1 is placed on an inclined plane (angle theta above the horizontal) is connected by a string going over a pulley to a hanging object of mass m2. Determine the acceleration of the system if there is no friction between object 1 and the

62. ## Math

Substituting the four numbers 1, 9, 8 and 3, for the four letters in the addition problems (different number for different letters) BAD + MAD + DAM. Find the largest sum!

63. ## Math

A farmer has only pigs and chickens. When she stands on her porch and surveys her stock, she sees 22 heads and 52 legs. How many chickens does she have and how many pigs?

64. ## Mathematics

find the equation of the parabola passing through the origin with the turning point (2;-8).help mi.

65. ## math

A 5.35 kg steel block is spun around a motor at 36.5 rpm. The angular acceleration of the block is -2.14 rads/s^2 and it takes 1.79 s for the block to come to a complete stop. What is the angular displacement while the block slows to a stop?

66. ## Math

The daily temperature is decreasing at a rate of 2 degrees Fahrenheit T represent the daily high temperature now right then expression for the high temperature in five days the current at high temperatures need to address for hi-fi high temperature in five

67. ## Pure Math

Find the complex number u=x+yi where x,y € I, such that u^2=-5+12i. HELPPPPPPP!

68. ## Science

In an experiment ti determine the density of a liquid the following pieces of information were obtained. Mass of empty bottle=50g Mass of bottle and liquid=85g Volume of liquid=100cm^3 Use the information to determine the density of the liquid

69. ## phy101

station A and station B apart from rest st station A and acceleration at A constants rate of a=1.2 m.s.s until the mid point to station B it slows down at the same rate a and stop at b final? a) the time of train between station ? b)The maximum speed of

A ladder is placed 4 ft from the side of a building. The top of the ladder must be 13 ft off the ground. What is the shortest ladder that will do the job? 4^2 + 13^2 = x^2 16+169=185^ =34,225

71. ## Math

Gary walked 1 1/2 km to school, then 750 m to his job, then 1 km home. How many kilometres did he walk altogether?

72. ## Geometry

Once drawing the pentagon with a radius of 2, how would you figure out the side length when only knowing that the radius is 2 and when the apothem is placed it splits into a 36-60-90 triangle?

73. ## history

i'm writing an essay comparing indentured servants and slaves. can you just read what i have so far and correct errors in grammar and how I word my sentences. thank you Between the 16th and 18th centuries, cheap labor, agriculture and mercantilism ensured

74. ## English

1. How long did it take for him to finish the 200-kilometer course? 2. It took 6 hours and 49 minutes. 3. It took him 6 hours and 49 minutes. 4. It took 6 hours and 49 minutes for him. (Are the answers all correct?) 5. What was Henk Angenent's record? 6.

75. ## Physics

Weight of an object on the surface is 100N . What will we it's weight a planet whose mass 10times that of earth and radius is 3 times as that of earth??

76. ## Algebra

I'm thinking of a number. When I multiply it by 6 and subtract 30, the answer is 78 What is Noah's number?

77. ## English

Had you better go at once. (Can we use this sentence?)

78. ## Math

A shirt button gas a mass of 400 mg. A factory produces a tonne of these buttons in a year. How many buttons does it produce.

79. ## science

How do you prepare 1000ml of 0.1M from solid NaOH from NaOH pellets?

80. ## finance

You have only saved 2,000. You are going to trade in your old car and get a new one. The dealership has offered you 3,000 for your trade, and you have accepted their offer. The car you want to buy costs 23,000 but you talked them down to 21,000. The

81. ## math

You are 18 now. You want to have one million dollars when you are 45. How much do you need to save each month, at 10 percent to have your million dollars at age 45?

82. ## Physics

You push a 1kg block against a spring with spring constant k = 100 Nmon a horizontal table top. The spring is compressed to 0.2m away from its relaxed length, and then the block is released. If the horizontal table top has a coefficient of kinetic friction

83. ## Maths

Draw a rectangle in which each diagnol=6cm and the acute angle between them is 45

84. ## math

Integration: integral (sin2x / rad (1+cos^2 x) ) dx=? integral (x / (x^2 -1)(ln (x^2 -1)) ) dx=?

85. ## Statistics

A dice rolling just once What is probability of given the face is odd, it is a 1?

86. ## maths

Find the first term (a) of ago sequince in which the common ratio is 2 and sum of the first 10 terms are 93

87. ## math

John was jogging at a rate of 5mph and he has a one half mile start on Sue who jogs at 7 mph. In how many minutes will it take before they meet?

88. ## Math

The weights of divya and himanshu are in the ratio of 5:7. If himanshu weights 28 kg , find the weight of divya

89. ## Geometry

The lengths of the three sides of an isosceles triangle are 24", 24", and 14". Find the measure of each length of each angle. Then find the area of the triangle.

90. ## English

1. In 1963, how many percent of the skaters finished the race? 2. In 1963, how many percents of the skaters finished the race? 3. In 1963, how much percent of the skaters finished the race? 4. Only one percent of the skaters finished the race.(answer)

91. ## Physics

A 350-kg disk-shaped non-rotating satellite gets hit by a 5-g piece of space debris moving at 1.5 km/s. If the debris buries itself near the satellite’s rim, how rapidly will the satellite rotate after the hit?

92. ## Maths

Mona has scored 94 points in the last six basketball games. If she earns two points per basket, how many baskets at all must she shoot in the next six games for her average points per game to be 16?

93. ## Math

A bus leaves Town A on Saturday night and is supposed to arrive at Town B at 08:17 am on Sunday morning. If the estimated journey time is 10 hours 43 minute, at what time on Saturday should the bus leave Town A?

94. ## math

Estimate the distance the bus travels in 2 3/4 hours at 60 mph.

95. ## English

In the center of the table was a plump, golden brown turkey, surrounded by numerous side dishes. Are my commas in the right places in the above sentence?

96. ## Literature

In Love Must Not Be Forgotten, From the narrator’s perspective, what are the Pro’s and Cons of marrying Qiao Lin? If you do develop a list-type comparison, which decision prevails, and why do you think so?

97. ## N.E.U

station A and station B apart from rest st station A and acceleration at A constants rate of a=1.2 m.s.s until the mid point to station B it slows down at the same rate a and stop at b final? a) the time of train between station ? b)The maximum speed of

98. ## Math limits

lim as x --> infinity ( 4x + (3 / x^2) ) My work: (4x^3 / x^2) + (3 / x^2) (4x^3 + 3) / x^2 degree of top > degree of bottom No horizontal asymptote, so the limit does not exist The correct answer is infinity. How?

99. ## English

Dongdo and Seodo are 151 meters away from each other. ................................. 1. 151: one hundred and fifty-one 2. 151: one hundred fifty-one 3. 151: one fifty-one (What is the common way of reading the number? Are all OK?)

100. ## chemistry

proof that the energy of the first spectra line in Lyman series E =3/4Eo Eo=2.18×10-18

101. ## math

Gordon swims 4 metres for every 1 metre Maria swim. By how far in metres will Gordon beat Maria if the race is 50 metres?

102. ## Math

Pat cuts a 40 cm length off a 3 m ribbon. How many centimetres of ribbon remain?

103. ## value

The sum of 9 and a certain number is 2 whole number 1 over 4 times the original number. Find the number

104. ## Visual Arts

What are the 4 spatial types in art?

105. ## Algebra

Factorize 1: 8z^2+19z+15=0 2: 4x^2+16x-6=0

106. ## Chemistry

When 26.16 g of iron is heated in the presence of excess chlorine gas, they will react to form 76.08 g of a compound called ntaining these 2 elements. If the molar mass of this compound is 644 g/mil find the molecular formula.

107. ## Algebra

one number is 5 more than another number.3 times the greater plus twice the lesser is 30

108. ## Math

What is the last digit of the number 4^2006

109. ## math

Please help. given the units for four of the six variables, what must be the units of z and y? a=m t=s/K h=N^4 x=m z^a=xh cos(yt)

110. ## Math

In a 5 km race, Anna swims 450 m, then runs 800 m. She then cycles the rest of the race. How many kilometres does she cycle?

Before electricity, nights in towns and fields were often times pitch black, except when there was a full moon. How many times brighter is the noonday sun than the full moon when the moon is at the closest point to the earth? Model the moon as a sphere of

112. ## Algebra

solve for the negative value of x: I know if you solve for a positive value, the answer for x=13; but how to get the negative value. |2x-8|=18

113. ## EASY MATH FOR 4TH GRADE

HOW DO YOU MULTIPLY 3,333 and 5?

asked by Anonymous kid (no name pl
114. ## Math

How do you write 1.42 * 10to the fifth power in standard form?

115. ## Math

Express the given sums using sigma notation. 1/2+1/2×3+1/3×4+...1/99×100?

116. ## EASY MATH

WHAT IS 20x20+13-100x2 and What is the value of y in yx2=12?

asked by Anonymous kid (no name pl
117. ## Easy art

Who is famous for painting the ram's skull and has the first name that is a state?

asked by Anonymous kid (no name pl
118. ## English

1. Only a part of story is true. 2. Only part of the story is true. 3. Dokdo was first recorded as part of Korea in the 500s. 4. Dokdo was first recorded as a part of Korea in the 500s. (Do we have to use 'a' before 'part'? Are both okay?)

119. ## Math

How many vertices are in a polyhedron if there are 7faces 1 hexagon and 6 triangles

120. ## math

Andi has shopping 48 orange and 45 apples, he wishes to divide it equally into bags. How many possible ways he can do this (he can have 6 bags of 8 fruits)

121. ## English Writing

The explain in one paragraph for each website why you think the website is good for academic work. Structure: Topic sentence 2-3 reasons why it is good or bad, or a little of both. Concluding sentence. Make sure to use the evaluative word "because" in your

122. ## Math Homework

The Men's 400 meter race 5th finisher LESLIE DJHONE from France 45.11/ The Women't 400 meter race 5th place finisher was ANASTASIA KAPACHINSKAYA from Russia 50.03. If both of those 5th finishers had completed in the semifinals of the 2013 World

123. ## Math

Three blocks, each 15 cm thick, are stacked on top of a 1.2 m box. How many metres high is the stack?

124. ## Chemistry

5.58g of Fe reacted with 3.0g of oxygen. How many moles of Fe were used?

125. ## math

52/4 - 4 /5/9=

126. ## English

1. How many islands do you think Dokdo is made up of? 2. Do you think how many islands Dokdo is made up of? (Is #2 incorrect? Why is that?)

127. ## Maths

list the set of: counting numbers from 20 to 30

128. ## math

list the set of: counting numbers from 20 to 30

129. ## Mathematics

Find the inverse of g(x)=3^x

130. ## Science

How long would it take Kara to drive 324 miles at an average speed of 57 mi/hr? d=324 km s=57 mi/hr t=? What equation do I use for this question?

131. ## Science

Total distance 25 km Total time taken 20 minutes What is average speed

132. ## English

After grace, I helped myself to a slice of cake which melted in my mouth because it was so moist. Is my sentence correct? Or should it be help without the ed?

133. ## science

The first ionization energy of Boron is 799, give an equation illustrating first ionization with Boron

134. ## math

Two angle of a quadrilateral is 90 degree and 100 degree. the remaining two angles are equal. calculate the size of each remaining angle.

135. ## math

write in index form 3/8 x 3/8 x 3/8

136. ## maths need help too hard

4^x+3^x=9^x find x thanks