Wednesday

October 1, 2014

October 1, 2014

Total # Posts: 71,510

**math**

If money can earn 5.25% compounded monthly, what is the value of an annuity consisting of annual payments of $2500 continuing for 16 years? The first payment will be received today.
*June 7, 2014*

**Physics**

An engine of the orbital maneuvering system (OMS) on a space shuttle exerts a force of for 3.90 s, exhausting a negligible mass of fuel relative to the 95,000-kg mass of the shuttle. (a) What is the impulse of the force for this 3.90 s? (b) What is the shuttle’s change in...
*June 7, 2014*

**calculus**

The Audubon Society at Enormous State University (ESU) is planning its annual fund-raising "Eat-a-thon." The society will charge students 90¢ per serving of pasta. The only expenses the society will incur are the cost of the pasta, estimated at 20¢ per ...
*June 7, 2014*

**MATH**

1. The table shows the results of spinning a four-colored spinner 50 times. Find the experimental probability and express it as a decimal. P(not red) = ? red | blue | green | yellow ---------------------------------------- 20 | 10 | 9 | 11 (1 point) a 0.6 b 0.4 c 0.2 <...
*June 7, 2014*

**Math**

HM... I thought it's 4 x 7 = 28.
*June 6, 2014*

**Math**

Ansgar is writing a novel. He writes seven days a week. On each of those days he write for at least 4 hours but never more than 8 hours. Last week, he wrote for exactly 46 hours. What is the maximum number of days on which he could have written for 8 hours? A. 2 days B. 3 days...
*June 6, 2014*

**Math**

I need to write the standard equation for the circle that passes through the points: (-5,0) (0,4) (2,4) I have to use the general equation for a circle: x^2+y^2+dx+ey+f=0
*June 6, 2014*

**Chemistry**

How many grams of HCl are needed in order to make 0.500 liters of a 0.100 M HCl solution? 1.82 g 18.2 g 0.500 g
*June 6, 2014*

**wdwd**

least positive value of csc(4 theta +3) sin( 5 theta - 6) =1
*June 6, 2014*

**algebra**

Find the product. -3m (m + 8)
*June 6, 2014*

**Math**

5x^2 + 6 - 4x + 9x^2 + 17x 5x^2 + 9x^2 are like terms. -4x + 17x are like terms. Combine those like terms. So: 14x^2 + 13x + 6 Same applies with the second expression.
*June 6, 2014*

**Math**

It looks like all you have to do is combine like terms and right them in standard form, from largest variables to smallest, ex. 4x^2 + 3x - 3.
*June 6, 2014*

**Math**

14x^2 + 13x + 6 And -4x^2 + 2x + 3
*June 6, 2014*

**Math**

A 25-foot ladder stands against a vertical wall at an angle of n degrees with the ground. If sin n = 4 / 5, how far is the base of the ladder from the wall? A. 12 B. 13 C. 14 D. 15 E. 16
*June 6, 2014*

**Algebra **

If Tom Bombadil's house is 12 miles east of Hobbiton and 16 miles south, what is the straight line distance (omit units) Where do I start ?
*June 6, 2014*

**maths**

Show the jumps of five in counting from one to hundreds.
*June 6, 2014*

**Algebra**

Simplify (x+3/x^2 -36/x+3) / (x+3/x)
*June 5, 2014*

**Algebra **

How did I approach this problem ? You are offered two different sales jobs. The first company offers a straight commission of 3% of the sales. The second company offers a salary of $ 420 per week plus 2% of the sales. How much would you have to sell in a week in order for the ...
*June 5, 2014*

**Algebra**

Thank You.. However I entered this in my online homework and the computer said it was incorrect. It said that I should be entering a LIST of numbers but I am not sure what they mean by that
*June 5, 2014*

**Algebra **

How did I approach this problem ? You are offered two different sales jobs. The first company offers a straight commission of 3% of the sales. The second company offers a salary of $ 420 per week plus 2% of the sales. How much would you have to sell in a week in order for the ...
*June 5, 2014*

**grammar**

Which is correct? apostrophe "s" or no??? Sam wanting to rule the country sparks great controversy. or Sam's wanting to rule the country sparks great controversy.
*June 5, 2014*

**English**

Which sentence uses lie or lay correctly? (1 point) Please lay your pencil on top of your notebook.<---- On Sunday afternoons I often lay down for a nap. Just lie those newspapers on the kitchen counter. Last night I lay in bed for hours before I fell asleep.
*June 5, 2014*

**Biology**

What are the similarities between virus and retrovirus?
*June 5, 2014*

**biology**

What are the similarities between capsid and prion?
*June 5, 2014*

**biology**

What are the similarities between Prion and virus?
*June 5, 2014*

**Measurment**

Can you tell me the measurements of the cylinder? I can tell you how to do this though. To find the area of the two circles, use the formula a= 3.14r^2 then multiply it by two. then find the circumference using the formula c=2*3.14r. next multiply the circumference by the ...
*June 5, 2014*

**math Study guide**

I need help. I got all of these questions out of 50 wrong. 6-10 were not given. 1. Which of the following is an example of independent events? A-rolling a number cube and flipping a coin B-drawing marbles from a bag without replacement after each draw C-choosing members of a ...
*June 5, 2014*

**Math**

This question has two parts. Danielle's phone plan charges her $30 per month for the first 200 minutes and then $0.10 per minute for each subsequent minute. 1. Which of the following functions takes an input of any whole number value of x is greater than or equal to 200 ...
*June 5, 2014*

**English**

Which of the following organizational patterns would be most effective for writing about the benefits of continuing government assistance for the U.S. space program? (1 point) chronological order order of importance compare and contrast argument and support<----
*June 5, 2014*

**English**

A local chamber of commerce is publishing a pamphlet. Its purpose is to encourage tourists to visit the area. Data provided by the state tourism office shows that campers tend to like this area of the state. Based on this data, what is the most important information to include...
*June 5, 2014*

**English**

Which line from the poem contains an example of onomatopoeia? (1 point) A. The Sea murmurs sleepily in the cool morning dawn.<----- B.Like glittering fish at the water's edge. C. Surfers in wetsuits paddle through low waves, D. Searching for shells and other treasures.
*June 5, 2014*

**English**

Have nearly*
*June 5, 2014*

**English**

Which words nearly opposite meanings? A.finished, responded<---- B.indifferent, excited C.lingering, invited D.sorry, available
*June 5, 2014*

**MATH**

Write the quadratic function in standard form (if necessary) and sketch its graph. Identify the vertex h(x)=x^2-9
*June 5, 2014*

**Math**

Thank you very much, Steve.
*June 5, 2014*

**Math**

Can you show me how to solve it, please.
*June 5, 2014*

**Math**

Jane ran around the perimeter of a rectangular park at a constant rate of 10 feet per second. The park has an area of 67,500 square feet, and its length is exactly three times its width. For how many seconds did Jane run? F. 60 G. 120 H. 240 J. 360 K. 480
*June 5, 2014*

**Chemistry**

X-RAY DIFFRACTION OF AN UNKNOWN METAL, MIGHT BE DANGEROUS (10/10 points) Last week you and a friend started an experiment to obtain the X-ray diffraction peaks of an unknown metal. Through these diffraction peaks you wanted to determine: (a) whether the cell is SC, BCC, or FCC...
*June 4, 2014*

**Science**

What are the personal, societal, and scientific implications of alpha-1 antitrypsin deficiency? I googled, but couldn't find any info on this????? please help!!!!!!!!!!1
*June 4, 2014*

**physics**

A 49-g bullet traveling at 290m/s penetrates a block of ice at 0∘C and comes to rest within the ice.Assuming that the temperature of the bullet doesn't change appreciably, how much ice is melted as a result of the collision? The heat of fusion of water is 333 kJ/kg.
*June 4, 2014*

**physics**

When a 310-g piece of iron at 180∘C is placed in a 95-g aluminum calorimeter cup containing 250 g of liquid at 10∘C, the final temperature is observed to be 32∘C. The value of specific heat for iron is 450 J/kg⋅C∘, and for aluminum is 900 J/kg&#...
*June 4, 2014*

**physics**

The value of specific heat for copper is 390 J/kg⋅C∘, for aluminun is 900 J/kg⋅C∘, and for water is 4186 J/kg⋅C∘.What will be the equilibrium temperature when a 275g block of copper at 255∘C is placed in a 145g aluminum calorimeter cup...
*June 4, 2014*

**physics**

An automobile cooling system holds 16 L of water. The specific heat of water is 4186 J/kg⋅C∘.How much heat does it absorb if its temperature rises from 16∘C to 94∘C?
*June 4, 2014*

**physics**

A certain power plant puts out 520MW of electric power.Estimate the heat discharged per second, assuming that the plant has an efficiency of 34%
*June 4, 2014*

**physics**

How much heat (in joules) is required to raise the temperature of 39.0kg of water from 25∘C to 95∘C? The specific heat of water is 4186 J/kg⋅C∘.
*June 4, 2014*

**physics**

The exhaust temperature of a heat engine is 250∘C .What must be the high temperature if the Carnot efficiency is to be 35% ?
*June 4, 2014*

**Physics**

A football player punts the ball at a 45.0o angle. Without an effect from the wind, the ball would travel 60.0 m horizontally. (a) What is the initial speed of the ball? (b) When the ball is near its maximum height it experiences a brief gust of wind that reduces its ...
*June 4, 2014*

**Math**

A polygon is a __ dimensional figure with ___ or more sides. A regular polygon has equal ____ lengths and equal ____ measures
*June 4, 2014*

**Precalculus**

1. permutation or combination: how many schedules are possible if you need to choose 5 events out of 20 for a vacation? Is it permutation?? Answer is 1860480? 2. a. How many area codes are possible ( the 3 digit number can't start with a 0)? 504? b. How many area codes ...
*June 4, 2014*

**science**

All living things must carry out certain functions and possess certain structures to survive, grow, and reproduce. The following chart illustrates how humans possess certain structures to carry out these critical functions. Fill in the plant structures that correspond to the ...
*June 4, 2014*

**MATH PLZ HELP**

oh, thankyou:)
*June 4, 2014*

**MATH PLZ HELP**

I said one friend. not all of us combined I also said that one person steals a cookie every 15 min. srry for the confusion
*June 4, 2014*

**MATH PLZ HELP**

there are 3 friends staying at my house. forgot that piece of info.
*June 4, 2014*

**MATH PLZ HELP**

I baked two dozen cookies (24)for my friends. After they came out of the oven at 2:00, I wait for them to cool. When playing video games, one friend says he needs to use the bathroom. he instead goes to the kitchen and steals one cookie. To have an excuse for going to the ...
*June 4, 2014*

**science**

As part of their job, meteorologists use data to make weather predictions. How accurate are their predictions? What are other scenarios in which you would use data to make a prediction? How would you defend your prediction using data? can you please tell me in your perspective?
*June 4, 2014*

**english**

i think its b or c
*June 4, 2014*

**english**

Originating in Bohemia
*June 4, 2014*

**english**

Which term best describes the underlined words? Originating in Bohemia, the polka was first developed around 1830. A. infinitive phrase B. participial phrase C. gerund phrase
*June 4, 2014*

**Math**

28 - 12 = 16 16 / 12 = 4 / 3 or 4:3 C.
*June 4, 2014*

**Math**

Thank you so much, Damon.
*June 4, 2014*

**Math**

If pq = 3, then p^3q^4 + p^4q^5 = A. 12q B. 7p + 9q C. 12p + 20q D. 96p E. 108q
*June 4, 2014*

**accountancy**

1067
*June 4, 2014*

**physics**

What is the kinetic energy of a 19 kg dog that is running at a speed of 7.7 m/s (about 17 mi/h)?
*June 4, 2014*

**Math**

Thank you very much :).
*June 4, 2014*

**Math**

A bag contains 7 black socks, 12 white socks, and 17 red socks. If you pick one sock at random from the bag, what is the probability that it will NOT be white? A. 1/2 B. 2 / 3 C. 3 / 4 D. 7 / 12 E. 7 / 36
*June 4, 2014*

**Geometry**

what is it?
*June 4, 2014*

**Trig**

Find the coterminal angles: one positive one negative angle. 55° and (9(3.14)/5) answer degrees in radians and radians in degrees
*June 4, 2014*

**Math**

Thank you Steve.
*June 4, 2014*

**Math**

tan0 and sin0
*June 4, 2014*

**Math**

If tanè = 4 / 3, then sinè = F. 3 / 4 G. 3 / 5 H. 4 / 5 J. 5 / 3 K. 5 / 4
*June 4, 2014*

**math**

Find the total number of compounding periods and interest rate per period. Princial: $700, time period :8yrs , nomial rate: 1.5%, interest compounding :monthly, copounding amount________, compound interest_______ * i need to figure outhe compounding amount & ...
*June 4, 2014*

**assessment**

What statistical technique is often used to calculate an estimate of reliability?
*June 4, 2014*

**MATH**

Solve the fractional equation 3x/2+1/4(x-2)=10
*June 4, 2014*

**trig angle of elevation**

The eyes of a basket ball player are 6 feet above the floor. He is at the free-throw line, which is 15 feet from the center of the basket rim. The center of the rim is 10 feet above the floor Before shooting the player decides to step back a few steps. His angle of elevation ...
*June 4, 2014*

**Math please help**

Solve the equation x^2/5 + x^1/5 -6=0
*June 4, 2014*

**Algebra **

Solve the equation 6(1/x)^2-7(1/x)+2=0
*June 4, 2014*

**Algebra**

Solve the equation x^2/5 + x^1/5 -6=0
*June 3, 2014*

**chemistry**

What is the molarity of a 28.9 g of CaCl2 dissolved in water to make up 0.78L of solution?
*June 3, 2014*

**Math**

Find the total number of compounding periods and interest rate per period. Terms investment: 6years, nomial rate: 18%, interest compounding :monthly, compounding period________, rate per period %_______ * i need to figure out the compounding period & rate per period%
*June 3, 2014*

**MATH**

Is the equation identity or conditional? 3(x+2)=3x+6 3(x+4)=3x+4
*June 3, 2014*

**Algebra **

Add and subtract the rational expression and simplify. -3y/8x+7y/6x -1y/12x
*June 3, 2014*

**boring math**

A business purchases a piece of equipment for $25000. The equipment will be replaced in 10 years at which time its salvage value is expected to be $2000. Write linear equation giving the value V of the equipment during the 10years.
*June 3, 2014*

**chemistry**

Calculate the molarity (M) of AlCl3 in a solution prepared by adding 0.750 L of 0.7 M AlCl3 and 0.250 L of 0.1 M AlCl3 . Assume volumes are additive
*June 3, 2014*

**random question about writing**

Im very bad at writing and my grammar is very bad too. can any writing tutor gave me tips to improve?
*June 3, 2014*

**linear math**

Is the equation identity or conditional? 3(x+2)=3x+6 3(x+4)=3x+4
*June 3, 2014*

**math**

simplify as much as possible. Assume that all variables represent positive real number 4x√32xv^2 + v√2x^3
*June 3, 2014*

**math**

I did make a sketch, I just used the wrong function, thank you
*June 3, 2014*

**math**

The eyes of a basket ball player are 6 feet above the floor. He is at the free-throw line, which is 15 feet from the center of the basket rim. The center of the rim is 10 feet above the floor Determine the angle of elevation (to the nearest degree) from his eye to the center ...
*June 3, 2014*

**math**

Thank you reiny:)
*June 3, 2014*

**math**

Stuart estimates that he will need $25000 to set up a small business in 7years.How much must stuart invest at 12% interest compound quarterly to achieve goal?
*June 3, 2014*

**math 1 question!!!!!!**

Got it its B
*June 3, 2014*

**math 1 question!!!!!!**

D?
*June 3, 2014*

**math 1 question!!!!!!**

Which situation best represents a proportional relationship? (1 point) Kelly sold 2 rings for $3 and 3 rings for $6.<----- Lawrence packed 27 plates in 9 boxes and 81 plates in 27 boxes. Jeff ran 4 miles in 20 minutes and 6 miles in 24 minutes. Francesca placed 8 pencils in...
*June 3, 2014*

**math 1 question!!!!!!**

Which is equivalent to the expression shown when a > 0 and b > 0? -21a^2b/35ab A. 3a/5 B. -3a/5 C. -3ab/5 D. 3a/5b<---
*June 3, 2014*

**math**

Direct variation Y is proportional to x. Use the x value & y value to find a linear model that relates y and x. x=5, y=9 X=11, y=1.5
*June 3, 2014*

**math 1 question!!!!!!**

Im right?
*June 3, 2014*

**math 1 question!!!!!!**

my answer is B?
*June 3, 2014*

**math 1 question!!!!!!**

A fence encloses a rectangular field. The field is 4 meters longer than it is wide. The total length of the fence is 144 meters. What is the area in square meters of the enclosed field? 1192 1296 1292 1440
*June 3, 2014*

**math 1 question!!!!!!**

Tasha is going on a picnic. The probability that it will be sunny is 2/3. The probability that someone will bring potato salad is 7/9. What is the probability that it will be sunny and that someone will bring potato salad? 1/9 4/27 14/27 6/7<------
*June 3, 2014*

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