1. physics

An isolated capacitor of unknown capacitance has been charged to a potential difference of 100 V. When the charged capacitor is then connected in parallel to an un- charged 10.0 μF capacitor, the potential difference across the combination is 30.0 V.

2. geometry(is this right?)

Find the image vertices for a dilation with center (0 0) and a scale factor of 4 (-3,1)x4=-12,4 (-1,4)x4=5,6 (2,3)x4=9,2 (4,-3)x4=4

3. chemistry

A is a solution of trioxonitrate(v) acid, HNO3, of unknown concentration. B is standard solution of sodium hydroxide containing 4.00g per dm3 of solution. 25cm3 portions solution B required an average of 24.00cm3 of solution A for neutralization, using

4. Math

1. Determine whether the two figures are similar. If so, give the similarity ratio of the smaller figure to the larger figure. The figures are not drawn to scale. Figure One: (CYLINDER) Height is 9.9 and radius is 1.3 Figure Two: (CYLINDER) Height is 23.76

5. Algebra

The admission fee at a local zoo is \$1.50 for children and \$4.00 for adults. On a certain day, 2200 people enter the zoo and \$4,550.00 is collected. How many children and how many adults attended?

6. history

Excerpt from Douglas’s speech: "I believe that the Union can only be preserved by maintaining inviolate the Constitution of the United States as our fathers have made it. That Constitution guarantees to the people of every State the right to have slavery

7. linear-equations-in-one-variable

the length of a rectangle exceeds its breadth by 4 cm. if length and breadth are each increased by 3 cm, the area of the new rectangle will be 81 cm sqsq morthan that of the given rectangle. find the length and breadth of the given rectangle.

8. Algebra

Water coming out from a fountain is modeled by the function f(x)= -x^2+5x+4 where f(x) represents the height, in feet, of the water from the fountain at different times x, in seconds. What does the average rate of change of f(x) from x=3 to x=5 represent?

9. Math

Cuboid has a length 13cm width 9cm and height 8cm calculate the surface area

10. statistics

2. At a local university, a sample of 49 evening students was selected in order to determine whether the average age of the evening students is significantly different from 21. The average age of the students in the sample was 23 years. The population

11. math

what is the missing value to the nearest hundredth? tan [] = 12 I really need some help. I don't understand this :(

12. English

Luther Burbank /devolved/ more than 800 new plant varieties future present past*** future perfect This recipe /will produce/ two dozen chocolate chip cookies past future perfect*** present future Since his injury at the track meet, Liam /favors/ his right

13. Chemistry

A 1.0L of an aqueous solution of ethylene glycol, HOCH2CH2OH, is 60% HOCH2CH2OH by mass and has a density of 1.15 g/mL. Calculate the morality of the solution.

14. Calculus

Find the area of the region bounded by the curves y = x^(-1/2), y = x^(–2), y = 1, and y = 3. a) (1/2)(3)^1/2 + (4/3) b) 2*(3)^1/2 - (8/3) c) (1/2)(3)^1/2 - (32/3) d) 2*(3)^1/2 - (32/3) e) (8/3) - 2*(3)^1/2 So one thing that is throwing me off on this

15. American History

Compare the civil reform of the 1800's to social reform today. civil reform of the 1800's led to the passing of the Pendleton Act of 1833 that gave government jobs based on qualification of the candidate, and not political belief. Social reform today seeks

16. Walk to moons

10.Read the following passage from walk to moons “Everybody is just walking along concerned with his own problems, his own life, his own worries. And we’re all expecting other people to tune into our own agenda.” Think about the how this theme is

17. geometry

If rectangle ABCD has vertices A(6, 2), B(2, 2), and C(0, 6), explain how to find the coordinate for the fourth vertex. Then describe how to verify that the angles of ABCD are right angles.

18. Math

A 20 m vertical telephone pole is standing on a 15 degree slope. One guy wire is attached 30 m up the slope and another guy wire is attached 30 m down the slope. What is the length of the guy wire attached down the slope? I don't understand the question or

19. geometry

It is the same distance from second base to first base, and from second base to third base. The angle formed by first base, second base, and home plate has the same measure as the angle formed by third base, second base, and home plate. What can you

21. Math

One mile is equal to 5280 feet. You've walked 0.20 mile on a track. How many feet have you walked

22. Algebra

The oldest child in a family of four children is twice as old as the youngest. The two middle children are 12 and 15 years old. If the average age of the children is 13.5, how old is the youngest child?

23. Language Arts

.2 Based on what you know about feelings between the American and Chinese communities, which of the following is likely to occur? Moon Shadow will excel in an American school setting.* Father will save enough money to bring mother and Grandmother over from

24. physics

A car is travelling along the road at 8m/s.IT accelerates at 1m/s for a distance of 18m.how fast is it then travelling?

25. Algebra

The Connecticut River flows at a rate of 3 km / hour for the length of a popular scenic route. If a cruiser to travels 3 hours with the current to reach a drop-off point, but the return trip against the same current took 7 hours. Find the speed of the boat

26. algebra

It is known that a certain function is an indirect proportion. Find the formula for this function if it is known that the function is equal to 12 when the independent variable is equal to 2.

27. physics

A metal rod is forced to move with constant velocity along two parallel metal rails, connected with a strip of metal at one end. A magnetic field of magnitude B = 0:350 T points out of the page. a) If the rails are separated by L = 25.0 cm and the speed of

28. chemistry

A 2.00 L flask is filled with propane gas (C3H8)at 1.00 atm and -15.0 Degrees Celsius. What is the mass of the propane in the flask?

29. math

Springfield has an elevation of −150 feet. Greenville is 3 times as far below sea level as Springfield. What is Greenville’s elevation, in feet? is the answer -50 feet

30. Pre-Calc

Verify the identity. Show your work. cot2x + csc2x = 2csc2x - 1 1+cosec^2x +cosec^2x Cot^2x+cosec^x= 1+2 cosec^2x Would this be correct?

31. Calc-Math

y^2+xy-3x=-5 dy/dt=-4 x=3 y=1 find dx/dt. i tried doing 2y(dy/dt)+ydx/dt-3=0 but i am not getting the right answer. Please tell me where i am going wrong.

32. civics

A nation with an oligarchy form of government has what?

33. maths

Kara is mixing paint. Each batch has twice as much blue paint as yellow paint. Plot points to represent the amount of blue and yellow paint in three different-sized batches.

34. Physics

A rock is thrown straight up at 22.0 m/s from a roof of a 30.0 m tall building. After rising, the rock falls on the street below. Ignoring air resistance, how much time is the rock in the air? Show the work please :)

35. Financial Math

6 character computer password is made up of 4 numbers followed by 2 letters. How many different passwords are possible?

36. math

the population of a town was 50000 in 1990. in 2000 it rose to 80000. find the percentage increase of the population.

37. physics

A wire has a resistance of R. What will the wire's resistance be if it is stretched to four times its original length without changing the volume of the wire? (Express in terms of R.) R=V/I; 4R=V/I; R=V/(I/4) I think this is right? help please.

38. maths

An expression is shown. 15.5 + (−16.75) What is the value of the expression? Is it -1.25

39. Algebra

Randall wants to mix 41 lb of nuts worth ​\$2 per lb with some nuts worth ​\$8 per lb to make a mixture worth ​\$7 per lb. How many pounds of ​\$8 nuts must he​ use? Pounds of nuts-cost per pound-total cost 41-\$2-? x-\$8-? ?-\$7-? There is a chart and

40. Algebra

A 154 lb person burns 420 calories per hour riding an exercise bike at a rate of 15 mph. Write a function rule to represent the total calories burned over time by that person. Explain how the information in the problem relates to the function.

41. math

The cost of a student ticket to the school play is \$7. Write an equation that correctly relates the total cost, c, for a particular number, s, of student tickets purchased. Identify the independent and dependent variables.

42. English

We have several beautiful places here in Busan. I would like to intorduce two of them. One is Shinsege Department Store. Many people visit the department store to buy things. The sidewalks near the department store is crowded with people. There is a

43. check my 3 world history answers

2. All of the following were results of the Supreme Court's decision in Brown v. Board of Education EXCEPT: Schools were to be integrated "with all deliberate speed"**** Sit-ins and boycotts were declared illegal 7. All of the following were part of the

44. English

Anyone who has read About Rusell During the greatest kickball game ever, Russell scores the winning point leaves with the ball*** causes his team to lose starts an argument, ending the game When Rita beats Russell at chess, she is amazed that he

45. English

Anyone who has read I want to be Miss America The sisters were being groomed to be dutiful daughters and wives enter beauty contests*** got to college start jobs right after high school What effect does the "ethnic look" in American fashion have on the

46. CHECK MY WORLD HISTORY ANSWERS

STAR* at end of question and multiple stars*** at the end of my answer 1. Timothy Leary, communes, and the Haight-Ashbury district of San Francisco were all part of? * Detente Counterculture***** Silent majority Realpolitik 2. Identify a goal of the second

47. trigonometry

Verify that sec(θ)/csc(θ)-cot(θ) - sec(θ)/csc(θ)-cot(θ) = 2csc(θ) is an identity. can some help me through this? thank you!

48. geometry

Is one flag a translation image of the other, or rotation image? Explain. is is translation?

Are there any books that are about greedy people that change? Other than Christmas Carol because I'm trying to write a compare and contrast paragraph.

50. Math

Scary guy is going to use 22/7 to find the exact circumference. He is wrong. Why?

51. Math

A rock falls straight down from a height of 10 m. How long will it take the rock to hit the ground?

52. MATHS

A plane is flying at 31,348 feet. It needs to rise to 36,000 feet in two stages. In stage 1, it rises 5% of its initial altitude of 31,348 feet. In stage 2, it rises at a rate of 140.3 feet per minute. How many minutes does it take for the plane to rise

53. pre-algebra

is (-1, 5) a solution to 2 x = y - 7 and 2 y = - x + 9

54. MATHS

The dimension of a rectangular pool are 24.5 feet by 13 feet. The depth of the water is 4 feet. Each cubic foot contains 7.48 gallons of water. How many gallons of water to the nearest tenth, are needed to fill the pool to 80% capacity

55. Algebra

64^10/64^5 64^10/5 64^50 64^15 64^5******** pls help thanks

56. English

People who don’t know Harry tend to underestimate him. They cast a skeptical eye on his typical outfit: ragged jeans and shirts that bear evidence of his most recent meal. And his most frequently uttered expression, “Waaaal, I just don’t know,” can

57. economics

suppose Y=100 is fixed,suppose the consumption function is c(Y-T)=20+M(Y-T), where M is constant between 0&1,suppose the investment function is I(r)=30-50r,suppose we leave G&T as un specified constant.drive equilibrium interest rate&predict effect of

58. calculus-help.. .Me

if y=e^(-kt)[Acosh(qt)+Bsinh(qt)] where A,B,q and k are constant show that d^2y/dt^2+2kdy/dt+(k^2-q^2)y=0 step plz thanks

59. Chemistry

At 100 degrees C, pure H2O has a vapor pressure of 760 torr. An aqueous solution has a concentration of 1.90 M MgCl2. The van't Hoff factor is 2.45. The density of the solution is 1.09 g/mL. Calculate the vapor pressure of the solution.

60. Physics

I'm confused about this question: "A car traveling at 60 mi/h stops in 6 seconds. How far does it travel during this time?" I can't figure out what formula to use, or how to begin solving this.

61. Math

In a group of 10boys each boy had 2 hats how many hats did they have?

62. Math-Algebra

A family is building a circular fountain in the backyard. The yard is rectangular and measures 7x by 6x and the fountain is going to be circular with a radius of 2x. Once the fountain is built, what will be the area of the remaining yard? Can someone

63. Maths

I am a 3 digit number with no os.the ones place is odd.the sum of the ones and tens place is 9 .I have a 8 in hundreds place wo am I ?

65. German

Can someone please check my German? _____ du die Fragen? A.Beantwortest B.Fragtest

66. english

We are often judged by what we do

67. math

V = \$20,000 - \$2,500x describes the value in dollars of a certain model of car after it is x years old

68. Health

a person can become dehydrated when wearing heavy clothing during aerobic exercise in warm weather true** false

69. English

1. I am so stressed out. 2. I am so stressed. (What is the differrence between them? Does 'out' mean 'completely'?) 3. But Nikki has a childlike innocence. 4. But Nikki has a childish innocence. (#3 is right, but how about #4?) 5. I didn't think you were

70. English

What does the script, or text, of a play contain? A. an essay by the playwright on the theme B. dialogue and stage directions C. the list of cast members for the first performance D. the soliloquies of the major characters My answer is B

71. Health

_____are the result of an injury to a ligament DOMS Muscle sprain Muscle strain*** Overuse injury _______ Is the result of an injury to either a muscle or a tendon DOMS Muscle sprain*** Muscle strain Overuse injury

72. Math

A 2-digit number is twice the difference of its digits. What is the number?

73. my son's math help please

Aaron baked two identical cakes.He cut one into 9 equal slices and the other into 18 equal slices.Which is greater 2/3 of the 9 slice cake or 1/3 of the 18 slice cake?

74. Bullok

Write a balance equation or Co2 and C4

75. English

Which of the following best defines props in drama? A. painted backdrops that can be used in several scenes B. movable objects used by actors onstage C. asides by actors to the audience D. tragic flaws The answer is:B

76. english

Which of the following correctly defines blank verse? A. poetry with no structure or rhyme B. a type of long poem often used for plays C. a type of rhymed poetry Shakespeare uses throughout his plays D. unrhymed verse written in iambic pentameter i think

77. Algrebra Help!

What are the first four terms of the sequence represented by the expression n(n - 2) - 3?

78. World History

The enlightenment of most African nations came after WW 2. Is this true?

79. Calculus

Design an Advanced U substitution problem whose answer must be exactly 6 and can be solved without using calculator?

80. algebra

simplify (x+3/√2-3x)

81. math

Megan and Jake both live on the same street that the library is on. Jake - 4.5kms from the library Megan is 5.5kms from the library How many kilometers (km) apart do Megan and Jake live?

82. CHEMISTRY

THE BASICITY OF TETRAOXOSULPHATE6 ACID IS 2.EXPLAIN THE STATEMENT WITH EQU SHOWING REACTION BTW ACID&POTASRGUM HYDROXIDE

83. Math-Calc

Water is leaking out of an inverted conical tank at a rate of 14000.0 cubic centimeters per min at the same time that water is being pumped into the tank at a constant rate. The tank has height 8 meters and the diameter at the top is 6.5 meters. If the

84. math

If 35% of people surveyed prefer orange to apples.Out of 475 people surveyed how many can be predicted to prefer orange

85. Pre-Algrebra

3. 2x^2+6x-7x+8-3x^2+1 A. 2x^2+x+9 B. -2x^2-x-9 C. -x^2-x+9 D. x^2+9 4. What are the coefficents in the polynomial 4x^2+3x-3 A. 4,-3,-3 B. 4,3 C. 4,3,3 D. -4,-3 6. (7x^2-x-2)-(6x^3+3) A. 6x^3-+7x^2-x-5 B. -6x^3+7x^2-x+1 C. -x^3-x-5 D. x^2-x+1 7. Suppose

86. Physics

Heat is added to a system, and the system does 35.0 J of work. If the internal energy increases by 17.0 J, how much heat was added to the system?

87. MATHS

The sum of 𝑎 and 𝑏 is c. The number line shows 𝑎 and 𝑏. _____________b____0_______________a_ Which statements about c are true? □ |𝑎| < |𝑐| □ |𝑎| = |𝑐| □ |𝑎| > |𝑐| □ 𝑐 < 0 □ 𝑐 = 0 □ 𝑐 > 0

88. Pre-Calc

For the data set shown by the table, a. Create a scatter plot for the data. (You do not need to submit the scatter plot) b. Use the scatter plot to determine whether an exponential function or a logarithmic function is the best choice for modeling the

89. MATHS

Sandy uses 2/7 of a pound of raisins in each batch of raisin bread. Yesterday, Sandy used 5/7 of a pound of raisins. How many batches of raisin bread did Sandy make yesterday?

90. lang arts

Think about the work you completed in your reading role. Determine the ideas that would be most worthy to share in a literary discussion about The Giver. Provide an explanation for your choices. How did the role you selected and the work you completed help

91. Precal/math

for composite functions i have a graph of f(x) and g(x) and i have to find (f⋅g)(0) so is that when f and g is 0 on the x or y?

92. CHEMISTRY

WHEN THE PH IS 4.0 WHAT IS THE COLOUR OF THE INDICATOR

93. CHEMISTRY

USING EQUATION SHOW HOW AQUEOUS SOLUTION OF HYDROCHLORIC ACID CONTAINING HYDROXONIUM ION NEUTRALISED POTASSIUM HYDROXIDE

94. Math

A rectangle is bounded by the x-axis, the y-axis, and the line y = (4-x)/4. Find the maximum area of such a rectangle.

95. Math help ;-;

Solve the equation. Check your answer. 5x-4(x+9)=2x-3 can anyone help me how to do this plz ;-; sorry

96. Pre-Calc

Find the vertical asymptotes, if any, of the graph of the rational function. Show your work. f(x) = (x-4)/(x(x-4)) How would I show my work? the x-4 cancel out and I am left with 1/x. The vertical asymp. is x= 0

97. MATHS

Joe and Scott equally share a pizza. If Scott eats 1/2 of his portion of the pizza, what fraction of the whole pizza does he eat?

98. MATHS

In Homestead, 2/5 of the households own pets. Of the households with pets, 1/3 have cats. What fraction of the households in Homestead own cats?

99. science

A ray of light travels from Liquid helium (n=1.03) into a second material. You gradually increase the angle of incidence until, at 83.6°, the light no longer passes into the second material. What is the index of refraction of the second material?

100. MATHS

Springfield has an elevation of −150 feet. Greenville is 3 times as far below sea level as Springfield. What is Greenville’s elevation, in feet?

101. math

1. (m^2-m+3)+(m-1) a. m^2-m-2 b. m^2+2** c. m^2-2 d. m^2+m+2 2. (5x^2+x-3)-(-2x^3+4) a. -2x^3+5x^2+x-7 b. -2x^3+5x^2+x+1 c. 2x^3+5x^2+x-7*

102. math

1. (m^2-m+3)+(m-1) a. m^2-m-2** b. m^2+2 c. m^2-2 d. m^2+m+2 2. (5x^2+x-3)-(-2x^3+4) a. -2x^3+5x^2+x-7 b. -2x^3+5x^2+x+1** c. 2x^3+5x^2+x-7 d. 2x^3+5x^2+x+1 3. f^2*f^3 a. f^5** b. f^6 c. (2f)^5 d. (2f)^6 4. 64^10/64^5 a.64 10/5 b.64^50 c.64^15** d.64^5 5.

103. Math

A 2-digit number is twice the difference of its digits. What is the number?

104. Language arts

The dragon within?

105. English

What is the principal part of the underlined verb in the sentence? My friend Sam is moving into a bigger house across town. A. present B. present participle C. past D. past participle

106. History

Compare the civil reform of the 1800's to social reform today. civil reform of the 1800's led to the passing of the Pendleton Act of 1833 that gave government jobs based on qualification of the candidate, and not political belief. Social reform today is

107. History

Which best describes the role of Zionism in ongoing Middle East tensions? It led to disagreements between Arabs and Jews over control of Holy Land.

108. Algebra

My car gets 13 miles per gallon in the city and 30 miles per gallon on the highway. Suppose I used 15.867 gallons of gas and got an average of 15 miles per gallon for the trip.

109. Algebra

My car gets 13 miles per gallon in the city and 30 miles per gallon on the highway. Suppose I used 15.867 gallons of gas and got an average of 15 miles per gallon for the trip. How many gallons did I use for each part of the trip?

110. HELP GRAMMAR ;-; PLZ CHECK IM SORRY ^^;

The first person in the door was she. A.Object of a preposition B.Predicate Nominative C.subject D.direct object The reporter shook hands with the winner and then gave the trophy to her. A.Predicate Nominative B.subject C.Object of a preposition D.direct

111. physics

A 0.26 kg particle moves in an xy plane according to x(t) = - 13 + 1 t - 3 t3 and y(t) = 22 + 6 t - 11 t2, with x and y in meters and t in seconds. At t = 1.2 s, what are (a) the magnitude and (b) the angle (within (-180°, 180°] interval relative to the

112. Algebra

Write the gradient of the line perpendicular to the line with gradient. (a) 5 , (b) 7 , (c) -4 , (d) -9 , (e) 1/2 , (f) -3/4 , (g) 3/8 , (h) -2/3

113. Physics

A 50 kg student, starting from rest, slides down an 10.8 meter high water slide. How fast is he going at the bottom of the slide?

114. Math

in the expression -7x - 5x^2 + 5, what is the coefficient of x? A.) 7 B.) 5 C.) -7 D.) -5 Can anybody help me with the math? It's not my best subject... (or if you'd just give me the answer that would be fine too, XD.)

115. maths

At 8: 00, the temperature was 6 degrees Celsius (°C). Three hours later, the temperature was -13°C. By how many degrees Celsius did the temperature change? Is the answer 19°C

116. Math

Rony, who is sixteen years old, is four times as old as his sister. How old will Rony be when he is twice as old as his sister?

117. English

From “The Carolina Way” what is the following quote an example of? “ I made them understand that our plan would fall apart if they didn’t take care of one another: set screens; play team defense; box out; pass to the open man.” A. cultural

118. Math

rose is getting a snare drum for her birthday! They are 14 inches in diameter. I want to wrap ribbon around 4 times. How many inches of ribbon do i need? write the formula, and show your work.

119. Science

escribe why there are different layers in the atmosphere what are the charecterestics of them which one has the ozone layer which layer is the coldest which is the hottest which one holds the aurora borealis

120. Algebra

A is the point (4,-3) and b is (-1,1). Find the gradient of a line perpendicular to AB. Plz help!!!!

121. English

What is the meaning of the bold print word in the following quote? “A sandwich and a cup of coffee, and then off to violin land, where all is sweetness and delicacy and harmony, and there are no red-headed clients to vex us with their conundrums.” A.

122. English

The following quote from “Pecos Bill” is an example of what type of figurative language? “Bill glanced up at the cyclone and the quiet smile on his face faded into a frown. He saw that the cyclone was angry. Very, very angry indeed.” A.

123. Algebra

An airplane flies 3024 miles into the wind for 14 hours. The return trip takes 9 hours. Find the speed of the airplane without a wind and the speed of the wind.

124. CHEMISTRY

WHEN THE PH IS 0.4 WHAT IS THE COLOUR OF THE INDICATOR

125. English

In “The Red-Headed League,” what type of character is Sherlock Holmes? A. protagonist B. antagonist C. flat D. secondary A?

126. language

How do you diagram the sentence , The little girls adorn themselves with chains of dandelions.I hope this is alright if I cannot shew my work on the computer , but I shewed my work at home and just wanted to see if I got it correct. But just wanted to let

Meg's pension plan is an annuity with a guaranteed return of 3% per year (compounded quarterly). She would like to retire with a pension of \$50,000 per quarter for 10 years. If she works 26 years before retiring, how much money must she and her employer

128. history

Compare the civil reform of the 1800's to social reform today. civil reform of the 1800's led to the passing of the Pendleton Act of 1833 that gave government jobs based on qualification of the candidate, and not political belief. Social reform today is

You can lease a \$17,000 car for \$500 per month. For how long (to the nearest year) should you lease the car so that your monthly payments are lower than if you were purchasing it with an 7%-per-year loan?

130. maths

An equation is shown, where x>0, z |z|. x.y = z 𝑦 < 0 𝑦 > 0 |𝑦| < 1 |𝑦| = 1 |𝑦| > 1

131. math

Y=sin(cosx2)find dy/dx

132. Maths (Need Help)

solve the following equations: y^2-1/4y=0

133. maths

A plane is flying at 31,348 feet. It needs to rise to 36,000 feet in two stages. In stage 1, it rises 5% of its initial altitude of 31,348 feet. In stage 2, it rises at a rate of 140.3 feet per minute. How many minutes does it take for the plane to rise

134. science

calculate delta E & delta H when 100dm^2 of helium at S.T.P are heated to 373k in a closed container. assuming that the gas behaves ideally and CV=12.55g/mol

135. algebra

\$8000 principle earning 3% componded annually, 4 years. What will be the balance after 4 years?

136. Algebra

M Is The point (5,7) and N is (7,-2). Find the equation of a line parallel to MN which passes through the point (1,-3)

137. English

Who is the speaker in “Siren Song”? A. one of the men whom the Sirens threaten to destroy B. Homer C. one of the Sirens D. Odysseus C?

138. physics

A convex spherical mirror has a radius of curvature of 50 cm. Determine the position and magni cation of the image of an object located 35 cm in front of the mirror. i only know how to do concave mirrors. i have the equations as 1/f=1/d0+1/di for position

139. chemistry

What is the specific heat capacity of a metal if it requires 175.0 J to change the temperature of 15.0 g of the metal from 25.00°C to 35.00°C? 1.17 J/g°C 11.7 J/g°C .875 J/g°C 325 J/g°C 17.5 J/g°C

140. itt-tech

The average mass of a male African elephant is 7,000 kg. Calculate it's weight.

141. History

Compare the civil reform of the 1800's to social reform today. civil reform of the 1800's led to the passing of the Pendleton Act of 1833 that gave government jobs based on qualification of the candidate, and not political belief. Social reform today is

142. English

Odysseus is an example of what kind of character? A. epic hero B. tragic hero C. static character D. secondary character B?

143. physics

When 115 V is applied across a wire that is 10 m long, the magnitude of the current density is 1.4*10^4 A/m2. Find the resistivity of the wire. R=V/I; R=pL/A => V/I=pL/A => A(x)V/I(x)L=p :(π(5^2))(115)/(1.4*10^4)(10) Is this right? Do I just plug and chug

144. biology

take an apricot , a walnut , few raisins square peice of spinach ,shelled egg and deshelled egg. prepare four solutions A,B,C and D.solution A is a10% solution of suger ,solution B is 80%suger solution ,solution C is10% salt solution and solutionD

145. MATHS

James pays \$120.00 for golf clubs that are on sale for 20% off at Golf Pros. At Nine Iron, the same clubs cost \$8.00 less than they cost at Golf Pros. They are on sale for 13% off. What is the original cost of the clubs at Nine Iron?

146. Physics

A 50.0-kg boy runs on a horizontal surface at a speed of 10.0 m/s and jumps onto a cart just before reaching a slope as shown in the figure. The cart is initially at rest. If the mass of the cart is 150 kg, what is the maximum height h the boy/cart will

147. English

Busan is the largest port city and second-largest city in South Korea. It lies on the southeast tip of the Korean Peninsula. It is important for transport and shipping. It is best known for Busan Port and Haeundae Beach. The port takes many ships and

148. English

In "The Odyssey", which of the following is involved in Penelope's deception of the suitors? A. a death shroud for Laertes B. a lengthy dispute over land C. a precious ring D. a great bow A?

149. Geometry

The median of a trapezoid measures 18 centimeters the length of the bases could be?

150. Maths

The population increases every year by 2% of the population at the beginning of each year. in what time population will double itself?

151. English

The following quote from “An Ancient Gesture” is an example of what literary element? “I thought, as I wiped my eyes on the corner of my apron: Penelope did this too. And more than once: you can’t keep weaving all day And undoing it all through the

152. math

Given that sinx = cos(x+20o) write tanx in terms of sin20o and cos 20o. a) Hence find the values of tan x. b) Find the general solution of 3sec2y=5(1+tany)

153. Chem

A 175-g sample of water is saturated with KNO3 at 40ºC. What mass of KNO3 forms a precipitate if the solution is cooled to the freezing point of water? (Refer to the Solubility and Temperature graph.)

154. physics

A diffraction grating having 180 lines/mm is illuminated with a light signal containing two wavelengths, λ1 = 400 nm and λ2 = 500 nm. The signal is incident perpendicularly on the grating. What is the smallest angle at which two of the resulting maxima

155. English

Which of the following statements about a subordinate clause is correct? A. There must be at least one subordinate clause in every compound sentence. B. A subordinate clause cannot stand by itself as a sentence. C. A subordinate clause must always have a

156. Math

Marco is analyzing sales data from the week and writes down the numbers shown 10,12,15,6,20,13,17 what is the interquartile range ?

157. English

How does Holmes solve the mystery in “The Red-headed League”? A. carefully and scientifically B. playfully C. cheerlessly D. eagerly and enthusiastically A?

158. Physics help

what does a mirror do to images that it reflects

159. Maths

If i invest R2950 in the bank, the interest rate is 8,10% per month. What will be the value of my money in period of 18 months?

160. English

“Pecos Bill” is an example of what type of story? A. Epic Tale B. Tall Tale C. Myth D. Legend B?

161. CHECK MY WORLD HISTORY ANSWERS

1 star* at the end of each question and multiple stars*** at the end of my answer 1. Which laws called for strict separation of the races in the South? * anti-discrimination laws Plessy v. Ferguson laws Jim Crow laws**** Boycott Laws 2. All of the

1. It is responsibility of all citizens too. a. run of political office b. attend naturalization cermonies c. pay taxes and serve on juries*** d. join special interest groups 2. What is not a form of local government a. city government b. county government

163. science

a radioisotope, Iodine-131, has a half life of 8.1 days. explain what this means. draw a particle diagram for a sample 12 particles of I-131 initially after 8.1 days and after16.2 days.

164. accounts

Mr. X purchased 2 machinery on a hire purchase system . he pays rs 125,000 down and 150,000 at the end of second yr, fourth year, sixth year. Interest is charged by vendor @ 10% p.a. with 2 yearly, rest on unpaid balance. Calculate the amount of interest

165. Mathematic

If i invest R2950, the interest rate 8.10%. What will be my money in period of 18 months?

166. Math

Suppose f (x) = x^3 + x and g(x) = f^-1(x). Find g'(2). I am confused about how to find the inverse of f because I can't isolate y. Could you please help? Thanks!

167. Math

Write a variable on both sides that has infinite solutions.

168. science

if one person is pushing an object to the right and another person is pushing an object to the right like so: 10 Newtons →(object)← 15 Newtons What is the net force? Are the forces unbalanced or balanced? I think the forces are balanced but I'm not

169. U.S. History (Check) (Reed)

1. When the Vietnam War ended... a) Many Americans wanted to return and win b) Many Vietnamese wanted to leave the county for the safety of America c) Many people still trusted the government and its decisions A: b? 2. Roughly how many soldiers were killed

170. Algebra

A company manufactures high-end racing bicycles. The total cost to manufacture 28 bikes is \$25005. The daily fixed costs are \$2605. Fixed costs refers to expenses that must be paid even when producing zero bikes, such as rent, utilities, etc. Assume that

171. simultaneous-equation help am despirate

find the value of x,yandz in the system equation 2x+y-z=8 x^2-y^2+2z^2=14 3x^3+4y^3+z^3=195 step please thanks

172. earth science

When I bumped the table, the coffee in my cup spilled out. Newton's _____ law explains this reaction. 1st 2nd 3rd

173. science

Gallium crystallizes in a simple cubic lattice. Sketch the unit cell. Determine the number of atoms present in the unit cell. The density of gallium is 5.904g/cm^3. Determine a value for the atomic (metallic) radius of gallium.

174. MATHS

An expression is shown. -5 1/2 + 7 3/4 What is the value of the expression?

175. Chemistry

A saturated solution of lead ii trioxonitrte v was prepared at 22degree Celsius at 27cm3 of this solution required 46cm3 of NaCl solution containing 96gdm3 for complete precipitation. Find the solubility of the lead in trioxonitrte v at 22degree Celsius in