
Physics
When a block slides a certain distance down an incline the work done by gravity is 300 J. What is the work done by gravity if this block slides the same distance up the incline? a) 300 J b) zero c) 300 J d) It cannot be determined without knowing the

math
find the nominal rate of interest convertible quarterly which is equivalent to a nominal rate of discount of 6% p.a. convertible monthly

chemistry
A tank holds 52.9 cm3 of water. What is the volume in in3? (2.54 cm=1 in, Remember significant figures, but this answer does not need units, since the answer must be in in3)

chemistry
A student measure 9.43 mL of an unknown liquid in a graduated cylinder. The mass of the empty cylinder is 34.670 g, and the mass of the cylinder and liquid is 44.197 g. What is the density of the unknown liquid? (remember significant figures and units in

dynamics
The acceleration of a particle is defined by the relation a = k/x . It has been experimentally determined that v = 15 ft/s when x = 0.6 ft and that v = 9 ft/s when x = 1.2 ft. determine (a) the velocity of the particle when x = 1.5 ft and (b) the position

Language Arts
What does explicit mean?(1 point) information stated directly xxx information understood from context information that is inferred information that is somewhat vague What is an inference? (1 point) a detail the author provides in a text a conclusion based

Technology
Which of the following is not an example of malicious code? A. Trojan horse B. worm C. virus D. spy gear**

Physics
You are pulling your little sister on her sled across an icy (frictionless) surface. When you exert a constant horizontal force of 120 N, the sled has an acceleration of 1.7 m/s2 If the sled has a mass of 8.4 kg, what is the mass of your little sister?

math
1. Which angles are adjacent angles? (1 point) ∠GBM and ∠FBC ∠CBX and ∠FBC ∠XBG and ∠FBC ∠MBY and ∠FBC 2. The measure of ∠3 is 101°. Find the measure of ∠1. (1 point) 101° 106° 74° 79° 3. Is line l parallel to line m? Explain.

social studies
1. The Kansas Nebraska act continued ideas of which of the following 1. Missouri compromise 2. compromise of 1850 3. free soil party 4. Dred Scott v Sanford

Health
1. The muscular system is essential because it allows our bones to strengthen contract lengthen move 2. which muscle is attached to a bone by tendons? smooth muscle cardiac muscle skeletal muscle involuntary muscle 3. To prevent injury, each time you

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

Math
1. Classify the triangle according to side length and angle measurement 2. Classify the triangle according to side length and angle 3. Classify the triangle with side lengths 4,4, and 4 4. Classify the triangle with the measuring 69,42, and 68, 5.

Chemistry
The density of aluminum is 2.70 g/ml. What is the mass of a cube of Al that measures 2.20 cm on each side?(remember significant figures and to include the units of g in your answer, remember that 1 ml=1 cm3)

Check my answers SS
Which of the following state program areas consumes the largest part of the executive budget? (1 point) human services education *** natural resources transportation 2. Which state department is responsible for mental healthrelated issues and welfare? (1

Health
a main function of the skeletal system is to protect internal organs allow your body to move store and produce materials all of the above

Algebra 1
Plz help me with the following problems. Simplify. 5^1(3^2) Simplify. mn^4/p^0q^2 Write a scientific notation. 0.0042 Write in standard notation. 6.12*10^3 Simplify. Write in scientific notation. 0.5(8 * 10^5) Simplify. Write in scientific notation. (9

Language arts
Question 1 A) Which characteristic is true of a theme?(1 point) It is not stated by the author outright. ***** It is not linked to symbols. It is explained by the author. It is a summary of the plot. Question 2 A) Which description best defines a theme?(1

Language/ Central Idea or Theme Quick Check
1. Which of the following describes the theme of a story?(1 point) a statement that gives the most important facts of the story a message about life that is explored and expressed the idea that connects the story's parts the key details regarding

Physics
Figure 1 shows a red car and a green car that move toward each other. Figure 2 is a graph of their motion, showing the positions xg0 = 270 m and xr0 = 35.0 m at time t = 0 (time they intersect =12s). The green car has a constant speed of 20.0 m/s and the

physic
A sounding rocket, launched vertically upward with an initial speed of 79.0 m/s, accelerates away from the launch pad at 5.70 m/s2. The rocket exhausts its fuel, and its engine shuts down at an altitude of 1.15 km, after which it moves freely under the

Maths
If the lcm of first 20 natural no. is x then find the lcm of first 25 natural no.

prob&stat
A starting lineup in basketball consists of two guards, two forwards, and a center. Now suppose the roster has 5 guards, 4 forwards, 3 centers, and 2 "swing players" (X and Y) who can play either guard or forward. If 5 of the 14 players are randomly

Health
the heart is composed of how many loops

Chemistry
What will be the freezing point of a solution made by dissolving 5.25 g of naphthalene (C10H8) in 100.0 g benzene (C6H6?). The normal freezing point of benzene is 5.5°C and K f (benzene) is 5.12°C / m.

Algebra 1
How many twodigit numbers have a tens digit that is greater than the units digit? Explain.

math  pls check my work!
help pls asap!!! Check my work! 1. Find the area for the following figure. (trapazoid: bottom base 16.3, top base 5.9, height 4.6) 51.06 m^2*** 74.98 m^2 27.14 m^2 102.12 m^2 2. Find the area for the following figure. (1 point) (triangle: base 20.3, height

calculus
Water is poured into a conical tank 6m across the top and 8m deep at the rate of 10m/min. How fast is the water level rising when the water in the tank is 5m deep?

math
Each year a growing tree adds a new ring to its section some years the ring is thicker than others why do you suppose this happens? Suppose the average thickness of growth rings in the Flintstones national forest is 0.5cm about how old is old Fred a famous

Chemistry
If milk has a density of 1.03 g/mL, what is the mass of 6.00 qt, reported in kilograms?

English
3. PART B: Which phrase from the text best supports the answer to Part A? A. “intending any mischief” (Paragraph 8) B. “came to do Midas a favor” (Paragraph 8) C. “the stranger gazed about the room” (Paragraph 9) D. “glistened upon all the

statistics
The random variable W can take on the values of 0, 1, 2, 3, or 4. The expected value of W is 2.8. Which of the following is the best interpretation of the expected value of random variable W? A. A randomly selected value of W must be equal to 2.8. B.The

Chemistry
In Part C, you determined that the proper ratio of packages of buns, packages of patties, and jars of pickles is 3:2:4. If you want to feed at least 540 people, but also maintain the proper ratio, what minimum number of packages of buns, packages of

Geometry
Write an equation of an ellipse in standard form with the center at the origin and with the given characteristics: Vertex (3,0) and covertex (0,2)

Chemistry
Carbon monoxide at a pressure of 1490 mmHg reacts completely with O2 at a pressure of 745 mmHg in a sealed vessel to produce CO2. What is the final pressure in the flask? 2CO2 (g) + O2 (g) > 2CO2 (g) I thought it was just a simple addition, but it was

Social Studies
Which factor contributed to Songhai's downfall as a powerful empire? A. a decadeslong drought B. its refusal to participate in trade C. internal struggles between rulers D. its geographic isolation from other regions Which factor contributed to the rise

English
Which of the following sentences from the happy man best supports the theme selected above? (The above theme was Too much of a good thing can make a person sick) a. "Inside him, he felt a boundless power, an imperishable energy, an ability to achieve

Social Studies
Heyooo, I’ve finished The Roman and Byzantine Empires Unit Test, and I am relatively confident in almost every answer, but I would like someone to check over my answers for me! I’ll be uber grateful! What steps did the Roman Empire take to expand and

Social Studies
Question 1: The western Roman empire finally collapsed due to A. attacks by the Persian B. civil wars between army commanders C. attacks by Germanic tribes D. conquest by the eastern empire Question 2: What conditions most directly resulted from the

SAT Math
If the expression 4x^2/2x1 is written in the equivalent form 1/2x1+A, what is A in terms of x? A) 2x+1 B) 2x1 C) 4x^2 D) 4x^21

Social Studies
Which event spread Islam to India?

Geometry
Which statement is true? A. All rectangles are quadrilaterals. B. All quadrilaterals are rectangles. C. All quadrilaterals are parallelograms.** D. All quadrilaterals are squares. Can someone check my answer

Algebra
Find the area of the irregular figure (use 3.14 for pi). SHow your work. Round to the nearest tenth. Triangle with a semicircle on it. The triangles height is 4.8ft and the circle's diameter is 3.6ft. Every time I do my work I keep getting 12.3 and I have

Can someone check my answer plzzz!!!
Simplify (6x^2)^2(0.5x)^4 show your work IS this right?? (6x^2)^2 * (0.5x)^4 =6^2 x^4 *(0.5)^4 x^4 =(36 * 0.0625) * (x^4 * x^4) = 2.25 * x^0 =2.25 *1 =2.25 is this right Can you check my answer?

calculus
If a ball is thrown into the air with a velocity of 48 ft/s, its height in feet t seconds later is given by y = 48t − 16t2. (a) Find the average velocity for the time period beginning when t = 2 and lasting for each of the following. (i) 0.5 seconds ft/s

Calculus
Use the method of cylindrical shells to find the volume V generated by rotating the region bounded by the given curves about the specified axis. x = 7y^2, y ≥ 0, x = 7; about y = 2

Ed Tech
1. The _____________ of a story describes the events that take place as well as the conflict or problem that must be resolved. (1 point) characters setting plot timeline 2. The _____________ of a story describes the time and location of a story. (1 point)

math
1. QTR and ______ are complementary. QTS * RTS PTN QT 2. QTN and _____ are supplementary. QTS QTP * RTS PTR 5. PTN is adjacent to _____. QTR PTS RTS NTS *

Algebra worksheet
Hello. My algebra teacher gave me this worksheet last week and everyone had to bring it yesterday and I haven't done it yet. Can someone please help me. He said Friday is the last day or he's going to take away some points. I've been having trouble with

Trigonometry
a bicycle with 24inch diameter wheels is traveling at 15mi/hr. a) Find the angular speed of the wheels in rad/min. b)How many revolutions per minute do the wheels make?

Math.
1. Find the area of the given circle. Round to the nearest tenth. *theres a picture of a circle and the radius is 3.5* A. 22.0 cm *squared* B.38.5 cm *squared* C. 11.0 cm *squared* D. 42.8 cm *squared* 2.Find the circumference of the given circle. Round to

Physics
A motorcycle is following a car that is traveling at constant speed on a straight highway. Initially, the car and the motorcycle are both traveling at the same speed of 19.0m/s , and the distance between them is 52.0m . After t1 = 5.00s , the motorcycle

Health And Physical Ed
1. during the exchange of air in your lungs, oxygen is being taken into your bloodstream while this substance is being released microorganisms carbon dioxide*** plasma mucus 2. the gas exchange of oxygen to the bloodstream takes place in what part of

Ed. Tech
Which definition below best describes the definition of theme within poetry? A. It is the pattern of rhyming lines within a poem. B. It is the underlying message that a poem conveys. C. It is the pattern of stressed and unstressed syllables in a poem. D.

physics
What, roughly, is the percent uncertainty in the volume of a spherical beach ball whose radius is r = 0.84 ± 0.04m ?

Math
The distance require to stop a car varies directly as the square of its speed. If 250 feet are required to stop a car traveling 60 miles per hour, how many feet are required to stop a car traveling 96 miles per hour!

CALCULUS
Sketch the region enclosed by the given curves. y = 4/X y = 16x, y = 1X/16 x > 0 and the area between the curves

physics
A baseball has a mass of about 155 g. What is the magnitude of the momentum of a baseball thrown at a speed of 95 mph?(Note that you need to convert mass to kilograms and miles per hour to meters per second.) Answer in units of kg · m/s

Chemistry
Calculate the energy change associated with the transition of an electron from the n=2 shell to the n=5 shell in a Bohr hydrogen atom.

physics
A small sphere of mass m = 7.50 g and charge q1 = 32.0 nC is attached to the end of a string and hangs vertically as shown in the figure. A second charge of equal mass and charge q2 = –58.0 nC is located a distance d = 2.00 cm below the first charge. (a)

physics
A 15.0kg test rocket is fired vertically from Cape Canaveral. Its fuel gives it a kinetic energy of 1961 J by the time the rocket motor burns all the fuel. What additional height will the rocket rise? m  how do you organize this? how do the J's fit in?

calculus
1. If 3x^2+2xy+y2=2 then the value of dy/dx x = 1 is A. 2 B. 0 C. 2 D. 4 E. not defined

Chemistry chemical equilibrium
1.25 mol of NOCl was placed in a 2.50 L reaction chamber at 427 celciciu degre . After equilibrium was reached, 1.1 mole of NOCl remained. Calculate the equilibrium constant Kc for the reaction

Math
Suppose that 8 turns of a wire are wrapped around a pipe with a length of 60 inches and a circumference of 4 inches. What is the length of the wire

phyics (PLEASE PLEASE READ)
a bicyclist is finishing his repair of a flat tire when a friend rides by at 3.5 m/s. two seconds later, the bicyclist hops on his bike and accelerates at 2.4 m/s^2 until he catches his friend? (a) how much time does it take until he catches his friend?

science
what happens to washing soda crystals when mixed with sulphuric acid

physics
A child slides down a hill on a toboggan with an acceleration if 1.5 m/s2^2. If she starts at rest, how far has she traveled in (a) 1.0s,(b) 2.0s, and (c) 3.0s?

English Check
Online Vs Traditional Dating Thesis : Technology has brought many innovations in human life and one of the greatest is online dating. However, just like Traditional dating, online involves a lot heartbreaks too and both are harmful if done recklessly. In

english/CHECK
My answers 1) Assail 2)Banal 3)mercenary 4)allusion 5)Taint 6) appease 7)Arbitrary 8)syndrome 9)altruistic 10)euphemism MY OLDER BROTHERS MARK HAS NO LUCK WITH WOMEN, HE GOES INTO ONE OF TWO STYLES OF CONVERSATION. THE FIRST IS TO (1) TAINT HER WITH A

Physics
Question: The amount of internal energy needed to raise the temperature of .25 kg of water by 0.2 degrees Celsius is 209.3 J. How fast must a 0.25 kg baseball travel in order for its kinetic energy to equal this internal energy? KE = (.5)(m)(v^2) 209.3 J =

Physics
What is the ycomponent of a 95.3N force that is exerted at 57.1 degrees to the horizontal?

LA
1.Which of the following is plot?(1 point) the sequence of events in a story a lesson the reader learns the author's purpose for writing a story a problem that a character must solve 2.Which word means “the time and place in which a story takes

Language arts
Question 1 What is dialogue? the words characters say to each other in a story or drama *** the physical descriptions of characters in a story or drama the description of the setting in a story or drama the development of conflict in a story or drama

english
Question 1 A) Which of the following is a summary of a literary text?(1 point) a list of a story's main points a mix of minor details and main points extracted from a text a shortened version of a work that includes the main points of the story and the

Language Arts
1. Which of the following best describes text evidence?(1 point) A. ideas or conclusions about details that are hinted at but not stated B. information or details from a text that support an idea or analysis*** C. data on the amount of time it takes to

English
Which of the following is a theme in a literary text?(1 point) the most important plot events** the most important character a lesson about life Which of the following is the main idea of a story?(1 point) the point of view of the narrator the key details

language arts
Which option is an example of a subgenre of poetry?

Language Arts 6
6.2.2  Quiz: Making Connections: Roll of Thunder, Hear My Cry Quiz How does T.J.’s relationship with Cassie relate to the theme of friendship in this chapter of Roll of Thunder, Hear My Cry? Correct answer D. T.J.’s relationship with Cassie shows that

Geometry
12. To describe a sequence of transformations that maps triangle ABC onto triangle A''B''C'', a student starts with a reflection xaxis. `How should the student complete a sequence of transformations to map ABC onto triangle A''B''C''?

Mathematics
A boy has 800 naira. He spend 160 naira. What fraction of his original money does he have left

Math
Julia is allowed to watch no more than 5 hours of television a week. So far this week, she has watched 1.5 hours. Write and solve an inequality to show how many hours of television Julia can still watch this week?

statistics
Let the random variable X represent the number of people living in a household in a certain town. The standard deviation of X is 1.8. Which of the following statements is the best interpretation of the standard deviation? A.The number of people living in a

physics
the tape in a videotape cassette has a total length 256 m and can play for 2.3 h. As the tape starts to play, the full reel has an outer radius of 38 mm and an inner radius of 13 mm. At some point during the play, both reels will have the same angular

Social studies
What major difference between the Eastern and Western churches led to their schism? A. They disagreed about the divinity of Christ. B. They disagreed about the use of icons. C. They disagreed about Church leadership and authority. D. They disagreed about

Math help!
Simplify the expression (n^4)^8 A. n^(48) B. n^(32) C. n^(12) D. n^4

Science
1. How does Earth’s rotation cause day and night? (1 point) As Earth rotates toward the east, the sun appears to rise in the west and set in the east. As Earth rotates toward the east, the sun appears to rise in the east and set in the west. Earth

Physical Education
1. Decide which of the following physical activities incorporates stretching on a regular basis? (1 point) 2. (Blank) stretching is now considered to be dangerous (1 point) 3. Which of the following is a lower body stretch? (1 point) 4. Which of the

Math
Ed is planning to put up a rectangular garden with a fixed area of 120m^2. If the dimension of the garden have to be whole numbers,determine the dimension that will require the least amount of fencing materials to enclose the garden.

Algebra
if (x,y) is a solution to the system of equations above and x > 0 what is the value of x? yx^2 +2 = 9x y = 4x + 4 What is the value of y in the solutions of the system of equations above? 8x4y =7 5y  4x = 10

Social studies help PLEASE
Which of the following factors helped trade to thrive during the Roman empire? Select all that apply. A. peace throughout the empire B. a shared religion throughout the empire

english
Which is correct: (Who, Whom) are you going to the park with? A. Who B. Whom I think its whom?

maths
Prove SinA/1CosA = CosecA + CotA

alebra
Let f(x)=2x^2+x3 and g(x)=x1. Perform the indicated operation then find the domain. (f*g)(x) a.2x^3x^24x+3; domain:all real numbers b.2x^3+x^23x; domain: all real numbers c.2x^3+x^2+4x3; domain: negative real numbers d.2x^3+x3x+3; domain: positive

Maths
The 14th term of an A.P is 96,while 25th term is 173 find the ,19th term,sum of 13th and 56th terms,product of 6th and 13th terms.

math
Diagonal of a rhombus are in the ratio 3:4. If its perimeter is 40cm, find the length of the side and diagonals of rhombus

Art
Im having trouble with this quiz and I need your help. I have tried my best to answer them and this is what I got. 1. Which of the following best characterizes the new kingdom? A.political strength and cultural change in Egypt. B. It represents the period

Health. Check my answers please
Can someone please check my answers. 1. Violence resulting in the death of another person is called A. Bullying B. Homicide C. Conflict D. Rape 2. Using the excitement of violence to keep video games users playing their games is an example of which risk

science
Which combination of sex chromosomes results in a male human being? 1 XX 2 YY 3 XY 4 either XX or YY is it a?

Social Studies
What was Alexander Hamilton’s main reason for insisting that all the nation’s debts must be paid in full?

Physics, fluid mechanics
The temperature of earth atmosphere drops 5°C for every 1km elevation above the earth surface. If the air temperature at ground level is 15°C and 760 mmHg, determine the elevation in m when the pressure is 380 mmHg. Assume the air is an ideal gas with