Wednesday

February 10, 2016
Total # Posts: 71

**Math**

thank you how do I set the the third question to get the answer.
*October 9, 2015*

**Math **

If a rock falls from a height of 50 meters on Earth, the height H (in meters) after x seconds is approximately H(x)=50-4.9x^2 1. What is the height of the rock when x=1.6 seconds? 2. When is the height of the rock 5 meters? 3. When does the ...
*October 9, 2015*

**math**

You are cbeating you terd breathe
*September 24, 2015*

**fractions**

Kevin bought a pizza that it was 2/3 onions and 2/3 mushrooms explain why this is possible
*February 22, 2015*

**math**

What is the d value of the following arithmetic sequence? 5, 2, -1, -4, -7,… A. 3 B. -3 C. 4 D. -4
*October 29, 2014*

**Physics**

Starting with an initial speed of 5.00 m/s at a height of 0.335 m, a 1.75-kg ball swings downward and strikes a 4.40-kg ball that is at rest, as the drawing shows. (a) Using the principle of conservation of mechanical energy, find the speed of the 1.75-kg ball just before ...
*March 23, 2014*

**calculus**

h(t) = -1/3t^3 + 4t^2 + 20t +2, f or >- 2
*February 23, 2014*

**Statics**

.7257
*December 1, 2013*

**programming c#**

how do I Write a two class application that has a one-dimensional array as a data member. The array stores temperatures for any given week. Provide constructors for instantiating the class and methods to return the highest temperature, lowest temperature, average temperature, ...
*October 2, 2013*

**Alegbra 1**

I have to get this last problem done it's for my project here's the problem: solve by completing the square method x 2- 12x =-11
*May 2, 2013*

**Algebra**

A state's license plates consist of four letters followed by three numerals, and 241 letter arrangements are not allowed. How many plates can the state issue?
*March 6, 2013*

**Math**

What is the maximum broadcasting from a radio tower 1800 feet tall( approximately 0.34 mile)? The radius of Earth is approximately 3960 miles, and you can assume the ground around the tower is nearly flat. Round your answer to the nearest 10 miles.
*February 16, 2013*

**A2T**

From 1971-1995 avg # transistors modeled by n=2300(1.07)^t, where t is # of years since 1971. Estimate # of transistors in 1998 (round to nearest integer) Does anyone know how to set up this equation?
*February 6, 2013*

**A2T**

From 1971-1995 avg # transistors modeled by n=2300(1.07)^t, where t is # of years since 1971. Estimate # of transistors in 1998 (round to nearest integer) Does anyone know how to set up this equation?
*February 6, 2013*

**Anthropology**

What are economic aspects of globalization?
*December 7, 2012*

**physics**

3. A satellite of mass 500 kg orbits the Earth with a period of 6000 s. The Earth has a mass of 5.98 x 1024 kg. (a) Calculate the magnitude of the Earth's gravitational force on the satellite. (b) Determine the altitude of the satellite above the Earth's surface.
*October 15, 2012*

**Physics**

7. A stock person at the local grocery store has the job of 1) picking up boxes of tomatoes from the stockroom floor, 2) accelerating to a comfortable speed, 3) Carrying the boxes to the tomato display at constant speed, 4) decelerating to a stop, and 5) lowering the boxes ...
*October 15, 2012*

**algebra**

267ft
*October 15, 2012*

**Chem Hmwrk**

good job you did it
*October 11, 2012*

**literature**

to king hygelac
*September 24, 2012*

**math - alegbra 1**

have 5 problems they are simplifying and write standard form #1 (5c-9)(5c+1)
*September 12, 2012*

**math**

in circle p below the lengths of the parallel chords are 20,16, and 12. Find measure of arc AB..... the chord with a length of 20 is the diameter. the chords with lengths 16 and 12 are below the diameter torwards the bottom of the circle. arc AB is the arc made up of the ...
*May 25, 2012*

**math**

What is 30 inches increased by 30%?
*March 7, 2012*

**Geometry. HELP!!**

yall dum
*September 19, 2011*

**psychology**

You are conducting research on sex differences in e-mails. Your hypothesis is that men use more declarative statements and women use more questions. Answer each of the following questions. • What might be the advantages of using the archival method?
*July 19, 2011*

**AP Physics**

2) The helium is caused by alpha particles gaining electrons. The mass change comes from the radiation that is given off
*March 9, 2011*

**Chemistry**

how to calculate number calories to heat 285 grams h2o
*February 8, 2011*

**math/science**

If a fish can swim short distances at 48km/h, how long would the fish take to reach a smaller fish that is 3m away?
*January 27, 2011*

**Math EASY**

dont know
*January 27, 2011*

**7th grade**

10 cm long,10 cm wide,and 10 cm high
*December 14, 2010*

**psychology**

are conducting research on the length of time it takes customers to select items in a grocery store
*October 30, 2010*

**10th grade**

285 cm
*July 14, 2010*

**english**

sentences using similes that describe waiting for a bus
*February 19, 2010*

**math**

Two rational numbers with the sum of 1, product of -6/25 and quotient of -6. ( I have been working on this for a long time but I can't figure it out!)
*February 8, 2010*

**Science**

Explain why every substance has a characteristic density, but no substance has a characteristic mass.
*February 3, 2010*

**Historical Lit Classic **

Has anyone here either read Herodotus' The Histories or gained a familiar with what recent scholars have written about them? What has academia explored within the last few decades in major journals that would be worth investigating?
*November 22, 2009*

**science**

is the Paricutin volcano in mexico still active?? please help me!!
*June 6, 2009*

**science**

is the Paricutin volcano in mexico still active??
*June 6, 2009*

**science**

what type of spectrum does the sun emit? where does nuclear fusion in the sun occur? if a star begins its evolution with 10 times the mass of the sun, but ends up with 2 times the mass of the sun, what type of object does it form?
*March 30, 2009*

**math**

specify the sets b roster {odd counting numbers less than 11}
*March 28, 2009*

**DQ**

What is factoring by grouping? When factoring a trinomial by grouping, why is it necessary to write the trinomial in four terms?
*February 22, 2009*

**Algebra**

What is factoring by grouping? When factoring a trinomial by grouping, why is it necessary to write the trinomial in four terms?
*February 22, 2009*

**algebra 2**

your on the same part as me i think is it find the zeros of the polynomial function
*November 24, 2008*

**french reflexive verbs**

i guess it would lol i think the endig doesnt make sence tho
*November 24, 2008*

**french reflexive verbs**

this is what you put i pretty sure I washed myself (F) I washed myself the hair I did not wash myself I did not wash myself them (?) does hair since in negative I always use of?
*November 24, 2008*

**math**

g(x)=-2x²+2x+4 find zeros of the polynomial function
*November 24, 2008*

**math**

f(x)=-3x²-14x=24 find the zeros of the polynomial function
*November 24, 2008*

**math**

thank you
*November 24, 2008*

**math**

s²-6s+8=0
*November 24, 2008*

**math**

f(x)=-x²+6x+27
*November 24, 2008*

**who made this website?**

not sure at all
*November 23, 2008*

**spanish**

quieren ir al café
*November 23, 2008*

**Chemistry**

what other acid indicators are there other than phenolphthalein? Are there any better indicators than phenolphthalein?
*October 16, 2008*

**Calculus**

If d/dx(f(3x^5))=9x^4, find f'(x) I can't figure out what this means
*October 7, 2008*

**Organic chemistry**

How many stereogenic carbon atoms does the alkaloid morphine have?
*July 24, 2008*

**Econ**

Assume that initially the IS curve is given by IS1: Y = 12-1.5T-30i+2G, and that the price level P is 1, and the LM curve is given by LM1: M= Y(1-i). Initially, the home interest rate equals the foreign interest rate of 10% or 0.1. Taxes and government spending both equal 2. -...
*July 22, 2008*

**Econ**

e) i believe i is the domestic interest rate and ([1/E]-1) is the expected depreciation and 0.10 is the foreign interest rate. E i think is the spot exchange rate. I don't get why its asking for foreign interest rate again?
*July 21, 2008*

**Econ**

Need help on this question, I tried the ones i know. a The consumption function is C = 1.5 + 0.75(Y-T). What is the marginal propensity to consume, MPC? What is the marginal propensity to save, MPS? ans: MPC=0.75 and MPS=1-MPC=0.25 correct? b The trade balance is TB = 5(1-[1/E...
*July 21, 2008*

**Economics**

For 2), if decrease in i, cause Exchange rate to depreciate in the foregin exchange market, which makes foreign goods more expensive, thus increaseing export, less import, Trade balance will increase, won't it?
*July 19, 2008*

**Economics**

I need help on some T/F questions. 1. A decrease in the foreign interest rate results in a shift to the left by the IS curve. 2. Home's trade balance surplus must increase as a result of a decrease in Home's interest rate. 3. Since investment I is a function of nominal...
*July 19, 2008*

**Econ**

What is the effect of the following shocks on the short-run level of national output? a A fall in interest rates? b An appreciation of the Home currency? c A tax cut? d A tax cut in Foreign? e A drop in consumer confidence (consumer want to spend less)? f News that imported ...
*July 14, 2008*

**Economics**

consumption function, C=5+0.75*(Y-T). Y is,national income and T is government taxes. a What is the marginal propensity to consume? b If disposable income is 100, what are consumers' savings? c What form might a "consumption shock" take given the structure of ...
*July 11, 2008*

**Algebra**

By what you wrote, all of my answer is wrong. My answer should be: (-2,1) and (10,oo)?
*April 3, 2008*

**Algebra**

solve and answer in interval notation (x+2)(x-1)(x-10)>0 x+2=0 x-1=0 x-10=0 x=-2 x=1 x=10 answer: (0,-2)(1,0)(10,0)
*April 3, 2008*

**Algebra**

[x-(-6+sqrt13)][x-(-6-sqrt13)] (x+6+sqrt13)(x+6-sqrt13) (x+6+sqrt13)(x+6+sqrt13) (x^2+12x+36-sqrt13^2) x^2+12x+36-sqrt13^2 x^2+12x+36-(13) x^2+12x+36-13 I think my answer is: x^2+12x+23
*April 3, 2008*

**Math**

There are 8 people on one side of a river. They have a raft to help them get to the other side. There is a father and his two sons, a mother and her two daughters, a policeman and a thief. Everyone must cross the river, but you must follow the rules: * Only 2 persons on the ...
*September 29, 2007*

**math**

3 MEN GO INTO A MOTEL. THE MAN BEHIND THE DESK SAID THE ROOM IS $30, SO EACH MAN PAID $10 AND WENT TO THE ROOM. A WHILE LATER THE MAN BEHIND THE DESK REALIZED THE ROOM WAS ONLY $25, SO HE SENT THE BELLBOY TO THE 3 GUYS' ROOM WITH $5. ON THE WAY, THE BELLBOY COULDN'T ...
*June 7, 2007*

**math brain teaser**

Here are you a brain teaser. You have to buy at least on of every bird when you are done you will have 100 birds for $100.00 $.05 for Biddie $1.00 for Hen $5.00 for Rooster 19 roosters, 1 hen, 80 biddies
*April 10, 2007*

**half-life**

The activity remaining in a 3mCi source of Cs-137 after 3half-lives (30 years) have elapsed; Cs-137 half-life is 30.17 years.
*February 7, 2007*

**Physics**

pe=mgh (50)(9.81)(1000)=491000J KE=1/2mv^2= (.5)(50)(5)^2=625J Energy Lost= PE-KE=491000-625= 490375
*December 5, 2006*

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