# Posts by Melanie

Total # Posts: 306

**physics**

a 650 newton crate rests on the floor. how much work is required to move it at a constant speed, 3 meters against a friction force of 150 Newtons

**Word Problems**

The manager has one type of coffee that sells for $5 per pound and another type that sells for $11 per pound. The manager wishes to mix 90 pounds of the $11 coffee to get a mixture that will sell for $10 per pound. How many pounds of $5 coffee should be used?

**Chemistry**

If you react 55g of hydrazine and 55g of oxygen gas, what is the maximum moles of nitrogen dioxide gas that can be made and what is the limiting reagent?

**Math please help!!**

Solve the system using substitution. y = -2x + 5 3y = -x - 5 I already got the answer, just wanna make sure it's correct. Please show work as well.

**Math**

Solve each system x + 3y = 6 4x - 5y = 7 I need to know what x and y equal??

**Math**

Solve each system x + 3y = 6 4x - 5y = 7 I need to know what x and y equal??

**Math**

Oh alright I got it thank you :)

**Math**

What is 10x + 2y - 10 = 0 in slope intercept form ? and can you also explain how you got the answer cause I'm not really sure how to convert that into slope intercept (y = mx + b) m = slope and b = y intercept

**Math**

solve each system 1) 3x + y = 6 2x + 3y = 13 2) 2x + 5y - 6 = 0 -2x + y - 2 = 0 3) x + 3y = 6 4x - 5y = 7

**Math**

Okay so no one wants to help... alright -_-

**Math**

OMG SOMEONE HELP PLEASE !!!! :/ I'm desperate

**Math**

So my teacher is making me solve systems by graphing. One of them was 3x + y = 6 and 2x + 3y = 13 . I converted both of them into slope intercept form and got y = -3x + 6 and y = -2/3x + 13/3 . The thing is I don't know how to graph a fraction ?!?!?! And if I turn that ...

**Biology**

Kay so these are the strands of DNA 5' C C A G T A G T T 3' 3' G G T C A T C A A 5' Let's say the DNA molecule above were the parent strand of DNA. when the strands are split for replication, which strand would be the template for the leading strand? And ...

**Math**

1) What is the slope of a line that is parallel to y = 2? 2) What is the slope of a line that is perpendicular to y = 2? 3) What is the slope of a line that is parallel to x = -4? 4) What is the slope of a line that is perpendicular to x = -4? I don't get any of these ...

**Math**

I'm sure about it now :) Thank you for your help. I know it is C because once I put in the x and y axis into the equation, I multiplied 1/5 with -10 then added one and the result was three that's how I knew it was C :)

**Math**

Ummm is it C?

**Math**

For 1, I got G and for the second one I got B. are they correct?

**Math**

I need help with two problems. Just want to make sure that the answers I put are correct. 1) Which of the following is an equation of a vertical line? F. 4x + 5y = 0 G. -4 = 16x H. 3y = -9 I. 4x + 5y = -1 2) Which equation is the equation of a line that passes through (-10, 3...

**chemistry**

11 g over 100 g H2O at 20 degrees celsius

**5th math**

Math fractions decimals and percentage

**Math**

Please... someone help! :(

**Math**

For the equation y = -6x, what is the slope and y intercept? The formula is y = mx + B. I know that m = the slope and B = the y intercept. So in the equation y = -6x, what is the slope and y intercept? Is -6 the y intercept or the slope? Because if it's the slope, How am I...

**Math**

For the equation y = -6x, what is the slope and y intercept? The formula is y = mx + B. I know that m = the slope and B = the y intercept. So in the equation y = -6x, what is the slope and y intercept? Is -6 the y intercept or the slope? Because if it's the slope, How am I...

**Math**

Thank you (: Yes, I did. It's correct right?

**Math**

1. What are the next two terms of the following sequence? -3, 1, 5, 9... 2. What are the next two terms of the following sequence? -2, 4, -8, 16... 3. What is the common difference of the following arithmetic sequence? 13, -7, -27, -47... 4. What is the ninth term of the ...

**Math**

Write an equation in slope-intercept form of the line that passes through the given points. 1. (-3,4), (1,4) 2. (3, -2), (6,1)

**Math**

Describe a pattern in the sequence 4, 6.5, 9, 11.5 & find the next two terms of the difference.

**Math**

The domain of t(x) = -3.8x - 4.2 is {-3, -1.4, 0, 8}. What is the range?

**Math**

You earn $7.25 per hour babysitting. Write and solve an inequality to find how many full hours you must work to earn at least $200

**math**

What is a function rule for the perimeter P of a building with a rectangular base if the width w is two times the length l?

**Math**

The general gist of the question: Peter has to go to an office store, an electronics store, a clothing store, and a sporting store. There are 4 office stores, 4 electronic stores, 8 clothing stores and 5 sporting stores. How many combinations are there? Do I need to do a ...

**english**

What are you trying to say? It all depends on what you're trying to express. If you're answering a question "When did x happen?" you should answer "X happened when I was spoon-feeding her soup." The key here is that every sentence is a complete, ...

**chemistry**

146 mL of wet H2 gas is collected over water at 29.0 degrees celsius and room pressure of 750 torr. give the volume of the dry H2 gas collected at STP, give the mass of the dry H2 collected, and give the volume of the dry H2 at room conditions and the volume of H2O in the ...

**algebra 2**

27x^3-8=0 (difference of two cubes)

**bonar law**

I just want to know if when I am doing this equation, that the answer to b) is figuring out the x-intercept

**6grade**

5*5*2*

**Math**

You would start by substituting 729 for V in the equation of s=v^1/3, making it 729^1/3. 729^1/3 can be seen as the 3rd root of 729. Simply type that into your calculator. The answer once entering the equation in a calculator is S=9. So, the side length is 9 ~ ^^

**social studies**

It affected them because there was more demand for them and a lot of big plantations.

**physics**

how do you find the initial velocity and final velocity of a ball shot up and off a cliff using only the distance and max height and time

**English**

How did boy come into modern English

**Ecology**

4. B 5. D 6. C 7. D 8. B 9. B? 10. D

**grammar**

what would be a good thesis for a Jay Z paper?

**Physics**

A 325 kg boat is sailing 15.0 degrees north of east at a speed of 2.00 m/s. Thirty seconds later, it is sailing 35.0 degrees north of east at a speed of 4.00 m/s. During this time three forces act on the boat: a 31.0 N force directed 15.0 degrees north of east (due to an ...

**Math**

Order of operations Solve: 8_2_1_3_4=5

**chemistry**

You have a stock solution of 14.0 . How many milliliters of this solution should you dilute to make 1350 of 0.280 ?

**st mags**

what are shallow places in the ocean called

**physics**

where do you get the equation v1²/(2a)

**equation**

solve graphically. x^2 + y^2 = 10 y = 3x

**accounting**

What is incorrect acceptance?

**Physics**

4.48 rad

**hca 210**

Wow Joey, For someone telling someone to "GROW UP!!" you sure are ignorant to the idea yourself. FYI its pocket not poket. Also, its people like you, who are killing this country. Get an education, get a good job that provides health insurance, and get off the ...

**Biology**

What is the target organs for Luteinizing Hormone and the Follicle Stimulating Hormone?

**Biology**

Hi there, I have to do a paper on Luteinizing hormone and Follicle Stimulation Hormone. Could you direct me to newspapers or journal articles discussing both hormones individually and it's relation to homeostasis. Also, what is the chemical nature of the L.H. and F.S.H. (...

**music**

what is one of the chief characteristis of beethovens music

**Global History**

Turning point of world war 2 and the causes of world war 2.

**social studies**

How and why are hate groups protected by the constitution?

**math**

Bert is planning to open a savings account that earns 1.6% simple interest yearly. He wants to earn exactly $240 in interest after 3 years. How much money should he deposit?

**science**

What is a result of scientific research in the field of genetics

**Chemistry**

How many moles of bromine are obtained from 6.75 moles of oxygen?

**English**

yes i did see those

**English**

none of that helped me

**English**

I need 3 themes and 4 quotes per theme for the book the bluest eye by toni morrison. i have one theme completely done. my other theme is sexual initiation and abuse, but i have no quotes for it. and i still need one more theme. help?

**Chemistry**

Assuming complete dissociation of the solute, how many grams of KNO_3 must be added to 275mL of water to produce a solution that freezes at -14.5C? The freezing point for pure water is 0.0 C and K_f is equal to 1.86 C. Delta T= Kf*m*i i=2 m=3.90 solvent 275=.275L Moles=1.07 ...

**Child Care**

You the owner of XYZ Day Care, buy a new van for your business. The van costs $20,000, all of which you borrow from First American Bank. What describes the journal entry for this transaction?

**math**

100x(second power) - 64y(second power)+

**Stats**

A manufacturer of golf equipment wishes to estimate the number of left-handed golfers. How large a sample is needed in order to be 90% confident that the sample proportion will not differ from the true proportion by more than 2%? A previous study indicates that the proportion ...

**social studies**

Would entertaining the british monarch be one of the U.S. presidents duties as chief of state?

**social studies**

would the governor of hawaii born in japan to american parents be eligible to run for president? What about an 80-year old man with only an elementary school education?

**6th grade**

help me get the answer that = 2 but you haave toput the right signs so it gets that number here are the numbers 17 25 30 3

**math 5th grade**

need to round 21,079,000 to nearest 100 thousand

**law**

what is the procedures of a jury trial

**Math (Word Problem)**

Imagine that you have just taken out a loan for one year for $4,500. What would be the simple interest on this loan if the annual percentage rate were 6.5%?

**math**

1.Thompson Security has been hired to determine the number of visitors at Argon Mall on a typical 10-hour day. They counted the number of people who entered the mall during three 1-hour spans on Wednesday, August 10. They entered the data into a table as shown. ï‚&#...

**algebra**

(3y-1) + 2y = 9 5y - 1 = 9 5y = 10 y=2 x=3(2)-1 x=5 (5,2)

**4th grade spelling**

i want to know about speling

**SEARCH AND RESCUE TRAINING**

Actually, the answer to this question is A. An individual team, such as one person and its dog, must clear the area and search through what might be hundreds of clues. However, as a TEAM the goal is the find the missing person.

**Math**

aflyerquacker

**math**

can you help me with mutiplication?

**Air Table**

... continued If momentum was lost in a momentu, vector diagram, it would be because not enough force was applied to the pucks on the air table?

**elastic collision**

Also, is it important to apply force on the mass as little as possible because it will allow the system to gain momentum?

**conservation of momentum**

However there was a gain of momentum in the experiment, so what would that mean, that i put too much force on the pucks?

**conservation of momentum**

If you have two pucks elastically collide on an air table, and then analyze the momentum vector diagram of the situation, you encounter an increase in momentum. What are possible reasons as to why there was a gain of momentum. Note: Both pucks were pushed from the end of the ...

**SOC**

I am having a hard time finding sources on juvenile crime (delinquency) in Chicago. Thank you

**art**

What exactly are modern and contemporary art? For school, I have to paint a piture that relates to a certain part of speech as well as a certain type of art era/period. I'm almost finished, so now i just want to know how to EXPRESS modern or maybe even contemporary art in ...

**Chemistry**

Hi can someone please help with this question, or atlest direct me in the right direction. Please and thank you. The initial rate of reaction H2O2(aq) --> H2O (l) + 1/2 O2(g) is found to be1.7*10^-3 M/s . Assume that this rate holds for 2 minutes. Start with 165ml of 1.55M ...

**social studies**

why does America get lots of energy, while older countries get less?

**Chemistry**

How do you determine what ionic substance has more exothermic lattice energy? for example if you compare NaCl and KCl???

**Science**

What is the relevance of Lysis, virion and virology in the study of viruses

**Oceanography**

If the chlorinity of a sample of seawater is 5.5 0/00, what is the salinity in parts per thousand? Round your answer to the nearest tenths place. Basically, if ANYONE...knows anything about how to do this, or knows the answer or any information that could help me...I have no ...

**english**

What is a frame story

**Math integrals**

What is the area of the region bounded by y=x^2, the tangent to this parabola at (1, 1) and the x-axis? Since it says that the parabola passes through 1,1 can I assume that the line is y = x or is that completely wrong? Doing that I got ∫ x - x^2 dx (where the interval ...

**science**

What did Boyle have available, which the Greeks did not, that made his work scientifically valid?

**Hypothesis Testing/P-Value**

Listed below are the # of homeruns for the National League leader over the last 20 years. Assuming that # of homeruns is normally distributed, if this is sample data collected from a population of all past & future homerun leaders, test the claim that the mean homerun leader ...

**Statistics: 82% Confidence Interval**

Thank you - that helped a lot!

**Statistics: 82% Confidence Interval**

I'm having some difficulty with this problem: Over the last 15 Major League Baseball seasons, the mean # of strikeouts by the American League leader is 258.5. Assuming that the # of strikeouts by the league leader is normally distributed & the standard deviation for all ...

**Statistics/Confidence Intervals**

Over the last 15 Major League Baseball seasons, the mean # of strikeouts by the American League leader is 258.5. Assuming that the # of strikeouts by the league leader is normally distributed and the st. dev. for all seasons in all leagues is 34.9, find the 82% Confidence ...

**Confidence Intervals**

Over the last 15 Major League Baseball seasons, the mean number of strikeouts by the American League leader is 258.5. Assuming that the number of strikeouts by the league leader is normally distributed and the standard deviation for all seasons in all leagues is 34.9, find the...

**Applied Dog Behavior**

The answer is C. FYI Poodles don't chase rabbits.

**dog behavior**

The answer is B, an extinction burst.