Wednesday

April 16, 2014

April 16, 2014

Total # Posts: 651

**math**

4160

**math**

416

**Calculus**

The demand function for a product is modeled by : p=10,000(1-(3/3+e^-0.001x) Find the price of the product if the quantity demanded is (a) x=1000 units and (b) x=1500 units. What is the limit of the price as x increases without bound?

**Calculus**

The demand function for a product is modeled by : p=10,000(1-(3/3+e^-0.001x) Find the price of the product if the quantity demanded is (a) x=1000 units and (b) x=1500 units. What is the limit of the price as x increases without bound?

**Calculus**

The demand function for a product is modeled by : p=10,000(1-(3/3+e^-0.001x) Find the price of the product if the quantity demanded is (a) x=1000 units and (b) x=1500 units. What is the limit of the price as x increases without bound?

**Physics**

how much work is required to lift a 98-N block of ice if A) it is lifted a vertical distance of 5-m.? B) you push the same block of ice up a 7-m long ramp using in acompare to the work required in b.? C) How does the work required in A compare to the work required in B.? D) Fi...

**math**

How does a Hawaiian Baritone laugh?

**Physics**

The passengers in a roller coaster car feel 50% heavier than their true weight as the car goes through a dip with a 20 m radius of curvature. What is the car's speed at the bottom of the dip?

**physics**

well,his horzontal speed is all he has at the peak, so vertical speed at launch is vi^2=32^2-29.8^2 solve for Vi Then for height, Vi^2=2*g*h solve for height

**physics**

An ice hockey puck slides along the ice at 12m/s. A hockey stick delivers an impulse of 4.0kg*m/s causing the puck to move off in the opposite direction with the same speed. What is mass of puck?

**Physics**

Weight is a force, and as described by Newton's Second Law, F=ma, where m=mass and a=acceleration. At sea level on Earth, the acceleration is 9.81m/s down, which is the pull of gravity. By taking the object up to the top of a high mountain, it will be less affected by the ...

**6th grade**

I need to know what is the answer to this __ is a set of beliefs, values, and practicest that a group of people share.

**Algebra 1**

25% of what is 28?

**geometry**

A, B, and C are collinear, AB = 5x - 19, and BC = 3x + 4. Find an expression for AC if B is between A and C.

**6th grade**

WHAT IS THE GREENHOUSE EFFECT???

**sociology**

does diamond hurt the enviroment and do we choose profit over ou enviroment when it comesto diaond mining.

**home economics**

how are patterns applied to fabric?

**chemistry**

A hydrogen Atom makes a transition between two energy states and emits a photon with a wavelength of 434.2nm. What is the frequency? Does anyone know how to do this?

**Calculus II**

Determine whether the sequence converges or diverges. If it converges, find the limit. An=((-2)^n)/n!

**physics**

a. f=(G*m1*m2)/r^2 =(6.67x10^-11*.7*70000)/2.1^2) =7.4*10^-7 N b. f=(G*m1*m2)/r^2 =(6.67*10^-11*.7*70000)/1^2 =3.29*10^-6

**Physics 121 HW**

0.283

**3rd grade math**

name one interesting thing you learned aboutyour new techer

**Science-8th**

How do balance the equation:C5H12 + O2---> CO2 + H2O

**physics**

An electric iron has a resistance of ohms. How much heat energy is produced in 10 minutes if the current passing through the device is 10 amps?

**math**

How does a 4th grader draw a picture to support this answer?

**6th grade science (physics)**

explain and describe Law of Universal Gravitation in relation to force, mass and distance

**oscillation**

An object with mass 0.250 kg is acted on by an elastic restoring force with force constant 10.8 N/m. The object is set into oscillation with an initial potential energy of 0.150 J and an initial kinetic energy of 6.00×10−2 J. What is the amplitude of oscillation? W...

**Calculate the oscillation frequency f of the H2 mo**

When displaced from equilibrium by a small amount, the two hydrogen atoms in an \rm H_{2} molecule are acted on by a restoring force F_{x}=-k_1 x with k_1 = 510 N/m. Calculate the oscillation frequency f of the H2 molecule. Use m_eff = m/2 as the "effective mass" of ...

**Physics**

How do you find the phase constant of the oscillation on a graph.

**Pre Calculus**

Establish the following identity tan(x+pi/4)=1+tanx/1-tanx

**Pre Calculus**

Establish the following identity sin 2x/sinx - cos2x/cosx = secx

**Pre Calculus**

Establish the following identity Sin2x/1+cos2x=tanx

**math**

Suppose 100 dots are arranged in a square 10 × 10 array, and each dot is colored red or blue. (a) Prove that this array must contain a “monochromatic” rectangle. That is, no matter how the red and blue colors are assigned, there must be either a set of four red...

**Science**

what are ways plants can conserve water

**4gr math**

12*12

**algebra**

what is 3y(7y - 6) + 16y simplified

**algerbra**

f(X)=(x+1)2 that squared

**phsycis**

First you need to calculate the PE needed to make the climb. U=mgh U=(62*(2600-3700)*9.8) This value is energy or work denoted as a Joule. A Watt= Joule/Seconds So simply take your joules and divide it by the time the trip took. Convert your 5hr to seconds so... W=(62*(2600-37...

**Chemistry**

What mass of CO2 could be absorbed by 1.34 g of CaO?

**PHYSICS**

A concert loudspeaker suspended high off the ground emits 35 W of sound power. A small microphone with a 1.0 cm2 area is 50 m from the speaker. (a) What is the sound intensity at the position of the microphone? (b) How much sound energy impinges on the microphone each second?

**Trigonometry**

1) Find the coordinates of the point (-1,3) after the transformation T (to the -3,2 power) 2) What are the coordinates of point (-3,4) under D (to the 3rd power)? 3) Which of the following transformations could map the point (1,2) onto the point (3,6)? a)T (to the 2,3 power) b...

**Trigonometry**

1) If P'(2,-6) is the image of point P after the dilation D(to the 2nd power), what are the coordinates of point P? 2) A transformation maps (x,y) onto (x+2, y-1). Find the coordinates of A', the image of point A(-2,6) under the same transformation.

**Trigonometry**

A translation maps (-6,2) onto (-4,-2). Find the image of (3,5) under the same translation.

**spanish**

1.¿Va a viajar a Perú tu primo Andrés?

**Honors 7 grade science**

2 ways that bacteria can change. (harmless to harmfull)

**probability**

I've got a different answer from the Actuary exam guide. You need to make a Venn Diagram and make x,y, and z into the middle portions of the diagram between AB, AC, and BC. From the question you know that x+y=1/4, x+z=1/3 and y+z=5/12. Adding these equations gives (x+y)+(x...

**probability**

I've got a different answer from the Actuary exam guide. You need to make a Venn Diagram and make x,y, and z into the middle portions of the diagram between AB, AC, and BC. From the question you know that x+y=1/4, x+z=1/3 and y+z=5/12. Adding these equations gives (x+y)+(x...

**english**

what's a good comparative essay title for catch-22 and slaughterhouse-five?

**english**

thanks, but i still don't understand

**english**

I really don't know how Slaughterhouse-five and Catch-22 use similar motifs to convey their anti-war message?? I don't understand how their anti-war message is similar if that makes more sense.

**Pre-algebra**

I can't figure out how to solve: Question #1: Two number cubes are rolled and a coin is tossed. Find the number of possible outcomes. Question #2: What is the probability of winning a lottery game where the winning number is made up of 6 digits from 0-9 chosen at random.

**4th grade math**

The first question states that Jeff runs 25 miles a week. He wants to run more than 25 miles. If Jeff runs 3 more miles each week, how many miles will he be running 6 weeks from now?

**4th grade-math**

Jeff runs 52 miles a week. How many weeks have passed since he was running 25 miles a week?

**Math problem I need help with**

Combination of coins that can be used; fifty-cent piece, quarters, dimes, nickels, and pennies Q: My 3 types of coins total 37 cents. I have fewer than 4, but more than 1, of each coin. What are the coins?

**Math**

Is this a quadratic or linear function? Identify the quadratic,linear, and constant terms 3(x-2)^2+12x

**math dividing**

how do i divide stuff like this 1.06 Divided 0.06

**Math**

find the vertex, axis of symmetry,y int and third point 3x^2-12x+10 Can someone give me a youtube link for this

**Math**

determine the dimensions of each matrix product A X B 2X3 3X5 G X C 4X7 7X1

**Algebra**

Ok, I remember a little bit I should subtract z from both sides so I get u-z=vw+z-z which simplifies to u-z=vw but I can't remember from there.

**Algebra**

u=vw+z. I need to solve for v. Can this be done? or is the answer just u=vw+z?

**Algebra**

The formula to compute a person's body mass index is B=703*w/h2 B represents the body mass index, w is the person's weight in pounds and h represents the person's height in inches. I need to: a. solve the formula for w. b. What is the weight to the nearest pound of...

**Algebra**

If each lap in a swimming pool is 100 meters long how many laps does it take to go a mile. I know there are 1609.344 meters in a mile, but what do I do from there?

**Math**

Solve using substitution method 2x-7y=-6 x=5y

**algebra**

density=8.48g/mL mass=1.83 kg volume=

**math**

7\8,8\10,2\3

**Chemistry**

An isotonic solution contains 0.88% NaCl by mass per volume. Calculate the percent mass per volume for isotonic solutions containing each of the following solutes at 15 degrees C. Assume a van't Hoff factor of 1.9 for all ionic solutes. KCL NaBr Glucose

**Language**

What part of speech is the word "color" in the sentence: His hair is the color of shimmering gold. I think it is a noun.

**algebra**

2 4 - - - a b

**6th grade Math**

whats the divisibility rule for 90

**Maths**

Eleven people, 7 men and 4 women, successfully completed their study at the School of Astronautics. A team of 6 people needs to be selected from them for the next intergalactic travel. In how many ways can 6 astronauts be selected, if at least 2 women and 3 men must be in the ...

**math**

thank you so much

**math**

Oh, it was me who posted the last post as anonymous, i forgot to put my name in!

**math**

I have the same question as Sally: What is the prime factorization of 225? Or, just how do you find prime factorization??? Thanks.

**English/Music**

I need to come up with a song that has lyrics that are full of schemes and tropes and it must be school appropriate and a current hit. I have no idea what to pick, any ideas?

**math**

30 is added to 1/3 of a number. the results is double the number. What is the number?

**Calculus**

Yeah?

**Calculus**

Is the function F(x)= the square root of 1-x^2 continuous at x = 1? Give the reason for your answer.

**Physical Science**

How are energy, work, and power related?

**6thgrade math**

how many feet are in 3 yards

**socail studies**

why was the roman coliseum built please respond quikly thanks ~tyler

**math**

Kendis types 150 words in 2 min, how many words does she type in 1 min? And how do you get the answer!..thanks

**Math**

A piano has 88 keys. Show with numbers the probability of hitting a particular key if you shut your eyes and strike one key.

**physics**

How much work in joules is done by a person who uses a force of 25 N to move a desk 3 m? Show work and formula.

**math**

how do you determine whether{(1,4),(2,6),(3,7),(4,4)} is a function????

**English/Social Studies**

I have to pick a topic that involes oppression in recent times. A lot of other kids picked oppression against homosexuals and racial oppression. I want to stand out from the other kids in my classand I have no clue what to pick. It needs to be attention grabbing and draw the a...

** 6th math**

how to find pie

**math**

a number between 1 and 100. If it is divided by 3 or 5, remainder is 1. If it is divided by 7, there is no remainder: what is my member?

**math -please help!! asap**

what is the vertical and horizontal difference between the two eqautions on a graph? Here are the eqautions- y=2x+3 y=2x-4 please help me on this. These two eqautions when graphed are parralell to each other i believe. But im not sure how to calculate the difference in vertica...

**math**

what is the vertical and horizontal difference between the two eqautions on a graph? Here are the eqautions- y=2x+3 y=2x-4 please help me on this. These two eqautions when graphed are parralell to each other. But im not sure how to calculate the difference in vertical and hori...

**Chemistry/Dimensional Analysis**

The EPa detection limit for phosphate in water samples is 0.0450 milligrams per liter. Can phosphate be detected if 55.0 nanograms are found in 500.0 mL of solution? Show your calculations and explain.

**Chemistry/Dimensional Analysis**

The EPa detection limit for phosphate in water samples is 0.0450 milligrams per liter. Can phosphate be detected if 55.0 nanograms are found in 500.0 mL of solution? Show your calculations and explain.

**Spelling**

analogy flower is to rose as tree is to what?

**math**

i have 5 coins, penny, nickel,dime,quarter and a loonie. Ho many different amounts of money could i pay using any combinations of these coins?

**Math word gr 8**

For the month of January, the average afternoon temperature in Calgard is 1/4 the average morning temperature. The average afternoon temperature is -4 C. What is teh average morning temperature? a.) If m represents the average morning temperature, what equation models this pro...

**8th grade**

People can be left-handed, right-handed or ambidextrous. The number of boys in Canadian secondary schools who are left handed is about 1/7 the number of boys who are right-handed. About 11% of boys are left-handed. Write and solve an equation to determine what percent of boys ...

**8th grade - math**

3 = y/-4 Does y = 12? Show the work

**Science**

i don't care

**Literature**

From Act I of "Julius Caesar"/ 1) How do the workmen celebrate as the play begins? 2) Who does their celebration annoy Flavius and Marullus? 3) What warning does the soothsayer give to Caesar? 4) What does Caesar's reaction tell you about him?

**Math intermediate algebra**

how do i find the prediction equation for a given set of data? Final tomorrow plzz help

**Intermediate Algebra**

how do you find the prediction equation for a given set of data? plz help final tomorrow!!

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