# Posts by michaela

Total # Posts: 111

Math
If the spinner is spun twice, what is the probability that it will stop on an odd number both times?

Chemistry
A sample of g 0.2050 oxalic acid (4.2 H2C2O H2O) required 25.52 mL of KOH solution to complete the neutralization according to rea tion: HOOCCOOH + 2 KOH + KOOCCOOK ↔ H2O Which the concentration in mol L-1 of this KOH solution? A sample of an unknown oxalate 0.3025 g ...

Chemistry
What volume of a 5.0% (v/v) Acetic Acid solution will contain 40.mL of Acetic Acid?

Algebra 2
How would I go about solving the following problem? There were different questions with matrices in them, but this one was different from the others. For the matrix product [ -5 , 3 ][ 6 , -3 ] p = [ 2 , -2 ][ 4 , -3 ], determine the expression that gives the value of p12. I ...

Physics
An object of 3.0kg is projected into the air at a 55 degree angle. It hits the ground 3.4s later. What is it's change in momentum while it's in the air?

Pre-Cal
Confirm that f and g are inverses by showing that f(g(x)) = x and g(f(x)) = x. f(x) = (x-7)/(x+3) and g(x) = (-3x-7)/(x-1) I got to the point where f(g(x)) is plugged in but how would I simplify it? (((-3x-7)/(x-1))-7)/(((-3x-7)/(x-1)+3)

Science
.100 KG of an unknown metal at 94°C is placed in 100 g of water at 10°C the final temperature of the metal and water are at 70°C what is the heat capacity of the unknown metal

Science
A piece of copper at 90°C is added 2.200 KG of water at 15°C inside an aluminum calorimeter that has a mass of .100 KG the final temperature of the copper water and calorimeter is 25°C what is the mass of the copper piece

Science
.100 KG piece of metal is heated to 480°C and then quickly place in .250 KG of water at 20°C which is contained in a .200 KG aluminum calorimeter the final temperature of the water metal and calorimeter is 36°C what is the specific heat to Capacity of the metal piece

Algebra
H=72t-16t2

math
20 tickets for 960 what is price of each ticket

english
Essay of What America means to you

Math
What is the unit rate of 16 32 equal to something over 14?

math
A school club consist of 30 male students and 13 female students. If 3 students are selected to represent the club in the student government, what is tge probability 2 will be male and 1 will be female? please help me

statistic
A computerstore has 75 printers of which 25 are laser printers and 50 are ink jet printers. If a group of 10 printers is chosen at random from the store, find the mean and variance of the number of ink jet printers.

statistic
3 statistics professors and 7 chemistry professors are available to be advisors.If each professor has an equal chance of being selected, what is the probability that both professors are cgemistry professors?

statistic
A coin is tossed 6 times. Find the probability that all 6 tosses are tails.

science
how dose climate affect weathering

English
The President sent the ambassador an invitation to the meeting. What is the correct sentence pattern?

What is the structure for ethyl ethanamide? (Ie. c-c-N-c-c) ??? Thanks

Physics
How long is the sound wave if frequency is 320 Hz? Speed of sound =340 m/s

Calculus
A cylinder is inscribed in a right circular cone of height 5.5 and radius (at the base) equal to 2 . A) What are the dimensions of such a cylinder which has maximum volume? B) What is the radius? C) What is the height?

physics
You stand 5.2 meters away from a spherical mirror and your image forms 6.3 meters away on the front side of the mirror. What is your magnification?

English
Can somebody help me write my rough draft for a speech about how youth's and adult's should get the same penalty for crime?

Physics
A daredevil plans to bungee jump from a balloon 52.0 m above the ground. He will use a uniform elastic cord, tied to a harness around his body, to stop his fall at a point 15.0 m above the ground. Model his body as a particle and the cord as having negligible mass and obeying ...

algebra
How do you slide a point from (0,-2) to (3.5,5)?

i got 1200

math
thank u so much

math
thank u....jessica made 8/3 pounds of fudge. she gives 3/4 of what she has to will. A. how many pounds or how much of a pound of fudge does will get? B. how many pounds or how much of a pound of fudge she have left?

math
thank u can u help me with another one i get so confused with word problems

math
jessica made 8/3 pounds of fudge. she gives 3/4 pound of fudge to will. how many pounds or how much of a pound of fudge does she have left?

math
1,322 - if you are adding them up, that should be correct. if there are 12 tens, 10 tens equals 100 and the left over two 10s would equal 20. so that's 120+200+2=322 add the thousand and that equals 1,322.

physics
A newspaper carrier on delivery route travels 200.-m South-West and 300.-m West. What is the magnitude of the displacement?

physics
What is the magnitude of displacement for a person that walks 6.0-km North-East, 4.0-km East, and 6.0-km South?

physics
What is the magnitude of displacement for a person that walks 6.0-km North-East, 4.0-km East, and 6.0-km South?

math
During the playoffs you score 2 goals per game. By the end of the second playoff game you had 22 goals for the year. Find an equation that gives you the total number of goals scored for the year in terms of the number of playoff games. How many goals did you score before the ...

Pre-Algebra
Write the expression for a number used as a factor fifteen times being multiplied by the same number used as a factor ten times. Then, write the product as one power. Thanks, Michaela

Pre-Algebra
Write the expression for a number used as a factor fifteen times being multiplied by the same number used as a factor ten times. Then, write the product as one power. Thanks, Michaela

Enviromental Science
What effect could an uncontrollable grass carp population have on the energy pyramid of an lake environment?

AP Physics
If a ball rolls off a 4m high table at 7 m/s, how far horizontally from the bottom edge of the table will it fall?

Algebra 2
Solve each inequality. 0.75b < 3

Chemistry
What was the initial temperature of a sample pf silver that released 1207 joules when 150.0 grams of this metal were transferred to a cooler temperature of 60 degress Celsius?

Math
63

physics
A ball is projected horizontally from the edge of a table that is 1.15 m high, and it strikes the floor at a point 1.70 m from the base of the table. (a) What is the initial speed of the ball? m/s (b) How high is the ball above the floor when its velocity vector makes a 45.0&...

physics
A ball is projected horizontally from the edge of a table that is 1.15 m high, and it strikes the floor at a point 1.70 m from the base of the table. (a) What is the initial speed of the ball? m/s (b) How high is the ball above the floor when its velocity vector makes a 45.0&...

Law

geometry
do a proof and use some logic

algebra
list the intercepts and test for symmetry y = x^4 + 1 divided by 2x^5

math
Cigarette Use A study by the Partnership for a Drug-Free America indicated that, in 1998, 42% of teens in grades 7 through 12 had recently used cigarettes. A similar study in 2005 indicated that 22% of such teens had recently used cigarettes. (a) Write a linear equation that ...

Geometry
Write the negation of each statement. Every student at Hammond High School has a locker.

Geometry
Write the negation of each statement. Every student at Hammond High School has a locker.

Geometry
The measure of an angle's supplement is 76 less than the measure of the angle. Find the measure of the angle and its supplement.

Geometry
Point P is located on the segment between point A(1,4) and point D(7,13). The distance from A to P is twice the distance from P to D. What are the coordinates of point P?

geometry
An isosceles trapezoid with that bases 16 in and 34 in are inscribed in a circle such that one of the bases is the diameter. Find the area of the trapezoid.

a tree casts a 25 foot shadow on a sunny day if the angle of elevation from the tip of the shadow to the top of the tree 32 degrees, what is the height of the tree to the nearest thenth of a foot?

Physics
I think its meant to be T (x,t) = 36 + 2 sin[2pie(0.029t - 9x) + 2pie]

Physics
A conduction heat wave is caused to pass through a metal bar of average temperature Tmean = 36 degrees altering its temperature sinusoidally with an amplitude of Ti=2 degrees. The equation which gives the temperature T(x.t) of the metal bar at any place x(in metres) inside it ...

math
One eighth of the children in a have brown eyes.if 6 children have brown eyes,how many children are there in the club

English
Please write this. Write simile for Valentine's?I give mine teacher.Be nice!

algebra
Factor these: 8x^3-125 81x^-625 18x^3+63x^2-50x-175 x^4-11x^2+18 I'm so lost!

Literature
what is the author's purpose in "The Sniper?

English
What is Protagonist in the sniper?

Algebra 2
George is 5 times as old as Heather. In 4 years he will be 3 times as old how old are both of them?

Spanish crossword
six letter spanish word for clue el chile original

math
Vanna Black pays money for vowels. If consonants are worth nothing and the following words are worth the following amounts, then find the value of each vowel. All vowels are worth the same amount in each but each vowel has a different value. Audacious=\$260 Equivocation=\$340 ...

what are some examples of mechanical mixtures

geography
who is a famous person from estonia????

math
3hours

Ag.Science
A married couple both of which are suspected of carring the gene foe Tay Sachs disease is considering having children.What advice would you give them?Give detaled resons for your advice including,but not limited to, possible genotype and phenotype ratios an combination....

math
24, 005 is greater than 8 999 because 24 005 has "2" in the 10 000's column, as 8 999 has no numbers in the 10 000's column, therefore it is worth more.

science
How can you identify hydrogen, oxygen and carbon dioxide by their chemical properties?

help me whit unscaunble words

drafting
When you're forming the letter M, your second stroke should be

physics
A 10,000 kg frieight car is rolling along a track at 3.0 m/s. Calculate the time needed for a force of 1000 N to stop the car.

Math
dont no why

what problems did amelia earhart have

englísh
the met office

englísh
what group have responiblity for weather forcasting

english
what group have responseblity for the weather forcast

A glass of water is placed on a very sensitive scale and several antacids tablets are dropped into the water. The weight of the glass and its contents is less after the tablets dissolve than before the tablets dissolved. Tell how matter is conserved ? Please help! I couldn'...

social studies
Who invented the ice box?

Physics
340m

History
What is territorial growth of United States during this period ?

History
What is account of the famous siege of the Alamo ?

History
What is trace the path that they took from New York to Salt Lake City ?

English III
How many hours per day / week will you work ? ( set schedule or flexible )

What is trace the path that they took from New York to Salt Lake City ?

social studies
were there any weaknesses in the Constitution? Explain.

social studies
How did the two compromises reached during the Constitutional Convention satisfy competing groups?

social studies
In what ways did the Constitution strenghthen the central government?

social studies
Of the problems experienced by the Confederation Congress, which do you think was the most harmful? why?

social studies
what was the general attitude of foreign nations toward the new government of the United States? why?

social studies
Which document or institution do you think had the greatest influence on the development of the United States? Why?

Social Studies
What did the Confederation Congress do to strenghten the United States ?

math
1/3 (x-2)=5 u need to simplify this question i know x=17 but i don't know how to show this.

science
pictographs and theme maps are similar, which is more effective and for what reasons

the length of a piece of string is known to be exactly 9.84 cm. two students measured the string. student A used a ruler marked in centimeters and got a measurement of 10 cm. student B used a ruler marked in millimeters and centimeters and got a measurement of 9.8 cm. how ...

i have the same problem as before,only 3 more questions about it. please help!! how precise is the ruler originally used to measure the string? explain. what is the length of the string to the nearest centimeter? what is the length of the string to the nearest tenth of a ...