1. ## Math

A heated piece of metal cools according to the function c(x)=(.5)^(x−9), where x is measured in hours. A device is added that aids in cooling according to the function h(x)=−x−2. What will be the temperature of the metal after five hours? -7 Degrees

2. ## physics

Water is flowing in a pipe as depicted in the figure. As shown, p = 117 kPa, d = 4.67 cm, d' = 3.06 cm, v = 4.36 m/s, and h = 1.11 m. What pressure is indicated on the upper pressure gauge? Take y = 0 at the bottom of the left pipe so that the center of

3. ## geometry

Use DE←→ and FG←→ to answer the question. DE←→ contains the points D(1,−2) and E(3,4). FG←→ contains the points F(−1,2) and G(4,0). Is DE←→ perpendicular to FG←→? Why or why not? Yes, because the product of the slopes is 1. No,

4. ## Math

What is the logarithmic function modeled by the following table? x f(x) 8 3 16 4 32 5 f(x) = logx 2 f(x) = log2 x f(x) = 2 log10 x f(x) = x log10 2

5. ## Math

If Joe wanted to create a function that modeled an exponential function with base of 8 and what exponents were needed to reach specific values, how would he set up his function? f(x) = x^8 f(x) = log8 x f(x) = logx 8 f(x) = 8^x

6. ## physics

Read the scenario. A boulder with a mass of 50 kg is sitting in a backyard. If the boulder were half the mass, what could be said about the gravitational force on the boulder? It would be reduced to one quarter. It would not change. It would be doubled. It

7. ## statistics

A study was performed on green sea turtles inhabiting a certain area. Time-depth recorders were deployed on 6 of the 76 captured turtles. The time depth recorders allowed the scientists to track the movement of turtles in the area. The 6 turtles had a mean

8. ## Physics

If you simultaneously drop a pair of tennis balls from the top of a building, they strike the ground at the same time. If one of the tennis balls is filled with lead pellets, will it fall faster and hit the ground first? Which of the two will encounter

9. ## geometry

Use the equation and given point to answer the questions below. The equation of line a is y=12x−1, and it passes through point (6,2). Line b is perpendicular to line a, and it passes through point (−6,2). A: What is the slope of line b? B: What is the

10. ## algebra 2

A skier has decided that on each trip down a slope, she will do 2 more jumps than before. On her first trip she did 6 jumps. Derive the sigma notation that shows how many total jumps she attempts from her fourth trip down the hill through her twelfth trip.

11. ## Civics

Which of the following is a law passed by congress? common law constitutional law*** natural law statutory law Which is the only crime defined in the constitution? treason bank robbery murder*** arson Which of the following happens if a conflict occurs

12. ## science

Consider the scenario. Scientists have developed a computer program that can be used to predict when volcanoes will erupt. What type of scientific model is this? mathematical model conceptual model practical model physical model I think it is conceptual

13. ## Social Studies

Drag and drop the countries to list them in order from the most fully democratic (top) to the least democratic (bottom). 2. Vietnam and Laos 1. Indonesia and the Philippines 3. Thailand and Myanmar

14. ## Math

a net for each three dimensional figure would always have six congruent rectangular regions A. triangular prism b. rectangular pyramid c. hexagonal pyramid d. hexagonal prism

15. ## physics

Two carts are involved in an elastic collision. Cart A with mass 0.55 kg is moving towards Cart B with mass 0.55 kg, which is initially at rest. Cart A stops after the collision and Cart B begins to move. What is the final kinetic energy of Cart B?

16. ## Chemistry

The fictitious compound, arrhenium fluoride (AhF), reacts with itself to form a dimer with the formula Ah2F2 . The reaction is second order in AhF. The value of the rate constant is 8.591x10-3 M-1s-1. What is the initial rate of reaction in a reactor

17. ## physics

For a class demonstration, your physics instructor pours 1.16 kg of steam at 100.0°C over 4.69 kg of ice at 0.0°C and allows the system to reach equilibrium. He is then going to measure the temperature of the system. While the system reaches equilibrium,

18. ## calculus

Consider the equation x^5-cos(pi x)=0 . We can use the Intermediate Value Theorem to prove that the given equation has a root between 0 and 1. Answer the following questions. 1.show equation can’t have two real roots between 0 and 1. 2.Use Newton's

19. ## geometry

Use the following lines to answer the question. line g: y=−45x+75 line h: y=54x+34 Is line g perpendicular to line h? Why or why not? Yes, because the slopes of lines g and h are opposite and the y-intercepts are different. Yes, because the slopes of

20. ## geometry

What is the equation of the line that passes through the given point and is perpendicular to the given line? Point: (1,1) Line: y=15x+45 A. y=−5x+6 B. y=−5x+45 C. y=15x−15 D. y=−5x−54 I think it is A

21. ## Music

Can someone please help! 1.Which word do the following notes spell? E.G.G A.EGG B.AGE C.FAD D.BED 2.A sharp raises a note by A.a whole step. B.a half step. C.two whole steps. D.one-and-one-half steps. 3.What does a flat do to a note? A.raises the note by

22. ## Science

1. Which of the following gases was most likely present in earths atmosphere A. Nitrogen B. hydrogen .C argon D. Oxygen Which of the following statements accurately describes the development of the geologic time scale? A. Scientists developed the geologic

23. ## Math

Select the Pairs of ratios that form a true proportion . Choose all that apply. A) 3:6 and 5:10 B) 4/12 and 6/18 C) 20:5 and 10:3 D) 24/36 and 8/9

24. ## History

What is one informal (not written into the Constitution) responsibility of the Governor of Georgia?

25. ## Social Studies

1.What can be inferred by the passage of the Black Codes A.Many Southerners were willing to allow African-Americans equally B.Many white Southerners wanted African Americans to remain as slaves C.Many white Southerners wanted African Americans to receive

26. ## Scocal studies

Which of the following statements best characterizes the English colony of Roanoke? A. The colonies failed because the settlers wanted to join the Indian tribes as missionaries B. The settlers became wealthy and return to England * C. The settlers enlisted

27. ## Geometry

∠ABC and ∠ABD are a linear pair. Prove that m∠ABC + m∠ABD = 180°. Write a paragraph proof...I don't know how to write this out

28. ## math

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

29. ## algebra

Mr. Smith has 100 students in his Algebra classes. The grades of a quiz are normally distributed with a mean of 70 and a standard deviation of 4. Sally claims that 75 students scored between 66 and 74 on this quiz. Given that this is normally distributed,

30. ## PHYSICS

A conductor of length 0.5m moves in a uniform magnetic field of flux density 2 wbm^2. at a uniform velocity of 40m/s. Calculate the induced EMF under the following conditions: (1) the conductor moves at right angle to the magnetic field (2) the conductor

31. ## PHYSICS/SCIENCE

If a Mack truck and a motorcycle have a head-on collision, upon which vehicle is the impact force greater? Which vehicle undergoes the greater change in its motion? Defend your answers.

32. ## MATH

A radio tower 500 feet high is located on the side of a hill with an inclination to the horizontal of 5 degrees. How long should two guy wires be if they are to connect to the top of the tower and be secured at two points 100 feet directly above and

33. ## Grammar

Indentify each sentence below with Simple, compound, complex, or compound-complex. Could you pleas tell me if these are correct? 1. After they defeated Germany in World War II, the Allies divided Germany and its capital city, Berlin, into four sectors: a

34. ## geometry

has vertices at A(3,4), B(−1,1), and C(−2,5). Triangle A B C in the plane with the coordinates as described in the text. What is the approximate perimeter of △ABC? 15 units 68 units 14.2 units 8.2 units i thinks it is either 8.2 or 14.2

35. ## geometry

Line CD passes through point E. Line CD: y−5=−3(x+2) Point E: (6,−1) What is the equation of the line that is perpendicular to line CD? y=1/3x−4 y=−1/3x−19/3 y=−1/3x+5 y=−1/3x+19/3 y=1/3x+4 Answer i think is either the first one or last one

36. ## geometry

Line CD passes through point E. Line CD: y−5=−3(x+2) Point E: (6,−1) What is the equation of the line that is perpendicular to line CD? y=1/3x−4 y=−1/3x−19/3 y=−1/3x+5 y=−1/3x+19/3 y=1/3x+4

38. ## Math

Using math symbols, translate: 10 is 5 less than y

39. ## Music

(Use the audio sample to answer this question) I know you guys can’t hear it but I’m hoping you can answer this What is the scale? A. C minor B.C major C. C chromatic scale D. C pentatonic scale

40. ## History

which group of people analyze evidence presented during a trial and setermine the guilt or innocene of someone based on the law? A. Vassals B. Jury C. Nobility D. Supreme Court Please help me!

41. ## Social Studies

Drag and drop events in Indochina leading up to the Vietnam War. Put them in the correct order from the most distant past (at the top) to the most recent (at the bottom). 4. France fights communist forces in Indochina. 5. France recognizes an independent

42. ## Social Studies

Drag and drop events in Indochina leading up to the Vietnam War. Put them in the correct order from the most distant past (at the top) to the most recent (at the bottom). 4. France fights communist forces in Indochina. 5. France recognizes an independent

43. ## Social Studies

2. Drag and drop events in Indochina leading up to the Vietnam War. Put them in the correct order from the most distant past (at the top) to the most recent (at the bottom). 4. France fights communist forces in Indochina. 5. France recognizes an

44. ## History

Which falls outside the range of services provided by Georgia's city governments? A.)public transportation B.)public health services C.)issuing drivers license******* D.)police and fire protection

45. ## Biology

Why do you think biologists use both the embryological development and the adult body plans to classify an animal? My answer: Biologists use both because there are many different phyla in the adult body plans. The embryological development help

46. ## Math

1. Write a ratio and a percent for the shaded area. A. 6/25, 30% B. 3/50, 6% C. 6/25, 24% D. 3/10, 30% 2. Model 24% on a 5 x 5 grid. Cant do the answers, but if you did it please tell me! 3. Write a ratio as a percent In the seventh grade class, 19/25

47. ## Human Geography

Which of the following groups is usually the dominant religious group? a) The ethnic religion b) The universalizing religion c) The religious minority d) The religion in power e) The religious majority I'm stuck between the universalizing religion or the

48. ## GEOMETRY

△ABC∼△EFG ​. Given m∠B=48° and m∠G=61° , what is m∠A ?

49. ## Social Studies

Hi. Tell me if it did this right, because I am slightly confused. Antifederalists and Federalists debated about the language in the U.S. Constitution. Which of the following were major viewpoints of Antifederalists? Select all that apply. a. They believed

50. ## Health

1-Which f these methods are ineffective in protecting you from hiv? A-avoiding contact with blood B-Practicing abstinence C-sharing needles(my answer) D-avoiding alcohol 2-Samuel has engaged in high risk sexual behavior, but he feels fine. He thinks it's

51. ## Social studies

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

52. ## Math

I need help now

explain what makes Anne a complex character

54. ## Social studies

How often is the population size of the state legislative reviewed? A) every 2 years B) every 5 years C) every 10 years D) every 12 years

55. ## Social studies

how many members serve in South Carolinas House of Representatives ? A) 50 B) 100 C) 124 D) 159 I have no clue

56. ## chemistry

What mass of water is produced when 0.1 moles of C2H6 is reacted with 0.1 moles of O2?

57. ## trig

sec = 7/2 and is in Q1, then what is double angle of tan?

Many carnivals have a version of the double Ferris wheel. A large central arm rotates clockwise. At each end of the central arm is a Ferris wheel that rotates clockwise around the arm. Assume that the central arm has length 200 feet and rotates about its

(-2x)-6

60. ## Maths

Assume that the population of India is 120 million. If 40.25% of the population has height below 5 ft. and 30.76% of the population has height between 5 and 5.5 ft. Find how many people have height greater than 5.5 ft., rounding off your result to 2

61. ## chemistry

When does a chemical become a drug?

62. ## MATH

2(7w-1w+7)>122 ? what work would i do? im just learning inequalties and i have a quiz tomorrow with problems like this, please help!

63. ## English

I have to change the following sentence from passive voice to active voice and I'm having a hard time. Academic performance is influenced by peer pressure due to socializing negatively, lowering grades, and not staying on task.

64. ## math

The dance company has a \$10 cover charge, an average of 200 people will attend. For each \$0.25 increase in admission price, the average number attending decreases by 1. What should the owner charge in order to make the most money? what is the maximum money

65. ## Math

Please help me, I'm having a hard time setting up this problem. George can plant a garden in 2 hours, and it takes Joyce 3 hours. They work together for 45 mins, and George leaves and Joyce finishes the job alone. How long does it take Joyce to finish

66. ## Math

Please help me, I'm having a hard time setting up this problem. George can plant a garden in 2 hours, and it takes Joyce 3 hours. They work together for 45 mins, and George leaves and Joyce finishes the job alone. How long does it take Joyce to finish

67. ## physics

There is a legend of a Dutch boy who bravely held back the whole Atlantic Ocean by plugging a hole in a dike with his finger. Is this possible and reasonable? Estimate the force if the hole were about 1.5 square centimeter in area and 1.8 meter below the

I would greatly appreciate it if someone would please be kind enough to take the time and show me how to work these problems. Thank you very much Solve by finding y and graph using the slope and y-intercept: 3x-y=1(My answer -y=3x+1)which is wrong could

69. ## MATH

Need Answer to the Following Please: Using the 9 digits, 1, 2, 3, 4, 5, 6,7, 8 and 9 you can arrange four different digits to form a four-digit number that is NOT divisible by 7. The digits 1238 cannot be arranged to create a four-digit number that is

70. ## Math

The largest tree in the world is the General Sherman sequoia in Sequoia National Park, California. It is 275 feet high, has a diameter of 36.5 feet, and has an estimated weight of 2,150 tons. Fin the sequoia's circumference to the nearest tenth of a foot.

71. ## Math

Jason makes two pictures. Picture 1 is made with the help of a pencil and picture 2 is made with the help of a pencil, compass, and protractor Which statement best compares the two Answer: A:Picture 1 is a drawing because it does not use measuring tools

72. ## geomtry

Martin and Patrick have a model of an airplane which they want to duplicate. Martin uses a string and ruler to make approximate measurements of lengths to duplicate the picture. Patrick uses a pencil and paper and duplicates the picture without the help of

73. ## math

Lara wrote the statements shown in the chart. Statement One: If two lines intersect, then they intersect at exactly one point Statement Two: In a right triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the length of

74. ## geometry

Alice is making the profile of a face. She is also making an exact replica of a circle with a radius of eight inches. Which statement is correct about the profile and the replica?Answer A: The profile is made by sketching and the circle is made by drawing.

75. ## chemistry

What would be the result if 5.0 L of hydrogen was burned with 2.0 l of oxygen in a closed container?

76. ## science

describe 2 different ways to find the volume of an object. why might you choose to use on method or the other?

77. ## phisic

Treating air as an ideal gas of diatomic molecules, calculate how much heat is required to raise the temperature of the air in an 7.47 m by 14.9 m by 2.87 m room from 19.9°C to 21.7°C at 101 kPa. Neglect the change in the number of moles of air in the

78. ## Math

Simplify I came up with 5.5 (15x^5-21x^4+21x^2)/(3x^2 ) not sure if I did this the correct way it just doesn't seem right at all.

79. ## physics

Suppose 0.0150 kg of steam (at 100.00°C) is added to 0.150 kg of water (initially at 19.3°C.). The water is inside a copper cup of mass 54.1 g. The cup is inside a perfectly insulated calorimetry container that prevents heat flow with the outside

80. ## Physics

how do i find the volume of a block of platinum weighing 45.5 kilos

81. ## CHEMISTRY

CAN someone please point me in the right direction I am trying to find a complete list of all of the ate Oxyanions because I need to memorize them and can't find a complete list of them like sulfate nirtate phosphate carbonate... can someone provide a

82. ## algebra

a car sells for \$25000. if the rate depreciation is 15% what is the value of the car after 7 years

83. ## finance

a car sells for \$25000. if the rate depreciation is 15% what is the value of the car after 7 years

84. ## algebra

what would [5-2]+-7-(-9)= what would be my specific steps

85. ## finance

on may 12, Scott accepted an \$8000, 12%, 90 day note for a time extension of a bill for goods bought by ron. On june 12, scott discounted the note at able bank at 10% What proceeds does scott receive

86. ## math

Ron bought goods from shelly katz. On may 8, shelly gave ron a time extension on his bill by accepting a \$3000, 8%, 180 day note. On august 16, shelly discounted the note at Roseville bank at 9% what proceeds does shelly rerceive?

87. ## math

on may 12, Scott accepted an \$8000, 12%, 90 day note for a time extension of a bill for goods bought by ron. On june 12, scott discounted the note at able bank at 10% What proceeds does scott receive

Hey i need help on my math hw i just don't get it lol please help me! Here the questions Which of the following equations has a graph that is parallel to the graph of 4x-2y=7? A:-2y = 4x+2 B:7-4x=2y C:4x+2y=2 D:-4x-2y=-7 E:2y=4x+7 Determine if the two

90. ## NUTRITION

WHICH IS THE MOST COMMON FOOD IN USA?

91. ## social studies

U.S.A old diet-food

1. ## language arts

SERIOUSELY??? Why cant you answer an damn question?

posted on May 6, 2020
2. ## geometry

Wait im confused . how do i multiply them to get -1

posted on January 30, 2020
3. ## geometry

posted on January 30, 2020
4. ## geometry

I suck at geo

posted on January 8, 2020
5. ## geometry

I really need help

posted on January 8, 2020
6. ## geometry

I tried A but it was wrong . Both the slopes are different not the same

posted on January 8, 2020
7. ## geometry

Is it D?

posted on January 8, 2020
8. ## geometry

Sorry line A is Y=1/2x-1

posted on January 8, 2020
9. ## Music

=.= is right!! thx

posted on October 30, 2019