Wednesday

July 23, 2014

July 23, 2014

Total # Posts: 2,141

**statistics**

an urn contains 3 blue chips and 7 red chips. sequentially draw 3 chips without replacement. what is the probability that all drawn chips will not be the same color?

**Algebra 1**

-2 - radical bar 5 over radical bar 10 simplify

**Algebra 1**

N/5-9=1/5

**math**

i mande 440 at a yard sell in 10 20 i need to have 5 more 10 than 20

**algebra 2**

y varies directly with x. When y = 20, x = 50. Find x when y = 36.

**Math Stats**

Chris is shopping for CDs and decides to purchase 3 movie soundtracks. The store has 9 different movie sountracks in stock. How many different selections of movie sountracks are possible?

**math**

1/3 + 5/6 = 7/6 7/6 + 3/8 = 37/24 37/24 = 1 13/24 or approx 1.5417

**health**

2. ________ in the pancreatic islets secrete the hormone insulin in response to a high concentration of glucose in the blood. A. Beta cells B. Alpha cells C. Gamma cells D. Sigma cells i put b but it said it was wrong

**Physics**

. The cheetah is the fastest running animal in the world. Cheetahs can accelerate to a speed of 20 m/s in 2.5 an can continue to accelerate to reach a stop speed of 29 m/s. Assume the acceleration is constant until the stop speed is reached and is zero thereafter. (a) Express ...

**math**

Ling bought 5 dishes and 9 glasses for $25.50. Each glass cost 50¢ cents more than each dish. How much did Ling spend the glasses

**trig**

I think you mean find all angles theta between 0 and 2pi.

**math**

What is 77 percent round to nearest tenth of a degcree

**writing**

Can someone check my answers for me? True or False... 1. TRUE you should use a comma before the word “and.” 2. FALSE The following is a sentence fragment: It no longer flies. 3. TRUE In the following sentence, the ()'d word is used correctly: The (Jones’) co...

**Chemistry**

prepare some 0.1 HCl by diluting the appropriate volume of stock 'conc' HCl to 1L. The stock acid is 37.4% HCl by weight and has a density of 1.19g/mL . Measure out the required volume with a graduated clyinder

**Physics**

In a stunt for an action movie, the 100 kg actor jumps from a train which is crossing a river bridge. On the river below, the heroine is tied to a raft floating towards a waterfall at 3 m s−1. The raft and heroine have a total mass of 200 kg. a If the hero times his jump...

**Math **

What is 3/4 exivalent to? And 0.9 is exivalent to?(:

**Math**

5/6 is exivalent to? 0.85 is exivalent to? 3/4 is exivalent to? And 0.9 is exivalent to?

**science**

what are the number of digits in a measurement that are known with a certain degree of reliability?

**Geometry**

Use the figure below in which ec bisects ad at c. Find the value of x and the measure of the indicated segment.

**Calculus**

An open top box is made by cutting congruent squares from the corners of a 12 inch by 9 inch sheet of cardboard and then folding the sides up to create the box. What are the dimensions of the box which contains the largest volume?

**Algebra 1**

when the cost of a car is multiplied by 0.07 the results is $1710. Find the cost of the car.

**math**

2x^2+18x-20=0

**Math (Geometry)**

What is the midpoint of line BC with B (2,0) and C (-4,6)?

**finance**

A manufacturing company issues a bond with a 100,000 face value and a coupon rate of 7%. If the bond has a life of 30 years, pays annual coupons, and the yield to maturity is 6.8%, what percentage of the bond's price is the present value of the face value?

**chemistry**

How is overall molecular polarity affected by molecular symmetry (specifically shown for alkenes in book)? And what are the consequences for melting and boiling points (in cases of high molecular symmetry versus low molecular symmetry)? I looked for help in the book but it did...

**chemistry**

What is high molecular symmetry and low molecular symmetry and give examples of both please help!!!

**healthcare**

what is the effects of hippa and other regulations on the use of these media for health care communication?

**organic chemisrtry**

What is a stretch (symmetric versus asymmetric)? What is a bend? ionterpreting infrared spectra NEED HELP PLEASE!!!!!!!!!!!!!!

**organic chemisrtry**

What must a molecule possess to be able to absorb radiation in the infra-red region?

**organic chemisrtry**

How do melting points differ for ionic compounds versus those that contain only covalent bonds? Why is this so (explain)?

**organic chemisrtry**

What is high molecular symmetry and low molecular symmetry and give examples of both please

**organic chemistry**

How is overall molecular polarity affected by molecular symmetry (specifically shown for alkenes in book)? And what are the consequences for melting and boiling points (in cases of high molecular symmetry versus low molecular symmetry)?

**Math**

a rare truffle once sold for 13 dollars and 20 cents for a 0.44 ounce can how much would 1 a pound be

**Math**

I am having trouble figuring out this question: My quotient is 1 more than 30/5. My remainder is 2. What division sentence am I?

**health**

Mean intake of seafood in the United States is approximately 3- 1/2 ounces per week, and increased intake is? A. Not advised B. Believed to cause harm C. Not likely to help or harm D. Recommended i think c

**help please**

thank you

**help please**

i think its d

**help please**

Which age groups benefit from physical activity? A. Children B. Middle aged adults C. Older adults D. All of the above

**help please**

By making smart food choices, you can help protect yourself from: A. Accidents B. Bone loss C. Type 2 Diabetes D. Both B and C

**health**

it is c

**health**

What types of food can saturated fats be found in? A. Lima beans B. Whole milk C. Seafood D. Potatoes I got A what do you think

**Algebra**

;p

**Pre algebra math **

How do I do 21 - y, explain

**Math**

HELP?! 1.-9^2 2.(5x^9y)(-2x^-2y^-3) 3.(a^1b^-2) / (a^-2b^4) 4.(7x^-1/y^4)^-2 Scientific notation: 5) .0000745 Decimal Form: 6) 9.3*10^6 Solve: 7.3√-27 8.√(-5a)^2 Simplify: 9.√60x^5y^2 10.√75x^3 / √3x

**Algebra2**

So if the absolute vale equals a negative number there is no solution? Such as: |x^2+2x+1|=-4 So, that has no solution?

**Algebra2**

Making Sure these are right? absolute value: 1.|7x+2|=10 x=1.1 x=1.7 2.|3x-5|=-1 x=1.3 x=2

**Law**

The Jones Act, as the Merchant Marine Act was passed to support a strong national merchant marine, requiring that ships transporting goods on U.S. territorial waters to be built, owned and operated by U.S companies. The majority of the crew also must consist of U.S. citizens. ...

**reading**

the answer is captions

**reading**

is it captions

**reading**

the table of contents is the thing you read that shows you what page to turn to of witch chapter.

**reading**

subheads and table of contents

**reading**

I think its b but not sure.

**reading**

In order to get an idea of significant subject areas in a chapter, it is best to read the: A. subheads. B. graphics. C. captions. D. table of contents.

**reading**

When is the best time to read review the discussion questions? A. Immediately after you have finished all of the reading. B. After you write your notes. C. Before you begin any detailed reading. D. At least 1 hour after your detailed reading.

**math**

i used a calculator and the answer is b.

**chemistry**

if the pressure of 1.50L of hydrogen gas at 100 degrees celsius decreases from .500atm to .115atm,what is the final volume. assume temp remains the same

**college physics**

A 565 N mountain climber moves across a rope strung across a canyon. When she is more than halfway across, she notices the rope makes a 10.0 degree angle (from horizontal) behind her and a 25.0 degree angle (from horizontal) ahead of her. What are the tensions in the rope in f...

**Chemistry**

302.4 grams

**Chemistry**

You need to make 4200 mL of 0.450 M CuSO4. How many grams of CuSO4 do you need?

**spanish**

never mind figuerd it out

**spanish**

when will i get the answer?

**spanish**

1.También tengo mi propio auto. 2. Me llamo Mario Verdejo. 3. Soy el mejor chofer de Santiago. 4. Mi nuevo cliente se llama Jaime Talavera y es de los Estados Unidos. 5.Mañana vamos al Valle de Maipo. can some one help me put this in order cant seem to figure it ...

**ENGLISH**

Does the phrase "frozen to the spot" means: I couldn't move because of fear?

**ENGLISH**

Yea sorry typo .. I think it's A because B and C are personification and D is referring to a man and it didn't say what kind of figure it was.

**ENGLISH**

The phrase "my eye caught the shadow means" : A. I saw the shadow out of the corner B. My eye went and grabbed hold of a shadow C. The shadow grabbed my eye D. I saw a man standing at my side

**Physics help**

A wave is described by the equation y = (4.5×10−2) sin (1.9x − 3.2t), where lengths are measured in meters and time in seconds. What is the displacement of a particle at position x = 2.7 m at time t = 5.8 s? Note: Remember that the argument of the sine functi...

**Physics!**

The figure shows a uniform disk with a circular hole cut out of it. The disk has a radius of 4.00 m. The hole's center is at 2.00 m, and its radius is 1.00 m. What is the x-coordinate of the center of gravity of the system? The center of the disk is (0,0) The center of the...

**Physics**

A dancer completes 3.4 revolutions in a pirouette. What is her angular displacement? In rad.

**physics help please**

A dancer completes 3.4 revolutions in a pirouette. What is her angular displacement?

**Physics**

A dancer completes 3.4 revolutions in a pirouette. What is her angular displacement? Help me get this answer please.

**finance**

You have finally saved 10,000 and are ready to make your first investment. You have the three following alternatives for investing that money: 1) Captial cities ABC Inc. bonds with a par value of $1000 that pays an 8.75 percent on its par value in interest, sells for $1.34 and...

**business finance**

Her are the data on $1000 par value bonds issued by Microsoft, Ford, and Xerox at the end of 2008, Assume you are thinking about buying these bonds as of January 2009. Answer the following questions. a. Calculate the values of the bonds if your required rates of return are as ...

**nutrition**

What personal boundaries would be establish in a nutrition seminar session?

**chemistry/check please**

-Hydrogen is the lowest density solid 2.which element has the highest? Osmium

**chemistry**

In solid form, what element has the lowest density? Which has the highest density? -Hydrogen is the lowest density solid 2.which element has the highest? can you help?

**chemistry/help**

In solid form, what element has the lowest density? Which has the highest density? -Hydrogen is the lowest density solid 2.which element has the highest? can you help?

**chemistry/help**

In solid form, what element has the lowest density? Which has the highest density? 1. Hydrogen is the lowest density solid 2.which element has the highest?

**chemistry / help please**

What is the name of: ZnNO3, of (NH4)2O, of Rb3PO4, or NH4ClO4?

**PHYSICS**

An applied force accelerates a 50-kg crate along a frictionless floor from rest to 5 m/s.The work performed by this force is most nearly 125 J 250 J(x) 500 J 625 J 1,250 J Can someone please explain this to me and help? I thought it was 250 J but my calculation was wrong.

**world history**

Why did Queen Mary imprison her half -sister Elizabeth? a-She had converted to Calvinism b- She had led an uprising c- She was beautiful d- She was popular and protestant answer: D correct?

**learing**

D.

**chemistry**

the chemical substance called flavin (an anthocyanin) is it write?

**chemistry**

What chemical substance is in red cabbage which serves as an indicator for acids and bases?

**world history**

Can you tell me 3 ways that the conclusion of WW1 leads into directly into WW2? thank you.

**PHYSICS PLEASE HELP**

A particle travels counterclockwise around the origin at constant speed in a circular path that has a diameter of 2.50 m, going around twice per second. Point Q is on the path halfway between points P and R, which lie on the x axis and the y axis, respectively. State the follo...

**algebra**

In a canoe race, a team paddles downstream 480 m. in 60 s. The same team travels up stream in 80 s. Find the team's rate in still water and the rate of the current. Please show how the equation is set up to solve

**algebra**

A jet travels at a rate of 798 mi/hr. with the wind. Going against the wind, the jet travels at a rate of 762 mi/hr. What is the rate of the jet in still air and the the rate of the wind? please show how the equation should be set up

**ALGEBRA**

Jim paddles a canoe upstream at a rate o 3mi/hr. Traveling downstream, he travels at 8 mi/hr. What is his rate in still water and what is the rate of the current? PLEASE SHOW THE SOLUTION EQUATION

**math**

5/10=3/5

**Physics :)**

The vector F is (12.0, −3.00) in rectangular notation. What is this same vector in polar notation? Express the angle as a positive number between 0° and 360°. I got 12.4, just can't get the angle.

**spanish/help pleaseeeee**

1-trabajaba 2- iban 3-teniamos 4- era 5-cuidaban 6- jugaba 7- nos divertiamos. complete the paragragraph. Cuando yo------ chica,mi vida era muy diferente.Yo nunca----,solo-------con mis amigos. Mis padres-----al trabajo y mis abuelos me-----.Nosostros no -----un televisor, por...

**finance**

An investor estimates that next year’s sales for New World Products should amount to about $75 million. The company has 2.5 million shares outstanding, gener- ates a net profit margin of about 5% , and has a payout ratio of 50% . All figures are expected to hold for next ...

**algebra**

Convert the following credit card rate to the APR. Nebraska, 0.04110% daily rate. (Round your answer to the nearest whole number.)

**ALGEBRA**

Calculate the monthly finance charge for the following credit card transaction. Assume that it takes 10 days for a payment to be received and recorded and that the month is 30 days long. Assume 365 days in a year. (Round your answer to the nearest cent.) $3,000 balance, 21% ra...

**Odd or Even function?**

f(x)=x^3 + sin x So far.. I've heard it's neither.. But how? Thanks

**math**

if an office has an area of 120 sqare feet and a perimeter of 44 feet. what are the dimensions of this office.

**math**

a pie is cut into 8 equel slices. if a person wants 0.75(pie sign) centimetre of crust, about how many pieces should they take?

**adv functions**

a pie is cut into 8 equel slices. if a person wants 0.75(pie sign) centimetre of crust, about how many pieces should they take?

**Chemistry**

We apply the same amount of energy to 10.0-g samples of aluminum, and silver which begin at the same temperature.Rank the metals from highest to lowest temperature after the heat is applied.

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