Thursday

July 24, 2014

July 24, 2014

Total # Posts: 2,967

**Chemistry**

1.278 mL of water at 10°C was placed in a 3.0 L container that was sealed and evacuated. Then, 3440 J of heat was added to the water. Determine the pressure inside the container after heating. (Assume all of the heat goes into the water.) d (H2O(s)) 1.00 g/cm3 Csp(H2O(s)) ...

**Psychology**

?? plz

**Psychology**

"It all happened for the best," "I would never have left that dreadful job if they had not laid me off," and "Yes, I miss mom's home cooking, but I am going to school and building my future." These are examples of: (Points: 5) avoidant coping....

**chemistry**

no its Charles' Law

**chemistry**

A high-altitude balloon contains 97.5 L of helium gas at 95.8 kPa. What is the volume when the balloon rises to an altitude where the pressure is only 21.5 kPa? (Assume that the temperature remains constant.)

**geometry**

A right triangle because 6^2 + 8^2 = 100 and the square root of 100 is 10 :)

**Calculus**

find the inflection points of x^4+5x^3-9x^2+6

**chemistry**

It's supposed to be 105 mL of H2O. SH of water: 4.18 J/g deg C SH of steel: 0.452 J/g deg C

**3rd grade math**

Ramon weighs 46 kilograms. Trentweighs 37,000 grams. Who weighs more<

**Chemistry**

How many moles are there in 80.0g of C2H5Cl? leave answer in significant figures. please help and explain how to get the answer.

**Psychology**

I thinks its A

**Psychology**

Evaluations of a particular belief, person, object, or idea describe a person’s: (Points: 5) attitudes. motivation. predispositions. biases. was thinking D im not sure can someone help please?

**Calculus**

Find the tangent approximation for sqrt(5+x) near 3

**Psychology**

thank you very much

**Psychology**

Carl Jung’s idea of the collective unconscious states that we share: (Points: 5) inherited universal ideas, wishes, and memories. common learning experiences in childhood or infancy. tendencies to sacrifice ourselves individually for the group. ideas that arise from, and ...

**accounting**

a mutual fund has total assets of $57000000 and liabilities of $ 8550000. if 15960000 shares are outstanding, what is the net asset value of the fund?

**Calculus**

Find the slope of the tangent line to the ellipse (x^2)/4 + (y^2)/9 = 1 at the point (x,y)

**Calc**

find the slope of the tangent to the curve: y^2=x^3/xy

**Psychology**

ok thanks

**Psychology**

can i get some help please?

**Psychology**

"I just can't make myself study ahead for a test. I work better under pressure. Perhaps it is the fear associated with waiting until the last minute that gets me going." This approach to motivation is best explained by: (Points: 5) incentive approaches. drive-red...

**maths**

Michelle is making a scale drawing of a building. The scale for the drawing is 1 inch = 6 feet. The height of the building in the drawing is 7 1/4 inches. Determine the height of the actual building.

**Math**

Joe has a collection of nickels and dimes that is worth $6.05 if the number of dimes was double and the number of nickels was decreased by 10 the value of the coins would be $9.85 how many nickels and dimes does he have?

**algebra**

Solve using qaudractic formula.Then use a calculator to approximate to three decimal places, the solution as rational numbers. X^2-4x+1=0

**algebra**

Solve using qaudractic formula.Then use a calculator to approximate to three decimal places, the onlution as rational numbers. X^2-4x+1=0

**Physics**

You are the design engineer in charge of the crashworthiness of new automobile models. Cars are tested by smashing them into fixed, massive barriers at 56 km/h (35mph ). A new model of mass 1900 kg takes 0.15 s from the time of impact until it is brought to rest. 1. Calculate ...

**A U**

Answers: 1:4 2:4 3:4 4:2 5:1 6:3 7:4 8:4 9:1 10:4 11:3 12:1 13:2 14:4 15:3 16:2 17:3 18:3 19:4 20:3 21:1 22:2 23:2 24:3 25:2

**A U**

<11{1[4(17)17]}> Mrs. Orlof teaches two history classes, one in the morning and one in the afternoon. Yesterday she gave the same test to both classes. Anyone who failed the test must take a retest. Since a greater percentage of students who took the morning test failed ...

**algebra**

completetly factors the followin expression 4a^2-12ab+9b^2

**statistics**

It is well known that the heights of individual American men are normally distributed with mean 70 inches and standard deviation 2.8 inches. The Central Limit Theorem states that if n men are randomly chosen, then their average height will also be normally distributed with mea...

**chem**

which of the following is insoluble (1)calcium chloride (2)ammonium phosphate (3)barium sulfate (4)potassium chromate

**Science**

in a true solution, the dissolved particles (1)are visible to the eye (2)will settle out on standing (3)are always solids (4)cannot be removed by filtration

**Math**

The following is a list of 11 measurements: -2,82,87,-1,-51,-2,53,87,-20,32,35 Suppose that these 11 measurements are respectively labeled . (Thus, is labeled , is labeled , and so on.) Round your answer to at least two decimal places.

**pre-algebra-is my answer right**

Today only, a desk is being sold at a 27% discount. The sale price is $219.00 . What was the price yesterday? Is it $300.00

**Thanks**

Thank You

**pre-algebra-is my answer right**

Graph -3x+4 My points are at (0,4) and (1,1)

**statisics**

A man rolls an ordinary die 6 times. What is the probability that he gets at least 5 threes? Round your answer to four decimal places.

**statisics**

I got 0.0001500

**statisics**

A man rolls an ordinary die 6 times. What is the probability that he gets at least 5 threes? Round your answer to four decimal places.

**Algebra**

Divide: (-8y^7x+15y^7x^6)/(-2y^2x^5) I got y^5(-8+15x^5)/-2x^4 It won't let me add parens. in the answer any suggestions. It does say simplify your answer as much as possible.

**intermediate algebra**

I got -y^5(15x^5-18)/2x^4 Is that right?

**intermediate algebra**

Divide: (-8y^7x+15y^7x^6)/(-2y^2x^5)

**intermediate algebra**

I got 20sqrt(2)-6sqrt(5)-2sqrt(10)+3

**intermediate algebra**

Multiply (2sqrt5 -1)(2sqrt10 -3)

**Algebra**

Find the slope of points (-2,2) and (2,1)

**Algebra**

thanks for the clarification I forgot to bring the 4 out as a 2

**Algebra**

Rewrite the following in simplified radical form. (sqrt24w^8) I got 4w^2sqrt6w is that right?

**Algebra- is my answer right**

I think it has to be written as m<= 80

**Chemistry**

what is the percent by mass of oxygen in propanal, CH3CH2CHO? the answer is 27.6 %. but i need to know why, please help !

**algebra**

list the terms, coeffcients, and degree of the following polynomial:x^4+6x^3-x+3/4

**algebra**

state the degree of the following polynomial : 2x^3y+7xy-9y

**algebra**

Bob's Barber shop estimates their gross revenue for the second qaurter to be given by the polynomial 9x^3+4x^2-6x+9. The shop estimates their costs for that quarter to be given by 7x^2+2x+1. For the second qauter,find and simplify a polynomial that will represent their profit

**math**

prime factorization of 980

**math**

5/7- 1/2 (1/3 + 3/7)

**algebra 1a**

Can you show me the step by step to solve -3(4y-2)<30?

**algebra**

y+x=-4

**mat/116**

solve by elimination method. 7r-2s=61 2r+7s=25

**Writing EASY BRAINSTORMING**

i want to known how to write it.

**7th Math**

Loises rate is 5 worfs per min sloer than coreys rate?

**7th Math**

If Loiuse can type 70 words in 2 minutes and Corey can type 120 words in 3 minutes, which statement is true?? Loises rate is 50 words per minutes slower than coreys rate or Louise rate is 5 words per minutes slower than coreys rate

**phys**

An airplane must reach a speed of 185 mi/h to take off. If the runway is 500 m long, what is the minimum value of the acceleration that will allow the airplane to take off successfully?

**math**

i mean 33/240.9

**math**

33 / 240.90

**math**

15/8 as a mixed number

**algebra**

Suzies flower shop estimates that supplies cost for one month will be given by the polynomial 3x^2+7x-3. She estimates the utilities costs for one month is given by 5x+2 Find and simplify an expression that would estimate suzie's total cost for one month.

**Math**

Solving First degree equations. 0.2x-0.3=0.1x+5 I am having a hard time entering this into my TI-84

**math**

simplify 4/5 - 1/2 (1/3 +3/8)

**math**

simplify 5/8 / 1/4 * 9/2

**math**

simplify 1/8 -(1/8)2 + (1/8)3

**math**

3 16/72+5 9/72= 8/25/72

**math**

8 25/72

**math**

Do I have to find the lcd first

**math**

find the average of 3 2/9 and 5 1/8 simplify and type a mixed number

**math**

13 1/48- 2 1/12+ 3 1/3 =13 1/48 - 2 1/48 =13 1/48 - 2 4/48 =12 49/48 - 2 4/48 =10 45/48 10 45/48 +3 1/3 10 45/48 + 3 16/48 =13 61/48

**math**

simplify and write answer as a mixed number 13 1/48 - 2 1/2 + 3 1/3

**math**

the second one with out the parentheses around it

**math**

3/2 / 4/5 + 1/2 * 1/2 Simplify

**math**

find the average 1/3 ,3/8 ,1/24

**math**

18/8

**math**

find the average 1/3 ,3/8 ,1/24

**math**

what is 164/24 as a mixed number

**math**

find the average 1/3 ,3/8 ,1/24

**math**

find the average 6 1/7 and 7 3/8

**math**

simplify 3/2 / 7/10 /5/2

**math**

69.5

**Psychology**

hello any opinions?

**Psychology**

help please?

**Psychology**

Information which comes to a neuron must arrive through its: (Points: 5) axons. glial cells. prefrontal area. dendrites its either the axons or dendrites im not sure any help please..its confusing

**chemistry - grade 9**

calculate the mass carbon monoxide, CO, that was needed to produce 78g of methanol, CH3OH, by the following reaction: 2H2 + CO -> CH3OH.

**chemistry**

sorry, typed incorrectly...will repost.

**chemistry**

calculate the mass carbon monoxide, CO, that was needed to produce 78g of methanol, CH3OH, by the following reaction: 2H2 + CO - CH3OH.

**algebra**

A dehydrated patient needs a 7.9% saline IV. Unfortunately, the hospital only has bags of 3% and 10% saline solutions. How many liters of each of these solutions should be mixed together to yield 3 liters of the desired concentration?

**algebra**

A dehydrated patient needs a 7.9% saline IV. Unfortunately, the hospital only has bags of 3% and 10% saline solutions. How many liters of each of these solutions should be mixed together to yield 3 liters of the desired concentration?

**algebra**

A dehydrated patient needs a 7.9% saline IV. Unfortunately, the hospital only has bags of 3% and 10% saline solutions. How many liters of each of these solutions should be mixed together to yield 3 liters of the desired concentration?

**Chemistry**

In a 100g sample of water, determine the amount of weight that is attributed to Hydrogen and to Oxygen. i found the mass ratio which is 2:16 & then reduced its 1:8. then i set up my equation. 1x+8x=100g 9x=100g x=11.11111111 or 100/9 then i have to substitute. 1(100/9)= 11.111...

**alegbra**

solve for, where u is a real number sqrt 9u - 10 = sqrt 5u + 16

**Chemistry**

In a 100g sample of water, determine the amount of weight that is attributed to Hydrogen and to Oxygen. i found the mass ratio which is 2:16 & then reduced its 1:8. then i set up my equation. 1x+8x=100g 9x=100g x=11.11111111 or 100/9 then i have to substitute. 1(100/9)= 11.111...

**Psychology**

ANY HELP PLEASE????

**Psychology**

In her lecture concerning scientific method, Dr. Smith insisted that each of the steps must be used in order to arrive at a scientific finding. She included directions to __________ in her list of necessary components. (Points: 5) form a question and design a procedure for tes...

**Psychology**

THANK YOU VVERY MUCH

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