Wednesday
July 30, 2014

Posts by Sandy


Total # Posts: 636

math
Please help me! f(x)=(x+1)^3-2 1. How do I find the x and y intercepts, if any? 2. Describe the long term behavior of this function. Give the power function that F resembles.

englissh
I Think 16.c (DLL will not directly Communicates with PC's hardware) 17.d 18.c 19.c 20.d plz check it

englissh
I Think 16.c (DLL will not directly Communicates with PC's hardware) 17.d 18.c 19.c 20.d plz check it

chemistry
It would be difficult to separate Francium from ores. Francium is on the bottom left of the periodic table, therefore it loses electrons easily making it very difficult to give it the electrons necessary to separate it from ores

chemistry
#1)hydrochloric acid is a relatively strong acid . imagine that HCl is added to a buffer solution containing the weak acid phosphoric acid and a salt a)will HCl react with weak acid (H3PO4), or will it react with the salt (Na2HPO4)? b)one product of this reaction will be a new...

history
what were some social, political, and economic changes resulting from the hundred years war? And how did the war begin?

theology
if there is 4 of something and it is called: "Quadruple" What is the name given to 13 of something; like 4 babies are called: Quadruplets, what are 13 babies called?

Math
How would you do the inverse of this function: -1/7sqrt(16-x^2)? -I know you switch the x and y and solve for y. I keep on getting a weird answer. Help!

MATH
SIMPLIFY: 2+3x10/5x3-9=???

MATH
18 INCHES

MATH
FIND A PERIMETER OF A TRIANGLE WHERE ONE SIDE IS 2 INCHES, ONE SIDE IS 6 INCHES, ANOTHER SIDE IS 10 INCHES???

MATH
54

MATH
FIND THE AREA OF A TRIANGLE IF THE BASE (b) IS 9 INCHES AND THE HEIGHT (h) IS = 12 INCHES???

MATH
IT ONLY SAYS TO SIMPLIFY

MATH
BUT THERE IS NO PARENTHESES MS.?? I'M STUCK

MATH
2+3x10 DIVIDED BY 5x3-9= ????

Med terms
Dailys= Days

chemistry
which of the following is reduced in the reaction: Cu(NO3)2 + Zn --- Zn(NO3)2 + Cu

chemistry
Consider the reaction, C2H4 (g) + H2 (g)- C2H6 (g) where -137kJ of heat is released. How many kilojoules are released when 55.3g of C2H4 reacts?

science
what scientic evidence would you need to seettle the claim that famines are caused more by human than enviromental

Chemistry
A buffer solution is prepared by dissolving 0.400 mol of CH3COOH and 0.200 mol of CH3COONa in 1.00 L of water. 1.00 mL of 10.0 M HCl is added to a 100 mL portion of this solution. What is the final pH of the resulting solution? Ka of CH3COOH = 1.8 x 10¯5

Business Math
Cassandra is repaying an installment loan of $3,500 with 20 equal monthly payments of $196 each. what is the annual percentage rate of the loan?

Mathematics for business and Finance
The Patel family recently purchased a home, taking out a mortgage of $235,000 at 8 1/2% for 25 years. Excluding taxes and insurance, what is the monthly PITI payment of their loan?

Chemistry
HC2H3O2 + CH3(CH2)4OH (H2SO4)=?

Physical science
how can i calculate the number of: 1.molecules in 30g water.2.atoms in 50 dm^3 nitrogen gas.3.nucleons in 10 cm^3 flourine gas?

Math(Probability)
Let X and Y equal the outcomes when two fair six-sided dice are rolled. Let W = X + Y. Assuming independence, find the p.m.f. of W when (a) The first die has three faces numbered 0 and three faces numbered 2, and the second die has its faces numbered 0, 1, 4, 5, 8, and 9. (b)...

please help` ORGANIC
synthesize olivetol from benzene

science
how do you make 5-Pentyl-1,3-benzenediol from just benzene? 1.Benzene + Br2 +FeBr3-->Benzene-Br??

Physics
15 cm in front

HSM 220 Week 6 Budget Matrix
Yes you are absolutely correct!

Environmental Science
I have been studying for several hours and am having problems with finding the answer to this question. Can anyone help please? Conservationists argue that watershed protection and other ecological functions of forget are more economically valuable than timber. Timber companie...

math/algebra
please show me the mathimatical equation so I can set this up properly: The area of a rectangular patio is 54 sq ft. Find the length and width of the patio (Hint: A=lw)

physics
if you have an element that starts out at 40g and has a half-life of 10 days, you keep it for 30 days- how much doe you end up with? .

AP Calculus
integrate |sint(t^2)| dt with 0<t<3

math
A gun is fired from a bunker of 2m deep with an initial velocity of 500m/s at an angle of pi/6 a) Find the parametric equations of the position of the projectile b) Find the range of the projectile to the nearest meter. c) Find the maximum height of the projectile to the near...

statistics
A 99% confidence interval for population variance is being formulated based on a sample of 16 observations. What are appropriate values for X^2

Maths - check please
if boston is 14 feet above sea level and the ice cap is 680,000 cubic miles of water what impact would boston have?

AP Calculus
An object moves along the x-axis with a velocity of v(t) = sin(pi/3)t for time t greater than or equal to 0. What is the total distance traveled by the object over the time interval 0 less than or equal to t less than or equal to 4?

Geometry
The vertices of ∆GHJ are G(-2,3), and J(1,3). If ∆KLM ≅ ∆GHJ, fing LM.

geometry
what is true about the slopes of two perpendicular lines niether of which is vertical?

geometry
If a triangle side lengths of 12 cm, 35 cm, and 37 cm, what type of angle is it?

Bio Medical Science
What are the differences and similarities of the social structure and family values of persons from Bosnia and persons from Poland?

Social Studies
What are the differences and similarities of the social structure and family values of persons from Bosnia and persons from Poland?

physical science
A student is traveling in a car with a constant velocity has a kinetic energy 1.0 x 10^4 J. What is the speedometer reading of the car in km/h.

trig
From two points each on the opposite sides of a river,the angles of elevations of the top of an 80ft. tree are 60 degree & 30 degree.the points & the tree are in the same straight line,which is perpendicular to the river.how wide is the river?

poetry
whats the meaning of the poem SOMEWHERE TO PARIS BY RICHARD BLANCO?

AP Calculus
Suppose that f(0) = 4 and f'(x)< or equal to 2 for x>0. Apply the MVT to the interval [0 , 3] to prove that f(3) < or equal to 10

AP Calculus
Determine the critical numbers for y=sq root of (x^2 - 2x -15)

AP Calculus
Locate the absolute extrema for f(x) = 3/x-1

AP Calculus
Determine whether Rolle's Theorem is valid f(x) = 3 - |x - 2| for [-1, 5] if so, find c. if not, tell why.

math
The masses of newborn children are normally distributed with a mean of 3.4 kg and a standard deviation of 0.8 kg. A newborn is at risk if the baby'd mass falls in the lowest 4%. These babies have a mass of less than ____?

math
A bag contains 3 red, 5 black and 5 blue marbles. Four marbles are selected at random without replacement: - the probability that all 4 are black? -the probability that exactly two are blue and none are red?

PHYSICS
WHAT IS MAGNITUDE OF NORMAL FORCE IN FIGURE WITH V=+3M/S +10n INSIDE BOX IS 5KG

PHYSICS
WHAT IS MAGNITUDE OF NORMAL FORCE IN FIGURE WITH V=+3M/S +10n INSIDE BOX IS 5KG

Finance
Blue Moon Corporation has one million shares of common stock outstanding. In a typical annual election for the board of directors, shareholders representing 70 percent of the shares outstanding exercise their right to vote. The company has nine members on it board of directors...

Finance
The following stock quotation were recently reported in The Wall Street Journal: 10.3 AT&T T 3.6 21 39.43 0.26 0.1 Boeing BA 1.6 31 88.91 -0.85 -8.7 JohnsJohns JNJ 2.5 16 60.26 -0.08 a. What are the dividend yields on the common stock of AT&T Boeing, and Johnson & Johnson? b. ...

Finance
Hooks Athletics, Inc., has outstanding a preferred stock with a par value of $30 that pays a dividend of $2.50. The preferred stock is redeemable at the option of the stockholder in 10 years at a price equal to $30. The stock may be called for redemption by the company in 15 y...

Finance
Determine the value of a share of DuPont Series A $4.50 cumulative preferred stock, no par, to an investor who requies a 9 percent rate of return on this security. The issue is callable at $120 per share plus accrued dividens. However, the issue is not expected to be called at...

calculus
A particle moves along a horizontal line such that its position s(t) = (t^2e^3t/3)for time t. Find when the particle is at rest.

Finance
What factors limit the use of the fixed-asset turnover ratio in comparative analyses?

Finance
What problems may be indicated by an inventory turnover ratio that is substantially above or below the industry average?

Finance
What problems may be indicated by an average collection period that is substantially above or below the industry average?

Finance
what is the major limitation of the current ratio as a measure of a firm's liquidity? How may this limitation be overcome?

AP Calculus
If the linearization of y= cube root of x at x=64 is used to approximate cube root of 66, what is the percentage error? a) .01% b).04% c).4% d)1% e)4%

chem
For number 2 you just have to make a graph of ln(t) in your x axis and 1-T as your y-axis where the T is temperature in Kelvins. You could get a "linear" equation from the graph (y=mx+b) so you take teh M and set it eqaul to (Ea)/R....and R is 8.314jouls/mole.K and s...

7th grade
Sandy works at a clothing store. She makes $8 per hour plus earns 10% commission on her sales. She worked 74 hours over the last two weeks and had a total of $1,580 in sales before taxes.

Chemistry
what is the outer energy level for beryllium?

Chemistry
how does the outer energy level relate to the ionization energy?

Chemistry
How does the outer energy level(period)relate to the atomic radius?

math
Sorry guys, new to this and just realized i posted in the wrong place :(

math
My son is doing expanded algorithm and the problem is 23 x17 the problem is there are cubes underneath the problem for him to fill in but ive tried every way I can think of to solve this problem and the answer just doesnt fit into these cubes, any suggestion?

Physics
.1

Science :)
A football is kicked from the ground at 27 m/s at an angle of 42 degrees above the horizontal (ground). No one gets in the way until after it hits the ground. Use the value g=9.8 m/s^2. Assuming that the ground is level and that there is negligible air resistance, wind, etc. a...

Physics
A football is kicked from the ground at 27 m/s at an angle of 42 degrees above the horizontal (ground). No one gets in the way until after it hits the ground. Use the value g=9.8 m/s^2. Assuming that the ground is level and that there is negligible air resistance, wind, etc. a...

Physics
A football is kicked from the ground at 27 m/s at an angle of 42 degrees above the horizontal (ground). No one gets in the way until after it hits the ground. Use the value g=9.8 m/s^2. Assuming that the ground is level and that there is negligible air resistance, wind, etc. a...

physics
4. An ice skater pulls three small children, one behind the other, with masses 25kg, 31 kg and 35kg. Assume that the ice is smooth enough to be considered frictionless, determine: a) the total force applied to the train of children if they reach a speed of 3.5m/s from rest in ...

calculus
Evaluate the limit lim sin4x/tan9x x-> 0

calculus
Let f(x)=4cos^5x. Find f'(x)

calculus
If f(x)=(x^2+3x+2)^3, find f'(x).

calculas
the answer is not correct. I input f'= 1/2 (7t^-5)^-1/2 * (-5*7t^-6)and its incorrect. Did I input the wrong answer?

calculas
If f(t) = square root of 7/t^5. Find f'(x) and f'(2)

calculas
i did however my answer is still wrong. can you show me step by step. this way i can see what i am doing wrong. thank you

calculas
If a ball is thrown vertically upward from the roof of 48 foot building with a velocity of 80 ft/sec, its height after t seconds is s(t)=48+80t–16t2. What is the maximum height the ball reaches? (my answer is 148). What is the velocity of the ball when it hits the ground ...

math
thank you

algebra
33x+38x=284 71x=284 71x/71=284/71 x=284/71 x=4

Finance
Your best taxable investment opportunity has an EAR of 4%. You best tax free investment opportunity has an EAR of 3%. If your tax rate is 30%, which opportunity provides the higher after tax interest rate?

MEDICAL BILLING/CODING
DO ANYONE HAVE THE LAYOUT FOR INTERPERSONAL COMMUNICATION GRADED PROJECT I AM STUCK NEED IDEAS

Social Studies
1-a,2-d,3-b,4-c,5-e

english
Please correct the following sentence for a daily oral language question: we will see a play called cinderella on tuesday I do not agree with how it was graded.

chem
Determine whether a solid forms when solution containing the following salts are mixed. If so, write the ionic equation and the net ionic equation. a) NA3PO4 and AgNO3 B) K2SO4 and K2S c) Pb(NO3)2 and Na2CO3 D) BaCl2 and KOH Share: by email on facebook on twitter

Physics
Two rocks are thrown off the edge of a cliff that is 15.0 m above the ground. The first rock is thrown upward, at a velocity of +12.0 m/s. The second is thrown downward, at a velocity of −12.0 m/s. Ignore air resistance. Determine (a) how long it takes the first rock to ...

algebra2
How to put this in a quadratic equation ax squared + bx + c = 0

Calculus
The population of fish in a lake before mating season is F. During the mating season, the population grows by 30% and the new population is N. Write an expression for N is terms of F.

algebra
2x-5(X+3)> -20

algebra
2x-5(x=3)>-20

Biology
When the electron moves back to lower energy levels in an electron transport chain, energy is a) stored or b) released c)converted to matter d)used to make O2 I'm not sure how to answer this cause isn't it stored as potential energy of H20 and just before the electron ...

chemistry
Compare the chemical composition of methane and ethanol to carbon dioxide. Which one can be said to be the complete oxidation of glucose? I thought is was methane but I got it wrong can you explain please.

psychology
Sexually active undergraduate women who do not consistently use contraceptives see themselves as less vulnerable to unwanted pregnancy than do other undergraduate women.This best illustrates A: the tyranny of choice B: emotion-focused coping C: the Type A personality D; unreal...

psychology
Watching the news on TV Mr.Velazco sees pictures of starving children in Africa.That morning he had read about the problem of world hunger.The TV images had a greater impact on him because of: A: belief perserverance B: emotional intelligence C:confirmation bias D: the availab...

math
solve for unknown: log9 r=3/2 logG 2=1/3 Can you show me the steps how to solve this problems.Thank yo very much for your time

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