# Questions Asked onNovember 16, 2016

1. ## math

A rope is rated to hold 21 2/5 pounds before it breaks.Estimate by rounding to the nearest pound how many 2 5/8 pound weights the rope will hold ? A. 2 32/39 B. 3/10 C.10 5/24 D. 3 1/3

2. ## Math work

Sam makes some read rolls. He gives 2/5 of the bread rolls to his neighbor and 4/9 of the remainder to his cousin. He has 15 bread rolls left. How many bread rolls does Sam make?

3. ## Math work

Anne has 24 more cards than Devi. Anne finds that 3/5 of Devi's cards are equal to 1/2 of her cards. How many cards does Anne have?

4. ## math

laura works at a local supermarket. she can stack 7 shelves in 1\3 of an hour. At this rate, how many shelves can she stack in 2 hours

5. ## Math work

One quarter of Steve's baseball cards are from his dad's collection. Another 0.2 are from his uncle , and 0.5 are from his brother. The rest are from Steve's cousin. Thirty of the cards from his cousin are National League players; the other half are

6. ## Mathematics

A rectangular peice of land measures 0.5 by 0.3 .If it is to be fenced with 4 rows of wire all along its four sides , find the cost of fencing if 1m costs ₹2

asked by Anushka Shrivastava
7. ## Calculus

How many critical points does the function f(x) = e^x - x^3 have?

8. ## Maths

Initially, school field is 50 meters in length with 30 meters width. After expansion, the length increased by 20% and the area becomes 2340 square meters, therefore the width has increased_________ meters.

9. ## Physics

A cylindrical log of uniform density and radius 20.0 cm floats so that the vertical distance from the water line to the top of the log is 8.00 cm. What is the density of the log? (Hint: draw a good picture of the circular end of the log.)

10. ## Math

14 is added to ⅔ of a number. The result is 1¼ times the original number. Find the number.

asked by Emmanuel Attai
11. ## English 12

Introduce the idea of power. Define what it means to have power and provide a brief discussion of how people come into power. Answer the questions above about the effects of power on individuals.?

12. ## Maths

The 2nd, 5th, and 14th term Of an AP are consecutive terms of a GP. Given that the sum of the three terms of the AP is 9, find the A, first term and the common difference of the AP. B common ratio of the GP C sum of the first three terms of the GP

13. ## math

the second term of AP is 15 and the fifth term is 21.find (1) the common difference and the first term (2) The eight term (3) The sum of the first 16 term

asked by hussein jongo
14. ## Maths

Calculate mentally 2 + 4 + 6 + 8 +…..+ 200 =

15. ## Math

6 notebooks cost the same amount as 8 pens. each notebook costs 3.50 mote than each pen. How much does each pen cost?

16. ## Physics

The popular Super Soaker water guns are powered by compressed air (provided by a hand pump used by the operator.) A certain model has a cylindrical reservoir (where the water is held) 8.00 cm in diameter and a barrel (where the water leaves the gun) 1.00

17. ## Maths

A super-Fibonacci sequence is a list of whole numbers with the property that, from the third term onwards, every term is the sum of all the previous terms. For example, 1, 4, 5, 10, ... How many super-Fibonacci sequences with 1 involve the number 2016? A.1

18. ## Maths

A high school marching band can be arranged in a rectangular formation with exactly three boys in each row and exactly five girls in each column. There are several sizes of marching band for which this is possible. What is the sum of all such possible

19. ## maths

The level of oil in a bottle is at the 1/2-mark. More oil is poured in until it is at the 7/8- mark. What fraction of the bottle is occupied by the additional amount of oil. Pls show all working.

20. ## math

one number is 5 more than half a second number, and the difference between the squares is 17. find the numbers

21. ## science

A body of mass 0.1kg starts to fall freely under gravity from a height of 3m.Calculate its potential and kinetic energy when it is 1m above the groind

22. ## chemistry

An hydrogen atom in the ground state absorbs a photon with a wavelength one and after release a photon with a wavelength two,on which orbital will drop the electron?

23. ## Algebra

on a map is 73 is 12 cm from the airport by car the distance between the 2 points is 30 miles. what is the scale for the map

24. ## physics

a ball moving witha speed of 9m/s sttrikes an identical ball such that after collison ,the direction of each ball makes an angle of 30 with original line of motion. if K1 and K2 are the kinetic energies before and after collision the A) K1< K2 b) K1> K2

25. ## Ravindra bharathi school Maths

Asha's height was 1Cm 23 Cm on her birthday .in 4Years her height increased by 21 Cm . what was her height on her 10 th birthday .

26. ## science

determine the velocity of the truck if it starts from rest and accelerate at 2m/s² in 3.2s

27. ## Calculus

Evaluate the definite integral (low) (high) -π/6 ∫ π/6 2sec(x)tan(x) dx

28. ## math

i have a big math quiz today on these terms plz help me meaning of a ratio that compares two quantities measured in different units meaning of the rate for one unit of a given quantity meaning of found by multiplying the denominator of one ratio by the

asked by Gaganjyot Bhatti
29. ## health

During the exchange of air in your lungs, oxygen is being taken into your bloodstream while this substance is being released. microorganisms carbon dioxide plasma mucus

asked by Gaganjyot Bhatti
30. ## cms

suppose in a positive numbers(including o) and the negative numbers are to be separately counted. a) draw a flow chart. write the pseudo code.

31. ## supply chain management

As the owner of Wildstyle Music you would like to develop an inventory ordering policy which has at most a 10% probability of stocking out. Expected demand for professional mixing headphones is 2190 per year. The store is open 365 days per year. Every two

asked by Fatmata Isha Bah
32. ## Math Help!!!

Drinking 6 fluid ounces of milk provides 202.5 milligrams of calcium. How many fluid ounces of milk are required to provide 52.5 milligrams of calcium? Round to the nearest tenth. 2.1 fluid ounces 2.3 fluid ounces 1.8 fluid ounces 1.6 fluid ounces PLZ

33. ## Math

The sequence < un > is defined by the recurrence Un+1 = 3Un+1\5Un+3 initial condition of u1 = 1: Need to show un in terms of Fibonacci / Lucas numbers

34. ## Science

A Man Wants To See His Own complete image in the mirror.if,the height of the man is h then calculate the length of the mirror?

asked by Mohd Uvais
35. ## science

5. Suppose a skydiver (mass = 75 kg) is falling toward the Earth. When the skydiver is 100 m above the Earth he is moving at 60 m/s. At this point calculate the skydiver’s…….

36. ## Calc

Find the values of C guaranteed by the mean value theorem for integrals. f(x)=x^3 [0,3]

37. ## Math

25% of 5th graders would choose to have music instead of art. If there are 60 5th graders, how many of them choose?

38. ## Maths

Let r'(t) represent the rate of growth of a dog in pounds per year. What does r(t) represent? What does integral of 2 to 6 r'(t) represent about the dog?

39. ## Science

A car starts from an initial velocity of 10m/s and accelerates at 2.5m/s².how long will it take the car to reach a speed of 40m/s.. How far doea the car travel during this time?

40. ## ELA

Your principal is considering inviting a singer or musical group to perform for students at your school to raise money for a local charity. If you could invite anyone, whom would you choose? In a multiple-paragraph letter, persuade your principal to invite

asked by hi its me
41. ## Math

Can someone please explain to me how to solve this? Find the missing length for a circle. r = 19 cm, d =

42. ## Office finances

6. What must a depositor add to a check before the bank will accept it for deposit? A. Cancel B. Void C. Endorsement D. Date of deposit

43. ## TRIANGLE MATH HELP!!!

Are the figures below similar? Why or why not? Determine whether the triangles below are similar. (Triangle M S I is shown on the left. Side M S is labeled 4. Side S I is labeled 6. Side M I is labeled 8. Angle M is 47 degrees. Angle S is 104 degrees.

44. ## Physics

A quartz sphere is 14.0 cm in diameter. What will be its change in volume if its temperature is increased by 305 °F? (the coefficient of volume expansion of quartz is (1.50 × 10^-6) °C-1) Answer in cm^3 I tried this twice and got 0.657 cm^3 and 0.18cm^3

45. ## math

2 men and 5 boys can do a piece of work in 4 days, while 4 men and 4 boys can do it in 3 days.How long it would take one man alone to do it and how many days ity would take one boy to do it alone?

46. ## The Maths

4x + 3y = -2 4x - 4y = -16 a. y=-1 b. y=-2 c. y=1 d. y=2

47. ## math

A man travels 600km partly by train and partly by car.If he covers 120km by train and rest by car ; it takes him 8 hours.But if he travels 200km by train and and by car ; he takes 20 minutes longer.Find the speed of the train and that of the car.

48. ## American government

The equal protection clause of the fourteenth amendment prohibits states from denying "any person within its jurisdiction the equal protection of the laws." How does the language of the equal protection clause show intention to safeguard all groups civil

49. ## writing

what is a good grabber for hammurabi law DBQ

50. ## Physics

the human body is only about 25 % efficient at converting input chemical energy to useful work. where does the rest of the input chemical energy go?

51. ## Physics

a great of effort, time, and money has been spent in the quest for the so-called perpetual-motion machine, which is defined as a hypothetical machine that operates or produces useful work indefinitely and/ or a machine that produces more work or energy

52. ## math

Nine more than the product of 15 and Vidya's height

53. ## Math

A triangle have two sides are known 20m & 30m respectively.find third side where area is 430 square meter.there have different angle .

asked by Aarif raza
54. ## ALGEBRA

A baseball team has 13 players; how many possible batting orders can the coach make if there are 9 players in the batting lineup?Hello can you help with this problem i try different ways to solve it but it is not match with my answers A. 235,368 B.

55. ## Social Studies

"I shall never surrender or retreat. . .I can on you in the name of Liberty, of patriotism, and everything dear to the American character, to come to our aid, with all [speed]. . ." ---- William B. Travis How did this message and the events at the Alamo

56. ## FLAGPOLE MATH!

It's Me Again, Karen is standing near a flagpole that is 12 feet tall. Karen is 5 feet tall, and the length of her shadow is 4 feet, as shown. What is the length in feet of the flagpole's shadow? PLZ HELP!

57. ## Fibonacci Sequence

The sequence < un > is defined by the recurrence Un+1 = 3Un+1\5Un+3 initial condition of u1 = 1: Need to show un in terms of Fibonacci / Lucas numbers

58. ## Math 062

In 1996,funding for a program increased by 0.21 billion dollars from the funding in 1995.In 1997,the increase was 1.05 billion dollars over the funding in 1996.For these years the funding was 10.23 billion dollars.How much was funded in each of these three

59. ## Social Studies

Explain how transportation innovation of the time period affect migration patterns in the United States. Links please?

60. ## math

In covering a distance of 30km.'A' takes 2 hours more than 'B'. If 'A' doubles his speed,he would take 1 hour less than 'B' . find their rates of walking.

61. ## math please explain!

Suppose this firework is set to explode 3 seconds after it is launched. At what height will this firework be when it explodes? My equation is h(t)=-16t^2+120t+20 How do I do this?

asked by Olivia N J
62. ## math

A passenger train takes 3 hours less for a journey of 360km . if its speed increased by 10km/hr from its usual speed . what is its usual speed?

63. ## Math

A pancake takes just 1/5 of a minute to cook. How many pancakes can be cooked in the space of 3/2 hou

64. ## math

How long will it take for prices to double if the rate of inflation is 25% per annum

65. ## Science

How many electrons are present in 0.01 moles of sulphate ion

66. ## Social Studies

"I shall never surrender or retreat. . .I can on you in the name of Liberty, of patriotism, and everything dear to the American character, to come to our aid, with all [speed]. . ." ---- William B. Travis How did this message and the events at the Alamo

67. ## maths

The length and breadth of a rectangle are in ratio 3:2 if it breadth is200 find perimeter

68. ## Math

If 50 feet of electrical wire cost \$4.80, then \$1o.80 will buy how many feet of the wire

69. ## math

The difference between two numbers is 15 . Three times the larger number is eight times the smaller. Find the two numbers.

70. ## Chemistry

How much amount of CaCO3 in gm having % purity 50 percent produces 0.56 litre of CO2 at STP on heating. (Answer 5)

71. ## Math

Write a translation rule that maps point D(7,-3) onto point D(2,5) Please help I don't understand how to do translation I graph the number down but didn't know the next step.

asked by Lexa Reed
72. ## Calculus

Find the value of the derivative (if it exists) of f(x) = (x+3)^(4/3) at x=-3. So I got (4*(x+3)^(1/3))/3 for the derivative and 0 for the final answer.

73. ## english

The text of the question or statement prompt goes here. (Points : 1)

74. ## social studies

the job described would most likely satisfy a person who strongly values

75. ## Math

Let a particle move along the curve y(x)=1+x^2 subject to an attractive force of magnitude !@#\$%^&R direct toward the origin. Determine the work W in moving the particle along the curve from P0(0,1) to P1(1,2).

76. ## Algebra

5x-4y=10 2x+8y=4

asked by Komal yaseen
77. ## Dynamics

A car is traveling at a speed of 80 km/h when the brakes are suddenly applied, causing a constant deceleration of 3.24 m/s2. Determine the time required to stop the car and the distance traveled before stopping

78. ## math

In covering a distance of 30km.'A' takes 2 hours more than 'B'. If 'A' doubles his speed,he would take 1 hour less than 'B' . find their rates of walking.

79. ## Math

How do I solve 28x22/7 (I'm not allowed to use the decimal version of 22/7)

80. ## Chemistry

An unknown metal has a mass of 4.67g. It is heated to 95.1 C and then placed in a calorimeter that contains 24.3g of water at 21.7 C. The metal and water both reach a final temperature of 24.6 C. What is the specific heat of this metal? What is the unknown

81. ## American government

How do interest groups typically influence public policy in the judicial branch? A.By paying judges for meetings B. by submitting amiss curiae briefs to the court C. by meeting face to face with legislators D. by contacting the director of public

82. ## Calculus

Find the average value of the function over [1,3] and all values of x in the interval for which the function: f(x)= 4(x^2+1)/x^2 equals its average value.

83. ## math

If 25x²+k+9 is a perfect square find k

asked by Wayne deno
84. ## CHEMISTRY

WHAT IS THE IUPAC NAME OF CH2(OH)CH2(OH)

85. ## Algebra

Which of the following is equal to (3X/5-7)+7 I used the slash mark to represent the fraction symbol. Can someone please help me figure this out? A.) 5X/3 B.) 3X/5 C.) 3X-35/5 D.) (3X-7)+35

86. ## Science (Stoichiometry with Gasses) (Chemistry)

If 1.00 kg of methane (CH4) is burned completely (in excess O2) and the CO2 produced is collected at 20°C and 1.00 atm, what volume (L) will this CO2 occupy??

87. ## Psychics

Super man lived on Krypton where acceleration due to gravity is 23.6 m/s^2. If a woman falls from a building that is 88.3 meters tall, how long does he have to save her before she hits the ground?

88. ## Algebra

In a set of 6 numbers, {-2, -1, 0, 1, 2, 3}, what is the probability the product of any two numbers is zero?

89. ## english

Which of the following is an example of foreshadowing in To Kill A Mockingbird? Scout and Jem go see Mrs. Dubose. Miss Maudie's house burns down. Atticus discusses the Ewells with Scout after her first day of school. **my choice Scout does not like her

90. ## Chemistry

Explain the difference in acidity of MgO dissolved in water and of P4O10 in water in terms of position of the element in the periodic table and bonding. I found MgO is basic and P4O10 is acidic

91. ## math

Which ratios form a proportion? (A)3/15,12/55 (B)8/24,12/35 (C)5/18,25/90*^* (D)4/11,16/25 If I'm wrong please help me and correct me, don't yell at me for not knowing the right answer.

92. ## Algebra

There are 3 red chips and 2 green chips. You win the game if you take out all the chips of the same color. What is the probability you take all the green chips out?

93. ## geography

what natural vegetation dominates most of north Africa ?

94. ## Calc

Why is it false that F'(x) = G'(x) on the interval [a,b], then F(b) -!@#\$%^&(b)- G(a)?

95. ## math

Which ratio forms a proportion with 9/15? (A)6/10 (B)16/21*^* (C)36/50 (D)45/70 If my answer was incorrect don't yell at me, just correct me please.

96. ## Math

The sum of 2 numbers is 31.⅔ of one of the numbers is equal to ⅝ of the other. Find the number

asked by Emmanuel Attai
97. ## math

Which ratios form a proportion? (A)3/15,12/55 (B)8/24,12/35 (C)5/18,25/90*^* (D)4/11,16/25 If I'm wrong please help me and correct me, don't yell at me for not knowing the right answer. please help asap

98. ## Chemistry

An antacid contains 200mg of aluminum hydroxide and 200 mg of magnesium hydroxide per capsule. How many moles of aluminum hydroxide does each capsule contain? What is the mass in milligrams of 0.0734 mole of magnesium hydroxide?

99. ## math

Which ratio forms a proportion with 9/15? (A)6/10 (B)16/21*^* (C)36/50 (D)45/70 If my answer was incorrect don't yell at me, just correct me please.

100. ## Algebra

5x-4y=10 2x+8y=4

asked by Komal yaseen
101. ## math

A text book weighs 2.5 pounds. How many kilograms does the textbook weigh? Round your answer to the nearest tenth of the pound. 1 kg = 2.2 lb. My answer is 5.5 kg, am I correct?

102. ## Chemistry

Hydrogen gas is used for many purposes, including the hydrogenation of vegetable oils to make margarine. The most common industrial process for producing hydrogen is "steam reforming", in which methane gas, CH4, from natural gas reacts with water vapor to

103. ## Career Research

When you state what your goal is, or how much you need to complete, this is which part of the SMART goal? S for Specific M for Measurable A for Attainable R for Realistic I think A for attainable.

104. ## math

Solve the proportion using number sense. 2/8= x/48 (A)6 (B)12 (C)16*^* (D)8\ Am I correct? I'm not very good at fractions so please be nice.

Which of the following statement best summarizes the purpose of supply chain management? A to manage a larges amount of interconnected businesses to produce a product B to record the transactions of stand alone department c to support the function of the

106. ## math

Solve the proportion using cross products. 8/20 = k/110 (A)99*^* (B)122 (C)3.3 (D)2.9 Am I correct?

107. ## Social Studies

Which of these is an example of a capitol resource? Workers Iron ore*** Entrepreneurs Computers

108. ## Math (please check my answer!!)

openstudy(.)com/updates/attachments/514a5d2ae4b05e69bfac38d2-mimisilly-1363828099165-ikk.png The dashed triangle is a dilation image of the solid triangle with the center at the origin. Is the dilation a enlargement or reduction? Find the scale factor. I

109. ## MATH

Find the area of the surface. The part of the paraboloid z = x2 + y2 that lies inside the cylinder x2 + y2 = 4.

110. ## English

1. The road is closed for construction. (What is the active voice sentence of #1?) 2. The city has closed the road for construction. 3. The city closes the road for construction.

111. ## Algebra

Two fair eight-sided rolled. If a two is showing on one of the die, what is the probability that the sum is six or less?

112. ## math

If 25x²+k+9 is a perfect square find k

asked by Wayne deno
113. ## math

Vanessa deposited money into a bank account that earned 1.25% simple interest each year. After 1/2 year, she had earned \$5.00 in interest on the account. If no other money was deposited into or withdrawn from the account, how much was her initial deposit?

114. ## chemistry

How much heat is absorbed if 45 grams of sweat is evaporated from someone's skin? ∆Hvap for water at body temperature is 2.41 kJ/g.

115. ## English

1. School education is important for students. 2. School education is important to students. (Do we have to use 'for' or 'to'? are both OK? Which one is commonly used?)

116. ## MATH

Find an equation of the tangent plane to the given parametric surface at the specified point. r(u, v) = u cos vi + u sin vj + vk; u = 7, v = π/3

117. ## MATH

Find a parametric representation for the part of the cylinder y2 + z2 = 4 that lies between the planes x = 0 and x = 5. x = u y = 2cos(v) z = 0 ≤ v ≤ 2π

118. ## MATH

Find the area of the part of the plane with vector equation r(u, v) = that is given by 0 ≤ u ≤ 1, 0 ≤ v ≤ 1.

119. ## Chemistry

A hydrogen atom in the ground state absorbs a photon with a wavelength and after it release a photon with a second wavelength. On which orbital will drop the electron?

120. ## finance

Which of the following statements is/are true? 1. It is necessary to register with the state when forming a proprietorship. 2. It is necessary to register with the state when forming a partnership. a. 1 only. b. 2 only. c. Both 1 and 2. d. Neither 1 nor 2.

121. ## Math

The Rosana family decided to put in a patio and a garden in their backyard. The next part shows a rectangle with a base of 8 and height of 4. It also has about 1/3 of the rectangle shaded and is labeled "Garden" I tried multiplying 4 x 8, then dividing by

122. ## Chemistry

Explain how a ligand can be both sigma donating and pi donating and give an example of a ligand that does both. Is this ligand a Lewis acid or a Lewis base?

123. ## math

Solve the proportion using cross products. 8/20 = k/110 (A)99*^* (B)122 (C)3.3 (D)2.9 Am I correct? please asap

124. ## algebra 1

a board is leaning against a building so that the top of the board reaches a height of 16 feet. the bottom of the board is on the ground 6 feet away from the wall. what is the slope of the board as a positive number?

asked by mister j
125. ## math asap

Solve the proportion using cross products. 8/20 = k/110 (A)99*^* (B)122 (C)3.3 (D)2.9 Am I correct? please asap

126. ## Chemistry

What is the maximum mass of cobalt (II) phosphate that will precipitate from a solution prepared by adding an excess of K3PO4 solution to 100.0 mL of 5.0 M CoCI2? Sorry for all the confusion with different names we are working in a group and its easier to

127. ## Math

I add 12 to a number and then double their sum, the result is 1½ of what I get when I double the original number and add 12. Find the number.

asked by Emmanuel Attai

3. Which of the following statements best summarizes the system of railroads shown on the map? A: The majority of the railroads that connected the North to the South were built by 1850. B: The railroads established by 1860 each began and ended at a major

129. ## Algebra

This is a repost from a few weeks ago from someone esle but need help. The ramp shown below is used to move crates of oranges to loading docks at different heights. When the horizontal distance AB is 15ft, the height of the loading dock, BC, is 3ft. What

130. ## Calculus

Find the values of c guaranteed by the mean value theorem for integrals. f(x)= x^3 [0,3]

131. ## art/history

which of the following is not an element of baroque or rococo architecture a movement b columns c ornamentation d minimalism

132. ## English

1. You had lunch already. 2. You already had lunch. 3. You have already had lunch. 4. You have had lunch already. --------------------- Are they all grammatical and the same in meaning? Which one is commonly used?

133. ## Math

Plz help me with these question. 1. The census Bureau estimates That in 2020, 15 of the 50 states will have a Spanish speaking majority. What percent of the states will have a Spanish speaking majority? A.10% B.15% C.30% D.50% 2. Last year, A poll of 1,000

asked by MATH help
134. ## Social Studies

Throughout the 1900s, many countries in Africa and Asia gained independence from European colonial powers. India is one of these countries, having gained their independence from Britain in 1947. Why did people in India want independence? In what ways was

135. ## Math

Write the ratio of the number of squares to the number of circles as shown below. (Pretend I have four circles and five squares. The # will represent circles and the @ sign will represent squares.) #### @@@@@ (A)4 to 9 (B)5:4 (C)4 to 5 (D)5:9 I think the

136. ## social studies

5, which statement best explains how the conflict over tariff of 1828 was resolved The US Supreme Court ruled against the tariff Daniel Webster gav a speech to the Senate and the tariff was repealed South Carolina passed the nullification Act which

137. ## Algebra

If anyone can check my work for me that would be greatly appreciated I'm having trouble. Evaluate the expression foe the given value of the variable. |-4b-8|+|-1-b^2|+2b^3 ; b=-2 I got 1 for my answer -4(-2)-8-1+2^2+2(-2) 8-8-1+2^2-4 -1+2^2-4 1

138. ## Social Studies

How can the Constitution be amended? (All help welcome)

asked by All help welcome!
139. ## math

Write the ratio of the number of squares to the number of circles as shown below. (Pretend I have four circles and five squares. The # will represent circles and the @ sign will represent squares.) #### @@@@@ (A)4 to 9 (B)5:4 (C)4 to 5 (D)5:9 I think the

140. ## Science

What parts of the earth did glaciers cover during the ice age.

141. ## science

Which type of energy would the toy have if you pushed it and held the spring in the toy? F) electrical G) kinetic H) potential of I) thermal? ( there is a spring in the toy) I think it is potential energy since the spring is going down.Right?

142. ## Language Arts 7 A

In ¨Life Without Gravity¨ How does word choice help support the author's point of view in the selection? A) He uses words with negative connotations like unpleasant and sticklike. B) He uses descriptive words like gooey and smells. C) He uses words with

143. ## math

In triangle ABC, BC = 20 * sqrt(3) and angle C = 30 degrees. Let the perpendicular bisector of BC intersect BC and AC at D and E, respectively. Find the length of DE.

144. ## math

In triangle ABC, AB = 3, AC = 5, and BC = 4. The medians AD, BE, and CF of triangle ABC intersect at the centroid G. Let the projections of G onto BC, AC, and AB be P, Q, and R, respectively. Find GP + GQ + GR.

145. ## Geometry

The measure of central angle YCZ is 80 degrees. What is the sum of the areas of the two shaded sectors?

146. ## math

In triangle ABC, AB = 3, AC = 5, and BC = 4. The medians AD, BE, and CF of triangle ABC intersect at the centroid G. Let the projections of G onto BC, AC, and AB be P, Q, and R, respectively. Find GP + GQ + GR.

147. ## History

Can Someone Please Tell Me The Answers!!! course picture Modern US History A-1 SOH Course Links  profile picture Joshua Whitmire Unit 2 Test Unit 2: Immigration and Migration > Unit Assessments 1. Why were many Native Americans opposed to settling in

148. ## history

1) Which group made up the majority of white Southerners? Planters capitalists middle class small farmers 2. Which is the most likely cause of the spike in cotton production in Mississippi in the mid¬ 1800s shown on the chart? the growth in demand for

149. ## History

why did southerners resist the increased tariff in 1828

asked by Jimmy Neutron
150. ## Stats

Childhood participation in sports, cultural groups, and youth groups appears to be related to improved self-esteem for adolescents. (McGee, Williams, Howden-Chapman, Martin & Kawachi, 2006). In representative study, a sample of n = 100 adolescents with a

151. ## geography

What are the connections between the Balfour Agreement during WW1 and Hezbollah, its creation, and its frustrations? Thanks!

152. ## math

A circle is circumscribed about an equilateral triangle with side lengths of 9 units each. What is the area of the circle, in square units? Express your answer in terms of pi.

153. ## physics

One end of a spring is attached to a wall and Jamie pulls on the other end of the spring with a force of 100 N, stretching the spring by 19.5 cm. If Jason takes the end of the spring off of the wall and they both pull the spring with a force of 100 N, how

154. ## Drivers ED

Generally, you may turn right on red providing you? A:Slow before turning B:Prepare to stop for traffic*** C:Treat the light as you would a stop sign D:Slow enough to have good visibility

Whitney wanted to speed up the making of guns by having machines manufacture each part. All machine-made parts would be alike-for example, one trigger would be identical to another. Identical parts would fit together with all other parts, and gunsmiths

156. ## math

ben has 2/3 of a large candy bar. he is going to split it into 4 parts for his friends. How much of the candy does each friend get?

157. ## English

What does the author achieve by mixing exact and approximate numbers in "A Contribution to Statistics?"

158. ## Math

I am doing a worksheet that says to solve all problems to get the answer to "which Arctic animals love math?" I did not get the riddle. Does anyone know the answer? I would love if someone got back to me on this one. Thanks, Ishaan.

159. ## Physics

A roller-coaster car rolls down a track, reaching a speed of v0 at the bottom. If the height of the track is increased by a factor of 2.00, assuming the track is frictionless, by what factor will the speed at the bottom increase?

160. ## Physics

A rectangular object has a width of 40 meters, height of 15 meters, and length of 2 meters. It floats consistently when 3 meters of its height is below the surface of the water. 1. Find the volume of the displaced water. - Is this the same as the volume of

161. ## SS (Social Studies)

I'm working on a social studies project and I really need help on it. The question asks to list three benefits of farming. My benefits are: 1) A stable Lifestyle 2)Stable Food Source 3)A Source For Trading I just need help to create slogans for them!

162. ## Physics

A spring gun shoots out a plastic ball at speed v0. If the ball's speed is increased by a factor of 5, what distance must the spring have been compressed?

asked by First Name
163. ## Chemistry

pressure of Ne in sealed container

164. ## social studies

what main reason did congress initially refuse to annex texas If the united states annexed texas it would almost certainly cause a war with mexico *** If the united states annexed texas it would enter as a free state and anger southerners If the united

165. ## Math

solve the inequality. Expiation each step and identify the property used. (n)/(-3)+5>4

166. ## Math

solve the inequality. Expiation each step and identify the property used. 3a-4

167. ## Chemistry

if the total partial pressure of Ne and He having the same mass in a sealed container is 6atm then what is that of Ne?

(2.00x10⁵)⁻³

169. ## Algebra

Can somebody please help me with solving this and show steps if they can. Solve the equation. Check for extraneous solutions. 9|9-8X|=2X+3 For my answer I got X=-1 I divided by 9 on both sides I got 8X=2X-6 Then I divided by 6 on both sides and got X=-1

170. ## Social studies

what would be a result of the american-mexican war

171. ## Math

Luna mix 3/4 cup of orange juice with 1/2 cup of cranberry juice she gives 5/8 cup of the juice to mags. How much is left in Luna glass

172. ## Math

600,000. = _ ten thousands

173. ## Math

1. Graph the solution of the inequality. x ≤ 3 2. The number of words x Tina can type per minute is at least 50. Write and graph an inequality to describe this situation. (1 point) x ≥ 50; x ≤ 50; x ≥ 50; x > 50; 3. Gavin needs to read at least 150

174. ## math algebra

A car was purchased for \$3,495 and will depreciate 20% each year. Find a linear function for the value of the car at time t in years. Define variables clearly. Graph the function you found in part A. A claim is made that the car will not be worth anything

175. ## physics

A system consists of a 0.130-kg chunk of ice floating in 1.12 kg of water, all at 0 ∘C. Part A How much thermal energy must be added to the system to convert it to 1.25 kg of water at 15.0 ∘C?

176. ## Social Studies

I need 3 examples of characteristics about the New England Colonies, Middle Colonies, and Southern Colones

177. ## Math

What is the least common multiple of 7 77 and 8

178. ## Social Studies

I need to know how New England Colonies,Middle Colonies, and Southern Colonies the ways the colonists adapted to their environment.

179. ## Physics

A ceiling fan draws a current of 0.625 A and has a voltage of 120 V. The resistance of the ceiling fan, to the nearest tenth?

180. ## Differential calculus

Find the equation of the parabola w/ v(3,-4) and with directrix y=0.

181. ## Math

Morgan rolls a number cube, twice. If the number 1 shows up at least once, Morgan wins. Otherwise, Jaclyn wins. How much greater is the probability that Morgan will win compared to Jaclyn winning? A)1/3 B)7/18 C)4/9 D)2/3

182. ## Math

What is the least common multiple of 9,5 and 51

183. ## math

if the temperature is -3f at 10:00 pm and the temperature falls four degrees overnight what is the resulting temperature

Na+I_2

185. ## Physics

The record time for a Tour de France cyclist to ascend the famed 1100-m-high Alpe d'Huez was 37.5 min, set by Marco Pantani in 1997. Pantani and his bike had a mass of 65 kg. Assume the body works with 25 % efficiency. A)How many Calories did he expend

186. ## Physics

Air conditioners sold in the United States are given a seasonal energy-efficiency ratio (SEER) rating that consumers can use to compare different models. A SEER rating is the ratio of heat pumped to energy input, similar to a COP but using English units,

187. ## Math

Mrs.Lam has made 300 ounces of jam. She has jars that each hold 16 ounces. What is the fewest number of jars needed to hold all the jam made?

188. ## Math/algebra

Sandy drives the first 3 hours of her trip at 65 miles per hour. The last hour of the trip she drives 62 miles per hour. How far did Sandy drive on her trip?

189. ## Arithmetic

If pencils are bought at 70 cents per dozen and sold at 3 for 20 cents, the total profit on 6 dozen is?

190. ## Math

Laura bought a pair of shoes priced at \$20.00 if the sales tax rate in Laura's state is 6% what is the total price of the shoes ?

191. ## Math

Nisha wants to study 5 hours at 1/3 hours per night. How many nights will she have to study?

192. ## Math

The American flag is customarily made in the ratio of 10 to 19 which of the following dimensions are not in the correct ratio for the flag ?

193. ## Algebra

Complete the following table Growth rate is k, Doubling time is T Population Growth Rate Doubling time Country A 1.3% yr ? years Country B ? yr 33 years ​(Round doubling time to the nearest whole number and round growth rate to the nearest​ tenth.)

194. ## math

Show me a fraction for. 12 markers 7 are blue the rest are red what is the fraction

195. ## Math

A baker made 434 dinner rolls for a banquet the rolls are served in baskets that can hold 16 rolls each what is the fewest number of baskets needed to hold all the rolls?

196. ## Science

How do structures in living organisms compare with structures of nonliving things such as construction cranes, buildings, ships, airplanes, or bridges?

197. ## math, science

what are the difference and similarities between math and science

198. ## mechanical

A cylindrical tank with flat endplates is constructed from two sections that are welded together circumferentially.The outer diameter of the tank is 1.20, and the wall of the tank is 20.0 mm thick and the mamimum internal pressure is 2.00 MPa. (a)

199. ## Physics

Francesca dangles her watch from a thin piece of string while the jetliner she is in accelerates for takeoff, which takes about 11 s . Tap image to zoom . Part A Estimate the takeoff speed of the aircraft if the string makes an angle of 25∘ with respect

200. ## Chemistry

In need of help setting up each of these problems. Under the conditions in a laboratory experiment, 0.0513 grams of aluminum (At. Wt.=27.0) was reacted with excess hydrochloric acid to produce hydrogen gas according to the following balanced equation: 2

201. ## Algebra

Find a polynomial function of lowest degree with rational coefficients that has the given numbers as some of its zeros. sqrt of 3, 4 Thanks!

202. ## Algebra

Find a polynomial function of lowest degree with rational coefficients that has the given numbers as some of its zeros. sqrt of 3 and 4i disregard the first post, thanks!

203. ## math

the teacher has 15 gold ribbons , 22blue ribbons and 53 red ribbons. there are 12 boys and 18 girls in the class if the teacher divides the ribbon evenly among the students. how many ribbons will each student have write a expression using brackets then

204. ## Mathematics

If I walk 3 3/4 miles in 1 1/2 hours how many would I walk in 4 hours?

205. ## Math

What percent of 16 is 8

206. ## Math

Given that ​f(x)=x^2-15 and ​g(x)=10−​x, find ​(f−​g)(3​), if it exists.

207. ## Physics

compute for the power while pushing an object by a 200N force making 18 degrees above the horizontal covering a distance of 7.5m in 0.5 minute?

208. ## Math

6 is 20% of what number?

209. ## physics

The figure shows an overhead view of a 3.00-kg plastic rod of length 1.20 m on a table. One end of the rod is attached to the table, and the rod is free to pivot about this point without friction. A disk of mass 37.0 g slides toward the opposite end of the

210. ## Chemistry

Calculate the standard enthalpy change for the reaction 2A+B⇌2C+2D Use the following data: Substance ΔH∘!@#\$%^&J/mol) A -247 B -375 C 191 D -483 Express your answer to three significant figures and include the appropriate units. My answer was 285

211. ## Algebra

Country A has a growth rate of 2.6% per year. The population is currently 5,918​,000 and the land area of Country A is 11​,000,000,000 square yards. Assuming this growth rate continues and is​ exponential, after how long will there be one person for

212. ## math

Is your refrigerator running then you better go catch it

213. ## sceince

A student on roller blades traveling south with a force of 100 N collides with another student on roller blades traveling north with a force of 200 N. The net force is -100 N, but which student will go backwards? Why?

214. ## Accounting

Rented. An office and paid three months rent in advance to property management check \$4,500.

215. ## Mathematics

If I walk 3 3/4 miles in 1 1/2 hours how many miles would I walk in 4 hours?

216. ## geometry

given: segment HI congruent to segment GJ, segment HI parallel to segment GJ prove: triangle GJH congruent to triangle IHJ

217. ## Math

The area of one of the faces of the cube below is x^2+2x+1 cm^2. Find an expression in mixed radical form for the length of the interior design. My Work: Step 1: a^2 + b^2 = c^2 =(x-1)(x-1) x-1 equals to all the sides of the cube Step 2: a^2 + b^2 = c^2

218. ## Chemistry

Sample A: Solid appearance:crystals, solids, white Solid Conductivity:no Solubility: soluble Solution appearance:substance disappears slowly Solution Conductivity: yes Relative melting point:2nd Sample B: Solid appearance:brown, tiny solids, dirt

219. ## Accounting

Rented an office and paid three months rent in advance to property management check \$4500, how would this journal entry be posted to the general journal.

220. ## Social studies

Identify which principle of government is expressed in each of the seven excerpts from the Declaration of Independence. Excerpts may express more than one principles.

221. ## Algebra

An engineer designs a satellite dish with a parabolic cross section. The dish is 14 ft wide at the​ opening, and the focus is placed 4 ft from the vertex. ​a) Position a coordinate system with the origin at the vertex and the​ x-axis on the​

222. ## Math

The area of one of the faces of the cube below is x^2+2x+1 cm^2. Find an expression in mixed radical form for the length of the interior design. Since no one looked at my previous work.................

X+y=1 X-y=3

224. ## Mathematics

The area of one of the faces of the cube below is x^2+2x+1 cm^2. Find an expression in mixed radical form for the length of the interior design. plzzzzzzzzzzzzz helppppppppp on thisssss. On my previous question I even showed my work

225. ## English

1. May I have your student ID card number? 2. May I have your student ID number? (Are both correct? Do you omit 'card' frequently?)

226. ## accounting

how would this be posted to the general ledger. dr.cash 19,000 dr.office equipment 6,000 cr. rich capital 25,000

227. ## Math

877.498+374.202 what the answer be 1251.700

228. ## art

what type of collection would include this type of artwork

229. ## math

a teacher bought five flags of different countries to use in a class activity she added them to the flags she already had in the classroom she borrowed four more flags but two of these weren't used in the end ten flags were used in the activity how many

230. ## Physics

One end of a spring is attached to a wall and Jamie pulls on the other end of the spring with a force of 200 N, stretching the spring by 11.5 cm. If Jason takes the end of the spring off of the wall and they both pull the spring with a force of 200 N, how

asked by Physics Lover
231. ## SCIENCE

HOW IS A PARENT GENERATION OF A FERN DIFFERENT FRON THE GENERATION THAT COMES BEFORE AND AFTER IT

232. ## Physics

What is the speed ratio (vA/vB) if particle A has 6 times the kinetic energy and half the mass of particle B? 3.46 1.73 2.45 0.289

asked by Speed Ratio
233. ## Physics

a 30.0 g particle is released from rest at x = 5 J. What is the speed of the particle at x = 0 J?

asked by Speed Ratio
234. ## Math

Which of the following equations could represent the relationship between x and y in the table below? x|1|2|3|4 y|3|9|19|33

235. ## Math.

Each boksheld in the library holds 82. There are 24 full bookshelves in the library. How many books are in library.

236. ## Math

A passenger ferry travels between two cities the ferry travels an average speed of 35 mph and the journey one way takes 30 minutes what distance does the ferry cover

asked by Brooke evens
237. ## mathematics

2m+n=3 3m+4n=2 In Elimination method

238. ## Morales

A black rectangular box is 8 inches longer than it is wide. A green rectangle box is 3 inches wider than the black box but it has the same length. The area of the green box is 39 square inches more than the area of the black box.

239. ## mathematics

X+y=1 X_y=3 In Elimination Method

240. ## Math

The point (5,-2) in on the terminal side of an angle t. Find cos

241. ## Math

Mrs. Jones and Mr. Graham had the same amount of money at first. After Mrs. Jones bought a computer that cost \$2,055, she had 1/4 as much money as Mr. Graham. How much money did Mr. Graham have? I know that x = y in equation 1. I know that x-2055 = .25G

242. ## Math

877.498+374.202 what the answer be 1251.700

243. ## applied physics

An object is thrown vertically up ward from the ground with initial velocity 1960cm/s Neglecting air resistance, find the maximum height reached and the total time taken to return to the straight point ,/using first order differential equations/

asked by Ermiyas Abas
244. ## Statistics

Suppose that the probability that an item produced by a certain machine will be defective is 0.2. A sample of 12 items is chosen. Let X be the number of defectives among the selected 12 items. (a) Find the probability of at most 1 defective item. (b) Find

245. ## Statistics

Before a DVD player leaves the factory, it is given a quality-control check. The probability that a DVD player contains 0, 1, or 2 defectives are 0.90, 0.08, and 0.02, respectively. In a sample of 10 players, (a) Find the probability that 6 have 0 defects,

246. ## Statistics

A youth group has 7 boys and 5 girls. Experiment is select 5 people at random from the group. Let X be the number of boys in the selected 5 people. (a) Find the probability of exactly 1 boy, i.e., P([X = 1]). (b) Find the probability of exactly 2 boy,

247. ## Grade 11 Physics

Megan and Catrina are at a playground swing set. Catrina pulls Megan back so that the 2.5 m long chain makes a 35 angle with the vertical. She pushes her with a speed of 6.5 m/s and Megan begins to swing forward. a) What is Megan’s fastest speed? b)

248. ## Physics

A 4.0 g bullet is shot with an initial velocity of 300.0 m/s into a board (I = 19.0 kg m2). The board is held still by a frictionless pivot a third away from its bottom end, as shown below. Assume that you can treat the board as a uniform rod. 1) What is

asked by Sara S
249. ## Biology

How is male circumstation reduces the risk of HIV? Explain briefly

250. ## Statistics

find z such that 6.6% of the standard normal curve lies to the right of z. (Round your answer to two decimal places.)

251. ## physics

A 2.0 g bullet is shot with an initial velocity of 200.0 m/s into a board (I = 12.0 kg m2). The board is held still by a frictionless pivot a third away from its bottom end, as shown below. Assume that you can treat the board as a uniform rod. 1. What is

252. ## Chemistry

Determine the mass of NH2CH2CO2Na and the volume of 0.150 M HCl solution required to make 1.35 L of a buffer solution at pH=10.75 and at a total concentration of 0.33 M. pKa(NH2CH2CO2H)=9.88. a.Mass of NH2CH2CO2Na: b. Volume of HCl solution: Hi Im sooo

253. ## math

The credit remaining on a phone card (in dollars) is a linear function of the total calling time made with the card (in minutes). The remaining credit after 26 minutes of calls is \$16.36 , and the remaining credit after 45 minutes of calls is \$13.70 . What

254. ## Algebra

Following the birth of a​ child, a parent wants to make an initial investment P 0 that will grow to ​\$70,000 for the​ child's education at age 19. Interest is compounded continuously at 6​%. What should the initial investment​ be? Such an amount

255. ## Chemistry Heat Capacity

Is ΔCP for the reaction > 0 or < 0? Would an atmosphere of 20% carbon dioxide, 5% carbon monoxide, and 75% nitrogen oxidize nickel at 1000K? It is given that ΔG° = -66.62 KJ/mol, ΔH° = -48.93 kJ/mol, and ΔS = 17.69 J/ mol K

256. ## Chemistry

For gaseous n-pentane and isopentane, both at 298K, ΔGf°=−194.4kJ/mol and−200.8kJ/mol, respectively. The vapor pressures of the liquids are given by: n-pentane:log10P(atm)=3.9714−1065/T−41 isopentane:log10P(atm)=3.9089−1020/T−40 Calculate (a)

257. ## 6 grade math

I need help in the setup teacher wants a guess and check table for the word problem. Just the set up I need help on . Please a wood board 156 cm long is cut into three pieces.the two longer pieces are the same length and are 15 cm longer than the shortest

258. ## 6 grade math

Please I need help on just the set up using a guess and check table. Karina has some dimes and quarters she has 8 more dimes and quarters and the collection of coins is worth \$7.45. How many dimes and quarters does Corona have?

259. ## 6 grade math

Please I just need help on the set up teacher wants a guess and check table. Thomas is thinking of a number. If he doubles his number and subtraction 27, the results is 407. Of what number is Thomas thinking?

260. ## History

In what two present day states has Spain claimed land by 1620

261. ## History

Why were the English claims father north than those of the Spanish

262. ## Physics

You throw a 238 g baseball straight up from a height of 1.73 m and it reaches a height of 13.2 m. Using conservation of energy, what minimum initial speed is needed to accomplish this?

asked by Physics Lover
263. ## English

This one was carved/inscrubed in/on this rock in Chinese letters. (Is this sentence right? Which one should I use?)

264. ## Physics

A meter stick whose mass is 0.200 kg is supported at the zero cm mark by a knife edge and a force F at the 100 cm point. A mass of 700 grams is attached to the stick at 40 cm mark. Find the magnitude of N and F in Newton's.

265. ## Math

David starts off at a salary of \$10,000 per yer. At the end of each year, he will earn a 4% raise on his previous salary. What will be the first year that he makes \$15,000? If Valerie starts off at a salary of \$10,000 per year and receives an option of a

266. ## Math

Derrick built a pen for his dog using one side of his house. He has 28 feet of fencing to use for the three sides of his fence. Make a table that uses the distances d away from the house as input and the length of the side opposite the house and the area

asked by Caurraine Titus
267. ## Education

How can educators help children cope with stress in middle childhood?

268. ## Algebra

An engineer designs a satellite dish with a parabolic cross section. The dish is 10 ft wide at the​ opening, and the focus is placed 8 ft from the vertex. ​a) Position a coordinate system with the origin at the vertex and the​ x-axis on the​

269. ## Physics

A 21700 kg train is reaching the end of the line. In order to slow down, the front of the train snags a cable that is attached to a spring. If the spring has a spring constant of 73400 N/m and the train's initial speed is 53.0 m/s, how much will the spring

asked by Physics Lover
270. ## Physics

You are lawn bowling and bowl a ball with a speed of 5.00 m/s. Unfortunately, your ball hits a large rock of mass 400 g, resulting in a perfectly elastic collision. If the final velocity of the ball after the collision is -2.93 m/s, what must the mass of

asked by Physics Lover
271. ## Statistics

Accrotime is a manufacturer of quartz crystal watches. Accrotime researchers have shown that the watches have an average life of 32 months before certain electronic components deteriorate, causing the watch to become unreliable. The standard deviation of