Posts by Francine

Total # Posts: 40

Physics
An airtight box has a removable lid of area 1.19E-2 m2 and negligible weight. The box is taken up a mountain where the air pressure outside the box is 8.67E+4 Pa. The inside of the box is completely evacuated. What is the magnitude of the force required to pull the lid off the...

math
but the answer has to be -10

Writing
I'm doing a writing segment with the topic, law. I was wondering if the California eraser button law is still active?

Calculus
Find the height of street light that is 12 feet tall. How tall is the light. Write in sentence form, do not forget units of measure.

PLEASE HELP WITH DIFFERENTIAL EQUATIONS QUESTION??
Which of these equations have an equilibrium solution. What are they? How are their DE's different? dy/dx=6y-y^2 dy/dx 15-3y

chemistry1411
98.6 degree

Math
the answer is c.)42

English
life is more than a game true friends are for life no one can replace a family member

English
can anybody give me examples of beliefs i have a few but i need more

music (Anyone)
can you give me two different performers who sing god save the queen?

nath
The formula, Total price=Unit price x Number of units, is used to find the total price of the product. The formula can be written in symbols as T=UN. Solve the formula for U.

algebra
6k-4k=6

math
3x-4=17

math
Elaine purchased a new copy machine and financed it for one year. The installment price was $3824.25 and the cash price was $3565. Find the amount of finance charge using the formula Finance charge = Installment price – Cash price.

Business math
thank you Sue

Aviation
Is the force needed to use automobile brakes the same as using an airplane rudder

algebra
Sorry last part should be What is the ratio of the geometric sequence?

algebra
In a geometric series, suppose g2 = 2 and g6 = 162. What is gngn–1?

College Algebra 2
The speed of train A is 16 mph slower than train B. Train A travels 190 mph in the same time it takes train B to travel 270 miles. Find the speed of each train.

College Algebra 2
To determine the number of deer in a game preserve, a conservationist catches 810 deer, tags them and lets them loose. Later 684 deer are caught; 171 of them are tagged. How many deer are in the preserve?

College Algebra 2
To determine the number of deer in a game preserve, a conservationist catches 810 deer, tags them and lets them loose. Later 684 deer are caught; 171 of them are tagged. How many deer are in the preserve?

College Algebra 2
To determine the number of deer in a game preserve, a conservationist catches 810 deer, tags them and lets them loose. Later 684 deer are caught; 171 of them are caught. How many deer are in the preserve?

College Algebra 2
The number of kilograms of water in the human body varies dirctly as the mass of the body. An 84-kg person contains 64-kg of water. How many kg of water is in a 63-kg person?

Statistics
no it dose not describe the median price

math
If the rule is out=-25+in. And the in is 25 what is the out?

math
If I were taking a trip and it took me three hours to get there and 5 hours to get back, what would be speed have been on the way there if I traveled at 16k/h?

Chemistry
2.162560976

math
how many digits are in the product of 24 and 32

math
How would I explain that it is half of 420?

math
how could i use the product 10 x 42 = 420 to find the product of 5 x 42?

science
what is the difference between endangered species and threatened species

science
what can we do to help animals from dying from pollution

Math
How much would it cost to drive an automobile that averages 22 miles per gallon of gasoline that travels 12,500 miles each year, and gasoline costs $2.85 per gallon? I don't know how to write the conversions for this one, because there's nothing that could be on it'...

Math
How many mL of gas does it take to fill a 16 gallon gas tank 1.06 L=1 qt 4qt=1 gal. I got 67840 mL. Is this correct? Thanks

Parmacology, Dermatology and Orthopedics
need help with Pharmacology, Dermatology and Orthopedics, lessons from Penn Foster examination number 40980800 if anyone has anwsers please help. Thanks

MATH
Mrs. Butler bought 1,800 shares of Stairwell Mutual Fund at an offer price of $3 per share. She later sold the shares at a net asset value of $4.60 per share.During the time Mrs. Butler owned the shares, Stairwell Mutual Fund paid a dividend of $0.80 per share.What is Mrs. ...

MATH
Ted bought four chairs for $22 each, a pinic table for $212, and an umbrella for $85. If the sales tax rate is 6%, what was his tatol bill?

MATH
Add the fractions 1/3,5/6,and 3/6 and reduce your answer to lower terms.

science/law of conversation of mass
is the law of conversation of mass a reason why actual yield is less than theoretical yield?

Biology
Can you please help me with this question? Which word is the most appropriate to use in the blank? Normal growth is dependent upon the quantity and quality of proteins eaten. The quality of protein--whether it is complete or incomplete --is dependent upon its content of ...