# Posts by Angel

Total # Posts: 1,137

**Physics**

A baseball with mass of 0.145 kg is thrown straight down at the ground. At a particular speed, it has a drag force of 0.4 N acting on it. What is its acceleration at that time? -2.8m/s^2

*December 21, 2014*

**Math**

I do not know.

*December 17, 2014*

**Organic Chemistry**

Label the following reaction components as weaker acid, conjugate base and the species that predominate at equilibrium (two may be present for this one) ethylamine + acetone (equilibrium arrows) ethylammonium + acetone enolate Please help!

*December 6, 2014*

**Help - involving economics**

Oh wow, I never even thought of that. Thanks! :)

*December 5, 2014*

**Help - involving economics**

So if the federal government decided to increase the minimum wage by $1/hr, what could be some economic affects of that? I already thought of the fact that people will get paid more, but I can't think of any more. Can you help?

*December 5, 2014*

**Statistics**

Assume that a procedure yields a binomial distribution with n=3 trials and a probability of success of p= 0.90. Use a binomial probability table to find the probability that the number of successes x is exactly 1.

*December 2, 2014*

**statistics**

The 95 percent confidence interval about a mean difference was -3.0 minutes to 6.5 minutes. The null hypothesis that the two population means are equal

*November 16, 2014*

**Derivative**

Okay, I will get to familiarizing myself with the derivative of the trig functionss. Thanks you so much, I really appreciate all the work and patience you tutors have :)

*November 16, 2014*

**Derivative**

Can you help me find the derivative of y= cos(x)/1+sin(x).. the / is a fraction bar. I have a hard time finding trig derivatives because I don't really know what the derivative of cos,sin ,or tan would be honestly.

*November 16, 2014*

**math**

Is this correct- 0.685 x 100 =68.5

*November 16, 2014*

**Math**

16 students do not prefer school uniform. 4 students prefer school uniform. What percent prefer uniforms and what percent do not. What is the relationship between these two percents?

*November 13, 2014*

**math**

thank you so much.

*November 13, 2014*

**math**

what percent would 8/45 be

*November 13, 2014*

**Math**

Marti works Monday through Saturday, so she has a day off once every 7 days. She needs to give her dog some medicine every 5 days. How often does she give her dog medicine on her day off?

*November 11, 2014*

**PHYSICS**

you could use thus formula: P=F/A

*November 10, 2014*

**English/grammar**

yeah. it's correct.

*November 10, 2014*

**physics**

Speed in air is 340m.s Siren of ambulance emits waves of frequency 980Hz A detector at the scene measures the frequency as 1050Hz h0w d0 I w0rk this 0ut 1050 = 340 / 340 - vs (980) 1050 = 1 - vs (980) 1050 = -vs (980) 1050 + vs = 980 1050/1050 + vs = 980 / 1050 vs = 980 / 1050...

*November 5, 2014*

**history**

Who was the titan of industry, or the so-called robber baron, most closely associatedwith the railroad industry.

*October 26, 2014*

**Reading/English**

Need help on identifying root word,suffix and prefix for control.

*October 23, 2014*

**math**

Selena and her friends went out to dinner. The bill came to $56.25. If the the tax rate is 7.5 percent and they left a 15 percent tip. How much money did they spend at the restaurant ?

*October 12, 2014*

**sci207**

Climate change studies suggest the worst impacts will be felt by the wealthiest people true false

*October 12, 2014*

**math**

I don't get it

*October 12, 2014*

**math**

You are right

*October 12, 2014*

**math**

Selena and her friends went out to dinner. The bill came to $56.25. If the the tax rate is 7.5 percent and they left a 15 percent tip. How much money did they spend at the restaurant ?

*October 12, 2014*

**Math**

Farmer Jane has only pigs and chickens on her farm. She can't remember how many of each she has but she does know she counted 110 legs and 35 heads. Assuming that each animal is normal, how may of each animal does she have?

*October 5, 2014*

**Social Studies**

I have all the answers for the test (except for 13. and 14.). I just took it. 1. C 2. B 3. C 4. A 5. A 6. D 7. A 8. D 9. B 10. A 11. D 12. B Now, one of these answers are wrong but I don't remember which. I have to wait until my teachers grade it. I know these answers may ...

*October 3, 2014*

**math**

Farmer john has hens, geese, ducks, and two goats the number of hens equals the number if geese and ducks combined . There are 5 fewer geese than ducks. If the total number of animals is 40 how many are ducks

*September 25, 2014*

**math**

how many ways can you choose two colors from green, orange, yellow, purple, blue, and silver?

*September 19, 2014*

**stats**

The following data represents Total Credit Hours from our class survey. 90 54 98 45 65 43 12 48 56 12 15 60 38 18 67 125 50 43 26 64 22 52 69 You may use your calculator to find the following statistics: Considering the Total Credit Hours data from our class survey: (A1) What ...

*September 18, 2014*

**math**

An automobile rental angency charges $170 for 5 days for a certain model car. What is the unit price in dollars per day? why is it 59/3gal

*September 17, 2014*

**Stats**

The following frequency table shows the Favorite Color data from our class survey. Color Frequency Black 2 Red 3 Blue 4 Green 6 Pink 3 Orange 2 Gray 1 Purple 1 White 2 Describe the variability for this data

*September 17, 2014*

**math**

amos has 12 action , 15 comedy,. and 9 drama dvds, find the ratio of action dvds to the total number of dvds.

*September 15, 2014*

**chemistry 1045L**

The volume of a sphere is given by V=(4)(3.14)(r^3)/3 where r is the radius of the sphere. what is the density in g/mL of a sphere which weighs 2.00lb and has a radius of 3.50 inches?

*September 15, 2014*

**math**

7x9=63

*September 10, 2014*

**Math**

???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

*August 26, 2014*

**chemistry**

the vapor pressure of pure water at 60 c is 157 mmHg. what is the vapor pressure of this solution at the same temperature, in mm Hg?

*August 25, 2014*

**chemistry**

Ions in aqueous solution that are surrounded by polar water molecules are said to be saturated. is it true or false?

*August 22, 2014*

**chemistry**

hydrogen gas has a Henry's law constant of 1.07e-6 M/mm Hg at 25 Celsius when dissolving in water. if the total pressure of gas (H2 gas plus water vapor) over water is 1.0atm, what is the concentration of H2 in the water in grams per milliliter?

*August 22, 2014*

**math**

C is the answer

*August 19, 2014*

**Math**

from a lockout tower 25 meters high, a man observes from a position 1.70 meters below the top of the tower that the angle of elevation of the top of a nearby building is 12 degrees 40 minutes and the angle of depression of its base is 70 degrees 20 minutes. If the base of the ...

*August 14, 2014*

**Trigonometry**

can u pls draw an illustration on the second problem? thanks!

*August 2, 2014*

**Math**

the formula for slope is rise over run. slope=rise/run. just substitute it to the given. where rise is x and run is y.

*July 28, 2014*

**Social study**

it is called multi purpose projects because it serves more than one purposes.

*July 28, 2014*

**Ultimate medical academy**

What are at 10 least factors which have influenced healthcare?

*July 12, 2014*

**Economics**

Are there any welfare or subsidy payments that should be reviewed or added?

*June 24, 2014*

**math**

what is the sum when 101111 is added to the 6digits number?

*June 12, 2014*

**english**

traditional african marriage is an advantage to men and women

*May 27, 2014*

**science**

The answer is not C that makes no sense. They have no specialized neurons is the answer. They do have sensory neurons matter of fact the more complex an animal’s nervous system is, the more specialized its sense organs are. So the answer is definitely A.

*May 23, 2014*

**science**

The answer is B. Motor neurons. sensory is smell, touch, hear ect. the motor is the response to the sensory.

*May 23, 2014*

**chemistry**

A sample of gas occupies 100ml at 27degree Celsius and 740mm pressure. The temperature the gas will have,when its volume is changed to 80ml at 740mm pressure is?

*May 19, 2014*

**Chemistry**

A sample of gas occupies 100ml at 27 degree Celsius and 740mm pressure. The temperature the gas will have,when its volume is changed to 80ml at 740mm pressure is?

*May 19, 2014*

**math**

There were 744 tickets sold for a basketball game. The activity cardholder's tickets cost $1.75 and the non-cardholders tickets cost $2.25. The total amount of money collected was $1477.50. How many of each kind of ticket were sold?

*May 8, 2014*

**math**

An actor invests some money at 7%, and $44000 more than three times the amount at 10%. The total annual interest earned from the investment is $41770. How much did he invest at each amount

*May 8, 2014*

**Geometry**

Find the coodrinates of the other endpoint of the segment given (-24,15) is the midpoint and one of the endpoint is (-18,10)

*April 30, 2014*

**Social Studies**

1. In The Eastern Orthodox Church, icons Were?. A. Once Forbidden B. Always Against Religious Law C. Never Important D. Very Important (My Answer) (2.The Pope Is The Leader Of ?) A. The Roman Catholic Church (Answer) B. The Greek Othodox Church C. The Roman Gods D. The ...

*April 8, 2014*

**English II B**

chicken

*April 3, 2014*

**Pre Algebra**

The low temperature for 6 consecutive days in a Montana city were 9°,3°,4°,16°,11°,and 5°. What would the low temperature have to be on the seventh day to have a mean low temperature of 6°for the week?

*April 3, 2014*

**Statistics**

Twelve different video games showing substance use were observed and the duration times of game play ( in seconds) are listed below. The design of the study justifies the assumption that the sample can be treated as a simple random sample. use the data to construct a 95% ...

*March 24, 2014*

**Math**

Mrs. Meier had 3/5 kg of sugar. She used 1/4 of it to make cookies. How much sugar did she use to make the cookies?

*March 19, 2014*

**Ethics**

2 is B

*March 16, 2014*

**science(check answers)**

B,B,D,A You only missed 2.It is a renewable resource

*March 11, 2014*

**Physics**

a BATH CONTAINS 100 KG OF WATER AT 60 DEGREES CELCIUS. HOT AND COLD TAPS ARE THEN TURNED ON TO DELIVER 20KG PER MINUTE EACH A TEMPERATURE 70 DEGREES CELSIUS AND 10 DEGREES CELSIUS RESPECTIVELY. HOW LONG WILL IT BE BEFORE THE TEMPERATURE IN THE BATH HAS DROPPED TO 45 DEGREES ...

*March 10, 2014*

**ethics please help**

Which of the following is associated with the Heinz dilemma? a. Lawrence Kohlberg. b. Jean Rousseau. c. Immanuel Kant. d. None of the above.

*February 23, 2014*

**Ethics**

Which philosopher argued that women are defective males? Answer a. Thales of Miletus. b. Plato. c. Socrates. d. Aristotle.

*February 23, 2014*

**ENG1511**

Why is 'first' in the first sentence of paragraph 8 in inverted comas?

*February 22, 2014*

**ms240l**

2x=18 y if y=kx where is the constant of prooortionality then what is the value of k?

*February 15, 2014*

**math**

i got 11:3 but unsure if that's right

*February 14, 2014*

**math**

There are 3 red paper clips, 5 yellow paper clips, and 6 silver paper clips in a jar. What is the ratio of the total number of paper clips to the number of red paper clips? 14:3 11:3 3:14 or 3:11

*February 14, 2014*

**Math**

Everyone in Andy’s class has to do a science project. Out of the 20 students, 80% have completed their project. How many students still need to finish their projects (got 4 students)

*February 14, 2014*

**Math**

i took 8 and 5 from 85 and 50 but i couldn't think straight i feel weak

*February 14, 2014*

**Math**

so its 5:8?

*February 14, 2014*

**Math**

Emily has 85 books on her bookshelf. Of those books, 20% are mysteries, 18 are adventure stories, and the rest are fantasies. What is the simplified ratio of fantasies to total books on her bookshelf (i got 10:17 ) answers list:35:50 7:17 5:8 or 10:17

*February 14, 2014*

**Math**

Ms.Sue Help?

*February 14, 2014*

**Math**

A car travels 172 miles using 7 gallons of gas. At that rate, how far can the car travel using 42 gallons of gas ( i got 1,032 ) answers to choose:1,032 miles 1,548 miles 1,204 miles or 1,376 miles

*February 14, 2014*

**Math**

Yesterday, a parking lot had 60 cars parked in it. Of the cars parked in the parking lot, 40% were silver, 14 were red, and the rest were blue. How many of the cars were blue ( I Picked 6 cars) Answers To Choose:24 cars 38 cars 22 cars or 6 cars

*February 14, 2014*

**chemistry**

a 2.50-mole quatity of NOCL was initially in a 1.50-L reaction chamber at 400 degrees celcius. after equilibrium was established, it was found that 28.0 percent of the NOCL had dissociated. 2NOCL(g) <---> 2NO(g)+ Cl2(g)

*February 4, 2014*

**SCIENCE --- CHECK MY WORK PLS**

Nicole is actually correct. I got a 4/4 Answers: 1.D 2.C 3.B 4.B FazeBlazetaze, your the one who is actually wrong. I don't know what you did but this is a four question quick check so that means you cant get a 20% at all!!! You can only get 100%,75%,50%,25%, or 0%. Not A ...

*February 3, 2014*

**business**

. In two or three paragraphs, describe circumstances under which a company that is doing business online might want to use a warranty disclaimer

*January 31, 2014*

**Science**

Which of the following is the minimum level of structure needed to perform the function of waste removal? The answer is A. body system not cell Which two systems work with the muscular system to allow the body to move? Answer: B. skeletal and nervous

*January 20, 2014*

**science help plzzz**

Guys this is what happened... Jack was right until Connections Academy changed a couple of the answers and questions to the quick check. They do it all the time. Katsumi is still correct until Connections Academy changes the answers again.

*January 17, 2014*

**Algebra**

yes! thank you! I have another but I don't know how to put the picture into one of these boxes :)It's suppose to be a big triangle... In the figure below, the lengths of DE, EF, and FG are given, in units. What is the area, in square units, of triangle DEG? G...

*December 14, 2013*

**Algebra**

could you tell me how you got that answer?

*December 14, 2013*

**Algebra**

A 6-foot spruce tree is planted 15 feet from a lighted streetlight whose lamp is 18 feet above the ground. How many feet long is the shadow of that tree?

*December 14, 2013*

**Algebra**

Thank you!

*December 14, 2013*

**other**

he HIM department listed the following LOS data for the longest admissions for the month of September. What LOS is the 90th percentile? 43, 45, 54, 55, 59, 60, 62, 64, 66, 67, 67, 68, 68, 69, 70, 70, 71, 72, 74, 75

*December 8, 2013*

**science**

Exactly! @wow

*November 13, 2013*

**science**

ikr hahah

*November 13, 2013*

**Geometry**

I manage to get X^2+X^2=144

*November 6, 2013*

**Geometry**

The diagonal of a square measures 12 feet. a. What is the exact measure of a side of the square? b. What is the area of the square

*November 6, 2013*

**Geometry**

Find, to the nearest tenth of a centimeter, the length of a diagonal of a square if the measure of one side is 8.0 centimeters.

*November 6, 2013*

**statistics**

Find the uniform continuous probability for P(X < 27) for U(0, 50). I need the formula to figure out with 4 place decimal place as an answer

*October 28, 2013*

**Math**

The height is x someone please solve the problem

*October 9, 2013*

**English**

Identify the comma splice. A. Sheema applied for a summer internship she accepted a volunteer position at the hospital. B. Sheema applied for a summer internship, she accepted a volunteer position at the hospital. C. Sheema applied for a summer internship and she accpted a ...

*October 9, 2013*

**Chemistry**

Convert 1.445 +104m to km

*August 10, 2013*

**MATH**

(X+2) + 3 = 10 X + 1 HOW TO DO THIS ?

*June 12, 2013*

**Math**

4x+ (x+2)= 9x-10 How to do this ?

*June 12, 2013*

**GEOMETRY I BEG YOU PLEASE HUHUHU**

Points w,h and y and three points on a line with coordinates -2/3, 5/12, -sqrt of 7 / 6 . which point is between the other two ?

*June 12, 2013*

**math**

WHAT IS THE LCD OF 2, 29 AND 53 ?

*June 12, 2013*