# Questions Asked onFebruary 25, 2016

9. ## math

1. A farmer has 100 acres of land on which she plans to grow wheat and corn. Each acre of wheat requires 4 hours of labor and $20 of capital, and each acre of corn requires 16 hours of labor and$40 of capital. The farmer has at most 800 hours of labor and

10. ## Chemistry

The balanced reaction equation for the combustion of heptane, C7H16, is given below. If the reaction produced 37.5 g CO2, how many grams of heptane were burned?

11. ## Help Math

The sample space for a roll of two number cubes is shown in the table. (1,1)|(1,2)|(1,3)|(1,4)|(1,5),(1,6) (2,1)|(2,2)|(2,3)|(2,4)|(2,5)|(2,6) (3,1)|(3,2)|(3,3)|(3,4)|(3,5)|(3,6) (4,1)|(4,2)|(4,3)|(4,4)|(4,5)|(4,6) (5,1)|(5,2)|(5,3)|(5,4)|(5,5)|(5,6)

12. ## History Check My Answer!

Hey I just have 1 question. What event caused four additional Southern states to secede from the Union? The U.S. accepted West Virginia as a state. The South fired on Fort Sumter. Lincoln declared the Emancipation Proclamation. ****** Lincoln raised an

13. ## 10 drivers ed questions?

please help!! 1. You can never rely completely on your rearview mirrors when changing lanes because (1 point) they may not be properly adjusted. they are too far apart. they are too small. they have blind-spot areas. 2. While approaching your parked car,

14. ## Language Arts

What is the meaning of the poem, Grandma Ling?

15. ## Language Arts-Poetry

The Tide Rises, the Tide Falls by Henry Wadsworth Longfellow The tide rises, the tide falls, The twilight darkens, the curlew calls; Along the sea-sands damp and brown The traveller hastens toward the town, And the tide rises, the tide falls. Darkness

16. ## math

A random sample of dogs at different animal shelters in a city shows that 12 of the 60 dogs are puppies. The city's animal shelters collectively house 1,200 dogs each year. About how many dogs in all of the city's animal shelters are puppies? THANK YOU!

17. ## math

Triangle ABC , BC = CD and (angle ABC - angle bac ) =30, the measure of angle and is?

18. ## Math

Stocks are always quoted in A. quarter lots. B. quarters of a dollar. C. decimals. D. percents. c?

19. ## social studies

what was the name of england's first overseas colony

20. ## physics

By accident, a large plate is dropped and breaks into three pieces. The pieces fly apart parallel to the floor, with v1 = 3.05 m/s and v2 = 1.95 m/s. As the plate falls, its momentum has only a vertical component, and no component parallel to the floor.

21. ## physics

Adolf and Ed are wearing harnesses and are hanging at rest from the ceiling by means of ropes attached to them. Face to face, they push off against one another. Adolf has a mass of 104 kg, and Ed has a mass of 80 kg. Following the push, Adolf swings upward

22. ## history,geography,life science,maths literacy

provide two reasons why you find this a suitable course for each choice

23. ## Physics

Halley's Comet orbits the sun about every 75 years due to the gravitational force the sun provides. Compare the gravitational force between Halley's Comet and the sun when the Comet is at aphelion (its greatest distance from the sun) and d is about

24. ## History

4.)Which answer best describes how the cotton gin changed cotton farming A.)The cotton gin caused cotton prices to drop because it could be harvested so easily. B.)The cotton gin added to the already high cost of producing cotton, and lowered demand.

25. ## History

1.)Who increased communication throughout the United States by inventing the telegraph? A.)Elijah McCoy B.)Samuel Morse*** C.)Isaac Singer D.)Eli Whitney 2.)Which of these 19th century inventions made the production of clothing more efficient? A.)Cotton

26. ## Calculus

find the two numbers whose sum of the squares is a minimum if the product of the numbers is 10.

27. ## Math

1. Hannah drew a pattern using only equilateral triangles. Which of the following statements about the angles is an equilateral triangle is true? A. The measurement of each angle is 60 degrees** B. The measurement of each angle is 120 degrees C. The

28. ## Math

Cecily made a poster in the shape of a quadrilateral. All the angles and sides of the poster are congruent. Which of the following names the shape of Cecily's poster A. Square** B. Rectangle C. Pentagon D. Trapezoid

29. ## Math

As part of a geometry assignment, John drew an equilateral triangle. Which of the following dimensions could represent the side lengths of the triangle John drew? A. 10, 11, 12 B. 13, 15, 17 C. 16, 18, 21 D. 17, 17, 17 **

30. ## Math

A bond quote of 82.25 in dollars is equal to A. $8.25. B.$82.25. C. $822.50. D.$8,025.50. B?

8. Why does Gwendolen always travel with her diary? She believes people should always have something sensational to read on the train. She is hoping to write a three-volume novel based on her life. She wants to be ready if she has to prove an event took

36. ## Math

Nicole deposited $2,000 at 6% simple interest. How long will it be before she has$2,600 in her account? F. 4 Years G. 5 Years H. 6 Years J. 7 Years

37. ## One Math

The sample space for a roll of two number cubes is shown in the table. (1,1)|(1,2)|(1,3)|(1,4)|(1,5),(1,6) (2,1)|(2,2)|(2,3)|(2,4)|(2,5)|(2,6) (3,1)|(3,2)|(3,3)|(3,4)|(3,5)|(3,6) (4,1)|(4,2)|(4,3)|(4,4)|(4,5)|(4,6) (5,1)|(5,2)|(5,3)|(5,4)|(5,5)|(5,6)

38. ## Social studies

1. How did the English overcome the Spanish armada? Through religious devotion. Through better military strategy. (MY ANSWER) With a larger navy. By cutting off the Spanish food supply.

39. ## Physics

a block of mass 2kg moves on a frictionless inline (none of the forces on the block are shown). its initial velocity is v initial=3m/s, and it slides a vertical distance h=10m up the slope and its final velocity is v final=2m/s. find the external work done

40. ## statistics

Identify the level of measurement of the data and explain what is wrong with the given calculation. In a set of data, movie ratings are represented as 100 for 1 star, 200 for 2 stars, and 300 stars for 3 stars. The average (mean) of the 527 movie ratings

42. ## Chemistry

Calculate how many grams of FeSO4 . 7 H2O (MW = 278.02 g/mol) will be needed to prepare 1 mL of a 0.2 M FeSO4 solution? Am I right when I say we'd need

43. ## educational tec connections academy

Which of the following rules is most likely to be used in an A.U.P.? A. Communication should be civil and respectful of one another B. Private files can be viewed without permission from the owner C. Proper credit to the source is not necessary if the

44. ## Physics

A child is on a swing whose 4.0 m long chains make a maximum angle of 30 deg with the vertical. What is the child's maximum speed? I've found problems relating to this but include mass or delta(x) in how far from stationary. This problem doesnt include

45. ## Chemistry

Calculate how many grams of FeSO4.7 H2O (MW = 278.02 g/mol) will be needed to prepare 1 mL of a 0.2 M FeSO4 solution? Is that .0304g?

46. ## Science

a ball is rolled off the edge of a dining table 1.5 m high with a horizontal velocity of 2.2 m/s with what velocity does it strike the ground? How far from the edge of the table did it land on the floor?

47. ## Calculus

A gutter with trapezoidal cross-section is to be made from a long sheet of stainless steel that is 30 cm wide by turning up one-fourth of the width on each side. What width across the top will give the maximum cross sectional area?

48. ## Math

According to the Royal Canadian. Mint Act, a 50-cent Canadian coin must have a diameter of. 27.13 millimeters. What is the ... tenth of a square millimeter? ... nearest square inch of the smallest cover that ... area to the nearest tenth of a meter.

71. ## History

5.)Which answer best describes why many of the states opposed the Second Bank of the United States? A.)The National Bank created strict banking laws. B.)The National Bank was not bound by state banking laws. C.)The National Bank was in competition with the

72. ## Math

In ∆ABC,D and E divides AB and AC in the ratio of 1:2 respectively. Prove that Vector DE=1/3BC.

73. ## life orientation

Write down the name of your course that was your first choice and give description of the course

You receive an 11% commission on all the sales you make. If your commission for the month is $512.50, what was your total sales? asked by Jennifer 75. ## Science Jawless fishes and salamanders are alike in that both types of animals A. are amphibians B. have backbones C. have fins D. are smooth skinned organisms B or D asked by Anonymous 76. ## World History (MC)Why was Otto von Bismarck nicknamed the "Blood and Iron Chancellor"? He suffered from an iron deficiency disease. He received a disabling wound in battle. He put political enemies into prison. He preferred to use armed force.********* asked by Jessie 77. ## physics A bus and a car have an inelastic head-on collision. The bus has a mass of 1.5 × 103 kilograms and an initial velocity of +20 meters/second. The car has a mass of 9.5 × 102 kilograms and an initial velocity of -26 meters/second. What is their total asked by bianca 78. ## Science How many valence electrons does an atom of rubidium have? asked by Anonymous 79. ## physics four forces 8N,6n,2n and 4n act on a point O in the directions north,east,south and west respectively,find the magnitude of their result and the direction of their resultant force. asked by vince 80. ## Science A microwave oven supplies 1.000kj per second.how many min should be set on the microwave in order to heat 250.g of water from 24.3 degrees c to its boiling point? asked by Lucas 81. ## Mensuration The leanth and breadth of a playground are 80m and 35m respectively. (i)-How long will a boy take to go three times round the field, if he walks at rate of 1.5m per second? asked by Sunil 82. ## Geometry Find the area of each rectangle wit the given base and height... A=lw 1) 4ft, 4in 2) 30in, 4yd 3) 2ft 3in, 6in 4) 40cm, 2m asked by Charlie 83. ## Math On a roadmap, the distance between two cities is 8.6 centimeters. What is the actual distance if the scale on the map is 2 centimeters to 50 miles? A - 25 miles B - 215 miles C - 430 miles D - 860 miles asked by Sidney 84. ## statistics If p(A)=.50, p(B)=.60, and p(A and B)=.30, Are A and B mutually exclusive events? and independent events? asked by Nelly 85. ## math Stocks are always quoted in A. quarter lots. B. quarters of a dollar. C. decimals. D. percents. B? asked by debbie 86. ## SS How did the Radical Republican Reconstruction plan affect life in South Carolina? a) the law did not give African Americans equal protection b) the state regained the right to decide local matters c) white males who participated in the war were permitted asked by Alexis 87. ## Pre-Calculus A person flying a kite holds the string 4 feet above ground level. The string of the kite is taut and makes an angle of 60° with the horizontal (see the figure). Approximate the height of the kite above level ground if 500 feet of string is payed out. asked by Tim 88. ## statistic Assume that adults have IQ scores that are normally distributed with a mean of \mu=105μ=105and a standard deviation \sigma=20σ=20. Find the probability that a randomly selected adult has an IQ less than 145. asked by mckenna lester 89. ## Math In the rectangle to the left,if the perimeter was 90 inches,what would the value of x be? asked by Anonymous 90. ## MATH PLEASE Lansing Bookery regularly marks up books 40% of the selling price. The bookstore's cost on a new best-selling book is$12.95 per book. What is the selling price of this book? 21.58 33.21 32.38 18.13

"The importance of being earnest" 8. Why does Gwendolen always travel with her diary? She believes people should always have something sensational to read on the train. She is hoping to write a three-volume novel based on her life. She wants to be ready if

92. ## science help

Which of the following is typically associated with a reduction in photosynthesizing plants in a water supply? An increase in dissolved oxygen A decrease in dissolved oxygen An increase in phosphates A decrease in phosphates is it d

93. ## Math

Callie surveyed 40 students at her school to see how many have dogs and/or cats. She found that 40% of students who have dogs, don't have cats complete the following table. --- 7 ---- who have cats,have dogs, don't have dogs, total. --- 8 ---- don't have

Miday Quong is buying bagels for her coworkers. She buys a dozen bagels priced at $5.49 a dozen. The bakery's cost for making the bagels is$2.25 per dozen. What is the markup rate based on selling price on a dozen bagels? 17.3 41.0 24.4 59.0

95. ## social studies

children received their schooling at home in many pre-industrial families, with the industrial revolution, more children attended formal schools. which of the following statements best explains why this change in schooling developed? (1)after the

96. ## history,geography,life science,maths literacy

provide three possible financial sources for assistance that you can access for funding your studies and indicate the financial obligations you will have if you choose each of these options

97. ## Math

A bond quote of 82.25 in dollars is equal to A. $8.25. B.$82.25. C. $822.50. D.$8,025.50. A?

98. ## Geometry

Where can the medians of a triangle intersect? I. inside the triangle II. on the triangle III. outside the triangle A. I only B. III only C. I or III only D. I, II, or II

99. ## Math

The weights of four different insects are given below. Insect A: 2.19*10^-4 g; Insect B: 5.00*10^-3 g; Insect C: 9.0*10^-2 g; Insect D: 1.50*10^-3 g What is the order of these insects from heaviest to lightest?

100. ## History

10.)How did Felix Varela's experience contribute to American society? A.)He opposed slavery in Cuba and the U.S. and also aided Irish immigrants.*** B.)He spoke out against racism and helped other European immigrants find work in Florida. C.)Felix Varela

101. ## History

13.)Which answer explains how people in the Northeast felt about the use of natural resources in the south? A.)They were concerned that natural resources were being wasted. B.)They thought the Southerners were harming the environment.*** C.)They depended

116. ## Math Vector

In ∆ABC, OA=3i-5j, OB=-7i+4j and the position vector of centroid G is 2i+j. Find OC.

117. ## Physics

A 4.70 nC point charge is placed at the centre of a hollow metal sphere that has an inner radius 4.70 cm and an outer radius 17.6 cm. The metal sphere itself is charged to 8.40 nC. a)What is the magnitude of the electric field at a distance of 1.60 cm from

118. ## Physics

a skier, mass 61 kg is at the top of a hill and starts down with an initial speed of 5m/s. he does no work on the way down, assume that the hill surface is frictionless. find his speed at the bottom of the hill which is 10m below the top.

119. ## History

6.)Which answer best describes how Maryland responded to the national bank created when the U.S. government tried to borrow money after the War of 1812? A.)Maryland passed a law that made the national bank pay a large tax to the state. B.)Maryland repealed

120. ## Math

a sign on a highway says 6% grade, next 3 miles. this means that the slope of the road ahead is 6/100. how much will you climb in elevation ( in feet) over the next 3 miles

121. ## Geometry

What does the radius of a sphere join? any two points on the sphere and does not contain the center any two points on the sphere and contains the center

122. ## Math

Victoria has a 2-pound package of flour. she uses 2/5 of the flour to make a pizza. She then uses 3/10 of the remaining flour to make bread. Find the weight of the package of flour that she has left. Express your answer in decimal

123. ## STATISTIC

A two-tailed test is conducted at the 0.10 significance level. What is the P-value required to reject the null hypothesis? A. Greater than or equal to .010 B. Greater than or equal to 0.05 C. Less than or equal to 0.10 D. Less than or equal to 0.05 MY

124. ## Math (check plz)

y = 2x + 4 2x - y = 6 Solve the system of equations using substitution. A) (2,8) B) (2,-8) C) (10,24) D) no solution

140. ## science

how can I prepare 5 micromolar solution of Fe(NO3)3.9H2O? plz guide me as soon as possible

211. ## mathematics

Between which two successive intergers do the following irrational numbers lie? A.√167 B.^3√80 which irrational numbera lies between 5and6?

if a die is tossed four times what is the probability of getting anything but a five on every toss

213. ## Math

The area of a rectangle is 247 cm^2. The width and length are both whole numbers greater than 1. What are the dimensions of the rectangle?

214. ## Math

The area of a rectangle is 247 cm^2. The width and length are both whole numbers greater than 1. What are the dimensions of the rectangle?

215. ## physics

an electric heater with a resistance of 40 requires 220v across its terminals. a,what is the power dissipated in the resistor b,how much heat is transferred in 1hour

216. ## Algebra

For what real values of c is x^2 + 16x + c the square of a binomial? If you find more than one, then list your values in increasing order, separated by commas.

If 3 cards are drawn with replacement from a shuffled deck, what is the probability that none of the 3 will be hearts?

218. ## MATH

what is a good way to show fractions w/ long equations? Example: 93 + (-3 x 9)/22+1(-4 +5) (note: this is a random example)

219. ## Science

The ratio of Secondary Turns to Primary In a Transformer is 3 if the EMF In the Secondary Coil Is 600Volts Find The EMF Of Primary

220. ## Math

Mario says that are reflecting a point XY across the y axis and then dilating the reflection images by r will produce the same final image as dilating the point by r first and the reflecting the dilation image across the y axis. Use coordinate notation to

221. ## Physics

Find the range at an arrow that leaves a bow at 45 m/s at an angle of 50 degrees above the horizontal level.

Assume an office has two telephones (A and B) with separate lines and different telephone numbers. The probability that telephone A rings when the office is closed is .30. The probability that telephone B rings when the office is closed is .20. What is the

Assume an office has two telephones (A and B) with separate lines and different telephone numbers. The probability that telephone A rings when the office is closed is .30. The probability that telephone B rings when the office is closed is .20 What is the

224. ## social studies

improved technology in the production of small cars often results in lower production costs? which of the following will most likely result from these reduced production costs? (1)the price of domestic small cars will decrease. (2)the demand for domestic

225. ## Algebra

How many fluid ounces are in a cup?

239. ## Calculus

A 10 cm x 12 cm rectangular sheet that is used to make a box with open top is to be lined with cushion. if the cushion material for the sides costs four times per square centimeter as that of material for the bottom, find the dimensions of the box if the

240. ## Science

The height of the tropopause increases near the equator. What does this say about the thickness of the atmosphere?

241. ## Statistics for the Behavioral Sciences

Complete an independent project, collect data from your observation experiment and perform a one-way, between-subjects ANOVA on the data using the definitional formula.Include the following: 1. description of research project that includes the operational

242. ## Math- volume

What could be the length and width of a rectangular prism with a volume of 48 cubic feet and a height of 3/4 foot?

290. ## Pre Cal

x 2 + y 2 = 0