# Questions Asked onOctober 17, 2018

1. ## math

a student baby sitting for \$5 per hour writes the expression 5n to represent the money he makes for n hours. Another student writes 3n +15 to represent the amount in dollars. what is the second students hourly rate? what does the number 15 represents?

2. ## Maths

A factory sells shoes at \$60 a pair. For 10 pairs of shoes there is a discount, whereby each pair costs \$58. For 20 pairs the cost is \$56 a pair and so on. Find the price of each pair of shoes on an order of 100 pairs of shoes and the total price on an

3. ## math

Collin is 35 years younger than Molly. 8 years ago, Molly's age was 2 times Collin's age. How old is Collin now?

4. ## Physics

A box which has a mass of 90.8kg is at rest on a rough horizontal floor, A man pushes on the box with a horizontal force of 376N. As soon as the box begins to move a friction force of 214N acts on the box from the floor. If the man stops pushing the box at

5. ## Calculus

I need help with solving two system of equations using the echelon method.

6. ## Physics

A car which has a mass of 1.36 tonnes is travelling at 26.8m/s on a level road when the driver brings the car to an emergency stop using only the brakes. A time interval of 4.18s is required to bring the car to a stop. Calculate the braking force acting on

7. ## Psychological Statistics

TRUE OR FALSE. The Pearson correlation between X1 and Y is r = 0.50. When a second variable, X2, is added to the regression equation, we obtain R2 = 0.60. Adding the second variable increases the variability that is predicted by the regression equation for

8. ## Physics

A runner follows a straight line path. He reaches the 100m mark with a velocity of 2.29m/s, then slows down steadily (-0.0700m/s^2) until he reaches a velocity of (0.50m/s). What is the displacement of the runner?

9. ## Physics

A ball is dropped from the top of a building which is 39.2m above the level of the sidewalk. How long does it take for the ball to reach the sidewalk?

10. ## Chemistry

What volume, in milliliters, of a stock solution of 2.55 M NaOH would you have to use to prepare 1.00 L of a 0.500 M NaOH?

11. ## math

Visitor Numbers Total visitors: 2004. 2005. 2006 3,135,727. 3,164,906. 3,281,435 Total visitor days: 2004. 2005. 2006 7,453,465. 7,518,997. 7,784,044 Total visitors have increased by 4.6% and total visitor days by 4.4% in this period. Group tour visitors

12. ## math

U2 is an Irish band that has been popular for over three decades. The lengths of 80 of their songs were selected at random and are listed in the table below. Lengths of Randomly Selected U2 Songs. ? (seconds) 382 222 214 338 310 559 334 225 177 189 278 300

13. ## English

What is a subordinating conjunction and clause?

14. ## Psychology

Surveys on job satisfaction reveal that well over this percentage of American workers are

15. ## Social Studies

Which of the following is an example of how enslaved Africans tried to preserve their culture? A.They converted to Christianity. B.They introduced African musical instruments to the Americas.**** C.They established a new Asante kingdom. D.They adopted

16. ## Social Studies

“Do not put such unlimited power into the hands of the husbands. Remember, all men would be tyrants if they could. If particular care and attention is not paid to the ladies, we are determined to foment a rebellion, and will not hold ourselves bound by

17. ## Social Studies

The Continental Army gained a knowledge of professional tactics and drill from a Prussian military mercenary, ______________________ a Major General Charles Lee b General George Washington c Baron Friedrich Wilhelm von Steuben d Marquis de Lafayette

18. ## Social Studies

Picked by George Washington, was the first Chief Justice. John Jay Aaron Burr James Madison Thomas Jefferson ^^^^^

19. ## Physics

A sled is at rest on a horizontal field. The sled has a mass of 21.6kg. A man exerts a horizontal force of 49.7N on the sled. As soon as the sled starts to move, a friction force of 13.8N acts on the sled. a. What is the acceleration of the sled while the

20. ## Physics

A box which has a mass of 90.8kg is at rest on a rough horizontal floor, A man pushes on the box with a horizontal force of 376N. As soon as the box begins to move a friction force of 214N acts on the box from the floor. a. What is the acceleration of the

21. ## Math

Stella saved \$81. Her sister saved \$9. Stella saved--------times as much as her sister. My answer is \$72 is this right

22. ## Math

Find the unit rate. Show all work for full credit. \$36 for 4 quarts of honey. Can this have a unit rate, what is it, and how do I find it?

23. ## Algebra

Number of representatives is 80 less than five times the number of senators. There are a total of 520 members

24. ## world history

How did the Fertile Crescent's location help with the development of the Hebrew civilization? i on even know it

25. ## math

Which of the following is a solution to the equation y = 3x – 1?

26. ## Biology

Conservationists establish that the minimal viable population of a population of tigers in an extensive geographical area is 16. The current population of tigers is 10. What is likely to happen to the population of tigers? A. Tigers from adjoining

27. ## Math

What is the area of a rectangle that has side lengths of 2/5 foot and 3/8 foot? Would I just multiply 2/5 x 3/8=6/40? Is 6/40 the correct answer?

28. ## Social Studies

In North Africa, overgrazing has contributed to which environmental challenge? A. Deforestation B. Desertification C. Lack of clean water D. Climate change Use the drop down menu to complete the sentence. Tense relations between the Hausa people and the

29. ## Texas history

Which of the following best described the Spanish legacy in texas?

30. ## Math

Write a fraction that is equal to 5. Would the correct answer be 5/1?

31. ## Physics

The maximum velocity and acceleration of a particle executing SHM about its equilibrium position are 4.0m/s and 64.0m/ss respectively. If the acceleration of the particle is -64.0m/ss at t=0. Write an expression for the velocity of the particle as a

33. ## math

Byron wants to use the distributive property to rewrite the addition problem shown so that the numbers left in the parentheses have no common factor except 1. (48 + 36) Which is an equivalent expression that has numbers in the parentheses whose only common

34. ## History

What was the significance of the Boston Massacre? A. It marked the start of the American Revolution. B. It increased tensions between American colonists and England. C. It brought a temporary end to colonial protests. D. It led England to close the port of

35. ## English

Hi can you plz help me with a couple of questions? which of these is a example of direct characterization A) The brave young woman raised her hand B)the fire fighter leaped over the flame C) Michael shielded his sister D) Garret Watched the fight Q2 which

36. ## English

Identify the compound subject for questions 5–6. Remember that and and or are not considered part of the subject. Both the wind and the waves were impressive.

37. ## science

ms. janick's class wants to measure how quickly water evaporates. they measure the level of some water in a glass for 4 days and record the levels. which graph shows that the water evaporated over time?

What are some large-scale economic shifts that have created our present service economy? What are some more recent developments that have given rise to our business environment? How would you characterize the most important elements of customer service in

39. ## math

what is the ratio of the measures of side bc to side Rs in simplest form similar figures

40. ## Math

Square root of 15y to the power of 3

41. ## Math

How many litres of 30percent alcohol solution must be mixed with 30litre of a90percent solution to get a 80percent solution?

42. ## English

(1) Sale looked at the map one more time. (2) She knew that the whole troop was depending on her. (3) Sal couldn't decide if the trial was to the east or to the west. (4) The map was confusing. (5) Sal was tired. (6) She needed to make a decision. 1. Which

43. ## Language

A cat cornered a mouse in a barn and was about to eat it. “Save me!” the mouse cried. “And someday I may save you!” The cat was haughty. “How can a tiny mouse ever save a cat?” she asked. “I may be tiny,” the mouse answered, “but I have

44. ## Math

Can someone please tell me what "Factor the expression" means please. I don't know what it is and can someone give me an example also?

45. ## English

The five senses enable us "to interact" with our world. a. prepositional*** b. participial c. gerund d. infinitive

46. ## Math

For each situation first write and equation in the form of y=mx + b. Then solve each problem. A farm has 75 acres of wheat. The farmer can harvest the wheat from 12 acres per day. In how many days will all of the fields be harvested? y=12x + 75 74/12=6.25

47. ## Math

The volume of a cube is 8000 cubic feet, what is the area of its faces A 40 square feet B 80 square feet C 200 square feet D 400 square feet

48. ## english

what are the themes for the king of the mazy may give 3 of them please read the short story not the long one

49. ## Math

Simplify the expression and SHOW YOUR WORK, please. 10h+6-5h+3 I have no clue how to do this

50. ## Science

3. Which of the following is not true about the structure of the alveoli A. It has thick walls to trap gasses that enter during breathing. B. It has many capillaries running through it's structure. C. It has high surface area to allow lots of gas exchange.

51. ## Math

A contractor's crew can frame 3 houses in a week. How long will it take them to frame 54 houses if they frame the same number each week? I have to write the equation in the form of y=mx+b Would it be: y=3x+54 y=18

52. ## Math

A sum of money burrowed at a particular rate of interest amounts to Rs 8320 in 2 years and Rs 9685 in 3 and a half years. Find the sum burrowed.

53. ## calculus

1.is the function f(X)=4-7x^5 a polynomial function? if so state its degree and leading coefficient. 6.use the remainder theorem to determine if x-2 is a factor of the polynomial f(x)=3x^5-7x^3-11x^2+2

54. ## geography

for the motion why should boys not help in the kitchen

55. ## Science

Tom is marketing the locations of the world map. Explain how the locations of the volcanoes are related to the Earth's plates. Please help me the best way you can as possible. Thank you!

56. ## English

Just checking some of my answers, read the story like a million times and still felt a little unsure about these lol. 6. In the Call of the Wild, Mercedes wanted to pack the amenities of a Pullman. What does this mean? A. She wanted to bring all the

57. ## physic

two force acting at right angle to each other and have a resultant of 98n calculate the magnitude of the force if one of tham make and angle 60 with the resultant

58. ## Math

Factor the expression 20k+50 I have no clue how to do this

59. ## math

6.use the remainder theorem to determine if x-2 is a factor of the polynomial f(x)=3x^5-7x^3-11x^2+2 please help...

60. ## math

10.find all the zeroes of the polynomial function f(x)=x3-5x2+6x-30.if you use synthetic division show all three lines of numbers

61. ## geometry

Find the value of x

62. ## Math

How do I find the reciprocal of two numbers? If I have two fractions to choose from, how do I choose one as the reciprocal? Ex; 1/3 divided by 5/6. How do I choose one as the reciprocal?

63. ## Algebra 1

The first term of an arithmetic sequence is 5. The eleventh term is 125. What is the common difference of the arithmetic sequence?

64. ## math

Ray BD bisects ∠ABC so that m∠DBC = (x + 6)° and m∠ABD = (2x – 12)°. What is x?

65. ## music

A minor scale is usually said to create what type of mood?

66. ## Physics

Calculate the magnitude of each force acting on the sleigh. The friction force has a magnitude of 4000N. The sleigh has a mass of 200kg. The people and their luggage have a mass of 300kg. The harness makes a 20-degree angle with the horizontal. Assume the

67. ## physics

a body i under the action of two forces 7N and 10N find the resultant of the two forces if the forces are parallel and act in thesame direction

68. ## math

what is 34 less than k

69. ## World History

What stopped the advance of the North Korean army on August 4, 1950? General MacArthur landed in the Bay of Inchon to push back North Korean troops. American forces pushed North Korean troops north of the Yalu River. United Nation forces defeated the North

70. ## English

And yet, Linenger recovered quickly. in fact, almost two dozen astronauts have lived in space for more than six months, and four have stayed in orbit for more than a year. These men and women faced the discomfort of weightlessness and overcame them and

asked by Any one . plz check these!! Thanks
71. ## History

Which statement about the slave trade is true? 1. European traders often went to Africa’s interior on slave raids 2. Some African leaders, such as Afonso, tried to end the slave trade, while others encouraged it*** 3. The slave trade had minimal effect

72. ## physics

find by drawing and by calculation the resultant of two vector 3 unit and 4 unit inclined to each other at [a]30 [b]90 [c]120

73. ## science

How much volume does it take to fill up a box with ice

74. ## physics

A train at station P accelerate uniformly from rest until it attain a speed of 100 k/h. It then continues at the speed for some time and decelerate uniformly until it comes to a stop at a station, Q 60 km from P. The total time taken for the journey is an

75. ## geography

how was life different for poor romans and wealthy romans

76. ## math

explain how to add rational expressions

77. ## English

Is this sentence correct? I feel like "convincing of others" sounds wrong. How can I say this sentence in a better way. In the essay "Organ Sales Will Save Lives" Joanna Mackay was easily convincing of others to agree with her position, which I thought was

78. ## Science

The African plate is moving toward the Eurasian plate at a rate of a few centimeters per year. How will this sea change in 100 million years in your answer, consider how continents will change and how the mediterranean sea will change. I need help. Can you

79. ## social studies

how can I pull up my social studies grade rapidly/// connections academy student

80. ## geography

what is the main reason that rome was built on hills

81. ## physics

a rope attarched to a sledge make an angle of 40 degree with the ground calculate the tension in the rope required to produce a horizontal component of 100N what will be the vertical component of this forces?

82. ## physics

resolution of a vector

83. ## physics

a force 150N is inclined at 50 to the horizontal direction find it component in the horizontal and vertical directions

84. ## Career guidance

Am I Gonna Be Able To Study For Being Psychologist Or A Social Worker With The Subjects I Chose At School ??? I'm from Holy Family Secondary

85. ## Math

what is 0.000750 in scientific notation? a.75 x 10^-4 b. 7.5 x 10^-3 c.7.5 x 10^-4 d. 7.5 x 10^-5 what is 27/6 written as a decimal? a 4.2 b 4.3 c 4.4 d 4.5 what is 8.57 x 10^-4 in standard form? a.85000 b. 0.00857 c. 8570000 d. 0.000857 which of the

86. ## Math

A squirrel jumps into the air with a velocity of 7 m/s at an angle of 20°. What is the maximum height reached by the squirrel? I have my answer as 29.2 Am I right?

87. ## physic

a swimmer is capable of swimming at 1.4ms in still water how far downstream will he land if he sweams directy across a 180M wide river

88. ## geography

why did romans include concepts like separation of powers and checks and balances into their government

89. ## Math

Are 12/20 and 22/30 equivalent fractions? I forgot the whole topic of fractions.

90. ## Language Arts

Which sentence from the excerpt show the conflict in "The Wounded Wolf" has been resolved? A: The grizzly hears the eager fox and rises on his flat hind feet *** B: The ravens move in closer C: "Roko here," he barks out strongly D: Only yards from the

91. ## French 2

Make a list of four animals that live on a farm. Make a list of four animals that do not like on a farm. Make a logical comparison in French using these words \l'ours /l' elephant / grand Write one comparative sentence based on this information. Le

92. ## Math

It takes 45 minutes or of an hour to cook a chicken. How many fourths of an hour is that? A. 1 B. 2 C. 3 D. 4 I think its B

93. ## English

Which of the following sentences contains a misplaced modifier? We saw a graceful willow tree strolling around the lake. a. We saw b.saw a graceful c. willow tree d. strolling around the lake***** Which of the following sentences contains a misplaced

94. ## Music

Please help me understand this. What is the quality of the triad if the interval between the root and third is m3 and the interval between the third and fifth is M3? A. major B. minor C. augmented D. diminished*** Which term is the name for the lowest note

95. ## Math

1. On the middle school football team, 20 out of 32 players are eighth graders. What are two equivalent fractions for the fraction of the football team that are eighth graders? 1. 10/16, 4/8 2. 16/10, 8/5 3. 10/16, 5/8 *** 4. 10/16, 4/5 2. Janet’s recipe

96. ## PHYSIC

A body accelerate uniformly from rest at 2ms-2 .calculate it,s velocity after travelling 9m

97. ## Chemistry

Seawater contains approximately 3.5%NaCl by mass and has a density of 1.02 g/mL. What volume of seawater contains 9.0 g of sodium?

98. ## Math

A bag contains twice as many pennies as nickels and four more dimes than quarters. Find all possibilities for the number of each coin if their total value is \$2.01. I have pennies = 4n nickels = n dimes = 4 + q quarters = q but I don't know where to go

99. ## Math

Jim's lawn is a rectangle that is 15 5/6 yards long and 10 2/5 yards wide. Jim buys sod in pieces that are 1 1/3 yards long and 1 1/3 yards wide. How many pieces of sod will Jim need to buy to cover his lawn with sod?

100. ## PHYSIC

A train has an initial velocity of 44m/s-2 and acceleration of 4m/s-2 velocity after 10s is

101. ## U.S history

1. How are equality of social and economic conditions and economic opportunities connected in Tocqueville's text? 2. According to Tocqueville, why did an elite aristocracy never take root in the United States? help would be highly appreciated as i do not

102. ## biology

1. The following shows a food web that was present on the Channel Islands 200 years ago. From the information presented in the article, sketch the following animals into this food web to show how the food web might look today: feral pigs, golden eagles.

103. ## physics

The headlamp of a car takes a current of 0.4A from a 12V supply. The energy produced in 5Minute is ?

104. ## history

Alarmed by the building of a French fort in the Ohio River Valley, Fort Duquesne, the British sent a young Virginian, ____________, to treat with the French. Paul Revere Thomas Gage George Washington Thomas Jefferson C or D?

105. ## history

What led to the Scramble for Africa? Multiple European powers wanted African territory to create new ports along Asian trade routes. European imperial governments sought revenge for the Umayyad invasion of Spain. Colonial powers in Europe scoured Africa in

y = x2 + 2

107. ## Speech

When telling a story or joke it is imparitive that you a. have slides b. make sure that the spotlight is on you c. have a message point that is being brought to life i think it's c

108. ## Speech

The most important element of telling a story to flesh your point to the audience is the use of a. dialogue b. humor c. statistics d. interesting slides i think its either a or b

109. ## English

Standing near the window, Joshua viewed the moving vans pull up next door. He couldn’t wait to meet his neighbors. Joshua saw a boy his own age hop out of the truck. Walking outside, Joshua waved to his new neighbors. Joshua boldly walked up to the young

110. ## Social Studies

Which demonstrates how the Anasazi adapted to their hot, dry environment? A. The Anasazi moved south where more water was available. B. The Anasazi hunted bison for food and clothing. C. The Anasazi built permanent dwellings in the side of cliffs. D. The

111. ## math

How to rearrange an equation by using A=2pirh?

112. ## math

an isosceles triangle has perimeter of 15m. Find all integral possibilities for the lengths of the side in meters. Hint: the sum of the lengths of any two sides of a triangle must exceed the third side.

113. ## History

What policies led to the Boxer Rebellion? (Select all that apply.) Japanese and European spheres of influence gave foreigners special privileges. Chinese rulers resisted European attempts to introduce an industrial economy. Europeans refused to purchase

114. ## Maths

2/3 of a tank contains 112litres of water. What will the it contain when it is 3/4 full?

115. ## ss

Which of the following texts contains commentaries on the teachings of Moses?

116. ## math

4.56*3.6/0.12 express in standard form show working

117. ## math

A box contains 8 red marbles, 8 green marbles, and 10 black marbles. A sample of 12 marbles is to be picked from the box. How many samples contain exactly 7 red marbles or exactly 6 green marbles? The answer key sets it up as (8 nCr 7)*(18 nCr 5)+(8 nCr

118. ## History

What event led Great Britain to concentrate its full efforts on fighting the War of 1812? the Chesapeake affair the defeat of General Cornwallis passage of the Non-Intercourse Act the capture of Napoleon im p sure it is a or d

119. ## S.S

How did the role of the church in education change over time? Universities changed from being independent to being part of the church. Priests became the only teachers at universities. Schools began to provide education beyond religious instruction. The

120. ## history

What was the significance of the Battle of Queenston? It allowed for the United States to occupy territory in Canada. It was the final battle of the War of 1812, and it led to the Treaty of Ghent. It allowed the British to conquer Fort Niagara, a strategic

121. ## Spanish

Yo____ mucha agua. (beber) Turn the verb in parenthesis into it's correct present tense. User correct accents (If needed) How do I do this?

122. ## Science

1. Polar Easterlies in the Northern Hemisphere blow from east to west*** west to east north to south south to north 2. Westerlies in the Northern Hemisphere blow from east to west west to east*** north to south south to north 3. Trade Winds in the Northern

123. ## Spanish

Directions: Complete the sentence with the correct form of the definite article**. Not all sentences require an article.If no article is required then write "None needed" 1. Tengo __ libro y __ pluma. 2. __ leche es buena para__salud. 3. ¿Por qué están

124. ## math (precalc)

find the derivative of y= (2x^5 -4x^4 + 8x) / (x^2) Here is what I have so far: y^(1) = 6x^2 -8x + 8/x y^(2) = 12 x - 8 + ? How do you find the derivative of 8/x and it must have no negative exponents? thanx

125. ## calculus

Let g(x)=(3x+x^2)(2+e^(x−1)). Find g′(1) So I found the derivative (2x+3)(e^(x−1)+2)+(x^2+3x)e^(x−1) I tried plugging in 1 but I'm getting a different answer..

126. ## physics

A girl is pushing a box with constant velocity through her room. Draw a free body diagram for the box and a-t, v-t, x-t diagrams. No numbers necessary, but the trend.

127. ## physics

Now 3 girls are pushing the box each with the same force. Draw a free body diagram for the box and a-t, v-t, x-t diagrams.

128. ## calculus

Define a function f(x)= {(x^2-9)/(x-3), if x≠3, {c, if x=3 What value of c makes f continuous at x=3? Is the answer 1?

129. ## Math, fractions

Tea Bags of Earl Grey tea weigh 2 grams each, and bags of green tea weigh 3 grams each. A restaurant makes ice tea using 2/5 of the weight from the tea of Earl Grey tea, and 3/5 of green tea. If 180 bags of Earl Grey tea are used, how many bags of green

130. ## Math

An isosceles triangle has a perimeter of 15 m. Find all the integral possibilities for the lengths of the sides in meters. Hint the sum of the lengths of any two sides of a triangle must exceed the third side.

131. ## physics

Use a free body diagram to evaluate the situation. What is the tension in each of the ropes attached to the ceiling if the hanging mass is 0.55 kg? Two ropes are attached to the ceiling carrying the same box. One is tilted at a 30 degree angle and the

132. ## Math

The distance between exit 13 and exit 15 is 6.8 miles farther than the distance between exit 12 and exit 14 The distance between exit 14 and exit 15 is ? Miles

133. ## calculus

Find limx→∞ e^−x = 1/e So would the answer be 0?

134. ## Physics

Four equal masses of 4.0 kg are placed at the vertices of a square of side 8.0 m. Find the force on the mass at the top left vertex.

135. ## Math

Hi, can someone pls give me an idea how to do this? Thanks! Use substitution to solve the following system. L+r+s=20 R=l+3 L+5r+10s=129 I have to solve for all the variables, and am really confused. Any help is greatly appreciated.

136. ## science

is Pluto a planet, if not explain why

137. ## Social Studies

How did the environment influence the cultures of the Northwest and Southwest? please give detailed sentence answer. I do not use your answers I just look at them and then write my own based on the info in your answer. I DO NOT COPY AND PASTE YOUR ANSWER.

138. ## Physics

Many people buy a coffee or other hot beverage on their way to work. For safety, the cup usually has a lid and is placed in a cup holder. Using Newtons first law, explain why both these precautions are necessary.

139. ## Math

The area of a rectangle is 3/5 sqauare meter. The width is 2/5 meter. How many times greater is the length than the width? Write your answer in simplest form