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Posts by Hanna

Total # Posts: 184

calc
If f is the focal length of a convex lens and an object is placed at a distance p from the lens, then its image will be at a distance q from the lens, where f, p, and q are related by the lens equation 1f=1p+1q What is the rate of change of p with respect to q if q=4 and f=2...

Maths
Harry is 33 years older than his son, Ben. in 4 years Harry will be twice as old as Ben. How old is Ben? What I have so far: NOW B=Ben's age B+33=Harry's age IN 4 YEARS B+4 B+33+4

Chemistry
Note- I do not want the answers. I just need to know how to set up each.. The combustion of isopropyl alcohol (Molar Mass=60.1 g/mole) is described by the following balanced equation: 1 C2H8O + 9 O2 (g) -> 6 CO2 (g) 8H2O (l) + 4012 kJ of heat energy a) How much heat energy ...

Maths
2:3:1

ss
what RIGHTS AND RESPONSIBILITIES DO CITIZENS OF SC HAVE? describe AT LEAST TWO RESPONSIBILITIES

Chemistry
E^0 sub red

Math
diondre purchased a car for $22000. assuming the value of the car depreciates at a rate of 6% per year, approximately what will be the value of the car after 6 years

Physics
A man walks 2 km in 2 min toward east 1 km in 1 min toward west and 1 km in 1 min toward east calculate the average velocity of the man

Health
Actually for 1. I think its B and C

Health
1. The functions of the respiratory system are (choose 2) A. to pump blood to the body** B. to deliver oxygen to the body** C. to remove carbon dioxide from the body D. to absorb nutrients 2. ______ is a substance in tobacco products that causes stained teeth and skin A. ...

MATH HELP
No worries, thanks! :)

MATH HELP
Ah! Thank you! :) Can you help me on one more? Find the experimental probability of tossing heads. There are five heads and ten tails a. 5/8 b. 1/3 c. 2/3 d. 2

MATH HELP
3/500; 6 lights 6/25; 24 lights 1/40; 25 lights 6/25; 240 lights ***

MATH HELP
A Lights-A-Lot quality inspector examines a sample of 25 strings of lights and finds that 6 are defective. a. What is the experimental probability that a string of lights is defective? b. What is the best prediction of the number of defective strings of lights in a delivery of...

Math HELP!
I really need help. Fast.

Math HELP!
3/500; 6 lights 6/25; 24 lights 1/40; 25 lights 6/25; 240 lights

Math HELP!
A Lights-A-Lot quality inspector examines a sample of 25 strings of lights and finds that 6 are defective. a. What is the experimental probability that a string of lights is defective? b. What is the best prediction of the number of defective strings of lights in a delivery of...

Nicholas
Estimate the minimum distance in which a car accelrates from rest to 10m/s if its motor is extremly powerfull

Math
What's -6 + 2/12? Could you please show your steps? Thank you! :)

Quick English check
Using adapt, anecdote, endowed, enhance, facilitate, incantation, intimation, mitigated, restitution, and resuscitate put them in the right sentence. Correct me if I'm wrong!! 1. The star athlete has been ENDOWED with astonishing speed, strength, and flexibility. 2. The ...

English help
"We can easily forgive a child who is afraid of the dark; the real tragedy of life is when men are afraid of the light" what does this quote mean?

Math help
Mt. Everest is more than 8000 m high. How fast would an object be moving if it could free fall to sea level after being released from an 4750-m elevation? (Ignore air resistance) How would I solve this?

Quick math help
a set of data points has a correlation r= -0.86 your friend claims that because the correlation is close to -1 it is reasonable to use the line of best fit to make predictions is your friend correct explain your reasoning. I say she isn't correct because she needs x and y ...

Quick English check
Please correct me if I'm wrong! The VAST area of the artic seabed may have fossil fuel resources, but the costs to claim them are currently prohibitive. But that does not keep news organizations from INTIMATING that Russia is attempting a land grab. The maps provided by ...

Quick English check
Please correct me if I'm wrong! Canada, Denmark, Russia, Norway, and the USA are the five countries with territorial claims to the artic seabed. The EXTENSIVE (as compared to the other claimants) Denmark has already submitted its claim to be reviewed for the new 2015 artic...

English
Use myriad minutia nominal ponderous and vast in these sentences. Correct me if I'm wrong! 1. I am burdensome. (Ponderous?) 2. I am a great host. (Myriad?) 3. I am the least acceptable amount. (Nominal?) 4. I am the tiny details that are sometime easy to overlook. (Minutia...

Lanuage. Please Help !!!
i don't have time to look at a link . i just need someone to tell me , but ok . whatever

Lanuage. Please Help !!!
Thank you . do you know what number 3 is

Lanuage. Please Help !!!
i don't need a link , i need some one to check my answers . if you can not check my answers please do not comment .

Lanuage. Please Help !!!
for Number 1.) i think it is A and for Number 2 I think It is D but im not sure about number 3

Lanuage. Please Help !!!
1.)what is the prepositional phrase in this sentence? Late last night their was aloud knock at the door a.)Late last night b.)there was c.)a loud knock d.)at the door 2.) what is the participle phrase in this sentence? Living in New York, he went to many fantastic Broadway ...

Math
The quotient is the answer to a division problem.

Math
Yep :)

Math
Use the distributive property: (3*9)+(3*12)

Algebra
You're welcome

Algebra
It's a function that is a straight line. :)

Homework
I presume it is. But do you think the answer is A?

Homework
I believe it may be biology, not sure.

Homework
Ms. Sue my friend asked me this question. I don't know what classes she takes.

Homework
Well I don't really know what subject this is :/

Homework
I'm thinking A

Homework
By forming tough,inactive cysts,Giardia... A.Survives in unfavorable conditions B.Gets energy from the sun C.Maintains a constant temperature D.Responds to stimuli,sun as chlorine

math
YOUR MOM

Physics
Billy stands on a hill without slipping. In which direction is the force of friction acting?

Pre calculus
A tugboat is traveling at 30 miles per hour at a compass heading of 38 degrees. The current is from the direction of 125 degrees moving at 7 mph. Find the resultant speed and the direction of the boat. I understand the concept and that I must use the law of cosines. I got 30^2...

Physics
Any help direction is appreciated. Inez is putting up decorations for her sister's quinceanera (fifteenth birthday party). She ties three light silk ribbons together to the top of a gateway and hangs from each ribbon a rubber balloon. To include the effects of the ...

maths
find the perimeter of a rectangle whose sides are 3x+y and 7x+2y

maths
find the perimeter of an equilateral triangle whose sides are:4 x rays to 2 -3y+8.

ANATOMY - PLZZZZ
plzzzzzz

ANATOMY
Essentials of Human Anatomy & Physiology (10th Edition) by Marieb, Elaine N power point notes (that summarize this particular textbook). Please help me I'll really appreciate that. I'm having a hard time looking for it.

chemistry
A given sample of a xenon fluoride compound contains molecules of the type XeFn where n is some whole number. Given that 9.03 × 1020 molecules of XeFn weighs 0.368 g, determine the value for n in the formula.

Math
What is the answer to page 31 of pre-algebra with pizzazz (what do hair dressers do?) ?

Physics
-Use upward as positive and 10.0 m/s2 for the magnitude of g. -Let us say that you toss an object upwards at 5.0 from a height of 17.0 m. 1.)What is in m/s2 the acceleration of the object the moment it reaches the highest position? 2.)What is in m/s2 the acceleration of the ...

math
75cm

Maths
5. You have inherited an orange grove. The more orange trees there are in the grove, the fewer oranges each tree produces. When there are 30 trees, each tree produces 84 kg of oranges. When there are 90 trees, each tree produces 74 kg of oranges. Assume that the amount of ...

Science
GCSE Physics-Forces affecting falling objects. My falling object is a skydiver Can you please help me to find the information needed? Nothing too complicated please. Here is a list of things I need to include but I have no idea where this information can be found on the ...

math
tickets for a school play cost $4 for adults and $2 for students at the end of the play the school sold a total of 105 tickets and collected $360 how much of each type of tickets did they sell

Algebra URGENT! Conic sections
A spacecraft is in a circular orbit 150 kilometers above Earth. Once it attains the velocity needed to escape the Earth's gravity, the spacecraft will follow a parabolic path with the center of Earth as focus. Suppose the spacecraft reaches escape velocity above the North ...

Social Studies
Thank You So Much :)

Social Studies
Ms.Sue??

Social Studies
Henry Clays Dream. Ms.Sue

Social Studies
Were there any key events in Henry Clay's life that shaped their dream for the United States?

Science
How would renewable energy sources be used in a home?

physics
613

Math
1/4

physics
Calculate the percentage of Earth’s gravitational force on the ISS astronauts while orbiting at an altitude of 248 miles above Earth’s surface.

Math
Thank you so much, this really helped me. I didn't understand how you got .7 at first but now that you sort of explained it I get it now!

Math
An appliance is on sale at 30% discount. If the sale price is $42.00, what was the original price of the appliance?

Algebra
even me too got the same answers!

Chemistry
how do i know which compounds to put the roman numeral in?

physics
A man seeking to set a world record wants to tow a 104,000-kg airplane along a runway by pulling horizontally on a cable attached to the airplane. The mass of the man is 93 kg, and the coefficient of static friction between his shoes and the runway is 0.78. What is the ...

Math
identify an integer x for which 2x/5 represents a ratio greater that 2:1 but less than 3:1

Math
who has the higher batting average: ted, who has 12 hits in 30 at bats, or pete, who has 18 hits in 40 at bats? why?

Social (ms.sue or writeteacher)
please help me

Social (ms.sue or writeteacher)
is this a book? honestly I love to read but I really haven't got time right now...I will take a read later but I really need to answer this. I posted a similar question yesterday and MS.Sue answered it fine but brief, which was good as I was able to adapt it to a decent ...

Social (ms.sue or writeteacher)
What are the: -similarities -differences -conflicts and reasons between men and women your answers are very much appreciated

Child Develpoment
NO WAY!!! you'll be headed towards the medical room!!!

Chemistry
At 125 degrees Celsius, the pressure of a sample of He gas is 345 mmHg. At what temperature degrees Celsius will the pressure become 690 mm Hg, if the volume remains constant?

Science-Greenhouse Effect
ANSWER PLEASE....INEED HELP....ANYTHING WILL DO

Science-Greenhouse Effect
Described the greenhouse effect using the big idea of energy transfer?....PLease answer ASAP

science
Suppose you hang an object of weight W by a string from a hanging spring scale, such as the kind used in some grocery stores. You then hang the scale with the object from the ceiling of an elevator. When the elevator is standing still, the scale will read the actual weight of ...

ap chemistry
A sample of gas in a cylinder of volume 4.2 L at 316 K and 2.68 atm expands to 7.21 L by two different pathways. Path A is an isothermal, reversible expansion. Calculate the work for Path A. Answer in units of J Path B has two steps. In the first step, the gas is cooled at ...

Chemistry
When carbon is burned in air, it reacts with oxygen to form carbon dioxide. When 25.2 of carbon were burned in the presence of 80.6 of oxygen, 13.4 of oxygen remained unreacted. What mass of carbon dioxide was produced?

chemistry
A sample of sodium reacts completely with 0.568 of chlorine, forming 936 of sodium chloride. What mass of sodium reacted?

Chemistry
A gas can holds 1.5 of gasoline, what is this quantity in cubic centimeters? answer using two significant figures,

math
how many 4 number combinations can there be from 0-99 without repeating a number?

algebra
Coco's coffee charges different prices based on the number of pounds purchased. The pricing scale is modeled by the function below, where w is the weight in pounds purchased. Orders placed directly through the Web site are discounted by 1/3, but a shipping fee of $2.50 is ...

Algebra & Trig
at a throwing speed pf 12.2 meters per seconds,what is the angle that produce a distance of 13 meters

Algebra & Trig
calculate the velocity of 10 meters per second with an angle of 30 degrees

s.s.
I am sorry Ms.Sue, but I need help with this question since my history book does not mention any thing of the Social class of the Aztec empire. So now I am reling on your good, old self!!!! I must hurry since I also have to study for the EOC. Thank you.

s.s.
yes It should be good :D And one more thing, Can you describe the social class of the aztec empire???

s.s.
Thank you I reall y appreciate your help

s.s.
Can someone please help me by answering this question? Just to let you people know: - There are NO answer choices! - I do not need a link - If I sound rude I am sorry but I am in a big time rush!!!! - And like I said again I do not need a link, so if you would please just post...

s.s.
Why was the aztec civilization considered warlike?

Chemistry
A cube of butter weight 0.250lb and has a volume of 130ml. what is the density?

consumer math
You owe $1,350.00 on a credit card with a 14.25% APR. You pay $300.00 at the beginning of the month. How much interest do you save by paying at the beginning of the month versus at the end of the month? second part: Imagine you put the $300 in a savings account earning 3.0% ...

Pre-calculus
1)Which term best describes the linear programming situation represented by x+y=2 why is the answer infeasible? 2)Describe the linear programming situation for this system of inequalities. x < 1 y > 0 3x + y < 5 why is the answer unbounded?

Math
List the terms without changing the expression. 21x+21y

Geometry
Tangent of Angle=11/100 Angle = Inverse of Tangent (11/100) Angle =Tan-1 (.11) Angle = 6.2, Rounded to 6 Degrees.

Geometry
To the nearest degree, what angle does a hill with a grade of 11% make with a horizontal line?

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