Sunday
April 20, 2014

Posts by marisa


Total # Posts: 42

math
one U.S. dollar is equivilant to $1.34 dollars Canadian dollars. Write an algebraic expression the number of US dollars you get for the N Canadian dollars

science
going 80 km/h how far can you travel in 30 minutes?

Algebra
2n-11=m/4 n=m/-3 Solve for the variables using substitution

Science
1.Why are there sutures on the human skull? What does this tell you about the actual structure of the skull?

Geometry
A regular hexagon is circumscribed about the ring surrounding the clock face. The diameter of the ring is 10in. Find the perimeter if the clock face. Please included work/steps to solve. Thanks!

Pre-Calc
Write a Sinusoidal function for the following. A ferris wheel is 100 feet in diameter and makes one revolution in 45 seconds. If the rider needs to walk up a ramp to get to their seat that is 5 feet above the ground, write the model for the rider.

Social Studies (ATHENS VS SPARTA)
well by fighting

algebra
Maria has 16 shirts and 3/8th of them  are red so how many shirts are red.?

Math
Flip a fair coin 9 times. Find the probability of getting the following outcome. (Round your answer to six decimal places.) at least 5 heads

Chemistry
Methane is formed in landfills by the action of certain bacteria on buried organic matter. If a sample of methane collected from a landfill has a volume of 500. mL at 744. torr and 22. °C, how many grams of methane are in the sample?

scienc
what does the statment"the properties of salt are diffrent from the properts of the elements that go into making them"mean? i dont get what they are asking.

Math
yes

Math
how many out of 80 people

3 Grade
27

5th gread
why is breakfeast the most important meal of the day?

us history
thank you,what is maize????

us history
what foods where in the new world before the columbian exchange?

3rd grade
62 tens and 4 ones

math gr.6
How do I show the work?

math
For the pair of sets, explain if it is a subset of the other. A - B and A - (B - C)

LIT 210
Which author do you think most effectively utilized dramatic literary devices and conventions—Sophocles or Lorraine Hansberry? Explain your answer.

Geometry
What is the radius if the area of the circle is: 4x^2(PI) My answer 4x^2(pi)=(pi)(r)(2), 16x(pi)=(pi)(r)(2), 16x/pi=5x. 5(PI) My answer 5(pi)=(pi)(r)(2), sqare root of 5 is 2.23, which rounds to 3, 3(pi)=square root of 9. What is the area of the sector if the radius is 6 and ...

spanish
if you know when a program, what are you doing. i'm a spainsh expert :D kinda :D

11th grade
how do you solve a dilution problem, this is chemistry

math
The demand for your college newspaper is 2200 copies each week if the paper is given away free of charge and drops to 1000 each week if the charge is 10/copy. However, the university is only prepared to supply 600 copies each week free of charge but will supply 1400 each week ...

7th science
what are the differences between multiple alleles and polygenic inheritance???

7th grade science
Gregor Mendel was considered as the father of genetics because he was the first one to understand how DNA worked. Mendel was famous for working with pea plants. He breeded different kinds of pea plants to get certain kinds of colors of peas. Just like artists it took him to di...

7th grade science
Answer: heterozygus EXTRA: if it was TT it would be homozygous dominant. if it was tt it would be homozygous recesive

geography
how does floridas physical and cultural geography effect the way people live and work

math
false

work (physics)
a 25 kg object is accelerating from rest to a distance of 6 m in 4 seconds across a level floor. The friction is 3.8 N - what is the total work........ i started off by trying to find fa but it seems to give me an absurd answer.. maybe if u could help me by telling me the step...

algebra
okay so my question is 8-x/3=-10 i now that you would substract -8 from both sides but what do you do then

Algebra
the answer would be 15 becuase when you divide 45 by 3 you would get 15

Math(is this correct?)
yes it is

8th grade math
uhmm i think you would subtract 4 from both sides so that would jsut leave you with 3x 3x+4=193 -4 -4 3x= 189 then you would divide 3 from both sides which leaves you with 63 x=63 =] oh and make surewhen you do these promblems you go back and check it

sparta&athens
they both do hard advating

American Government
The Magna Carta!!! HELP ME PLEASE? How does this relate to today standards and help the Republican side view point? What is this saying????? From the magna Carta. 12. No `scutage' or `aid' may be levied in our kingdom without its general consent, unless it is for the r...

7th grade algebra
85

math
fatorise: a)x^2-5x b)x^2-81

Physics
A 74 kg skier is pulled 50 meters up a 30 degree incline. How much work is required to pull the skier up?

algebra
You first need to distribute the (-5) and the (2) on both sides of the equation. Then combine like terms, the (x)s and the numbers. Isolate the variable (x) onto one side. Solve for x

Analogies (just one)-- please help
Whirlwind is to breeze as downpour is to.?

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