1. Calculus 1

Find the critical numbers of the function. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) f(x) = x^(5)e^(-6x)

2. Trig

a smokestack is 190 feet high. a guy wire must be fastened to the stack 30.0 feet from the top. the guy wire makes an angle of 39.0deg with the ground. find the length of the guy wire

3. Calculus 1

Find the critical numbers of the function. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) h(t) = t^(3/4) − 3t^(1/4)

4. Chemistry

The cooling system in an automobile holds 10.0 L of ethylene glycol antifreeze. How much energy is absorbed when the temperature of the ethylene glycol goes from 20°C to 100°C? The density and specific heat capacity of ethylene glycol are 1.11 g/mL and

5. material science, math

Calculate the ratio of the moments of inertia I1/I2 of two beams of rectangular cross section of the same width, one with a height h and the other, made up of three thinner beams of height h/3. I1/I2 = ?

6. physical science

hermal conductors don’t have to be hot to transfer heat. According to Ch.16, explain a situation when an ice cube would still transfer heat to another object it is in contact with.

7. Help History

How were the Revolutionary efforts of George Mason and Thomas Jefferson most alike? Both worked together to write the Declaration of Independence. Both initially refused to serve in the Constitutional Convention. Both served on the committee to negotiate

8. History @Reed

Which statement correctly summarizes the colonists' reaction and outcome of the Townshend Act? Some petitioned and boycotted the act; eventually all taxes were repealed except for the tax on tea.**** Most colonists supported the Townshend Act, which led to

9. Math

What did the baby buzzard say when it saw an orange in the nest I got misspelled jumbo

10. Calculus 1

Find the critical numbers of the function. (Enter your answers as a comma-separated list. Use n to denote any arbitrary integer values. If an answer does not exist, enter DNE.) f(θ) = 4 cos θ + 2 sin^2 θ

11. Math

Sari has to read a book for English class by the end of the week. She wants to read at least 200 pages in the first 5 days of the week. On average, how many pages should Sari read per day to meet her goal? p>=______

12. t

find the area of borbder. if inner lenght = 100m inner breadth = 50m , width of the border = 2m

13. Chemistry

A sample of calcium fluoride with a mass of 15.0 g contains 8.40 g of calcium. Assuming that the sample is pure calcium fluoride, how much calcium would be present in a 30.0 g sample? My answer: 16.8 g Ca Based on your answer and applying what you know

14. science

A blood clot is composed of which of the following components? A. Platelets and fibrin B. Erythropoietin and thrombin C. Serum and albumin D. Fibrinogen and globulin

15. History @Reed

The British and the colonists had many conflicts in the time before the American Revolution. What conclusion can be made about why so much conflict occurred in Boston? The king wanted to control Boston because the wealthiest colonists lived there. The

16. Science

1. how do scientists classify stars ? (1point ) A. by size , distance , and color b. by size , distance, and brightness c. by color , brightness, and distance d. by size , brightness, and temperature

17. Chemistry

A line in the Balmer series of hydrogen has a wavelength of 486 nm. From what state did the electron originate? In what region of the electromagnetic spectrum is this line observed?

when an ice cube would still transfer heat to another object it is in contact with.

19. algebra 2

A landscaper is designing a flower garden in the shape of a trapezoid. She wants the shorter base to be 3 yards greater than the height and the longer base to be 7 yards greater than the height. She wants the area to be 295 square yards. The situation is

20. math

A prize of \$100, \$200, \$500, or \$1000 will be randomly awarded to a game show contestant, with the probabilities of winning each prize shown in the table below. What is the expected value of the prize that will be awarded?

21. History

Compare the results of the French and Indian War among the groups involved. Which groups suffered similar consequences? American colonists and the Iroquois bore the effects of a massive war debt. The Spanish and Native American tribes both lost rights to

22. Ms. Sue PLZZZ help with this U.S History

Which answer best describes part of James Otis' role in the Revolutionary Period? Otis supported the idea that each colony would have its own legal system.*** Otis opposed the British practice of executing searches without warrants. Otis opposed the

23. Regents biology

Baby chickens require a constant source of food.As chick's grow,more energy is required for daily activities.The following table gives the grams of food eaten by a chuck over a five day period:

24. Math

The cost for a business to make greeting cards can be divided into one-time cost (e.g., a printing machine) and repeated costs (e.g., ink and paper). Suppose the total cost to make 30 cards is \$800, and the total cost to make 550 cards is \$1,300. What is

25. chem

how many grams of chloroethylene C2H3Cl contain 5.47 x 10^26 molecules?

26. Earth Science

Which of the following is not a process that forms metallic ore? placer deposits *** fossil compaction hydrothermal solutions igneous processes 5. Which of the following nonmetallic mineral resources is used both as a building material and as an industrial

27. Math (Trig)

A ship leaves port at noon and has a bearing of S 25° W. The ship sails at 15 knots. How many nautical miles south and how many nautical miles west does the ship travel by 6:00 P.M.? (Round your answers to two decimal places.) Miles South? Miles West?

28. Calculus

A graphic designer is asked to create a movie poster with a 128 in^2 photo surrounded by a 4 in border at the top and bottoms and a 2 in border on each side. What overall dimensions for the poster should the designer choose to use the least amount of

29. math

a boat moves 9 kilometers upstream in the same amount of time it moves 20 kilometers downstream. If the rate of the current is 9 kilometers per hour. Find the rate of the boat in still water

What are two reasons for converting a document or record into a digitized format?

31. Math

1. Translate P(4,0) right 3 units and up 5 units. Give the coordinates of the image point. A.)(-5,1) B.)(1,-5) C.)(5,7) D.)(7,5) 2. Point A(6, -2) is reflected over the x-axis. Write the coordinates of A'. A.)6,2 B.)6,-2 C.)(-6,2 D.)(-6,-2 I put 1.)c &

32. Chem

Complete combustion of 8.30 g of a hydrocarbon produced 26.7 g of CO2 and 9.10 g of H2O. What is the empirical formula for the hydrocarbon? My Work: First I tried to find the Amount of C and H in the product... Which I got 1 Mole of Carbon and 2 moles of

one kg apples cost Rs.40.they are sold at the profit of 12 (1/2)%.find the selling price.

34. chemistry..anybody!

I don't know why it was marked wrong. This is what it said: Where is the 5.64 coming from? Is this a typo?(thank you) HINT To balance the equation, make sure that the number of each atom on the reactant side is the same as the number on the product side.

35. Math PLZZ

1. Which set of numbers represents a Pythagorean triple? 6, 9, 12 7, 10, 12 16, 18, 25 27, 36, 45* 2. If the lengths of the legs in a right triangle are 7 and 8, what is the approximate length of the hypotenuse? 1.4 3.8 5.4* 10.6 3. Which set represents a

36. conspiracy

3 reasons why ms.sue is illuminati confirmed 1. sue has 3 letters, the illuminati has 3 sides 2. sue likes to go in the english questions, english has books, the illuminati also has books 3. sue has 2 eyes, the illuminati has 1 eye, 2-1 is 1 MS.SUE IS

37. SCIENCE

2. which of the following happens when a low - mass star runs out of fuel ? choose all that apply . ( 3points ) A ITS CORE BECOMES A WHITE DWARF B ITS OUTER LAYERS FORM a nebula , or vast cloud of gas and dust c its outer layers expand , and the star

38. physics

A salesperson leaves the office and drives 26 km north along a straight highway. A turn is made onto a highway that leads in a direction of 60 degrees. The driver continues on the highway for a distance of 62 km and then stops. What is the total

2. If the scientists only performed 1 experiment but it supported their hypothesis, why can it not be considered a theory?

40. statistics

Two cards are drawn from a well-shuffled ordinary pack of 52 cards. The first card is replaced before selecting the second card. Find the following probabilities. (iii) One is King and one is queen (iv) Both are faced cards

3. which if the following factors determines how long a star will live ? ( 1point ) A . star’s color b. the star’s mass**** c. the star’s diameter d. the star’s distance from the sun 4 . which of the following causes constellations to appear to

42. physics

Juan was on vacation in Italy, and one of this adventures, he went up the Pisa tower. He wants to know the tower height using Physics, so he drops a small stone that he has in his pocket and takes the time it lasts to reach the ground. What is the Pisa

43. physical science

Explain how the snowboarder can have both kinetic and potential energy at point B.

44. Physics

Carlos is in an roof of a building of 20 meters tall, he throws a tennis ball vertically upwards at 15 m/s velocity after it reaches its highest height, the ball goes down until it reaches the ground (see the figure). Based on this information, answer the

45. Social Studies

Which of the following statements about Egypt is correct? A. About half of Egypts land is desert B. Egypt has one of the smallest populations in North Africa. C. Most people in Egypt live near the Nile River D. Egypt gets much more rainfall than the rest

46. chemistry

what is the pH of .001M solution of acid (pKa=3)

what is the

48. Help @Damon

Which answer puts these Revolutionary Period events in the correct order? Boston Tea Party, Stamp Act, Declaration of Independence Stamp Act, Boston Tea Party, Declaration of Independence Boston Tea Party, Declaration of Independence, Boston Massacre

49. physical science

why the speed of sound is faster in solids than in gases.

50. MATH

1. Which of these numbers can be classified as both real and rational? 1/2 -1.016879413894 Square root: 5 0.89089908999 2.Which is both a real number and an integer? Square root 7 0.15 -15 1/3 3. What is an example of an irrational number? Sqre root:

A mirror produces an image that is located 28.0 cm behind the mirror, when the object is located 9.90 cm in front of the mirror. (a) What is the focal length of the mirror? (b) Is the mirror 1 - concave or 2 - convex? (Give the number of the correct

52. History @Reed

How were the Revolutionary efforts of George Mason and Thomas Jefferson most alike? Both worked together to write the Declaration of Independence.**** Both initially refused to serve in the Constitutional Convention. Both served on the committee to

53. Maths ( urgent help )

20 men can do a piece of work in 24 days. After working for 6 days, an additional number of men are taken to finish the work in 21 days from the beginning. Find the number of additional men . . . I tried using variation method but the answer didn't come

54. Chemistry

A solution is prepared by dissolving 0.1 mol of ethanoic acid (CH3COOH) in 500ml of water at 25 C. pKa of ethanoic acid is 4.7. What is the pH of the solution? I'm assuming the equation is pH = pKa + log[Base]/[Acid] but can't get it to work?

55. kamlavathi

I want to know about Phyllis Webb's poem - marvells garden

56. Chemistry

A balloon contains 7.2 L of He. Th e pressure is reduced to 2.00 atm and the balloon expands to occupy a volume of 25.1 L. What was the initial pressure exerted on the balloon? I got 0.57 ml, but the answer says 7.0 ml. I am not sure if my answer is wrong

57. History

1.)Studies conducted in england during the industrial revolution have shown that children born to poor families were, on average, shorter than those born to wealthier parents. The most likely expalanation for this difference in hieghts is a difference in

58. Geometry

The degree measure of the vertex angle is (3x-8). The degree measure for each base angle is (6x-41). What is the value of vertex angle?

13. The picture is a model of a nitrogen atom. What is incorrect about the atomic orbital arrangement of electrons in this model?

60. Grammar

What does rashly mean?

asked by WEGymnast in Helotes TX.

What is a singular possesive

62. Calculus i need help plz plz

Integrate:Sinxcosx/a^2cos^2(x)+b^2sin^2(x))dx??? plz i need the full working too hard for me

63. Related Rates Calculus

A man 1.8 m tall is walking at a rate of 1.5 m/s away from a streetlight. It is found that the length of his shadow is increasing at a rate of 0.9 m/s. How high above the ground is the streetlight?

64. math

How can \$12,600 be split between two investments, one paying 6% annually and one paying 8% annually so that the interest from the two accounts equals \$864

Which of the following happens when a low-mass star runs out of fuel? Choose all that apply. A. Its core becomes a white dwarf B. Its outer layers form a nebula, or vast cloud of gas and dust C. its outer layers expand, and the star becomes a red giant D.

66. english

how do i change this to active voice: The diagrams were left in the classroom for them to study the vocabulary throughout the week.

67. Algebra

Look at the following points. (4,0), (3,-1),(6,3),(2,-4) Which are solutions to y=x-4? Choose all correct answers.

68. Math

Write an equaivalent expression for the following: c+c+c+c+c+c

Add together these vectors: V1= 60 Newtons at 45 degrees N of W; V2= 5Newtons at 30 degrees S of E Is it 62.25N@40.50 S of E??

70. Algebra 2

Give one example of a situation where you would make a discrete graph and an example of when you will see a continuous graph.

71. MATH

Which two square roots are used to estimate square root 8? 2 and 3 3 and 4 4 and 9 9 and 16 2 x 2 = 4 3 x 3 = 6 ...... 3 x 3 = 6 4 x 4 = 16 ........... 4 x 4 = 16 9 x 9 = 81 .......... 9 x 9 = 81 16 x 16 = 256. So I chose A :)

72. Language Arts

How can acrophobia be used in a sentence?

73. English - Resume Writing

How's this objective statement for a resume? "To acquire a job as a swim coach for advanced students while completing high school."

74. physics

A tennis player standing 13.9 m from the net hits the ball at 3.40° above the horizontal. To clear the net, the ball must rise at least 0.449 m. If the ball just clears the net at the apex of its trajectory, how fast was the ball moving when it left the

75. Math

How many times heavier is a 16 1/2 pound rock than a 10 1/2 pound rock

76. Math

If you would walk around the earths Equator with an average speed of 5 miles per hour, how many days would you need to walk to come back to your starting point?

77. ap chem

if 3.2 kcal of heat is added to 1kg of ice at 0 celcius, how much ice is produced and how much ice is left?

How long it will take for Rs 25000 invested at the rate of 12% per annum simple interest to amount to Rs 31000?

79. math

Given BE = 11, EA = 11, BD = 7, and DC = 7, show that BED ~BAC

80. Chemistry

Write a balanced net ionic reaction for the reduction of cupric ion (Cu2+) by hydroxylamine (NH2OH) in acid solution, using the smallest integer coefficients. Im not too sure of what is reacting here to reduce the Cu2+. Help?

81. college algebra

a cake recipe calls for 1 2/4 cups of sugar. A caterere has 15 1/2 cups of sugar on hand. how many cakes can he make?

82. Ela

I need help coming up with ideas for a fable with the moral self help is the best help . Please help thank you

83. Math

The assignment is Compare Estimated Quotients 1) \$46.35/3 and \$81.35/5 Round \$46.35 to \$50/3=16.666 Round \$81.35 to \$80/5=16 16.666 is greater than 16 2)\$7.27/13 and \$9.08 divided by 19 Round \$7.27 to \$7/13=0.538 Round \$9.08 to \$9/19=0.473 0.538 is greater

84. Math

A square television screen has 19-inch diagonal. How long is a side of the screen, to the nearest tenth? Length of side______ Area_____

85. Math

This math problem is somewhat tricky. It says to write a pair of decimal division expressions, so that when you estimate and compare the quotients, you get 9>3. The below is what I thought of: 18.2/2 and 30.3 divided by 10 18.2 is rounded to 18 so then

86. Vocabulary

What dose instinct mean and photosynthesis , adaptation , and territory mean

87. History

Experts believe that most Native Americans died of diseases like smallpox, typhoid, or diphtheria in the first decades of contact with European settlers. Which statement best explains this phenomenon? Native Americans refused medical treatment from

88. math

a ribbon is three and two third yard long may need to cut the ribbon into pieces that are two third yard long how many pieces can she cut

89. math

Find the value(s) of x for the following. (Enter your answers as a comma-separated list.) f(x) = 6 sin^2 x − 6 cos x, and the interval is 0 is less than or equal to x and x is less than or equal to pi. (a) f(x) has a local maximum or local minimum. local

90. Chemistry

Explain why you are instructed to wash the collected crystals with distilled water instead of a water-methanol mixture.

91. math

A carpenter cut a board that is 144 inches long. He cut pieces 32 inches long. How many pieces did he get and how much of the board was left?

92. Help @Damon

I am not responsible for paying taxes to the British king. Which kind of colonist most likely made this statement? A Loyalist, because most Loyalists believed Britain owed payments to the colonies A British official, because British colonial leaders argued

93. math

Edward's school is 13/2 miles away from his home. He goes by car to school and back. The car consumed 4 gallons of gas taking him to and from school over 5 days. What distance did he travel per gallon of fuel? THANK YOU

94. physics

In the Atwood machine shown in Figure 5.14a, m1 = 2.00 kg and m2 = 8.00 kg. The masses of the pulley and string are negligible by comparison. The pulley turns without friction and the string does not stretch. The lighter object is released with a sharp

95. English

which word fits into the sentence? retreat,rage, enormous, prepare It is important to _____ situation that can become dangerous. ( think it is none, it probably should be "avoid", but was not among the choices.. is "retreat situation" makes sense? anyone?

2/(1+i)^4

97. Math

((1+3i)/(1-2i))^2 i

98. Gov

Can state elections go into runoff?

99. Science

1.)A couple has just learned that their daughter has hemophilia. They already have a son who does not have the disease. What are the genotypes of the couple? Explain your reasoning. ANWSER:They are both likely carriers of the disease, therefore they'd have

asked by Quavo 1/3 of the migos
100. Algebra

your score in one class are 80 and 86. what possible scores can you earn on your next test to have a test average between 83 and 88

101. Math

Donald works 1 3/4 hours a day at a book store. If he is paid \$9 an hour, how much money does he earn in 5 days?

102. features stars

let u={1,2,3 4,...10}A={odd number up to 9}B={number less than 7}write out the members of the following A u B

103. Physics

A 100 grams of bullet is fired from a 10 kg with a speed of 1000 m/s. What is the speed of the recoil of the gun?

104. language arts

I need a sentence using the word motorcycle and nonagon, please.

105. Algebra 2

Give one example of a situation where you would make a discrete graph and an example of when you will see a continuos graph . I need help pls

106. Algebra I

Tommy owes 3000 on his credit card. He is paying 14.5% interest compounded monthly. If it takes him 4 years to pay off the balance, what was the total amount that he ended up paying. Okay, so it gives me the equation a=p(1+r/n)^nt I did 3000(1+.145/12)^48

107. Life orientation

To which peer pressure can impact negetively on intrapersonal conflict

108. Grammar

Is there such thing as "themselve" or "themself" ? Or is it just "themselves"?

109. Math

This math problem is somewhat tricky. It says to write a pair of decimal division expressions, so that when you estimate and compare the quotients, you get 9>3. The below is what I thought of: 18.2/2 and 30.3 divided by 10 18.2 is rounded to 18 so then

110. Physics

"Rocket Man" has a propulsion unit strapped to his back. He starts from rest on the ground, fires the unit, and accelerates straight upward. At a height of 16 m, his speed is 5.0 m/s. His mass, including the propulsion unit, has the approximately constant

111. Language arts

How can I use cardiogram in a sentence?

112. Trigonometery help plz

Show that cos^2(theta)+tan(theta)cosec(theta)=cos??? Show work

113. history

im not sure on this one, Why must conditions, such as the number of signatures required on a petition, established for recall elections? a) To ensure the recall is justified. b) To ensure there is popular support for the recall. c) To make it easier for an

114. Chemistry

Explain the role of CH3CO2Na n the preparation of Fe(C5H7O2)3)3

115. Physics

What is electric potential

An object that is 31 cm in front of a convex mirror has an image located 16 cm behind the mirror. How far behind the mirror is the image located when the object is 24 cm in front of the mirror? do I use the formula 1/f = 1/di + 1/do?? please help

117. Maths..

Uh...Yea... Sorry about this, but I"m trying to study and I need someone to walk me through, missed a lot of school. fyi, when there's a / its under the entire string before it until you hit the inequality symbol. Tony Bowled 135 and 145 in his first two

118. science

If your primers are 25 bases in length and are located at position 520 and 1240 in your sequence, how big a PCR product do you expect? The location positions are for the 3' end of the primers.

119. math

Together, students, Jonah, Damien, and India owe Ms. Caulfield \$150. Write a number sentence to show how much each student owes if they share the debt equally. (Be sure to use negative numbers where appropriate.)

120. physics

During lab students are asked to set up the Atwood's device shown in the diagram below. Mass 1 = 4.50 kg and mass 2 = 2.10 kg. If the distance to the floor, S = 1.20 meters, how much time is needed for mass 1 to reach the floor? please explain how to do

121. Calculus 1

Find the critical numbers of the function. (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) F(x) = x^4/5(x − 1)^2

122. Geometry

A right triangle has exterior angles at each of its acute angles with measures in the ratio 13:14. Find the measure of the smallest interior angle of the triangle. 40 (degrees) 50 (degrees) 130 (degrees) 140 (degrees) Please help? Thanks

123. Physics

A bullet of mass 15 g is fired with an initial speed of 287 m/s into a wooden block that is initially at rest. The bullet becomes lodged in the block, and the bullet and block then slide together on the floor for a distance of 1.4 m before coming to rest

124. Ms. Sue plzz help me with this U.S History

Which legislation justified Britain's taxing American colonists to pay for its war debt? Proclamation of 1763 Stamp Act of 1765 *** Declaratory Acts of 1766 Townshend Acts of 1767

125. History

Select two groups of Native American people from two different areas within the United States. The area you can select from include the North, West, Southwest, Plains, and East/Southeast. Explain how environmental factors influence their homes and food. I

126. math

Factoring Algebra expression using the Distributive Property and factor out 3 3w + 18 3 x 6= 3w 3 (9+ 9) 3x 6= 18

127. math

Given the total cost function: C=16q2 + 10q+36 (where q is the output) Find: (i) values of q for which ATC is falling, and (ii) values of q for which ATC is rising.

128. History @Reed

July 10. We can assure the Public, that Spinning is so much encouraged among us, that a Lady in Town… has within about three Weeks become a very good Spinner, though she never spun a Thread in her Life before." What is the most likely source of this

129. president inauguration

In his Second Inauguration Speech President Obama he directly quote from a document important in American history. What was the document?

130. Math

10x3+7-4x3=99

131. math

a plumber cuts two short pieces of pipe each 37 centimeters long from a piece of pipe that is 1 meter long. how much pipe is left after cutting the two pieces?

132. Chemistry

an object with a mass of 24g and a volume of 32ml is most likely what substance

133. Math

The table shows Marco’s checking account activity for the first week of June. a. Marco wants his total deposits for the month of June to exceed \$1,500. Write and solve an inequality to find how much more he needs to deposit to meet this goal. b. Marco

134. Physics

a body of mass m hung in a particular spring execute shm if period 1seconds What period would be obtained? a,using a body of mass 4m?

135. ai

Ellen drove 240 miles in 3.5hours. To the nearest tenth, find Ellen's average speed in miles per hours

136. stats

for y = 25, what is the estimated value of value of x, from the following data: X: 11 12 15 16 18 19 21 y: 21 15 13 12 11 10 9 a) 15 b)7 c)13.588 d) 14.986

137. stats

(correlation and regression) for y = 25, what is the estimated value of value of x, from the following data: X: 11 12 15 16 18 19 21 y: 21 15 13 12 11 10 9 a) 15 b)7 c)13.588 d) 14.986

138. math

Write one half and two thirds with denominators of 6. Then add the renamed fractions. Write the answer as a mixed number. WORK

139. Chemistry

Explain the role ch3co2na in the preparation of fe(c5h7o2)3

140. e

if 3 i subtracted from a number and reminder is multiplied by 13, the product becomes 91.find the number.

141. chemistry

Given 20g of benzoic acid contaminated with 0.4g of salicytic acid. 1)Determine the volume of hot water required to dissolve the mass of acid. 2)Calculate the mass of benzoic acid which participates when the solution is cooled to 20°C. Deduce. 3)Calculate

142. d

divide 120 into two parts , so that thrice the smaller one is equal to twice the larger one.

143. Math

A painter earns \$15 per hour. what is the minimum number of hours he must work to earn at least \$200? write an inequality to represent this situation and solve.

144. History @Reed

Which legislation justified Britain's taxing American colonists to pay for its war debt? Proclamation of 1763 Stamp Act of 1765 Declaratory Acts of 1766 Townshend Acts of 1767 I think its B or D

145. h

the sum of the ages of mira and shaeena , is 40 years.after 10 years , mira will be twice as old as shaheena.find their present present ages.

146. Math

I have an assignment and it is Compare Estimated Quotients. Estimate each quotient. Then write < or > in the circle to compare each pair of estimates. Please let me know how I would begin estimating decimal division? 76.3 divded by 8 and 37.6 divided by 7

147. Quick physics check

Add together these vectors: V1= 60 Newtons at 45 degrees N of W; V2= 5Newtons at 30 degrees S of E Is it 62.25N@40.50 S of E??

148. Science

How will you triple volume of an ideal gas in value? Please explain your answer using the ideal gas law (PV = n RT). I figure that you simply multiply everything by three but Im not 100% that's correct.

149. organic chemistry

How to find the volume of hot water required to dissolve the mass of acid, if we have 20g of benzoic acid contaminated with 0.4g of salicylic acid? What is the mass of benzoic acid which participates when the solution is cooled to 20°C? Deduce. What is

150. statistics

Mamma temte bakes six pies a day that cost \$2. on 15% of the days she sells 3 pies, on 30% of the days she sells 4. On 55% of the days she sells six pies, if mama temte sells her pies for \$6 each, what is her expected profit for a days worth of

151. m

3 is subtracted from a number and exceed twice of a number.find the number

152. Math

A flea 1/16 of an inch tall can jump 9 3/8 inches high. If a person five feet tall could jump like a flea, how high could she jump?

153. Algebra

Bambi is restoring a clock with a broken gear. A fragment of the small gear has 5 teeth . a larger unbroken gear has 18 teeth and is 2cm in dia.She knows that for every 2 times the large gear turns the smaller gear turns 3 times. How much cm of the

154. Math1

the largest land carnivore is the Alaskan brown bear. It can weigh 1300 pounds but a newborn cub only weighs about about one pound. A typical human weighs about 150 pounds and newborn human typically weighs about 7 pounds. Of human babies were

155. Vector resultant angles

F1 has a magnitude of 9N acting due west, and F2 has a magnitude of 12 N. I know the magnitude is 15 but I don't know the angle and how to calculate it. I need a lot of help for calculating resultant angles.

156. Math!

Uh...Yea... Sorry about this, but I"m trying to study and I need someone to walk me through, missed a lot of school. fyi, when there's a / its under the entire string before it until you hit the inequality symbol. Tony Bowled 135 and 145 in his first two

157. Math

A bag of trail mix has 10 grams of raisins for every 6 grams of sunflower in 400 grams of trail mix how many grams of rasins

158. Physics

How much energy is released when 250 kg of anthracite coal burns

159. ochs

a farmer sells 2/5of his cattle,he gave 1/3 of the cattle to his remaining son.what fraction of the cattle is left?

160. history

cabeza de vaca describe texas as being (1 point) A) a barren desert B)wet and swampy C)cold and ugly D) very fertile

161. Chemistry

Suppose you suspect that your unknown is either copper (II) nitrate or copper (II) sulfate. You decide to add NaOH to your known as a test reagent. Will this test distinguish between the two possibilities? If not, could you suggest a different test?

162. Math

The cost for a business to make greeting cards can be divided into one-time cost (e.g., a printing machine) and repeated costs (e.g., ink and paper). Suppose the total cost to make 30 cards is \$800, and the total cost to make 550 cards is \$1,300. What is

163. Math

A box of 24 ornaments contain 3/4 red ornaments. How many red ornaments are in the box? How many ornaments are another color than red?

164. mathematics literacy,CAT,economics,accounting

Can i study to be a economist with thesr subjects?

165. English

1. But at the ticket office he learns that it's leaving early - that evening. 2. It leaves tonight - but without Fogg! (It refers to the ship, 'the Carnatic.') ----------------- In each sentence "-" is used. What is the role of the "-" in the sentences?

166. Math

Express 3(cos 232degree + i sin 232degree) in rectangular form

167. English

1. On the train going to Calcutta, she speaks for the first time. 2. On the train which goes to Calcutta, she speaks for the first time. 3. On the train which is going to Calcutta, she speaks for the first time. =================== Does #1 mean #2 or #3?

168. Math

I have more math problems that I will to figure out. 2) 3.1 divided by 4 and 6.4 divided by 9 Estimate 3.1 which would be 3 Estimate 6.4 which would be 6 3 divided by 4 and 6 divided by 9 This one I am totally confused about. The only other way I can think

What is the answer on a deadly explosion at Chernobyl. The question is complete the sentence -------help to reduce radioactive pollution by.....

170. biology

The American curl is a breed of cat that has curly ears. The allele for curly ears is dominant. Suppose a male cat with the heterozygous genotype is bred to a female cat with the homozygous recessive genotype. Predict the number of kittens that will have

171. chemistry

A volume (54.2 L) of gas at 1150 mmHg is subjected to a new pressure of 3450 mmHg, at constant temperature. What volume in liters (L) does the gas now occupy

172. history

coronado's troops often lost their way in texas because a)the grass stood up straight after they walked upon it b)they failed to leave signs as they went. C)the plains were so level that the sky appeared "like a bowl" d)buffalo trampled their tracks.

173. astronomy

The orbit of the comet Encke has a perihelion distance of 0.331 AU and an eccentricity of 0.850. Suppose that the arrival of the comet at its perihelion distance happens to occur at a point directly in line between the Sun and the Earth. Roughly how many

175. History @Reed

Which answer best describes part of James Otis' role in the Revolutionary Period? Otis supported the idea that each colony would have its own legal system.**** Otis opposed the British practice of executing searches without warrants. Otis opposed the

176. Math

Please this one is kind of tricky here's the question which digit in 12,345 has the same place value as the 6 in 67.89? please my daddy and mommy are gone now and i don't know what to do please help me Ms.Sue ]-;

177. Physics

A car is stationary at a stop sign when it is hit directly from behind by a truck of mass 3000kg which was travelling at a speed of 9 m/s immediately before the collision. The two vehicles lock together and move forward with an initial speed of 6 m/s. a)

178. Math

The assignment is Compare Estimated Quotients. 3) 654.3/82 and 289.5/31 654/82 and 290/31 654/82=7 and 290/31=8 So 7 is less than 8 Please let me know if I am correct on this or not.

179. Physics

A car is stationary at a stop sign when it is hit directly from behind by a truck of mass 3000kg which was travelling at a speed of 9 m/s immediately before the collision. The two vehicles lock together and move forward with an initial speed of 6 m/s. a)

180. Language

How to diagram this sentence. I don't like basketball.

181. maths

a farmer sells 2/5of his cattle,he gave 1/3 of the cattle to his remaining son.what fraction of the cattle is left?

182. UNN

A company manufacture two products x snd y by means of two processes A and B .The maxinum capacity of processes A is 1750hours snd of process B 400.each unit of product X require 3 hours in A and 2hours in B while each unit of product Y requires 1 hour in

183. Algebra 2

Give one example of a situation where you would make a discrete graph and an example of when you will se a continuous graph.

184. math

Casey got 94 got of the 100 questions answered correctly how many percent of the questions did she answer correctly

185. hitory game questions plz help

1.What did the spanish do in response to la salle's activities? A)gave up their claims in texas B)shifted their focus to east texas C)attacked the french settlers**** D)tried to sign a traety with the french 2.the spanish soldiers who sought welth and

186. math

Sharon spent \$2 on a magazine; then she spent half of the rest of her money on shoes. She spent half of her remaining money on lunch. She has \$12 left. How much money did sharon start with?

187. Math

a manufacturer has daily production costs of C=4000-30x+0.5x where C is the total cost in dollars and x is the number of units produced. (a) How many units should be produced each day to yield a minimum cost? (b) What is the minimum cost?

188. maths

Raziel kicks a soccer ball 25 yards and it hits the goal 30 seconds.what is the speed of the ball on second ?

189. Statistics

A restaraunt offers a dinner special that lets you choose from 10 entrees, 8 side dishes, and 13 deserts. You can choose one entree, two side dishes, and one desert. How many different meals are possible?

190. Statistics

At the end of the Halloween Festival the organizers estimated that a family of participants spent an average \$45.00 with a standard deviation of \$12.00. What’s the probability that the mean amount spent will be between \$20 and \$30?

191. English

1. Fogg and Passepartout go to Allahabad by elephant. 2. Fogg and Passepartout go to Allahabad by the elephant. 3. Fogg and Passepartout go to Allahabad on an elephant. 4. Fogg and Passepartout go to Allahabad on the elephant. ============================

192. Math

(-1+i 3^1/2)^12 using moivre's theorem

193. Proportion

A flea 1/16 of an inch tall can jump 9 3/8 inches high. If a person five feet tall could jump like a flea, how high could she jump? Careful: Feet are not inches.

194. sci

In humans, the developing embryo receives nutrients and oxygen through a tube called the

asked by Quavo 1/3 of the migos
195. Math

If I have to compare the below estimated quotient: 98.4/4 and 62.8/3 Would I estimate 98.4 to 98? Would I estimate 62.8 to 63? Then do: 98/4=24.5 63/3=21 So 98.4 would be greater than 62.8 Would this be correct?

196. Math

Beth's car has a gas tank that can hold 15 gallons of gas. Her car uses 1/30 of a gallon of gas per mile driven. Darcy's car has a gas tank that can hold 16 gallons of gas. His car uses 1/25 of a gallon of gas per mile driven. Both cars start with full

197. history needing ms. sue

PLEASE HELP ME I REALLY NEED HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! 10. Why did the Regulators form in the Up Country and not in the Low Country? (1 point) a. The Low Country had sheriffs and established courts to deal with outlaws. b.

198. Statistics

the heights of young women are approximately Normal with 65 inches and standard deviation 2.5 inches. The heights of men in the same age group have mean 70 inches standard deviation 2 inches. What percentage of women are taller than a man of average (mean)

199. Math2

The scale of a globe is 1/8 inch= 125 miles. How many inches is the circumference of that globe? Hint 1: Circumference means distance around. Hint 2: Use 25,000 miles for the circumference of the Earth.

200. Chemistry

You discover a chunk of white shiny metal and want to know what it is made of. So, you have it analyzed by mass spectrometry and you see two peaks of different heights, according to the data shown below: Peak 1 - mass (amu): 106.90509 -relative peak height

201. HEALTH

The food molecules that cannot be ________ need to be eliminated from the body.

202. Math

There are 40 yellow and blue marbles in a bag. There are 4 times as many blue marbles as yellow marbles. How many yellow marbles are there? 5 How many blue marbles are there? 35

203. chemistry

An intercontinental ballistic missile (ICBM) travels at an average speed of 7.03km/sec. The missile contains 459.0Mg of fuel. The fuel is burned at a rate of 313 pounds per second. What would be the maximum distance (in km) the missile could travel until

204. Math

Uh...Yea... Sorry about this, but I"m trying to study and I need someone to walk me through, missed a lot of school. fyi, when there's a / its under the entire string before it until you hit the inequality symbol. Tony Bowled 135 and 145 in his first two

205. math

A deep-sea diver descends below the surface of the water at a rate of 60 feet each minute. What is the depth of the diver after 10 minutes? Write a number sentence to show your answer.

206. Chemistry

Please check the following. 1. What is the empirical formula of the compound C6O6H14? A. C3O3H7 B. CO2H C. C12O12H28 D. COH2 My answer: A.C3O3H7 2. The diameter of an atom is approximately 1x10^-10 meter. What is the diameter in millimeters? A. 1 x10^-12

207. Vector resultant angles help

F1 has a magnitude of 9N acting due west, and F2 has a magnitude of 12 N. I know the magnitude is 15 but I don't know the angle and how to calculate it. I need a lot of help for calculating resultant angles.

2/3+2/15

209. Science

Animals with nerve nets have: A:No specialized neurons B:Sensory neurons but n inter neurons C:Inter neurons but no sensory neurons D:Only motor neurons

asked by ZaCari. Need Help Now
210. History @Reed

Which of the following Founding Fathers is described by this list? -helped organize the Sons of Liberty -organized the Boston Tea Party -used propaganda to describe the Boston Massacre George Washington John Adams**** Samuel Adams Thomas Jefferson

211. algebra

four times the sum of3 and a number yields the difference between 15 and 5 times the number

212. Chemistry

Briefly explain the role of CH3CO2Na in the preparation of Fe(C5H7O2)3.

213. math

A and B can do a piece of work in 12 days. They started to work together but A left after a few days. If B alone worked for 20 days, the whole work was finished in 24 days. How long would A take to complete the work??? question is really confusing :/

214. PHYSICS

A salesperson leaves the office and drives 26 km north along a straight highway. A turn is made onto a highway that leads in a direction of 60 degrees. The driver continues on the highway for a distance of 62 km and then stops. What is the total

215. English

Is "Around the World in Eighty Days" a historical novel? It was written by Jules Verne.

216. science

A person sits in a chair 3m from a wall on which hangs a plane mirror.Three meters directly behind him stands a woman 1.6m tall.What minimum height of plane mirror on the wall will enable him to see the woman's full height?

217. English

Passepartout wants to buy three tickets on the Carnatic(the name of the ship). ================= Does this sentence mean that he wants to buy the tickets on/in the ship? Is the ticket office on the ship? Or does he want to buy three tickets about the

218. Math

X = 17 + 16 x = 33 Am I right?

219. Chemistry

How would using 0.42 grams CH3CO2Na times 3H2O instead of the amount called for in the procedure change the theoretical yield of Fe(C5H7O2)3? Briefly explain. We used 5 grams of CH3CO2Na times 3H2O.

220. Chemistry

if a photon of light has an energy of 2.35x10^-19 J, calculate the frequency and wave length. What solution do I use to get the answer?

221. Physics

From what height would a car weighing 9990 N have to fall to gain the kinetic energy equivalent to what it would have when traveling 64.87 mi/hr?

222. Social Studies

nation state a and nation state b share a border. the two nation-states are arguing over immigration policies regarding the border. what are two ways that the nation-sates could resolve their dispute?

223. Trig

mercury rotates around the sun in approx. 89 earth days (or 7,689,600 s. use a calculator to approximate its angular speed. choices: 4.09x10^-7 0.035 0.071 8.17x10^-7

How did the success of the civil rights movement and abolishment of slavery open doors to the election of the first Black American President of the United States, Barack Obama? I don't know how to answer this! PLEASE HELP ASAP!

225. grammar

Gardeners must thanks worms and bees for beautiful flowers. What would be the direct objects in this sentence?

226. trig

an electric hoist is used to life a piece of equipment y = 2.6 feet. the diameter on the hoist is x = 12 inches. find the number of degrees through which the drum must rotate (round to the nearest integer). *I do apologize, there is a figure in my

227. math

It takes a submarine 11 minutes to dive 154 meters below sea level. If the submarine dives at a constant speed, how much does its depth change per minute?

228. Trigonometry

A lean-to is a simple shelter with three walls, a sloping roof, and an open front facing away from the prevailing winds. The back wall is short compared to the front opening. If the lean-to at a campsite has a front opening that is 7.0 ft tall, a back wall

229. community secondary

find hydrogen and hydroxide ion concetration

230. social studies

the word citizenship most closely means?

231. Grammar

What is the direct object of the sentence? Gardeners must thank worms and bees for beautiful flowers.

232. Algebra 1

A car travels at a rate of 75 miles per hour. How many feet per minutes is this?

233. Algebra

Is (0,3) a solution to the equation y=x+3? yes no Is (1,-4) a solution to the equation y=-2x? yes no I need help finding the answer. I don't know how to.

234. language arts

What sentences can you make using the words electronic and tricycle?

235. Physics

The following conversion equivalents are given 1m=100th 1in=2,5th 1ft=12th A bin has a volume of 1.5 to the 3rd power. The volume of the bin, in ft to the 3rd power, is closet to

236. Physics

If a ball has a weight of 6.8N what is the centripetal force of the string

237. Physics

You know you should not have bought the "MRI in a Box" kit from the Home Shopping Channel. Its main solenoid is supposed to have a radius of r=0.28 m, a length of L=0.1 m, and 12000 windings. The wire they give you has a resistance of 13 mΩ per meter.

27÷3

239. Spelling

How do you spell Wensday?????

asked by WEGymnast in Helotes TX
240. Math

You have 10 yards of fabric. One pillow case requires 1 1/4 yards of fabric. How many pillow-cases can you make?

241. Science

Factors that can be changed in an experiment

242. science

name two ways that air gets heated

243. Chemistry

What volume of 0.159 M Na3PO4 solution is necessary to completely react with 92.6 mL of 0.119 M CuCl2?

244. Math

All right Cone has the volume of 333 yd.³ if a right cylinder had the same height and base what would be the volume off the cylinder?

245. Quick english check

Used alloyed, comprehend, comprised, cower, empathize, formidable, homogeneous, partisan, ponderous, and wary to complete these sentences. Please correct me if I'm wrong! 1. Winston Churchill wrote of the fascination people have for "the tiny things, the

246. math

Peter sold watches (\$7) and necklaces (\$4) at a flea market. Total sales were \$300. People bought 3 times as many watches as necklaces. How many of each did Peter sell? What were the total dollar sales of each?

247. math

A scale shows that four bananas weigh 2 lbs. Each banana weighs the same amount. If Molly wants to buy a total of 5 pounds of bananas, how many more bananas does she need to add to the scale? How many TOTAL bananas will she purchase?

248. Math

A square television screen has 19-inch diagonal. How long is a side of the screen, to the nearest tenth? Length of side______ Area_____

249. Math

How many cups are in 9 quartz if there are 4 cups in one quart?

250. math

The length of a rectangle is 3 cm less than twice its width. If the length is decreased by 2 cm and the width is decreased by 1 cm, the perimeter will be 24 cm. find the dimensions of the original rectangle. Find X, 'find equation, and find answer plz.

251. math

sam runs around a rectangular field 4 times a week. The field is 320 meters long and 240 meters wide. He runs 6 laps each time. What distance does he run in a week'

8 - (-n) = 1

253. college algebra

21/3 cups tomato sauce makes dnough sauce for seven people. how much tomato sauce for one serving