# Questions Asked onFebruary 8, 2017

1. ## math

While working on the roof of his house, John leans a 15 foot ladder against a second story window. If the distance on the ground between the base of the ladder and the house is nine feet, at what height does the ladder reach the second story window? In

2. ## science

A galvanometer of resistance 100  gives full scale deflection at 10 mA current. What should be the value of shunt so that it can measure a current of 100 mA?

3. ## Further Mathematics

The first term of a g.p is 7 while the common ratio is 3.find the 11th term.

4. ## Math

Travis is 19 years older than his sister Linda. In 4 years, he will be twice as old as Linda. How old is each of them now?

6. ## Chemistry

What mass of salt(NaCl)should you add to 1.20 L of water in an ice cream maker to make a solution that freezes at -10.4∘C?

7. ## Math (calc)

An open box with a square base is to have a volume of 12ft^3. Find the box dimensions that minimize the amount of material used. (round to two decimal places). it asks for the side length and the height. Please help asap due in a few hours. Thank you

8. ## Continuity Calculus Help

Find the value of constants c and d that make the function below continuous at x = 4. f(x) = x2 − 3x x < 4 c x = 4 d + x x > 4 c = d = 8 I got d=8, but finding c is giving me trouble.

9. ## math

Without using a calculator, choose (a) the larger of cos 40 and cos 50; (b) the larger of sin 40 and sin 50. Be prepared to explain your reasoning.

10. ## math

in triangle ABC angle B =90 and BD PERPENDICULAR AC proof that angle ABD =angle ACB

11. ## math

Use Simpson's Rule and all the data in the following table to estimate the value of the integral (with 7 at the bottom, 13 at the top) ydx. x 7 8 9 10 11 12 13 y -5 -2 6 7 8 0 -4

12. ## Chemistry

a. If 5.57 g of glucose are produced through photosynthesis, what is the minimum number of moles of carbon dioxide and of water that were used? b. If the 5.57 g of glucose is an 80.2% yield, and assuming that carbon dioxide was the limiting reagent, how

13. ## Identifying the Structure of Sentences

Identify the structure of each of the following sentences as either simple, compound, complex, or compound-complex 1. If this offense is reported, he will receive a severe fine. 2. The apples, peaches, and pears are in the refrigerator.

14. ## Math

The volume of seed in a bird feeder is represented by the equation V = 12(24-h) Q: Make a table of ordered pairs (h,V)

15. ## Maths

In a class of 80 students,53 study Art,60 study biology,36 study Art and biology,34 study Art and chemistry,6 study biology but not chemistry.Illustrate the information on a Venn diagram.Determine the number of students who study Art only And Chemistry

16. ## Mathematics

A rectangular sheet of paper 30 into 18 cm square can be transformed into the curved surface of a right circular cylinder in two ways that is either by Rolling the paper along its length of a rolling it along its breadth find the ratio of the volume of the

27. ## Math

A flagpole casts a shadow 17 m long. The angle of elevation from the tip of the shadow to the top of the flagpole is 58 . How high is the flagpole to the nearest decimal?

28. ## ELA

That Old Straw Sojourner David Matherne An old patched hat, which was almond with trim-red, Watched as it sat on an old, thin head. And what it saw, and what it knew, Was more than more of you Might even ever construe 5 From just a patched, old hat. It’d

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29. ## Physics

A locomotive pulls 12 identical freight cars. The force between the locomotive and the first car is 150.0 kN, and the acceleration of the train is 2 m/s2. There is no friction to consider. Find the force between the eleventh and twelfth cars. (Express your

30. ## Precalculus

The vector $\begin{pmatrix} k \\ 2 \end{pmatrix}$ is orthogonal to the vector $\begin{pmatrix} 3 \\ 5 \end{pmatrix}$. Find $k$. I thought the answer should be 10/4/

31. ## Chem

The sodium sulfite-acid solution should be disposed of by ____________________. Question 5 options: 1) placing it in a designated waste container inside the fume hood. 2) reacting it with potassium permanganate before placing in a designated container

32. ## digital literacy

what is an search engine? A-a website that searches specific information on the world wide web. B-a piece of hard ware that allows your computer to search for information. C-an external device that keeps your computer running. d-an piece of software that

33. ## Physics

3 identical point charges Q are placed at the vertices of equilateral triangle (length of each side is equal to 2m) if Q=60uC, what is the magnitude of Electrostatic force on any one of the charges.

34. ## Math

For the following questions the US population in 2008 was 304 million. Round each answer to the nearest 10th of a million. How big was the Labor Force in November 2008? What was the size of the Labor force in the previous month? What was the size of the

35. ## English

Generally speaking, novels have A. single themes. ==B. multiple settings. C. limited characters. D. no resolutions. Is this correct??

36. ## Math

For every quart of lemonade jackie makes she adds 2 lemons how many quarts of lemonade did jackie make if she used 12 lemons

37. ## Physics

Sarah walks 5 miles 35 degrees north of east, and then decides to walk 6 miles due west. What is her final displacement? I drew it out, used the Pythagorean theorem and ended up with square root -11 which is obviously wrong. I'm really confused as to what

38. ## anonymous

what mass of benzene is required to reac with excess oxigen to produce 66.50 g of carbon dioxide

39. ## physics

two balls are dropped in a vacuum. if one is caught in half the time as the other what is the difference in distance the balls traveled? a.1/4*t b.1/4*t^2 c.1/2*t^2 d.15/3*t e.15/4*t^2 I believe it is b. but i'm not 100% sure.

40. ## Chem

We will calculate the amount of acid to use in each titration. Assume that you are using 0.0512 M NaOH(aq). A good volume of NaOH(aq) to use per titration is 15 mL. From this molarity and volume, the moles of NaOH can be calculated. Since the unknown acid

41. ## Math

Chris wants to build a fence around his square garden. The garden measures 6 feet on each side. How many fencing material does he need?

42. ## Recognizing Compound-Complex Sentences

Put parentheses around each subordinate clause that you find. 1.The mountain areas are barren, but the valleys are fertile since they are irrigated daily.

43. ## Math

In Joel's recipe for lemonade the ratio of lemons to water is 7 to 4. People are complaining that the lemonade is too weak. Which ratio would make the lemonade STRONGER? A) 5 to 3 B) 7 to 5 C) 8 to 4 D) 8 to 5

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44. ## science

Explain the differences between internal and external fertilization and the advantages and disadvantages of each reproductive strategy.

45. ## Chemistry

Consider a one step reaction. Which of the following does not describe the activation energy of the process? The minimum amount of energy needed for a reaction to occur The energy difference between the starting point and the transition state The energy

46. ## Social Studies

What new opportunities were won by women with the passage of the 19th Amendment? A Women were elected governors by the votes of women.*** B Women gained equal pay in factories. C Women were able to achieve higher levels of education. D Women were

47. ## ELA

In a paragraph compare and any two of the following forms of poetry: concrete, haiku or limerick. Your essay should include a specific description of each of the two forms you choose. Explain how each of the two forms are alike and how they are different.

48. ## English

Which option best describes a main idea of "Kuba Khan" Society tends to fear creative people Creative people are welcome in society Society tends to love creative people< Hail is a problem in many societies

How did Prince Henry of Portugal contribute to maritime exploration? A) He led many voyages west across the Atlantic in search of the West Indies. B) He encouraged the use of ancient pirate routes to explore and find new land. C) He funded any and all

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50. ## Chemistry

We will calculate the amount of acid to use in each titration. Assume that you are using 0.0512 M NaOH(aq). A good volume of NaOH(aq) to use per titration is 15 mL. From this molarity and volume, the moles of NaOH can be calculated. Since the unknown acid

51. ## Chemistry

Benzene (C6H6) has a normal freezing point of 5.50oC and a density of 0.88 g/mL. When 1.28 g of naphthalene (C10H8) is dissolved in 125 mL of benzene, the freezing point of the solution is 5.03oC. Determine the molal freezing point constant for this

52. ## Math

Determine a,b and c so that curve y= ax^3 + bx^2 + cx will have a slope of 4 at its point of inflection (-1,-5) Help please!

53. ## Chemistry

Aluminum oxide contains 53% of Al. How much oxygen combines with 26.5g of aluminium to form aluminium oxide? Thank you

Bebo wants 6/10 of floor tiles to be red. If she uses 18 red tiles, how many square tiles will be used to cover the floor. Show an area model

55. ## social studies

Check my answers please Which of the following is the best example of the growing fear of communism and foreigners that America was experiencing in the 1920s? 1. labor unions losing supporters 2. the john scopes trial 3. the harlem renaissance 4. the sacco

56. ## Heath

Which source is the best to follow if you were looking to buy a facial and message spa package for your mom for Mother's Day?

57. ## calculus

Find the points on the graph y = -x^3 + 6x^2 at which the tangent line is horizontal. I found -x^2 + 4 = 0 are the points [4,32]

58. ## math

walk 1 mile to house and 1/2 mile to school how far you walk altogether

59. ## Math

The perimeter of the parallelogram is 102 feet. Find m. Write your answer as a decimal or mixed number. The top is 3m. the side is m.so would the top & bottom would be 6m and the sides would be 1m each which would make the answer m=8

60. ## Math

Which shapes have more than one line of symmetry? Explain your thinking

61. ## Maths

three different lights flash every 5 seconds, 8 seconds and 12 seconds respectively. if they start at the same time how long will it take for them to flash at the same time again?

62. ## Continuity Calculus Help

The given function is defined for all x > 0 except at x = 8. Find the value that should be assigned to f(8), if any, to guarantee that f will be continuous at 8. (If an answer does not exist, enter DNE.) f(x)= Sqrt( x^2-64/x-8)

64. ## civic

Discuss how the rights of citizens are denied during emergency rules

65. ## Chemistry

Consider the following reaction. 2KClO3(s) → 2KCl(s) + 3O2(g) a.) How many grams of KCl are produced from the complete reaction of 12.5 mol of KClO3? b.) How many grams of KCl are produced from the complete reaction of 38.4 g of KClO3? Please explain how

66. ## math

Give possible values for length and breadth of the rectangle whose area is -x square+7x+30

67. ## Chemistry

The density of cesium is 1870 kg/m3 and the cell volume is 2.23 x 10-22 mL. Determine the number of atoms in the unit cell. Note: the number of atoms in a unit cell is a whole number.

68. ## Continuity Calculus Help

9.0/1 points | Previous Answers SSTCalc6 2.3.046.My Notes Question Part Points Submissions Used Let f(x) = 4x2 if x > 2 4x + 3 if x ≤ 2. Show that f is continuous from the left at x = 2, but not from the right. lim f(x) = n→2− f(2) = lim f(x) =

69. ## english

what makes play hamlet more tragedy than play Agamemnon . several murders what else.

70. ## Math Velocity

Jeff is standing on a bridge 5M above the river, He picks up a small rock and tosses it into the air, the rock reaches a height of 12M in one second and hits the water in about 2.3 seconds Determine when the rock reaches a height equal to the bridge but on

71. ## maths equation too hard

x^3=3^x plz help me what is the solution yes i know x=3 but how?

72. ## Math

Rewrite the numbers in order from least to greatest. 0.3, 0.102, 0.127, 0.2, 5/7 0.102, 0.127, 0.2, 0.3, 5/7

73. ## Math

For every 8 squirrels that Travis sees in his backyard, six are dining at the bird feeder. Travis saw 28 squirrels today. About how many were eating birdseed? A) 16 B) 20 C) 21 D)24 Thank you so much!

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74. ## Math

There are 8 students who have 3/4 of a cake they want to share. How much of the cake will each student eat if that split it evenly

75. ## Math

How do you solve -1-2 over 1/2

76. ## Physics

A 15.0 gram bullet with a speed of v is fired into a 400 gram block of wood that is initially at rest on a surface. The coefficient of kinetic friction between the block and the surface is 0.250. The block of wood is attached to a horizontal massless

77. ## Finance

Which type of debt is the least attractive for a consumer? Unsecured debt Secured debt Mortgage debt Lease debt My answer is unsecured debt

78. ## Math

Write 13/14 as a percent. Write the remainder in fractional form. I know that 13/14 as a decimal would be 92.857143 and as a percent around 92.86% my question is what would the remainder be and how to write it in fractional form?

79. ## math

The difference and Diameter of a circle is 120cm. The area of that circle in squares meters is

80. ## Math

The length of a rectangle is 1 m more than twice its width. What is the length of the rectangle if its perimeter is 110m?

81. ## Science

Describe how fans in a sporting stadium would need to move to create a transverse wave and a longitudinal wave

82. ## Math

In a class,12 pupils are in the band and 3/4 of the remaining pupils are in the modern dance club. If 1/5 of the class are in neither the band nor the club,how many pupils are there in the class?

83. ## social studies

1.How have humans negatively impacted the water system of Arkansas? Select all that apply a.The construction of the MKARNS has resulted in more flooding. b.Chemicals and runoff from industry harm wildlife. c.Too much trade along the rivers damages the

whats 9+10?

Fred has 3 times as many dimes as quarters. How many dimes does he have if the value of all the coins is $3.85? asked by Tammy 86. ## science what similarities do nuclear energy and chemical energy share? select all that apply. A) both are types of kinetic energy B) both are types of potential energy C) both involve magnetic energy D) both involve stored energy please help! anybody just anybody! asked by kakashi hatake please help 87. ## Math@@ How do I solve v + 17 -11= 65 asked by Kim 88. ## spanish how would you say, "I like art class" in Spanish? asked by jay 89. ## Algebra I have answered the question but not sure how to check for extraneous solution. x/(5x+4)=3 The answer is -6/7 asked by Eric 90. ## Chemistry Aluminum and oxygen react to form aluminum oxide. 4 Al + 3 O2 2 Al2O3 a. What is the limiting reactant if 30.7 g Al are reacted with 38.3 g of O2? b. What is the theoretical yield of Al2O3, in grams? c. If 35.3 g of Al2O3 are obtained, what is the percent asked by Seida 91. ## World history Describe the Sumerian civilization. I don't have any answer choices for this asked by Help please 92. ## math Suppose the amount of algae in pond triples every day. After 12 days the pond is complete with algae. I believe that on day 4 the pond is 1/3 of the way full. Am i correct? asked by belem 93. ## physics In 5 seconds a car accelerate from 0 to 40 m/s. 20 sec after reaching 40m/s the car comes to a complete stop. if this deceleration takes 4 sec, how far has the traveled since its trip began? a)100m/s b)800m/s -c)980m/s- d)1140m/s e)1700m/s i got B but asked by Anonymous 94. ## math 6 scarves are black, 2 scarves are red, and 2 scarves are white. it is dark and sarah reaches into the drawer and chooses a scarf. what is the probability of a scarf being white in percentage form? asked by tabitha 95. ## science how should each form of energy be identified? A) energy A:gravitational energy /energy B:chemical energy B) energy A: nuclear energy/ energy B: electrical energy C) energy A: electromagnetic energy energy B:sound energy D) energy A: mechanical energy asked by kakashi hatake please help 96. ## physics If a golden eagle is flying due west with a speed of 32 mph, and encounters a wind that blows it north at 11 mph, what is the resultant velocity of the eagle in m/s? At what angle must the eagle be heading in this direction? asked by Jay 97. ## Algebra You have$6.00 to spend on drinks and burgers. Drinks cost $.50 each and burgers cost$1.00 each. Write an inequality.

How would I set up this problem to solve it: Gene offers 30 mins. and 60 mins. driving lessons. He gave 8 lessons that lasted 7 hours. How many 60 minute lessons did he give?

99. ## physics

If 32s is required for an object to reach maximum height, what will be the time for an object to come back to its initial position a. 32s b. -32s c. 64s d. 16

100. ## Earth Science

1. We start with 400 atoms of Uranium-238. How many remain after 4.5 billion years? _______ After 9 billion years? _______ After 13.5 billion years? ________ 2 . How long will it take for ½ of the original amount of Rubidium-87 to decay? _______ 3.

101. ## English

Ethan Frome test please check my answers and correct them if they are wrong 4. Which word best describes the atmosphere, or mood, of the Prologue and Chapter I? A. jolly B. comfortable C. severe D. superstitious B is wrong Answer c 11. What kind of

102. ## Social Studies

The Golden age of Indian culture came during which empire? 1. Roman 2. Persian 3. Gupta**** 4. Mauryan This raja conquered weak kingdoms left by Alexander the Great. 1. Chandragupta Maurya**** 2. Asoka 3. Hari Krishna 4. Vishnu In this section of the

103. ## math

Please check my answers and make sure there right. Joe had a total of 8 slices of pizza he gave jack 3 slices what is the ratio of total slices to slices eaten? A. 8 to 3****** B. 3 to 8 C. 4 to 9 D. 16 to 6 Read the question above what is the fraction of

107. ## Chemistry

The density of iridium is 22400 kg/m3 and the cell volume is 5.66 x 10-23 cm3. Determine the number of atoms in the unit cell. Note: the number of atoms in a unit cell is a whole number. The molar mass of iridium is 192.22. I know that this can either be a

108. ## Chemistry

The element rubidium has bcc packing with a body-centered cubic unit cell. The density of Rb is 1530 kg/m3. Calculate the volume (L) of the unit cell of rubidium. Molar mass of Rb=85.468. Since it is bcc, it would have 2 atoms/unit cell. Can you please

109. ## Science

1) If you let all of the liquid evaporate out of the pitcher, would you be able to see the solid particles of the drink mix? Explain. 2)Compare what happens when a geyser erupts to what happens when a tea kettle whistles. 3)Name something made of aluminum

110. ## Chemistry

The element Sc has hcp packing with a hexagonal unit cell. The density of Sc is 3000 kg/m3. Calculate the volume (L) of the unit cell of Sc. Sc Molar Mass =44.956 It is hcp, so it has 2 atoms/unit cell. I would appreciate any help with this problem! Thank

111. ## ELA

What would be a good thesis statement for comparing and contrasting Pop and Christian music?

112. ## Math

you lave a line intersecting at (3,6) what would represent the two lines?

113. ## Sara

which is not a characteristic of romanticism power of reason nature brings wisdom and inspiration< or C? focus on the individual power of the imagination

114. ## chemistry

2CH3OH + 3O2-> 2CO2 + 4 H2O wHAT IS THE AMOUNT OF OXYGEN IS REQUIRED TO COMPLETRLY BURN 5 MOL OF METHANOL?

115. ## Math

Determine a,b and c so that curve y= ax^3 + bx^2 + cx will have a slope of 4 at its point of inflection (-1,-5) Help please!

116. ## math

A car travels at a constant speed of 56 miles per hour. How far will it travel in 45 minutes and 45 seconds?

117. ## English

Becca was helped/helping Corky with his homework last night. Answer: helped Blossom watched/watching her best friend study for the test. Answer: watching Plz check my answer. Thank you!

118. ## Chem

If .00840 mol is the answer to this question (Suppose that 16.41 mL of 0.0512 M NaOH were required to titrate a sample of unknown acid. How many moles of NaOH were used? ) how would I answer this: Assuming that the unknown acid sample in question 1 had a

119. ## math

In a class of 80 students,53 study Art,60 study biology,36 study art and biology,34 study art and chemistry,6 study biology and 18 study biology but not chemistry.Determine the number of students who study =Art only =Chemistry only

120. ## american government

what are the similarities between baltimore county council and the maryland

121. ## Social Studies

1. ____ taught that people need a strong ruler to maintain order 1. Daoism 2. Legalism***** 3. Buddhism 4. None of these 2. A Chinese family was usually headed by the 1. Oldest relative 2. Strongest man 3. Oldest woman 4. Oldest man***** 3. Who was the

122. ## Social Studies

6. Compare the experience of farmers, coal miners, and union laborers during 1920s. What did many have in common? A. Economic prosperity B. Public disapproval C. Federal assistance D. Financial hardship I think C or D...

123. ## Social Studies

In Chinese society, the merchant class ranked below the 1. farmers and aristocrats 2. landowners and traders*** 3. aristocrats and priests 4. bankers and farmers Can someone please check my answer?

124. ## chemistry

what is the theoretical yield in grams of MgO if 2.54g Mg metal reacts with excess O2

125. ## S.S.

How did the federal blockade of New Orleans affect citizens in Louisiana?

126. ## Ms. Sue! Math

Come up with a new linear function that has a slope that falls in the range -1

127. ## Math

5/8 of the students in my class were boys. When 6 girls joined the class, the number of boys equaled the number of girls. How many students were in my class then?

128. ## SS

You want to find a painting of Abraham at a religious art exhibit. Where are you more likely to have success? A:in the Jewish, Christian, or Muslim displays. B:only in the Jewish display. C:in the Christian and possibly Jewish displays. D:in the Muslim

129. ## multiplication and division of fractions

mariah runs 1/8 mile per minute. how many minutes will it take mariah to run 2

130. ## Algebra

Which of the following is an example of function notation? A. Volume + radius = 67 B. Volume/radius = 67 C. Volume x radius = 67 D. Volume(radius) = 67

Jacques Marquette Jacques Cartier Louis Jolliet Quebec New Orleans These people and terms are associated with ___ exploration and colonization in the New World.

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132. ## algebra

p divided by five (as a algebraic expression)

133. ## physics

a box with a mass of 25kg is lifted (without acceleration) through a height of 2.0m, in order to place it upon the shelf of a closet. The value of acceleration due to gravity g= 9.8ms^2 How much work is required to lift the box to this position? i figured

134. ## Calculus unit review

I wanted to ask this 1 questions because i didn't even know where to start. For a continuous function f(x), f(1) = 11, and Integral symbol from 1 to 5 f'(x)dx=9. Find f(5).

135. ## algebra

50 less than k (as an algebraic expression )

136. ## fractions

I have 12 cookies I ate 3 how would I write what I ate in a fraction

137. ## Philosophy

What does Socrates argue that death is, and why do true philosophers welcome it?

172. ## S.S.

Which location did not serve as the headquarters for Louisiana's government during the Civil War? a. Baton Rouge b. New Orleans c. Opelousas d. Shreveport I think the answer is c. What do you think?

173. ## Calculus-derivatives

At what points on the graph of f(x)=6x^2+4x-9 is the slope of the tangent line -2?

174. ## Math

Use digits 0 through 9, without using a digit more than once, so that you can make the following reduce to a solution of x < -1/2 How do I do this? Please help, I am confused.

175. ## Social Studies

13. From 1914-1916 as war raged in Europe what was one reason it was difficult for America to remain netrual? a. Alliance required that the u.s get involed in foregin affairs b. newspaper encouraged a policy of expansionism c. th warning powers interfered

176. ## Math

A cone is formed from a sector of a circular of radius 9cm which sustained an angel 120 find (a) the radius of the cone formed (b) the curved surface area of the cone (c) the total surface (d) volume

177. ## home business, not school

if I have a package of 470 beads and the package costs \$8.90 how much is each individual bead?

178. ## chemistry

describe how you prepare a 250cm3 of 0.5M solution Na2C03.indicate the variouse laboratory apparatus you will use

179. ## SS

Humans migrated to the following areas in which order? a:1,2,4 and 5 b:1 and 3,6,2 c:3,1 and 4,5 d:3,6,1 and 2 Here is the map: imgur. com/a/AuOMb just make sure to remove the space between the . and the com

180. ## math

What is the y-coordinate of the solution of the system of equations? y=2x+14 −4x−y=4 Enter your answer in the box. y = ?

181. ## chemistry

If 25.4 g of water initially at 20.0 C absorbs 115 cal heat what is final temp?