# Questions Asked onFebruary 21, 2017

1. ## Social Studies

1. How did middle class people generally differ from the lower class? a. They lived in urban tenements. b. They moved to the centers of the cities. c. They Had more time for leisure activities. ***** d. They modeled their lives on foreign royalty.

2. ## math

Of the following fractions: 9/19, 5/11, 7/15, and 11/23, which is the largest?

3. ## language arts: plz help

the "dust of snow" the speaker say something "has given my heart/ A change of mood"

4. ## Social studies

What was the main promise Roosevelt made in the 1932 election that helped him win? A He promised to reorganize the economy. B He promised to help the jobless, poor farmers, and the elderly. C He promised to regulate big banks more heavily to prevent

5. ## english

Which words or phrases in this excerpt from Elizabeth Bishop's "The Fish" compare the fish to an old, experienced soldier? A green line, frayed at the end (A) where he broke it, two heavier lines, and a fine black thread still crimped from the strain and

6. ## Algebra/Math/Offical

b min is 200% of

7. ## Algebra

One copy machine can run off copies in 170 minutes. A newer machine can do the same job in 119 minutes. How long does it take the two​ machines, working​ together, to make all of the necessary​ copies?

8. ## chemistry

how many moles of water vapour are formed when 10 liters of butane gas C4H10 is burned in oxygen at stp?

9. ## Chem

At 25°C the following heats of reaction are known: 2C2H2 + 5O2 ---> 4CO2 + 2H2O; ΔH = -2600 kJ C + O2 ---> CO2 ; ΔH = -394 kJ 2H2 + O2 ---> 2H2O; ΔH = -572 kJ At the same temperature, calculate ΔH for the following reaction: 2C + H2 ---> C2H2; ΔH =

10. ## parabolas

If a=​4, then the coordinates of the focus are?

11. ## Maths

The product of the square of a number and the cube of the same number is equal to 32. Find the number

12. ## physics

A 10kg box is attached to a 7kg box which rests on a 30 degrees incline the coeficient of kinetic friction is mk=0.1 between the box and surface find the rate of acceleration of the system

13. ## Math, data management

How many different ten digit telephone numbers contain four 2's, three 3s, and three 7s? I tried sorting the numbers out in order 2 2 2 2 | 3 3 3 | 7 7 7 10!/2!3!7! But I couldn't find the correct solution as the answer was 4200

14. ## Esol

which word is wrong or incorrect ? The salesman recommended that he keeps his receipt for at least a month. 1-recommended-2-keeps-3-receipt-4-at least my answer is keeps.

15. ## Science

What chemical equation would represent methane (CH4) burning in the presence of oxygen gas (O2) to form water and carbon dioxide? (Make sure it's balanced)

16. ## English

Which of the sentences below is an excerpt taken from "In Another Country" by Ernest Hemingway is an example of irony? A. My knee did not bend and the leg dropped straight from the knee to the ankle without a calf, and the machine was to bend the knee and

17. ## Math/velocity

At time t seconds, the center of a bobbing cork is y=4sint centimeters above (or below) water level. What is the velocity of the cork at t = 0, π/2, π

18. ## Social studies

What was the primary goal of the radical republicans reform program? to prevent freed slaves from owning land after the civil war*** to establish under the law for freed African Americans to recognize outstanding military leaders of the confederacy to

19. ## physics

A particle (mass = 5.0 g, charge = 40 mC) moves in a region of space where the electric field is uniform and is given by Ex = -5.5 N/C, Ey = Ez = 0. If the position and velocity of the particle at t = 0 are given by x = y = z = 0 and vx = 50 m/s, vy = vz =

20. ## poetry

what are some similarities and differences between concrete and haiku poetry

21. ## math

what is the correct classification for the triangle shown below

22. ## Chemistry

Write the formula of the corresponding acid that contains this anion. Express your answer as a chemical formula. The arsenite ion has the formula AsO33−.

23. ## Algebra 1

1. Find the slope of a line that passes through (–2, –3), and (1, 1). A. 1/3 B. 1 C. 2 D. 4/3** 2. For the equation –4y = 8x, what is the constant of variation? A. -4 B. -2** C. 1 D. 2 3. What is an equation for the line with slope and y-intercept 9?

24. ## Math

A line segment has one endpoint of A (2, -1) and a slope of 3/4. Find the coordinates of another possible endpoint B.

25. ## CAMBRIDGE

Points P and Q are both in the line segment AB and on the same side of its midpoint. P divides AB in the ratio 2 : 3, and Q divides AB in the ratio 3 : 4. If PQ = 2, then find the length of the line segment AB.

26. ## physics

A ‘moving sidewalk’ in an airport terminal moves at 1 m/s and is 35 m long. If a woman steps on at one end and walks 1.5 m/s relative to the sidewalk, in the same direction as the movement of sidewalk. (a) How much time does it take her to reach the

27. ## Language Arts ?

Which line from Miracles contains an image that primarily appears to the sense of touch

28. ## probability

the probability of winning a carnival game is 15%. Elaine plays 10 times. find the probability that Elaine will win 2 times.

29. ## Esol

which sentences is right? The team want to go to the next game early for tryouts.. The team crowded around its coach to hear the last play..the school board set its reserved blue seats in the rain...the opposing team's coaches used its last timeout third

30. ## Data

You are making a string of coloured balloons as a decoration for the formal. If you have five green, six gold, and four white balloons, in how many ways can you arrange them along the string?

31. ## Calculus (RATE OF CHANGE)

Estimate the instantaneous rate of change at the point indicated. (Round your answer to four decimal places.) y(x) = 1/ x + 2; x = 2

32. ## English

Francis is writing an argumentative essay. Which describes the MOST effective way for him to organize the reasons and evidence clearly? A) Restate the claim, provide final statements, and rephrase your claim. B) Include at least three specific detailed

33. ## Simple interest

Charlotte borrows \$9000 over 5 years to buy a second hand car. The loan must be repaid over 5 years at 12% p.a. simple interest calculate the monthly repayment if the payments are spread equally over the 5 years.

34. ## Algebra

one positive number is 32 less than another number. if the reciprocal of the smaller number is added to five times the reciprocal of the larger number, the sum is 1/6. find the two numbers

35. ## physics

Starting from rest, a student pulls a (34) kg box a distance of (13.50) m across the floor using a (161) N force applied at 35.0 degrees above horizontal. The coefficient of kinetic friction is 0.220 between the floor and the box. Find the work done by the

36. ## art

this chinese painting shows a man seated in a pavilion. what taoist and buddhist philosophy is the artist communicating by placing the man in the wilderness location?

37. ## Math

Which quadrilaterals appear to have 4 sides of equal length

38. ## English

Which BEST identifies and explains the function of the word gardening as it is used in this sentence? Gardening is a pleasant and productive pastime for people of all ages. A) In the selected sentence, the word gardening is a gerund, and the gerund phrase

39. ## Social studies

What was one of the major failures of the New Deal program? A It did not help the poor. B It never reformed the banking system. C It did not end the Great Depression. D The jobs it created did not last. A?

40. ## english

Which of the sentences below is an excerpt taken from "In Another Country" by Ernest Hemingway is an example of irony? A. My knee did not bend and the leg dropped straight from the knee to the ankle without a calf, and the machine was to bend the knee and

41. ## science

if a dentist chair weighs 1600N and is raised by a large piston with a cross sectional area 75.0cm2, what force must be exerted on a small piston of crosssectional area 3.75cm2 to lift the chair

42. ## Biology

number of water molecules produced when 14 amino acids are join to form a polypeptide bond?

43. ## Math

A cellular phone company offers two types of monthly plans. Plan A: 10 cents per minute Plan B: a monthly fee of \$10 plus 7.5 cents/minute Define the appropriate variables and write an equation relating the cost and the numbers of minutes for each plan.

44. ## chemistry

what volume of chlorine is required to produce 25.4grams of copper II chloride at 18 degrees celsius and 2.13 atm

45. ## algebra

How many goats and chickens if there is 13 heads and 30 heads altogether

46. ## Algebra

One angle of a triangle is 2 more than four times as large as the other angle. The third angle is three times the first angle decreased by 6. What is the measure of each angle? x+4x+2+3x-6=180 7x=180+6-2 7x=184 x=26.3 angle 1: 23.3, Angle 2: 107.1, and

47. ## calculus

One litre of water at 0 degrees Celsius will have a different volume at higher temperatures. For a temperature 0 ≤ T ≤ 30 (in Celsius) this volume (in litres) is well approximated by the function V = −aT 3 + bT 2 − cT + 1 using the coefficients a =

48. ## Math

A sixth number will be added to the list. What must it be in order for the mean to be 12? (Use algebraic equation to help)

49. ## Algebra

Tina can weed her vegetable garden completely in 70 minutes. Her friend Marisa can do the same task in 40 minutes. If they work​ together, how long does it take Tina and Marisa to weed the vegetable​ garden?

50. ## Algebra

Joe and Skyler can clean an entire building in 44 hours. Joe can clean the entire building by himself in 66 fewer hours than Skyler can. How long does it take Joe to clean the building by​ himself?

51. ## Algebra

1. The perimeter of a rectangle is 78 cm. The length is 3 greater than twice its width. Find the dimensions.

52. ## English

I need help on these four questions. I was sick from class one day and now I am very confused about what is happening in Romeo and Juliet. Here are the questions in need help with: 15. A foil is a character that highlights, through sharp contrast, another

53. ## English

Pogo Sticks Your great-grandmother may have used a pogo stick as a young girl, because these toys have been around for a long time. They were invented by George B. Hansburg in Germany in 1919, and originally were made of wood. When an American company

54. ## Chemistry

A 0.2638 g impure sodium carbonate sample is analyzied by titrating the sodium carbonate with the 0.1288 M hydrochloride solution requiring 38.27 mL. The reaction is CO3^2- + 2H^+ --> H2O + CO2 Calculate the percent sodium carbonate in the sample.

55. ## English

It was the best of times, it was the worst of times, it was the age of wisdom, it was the age of foolishness, it was the epoch of belief, it was the epoch of incredulity, it was the season of Light, it was the season of Darkness, it was the spring of hope,

56. ## chemistry

If 14.50mL of 0.25M sodium hydroxide reacts completely with 25.0 mL of hydrochloric acid, what is the concentration of the hydrochloric acid?

57. ## Math

A recipe that makes eight servings calls for 2 cups of milk how many cups of milk will be needed for 36 servings

58. ## Physics

An electric heater the temperature of 120g of water in a thin light vessel through 10k in 2 minutes, when placed in 70g of water contained in a metal vessel of mass 0.55kg the temperature rises through 9k in the same time. Calculate from the above The heat

59. ## ELA

Take this kiss upon the brow! And, in parting from you now, Thus much let me avow — You are not wrong, who deem That my days have been a dream; Yet if hope has flown away In a night, or in a day, In a vision, or in none, Is it therefore the less gone?

asked by Help I need somebody not just anybody

I just took an Ed Tech assessment and so could someone check my answers before I turn it in? Thanks!! 1.) What did the STRICT study generally find about the effect of Internet use on sleep? A. Teens who use the Internet and phone after bedtime have a

61. ## Statistics

Researchers recruited 20 volunteers- 8 men and 12 men omen- to take part in an experiment

62. ## social studies

Did the aztecs and america have problems between each other

63. ## history

For a registered political party in a statewide election to gain ballot access, it must do the following except.. - obtain 5 percent of the vote in any statewide election. - voters cannot sign multiple petitions. - collect petition signatures equal to 1

64. ## Biology

We know that variations (differences) within a population are necessary for natural selection to occur. Which of the following is NOT a source of genetic variation? a. Mutations b. Independent assortment c. Crossing over d. Mitosis

65. ## Algebra

Richard takes 35 minutes to mow a lawn, but with the help of his friend Joe it only took him 15 minutes. If Joe worked alone, how long would it take Joe to mow the same lawn?

66. ## Accounting

X has recorded bad debt expense in the past at a rate of 1.5% of accounts receivable, based on an aging analysis. In 2017, X decides to increase its estimate to 2%. If the new rate had been used in prior years, cumulative bad debt expense would have been

67. ## Maths

\$12 000 is invested at 6% p.a. for 42 months. How much interest is earned each year and how much interest is earned after 2 years?

68. ## math

If a hen and a half can lay an egg and a half in a day and a half, then how much time is needed for three hens to lay three eggs?

69. ## math

The Toro Ski club is planning a ski trip for the upcoming long weekend. They have 40 skiers signed up to go, and the ski resort is charging \$120 per person. The resort manager offers to lower the rate per person by \$2 for each additional skier up to a

70. ## value

Concept Of Special Interaction

71. ## science

A car travels 70km on 20 litre of petrol.How far could that car travels on 230 litres of petrol

72. ## Math

2 3/5+1 7/10)-4/5?

73. ## math

If 8/14=4/d, what is the value of d?

74. ## Physics

an object weighing 200 lbs. and suspended by a rope A is pulled asisde by the horizontal rope B and held so that rope A makes an angle of 30 degree with the vertical. find the tensions in rope A and B.

75. ## science

you added 2ml of protein, 3ml of water, and 4ml of dye. how will you prepare blank for the experiment

76. ## Science

What animal is on top of the food chain

77. ## Chemistry

Using the following data, determine the initial rate by calculating the slope of the tangent line at time zero. Time (s). [I2] (mM) 0. 0 20. 0.009 40. 0.017 60. 0.023 80. 0.029 100. 0.034 120. 0.039 140. 0.043 160. 0.046 180. 0.049 I can't figure out how

78. ## Math

I am a multiple of 9 if you divide me by 8 there is 7 remaining

79. ## Esol

in which sentences legal used as adjective ? He is a legal resident of united state-it is legal to wear green on march 7th--he didn’t know that jaywalking was not legal--it’s not legal to jaywalk-find a adjective. my answer = He is a legal resident of

80. ## Science

Do all the stars in the sky move? Explain

81. ## Science

What are constellations?

82. ## Physics

When a mass is hung from a spring stretches it by 15 cm. What is the period of the oscillations of this system?

83. ## biology

you added 3ml stock solution of 0.05mg/ml of dye and 7ml of water, what will be the final concerntration.

84. ## Science

What is a natural satellite?

85. ## math

A woman deposited Tsh 480000 in CRBD which charges an interest of 15% per annum.How much did she get after six months?# anyone to help me plz#

86. ## Algebra

One angle of a triangle is 2 more than four times as large as the other angle. The third angle is three times the first angle decreased by 6. What is the measure of each angle?

87. ## (health) Thx for helping

the hair on your body is able to help you keep healthy in many ways. Your hair(1) protect your scalp from sunlight and provides insulation from the cold. (2) hair from nostrils,ears, and ___ prevents debris from entering the body. A.eyebrows B.eyelashes C.

88. ## History

he State Supreme Court has appellate jurisdiction. Which situation is an example of a case they might hear? A) A politician is accused of stealing funds from a department in the Executive branch. B) A person is believed to have committed murder and needs

89. ## Math

Adam cuts the cake into equal-sized pieces. Each piece has a length of 5 centimeters, a width of 5 centimeters, and a height of 3 centimeters. How many pieces of cake does Adam have? I stated 75, I used the volume equation l x w x h.

90. ## Math

36 is .9% of what number?

91. ## Math

Lisa is running around the circular track x^2+y^2=10000, whose radius is 100 meters, at 4 meters per second. She starts at point (100,0) and runs in the counterclockwise direction. After 30 minutes of running, what are her coordinates?

92. ## Vocabulary

The woman's screeches (screech)brought the neighbours running to her place. Please find to check whether is is correct. Thanks & regards.

93. ## Mathematics

An old table in a furniture store is marked down by 10% from its previous price on five separate occasions. What is the total percentage reduction in price correct to two decimal places

94. ## math

a rectangle is three times ad long as its breadth. if the perimeter of rectangle is 40m, find its length and breadth

95. ## Math

The ordered pairs represent a function (0,-1). (1,0), (2,3), (3,6), and (4,15) a. graph the ordered pairs and describe the pattern. Is the function linear or nonlinear? I said nonlinear. b. Write an equation that represents the function. I don't know what

96. ## physics

A flying-saucer shaped fairground ride is rotating in a horizontal plane. If the rider’s circular path has a radius of 8 m, at how many revolutions per minute the ride should spin in order for the rider to feel a centripetal acceleration of about 1.5

97. ## Calculus

Integrate x^2/(sqrt(x^2-25)dx

98. ## Math

use the remainder theorem to find the remainder when P(x) = x^4-9x^3-5x^2-3x+4 is divided by x + 3 please help me start this problem I have no idea

99. ## Calculus

Integrate sqrt(16+x^2) dx

100. ## Math

An artist transferred a rectangular design 13cm long and 6cm wide to a similar canvas 260cm long and 120cm wide.what is the scale factor

101. ## Math

How many 2 cm cubes can i cut at six 9 cm cubes?

102. ## Differential equation, calculus

Hiya, Dt/dr =k/r^2 Is this directly solvable or do I need to separate variables. I've got t=-k/r+c from the former and something along the lines of r^3=kt+c from the latter. Think I'm doing it all wrong. Thanks

103. ## Math

A peice of ribbon 63cm long to be cut into two peices in ratio 2:5.find the length of each peice ?

104. ## Science

If a nickel is dropped from a building and no air resistance is present,how does the energy of the nickel change?

105. ## math

allison is making a 16 inch necklace. the first 41/4 inches are filled with red beads and 8 3/8 inches are filled with blue beads. how many inches are filled with beads?

106. ## math

s= 1800-140X where the x is the ticket price. expenses are \$750. Write an equation for the income as a function of ticket price same numbers what would the profit be? Thanks

107. ## Math

The letters in the words ALGEBRA, GEOMETRY, and CALCULUS are represented by the sets V= {A, L, G, E, B, R}, W= {G, E, O, M, E, T, R, Y}, and X={C, A, L, U, S}, respectively. I don't understand this can someone help?

108. ## Math

A bicycle that usually sells for \$230 is on sale for 15% off. Find the sale price. Is this correct 230/25=9.2 230-9.2=220.8

109. ## Science

If a nickel is dropped from a building and no air resistance is present,how does the energy of the nickel change?

111. ## Algebra 1

1. Suppose y varies directly with x, and y = 24 when x = 8. What is the value of y when x = 10? A. 10 B. 30** C. 80 D. 240 2. What is an equation in slope-intercept form for the line that passes through the points (1, –3) and (3, 1)? A. y = 3x + 1 B. y =

112. ## Math

Good evening. I posted a math question earlier that I never received any help on because someone posted something inappropriate. My new math problem is as follows: The area of a rectangular piece of a land is 3/16 square miles. If the width of the piece of

113. ## Math

If Emmy bought a rectangular peice of land that was 3 miles long anda 2 miles wide, Fifty percent of they land was farmed. How many square miled COULD be farmed

114. ## Technology

which of the following is NOT an example of malicious code? A Trojan horse B Worm C virus D spy gear i really need help on Technology i think the answer is d

115. ## chemistry

An environmental chemist needs to determine the amount of Fe+2 ions in a simple of polluted water from a rusting industrial plant. one procedure is to analyses the sample by using solution of sodium dochromate, Na2Cr2O7. identify the oxdising agent and the

116. ## Quick Question

how are bolivian bathrooms similar and different to bathrooms in the u.s???

117. ## Calculus

What is y=-18x+13 in standard form?

118. ## Calculus

What is y=-2/7x-1 in standard form?

119. ## Philosophy

3. If the two opposite processes did not balance each other out, everything would eventually be in the same state: for example, if increase did not balance out decrease, everything would keep becoming smaller and smaller (72b). Does the principle about

120. ## Math

Danielle spend 2/5 of her paycheck on bills. Her water bill was 1/6 of what she spent on bills. What part of her paycheck went to her water bill? Is this right? 1/6 x 2/5 = 2/30 = 1/15? Thanks.

121. ## Math

Ricardo has a \$50.00 gift card for an electronics Store. He also has a coupon good for \$10 off his Purchase. Let a represent the amount of merchandise Ricardo can buy from the store using his gift card and coupon. Graph the solution set for a on the number

122. ## Algebra/Math/Offical

a ib is 25% of

123. ## math

A rock is thrown upward with a velocity of 25 meters per second from the top of a 50 meter high cliff, and it misses the cliff on the way back down. When will the rock be 7 meters from the water, below?

124. ## Social studies

What is the most exact location of southwest Asia? A) west of china and east of the United States B) across the Atlantic Ocean C) near Europe and Africa D) between the mediterranean and Arabian seas

125. ## Chemistry

A piece of metal ribbon has a mass of 6g.It has a density of 4g/mL. What is the volume of the ribbon?

126. ## algebra

What would the concentration be if we mixed 200 of 10% sugar solution and 300 of 20% sugar solution ?

127. ## english 101

select your answer? Jf Kennedy was a senator before he --- -- president in 1960. Has elected/was electing/was elected/elected my answer is was elected

128. ## english 101

choose the best word? If they----that the weather was going to be so bad, they wouldn’t have gone to the beach. Were knowing/had known/known/knew my answer is known

129. ## Physics

A wet bar of soap slides freely down a ramp 17.0 m long, inclined at 38.0 degrees. How long (in seconds) does it take to reach the bottom? (Neglect friction.)

130. ## kishore

if 1 is added to the numerator and 3 to the denominator of a fraction it becomes 1/2 if 1 is subtracted from the numenator and 2 is added to the denominator it becomes 2/5 find the fractions

131. ## Algebra

Amelia chose 3 CD's that each cost \$16. The sales tax on the three CD's is \$3.96. Write a direct variation equation relating sales tax to the price.

132. ## world

The shares of a company

133. ## Algebra

The upward velocity, v, of the water in a fountain is 28 more than the product of -32 and t, where t is the number of seconds after the water leaves the fountain. As the water moves upward, its velocity decreases until it reaches the top where the velocity

134. ## Math

May has \$10.she gets \$45 from her mom.How many dollars does she have?How many more dollers does she need to make \$100?

135. ## Science

Are euglena unicellular or multicellular? They are unicellular

136. ## Physics

A cubic block initially at rest slides with a constant acceleration on an inclined plane 10m long in 2s. Calculate the acceleration of the block.

137. ## Math

The upward velocity, v, of the water in a fountain is 28 more than the product of -32 and t, where t is the number of seconds after the water leaves the fountain. As the water moves upward, its velocity decreases until it reaches the top where the velocity

138. ## Chemistry

A 75.0g sample of liquid contains 17.5% by mass of H3PO4 (molar mass = 98.0g/mol). If 215.0mL of Ba(OH)2 is needed to completely neutralize the acid, determine the concentration of the Ba(OH)2 solution used. WITH FULL EXPLANATION PLEASE!

139. ## Math

10 animals 36 legs How many have 2 How many have 4 10X2 =20 36-20 = 16 Is that right?

140. ## Math

A line segment has one endpoint of (-3,2) and an undefined slope. Find the coordinates of another possible endpoint.

141. ## S.s

1. Which is an example of checks and balances? (1 point) The constitution contains a bill of rights that details the basic rights of the state’s citizens. The constitution clearly outlines voting requirements and the qualifications for holding public

142. ## math

The upward velocity, v, of the water in a fountain is 28 more than the product of -32 and t, where t is the number of seconds after the water leaves the fountain. As the water moves upward, its velocity decreases until it reaches the top where the velocity

143. ## chemistry

Confused on how to find the reactants in these two compounds Ba(OH)2 (aq) + I2Zn (aq) -> ?? Additionally, I am not really sure how to find the ionic equation for this.

144. ## Algebra

3.18x+2.6+0.9x+x=28 Find the value of x.

145. ## Chemistry

Describe how to prepare 10 mL of 0.200 acetate buffer, pH 5.00, starting with pure acetic acid and solutions containg 3 M HCl and 3 M NaOH. Include both quantitate and qualitative details. I know that a strong base reacts completely witha weak acid because

146. ## Calculus (RATE OF CHANGE)

Two cars leave a town at the same time and travel at constant speeds along straight roads that meet at an angle of 60° in the town. If one car travels twice as fast as the other and the distance between them increases at the rate of 81 mi/h, how fast is

147. ## math

In the 1870's, on a farm along the Ohio River, a girl was presented with three gifts: a rooster, a goose, and a duck. The duck had cost 20 cents. The rooster and the goose together cost twice as much as the duck. The goose and the duck together cost three

148. ## pre-algebra

I have trouble with world problems and three especially are giving me grief, can anyone verify my answers? First: The length of a yard is triple the length of the garden. Write the expression for the difference between the length of the yard and the length

149. ## Social Studies

How did the British attempt to enforce the writs of assistance? Thank you for the help~

150. ## English

You are assigned to write an essay which must maintain the indicative mood throughout. Which of the choices below would need to be removed or revised? A) Have you ever wished for anything so badly that it hurt not to have it? B) I often walk down the

151. ## Math

A water tank is being filled with water. The volume of water in the water tank varies with time. The tank contains 200 liters of water after 2 minutes. Define appropriate variables, and write an equation relating the volume of water and time. What does the

152. ## Math - Calculus

Directions (or bearings) on Earth are measured in degrees, running from zero to 360 degrees, clockwise, starting with 0 degrees being due North. So due East for example, is 90 degrees, due South 180 degrees, and Northwest is 315 degrees. You are swinging a

153. ## physics

A 22.0 kg box is sliding down on an incline set at (44) degrees up from horizontal. The coefficient of kinetic friction between the box and the incline is (.27). Find the acceleration of the box. Give your answer in m/s2 and with 3 significant figures.

154. ## Algebra

Working​ together, Sarah and Jeff can do a task in 6 hours. Jeff uses a motorized cart to do the​ task, whereas Sarah uses a pushcart. If each person does the task without the help of the​ other, it takes Sarah twice as long as it takes Jeff. How

155. ## Math derivatives

Let f(2)=3, g(2)=4, f'(2)=5, g'(2)=6, f'(3)=7, g'(3)=8, etc. find (f∘g)′(2)

156. ## Chemistry

Can someone clarify where I'm going wrong with this? Kw for pure water is 1.2 x 10-15 at 5°C. The pH of pure water at 5°C? I thought Kw=[H3O][OH]... I've tried a few different things, but none seem to work. Thanks!

157. ## chemistry

calculate the volume of 4.0 M hydrochloric acid needed to make 100.0 mL of 0.10 M hydrochloric acid.

158. ## math

1.What is the diameter of a sphere that has a volume of 3052.08 m^3? My answer is: 9m 2.What is the radius of a sphere that has a volume of 2304π m^3? My answer is:12m ~If i get it wrong please explain it to me how to get it, i know the formula and how to

159. ## Math

What is compatible numbers and how do you find compatible numbers?

160. ## chemistry

how many grams of CO2 could be produced from 100.0 grams of CH4? CH4 + 2O2 -> CO2 + 2H2O

161. ## Algebra

7/4% of what is 7?

162. ## Math

A toy store has found that 30% of its customers spend more than \$40 each visit. What is the probability that the next two customers will each spend more than \$40?

163. ## Statistics

A physical fitness association is including the mile run in its secondary-school fitness test for boys. The time for this event for boys in secondary school is normally distributed with a mean of 450 seconds and a standard deviation of 40 seconds. If the

164. ## Art

Explain how optical mixing occurs when using thin black lines on white paper. Thanks!

165. ## math

Is the given value a solution of the inequality? x-5