# Questions Asked onApril 18, 2016

1. ## Science (energy)

1. What similarities do nuclear energy and chemical energy share? Choose all that apply. A. Both are types of kinetic energy. B. Both are types of potential energy. [CORRECT!] C. Both involve magnetic energy. D. Both involve stored energy. [CORRECT!] 2. A

2. ## Language

What does denotation mean? The sound of a word when you read it The tone of a word in writing The dictionary meaning of a word The set of ideas associated with a word •• Correct me

3. ## Technology

1. Which of the following is an example of music piracy? A. borrowing your friend's CD B. borrowing a CD from the library C. downloading a song for \$1.00 from a reputable website D. copying a CD from your friend and giving it to another friend** 2. Which

4. ## MATH

1.) which order pair would be plotted y starting from the origin and moving 0.25 units left and then 3 units up?

5. ## Math

Isaac throws an apple straight up (in the positive direction) from 1.0 m above the ground, reaching a maximum height of 35 meters. Neglecting air resistance, what is the ball’s velocity when it hits the ground?

6. ## English (Please check Ms. Sue)

Please check this. Thanks! Imagine you are writing are research paper on Margaret Atwood's feminist ideas. Which of the following sources would you consider a secondary source? a. an interview with the author b. Margaret Atwood's The Penelopiad c. an essay

7. ## Math

1. A bag contains 9 tiles numbered 1 to 9. P(4) = (1 point) experimental; the result is found by repeating an experiment. experimental; the result is based on the number of possible outcomes. theoretical; the result is found by repeating an experiment.

8. ## English

Traditional healers should be allowed to practise and prescribe medicine in hospitals and clinics

Which of the following equations represent nonlinear functions? A. Y=5-2/3x B. y=5x^2+7 C. y=1.5x-0.25 D. Y=3 F. Y= 10/x+20 b and f?

asked by random person who probly takes the same class as you

Solve the system of equations algebraically. Show all of your steps. y=x^2+2x y=3x+20 Can someone please explain to me how to do this? I want to actually learn it, please. Thanks! :)

11. ## math

The population of the world was 7.1 billion in 2013, and the observed relative growth rate was 1.1% per year. (a) Estimate how long it takes the population to double. (Round your answer to two decimal places.) _______yr (b) Estimate how long it takes the

12. ## Algebra

Directions: Follow the instructions below to design a fair race for the new video game Animal Tracks. 1. Choose two animals with different speeds. You can choose from the chart that starts at the bottom of this page or do research to choose your own. 2.

13. ## chemistry

commercially available concentrated hydrochloric acid is 37.0% w/w HCl. Its density is 1.18 g/mL. Using this information calculate (a) the molarity of concentrated HCl, and (b) the mass and volume (in mL) of solution containing 0.315 moles of HCl.

14. ## Math

Directions: Follow the instructions below to design a fair race for the new video game Animal Tracks. 1. Choose two animals with different speeds. You can choose from the chart that starts at the bottom of this page or do research to choose your own. 2.

15. ## algebra

Sam invested \$2150, part of it at 6% and the rest at 8% yearly interest. The yearly income on the 8% investment was \$22 more than twice the income from the 6% investment. How much did he invest at each rate?

16. ## Precalculus

Let C be a circle that passes through the origin. Show that we can find real numbers s and t such that C is the graph of r = 2s*cos(theta + t) I think that I could start by writing it like R^2=(x-h)^2+(y-k)^2 where R is the radius of the circle, but I

17. ## Spanish

Hello, would anyone be willing to check several of my answers? Teresa _______ dio una camara a mi. me le nos

18. ## algebra

three numbers are in harmonic progression. If the third number were decreased by 4 they would be in arithmetic progression. If the third number were decreased by 3 they would be in geometric progression. Find the third term of the harmonic progression.

19. ## HISTORY HELP plsssssssss

How did the success of West African kingdoms contribute to the development of kingdoms in western and southern Africa? As the populations of western kingdoms grew, overpopulation caused citizens to migrate east and south to build new empires. As people

20. ## HISTORY HELP plsssssssss

Use this image to answer the following question: The picture shows an Aztec calendar, which is circular. The whole surface is covered with intricate designs that are too small for the reader to identify. At the center of the circle is a the face of the sun

21. ## algebra

Ociel has designed a square mural that measures 10 feet on each side. Bill has also designed a square mural, but his measures y feet shorter on each side. a. Write an expression to represent the area of Bill's mural: (10-2y)(10-2y) b. How much smaller than

22. ## chemistry

Consider the equilibrium reaction CO(g)+H2O(g)⇋CO2(g)+H2(g) Determine how each change in the left-hand column will stress the system and in which direction the equilibrium reaction will shift in response.

23. ## math

triangle abc is reflected over the y-axis. What are the coordinates of the reflected triangle? Describe in words what happens to the x-coordinates and y-coordinates of the original triangle's vertices as a result of this reflection? A = 1,3 B = 4,5 C = 3,1

24. ## math

triangle abc is reflected over the y-axis. What are the coordinates of the reflected triangle? Describe in words what happens to the x-coordinates and y-coordinates of the original triangle's vertices as a result of this reflection? A = 1,3 B = 4,5 C = 3,1

25. ## math

Which of the following sets contains 3 irrational numbers ? a. { square root of 120 , pie , square root of 3 } b. {neg. square root of 256 , 1/9 , 1/12} c. {3.14 , -47 , 100} d. {pie , square root of 0.36 , square root of 121}*

26. ## Chemistry

How much sweat (in mL) would you have to evaporate per hour to remove the same amount of heat a 120 W light bulb produces? (1W=1J/s.)

27. ## Math

An object is projected directly upward from the ground. Its distance in feet from the ground in t seconds is s equals s=112t−16t^2 The object will be 160 feet from the ground after () ​second(s) and after () ​second(s). The object strikes the ground

28. ## Language Arts

The man quickly but carefully opened the oyster’s hard shell. A. quickly B. but C. carefully D. opened I think the answer is B but i am not sure. Can you check this and explain what a conjunction exactly is. Thanks!

29. ## Math

The Mulraneys hired a contractor to build an addition to their home. The Contractor proposed a rectangular room with an area of 300 square feet. The Mulraneys asked the contractor to change the area to 363 feet by increasing both the length and the width

30. ## Physics

one charge of +10 uC is placed at the origin, a second charge of +5uC is placed at (2cm, 4cm) and a third charge (-15 uC) is placed at (4cm, 1 cm). What is the magnitude and direction of the electric force exerted on the first charge by the other two? I

31. ## chem

Determine the mass of oxygen in a 7.2-g sample of Al2(SO4)3

32. ## Math

A bag contains 12 toffees. Kate eats 3 of them and josh eats 4 . What fraction of the toffees are left ?

33. ## AP Chemistry

Consider the following reaction: PbCl2 + 2 NaOH → Pb(OH)2 + 2 NaCl What would be the major species observed floating in solution after one mole of PbCl2 and 2 moles of NaOH are mixed in aqueous solution? 1. Na+ ions, Cl− ions and H+ ions 2. Pb2+ ions,

34. ## Chemistry

Burning 2.00 mol of hydrogen releases 483.6 kJ of energy. Determine how much energy, in kilojoules, must be supplied to convert 5.00 mol of water vapor into hydrogen gas and oxygen gas.

35. ## Math

You saved \$200 on a laptop you purchased online. If this was a 25% savings from the original price, find the original cost of the laptop.

36. ## language arts

which situation uses the word fathom in the same way it is used in the poem full fathom five

37. ## Language Arts

In which of theses lines is the meaning of the word "gratitude" best expressed? A. Why its old Fezziwig! Bless his heart; it's Fezziwig alive again! B. The happiness he gave is quite as great as if it cost him a fortune. C. Feeziwig had the power to make

38. ## Chem

a) A weak acid, HX, is 1.3% ionized in .20 M solution. What percent of HX is ionized in a .030 M solution? b) Does the percent ionization increase or decrease upon dilution? c) Does the H3O+ concentration of the above weak acid increase or decrease?

39. ## Math

The picture shows a red rectangle split into 5 equal parts and a green rectangle split into 8 equal parts. Drag figures to each box so that their total area is equal to the number given. Math item stem image 72 ft2 200 ft2 123 ft2

40. ## Chemistry

The estimated proven world oil reserves in 2013 were 1526 billion barrels. The world annual rate of use was 32.6 billion barrels. How long will these reserves last if this rate of use continues? (The rate of use is actually likely to increase.)

41. ## Physics

If one charge (+5 uC) is placed at origin and a second charge of (+7 uC) at x = 100 cm, then where can a third charge be placed and of what size, so that it has no electrostatic force on it. I know the magnitude of the force will not matter, however, I'm

42. ## Science

Daltons idea that atoms cannot be divided into smaller parts was was disproved by the discovery of______? The description of the structure of the atom is called the________? In a water molecule, two atoms of hydrogen and one atom of oxygen shared

43. ## Math

Jan and Susan went to the movies.it was 2 hours and 18 minutes long.it ended at 6:00.what time what time did it start

44. ## English

Speech about english is the language of opportunity,why bother to teach indegenous language

45. ## US history

Which commercial mode of transportation was not included in the transportation revolution of the 19th century? A. Cars B. Trains C. Boats D. Planes is D correct?

46. ## HISTORY HELP plsssssssss

Many modern universities in Europe began as which of the following? Churches Hospitals Monastic schools Secular libraries is it c pls help

47. ## english (Adverbs and Other Parts of Speech)

13. In which of the following sentences is the word down used as an adverb? A. Ricky rolled down the car window to place his order at the coffee shop. B. Gail fell down the steps because she tripped on her untied shoelace. C. The ball moved down the street

48. ## math

a woman is 4 times as old as the son. in 5 years time she will be 3 times as old as the son. how old is the woman?....need an answer now

49. ## life orientation

Ways in which human rights violations influences individuals;groups and the broader south African community

Write each expression in the standard form for a complex number, a + bi. A. [3(cos(27°)) + isin(27°)]^5 B. [2(cos(40°)) + isin(40°)]^6 For A i got 2.67+1.36i and for B i got 1.53+1.29i

51. ## Social Study Help!!!ASAP

9. Which statement explains why public education suffered during Reconstruction? (1 point) The state preferred private education to public education. Teachers were not properly trained to do their jobs effectively.*** The general public cared more about

52. ## HISTORY HELP plsssssssss

Use this map to answer the following question: This image shows a map of South America. The western coast is shaded blue. There are four numbers marking different areas on the coast. The first number marks an area at the very top of the shaded area. The

53. ## life orientation

Define the 2 concept:fraud and corruption and give examples of each

54. ## physics

Two bodies a and b masses 4kg and 2kg move towards each other with velocities 3m/s and 2m/s and collide. If the collision is perfectly inelastic, find the velocity of the 2 bodies after collision. Find the tolal kinetic energy of the system before and

55. ## Chemistry

What is the molar solubility of Mg(OH)2 in a solution containing 0,10 M NH3 ? Ksp Mg(OH)2 = 1.2x10^-11 Kp NH3 = 1.8x10^-5

56. ## Social Study Help!!!!!!!!!!!!

4. How did Reconstruction affect daily life in South Carolina? (1 point) Carpetbaggers and scalawags had less of an influence on the state. Northerners and freedmen had more opportunities in the state.**** African American families received 40 acres and a

57. ## Science

Write a paragraph or make a PowerPoint to explain how genetic variation and environmental pressures can lead to change in an organism. Write a second paragraph that describes an example of a plant or animal that has changed due to these factors.

58. ## English

English is the language of opportunity,Why bother to teach indigenous languages?

59. ## Math (Elementary Algebra)

What is the value of the expression 2x^2 + 3xy - 4y^2 when x = 2 and y = -4 ? Please help this is for my accuplacer. If you could show your work explaining how you got the answer that would be awesome. Thank you in advance

60. ## Chemistry

t takes 572 kJ of energy to decompose 2.00 mol of liquid water. How much energy does it take to decompose 54.0 mol of water? 2H2O(l)+572kJ→2H2(g)+O2(g)

61. ## life orientation

critically discuss 6 ways that the human rights violation influence individual , groups and broders south african community

62. ## U.S. History (Check, Please!)(REED)

1. What did Hitler call the unification of Austria and Germany? Q: The Anschluss is what Hitler called the unification of Austria and Germany. 2. What is appeasement and did it work? A: Appeasement is the policy of giving concessions in exchange for peace.

63. ## HISTORY HELP plsssssssss

Who did the Spanish use for labor in their early New World settlements? Enslaved Spanish Enslaved Natives Portuguese Africans is it d pls help

64. ## math- algebra 2

An amount of \$20,000 is borrowed for 13 years at 5% interest, compounded annually. If the loan is paid in full at the end of that period, how much must be paid back?

65. ## Trigonometry

Write each expression in the standard form for a complex number, a + bi. A. [3(cos(27°)) + isin(27°)]^5 B. [2(cos(40°)) + isin(40°)]^6 For A i got 2.67+1.36i and for B i got 1.53+1.29i

66. ## Language Arts, plz check, again. Sorry!

[SCROOGE touches PRESENT’s robe. The lights fade out on the Cratchits, who sit, frozen, at the table. SCROOGE and PRESENT in a spotlight now. Thunder, lightning, smoke. They are gone.] What purpose is served by these stage directions? They explain

67. ## math

A roasted turkey is taken from an oven when its temperature has reached 185°F and is placed on a table in a room where the temperature is 76°F. (a) If the temperature of the turkey is 155°F after half an hour, what is its temperature after 45 min?

68. ## math

calculate the volume of the solid when the composite of a cube of edge is 28cm and the square -based pyramid of it height is 16cm

69. ## HISTORY HELP plsssssssss

Which of the following is a set of basic Islamic beliefs? The Five Pillars of faith The Seven Sacraments The Twelve Disciples The Ten Verses is it a pls help

70. ## Social studies Help !!!!!!!!

4. How did Reconstruction affect daily life in South Carolina? (1 point) Carpetbaggers and scalawags had less of an influence on the state. Northerners and freedmen had more opportunities in the state.**** African American families received 40 acres and a

71. ## English

I had submitted a project and failed it and had gotten the chance to resubmit it for a better grade. I am so confused about how I messed up and is wondering if anyone could walk through it with me? The project is: create a research presentation about the

72. ## Math

\$7200 at 6.8% interest, student graduates 3 years and 9 months after loan is acquired; payments deferred for 6 months after graduation

73. ## U.S. History (Check)(REED)

1. Name 4 ways the United States tried to help the war in Europe without actually going to war. 1# U.S. Congress passing the Lend-Lease Act, which enabled the United States to lend and/or lease arms to any country that could be a vital ally to the United

74. ## life orientation

critically discuss 6 ways that the human rights violation influence individual , groups and broders south african community

75. ## english

is the quote "you sit on a throne of lies" from the movie elf a hyperbole or an idiom?

76. ## Math

tossing a coin tails up or rolling a number less than 4 on a number cube. I got 1/2 + 3/6 and got 1. The answer is 3/4. I don't understand what to do. Please help.

77. ## computer science

An Internet service provider has three different subscription packages for its customers: Package A: For \$9.95 per month 10 hours of access are provided. Additional hours are \$2.00 per hour. Package B: For \$13.95 per month 20 hours of access are provided.

78. ## Teacher aide

According to the SMCR model, problems in communication can arise when the speaker fails to do what? A. Have a neat appearance B. Speak on the level of the receiver C. Have outside interests D. Maintain eye contact with the receiver I think the answer is B

79. ## Biology

Compared to atoms of the same element, isotopes have different A. numbers of neutrons. B. numbers of protons. (C. types of subatomic particles.) D. numbers of electrons.

80. ## Chemistry

Calculate the boiling temperature of a 0.50 M solution of sucrose. Assume that the concentration is 0.50 m.

81. ## computer science

Write a program that will ask the user to enter the amount of a purchase. The program should then compute the state and county sales tax. Assume the state sales tax is 4 percent and the county sales tax is 2 percent. The program should display the amount

82. ## Math

Victoria has a 1000\$ budget for her pet store supplies. If collars cost \$5 each and embellishments cost \$2 each, write the inequality that represents this scenario. use c to represent numbers if collars and E for numbers of embellishments

83. ## Algebra

what are the domain and range of th function y= 2√3x+4-5? Need HELP, ASAP Thanks

84. ## Math

Chris used 45 feet of fencing to enclose a circular garden. What is the approximate radius of the garden? Use 3.14 for radius, and round answer to the nearest hundredth.

85. ## calculus

Between y = 2x2 + 9x − 4 and y = −x2 + 6x + 2 for x in [−2, 2]

86. ## life orientation

critically discuss 6 ways that the human rights violation influence individuals, groups and broders south african community

87. ## Math

When hired at a new job selling jewelry, you are given two pay options: Option A: Base salary of \$16,000 a year, with a commission of 10% of your sales Option B: Base salary of \$20,000 a year, with a commission of 3% of your sales In order for option A to

88. ## English

1. This book is worth reading. 2. This book is not worth 10 dollars. 3. He is worth meeting. 4. This place is worth visiting. 5. New York is worth visiting twice. 6. She is worth prasing. 7. The dog is worth buying. 8. This car is worth purchasing. 9. This

89. ## math

Which of the following sets contains 3 irrational numbers ? a. { square root of 120 , pie , square root of 3 } b. {neg. square root of 256 , 1/9 , 1/12} c. {3.14 , -47 , 100} d. {pie , square root of 0.36 , square root of 121

90. ## Trig

A Flagpole casts a 60 foot long shadow on the ground. The angle from the tip of the flagpole to the end of the flagpole's shadow measures 35 degrees. How tall is the flagpole? Draw a picture and label. Thank you.

91. ## Language Arts, plz check

In which of these sentences does the Ghost of Christmas Present say to indicate that Scrooge's actions can affect the outcome of events? 1. "I would say that he gets the pleasure of his family..." 2. "I see a vacant seat...in the poor chimney corner, and a

92. ## chemistry

0.717g of potassium dihydrogen phosphate in 500ml concentration in ppm

93. ## math

Jose use a square baking pan to make a cake the length of each side of the pan was 16 inches find the area of the pan in square inches

94. ## Math, word problem

A gardener needs to enclose three adjacent rectangular gardens, one for tomatoes, one for squash, and one for pumpkin. If 400 feet of fencing is available, what is the largest total area that can be enclosed?

95. ## chem

what mass of Cl2 is produced from the reaction of 665 g of Hal

96. ## Math

8.f2 ∙ f4 A. (2f)^8 B. (2f)^6 C. F^8 D. F^6

97. ## math

Which is the best strategy to use to solve this problem? Jarrod wants to make a rectangular garden that has an area of 100 square feet. He wants to put a fence around it, but he wants to use as little fencing material as possible. What are the dimensions

98. ## Chemistry

The molar solubility of a generic substance, Mg(OH)2 ksp = (1.2x10^-11) in 0.10 M NH3 Kb = 1.8 x 10^-5 help me please =)

99. ## Math

Then length of a rectangle is 5 less than 2 times the width, write a polynomial for the perimeter and a polynomial for the area.

100. ## algebra

A box contains \$7.80 in nickels, dimes, and quarters. There are 46 coins in all, and the sum of the numbers of nickels and dimes is 2 less than the number of quarters. How many coins of each kind are there?

101. ## my son's math help please

Each week Susie washes dishes three nights,washes clothes one night,empties trash cans two nights,and cook supper one night.If her Aunt Nancy stopped by randomly one night,what are the chances that Susie would be cooking that night!

I cant get this stupid question, this is disgusting and I just want to get this over with. What the word for when blood rushes towards your !@#\$%^& and gets bigger. A. Erection B. Sperm C. !@#\$%^& D. Puberty

103. ## math

In one month a salesman sold a total of 30 cars and trucks. If three times the number of cars sold equals twice the number of trucks sold, how many trucks did he sell?

104. ## Trig

A Flagpole casts a 60 foot long shadow on the ground. The angle from the tip of the flagpole to the end of the flagpole's shadow measures 35 degrees. How tall is the flagpole? can i use tan(35degrees) = 60/h which gives me 85.714. Please check. Thanks!

105. ## Math

A bill of 4.60 was paid in quarters and nickels. If there were 28 coins in all, how many quarters were there?

106. ## Math/algebra

60 + -25x = 35x + 20

107. ## Math

A 100 foot tall antenna sits part way up a hill. The hill makes an angle to 12 degrees with the horizontal.In other words, if you were going to walk up the hill, you would walk at an angle of 12 degrees. To keep the antenna stable,it must be anchored by 2

asked by Anonymous needs help asap
108. ## English

English is the language of opportunity.why bother to teach indigenous langguages?

109. ## Math

7/11litres of a tank is filled with water.24 litres more water are needed to fill the tank completely.What is the volume of water in the tank now?

110. ## Trigonometry

Hello, could someone help me set up the equation for this word problem? A sharpshooter intends to hit a target at a distance of 3000ft with a gun that has a muzzle velocity of 1200 ft per second. Neglecting air resistance, determine the gun's minimum angle

A Flagpole casts a 60 foot long shadow on the ground. The angle from the tip of the flagpole to the end of the flagpole's shadow measures 35 degrees. How tall is the flagpole? can i use cos(55degrees) = 60/h which gives me 104.61. Please check. Thanks!

112. ## Solid Mensuration

In a circle with a diameter of 10m, a regular five-pointed star touching its circumference is inscribed. What is the area of the part not covered by the star? Pls help with a solution and a diagram. Thanks!

113. ## Math

Emily fills a container with 6cubes. Each cube has an edge length of 3cm. The container is in the shape of a right rectangular prism. What is the volume of the container in cubic cm

114. ## Life orientation

Express your emotion on how bad fraud and corruption are and how they must be avoided.

115. ## Life orientation

3human rights violations and explain in an introductory paragraph why you choose the specific human rights violation.

116. ## English

why traditional African marriage is an advantage for the men only,not women?

117. ## Math

1. write the result in scientific notation (1.7∙10^1)(7 ∙ 10^5) A. 8.5 ∙ 10^-9 B. 8.5 ∙ 10^20 C. 6.7 ∙ 10^-9 D.6.7 ∙ 10^20

118. ## life orientation

Six ways that human rights violations influence individuals

119. ## math

loan of \$12571 was repaid at the end of 16 months. what size repayment check ( principal and interest was written if 8% annual tate of interest was charged?

120. ## Math

x P(x) 0 0.2 1 0.3 2 0.2 3 0.3 Find the mean of this probability distribution. Round your answer to one decimal place.

121. ## English

English is the language of opportunities bother to teach indegenous language

122. ## science-college physics

1. A mass of 20 kg is suspended at the end of a rubber cord of diameter 2.0 mm and length 100 cm. Find the period of vertical oscillations of the mass. [Take young’s modulus E, for the rubber = 2.0 x 108 Nm - 2].

123. ## Pre-Calc

Assume that x, y, z and b are positive numbers. Use the properties of logarithms to write the expression logb(4) sqrt((x^7 y^2)/(z^4)) in terms of the logarithms x, y, and z.

124. ## English

why traditional African marriage is an advantage for the men only,not women?

125. ## Calculus

Compute (f^-1) (2) if f(x) = 7x + 3cos(x) + 2sin(x).... We tried solving it in the form (f^-1)(a) = (1/f'(f^-1(a))... or is this a u-sub problem? We are trying to figure out whose way is right with one getting the answer as 1/2 and the other 1/10... we are

126. ## Chemistry

What is the molar solubility of Mg(OH)2 in a solução containing 0,10 M NH3 ? Ksp Mg(OH)2 = 1.2x10^-11 Kp NH3 = 1.8x10^-5

127. ## Pre calc

A small plane takes off from island A and flies in a straight line for 12 kilometers. At the same time, a sailor sitting in a sailboat who is 5 miles from the island measures the angled by from island A to the sailboat and the plane is 37 degrees. How far

128. ## math calculus

Find the intervals on which the function f(x)=x²/³(10-x) is increasing and decreasing. Sketch the graph of y=f(x)and identify any local maxima and minima. Any global extrema should also be identified.

129. ## Geometry

Imagine a pie cut into four equal pieces. The angles formed by two adjacent pieces are A) supplementary B) Complementary I choose B is this correct? Imagine a pie cut into eight equal pieces. The angles formed by two adjacent pieces are? Supplementary (A)

130. ## life orientation

Six ways that human rights violations influence individuals

131. ## PHYSICS

When a car engine is turned off, the angular speed of the flywheel decreases linearly with time from 1200 rev/min to zero. a) Find the average angular acceleration b) How many revolutions does the flywheel make before stopping?

132. ## English

1. Tickets are on sale from the booking office. (Does it mean that we can get the tickets at a reduced price?) 2. The new model goes on sale next month. (Does this sentence mean that the new model will be sold at a reduced price next monthe?)

133. ## English

what life was like for Jewish folks under Nazi occupation? could anyone leave links to sites that give information about that question? Or even just comment things you know about it, I'm trying to redo a powerpoint presentation.

134. ## Maths

The product of two natural numbers is 18. If one is added to four times the smaller number this is equal to the larger number. Find both numbers

135. ## math

A small plane takes off from island A and flies in a straight line for 12 kilometers. At the same time, a sailor sitting in a sailboat who is 5 miles from the island measures the angled by from island A to the sailboat and the plane is 37 degrees. How far

136. ## science and calculations

Calculate the heat necessary to raise the temperature of 500kg of water in the generator of the refrigerator from 10degree Celsius to 40degree Celsius. The specific heat capacity of water equal to 4.2kj/kgk

If one side of a triangle is 54 cm and the other is 35 cm what is the third side? Two sides have to be longer than the other so I think it is 54 cm

Write in terms of cos and sin function. cotx*secx I know cotx = cosx/sinx and sec x= 1/cos x. but how do i solve it?

139. ## chem

18.4 mg/L of toluene is in a groundwater plume. Compute how much of the following would be necessary for full mineralization of the toluene if each reaction were the only reaction responsible for accepting the electrons from toluene. You may ignore biomass

140. ## Chemistry

Write balanced reaction for the following metal acid reaction A) Mg and HCI B) Zn and HCI

141. ## math

A watch lost two minutes per hour. If on monday 9 A.M the watch was exactly showing 9 A.M. Then what is the time on wednesday 9A.M.

142. ## science

a certain mass of gas occupies 600 cm3 and exerted 1.325*10^5 Nm^-2 pressure. at what temperature would the volume of the gas be halved?

143. ## English

why bother to teach indigenous languages?

144. ## math (ms sue)

Find the coefficient of x^7y^4 in the binomial expansion of (1/4x-16y)^11

145. ## maths surd

(2+root(3))^6+[(2-root(3)] without using calcultor

146. ## Math

Sammy has \$15 more than Billy .mary has twice as much as Sammy. James h!@#\$%^&5 less than Mary. Together they have \$130.how much does each person have?

147. ## math

I need help with assignment " Finding the Best Price" How do I write equation and plot prices. Thank you very much. Show an example Connections Academy

148. ## Geometry

If you could fold a football field in half the fifty yard line would be the ? Find geometry term

149. ## science

of the following ,which do all fish have gills fins scales movable jaws (I chose )

150. ## math(pre calc)

A 100 foot tall antenna sits part way up a hill. The hill makes an angle to 12 degrees with the horizontal. In other words, if you were going to walk up the hill, you would walk at an angle of 12 degrees. To keep the antenna stable, it must be anchored by

151. ## math

Mr.Charleston built a backyard patio that has an area of 150 square feet. What could be the dimensions of the patio?

152. ## math

The speed of train A is 6 mph slower than the speed of train B. Train A travels 200 miles in the same time it takes train B to travel 230 miles. Find the speed of speed of each train.

153. ## Math

Several models of a rectangular cabin are being studied the perimeter of each model is 26 inches the length of one model is 8 inches what is the width of the model

154. ## English

1, He has put all his money into buying that house. 2. He put all the apples into the fridge. 3. She put all the dolls into the box. ------------------- Are they all grammatical? Can we use 'in' instead of 'into'?

155. ## Chemistry

A 50 g piece metal is placed in 250 g of methanol at 0 °C. The methanol is warmed to a temperature of 5 °C. What is the specific heat of the metal?

156. ## maths

409 726 IN STANDARD EXPANDED NOTATION

157. ## history

what about Mohawk interactions with the europeans

158. ## Math

Hello, could someone help me set up the equation for this word problem? A sharpshooter intends to hit a target at a distance of 3000ft with a gun that has a muzzle velocity of 1200 ft per second. Neglecting air resistance, determine the gun's minimum angle

159. ## Geometry

If you could fold a football field in half, the fifty yard line would the ? Line of symmetry

The number of square meters in a square rooms floor area exceed the number of meters in the rooms perimeter by 60.Find the side-length of the room.

161. ## science

what can you infer from the fact of all life on earth is related f you go back far enough?

162. ## Math

Help please. Find a number between 1/15 and 1/16.

163. ## chemistry

Determine delta G naught at 298.15K for a 0.50 V voltaic cell if n=3 for that cell.

164. ## math

How do you determine the dimensions of a rectangular prism that is 10 cubic feet?

165. ## Calculus

Find the volume of the solid generated by rotating the region above 𝑦 = 12 and below 𝑦 = sin 𝑥 for 0≤𝑥≤𝜋 about the 𝑦-axis for 1 complete revolution.

166. ## Language

Can you please explain what a conjunction is?

167. ## Math

Find the probability of the following event: tossing a coin tails up or rolling a number less than 4 on a number cube. I got 1/2 + 3/6 and got 1. The answer is 3/4. I don't understand what to do. Please help.

168. ## English

Why traditional african marriage is an advantage for men only not wonem?

169. ## English

What was life like for Jewish people under Nazi occupation?

170. ## calculus

Find f'x given f(x)= 1/(1+(1/(1+(1/x))))

171. ## Chemistry

Could someone please help guide me through this question: A 1.047 g sample of He(g) is found to occupy a volume of 8.446 L when collected over hexane at 25.0 ∘C and 739.6 mmHg barometric pressure. Use these data to determine the vapor pressure of hexane

172. ## Math

Wendy is 8 years old. The product of Wendy's and Andy's age is 80. What is Andy's age?

173. ## Physics

Calculate the acceleration of a car that is travelling at a constant speed of 100 km per hour on a straight road. The radius R of the Earth is 6370 km. Why do we not feel this acceleration?

174. ## Trig

A small plane takes off from island A and flies in a straight line for 12 kilometers. At the same time, a sailor sitting in a sailboat who is 5 miles from the island measures the angled by from island A to the sailboat and the plane is 37 degrees. How far

175. ## Pre calculus

1. Write in terms of cos and sin function. cotx*secx Show work.

176. ## geomatry

what is the slope of the line that contains the points (2,-5) and (-4,-1)

177. ## math student loan

Find the interest that accrues in a 30 day month, find the total amount of interest that will accrue before the regular payments begin using the 30 day month Find the interest that accrues in a 30 day month, find the total amount of interest that will

178. ## Riddle

Where C = 46, D = 12, P = 11, Q = 37, R = 17, Y = 19 what numbers do T and S equal?

179. ## English

Posted by rfvv on Sunday, April 17, 2016 at 10:53pm. 1. Dancing is my thing. 2. Dancing is ______________. (What other expressions can we use 'instead of 'my thing'?) •English - Writeacher, Monday, April 18, 2016 at 1:16am ... my favorite activity. ...

180. ## partail fraction-maths help!plz

x^4+3x-2/[(x^2+1)^3(x-4)^2]=Ax+B/(x^2+1)+Cx+D/(x^2+1)^2+Ex+F/(x^2+1)^3+G/(x-4)+H/(x-4)^2 find A,B,C,D,E,F,H thank am tired of solving holy jesus!!!

181. ## Math

I need help please. 11 1/9% of what number is 900?

182. ## Math

😭😭😭😭😭😭ORDER OF OPERATIONS!!!!!!😰😰😥😪🤔(9+22-2^2)divided by (9-7)

183. ## English

WHY IS IT SO IMPORTATNT TO SLAUGHTER IN THE SURBS??

184. ## Calculus

Find the arc length of the curve 𝑥(𝑡)=cos𝑡+𝑡sin𝑡, 0≤𝑡≤𝜋/2 𝑦(𝑡) = sin 𝑡 − 𝑡 cos 𝑡 ^2

185. ## Math-Trig

Answer to four significant figures, or to the nearest minute. f) one vertex angle of a rhombus is 25°. Find the ratio of the diagonals.

186. ## Algebra

The second side is 10 more than the third side and the first side is 6 less than the third side. What are the sides of the triangle if the perimeter is 64yd?

187. ## Math

Use a sum formula to show that cos(2u)=2sinucosu

188. ## math

rectangles with the perimeter of 16 centimeters and sides whose lengths a whole centimeters. Label the lengths of two adjacent sides of each rectangle.

189. ## math

what time is spent on art and math if math is 21% and art is 14%

190. ## Math

Find the probability of the following event: tossing a coin heads up or rolling a 3 with a number cube. I got: 1/2+1/6 = 2/3 but the right answer is 7/12. I don't understand how to get 7/12. Please help.

191. ## math

Write in terms of cos and sin function. cotx*secx Show work. I know cotx = cosx/sinx and secx = 1/cosx, would that just be the answer or can i solve it?

192. ## Math

I've been really struggling with this question, could someone please walk me through it. x+y=0.4276 (so, y=0.4276-x) x/23.947+y/56.105=0.01034 Solve for x.

193. ## Northern technical college

What are the five classes of fire.

194. ## English

1. Round your back downward. 2. Arch your back downward. 3. Round your back upwards. 4. Arch your back upwards. (Are both the same in meaning? Can we use 'arch' in lieu of 'round'?)

195. ## math

The speed of train A is 6 mph slower than the speed of train B. Train A travels 200 miles in the same time it takes train B to travel 230 miles. Find the speed of speed of each train.

196. ## Math

I need a little help please. 7/12 ____ = 1/3 The answer I came to is 1 3/4 is this correct?

197. ## English

Are 'on sale' and 'for sale' the same in meaning in British? Are they different in American English only?

198. ## Physcis- Energy

A girl on a moped is traveling at 20m/s. If she has a mass if 50 kg, what is her KE???

199. ## Pre calculus

A 100 foot tall antenna sits part way up a hill. The hill makes an angle to 12 degrees with the horizontal. In other words, if you were going to walk up the hill, you would walk at an angle of 12 degrees. To keep the antenna stable, it must be anchored by

200. ## math p.s. is very hard

find the function rule. X:-2 -1 0 1 2 Y:9 4 -1 -6 -11

asked by i need help in this very hard math question
201. ## life orientation

3 human rights violations

202. ## Math

How many hundred thousand in 1,000,000

203. ## Math

The difference between two numbers is 6. Their product is 2,016. What are the two numbers.

204. ## Algebra

what are the domain and range of th function y= 2√3x+4-5? Need HELP, ASAP Thanks

205. ## math

Shoot. I meant to say how to write this equation in standard form: y=(x+1)(x-1)(x-1)

206. ## English

1. Jeans are on sale, 30 % off today! 2. Jeans are 30% off today! 3. Jeans are for sale, 30 % off today! ------------ Are both the same in meaning? Can we erase 'on sale'? Can we say #3? What is the difference between #1 and #3?

207. ## math

Find the probability of the following event: tossing a coin heads up or rolling a 3 with a number cube. I got: 1/2+1/6 = 2/3 but the right answer is 7/12. I don't understand how to get 7/12. Please help.

208. ## Math

So I'm doing solving system of equations, 2x+y=5 4x+2y=10 I found no solution that would fit it therefore they are parallel to each other. Am I correct?

209. ## Math

What factors of 14 when added together equal 3?

210. ## Math

Square root 2x-4 + 5=7 I really need help with this. Thanks

1=300(0.8)^t

212. ## math

in 0.83b how is b decreased by 17%

213. ## science

What is osmosis