# Questions Asked onApril 2, 2020

1. ## math

Violeta wants to install new tiling in her kitchen. She places two triangular tiles together as shown in the following figure. In order to plan her installation, she needs to find the length of BC . A_____________D The rectangle has a diagnol line in the

2. ## US History

Here is 10 questions that I would like someone to double check for me. Civil Rights and the Vietnam War Unit Test 1. Drag each description to the correct form of segregation. Intimidation and violence toward different races was common; Student Nonviolent

3. ## science

For a 1.00 m (100 cm) crumple zone, how much deformation do you think is needed in order to keep the passenger the safest?

4. ## Calculus, math

Consider the function below. (If an answer does not exist, enter DNE.) f(x) = e^arctan(7x) I did the problem but I have mistakes on some items. I think the ff. are right: Vertical Asymptote: x = DNE Horizontal Asymptote: y = e^-(pi/2), e^(pi/2) Interval

5. ## Calculus

Suppose the functions f and g and their derivatives have the following values at x = 1 and x = 2. Let h(x) = f(g(x)). Evaluate h′(1).

6. ## Algebra

A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation y = -0.04x^2+5.8x+4.9, where x is the horizontal distance, in meters, from the starting point on the roof and y is the height, in meters, of

7. ## Math

x and y are points on the earth's surface at opposite ends of a diameter through the centre of the Earth. (a) If the longitude of x is 19 degrees East, what is the longitude of y? (b) If the latitude of x is 52 degrees North, what is the latitude of y?

8. ## Maths

Explain what you've used and why? There are a large number of students in Luttley College. 60% of the students are boys. Students can choose exactly one of Games, Drama or Music on Friday afternoons. It is found that 75% of the boys choose Games, 10% of

9. ## Physics

A cop cars siren has a frequency of 700Hz. If you are standing on the sidewalk as the cop car approaches you at the speed of 25 m/s, what frequency would you hear? The speed of sound is 340 m/s

10. ## math

four friends shared 1/2 of one carton of orange juice. what fraction of each carton of juice did each friend get?

11. ## science

Read the passage from “Why Leaves Turn Color in the Fall.” Anthocyanin, the pigment that gives apples their red and turns leaves red or red-violet, is produced by sugars that remain in the leaf after the supply of nutrients dwindles. Unlike the

12. ## Chemistry

A critical reaction in the production of energy to do work or drive chemical reactions in biological systems is the hydrolysis of adenosine triphosphate, ATP, to adenosine diphosphate, ADP, as described by the reaction ATP(aq) + H2O(l)-->ADP(aq) +

13. ## Maths

Repost Explain what you've used and why? There are a large number of students in Luttley College. 60% of the students are boys. Students can choose exactly one of Games, Drama or Music on Friday afternoons. It is found that 75% of the boys choose Games,

14. ## social studies

Compare the GDP of Kenya, Nigeria and South Africa? Suggest two reasons for the differences between the GDP of the countries

15. ## Math

Trish wants to put a fence around her square garden. The area of the garden is 81 ft². How many feet of fencing does she need?

16. ## Chemistry

count and list the new bonds formed in Hydrazine burn in oxygen

17. ## History

1) What was the purpose of the Treaty of Tordesillas? How did other countries respond when Portugal built a global empire? Select 3 events that led to the Spanish conquest of the Aztec Empire. Led to Spanish conquest of the Aztec Empire Caribbean colonies

18. ## Chemistry

Which reactions have a positive ΔSrxn? A(g)+2B(g)⟶2C(g) A(s)+2B(g)⟶C(g) 2A(g)+B(g)⟶4C(g) 2A(g)+B(s)⟶3C(g)

19. ## MATH

a women spent 1 over 3 of her money at market 1 over 4 at the chemist 1 over 6 at electrical shop and had #555 left how much did she hare to start with

20. ## math

If r = 8 units and h = 6 units, what is the volume of the cylinder shown above? Use 3.14 for .

21. ## English

What is the definition of metaphor? a comparison between two things that are similar; for example, "A grapefruit is larger than an orange" language that uses an object to represent an idea; for example, a flying bird represents freedom language that states

22. ## Math

From a committee of 6 girls and 4 boys, a name is selected. Then another name is selected. What is the probability that both people drawn will be girls? A. nine over twenty-five B. two-fifteenths C. three-fifths D. one-third I've tried multiplying

23. ## Math

I am taking the Using Tables, Rules, and Graphs quiz part 2, and I dont understand these two problems. 1. Use the function rule to complete the table: -10x+y=y Above it shows a graph, with x and y marked, then along the top it goes -2, -1, 0, 1, 2 I don't

24. ## English

What is the definition of rhyming couplet? when the word at the end of a line in a poem rhymes with the ending word of the previous line when one word rhymes with another word in a poem two times when a line in a poem begins and ends with the same word

25. ## Chemistry

What volume of 0.5 BaCl2 are needed to have 0.1moles of BaCl2

26. ## Algebra

The function y = 15(x – 2) + 45 can be used to determine the total amount of money spent on a gym membership for x months. What is the rate of change of the total amount spent in dollars with respect to the number of months of gym membership?

27. ## Math

A tile installer has selected four different size square tiles to cover a floor. The areas of the tiles are Tile A = 9 in.², Tile B = 25 in.², Tile C = 34 in.², and Tile D = 76 in.². For which tiles are the lengths of the sides rational?

28. ## Math

Jeff is a real estate agent he earns 3% commission on his sales if he sells a house for 390,000 How much commission will he make

29. ## Calculus

Suppose f '' is continuous on (−∞, ∞). (a) If f '(1) = 0 and f ''(1) = −1, what can you say about f ? 1)At x = 1, f has a local maximum. 2)At x = 1, f has a local minimum. 3)At x = 1, f has neither a maximum nor a minimum. 4)More information is

30. ## PreCalculus

Find all solutions to the given trigonometric equation in the interval 0, 2𝜋 : sin2x=cos2xsinx

31. ## Physics

For an object in uniform circular motion, on what parameters does the experimental determination of the centripetal force depend when using F = ma?

32. ## Math

Given rectangular prism A is similar to rectangular prism B and the volume of A is 125 ft3 and the volume of B is 27 ft3. What is the ratio of the surface areas for A:B? A. 3 : 5 B. 5 : 3 C. 25 : 9 D. 125. 27

33. ## Pre-Calculus

Find all solutions to the given trigonometric equation in the interval 0, 2𝜋 : sin2x=cos2xsinx

34. ## sociology

The sociologist who conducted extensive research on varying rates of suicide within a specific country and among different countries was Wright Mills. Karl Marx. Emile Durkheim. Talcott Parsons.

35. ## Algebra

What method(s) would you choose to solve the equation? Explain your reasoning. 4x^2-48=0 a. Quadratic formula, graphing; the equation cannot be factored easily since the numbers are large. Selected:b. Square roots; there is no x-term. c. Factoring; the

36. ## History

Why did sugar plantations produce such high profits

37. ## Math

A package shaped like a cube has an edge that is 28 cm long

38. ## Geometry

Draw the image of the translation of MNOP given by the translation rule (x, y) → (x + 3, y − 2).

39. ## precalculus

Recall that a Mobius transformation f has an equation of the form f(z)=(az+b)/(cz+d) where a, b, c, and d are complex numbers. Suppose that f is a Mobius transformation such that f(1)=i, f(i)=-1, and f(-1)=1. Find the value of f(-i).

40. ## Physics

The figure below shows very long current-carrying wires. Using the coordinate system indicated (with the z axis out of the page), state the direction of the magnetic field at point P in each case. www.webassign.net/katzpse1/30-p-009.png

41. ## physics

A marble with speed 14 cm/s rolls off the edge of a table 75 cm high. How long does it take to drop to the floor? How far, horizontally, from the table edge does the marble strike the floor?

42. ## english

i need help finding the message, and what literary devices or elements were used to demonstrate this message. im writing a poetry explication. jerrod wasn’t planned love kept him growing in my womb my g.e.d. r.n. was for him i gave him things i never had

43. ## maths

A village water tank is in the form of a frustrum of a cone of height 3.2 cm.The top and bottom radii are 18cm and 24cm respectively.Calculate:The surface area of the tank

44. ## trigonometry

Find the exact value of cos(2θ)and sin(2θ) if tan(θ) = (-5/12) and 270° < θ < 360

45. ## Algebra

r/8 - p-2/2 Solution and why someone would get the working out incorrect

46. ## biology

Chemistry Calculate the mass of silver deposited when a current of 2.6A is passed through a solution of a silver salt for 70minutes. (Ag=108;1faraday=96500C)

47. ## Physics

A cylindrical resistor has a resistance of 217 Ohms. What is the resistance (in Ohms) if the length is increased by a factor of 2.7 ?

48. ## Physics

A cylindrical resistor has a resistance of 262 Ohms. What is the resistance (in Ohms) if the radius is increased by a factor of 5.80 ?

49. ## Physics

A bullet is fired at 660m/s and strikes a target 200m away. How long has it taken to hit the target.

50. ## Physics

A spring of force constant 1500n/m is acted upon by a constant force of 75n.calculate the potential energy stored in the spring.

51. ## English

Essay on morning walk: blessings or curse

52. ## Physics

A 0.33 kg pendulum bob is attached to a 1.2 m string. What is the change in the gravitational potential energy of the system as the bob swings

53. ## Physics

a 15kg wagon Is pulled to the right with a force of 45 newtons. The wagon accelerates at 2 m/s^2 what is the magnitude of the frictional force acting on the wagon

54. ## science

what happens when two forces act in the same direction

55. ## science

what is the force that results from a 3000 kg car accelerating at 20 meters per second squared

56. ## Physics

A 10 kg box is pushed across horizontally to the right with 60N of force. The box accelerates to the right at 2 m/s^2 what is the coefficient of friction

57. ## Physics

a ball rolls up a incline with a initial velocity of 15 m/s, the ball comes to rest on the incline after rolling for 4 seconds a - what is the acceleration of the ball b - what is the ball's speed at the end of 5 seconds c - how far up the incline does the

58. ## History

Zhou rulers claimed that the

59. ## Maths

v=u+ at u=2 a=-5 t=1/2 Work out the value of v Hi im really confused about this question please can someone help me. Thanks x

60. ## Physical science

In an acidic solution A. concentration of OH– > concentration of H+. B. concentration of OH– < concentration of H+. C. concentration of OH– = concentration of H+. D. concentration of H+ < concentration of OH–.

61. ## Physics

You blow across the top of an open straw to produce a musical note. Then you cut the straw in half, close the bottom end, and blow across the top again. How does the pitch of the new note compare to the original note?

62. ## Pre-Calculus

Verify the following identity: (sin2x)/sin - (cos2x)/cosx=secx

63. ## math

Solve the equation 5b = 25

64. ## Language arts

What is the definition of setting? the location and time period of a story the problem that needs to be solved in a story the mood of a story>>> the beginning of a story Am I right

65. ## Physics

It is found necessary to apply an effort of 500N through a distance of 5m in order to raise a mass of 200kg through a height of 1m calculate the mechanical advantage and the efficiency.

66. ## Math

What is the volume of the rectangular prism? it is 10.4 mm in width, 5 mm in length, and 8 mm in height

67. ## Science

Water and glass with refractive index of 1.5 are interface. If the incident ray from the water makes an angle of 60 degree with the normal find the direction of the reflected and refracted ray Take refractive index of water to 1.33

68. ## Arithmetic

how to add 7 to 8 minus 3.

69. ## English

Is some dog’s tails are long and thin. Linking verb or action verb

p-18=3 p=

71. ## English

What is the definition of imagery? words used in a way that causes the reader to read at a certain pace words used in a way that makes readers change their opinions words that are used in a way that creates pictures in a reader's head** words that are used

73. ## English

What is the definition of narrative poem? a poem that tells a story a poem that tells how someone feels**** a poem that is told with words that rhyme at the ends of lines a poem that is told by a speaker

74. ## Algebra

Can someone check my answer? Also show you work so I know you didn't choose a random answer. I Pick C for the following problem: Since opening night, attendance at Play A has increased steadily, while attendance at Play B first rose and then fell.

75. ## math

Find the missing length. Round your answer to the nearest tenth. *

76. ## Math

Solve the equation c/4 - 5 = 4 I think c is 36. 36 divided by 4 is 9. 9 minus 5 equals 4. Am I correct! Thanks very much!

77. ## Algebra

Of 20 test​ scores, seven are less than or equal to 81. What is the percentile rank of a test score of 81​?

78. ## Algebra

A pollster conducts a survey by phone. The probability that a call does not result in a person taking this survey is 85​%. What is the probability that the pollster makes 4 calls and none result in a person taking the​ survey?

79. ## English

What is the definition of plot? the beginning, middle, and end of a story the outcome of a story the solution to the main problem in a story>>>> the characters and places in a story

80. ## math

Brad takes the bus to work. When he gets off at the bus station, on the ground level, he has to take the elevator down 3 floors and then take another elevator up 16 floors to his office. What is Brad's net gain in floors from where he got off the bus to

81. ## english

Read the sentence. The irritable old man who lives at the end of the street waved a baseball bat as he chased some skateboarders off his driveway. Which words with similar meanings would have a more negative connotation than irritable in the sentence?

82. ## Science

1. Rockets have been used in which of the following areas (choose three of the following) a. warfare b. submarine propulsion c. fireworks d. jet engines e. space exploration

83. ## math

which order pair is a solution of y=x+4 A. 0,0 B. 5,54 c. 7,28 D. 9,13

84. ## Math

What’s 4% of 300

85. ## Algebra

The function y = 125 + 75x can be used to determine the cost in dollars for a painting job of x hours. What is the rate of change of the cost in dollars with respect to the number of hours spent painting? *

86. ## Algebra

Simply the expression 5x^-2 A) 1/5x^2 B) -10x C) 5/x^2 D) 1/25x^2

87. ## math

how do you estimate a range for the sum of 9.6+3.1+5.8

88. ## Calculus

The annual demand q for bottles of wine from a vineyard when the bottles are priced at p dollars each satisfies the equation qe0.04p = 6000. The price is currently \$12 per bottle. Find the rate at which demand changes (with respect to time) if the price

89. ## Math

What is the difference in minutes of median collection times before and after the well was installed?

90. ## Science

Which of the following describes feedback in an oven? A: Setting temperature (this is input) B: Burning gases releases heat (this is output) C: A thermostat monitors the temperature and increases the gas flow when the temperature falls to low**** feedback

91. ## math

Find the cost of lining a topless rectangular tank 4.8 inches long, 12.2 inches wide, and 9 inches deep with zinc, weighing 4.8 pound per square foot, at \$2.83 per pound installed

92. ## Math

Identify the coefficient. Be sure to include the sign. -𝓃 + 8 I chose -𝓃. My answer key says the answer is -1, but I don't understand why.

93. ## Physics

A crate of mass 10 kg is pulled up a rough incline with an initial speed of 1.5 m/s. The pulling force is 100 N, parallel to the incline; which makes an angle of 20o with the horizontal. The coefficient of friction is 0.40, and the crate is pulled 5.0 m.

94. ## Biology

How am I supposed to make a story about how the giraffe evolved its neck but including all 4 types of Natural Selection? The Giraffe got its long neck through needs of food and breeding but I have no idea how to word anything if it has to include all types

95. ## Health

You and James have been out in the sun playing soccer all day. James starts vomiting, is confused, and is not sweating. What type of heat-related illness does he have, and what should your next step be to help him? A. He has heat exhaustion and needs to

96. ## Math

Identify the constant for each expression. 4𝓍𝓎 My answer: 4 or no constant? -𝓃 + 8 My answer: +8 or just 8.

97. ## social studies

How did growing secularism influence European writers during the Renaissance?

98. ## Math

Three sides of a triangle measures 0.5, 0.6, and 0.82 sides of a similar triangle measures two and 3.2 what is the length of the third side?

99. ## science

it’s telling me to identify each layer and describe the three soil horizons and explain the formation and composition of each. can someone give me some websites to help? or some summaries of said websites?

100. ## Math

Victoria renovated a house for \$71,000 if she paid 506,000 for the house what percent of the original cost did she spend renovating the house round to the nearest whole percent

101. ## Physics

One common type of cosmic ray is a proton traveling at close to the speed of light. If the proton is traveling downward, as shown in the figure below, at a speed of 2.03 ✕ 10^7 m/s, what are the magnitude and direction of the magnetic field at point B?

102. ## Geography

A flagpole casts a shadow 27 feet long. At the same time of day, a person standing nearby casts a shadow of 8 feet long. If the person is 6 feet tall, how tall is the flagpole?

103. ## Social studies

Outline two reasons why emotional readiness is necessary for good parenting?

105. ## Math

Marcy bought plane tickets for \$345 if she sees the same ticket on sale for \$405 a week later what percent increase did the airline use

106. ## math

(7.5x10^3) ÷ (1.5x10^4)

107. ## Math

What number makes this equation true? 82- ___ -29=18. I have no idea what the answer is.

108. ## Math

For the given graph of y=f(x), sketch the graph y=1/f(x). clearly show the asymptote(s) with a dotted line and write the coordinates of the invariant points

109. ## Math

Sketch the graph of f(x)=x^2-4 and y=1/f(x) on the grid provided. label the asymptotes, the invariant points and the intercepts of y=1/f(x)

110. ## math

Six Flags Amusement Park has found that 3/5 of its customers ride the Colossus roller coaster. Of these, 1/4 ride it again. What fraction of the customers ride the roller coaster twice?

111. ## History

how did SC benefit from the war

112. ## Geography

This former Soviet Republic still largely depends on its neighbor Russia for most of its trade and business. Roughly 30% of this country's economy is centered on agriculture and manufacturing but is growing in its development of services. No longer is this

113. ## Algebra

A model rocket is launched from a roof into a large field. The path of the rocket can be modeled by the equation y = mc006-1.jpg0.04xmc006-2.jpg+ 5.8x + 4.9, where x is the horizontal distance, in meters, from the starting point on the roof and y is the

114. ## English

What is the subject and verb of this sentence? "The dedication of professors to multiculturalism is crucial to encouraging students of all races to succeed"

115. ## math

A hiker is climbing at a constant rate of 2.4 miles per hour. Part A If d represents the distance the hiker climbed and h represents the time in hours, write an equation to model the relationship. Explain your answer. Complete the table by determining the

116. ## Physics

A straight conductor between points O and P has a mass of 0.54 kg and a length of 1.5 m and carries a current of 12 A (see figure below). It is hinged at O and is placed in a plane perpendicular to a magnetic field of 3.4 T. If the conductor begins from

117. ## Physics

A(n) 19 g object moving to the right at 39 cm/s overtakes and collides elastically with a 36 g object moving in the same direction at 19 cm/s. Find the velocity of faster object after the collision. Answer in units of cm/s. (I know this is a lot similar to

118. ## Math

Three more than six times a number equals -15 what is the number

119. ## Math

If 2 pounds of almonds are \$8.20 and 5 pounds cost \$19.75 is the cost of almonds proportional to the weight

120. ## Math

If14 less than the square of a number is 182 what is the number

121. ## Math

2X to the third power minus 3X to the second power plus 9X X=-8

122. ## Math

Arman needs a new suit he has a 25% off coupon that will be applied before a tax of 7.5% it is applied to his total how much will he end up paying for a \$325 suit