Recently Submitted Homework Problems:

2236. What is MA?(Answered)


4704. polynomial project help. -2, -1, 1/3, 3i, -3i, those are the roots given to me, graph the polynomial, and find and classify all the extrema.
(Answered)


4708. It is possible to melt ice by rubbing one block of it against another. How much work, in joules, would you have to do to get 1.00 g of ice to melt? (Answered)


4711. What is 1/2 divided by 1/10 ?(Answered)


4847. (m+4)-2(3m-8)=5m-(m+2)(Answered)


4729. s=-16t^2+vot solve for t(Answered)


4749. the lone star shipping company charges $14 plus $2 a pound to ship an overnight package discount shipping company charges $20 plus 1.50 a pound to ship an overnight package. for what weight is the charge the same for the two companies
(Answered)


4912. Are the events A and A bar disjoint? Explain. Then give an example of a real life event and its complement(Answered)


5015. How does language
allow self reflection?
(Answered)


5019. What is 5+654(Answered)


5036. explain 'enthaplay'(Answered)


5061. what is the immune system(Answered)


5080. Marilyn had a bag of gold coins. She gave 1/8 of them to her mother and then gave 1/2 of what was left to her brother. She then gave 2/7 of what was left to her dad. If she had25 coins left, how many did she have originally?(Answered)


5092. what is 10/3(Answered)


5106. what is 5*5(Answered)


5121. multiplying fraction by a fraction 1/3 1/2 of 1/3(Answered)


5134. 5m+17=3(Answered)


5143. from the premise P and Q help me reach the conclusion notP or Q(Answered)


5153. help me with this math problem :
f(x)=(x+5)/4,
g(x)=2/(x-3),
find (f*g)(x)(Answered)


5174. 1. How did monopolies contribute to the economic challenges that farmers faced in the United States in the late 19th century?

A - Independent farmers were forced to sell their farms when they could not compete with the output of large, commercial farms.
B - Farmers were dependent on industries in which high prices were set by companies that had no competition.
C - Monopolies were exempt from legislation that was intended to regulate business practices.
D - Farmers' options for purchasing seed, livestock, and farm equipment were severely limited when smaller companies were absorbed by industry giants.(Answered)


5178. Your friend wants you to lend her $20 bucks. You say "only if you give me an extra $1". She pays you back 6 months later. What was the annual interest rate she paid? Use the formula and explain, in a paragraph, how you found the answer.(Answered)


5179. The Numerator Of The Fraction That Is Equivalent To 3/4 And Has A Denominator Of 8 Is...(Answered)


5186. help me solve this problem tan^2x-(tan^2x*sin^2x)
(Answered)


5190. Algebra 2, Arithmetic sequences -
Find a1 for the series
d= -4, n=42, s42 =-3360(Answered)


5199. I need help to solve the following implicit differentiation problem:
dy/dx [y/x+y]-x = 2 + x^2
Thank you(Answered)


5199. I need help to solve the following implicit differentiation problem:
dy/dx [y/x+y]-x = 2 + x^2
Thank you(Answered)


5200. Assume the random variable X has a binomial distribution with the given probability of obtaining a success. Find the following probability, give the sample size. Round your answer to 3 decimal places.

P(X<=2), n=6, p=0.4(Answered)


5258. Which of the following phrases describes the nucleus?
A. an organelle that has a double membrane and pores
B. a system of folded membranes that is covered in ribosomes
C. an organelle that has a membrane and a cell wall
D. an organelle that has a folded inner membrane
(Answered)


5270. Let f(x) = 2-x^2. Use the definition of derivative (a limit) to find f'(x) and then calculate f'(2)(Answered)


5273. please help me solve this:
In basketball, a free throw is worth 1 point and a field goal is either 2 or 3 points. Suppose a professional basketball player scored a total of 1938 points in one season. The total number of 2-point field goals and 3-point field goals was 701, and he made 475 out of 557 free throws attempted.Find the number of 2-point and 3-point field goals the player made that season.(Answered)


5274. help me get these history questions!

(canadian history)
1.where did canada decide to expand? why?
2. what did they need to build in order to ensure the success of this expansion what would this help them achieve?
(Answered)


5281. whats the uses of mitochondria in a cell?(Answered)


5333. Graph the inequality. y<-2x+2(Answered)


5336. 2f+g=f+h for h
(Answered)


5298. a block weight 2000 N . if a horizontal force of 100 N is required to keep it in motion with a constant speed of horizontal surface what is the coefficient of friction?(Answered)


5318. What is the length of the hypotenuse in the right triangle that I have drawn?
(Answered)


5347. Help me solve this problem, please:
Let g(x)=sqrt(x) for x greater than or equal to 0.
a) find the average rate of change of g(x) with respect to x over the intervals [1, 2], [1, 1.5], and [1, 1+h]
b) Make a table of values of the average rate of change of g with respect to x over the interval [1, 1+h] for some values of h approaching zero, say h=.1, .01, .001, .0001, .00001, and .000001
c) what does your table indicate is the rate of change of g(x) with respect to x at x=1?
d)calculate the limit as h approaches zero of the average rate of change of g(x) with respect to x over the interval [1, 1+h](Answered)


5378. how to write 432 in base 5(Answered)


5383. A driver uses about 600 gallons of gas a year to get around his car. For how many years could he drive his car on all the gasoline that is being lost in one day as a result of this spill. In one day 2,000,000 gallons spilled. (Answered)


5387. The radius, r, in centimeters, of a melting snowball is given by r=50-2.5t, where t is the time in hours. The snowball is spherical with volume V=(4/3)(pi)(r^3) cm^3. Find a formula for V= f(t), the volume of the snowball as a function of time.
(Answered)


5389. The russian ice breaker Yamal can move forward through 2.3 meter thick ice at speed of 5.5 kilometers per hour. write and solve a multiplication equation to find the number of hours it will take to travel 82.5 kliometers through the ice
(Answered)


5391. is there a cycle to animal diversity
(Answered)


5394. In 2006, the population of a country was 82 million and growing at a rate of 1.3% per year. Assuming the percentage growth rate remains constant, express the population, P, in millions, as a function of t, the number of years after 2006.
(Answered)


5401. If t=g(v) represents the time in hours it takes to drive to the next town at velocity v mph.
Which if the following statement(s) correctly explain the meaning of (g^-1)(t) ? Check all that may apply.

A. The number of hours it takes to drive t miles.
B. The velocity in mph of the car if it takes t minutes to drive to the next town.
C. How many hours it takes to reach a velocity of t mph.
D. The velocity in mph of the car after you have driven for t miles.
E. The velocity in mph of the car if it takes t hours to drive to the next town.
F. None of the above
(Answered)


5403. Find a formula for the exponential function that satisfies h(2)=22 and h(4)=14.08(Answered)


5424. Each of the following passages contains a single argument. Using the letters P and C identify the premises and conclusion of each argument, writing the premises first and the conclusion last. List the premises in the order in which they make the most sense, and write both premises and conclusion in the form of separate declarative sentences.

Artists and poets look at the world and seek relationships and order. But they translate their ideas to canvas, or to marble, or into poetic images. Scientists try to find relationships between different objects and events. To express the order they find, they create hypotheses and theories. Thus, the great scientific theories are easily compared to great art and great literature.(Answered)


5445. Heather wanted to measure the effects of erosion on a mound of soil in her backyard. The area she measured was 9 inches in height. During a storm, it eroded 1/8 inch every day for 8 days. Write an expression that can be used to find the height of the mound of soil after the storm and simplify the expression.
(Answered)


5452. 4^x = 9.3(Answered)


5457. what is the basic structure of web "index" compiled by a company like Google?
(Answered)


5458. What is the difference between a grid and a cluster (in regards to distributed computing)?
(Answered)


5459. What is MapReduce and how does it relate to big data and distributed computing?(Answered)


5465. Which English colonies of the 17th century sought to provide religious toleration. Which did not? Which had religious toleration?(Answered)


5466. I am having trouble with the distiction of vocabulary that come with Mitosis and Meoisis.(Answered)


5477. What would be a relation for natural numbers that is symmetric but not transitive or reflexive?(Answered)


5512. help me solve this math problem
(Answered)


5565. find the probability of rolling factors of 3 on two dice

(Answered)


5575. What are the oxidation numbers in the equation AgNO3 + Ni yields Ag + Ni(NO3)2

(Answered)


5576. a card is chosen at random from a deck of 52 cards.it is then replaced and a second card is chosen. what is the probability of choosing a Jack first and a 3 second?
(Answered)


5588. I need help with the shape, and arrangement of certain fungi. I cannot seem to find them anywhere.(Answered)


5597. Evaluate the integral.
(Answered)


5602. Evaluate the integral or show that it is divergent.
(Answered)


5621. 3x=2y
y=x+2
(Answered)


5662. dividing monomials

(Answered)


5640. A paper towel cut 4x4cm absorbs 1.21g of water. If one roll is 13.9m^2 and costs $4.47 per roll, calculate the total amount absorbed (in mL) for every dollar's worth of paper towel. (Answered)


5656. 3e^(x ) - 5 = -2e^(-x)
(Answered)


5657. The percent of increase is 16%. If the new number is 522, find the original number.(Answered)


5669. Turner middle school has 110 boys. 56% of the students are girls. How many students go to this school?(Answered)


5779. An aquarium is built with a 1.58 foot radius circle as a base with center at the origin. The aquarium us built with equilateral triangles as cross sections perpendicular to the x-axis. Find the volume of aquarium to the nearest foot.
(Answered)


5821. Which of these two sentences seem more of a better choice for writing stories? This isn't my actual homework question, but I would like to know for future references. The sentences are:

(Answered)


5824. Help me solve this scientific method question. _________ A person who wonders why fresh water lakes often freeze over but the oceans do not freeze over.(Answered)


5838. Which of the following are torso elements? Which are limb elements?
Ribs
Radius
Ulna
Skull
Sternum(Answered)


5843. I cant remember how to do this maths.
(Answered)


5830. Nicole took an algebra test worth 75 points. If she earned 45 points on the test, what percent did she score?(Answered)


5848. What value of N makes the polynomial a perfect trinomial square?
(Answered)


5859. the working substance for a carnot cycle is 8 lb of air. the volume at the beginning of isothermal expansion is 9 cu ft and the pressure is 300 psia. The ratio of expansion during the addition of heat is 2 and the temperature of the cold body is 90 degree F. Find (a) QA, (b) QR, (c) V3, (d) p3, (e) V4, (f) p4, (g) pm, (h) the ratio of expansion during the isentropic process, and (i) the overall ratio of compression.
(Answered)


5859. the working substance for a carnot cycle is 8 lb of air. the volume at the beginning of isothermal expansion is 9 cu ft and the pressure is 300 psia. The ratio of expansion during the addition of heat is 2 and the temperature of the cold body is 90 degree F. Find (a) QA, (b) QR, (c) V3, (d) p3, (e) V4, (f) p4, (g) pm, (h) the ratio of expansion during the isentropic process, and (i) the overall ratio of compression.
(Answered)


5859. the working substance for a carnot cycle is 8 lb of air. the volume at the beginning of isothermal expansion is 9 cu ft and the pressure is 300 psia. The ratio of expansion during the addition of heat is 2 and the temperature of the cold body is 90 degree F. Find (a) QA, (b) QR, (c) V3, (d) p3, (e) V4, (f) p4, (g) pm, (h) the ratio of expansion during the isentropic process, and (i) the overall ratio of compression.
(Answered)


5859. the working substance for a carnot cycle is 8 lb of air. the volume at the beginning of isothermal expansion is 9 cu ft and the pressure is 300 psia. The ratio of expansion during the addition of heat is 2 and the temperature of the cold body is 90 degree F. Find (a) QA, (b) QR, (c) V3, (d) p3, (e) V4, (f) p4, (g) pm, (h) the ratio of expansion during the isentropic process, and (i) the overall ratio of compression.
(Answered)


5859. the working substance for a carnot cycle is 8 lb of air. the volume at the beginning of isothermal expansion is 9 cu ft and the pressure is 300 psia. The ratio of expansion during the addition of heat is 2 and the temperature of the cold body is 90 degree F. Find (a) QA, (b) QR, (c) V3, (d) p3, (e) V4, (f) p4, (g) pm, (h) the ratio of expansion during the isentropic process, and (i) the overall ratio of compression.
(Answered)


5859. the working substance for a carnot cycle is 8 lb of air. the volume at the beginning of isothermal expansion is 9 cu ft and the pressure is 300 psia. The ratio of expansion during the addition of heat is 2 and the temperature of the cold body is 90 degree F. Find (a) QA, (b) QR, (c) V3, (d) p3, (e) V4, (f) p4, (g) pm, (h) the ratio of expansion during the isentropic process, and (i) the overall ratio of compression.
(Answered)


5872. Calculate the present value of $25,000 to be received in 5 years, assuming an opportunity cost of 10%. (Answered)


5873. Please teach me how to do area of rectangles.
(Answered)


5880. Question:
(Answered)


5883. What are all the main forms of government? (Ex. monarchy, feudal, democratic...) Main types and sub-types would be appreciated.(Answered)


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