Saturday

October 25, 2014

October 25, 2014

Total # Posts: 73,196

**physics**

Sorry, I meant opthamologist.
*September 25, 2014*

**physics**

what physics topics affect a laser surgeon?
*September 25, 2014*

**government**

thank you
*September 25, 2014*

**government**

what inspired the constitutional convention? is it the article of confederation? when people saw it was inadequate and pretty much realized that it was useless. they had no power to regulate domestic affairs, no power to tax, etc also the rebellious farmers who rebelled in ...
*September 25, 2014*

**Oceans**

I am struggling with the same problem! i'm not sure how you solve it. I set years equal to 30,000 and placed the volume of the ocean = to 1,370 x 106 km3 but i don't know how to factor in the decrease of 120 meters
*September 25, 2014*

**physics**

Consider the following specific case of the system described in the example above. Suppose the angle θ is 78.0° and the mass of the ball is 7.00 kg.
*September 25, 2014*

**government**

what inspired the Constitutional Convention in 1787
*September 25, 2014*

**Chemistry**

The name given to the geometric arrangement of the reacting species at the time of reactions is called --------------------?
*September 25, 2014*

**History**

Who are Abraham, Moses, and Noah to Christians, in a single word?
*September 25, 2014*

**ssc**

10 minutes?
*September 25, 2014*

**History**

Thanks! I looked at the websites. So could it be said that the answer to my above question is mostly no?
*September 25, 2014*

**History**

Did Christians convert others using force?
*September 25, 2014*

**World History (Please, help me!)**

Or could it mean that the community will not support him?
*September 25, 2014*

**ALGEBRA 2**

Thank You
*September 25, 2014*

**ALGEBRA 2**

Thank You
*September 25, 2014*

**multiplying fractions**

They are both correct, but 9/14 is the most simplified form. That would be the one to go with.
*September 24, 2014*

**History**

What are some similarities in the origins of Islam and Christianity?
*September 24, 2014*

**History**

What are some differences in the way Islam and Christianity spread? Like the strategies they used?
*September 24, 2014*

**PLEASE HELP.**

Write a numerical expression to represent the following: Margot took $45 with her to the amusement park. She spent $20 on lunch and spent $5 to rent an inner tube. Then find the sum. 45 + (–20) + (–5); 15 45 + (–20) + 5; 30 (–45) + (–20) + (–5...
*September 24, 2014*

**physics**

Your friend is an environmentalist who is living in a tree for the summer. You are helping provide her with food, and you do so by throwing small packages up to her tree house. If her tree house is 27 m above the ground, what is the minimum (initial) speed you must use when ...
*September 24, 2014*

**History**

Oh, okay. My teacher told me that those denominations are called sects, but I had no idea of its negative connotation.
*September 24, 2014*

**History**

How many main sects are in Christianity? I know that "main" can be interpreted differently, but I want a reasonable number so I get the idea.
*September 24, 2014*

**History**

Which was the main region where Christianity spread to in its early days? Is this Europe?
*September 24, 2014*

**Math question? Only 1.**

Use the order of operations to simplify the expression. –18 + (–4) + 20 + (–3) I know the answer is -5. Care to show me how to do it step by step, please?
*September 24, 2014*

**Math-2 questions**

Write a numerical expression to represent the following: Margot took $45 with her to the amusement park. She spent $20 on lunch and spent $5 to rent an inner tube. Then find the sum. 45 + (–20) + (–5); 15 45 + (–20) + 5; 30 (–45) + (–20) + (–5...
*September 24, 2014*

**chemistry**

How many grams of chlorine gas are needed to make 5.10 × 106 g of a solution that is 1.50 ppm chlorine by mass?
*September 24, 2014*

**Physics**

a child slides down a slide with 26 degrees inclined and at the bottom her speed is 1/4 of what it would have been frictionless. Calculate the coefficient of kinetic fiction between the slide and the child?
*September 24, 2014*

**Brown Mackie College**

At the end of the fiscal year, what accounts are debited and credited to record the division of net income among partners?
*September 24, 2014*

**Pre-Calculus**

Help please Find the equation, in standard form, of the line passing through the points (2,-3) and (4,2). 5x-2y=16 y=5/2x+8 5x+2y=16 2x-3y=9
*September 24, 2014*

**Math-- 1 question**

Use the order of operations to simplify the expression. 2[4(9 – 7) + 1] ÷ 3 I know the answer is 6.
*September 24, 2014*

**math**

4366
*September 24, 2014*

**Math--Teach me?**

Use the order of operations to simplify the expression. 2[4(9 – 7) + 1] ÷ 3 Can someone show me how to do this?
*September 24, 2014*

**Pre-Calculus**

Help please What is the slope of the line x = 4? would it be undefined??
*September 24, 2014*

**English**

Yes I need a structure for it!
*September 24, 2014*

**English**

I'm writing an essay about stating my position on whether everyday people can be considered heroes. Can someone give me some ideas of what each paragraph should be about? Like how should I make it flow? Please help
*September 24, 2014*

**Pre-Calculus**

Help please, am i correct? The border line of the linear inequality 4x-2y < 1 is solid. True False <--
*September 24, 2014*

**History**

What strategies were employed in the spread of Islam?
*September 24, 2014*

**History**

How did Jesus begin his teachings on love, ethics, etc?
*September 24, 2014*

**Math--Check my answers**

6. 5? 4. B
*September 24, 2014*

**Math--Check my answers**

4. Is the answer B or A?
*September 24, 2014*

**MS SUE**

6. -5 7. -27
*September 24, 2014*

**Math--Check my answers**

Choose the word phrase that can be represented by 2 – p. the difference of a number p and 2 the quotient of 2 and a number p 2 more than a number p 2 decreased by a number p **** Which word phrase could represent the variable expression 1/2 a + 4? 4 more than half Chris&#...
*September 24, 2014*

**Physics of Modern Technology**

Label as true each of the following processes that are considered destructive to cells of a living organism (like you!). Label as false if they are not considered significantly destructive to cells of a living organism. A slow neutron combines with a Hydrogen nucleus in a ...
*September 24, 2014*

**Pre-Calculus**

wow, how could i be so blinded?? thanks!
*September 24, 2014*

**Pre-Calculus**

help please Identify the slope and intercept of the following linear equation. y=3/7x-5 Slope: 3/7; intercept: 5 Slope: -5; intercept: 3/7 Slope: 5; intercept: 3/7 Slope: 3/7; intercept: -5
*September 24, 2014*

**Physics **

Two cylindrical copper wires have the same mass and are at the same temperature. Wire A is twice as long as wire B. The resistance of wire A is related to that of wire B by a) RA = RB/4 b) RA = RB/2 c) RA = RB d) RA = 2RB e) RA = 4RB
*September 24, 2014*

**Physics **

Two cylindrical copper wires have the same mass and are at the same temperature. Wire A is twice as long as wire B. The resistance of wire A is related to that of wire B by : a) RA = RB/4 b) RA = RB/2 c) RA = RB d) RA = 2RB e) RA = 4RB
*September 24, 2014*

**chemistry**

it doesn't seem to follow law of conservation because it supposed to weight the same form the start till the end. it could be changed by making the alka seltzer be the same amount throughout the expeimrent even when added to the flask of water
*September 24, 2014*

**chemistry**

An alka-seltzer tablet weighing 3 grams is added to a flask of water (weighing 250 grams).At the end of the experiment, the flask weighs a total of 249.6 grams.Explain why this experiment does not seem to follow the Law of Conservation of Mass and how the experiment could be ...
*September 24, 2014*

**Physics of Modern Technology**

1) In a conventional explosion, when each molecule of high explosive chemically reacts, it produces about 4 x 10-18 J (joules) of energy. If each molecule of high explosive weighs as much as a single uranium 235 atom, and each uranium atom releases about 4 x 10-11 J in a ...
*September 24, 2014*

**English**

what is the adverb clause in the sentence: Dad takes Ryan to the zoo every Wednesday, unless it is raining
*September 24, 2014*

**career math**

Lauren baked bread rolls that were each about 11 centimeters in radius. About how many square centimeters was the area of each roll?
*September 24, 2014*

**physics**

Points A, B, and C are at the corners of an equilateral triangle of side 9 m. Equal positive charges of 11 mu or micro CC are at A and B. (a) What is the potential at point C? how do I find the potential?
*September 24, 2014*

**algebra**

A telemarketer claims that every call made to a customer costs at least $2, if a call costs $.50 plus $.10 for each minute, how long does each call last
*September 24, 2014*

**Examination Number**

. Among instances of corporate malfeasance in the early twenty-first century, the _______ scandal was the most shocking and economically damaging for employees and shareholders
*September 24, 2014*

**English**

When a goal states a quantifiable indicator of its achievement such as a target date, it is:
*September 24, 2014*

**Biology**

How are RNA bases freed up during transcription to form base pairs?
*September 24, 2014*

**Biology**

During transcription, when RNA nucleotides form base pairs with the DNA template, does this mean that RNA nucleotides and DNA nucleotides pair up?
*September 24, 2014*

**Pre-Calculus**

ahh okay thanks
*September 24, 2014*

**Pre-Calculus**

help please in what form is the following linear equation written: 3x-2y=4 Slope-intercept Point-slope Standard Rise-run
*September 24, 2014*

**HISTORY**

3. c
*September 24, 2014*

**Chem**

16.3 L N2 at 25 °C and 125 kPa and 40.7 L O2 at 25 °C and 125 kPa were transferred to a tank with a volume of 5.50 L. What is the total pressure at 45 °C?
*September 24, 2014*

**math**

It is equally probable that stock A will have a +10% or -10% rate of return The only other possibility is that it will return 0%.The probability of 0% is twice that for a return of +10%. What is the expected return and Standard deviation of the return for stock A?
*September 24, 2014*

**Chemistry**

The solubility of acetanilide in your recrystallizing solvent is 5.0 mg per mL at 10 degrees Celsius. Calculate the maximum percent recovery in this experiment, assuming a 15.0 mL recrystallizing solution is filtered at 10 degrees Celsius.
*September 24, 2014*

**Physics of Modern Technology**

1) In a conventional explosion, when each molecule of high explosive chemically reacts, it produces about 4 x 10-18 J (joules) of energy. If each molecule of high explosive weighs as much as a single uranium 235 atom, and each uranium atom releases about 4 x 10-11 J in a ...
*September 24, 2014*

**physic**

A stone drop from the edge of the roof of a multistoried building. Calculate the teme taken by the pot cross to a particular distance AB of height 2.9m, the upper point A being 19.6m below the roof.
*September 24, 2014*

**Calculus I**

Suppose that the number of bacteria in a plate of food is given by N(T)= 10T^2 - 40T + 200, -1<=T<=20 where T is the temperature of the food in degrees Celsius. Suppose that the temperature of the food when it is left out on a picnic table is given by T(t)= 4t + 10, 0<...
*September 24, 2014*

**calculus**

Find the interval [a, b] on which the function f(x) = 2 x3+3 x2−12 x+3 is decreasing. Enter your answer as: [a, b] for some constants a, b.
*September 24, 2014*

**Chem Check Please!**

What type(s) of chromatography is/are most appropriate for solids? Explain ----Liquid-Solid Chromatography ----Thin-Layer Chromatograph What type(s) of chromatography is/are most appropriate for liquids? Explain ----High performance liquid chromatograpy Thanks!
*September 24, 2014*

**Chm 203**

On a size exclusion separation column (e.g. Sephadex) would you expect the longer or shorter chain length compound to be eluted first? Why? Explain? Thanx!
*September 24, 2014*

**French **

What is the difference between aller and vas? What is the difference between these two sentences? Il parle à Marie. Il parle de Marie.
*September 23, 2014*

**physics**

A spring with a spring constant of 53.0 N/m is attached to different masses, and the system is set in motion. What is its period for a mass of 2.7 kg?
*September 23, 2014*

**physics**

A basketball player throws the ball at a 60° angle above the horizontal to a hoop whose centre is located a horizontal distance L = 8.60 m from the point of release and at a height h = 0.80 m above it. What initial speed is required if the basketball is to reach the centre...
*September 23, 2014*

**Meth**

18. Jared wants to rent a car. They charge $39.95 per day plus miles. The first 100 miles are free, but the company charges $0.20 per mile after that. If Jared has $50, what is the range of number of miles he can drive if he rents the car for one day?
*September 23, 2014*

**physic**

The distance between two nearest nodes of a standing wave is 16.3 cm. Hand generated pulses move up and down through a complete cycle four times every seven seconds. Find the velocity of the wave. Answer in units of m/s.
*September 23, 2014*

**ratios**

what is the ratio of 4/5 over 1/6 in simplest form
*September 23, 2014*

**Physic**

19.77
*September 23, 2014*

**Physic**

The distance between two nearest nodes of a standing wave is 17.3 cm. Hand generated pulses move up and down through a complete cycle four times every seven seconds. Find the velocity of the wave. Answer in units of m/s.
*September 23, 2014*

**physics**

A rock dropped into a pond produces a wave that takes 15.7 s to reach the opposite shore, 24.3 m away. The distance between consecutive crests of the wave is 3.5 m. What is the frequency of the wave?
*September 23, 2014*

**math**

A box of 20 Crunchy Munchy cookies costs $2.50 and a box of 40 Crunchy Munchy cookies costs $4.00. One quart of milk costs $1.50. Which of the following options costs less?
*September 23, 2014*

**Fractions (not decimals)**

5 23/92 = 5 1/4
*September 23, 2014*

**Fractions (not decimals)**

(60 3/8) / (11 1/2) = (483/8)/(23/2) = (483/8)*(2/23)= (966/184)= 5 46/184 = 5 23/92
*September 23, 2014*

**Math**

Find two numbers the exact answer is between 6x7381
*September 23, 2014*

**science**

Sorry, I meant to ask if all organisms reproduce?
*September 23, 2014*

**science **

Do all animals reproduce?
*September 23, 2014*

**calculus**

Suppose that the number of bacteria in a plate of food is given by N(T)= 10T^2 - 40T + 200, -1<=T<=20 where T is the temperature of the food in degrees Celsius. Suppose that the temperature of the food when it is left out on a picnic table is given by T(t)= 4t + 10, 0<...
*September 23, 2014*

**calculus**

Suppose that the number of bacteria in a plate of food is given by N(T)= 10T^2 - 40T + 200, -1<=T<=20 where T is the temperature of the food in degrees Celsius. Suppose that the temperature of the food when it is left out on a picnic table is given by T(t)= 4t + 10, 0<...
*September 23, 2014*

**math**

solve x+2=2x+1
*September 23, 2014*

**algebra 2**

The average score on a standardized test is 750 points with a standard deviation of 50 points. What is the probability that a student scores more than 700 on the standardized test?
*September 23, 2014*

**Chemistry**

A hydrogen atom has a mass of 1.673x10^-24 g How many hydrogen atoms would you have in 5.6 g of hydrogen?
*September 23, 2014*

**Math **

Jasmine has 8 pack of candle wax to make scented candles. Each pack contain 14ounces of wax. Jasmine uses 7 ounces of wax to make one candle . How many candles can she make
*September 23, 2014*

**chemistry**

10. A student weight out a 25 g sample of NaCl, SiO2 and NH4Cl. The student determines the sample contains 3.0 g NH4Cl and 7.0 g SiO2. What is the percentage of NaCl by mass (weight) in the sample?
*September 23, 2014*

**Pre-calculus/Trignometry**

Which of the following is a correct equation for the line passing through the point (-1,4) and having slope m = -3? A. y-4=-3(x+1) B. y=-3x+1 C. 3x+y=1 D. y=-1/4x-3
*September 23, 2014*

**Algebra**

5799
*September 23, 2014*

**Algebra 2**

Explain how to find the slope of a line from a table of data.
*September 23, 2014*

**math**

The Sandersons are planning to refinance their home. The outstanding principal on their original loan is $100,000 and was to amortized in 240 equal monthly installments at an interest rate of 11%/year compounded monthly. The new loan they expect to secure is to be amortized ...
*September 23, 2014*

**lac 2**

4. Critics often say that Chekhov’s short stories show “slices of life” rather than complete story arcs. How do the endings of "Star Food," "Everything That Rises Must Converge," and "The Bet" reflect what might be considered ...
*September 23, 2014*

**Science--Help.**

Which of the following is NOT one of the eight most common elements in Earth’s continental crust? carbon silicon oxygen aluminum The most abundant element in Earth’s continental crust (by weight) is _____. 2. oxygen silicon calcium iron 3. The central region of an ...
*September 23, 2014*

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