Saturday
July 26, 2014

Posts by Nancy


Total # Posts: 645

Calc.
ok, i know what it is had forgotten we use that but its in my notes thanks!!!!

Calc.
find the derivative of 3x^4-5x+3/x^4+1 i know that the derivative of the numeratoor would be 12x^3-5 but i'm not sure if its right since it has a denominator i Know i need to do something to it but not sure if to simplify.

Calculus
A fully plane has a constant acceleration while moving down a runaway. the plane requires .7 mile of runaway and a speed of 160 miles per hour in order to lift off. what is the planes accelearation? i need the formula cause the one i have doesnt work cause i need time

biology
I have the same question and do not understand it, well i do. Just need help to set it up. Well the punnett square

Physics
Please reply soon!

Physics
If we take a point of reference that is a certain distance away from where the force is applied and the force is acting on the same axis as the distance axis i.e. the force vector and the distance vector are on the same axis, only in opposite directions, would the torque of th...

social studies
if the issue is whether a person is civil rights were violated in court desicion through what levels of courts might that person appeal?

Anatomy & Physiology
Excercising muscle will receive more oxygen from hemoglobin than will relaxed muscle because: a)it's PO2 is low b)it's PCO2 is high c)both a and b d)both a and b and its temp is higher than usual

Anatomy & Physiology
In the fetus, the organ that is important for the normal development of the immune system is the? liver? spleen? thymus gland? lymph node?

Chemistry
How many moles of ions are released when these samples are dissolved in water? a. 0.37 mol of NH4Cl b. 3.55 * 10^18 formula units of Ba(OH)2 * 8H2O I need to know what steps to take to get to the answer. Thanks!

chemistry
i need help to make a data for my project but i don't know how close can a magnet be from the staples after it will pick up the objects but i don't know how to put in a data

college
what would be a good exsample of ecological from the RIMs?

Physics
How does the drag force on an object change if the object's area is halved while the wind speed is doubled, while keeping everything else the same? i think it would double if you use this eqn: f= 1/4 A v^2 can someone verify if this eqn is correct to use in this problem?

physics
An object slides down a inclined surface in the presence of kinetic friction forces. At the given inclination the kinetic friction force is found to be of magnitude 90 N. Now, the angle that the surface makes with respect to the horizontal is increased and the object continues...

physics
Thank you. I just wanted to confirm that this was the right way to do the question. Just another clarification. In the FBD for this question, would the kinetic friction force be in the positive horizontal direction i.e. in the direction the rider was moving before he braked?

physics
A bicycle and rider of total weight 815 N travel at a speed of 40.0 km/h. The rider hits the breaks and the bicycle slides to a full stop in a distance of 8.5 m. Ignore air resistance and use g=9.8 m/s2. What is the coefficient of kinetic friction between the tires (rubber) an...

Angles -- Math?
if there is a hill at an incline of 50 degrees from the horizontal..is it true that at any point on that hill a horizontal "cut" would make an angle of 50 degrees?

math
Find the missing numbers and landmarks for the set of numbers 48,50,51,51,57,59,60,63,69,_,76,_ Range Mode: 76 Minimum: Maxium: 76

math
what is 30 percent of $82,000.00

geography
what r the five themes of geography for moscow, russia

physics
A fly lands on one wall of a room. The lower left-hand corner of the wall is selected as the origin of a two-dimensional Cartesian coordinate system. The fly is located at the point having coordinates (1.80, 1.15) m. (a) How far is it from the corner of the room?

math prime factorization
3x3x5

math
compare the 2 numbers 1,945____ 1,936

rounding
2767 if the number is 2767 then how do u round it to the nearest tenth

Math
thanks bob :)

Math
there are 2 pts in a qt right?

Math
You can buy three bottles of dishwashing liquid, each containing 1 pt 5 fl oz, on sale for $2.30. Let say for the same price you can buy a large container holding 2 qt. Which is the better buy?

math
write the equation for a line in point-slope form and in slope-intercept form. parallel to 3x-4y=12 and passes through (8,3).

MATH
I HAVE A GARDEN THE WIDTH OF MY GARDEN IS 8FT LONGER THAN THE LENGHT OF IT ARUOUND THE GARDEN I HAVE A 4 FEET WIDE SIDEWALK. THE AREA OF THE SIDEWALK IS ABOUT 320 FEET SQUARE, WHAT ARE THE DIMENSIONS OF MY GARDEN

biology
which organ system contains the stomach

8th Grade Algebra
How come x^4/3 is a ploynomial, but 3/x^4 isn't?

biology
1. A population which meets the hardy- weinberg requirements: a. Evolves b. is small and usually isolated c. has allele frequency in equilibrium d. changes genotypic distribution from generation to generation e. always has 75% A and 25% a allele frequencies 2. In a hypothetica...

Algebra
The population of Australia in x years after 1980 can be modeled by the function y=14.6*(1.014)^x. Estimate the population of Australia for each year. a) 1976 b) 1980 c) 1972 I am not sure of what to do. Help Please ?

8th Algebra
What are some real-life examples of exponential growth and decay?

Chemistry
when benzoic acid and quinine is dissolved to dichlromethane and 2M NaOh, what is the organic layer being formed? (i have sodium benzoate as aqueous layer of the product. is this right?)

chemistry-organic
what happens when sodium benzoate is added to dichloromethane? what is the organic and aqueous layer of this product?

chemistry
1)when benzoic acid and quinine is dissolved in CH2Cl2 and added 2M NaOH, what is the organic layer and what is the aqueous layer? a)and by adding another 2M NaoH to the organic layer, what is the new aqueous layer and organic layer? b)from (1), if we add CH2Cl2 to the aqueous...

Chemistry
i have to separate benzoic acid from a mixture with quinine. so benzoic acid and quinine are qissolved in Ch2Cl2. i think the question is asking wether there's any other chemical forms in the mixture apart from the neutral forms for benzoic acid and quinine, but i am reall...

Chemistry
what are the other chemistry forms present in the dichloromethane solution besides the normal neutral forms for benzoic acid and quinine? (benzoic acid,pKa 4.2; quinnie, pKa 8.5)

8th Grade Algebra
1) A firefighter aims a hose at a window 25 ft. above the ground. The equation h = -0.01d^2 + 1.06d + 5 models the path of the water, when h equals height in feet. Estimate, to the nearest foot, the horizontal distance d in feet btween the firefighter and the building. This pr...

Algebra 1- 8th Grade
If I were to write down: "When you find the median between the two intercepts, it is the x-intercept of the vertex." do you think that's a true relationship still ?

Algebra 1- 8th Grade
What is the relationship between the x-intercepts of a parabola and its vertex's x-coordinate?

math
Mr. Mitchells office is on a winding side road next to a highway exit.He is driving on the highway at 60mph, and at this rate he expected to arrive at his office at 8:45a.m.However at 8:30 he was forced to leave the highway and take the side road, driving at a steady speed of ...

Social Studies: Roman Emperors
What is the life summary of the Roman emperor, Elagabalus ?

Algebra
1) Two cars leave town at the same time going in opposite directions. One travels 44 mi/h and the other travels 55 mi/h. In how many hours will they be 297 miles apart? 2) Two cars leave town at the same time going the same direction on the same road. One travels 32 mi/h and t...

4th grade math
21

biology
an animal has a segmented body, soft fleshy skin, an open circulatory system, it breaths with tiny tubes and openings, and does not have legs or antennae. How would this organism need to change to become an arthropod?

10th grade English
Persuasive writing. How to write a persuasive paragraph about women choosing their own destiny to a person of the jewish faith

math
Y = 3/8- ((-3/64)x) this is the variable expression. just make y= 1/16 to find the number of years. plug 1,2,3 into x to find the amount of tread left after each year.

Chemisty
thank you very much

Chemisty
If ten drops of 0.3 M HCl are mixed with ten drops of 0.3 M Na2S2O3, what will be the concentration of each chemical in the mixture? Please help, i am pretty sure that the concentration should be 0.3 M but i am not sure if i am supposed to do somthing with the ten drops. Thank...

Gr.11 Math
A large company has a phone tree to contact its employees in case of an emergency factory shutdown. Each of the five senior managers calls three eployees, who calls three other employees and so on. If the tree consists of seven levels, how many employees does the company have?...

French
what is a sentence i can use using the word avoir. give a comande

Life Science
Where does photosynthesis occur in a plant cell?

General
May I suggest you try MS Office online and check out the information there for Office 2007.

spanish
Presta atencion a la senora y no olvide las letras mayusculas cuando conmienza una oracion y use nombres propios.

pre-algerbra
write an algebraic expression for each of the quantities being comared. The attndance on tuesday was 350 more than double the attendance on monday

5th Grade student teacher: Needs ur help....
Ben's Guide - Google this and you will get lots of grade appropriate

Physics
How many times will the incident beam shown in Figure P25.3 (x = 1.90 m, y = 1.30 m) be reflected by each of the parallel mirrors? mirror on the right

4th grade math
Always perform the operations in () parentheses first.

3rd grade
Just as Bailey said. Notice that this is the longgggg e sound for the vowels ee and ea. You then need to think of ending consonants. I bet you have examples in your student activity book. Look back at your recnet classwork.

english
Are the words "encyclopedia", "habitat", and "reefs" count or noncount nouns?

English
The first question: both are correct The second question: huh? The third question: all are correct

math
#1: correct #2: correct #3: im not sure but i think its incorrect #4: incorrect #5: correct

chem
i am trying to find the minimum volume of hot water needed to dissolve 100 mg of salicylic acid. when i did the calculations i got 100 ml of hot water is this correct?? The data is [temp] [amount of salicylic acid per 100 ml water, g] 0 0.10 10 0.13 25 0.23 50 0.63 75 1.8 90 3.7

chem
i am trying to find the minimum volume of hot water needed to dissolve 100 mg of salicylic acid. when i did the calculations i got 100 ml of hot water is this correct?? The data is [temp] [amount of salicylic acid per 100 ml water, g] 0 0.10 10 0.13 25 0.23 50 0.63 75 1.8 90 3.7

8th grade
Does different orange juice have different vitamin c

law
confidentiality of health information final examination. examination 40902600

English
illegal drugs

12th grade Science
A bud covers the bloom but when it erupts it holds up the flower from underneath find the name it’s divided into together and alone? -thanks-

algebra
6/3+ radical 5=

college Western Civ. answer
well the tigris and euphrates are in mesopotamia which today is known as iraq and syria and the valley of the nile in egypt, mesopotamia and egypt influenced early civilizations in western asia and northern africa among them were the hittites and the syro- plaestinian city sta...

college Western Civ. answer
Thank you for your help =)

college Western Civ. answer
That the tigris amd euphrates are in mesopotamia and the nile river is in egypt

college western civ.
opps sorry. south west asia- tirist euphraties north africa- nile river valley indus valley yellow river valley what do they all have in common? how do you know? thanks

college western civ.
SOUTH WEST ASIA- TIRIST EUPHROTIES NORTH AFRICA- NILE RIVER VALLEY INDUS VALLEY YELLOW RIVER VALLEY WHAT DO THEY ALL HAVE IN COMMON? AND HOW DO YOU KNOW?

Chemistry 3A
calculate the mass in grams : 4.57 x 10^20 H2O2 molecules

literary
How do I diagram: The awful witch flew in front of the moon.

sociology
any get an idea or web site pls! discussion between social class and health inequalities. the relationship between the two of them.

sociology
1. how does Marx defines class and what problem does he have? 2. explanation for health differences

sociology
1. discussion of marx, how does marx defines class and what problem does he have. 2. discussion between social class and health inequalities.

sociology
essay on stratification; analylse the relationship between social class and healh inequalities.

Math
nope that's what the question is on the paper....

Math
How many solutions does a consistent and dependent system of linear equations have?

Math
What is the volume of a sphere with a radius of 5 cm?

math
what is the eligibility for an undergraduate course in psychology? shud i have read biology in my higher-secondary school?

Math
Please help Dividing Real Numbers 16 / (-2) * (-4) / 2 3power + 4 4 – (-3) +1 / 2 –2 / (-2) Multiplying Real Numbers (-3)(-6) + (4) (-2) (-3)3power – (-8)(-2) (-6)2power - 4 2power -9 2power - (-6)2power

english
need to find a word with the letters "LTSEGRGU"

Science
Which way do electrons flow when a copper strip is placed in a Zn2+ solution: from the copper to zinc ions or from the zinc ions to the copper?

Science
Why is the formation of iron hydroxide, Fe(OH)2, from Fe2+ and OH- not considered an oxidation-reduction reaction?

Science
Hydrogen chloride is added to a buffer solution of ammonia, NH3, and ammonium chloride, NH4Cl. What is the effect on the concentration of ammonia? On the concentration of ammonium chloride?

Science
Why do lakes lying in granite basins tend to become acidified by acid rain more readily than lakes lying in limestone basins?

Science
How might you determine whether or not your toothpaste contains calcium carbonate, CaCO3, or perhaps baking soda, NaHCO3, without looking at the ingredients label?

Physics
A daredevil plans to bungee jump from a balloon 64.0 m above a carnival midway. He will use a uniform elastic cord, tied to a harness around his body, to stop his fall at a point 10.0 m above the ground. Model his body as a particle and the cord as having negligible mass and o...

American History
When did the United States own all the lands from Atlantic Ocean to Pacific Ocean?

american history
When did the United States own all the lands from Atlantic Ocean to Pacific Ocean?

Download please?
I need child abuse and school violence specifically.

Download please?
Can anyone please download the prep guide for the nystce exam for me? My computer isn't compatible and I need it a.s.a.p. Thanks in advance.

Physics
Whenever two Apollo astronauts were on the surface of the Moon, a third astronaut orbited the Moon. Assume the orbit to be circular and 400 km above the surface of the Moon. At this altitude, the free-fall acceleration is 1.11 m/s2. The radius of the Moon is 1.70 106 m. (a) De...

Chemistry
Can someone check to see if my answers look ok. For the following crystals, explain how their melting points are related to the bonding forces and the crystal structure: a)Copper,Cu Copper has metallic bonds between atoms. It can occur as isometric cubic and octahedral crystal...

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