Thursday
July 31, 2014

Posts by Jessica


Total # Posts: 2,604

medicine
The dermatologist is having you prepare a dog for a skin allergy test. Forty antigens need to be tested and each antigen must be 1 cm from the next. What size patch should you shave on the dog (assume that you are shaving a square)

algebra)
8 divided by 8 =1

algebra)
8 divided by 8 =1

social studies
what does bias mean?

physics
A .15kg ball is dropped from a height of 14 m to the ground below, and hits the ground with a speed of 12 m/s. With what speed would the ball have hit the ground if there were no air resistance? How much work does the air resistance do on the ball?

math
Put in simplest form: 16x^7y^12-10X^5y^8/2x^2y^9

Chemistry
Use de Broglie's relationship to determine the wavelength of carbon atom moving at 2.3 x 10^5 m/s.(Hint: First determine the mass in kg of one move of carbon atoms)

biology
k so the answer would b 22 degrees????

biology
the index of refraction of h2o is 1.33. find the angle of refraction of a beam of light in air hitting the h2o surface at an angle of 60 degrees n(air)=1.00

Organic Chemistry
Design a flowchart for the separation of a mixture that contains toluic acid, p-bromo-aniline, and anthracene. Whenever a reaction occurs, write the reaction completely.

Math
To find the x-intercept, let y=0 and solve for x. Therefore, 0=2x-1 ---> x=1/2 To find the y-intercept, let x=0 instead. y=2(0)-1 ---> y=-1 From here, you plot the points (1/2,0) and (0,-1) on the graph.

Chemistry
12545

read and write
Meaning: Without emotion; in a stoic manner

MATH
sorry for all the dots they werent nessary but thats how it shows in my math book

MATH
1 6x+7=25;3 2 22-5c=8;3 3 b\4-7=1;36 4 7a+4_>20;2.7 ps. the arrow is suppose to be on top of the line. 5 4y-3.12;4 6 m\3+14<33;9 I NEED THE ANSWERS PLEASE CAN ANYBODY HELP ME FAST .

math
thats my cousin keila and we both in 9th grade and need help but me and her have diffrent questions ?

MATH
huh?

math
the sum of 7 and three a number b is at least 12 ?

college chemistry
Please identify the net ionic equation for Na3PO4 +ZnSO4=Zn3(PO4)2+ Na2SO4

medicine
A cat with a gastrotomy tube must receive 300 kcal daily. A 15 oz can of food has 1500 kcal. The food must be diluted with water 50:50 so that it is thin enough to fit through the tube. A maximum amount of 45 ml can be given at each feeding. How many feedings does the cat need...

medicine
50 ml of a solution of 50% dextrose is added to a liter of 0.45% NaCl with 2.5% dextrose to yield a solution with a final dextrose concentration of what percent

Critical Reading
metaphore for obstacles

geometry
if ef=2x-19, fg=3x-16, and eg=25, find the values of x, EF, and FG

math
in music what does allegro mean?

algebra
Can you please explain how to solve this? How far an airplane would fly in 3h if its speed is 800km/h

Calculus
Determine how much time, to the nearest tenth of a year, is required for an investment to triple in value if interest is earned at the rate of 3.5% compounded continuously. (use A=Pe^rt

medicine
A 8 lb rabbit needs 300ug/kg of a 1% solution. How many ml should be given

medicine
A small bird needs 100mg/kg of antibiotic IM. The bird weighs 80g and the concentration of antibiotic is 100mg/ml. How many ml need to be given

medicine
The concentration of Lasix is 5%. How many milligrams are in 0.5ml?

medicine
A cat on IV fluids must receive 30ml/hr of saline. The drip set provides 60gtt/ml. How many gtt/sec should the drip be?

medicine
I don't know it never said in the problem.

medicine
How many ml of 50% dextrose should be added to 1 L of 0.9% NaCl to make a 5% dextrose solution?

math
How many ml of 50% dextrose should be added to 1 L of 0.9% NaCl to make a 5% dextrose solution?

Math
How many ml of 50% dextrose should be added to 1 L of 0.9% NaCl to make a 5% dextrose solution?

Algebra 2
Can you help me set these up? 1.When 0.5cm was planed off each of the six faces of a wooden cube, its volume decreased by 169cm^3. Find its new volume. 2. The width, length, and diagonal of a rectangle are consecutive even integers. Find the integers

Algebra 2
The hypotenuse of a right triangle is 25m long. The length of one leg is 10m less than twice the other. Find the length of each leg. Can you tell me how to set this up? I can do the math from there.

Algebra 2
how do i factor: (p+q)^3 - (p-q)^3

we the people
For my homework i was given this: find an example when each of the 3 branches of the national government has checked one of the other 2. i cant find anything on the internet

Geometry
211

algebra
(2-x)/(2x+6)+ x/(x^2-9) Can some one please help solve this one because I stuck? I don't know how to sole this, so please somebody help!!

8th grade Math
how do you convert .833333333333....... into a fraction

Economics
The role of an assumption in an economic theory is to: a. add realism b. prove the theory c. cover special cases d. simplify the theory

algebra
on one day the value of $1.00 was equal to 0.77 euro or $1.24 Canadian. Write a function to represent the value of Canadian dollars in euros. What is the value of th efunctoin for an input of 5 rounded to the nearest cent, and what does it represent

Algebra II/ Pre Calc
ln(12+x)= It is not (ln 12)(ln x) or (ln12x)

algebra
(a minus sqrtx)^2=25 I have no idea of how to work this problem where i in up with the answers of a=7,-3. Basiclly I just gave it a guess. Could someone show the steps I need to take. Thanks.

algebra
1/x^2+5/x=4 Can someone please help me with this problem by showing the steps that I would have to do to get the answer? I have no idea how to do this. Please help somebody.

algebra
(5/x)+1=9-x

algebra
I don't understand how to do this, so please help. Could you show the steps , so I can try it own my ow to see if I can get it.Thank you. 2SQRT4t^9z^2.

algebra homework
2sqrt x+1-1=6-x I really need some help because I am so lost,so can someone please help me?

Geometry
Suppose B is the midpoint of AC. AB = 5x and BC = 3x + 4. Find AB.

Algebra 2
A photocopying machine purchased new for $4500 loses $900 in value a each year. a. Find the book value of the machine after 18 months. b. When will the book value be $1200? Assume that each situation can be decribed as a linear equation HELP!!! I don't know how to set this...

History
what commercial arrangements did american shippers and traders want after the war had ended?why did they feel that this was needed, & how successful were they in accomplishing thier aims?

Algebra 2
Let f(x)=x^2 - 1 and g(x)=1 - 2x. Find the indicated values. 1. g(1/f(3)) 2. f(x + h) - f(x) all over h

math
x/3+2=x/6 In solving this problem do I divide 3 from both sides are what. I am a bit lost. please show me the steps so I can see if I am right or wrong in my calculations. Thanks you in advance.

math
2+5=7 and 9-5=4 in order to do this mentaly you take the 4 and out a one in front of it. Can u do it from there?

Alg 2
Yes but 2•3 does not equal 8 it equals 6

Alg 2
Complete the equation for te function picturEd in each mapping diagram. The domain is 1,2,3,4 and the range is 2,4,8,16. The equation is a number times X what's the equation. The book says that the answer is 2x but I don't know how they got that. Please help me anyone!...

math
Israel. Dead March

math
A certain medicine is given in an amount proportional to a patient’s body weight. Suppose that a patient weighing 100 pounds requires 125 milligrams of medicine. What is the weight of a patient who requires 200 milligrams of this medicine? I am totally lost on how to work...

math
How much more money would I have if I invested $14,000.00 for 8 years at 6.4% in an account that compounded annually rather than in an account that just earned simple interest? Why is this?

math
why it is not possible for a right triangle to have the following three sides: 12 feet, 18 feet, and 14 feet. I need help because I am confuse. Thanks in advance.

Algebra 2
HELP!!! 1. Having a x-intercept of -4 and parallel to the y-axis. How do i write this equation in standard form?

The elements and Principles of Design
These were all wrong and I just took the test the only correct ones were #2,3,14,18 I made a 25% Thanks A Lot

home inspection
The most logical answer is probably D, because A and B are ridiculous and C could be an answer to the situation in life. But the books answer is most likely D.

Algebra 2
how do i do these problems???? Graph each pair of equations in the same coordinate plane. Find the coordinates of the point where the graphs intersect. Then show by substitution that the coordinate satisfy both equations. 1. 2x + 5=0 2x + y=8 Graph each equation 2. y=|x| HELP!...

Algebra 2
Is this right? k(2) + 2 = -k(2) + 2 4k = 0 k = 0

Algebra 2
Find the value of K so that the point P lies on the line L. 1. P(2,1), L: 3x + Ky = 8 2. P(2,2), L: Kx + (K + 1)y = 2 Help me i have no idea how to do this! :[

uno
You decide to borrow $200,000 to build a new house. The bank charges an interest rate of 6% compounded monthly. If you pay the loan back over 30 years, what will your monthly payment be [rounded to the nearest dollar]?

Math
A cubic model of the yearly worldwide carbon emissions is W=-0.051x3 + 2.93x2 + 74.6x + 1589 where W is the weight of the emissions in millions of tons and x is the number of years since 1950. Use synthetic division to evaluate the model for the year 1960.

Bus 219
thank you so much that really helped me out a lot. I understand it much better now.

Bus 219
CheckPoint: The Information Systems Department „FƒnReview Ch. 2 in the text. „FƒnSelect two organizational departments in a business. „FƒnWrite a paragraph of at least 200 words in which you identify the roles of information systems within those d...

Bus 219
Write a paragraph of at least 200 words in which you identify the roles of information systems within those departments. does this mean transaction processing system and other things along this line or something else? I am so confused any help will be great thank you.

College Alegbra
(b-1/a)/(b^2+2/a^2 )

Algebra
Magazine sales. Henry sold 120 magazine subscriptions in x days. a) Write a rational expression for the rate at which he sold the subscriptions. b) Suppose that he continues to sell at the same rate for 5 more days. Write a rational expression for the number of magazines sold ...

Algebra
Thank you for your help

Algebra
I have this math probelm z-(3z)/(2-z)=(6)/(z-2) in my book it says to solve the equation. I have worked this problem many times and I keep comming up with different answers. When I use an online calculator to check my work it is giving me an answer of z=-3 I have not gotten th...

Algebra
first identify your a,b and c.don't forget the signs.then simply substitute in the formula which is; x=-b plus or minus square root of b^2 - 4ac,everything over 2a.btw the root is for everthing execpt the -b and 2a

College Alegbra
Find the sum of the infinite geometric series given by ∑_(k=1)^∞▒〖(2/9)^k.〗

College Alegbra
15. Write the 5th term of (3x + 2y)7.

College Alegbra
Write the binomial expansion of (x^2+2/x)^5.

College Alegbra
Prove by mathematical induction: ∑_(i=1)^n▒〖3^i=3(3^n-1)/2〗

College Alegbra
13. Write the binomial expansion of (2a – 3b)4.

algebra
Solve. Type an integer or simplified fraction for: -7x -22 = -26 2/3

College Algebra
for what real number k does 3x^2-k factor as 3(x-2)(x+2)

Algebra
That is one of the problems that I had, The comma is there in the book, I've tried asking my teacher but he has not responded.If I find out I will let you know thanks so much for your help.

Algebra
x^3+2x^2-5x-6, x+3 I need help factoring this problem The answer that I got was x^3+2x^2-11x+3

Physics
I'm working on a final physics exam, and I've got everything but these two that I'm stuck on. Any help would be appreciated, and explanations too (: --A------B---(----F---- A and B are both pointing up. 1. ^ In that diagram, the image of object A would be A) real, ...

US corp tax
Summarize the administrative powers of the Internal Revenue Service (IRS), including the examination of tax records, the assessment and demand process, and collection procedures. This paper should be approximately three (3) pages in length.

Alegbra
Find the sum of the infinite geometric series given by ∑_(k=1)^∞〖(2/9)^k〗

Us history
what is predestination and how did it affect New England

medical terminology
when are abbreviations acceptable? Who should use them and why?

Alegbra
14. (a) Use a graphing utility to find the exponential regression function for the follow data: {(23.5, 16), (26.7, 48), (28.0, 155), (29.5, 571), (29.9, 896)} (b) Use the function in (a) to predict (to the nearest whole number) the y-value associated with x = 30.8.

Alegbra
11. What, to the nearest tenth, will an earthquake measure on the Richter scale if it has an intensity of I = 43, 512,000 I 0?

Alegbra
14. (a) Use a graphing utility to find the exponential regression function for the follow data: {(23.5, 16), (26.7, 48), (28.0, 155), (29.5, 571), (29.9, 896)}

Alegbra
12. A city whose population was 39,350 in 1995 contained 46,750 people in 2000. (a) Find the exponential growth function for the city. Let t = 0 represent the year 1995. (b) Use the growth function to predict the population of the city in 2009. Round your answer to the nearest...

philosophy
From the knowledge I've gathered in my Penn F book, the answer is Appetite

Alegbra
Pseudoephedrine hydrochloride is an allergy medication. The polynomial L(t) = 0.03t4 + 0.4t3 – 7.3t2 + 23.1t, where 0 <= t <= 5, models the level of pseudoephedrine hydrochloride, in milligrams, in the bloodstream of a patient t hours after 30 milligrams of the medi...

Math /Equations
I am supposed to round 26 to the hundredth place however there this number is the tens place so I rounded it down to 0. Not sure if that's right?? thanks

Math /Equations
Hi. I need to find the distance between the two points and then round the answer to the nearest hundredth. (8,4) and (18, 28). Thank you so much.

MATH/ EQUATIONS
ok, thank you so very much!

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