# Posts by chrissy

Total # Posts: 255

**reading**

well I need to know the answer of the rest of the questions

**reading**

i cant its due mondsy

**reading**

can you find someone to help me

**reading**

yes but I don't know those answers I really need help

**reading**

I need help can you help me answer these questions as soon as possible

**reading**

I need to help me answer these questions as soon as possible

**reading**

I have to make at on the character mark brian from the book I heard the owl call my name and the project needs to include his occupation, education, cause of death, major accompishments, name of his family members, place of residence ,place of burial?

**Phsics**

an astronaut, mass 119 kg including spacesuit pushes off from the international space station with a velocity of 2.7 m/s. What is the speed of the Space station in the opposite direction

**Math**

A man standing on top of a 100 foot building sites the top of a nearby building at an angle of elevation of 3.14/8. If he knows the nearby building is 160 feet high,what is his horizontal distance from that building.

**chemistry**

2NO + O2 = 2NO2 How many grams of NO2 will be produced when 5.00 moles of NO react?

**chemistry**

A large salt crystal having a volume of 56 cm3 and a density of 2.17 g/cm3 was dissolved in to sufficient water to make 375 mL of solution. What is the salt concentration in the solution as g/L?

**Math**

Andrea needs 3/8 ounce of vanilla for her cookie recipe. If 1 milliliter is approximately 0.03 ounce, write an expression to determine the number of millimeters of vanilla Andrea needs for her cookie recipe.

**math**

a box is 11 inches tall, 2 inches deep, and 8 inches wide. What is the surface area of the box that is needed for the cereal

**pre algebra**

The length and width of a rectangle are 5 feet and 2 feet, respectively a similar rectangle has a width of 8 feet. What is the length of the second rectangle?

**algebra**

Sheila is climbing on a ladder that is attached against the side of a jungle gym wall. She is 5 feet off the ground and 3 feet from the base of the ladder, which is 15 feet from the wall. How high up the wall is the top of the ladder?

**math**

If I had 3 nickels, 3dimes, and 2 quarters. What fraction of the coins is either a dime or a quarter

**Psychology Statistics**

Many animals, including humans, tend to avoid direct eye contact and even patterns that look like eyes. Some insects, including moths, have evolved eye-spot patterns on their wings to help ward off predators. Scaife (1976) reports a study examining how eye-spot patterns affect...

**Physics**

Consider the skateboarder in the figure below. If she has a mass of 57 kg, an initial velocity of 21 m/s, and a velocity of 10 m/s at the top of the ramp, what is the work done by friction on the skateboarder? Ignore the kinetic energy of the skateboard's wheels. The ...

**Physics**

A crate of mass 54 kg is attached to one end of a string, and the other end of the string runs over a pulley and is held by a person as in the figure below. If the person pulls with a force of 93 N, what is the crate's acceleration? (Assume that upward is the positive ...

**Physics**

Your friend is an environmentalist who is living in a tree for the summer. You are helping provide her with food, and you do so by throwing small packages up to her tree house. If her tree house is 21 m above the ground, what is the minimum (initial) speed you must use when ...

**Physics**

Two children are playing on a 147-m-tall bridge. One child drops a rock (initial velocity zero) at t = 0. The other waits 1.2 s and then throws a rock downward with an initial speed v0. If the two rocks hit the ground at the same time, what is v0?

**Physics**

A hockey puck slides with an initial speed of 48 m/s on a large frozen lake. If the coefficient of kinetic friction between the puck and the ice is 0.030, what is the speed of the puck after 11 s?

**compound interest**

$873.6

**Us history**

In the monroe doctrine what does the United States say it will do if any European colonies in North or South America declare their independence?

**Us history**

Put this into everyday wording "manifestation of an unfriendly disposition toward the United States.”

**physics**

Vector has a magnitude of 5.10 units and points due east. Vector points due north. (a) What is the magnitude of , if the vector + points 27.4 ° north of east? (b) Find the magnitude of + .

**language art**

ok..can you send me a website to study phrases and clauses.

**language art**

7.D 9.C 11.D *Going with my second choice, are they right*

**language art**

2.A 3.A 7.A 8.B 9.B 11.C

**language art**

1.Chris was being OBNOXIOUS when he -told Mrs.Kelly it was a great day for a race. -insulted Gina's new haircut. -kept the little kids' ball from going into the street. -returned Mr.Cho's keys. 2.If something is STATELY, it is -impressive -informal -common -tacky 3...

**Calculus-Area between curves**

Thanks I figured it out my answer was 9, and it was correct

**Calculus-Area between curves**

Sketch the region enclosed by the given curves. Decide whether to integrate with respect to x or y. Then find the area of the region. 2y=4*sqrt(x) , y=5 and 2y+4x=8 please help! i've been trying this problem the last couple days, even asked a TA for help, but i can't ...

**Fundamental Theorm of Calculus**

Find the average value of f(x)=7x^{-2} on the interval [1,5]

**HCA/220**

I need help with a discussion question due in week 8. You work in a training and development department of a medical facility. You are asked to develop a training manual for a new employee with no medical terminology background. The new hire will work in orthopedics department...

**geometry**

two angles, a and b are complementary if the sum of their measure is 90 degrees. If angle a is 21 degrees more than twice angle b find the measures of angles a and b. I would like to know how to set this equation up in order to find the answer.

**math**

in her coin collection, holly has 1/3 more coins than jim has in his collection. if the number of coins in 1/2 of holly's collection is 10 more than the number of coins in 1/3 of jim's collection, how many coins does each have?

**Chemistry**

Unknown is completely correct, i got 100. Thank you!

**chemistry**

In Flask A, you reacted 5.10 g Mg with 0.447 mol HCl. In Flask B, you reacted 24.21 g Mg with 0.998 mol HCl. Which ballon will inflate the most?

**Sociology**

This is the reason an employer might restrict employee internet access? a. Employees waste too much time on the internet b. viewing certain kinds of sites could lead to a hostile work environment

**Sociology**

philosophers suggest arguments should be won by? a. the best argument b. a coin flip c.the person who feels most strongly about the issue d. vilence

**Algebra**

The length of a rectangular garden is 4 m greater than the width. the area is 77m^2. find the dimensions of the garden.

**Averages**

Find the average. 39, 47, 52 I got an answer of 46. Is this correct?

**Help Math**

I got b now thank you

**Help Math**

P(A)=0.40 P(B)=0.25 The probability of both events occurring is 0.15. What is the probability of either event occurring? A. 0.15 B. 0.50 C. 0.65 D. 0.80 Is it D?

**Help Math**

Ok thank you

**Help Math**

Events A and B are mutually exclusive. The probability of event A occurring is0.15; the probability of event B occurring is 0.45; what is the probability that A and B will occur? A.0.30 B.0.60 C.1 D.0.40 I think C am I correct?

**Math**

A non normal population is determined to have a mean of 60 and a standard deviation of 4. Ninety six percent of all observed values will occur in what range? A.52.16-67.84 B.50-60 C.48-72 D.40-80 I think A am I correct?

**calc**

f(x) is a polynomial function such that f(-2)=5, f'(-2)=0, and f''(-2)=+3. The point (-2,5) must be an _______ of the graph of f(x) A) relaltive max B) intercept C) point of inflection D) relative min

**calc**

find the absolute maximum and minimum for f(x) = x+ sin(x) on the closed interval [0, 2pi]

**Math**

Idk how to do this! :( Write an equation of the line that passes through the given point and is perpendicular to the given line (1,-1), y=3x+2

**geometry**

ABCD is a parallelogram. BM= 22-3x, DM=10+9x, AM=7y+13 and CM=2y+38. solve for x and y

**Math**

To buy both a new car and a new house, Tina sought two loans totalling $319.531. The simple interest rate on the first loan was 2.7%, while the simple interest rate on the second loan was 2.6%. At the end of the first year, Tina paid a combined interest payment of $8334.15. ...

**math**

Solve using the elimination method. 4x+3y=-45.5 -5x+8y=-43

**Math**

Solve using the elimination method. -3x+6y=-3 -6x+4y=-10

**Math**

Solve using the substitution method -x-3y=-20 5x+3y=40

**algebra**

i need help understanding the breakdown of this equation. 9x=7y=1 x=13-4y

**Chemistry**

SO3 + H2O = H2SO4 If you react 34 g of water and have excess SO3, how much H2SO4 would you theoretically produce

**AP government**

"if the general public benefits from entrepreneurial politics why aren't such policies fueled by a social movement or other mass form of political acitivsm?"

**PHYSICS!!**

free body diagram of a 4 kg bucket accelerating downward 2 meters per second squared

**PHYSICS!!**

a student pushes a 10 kg box across a warehouse floor. if the boz accelerates at 3 m/s/s and the force of friction is 20 newtons determine the size of the students applied force

**english**

I know it's a bit too late to help, but just for anyone else needing help, I can help. I'm working on this assignment right now and so far only have two paragraphs. First, in similarity, they lived in close time periods (both lived in 20th century) and were very poor. ...

**art apreciation**

the style ofart produced at the palace of versailles during the reign of king louis XV would today be called a. mannerist b. rococo C. baroque D. classical

**Statistics**

Two ways in which practical statistics outweighs statistical significance?

**Math**

Use the data set {-100, -99, -98, ........-2, -1} to answer the following question. The data set has a first quartile of?

**statistics**

Use the data set {0,4,4,8,4,16} to answer the following question. The mean of the data set is?

**data management g12**

a bridge hand consists of 13 cards. how many bridge hands include 5 cards of one suit, 6 of a second, and 2 cards of a third?

**Algebra 2**

How would I put this word problem into a system of equations (three equations)? Once its in equation form I can easily solve it... A natural food store makes its own brand of trail mix out of dried apples, raisins, and peanuts. One pound of the mixture costs $3.18. It contains...

**Algbebra 2**

How would I put this word problem into a system of equations (three equations)? Once its in equation form I can easily solve it... A natural food store makes its own brand of trail mix out of dried apples, raisins, and peanuts. One pound of the mixture costs $3.18. It contains...

**Algebra 2**

How would I put the following equations into y=mx+b form? x+y=4 -4x+y=9

**geometry**

Use the distance formula. I tried giving you a link but I cant.. so you can look it up. Its the square root of x sub minus plus x sub one squared, plus y sub two minus y sub one squared. Its a mouthful! So just look it up and plug in the appropriate numbers. :)

**ap java**

an old-fashioned computer has just 16 bits available to represent an address of a memory location. how many total memory locations can be addressed in this machine? what formula would i use to find this answer?

**history**

why did president harry truman fired general douglas macarthur from his command of american forces in east asia during the cold war?

**history**

during WWII

**history**

what was the key U.S. government memorandum that militarized american foreign policy and indicated national faith in the economy's capacity to sustain large military expenditures ?

**chem**

when doing a paper chromatography lab, my class used a solvent with a neutral pH, which my teacher said would help separate the amino acids with simialar Rf values. can anyone please explain why we needed to use a solvent with a neutral pH?

**6th grade math**

25% of 100

**spanish**

550.330 translated in spanish please?

**spanish 1**

201 in spanish?

**spanish**

yes

**spanish**

Quien es el chico?

**chem**

do esterification reactions have high or low yields? and why is this?

**chem**

do esterification reactions have high or low yields? and why is this?

**chem**

do esterification reactions have high or low yields? and why is this?

**organic**

what kind of products are esters added to?

**organic**

do esterification reactions usually have a high yield of the desired ester?

**organic chem!**

when trying to purify aspirin, why would i have to add hot water to the crystals that are formed, and then recool the crystals? what does this do to the crystals?

**aspirin**

during the synthesis of aspirin, why do the crystals mostly form when the test tube is placed in the ice bath and not before?

**biochem**

When making Aspirin, I know that sulfuric acid is used as a catalyst. But i was wondering 1.) if the reaction would happen without the cataylst and 2.) can other substances be used as a cataylst in this reaction?

**Chemistry**

I placed the 0.1 in the wrong part of the equation.... so the normality is 0.14

**Chemistry**

Suppose you are titrating an unknown acid soluition with 0.100 N KOH. What is the normality of the acid if 25.00 mL of it requires 35.20 mL of base? I got 0.07 N I am not sure if I did the problem correctly and need some help.

**Geometry**

The diagonals of rectangle ABCD are AC and BD. Hallie found that the distances from the point where the diagonals intersects to each vertex were the same. Which of the following conjectures could she make? a. Diagonals of a rectangle are congruent. b. Diagonals of a rectangle ...

**Math**

Or you could just count how many numbers Ms. Sue provided and multiply by three for your total number of possiblities.

**Writing a 2 column proof..**

I have no idea where to start! and I've got lots of these to write. Directions say write a two-column proof... Given: segment AB is congruent to segment XY, AC is is congruent to XZ, and BC is congruent to YZ. Prove: triangle ABC is congruent to triangle XYZ

**management**

Describe the differences between the directional, portfolio, and parenting strategies. In addition, describe when you would use these major types of strategies.

**Equation stuff...**

Write your answer in standard form with integer coefficients. 1. (-5, 2); m = 2/5 2.(-6, -1); m=-4 how do i do this?

**history**

I know what the Sumner/Brooks affair is, but how did it play a role in leading up to the civil war?

**biochem**

If you were to place a bacteria that could form spores in a stressful environment, what would the cell morphology look like?

**micro biology**

what would a spore former (bacteria) look like if you forgot the safranin stain?

**english**

would it be implacable?

**english**

He was ____ in his pledge to complete the project on time and under budget. what word: implacable, disgruntle, or illusory?