Monday

September 26, 2016
Total # Posts: 268

**algebra**

-3a<-15 -3=-15 ________ -3 =5

*September 5, 2011*

**TU**

calculus, annually

*September 5, 2011*

**TU**

what is the interest of $25,000, invested for 7yrs at 7% interest compounded

*September 5, 2011*

**chemistry**

An object has a mass of 16.3 grams and occupies a constant volume of 85.2 mL at standard conditions. Calculate the density of the object in g/mL?

*August 29, 2011*

**Algebra II**

Give the equations of any horizontal asymptotes for the graphs of the rational functions. h(x)=(7x²-8x-5)/(8x²-3x+9) g(x)=(x²+4x-8)/(x-8)

*July 6, 2011*

**Algebra 2**

is the second one R=625?

*July 6, 2011*

**Algebra 2**

Provide an appropraite response. If y varies inversly as the 4th power of x and y=3 when x=2, what is y when x=0.5? If Q varies inversly as the sqaure root of R and Q=2 whe R=4, what is Q when R is 25?

*July 6, 2011*

**Business Statistics**

John & Jane are married. The probability that John watches a certain television show is .4. The probability that Jane watches the show is .5. The probability that John watches the show, given that Jane does, is .7. 1) find probability that both John & Jane watch the show. 2) ...

*June 21, 2011*

**math**

x2 + 12x - 64 = 0

*June 10, 2011*

**Math**

x2 - 2x - 13 = 0

*June 10, 2011*

**Math**

x2 - 2x - 13 = 0

*June 10, 2011*

**math**

In a shop there are 20 customers, 18 of whom will make a purchase. If three customers are selected, one at a time, at random, what is the probability that all will make a purchase?

*June 9, 2011*

**math**

If two people are selected at random, what is the probability that they were both born in May?

*June 9, 2011*

**math**

Katie had an unpaid balance of $1,734.50 on her credit card statement at the beginning of January. She made a payment of $165.00 during the month. If the interest rate on Katie's credit card was 7% per month on the unpaid balance, find the finance charge and the new ...

*June 9, 2011*

**math**

Two dice are rolled. Find the probability of getting a 5 on either die or the sum of both dice is 5.

*June 9, 2011*

**math**

If two people are selected at random, what is the probability that they were both born in winter (December, January, or February)?

*June 9, 2011*

**math**

coat with an original price of $300.00 is on sale for $285.00. Find the percent of the markdown.

*June 9, 2011*

**math**

A company borrowed $1500. It must make monthly payments of $40.50 for 42 months to pay off the loan. Use the constant ratio formula to find the annual percentage rate.

*June 9, 2011*

**math**

A $400 loan is to be paid off in 66 monthly payments of $11.62. The borrower decides to pay off the loan after 18 payments. Use the rule of 78s to find the amount of interest saved. (Points : 1) $194.13

*June 9, 2011*

**math**

When a single card is drawn from a shuffled deck of cards, find the odds against getting a 9.

*June 9, 2011*

**math**

Phil had an unpaid balance of $1,854.50 on his credit card statement at the beginning of December. He made a payment of $45.00 during the month. If the interest rate on Phil's credit card was 2.5% per month on the unpaid balance, find the finance charge and the new balance...

*June 9, 2011*

**math**

. A box contains five blue, eight green, and three yellow marbles. If a marble is selected at random, what is the probability that it is not blue?

*June 9, 2011*

**Math**

Aaron had an unpaid balance of $1,177.79 on his credit card statement at the beginning of April. He made a payment of $430.00 during the month, and made purchases of $366.02. If the interest rate on Aaron's credit card was 4.5% per month on the unpaid balance, find his ...

*June 9, 2011*

**math**

Two dice are rolled. Find the probability of getting a sum greater than 8. 0 13/36 2/9 5/18

*June 9, 2011*

**math**

Dr. Collins borrowed some money to buy new furniture for her office. She paid $720.00 simple interest on a 7.5-year loan at 16%. Find the principal.

*June 9, 2011*

**Math**

Find the slope of the line passing through the points (10, 0) and (0, 3). -10/3 10/3 3/10 -3/10

*June 8, 2011*

**Math**

Find the slope of the line passing through the points (10, 0) and (0, 3). -10/3 10/3 3/10 -3/10

*June 8, 2011*

**Math**

In triangle ABC, angle C is a right angle. Find the measure of angle B if side b = 105 m and side c = 139 m. 49° 59° 53° 47°

*June 8, 2011*

**Math**

x + y = 26000 .06x * .03y = 1080 x =

*June 8, 2011*

**Math**

Find the measure of the supplement of 58 degrees

*June 7, 2011*

**Math**

19. Janet invested $26,000, part at 6% and part at 3%. If the total interest at the end of the year is $1,080, how much did she invest at 6%? $11,000 $10,000 $9,000 $16,000

*June 7, 2011*

**Math**

Find the vertex of the parabola. y = -4x2 - 16x - 11

*June 7, 2011*

**Math**

13. Find the vertex of the parabola. y = -2x2 + 12x - 13 (5, -3) (-3, 5) (3, 5) (5, 3)

*June 7, 2011*

**Math**

The difference between the ages of two friends is 2 years. The sum of their ages is 74 years. Find the age of the older friend. (Points : 1) 38 36 39 37

*June 7, 2011*

**Math**

11. Determine whether or not the relation is a function. {(-3, 6), (-2, 7), (-1, 8), (0, 9)} No Yes

*June 7, 2011*

**Math**

10. Find the slope of the line passing through the points (10, 0) and (0, 3). (Points : 1) -10/3 10/3 3/10 -3/10

*June 7, 2011*

**Math**

In triangle ABC, angle C is a right angle. Find the measure of angle B if side b = 105 m and side c = 139 m. (Points : 1) 49° 59° 53° 47°

*June 7, 2011*

**Math**

Determine whether or not the network is traversable. (Points : 1) No, it is not traversable. Yes, it is traversable.

*June 7, 2011*

**Math**

Find the measurement of the supplement of 58 degrees

*June 7, 2011*

**Math**

Determine whether or not the relation is a function (1,9)(2,10)(3,11)(4,12)

*June 7, 2011*

**Math**

Find the coordinates of the x intercept 2x + y = -6

*June 7, 2011*

**Math**

Determine whether the system is consistent, inconsistent, or dependent. 2x + 2y = 2 6x + 6y = 6 or consistent and dependent

*June 7, 2011*

**Math**

Find the domain and range of the relation, and state whether or not the relation is a function (1,3)(2,3)(3,3)(4,3)

*June 7, 2011*

**Math**

18. Find the value for the correlation coefficient r. (Points : 1) –0.073 –0.094 –0.203 –0.149

*June 7, 2011*

**math**

Can you explain the process of finding the answer more I'm a little confused

*May 23, 2011*

**science....need answer in 8 minutes!!!!!!**

Please help!!!!!!!!!!!

*March 29, 2011*

**science....need answer in 8 minutes!!!!!!**

Which of the materials is NOT recently mined from the ocean floor? 1.oil and gas 2.nodules 3.diamonds 4.phosphorites HELP!!!!

*March 29, 2011*

**Math**

45 is the answer!!!!!

*March 29, 2011*

**english**

what significance do the lions on the beach have for the old man, from ernest hemingway the old man and the sea?

*March 23, 2011*

**science**

I don't think there is an answer for that????

*March 18, 2011*

**Algebra**

I'm needing help with this. Thanks An individual can be classified by gender as male, female, by hair color as black, blonde, brown, red, unknown, and by eye color as black, brown, green. A) How many different classifications are possible (for example, female, with unknown...

*February 1, 2011*

**geometry**

Given Isosceles trapezoid ABCD. AB = 3x - 4 and CD = x + 12. Find AB. Isosceles trapezoid A B C D is drawn. 2 8 16 20

*December 15, 2010*

**Algebra**

An operation is commutative if you can change the order of the numbers involved without changing the result. Addition and multiplication are both commutative. Subtraction is not commutative: 2 - 1 is not equal to 1 - 2. So my question is what’s the difference between 2 - ...

*December 12, 2010*

**physics**

Before a collision, a 28 kg object is moving at +13 m/s. Find the impulse

*December 11, 2010*

**6th grade**

if the ratio is 3:2 and length is 5 inches.what is the widith

*December 10, 2010*

**Math**

Three large barrels are transported on a railroad car by stacking the third one on top of the other two and using a tight metal band around all three to hold them together. If the outside diameter of each barrel is 3 feet, then what is the length of the metal band?

*November 22, 2010*

**Business Math**

A company purchased an air conditioning system for $10,200. Shipping charges on the system are $875. Setup costs were $1,250. The system is expected to last for 5yrs and has a residual value at $2000. If I use the straight-line method to calculate depreciation for this air ...

*November 2, 2010*

**english**

I would then choose... The airplane was wrecked by the wind.

*October 24, 2010*

**english**

4. Which of the following sentences contains “passive voice?” (Points : 1) The airplane was wrecked by the wind. The wind wrecked the airplane. The cat chased the mouse. The bird flew after the balloon. a, b, c

*October 24, 2010*

**calculus**

Using a graphing utility, graph and approximate the zeros and their multiplicity. A.x=0,multiplicity 2;x=7,multiplicity 3 B. x=0,multiplicity 2; x=7,multiplicity 1; x=-7, multiplicity 2 C. x=0,multiplicity 3;x=0,multiplicity 2 D.x=0,multiplicity 3;x=-7, multiplicity 2 E.x=0,...

*September 20, 2010*

**5th grade math**

What is 10,000 less than 337,676

*August 23, 2010*

**The elements and Principles of Design**

11/ 2015 all of these are right!:) and the answer to number 9 is figure D

*August 19, 2010*

**N/A**

I'm just needing a question to be ask: If you were head of health informaton management department at a hosptial later an FBI agent came to you with a search warrant and place it in your hand. And he ask to speak with you about the hopital's health records. How should ...

*May 20, 2010*

**Legal and Ethical Aspects of Health Information **

Describe the theories that could support a lawsuit under these circumstances: A surgeon performs elective surgery on a patient. The patient later complains to the surgeon about the pains resulting from the surgery. The surgeon dismisses his complaints an not credible and ...

*May 8, 2010*

**Biology**

A friend tells you that because he has just recovered from a cold, he now cannot get the flu. Is your friend right? Explain your answer.

*May 5, 2010*

**Biology**

In many cases, not all of Koch's postulates can be applied to determine the cause of a human disease. Explain why.

*May 4, 2010*

**Legal and Ethical Aspects of Health Information **

Write a 200 word paper on the three executive offices which most frequently affect the Health Information profession. What do they mean by three executive offices which most frequently affect the Health Information profession. I do not understand can you help me. Thank you

*April 25, 2010*

**chemistry**

at what temperature does 16.3 g of nitrogen gas have a pressure of 1.25 atm in a 25.0 - L tank?

*April 12, 2010*

**chemistry**

an air bubble is released at the bottom of a lake where the temperature is 4 celsius and the pressure is 3.40 atm. if the bubble was 10.0 ml to start, what well its volume be at the surface, where the water temperature is 12 celsius and the pressure is 103 kpa?

*April 12, 2010*

**Read**

yes decripit means old, run down, dlapidated, etc...

*April 5, 2010*

**algebra**

child is now 3 years old - dad opens account with $10,000 it earns 4.5% annual intrest. a) construct formula (A(t)=Ao(a)^t) b) how much money will be in account when he is 10 years old c) if dad wants account to grow to 100,000 when he is 18 then what should original amount to be

*April 5, 2010*

**algebra **

a quanity increases by 6.50% every 3 months. by what percent does it increase.. one month?? one year??

*April 5, 2010*

**algebra**

exponential formula (y=c(a)^x) fill in blanks x y 0 ? 5 40 9 1200 15 ?

*April 5, 2010*

**algebra**

a given graph pases through points (18,25) and (19,100) a) compute delta x b) assume graph is linear and find slope c) assume its exponential and find growth factor

*April 5, 2010*

**Chem**

I know that is a diprotic acid and you do ICE and compare with each Ka value but I am not sure if I am setting it up the right way or doing the correct thing.

*April 1, 2010*

**Chem**

What is the PH of 0.0100M H2SO4?

*April 1, 2010*

**Chem**

so it would be Q<K so it would shift from left to right

*March 24, 2010*

**Chem**

Which direction will the following reaction in a 5.0 L flask proceed if Qp = 0.013? 2H2O(g) = 2H2(g) + O2(g) Kp = 1.6 x 10-5 Choose one answer. a. to the right because Q > Kp b. to the left because Q > Kp c. to the right because Q < Kp d. to the left because Q < Kp...

*March 24, 2010*

**Chem**

Kc=[HI]^2/[H2][I2] 54=(2x-0.3)^2/[X][X] THEN I GET: 54=4X-0.09/[X]^2 SO SQAURE ROOT IT THEN I GET 7.348*(x-x) =2X-0.3 7.4348X-7.348X=2X-0.3 tHEN i GET STUCK BECAUSE i DONT KNWO IF THE VARIABLES x-x is suppose to be here? because when I calculate my answers dont add up to any ...

*March 23, 2010*

**Chem**

Kc=[HI]^2/[H2][I2] 54=(2x-0.3)^2/[X][X] THEN I GET: 54=4X-0.09/[X]^2 SO SQAURE ROOT IT THEN I GET 7.348*(x-x) =2X-0.3 7.4348X-7.348X=2X-0.3 tHEN i GET STUCK BECAUSE i DONT KNWO IF THE VARIABLES x-x is suppose to be here? because when I calculate my answers dont add up to any ...

*March 23, 2010*

**Chem**

I have a question on this question would I forgo the sqaure root on this on because there is no sqaure except on the products side which is 2HI? I am lost because I set up ICE then got to: 54=(4X-0.09)^2/x*x Kc=[HI]^2/[x][x] At a particular temperature, Kc = 54 for the ...

*March 23, 2010*

**Chem**

I CALCULATED IT OUT TO Q = 1.80*10^3 SO IT WAS A RIGHT SHIFT FORWARD BC Q<K meaning that substances on left react to form substances on the left to reach eq... SO I GOT B as the answer IS THAT CORRECT????

*March 22, 2010*

**Chem**

A mixture is prepared with [CO] = 0.035, [Cl2] = 0.015, and [COCl2] = 0.95. It is known that Kc for the equilibrium is 1.2 x 10-3 at 400OC. Predict what will happen. Choose one answer. a. The reaction is at equilibrium so no net reaction occurs. b. The reaction occurs in the ...

*March 22, 2010*

**Chem**

At a particular temperature, Kc = 54 for the reaction H2(g) + I2 (g) <=> 2 HI(g). One mole of HI is placed in a 3.0-L container. What would be the equilibrium concentration of HI?

*March 22, 2010*

**Chem**

H2 + I2 = 2HI I 1.0/5.0 1.0/5.0 0 C -x -x 2x E 0.2-x 0.2-x 2x 54= [HI]^2/[H2]*[I] 54=2x^2/(0.2-x)(0.2-x) need to solve for x then would I take square root of both sides to get rid of the squares? Then I get stuck at 7.348= 4x/0.2-x I dont know where else to go from here and ...

*March 22, 2010*

**Chem**

At a particular temperature, Kc = 54 for the reaction If 1.0 mole of H2 and 1.0 mole of I2 are placed in a 5.0 L container, what would be the equilibrium concentration of HI?

*March 22, 2010*

**chemistry**

The molarity of urea in a solution prepared by dissolving 16 g of urea (MW 60.0g/mol) in 39 g of H2O is ______M. The density of the solution is 1.3 g/ml.

*March 9, 2010*

**chemistry**

A solution is prepared by dissolving 15.0 g of NH3 in 250.g of water. The density of the resulting solution is 0.974 g/ml. The mole fraction of NH3 in the solution is?

*March 5, 2010*

**Chemistry please help!**

How many ml of 9 M HCl are needed to neutralize 0.500 L of 0.350 M NaOH? Given the reaction CH4+2O2=C02+2H2O

*February 22, 2010*

**math**

if given ..,. y=4x^-4 if x triples what happens to y?

*February 22, 2010*

**math**

if given y=6x^4 if x doubles what happens tp y?

*February 22, 2010*

**college**

its a "hookes law" spring when its stretched

*February 22, 2010*

**6th grade**

why did the romans add volcanos to the fire that vulcan (roman god) can control

*February 18, 2010*

**chemistry **

A colloid is the dividing line between solutions and heterogenous mixtures. What is the exact particle size of a colloid compared to the exact particle size of a solution. A. over 1000nm compared to 0.1-1nm B. 1-1000nm compared to 0.01-1nm C. 0.10-1nm compared to 1-1000nm D. ...

*February 13, 2010*

**Chemistry**

Which of the solutions has the greatest osmotic pressure? Choose one answer. a. 10.0 g glucose in 1.00 L at 298 K b. 10.0 g glucose in 1.00 L at 303 K c. 10.0 g glucose in 0.500 L at 298 K d. 5.0 g glucose in 1.00 L at 298 K

*February 11, 2010*

**Chemistry**

I got it its 950 g

*February 10, 2010*

**Chemistry**

how would I find the mass of something from the molality..... How many grams of water should be added to 25.0 g of NaCl to produce a 0.450 m solution?

*February 10, 2010*

**chemistry **

How many grams of water should be added to 25.0 g of NaCl to produce a 0.450 m solution?

*February 10, 2010*

**Chemistry**

A 6.00 M H2SO4 solution has d = 1.34 g/mL. What is the mass percent of H2SO4 in this solution? Choose one answer. a. 56.1 b. 43.9 c. 37.0 d. 58.8 When we calculated yesterday the answer was not B. 43.9....I got it wrong and dont know why if the math was correct and I followed ...

*February 10, 2010*

**Chemistry**

3.10g/ml *1mole Br/79.0g =0.039 mol/ml 0.039mol/ml * 2.00ml =0.0784 mol 1.05 g/ml * 1mol/60g = 0.0175 mol/ml * 125 ml =2.18 mole I dont know where I am going wrong becaus ethe answers are not same????????

*February 10, 2010*