# Posts by Jose

Total # Posts: 516

**math**

y=-2x+1

**physics**

A 5.75 µC and a -2.61 µC charge are placed 19.8 cm apart. Where can a third charge be placed so that it experiences no net force?

**physics**

two point charges have a total charge of 277 µC. When placed 2.00 m apart, the force each exerts on the other is 20.8 N and is repulsive. what are the charges on both?

**physics**

What is the magnitude of the force a +23 µC charge exerts on a +3.5 mC charge 49 cm away?

**statistics**

A researcher wants to determine if two brands of cigarettes contain the same amount of nicotine. The data is shown in the table. With a significance level of 0.05 to that conclusion can be reached. Set the interval for a confidence of 95% Sample A: 40.3 37.5 37 41.7 29.8 33.5 ...

**statistics**

A company is considering installing new machines to assemble its products. The company is considering two types of machines, but it will buy only one type. The company selected eight assembly workers and asked them to use these two types of machines to assemble products. The ...

**statistics**

A researcher wants to determine if two brands of cigarettes contain the same amount of nicotine. The data is shown in the table. With a significance level of 0.05 to that conclusion can be reached. Set the interval for a confidence of 95% Sample A: 40.3 37.5 37 41.7 29.8 33.5 ...

**statistic**

A company is considering installing new machines to assemble its products. The company is considering two types of machines, but it will buy only one type. The company selected eight assembly workers and asked them to use these two types of machines to assemble products. The ...

**calculus**

A cylindrical metal can with an open top is to be constructed. the can must have a capacity of 24pie cubic inches. the metal used to contruct the bottom of the can costs 3 times as much as the metal in the rest of the can. Find the dimensions(radius and height) of the can that...

**math**

what is the resipical of 9

**physics**

you grab the diameter divide it by 2 4.9 / 2 = 2.450 You them grab the answer above and covert it (miles to meters) by multiplying it by 1609.34 2.45 x 1609.34 = after you have the answer for above square root it and that will give you the final answer in rad/s

**chemistry**

Calculate the temperature change in the water upon complete melting of the ice. Hint: Determine how much heat is absorbed by the melting ice and then use q =mC*Delta T to calculate the temperature change of the 314 g of water. under the following conditions: A 14.7 g ice cube ...

**chem**

You can use the Density equation: Density=Mass/volume. They give you the volume and density so you need to manipulate the Density equation to solve for mass. That should give you the grams of acetone in the bottle of acetone and you can use that to solve for the acetone ...

**Chem**

A 12.3 vessel was found to contain N2, Ar He, and He. The total pressure in the vessel was 987 torr and the partial pressures of nitrogen, argon, and helium were 44 torr, 486 torr, and 218 torr, respectively. What was the pressure of neon in the vessel?

**Math**

If you have 21tiles and there are twice as many blue than red and twice as many red than green how many red green and blue are there.

**physics**

89

**Biology**

When living cells break down food molecules, energy is A)stored as a phosphate group added to ADP. B)stored as ATP. C)released as heat. D)all of the above

**project management**

How did it contribute to gross underbids and successive cost escalations?

**chemistry URGENT!**

No you fuc*ing morons...

**Enaglish**

avoiding predicate subject mismatching how to correct this sentence Measles is where a viral infection causes skin eruptions.

**6th grade**

how to solve equations containing integers?

**ALgebra**

use slopes to show that the triangle with vertices (-2,7), (6,9) and (3,4) is a right triangle. write an equation of the line that has y-intercept 5/7 and is parallel to the graph of 6x-3y=1

**ALgebra**

find an equation of the line containing, (4,-2) and parallel to the line containing (-1,4) and (2,-3) find an equation of the line containing (-1, 3) and perpendicular to the line containing (3,-5) and (-2,7)

**math**

Tell how you could use line to determine which of two number is greater

**math**

Write three number that are greater than 1,543,000 but less than 1,544,000

**algebra**

one plane left an airport at 11:30 am. A second plane, traveling at 320 mph left the same airport at 1:00 pm and overtook the first plane at 4:30 pm. At what speed was the first plane traveling?

**Science**

i magine that you push that same box with a force of 30 newtons over a distance of 2 meters how much work have you done

**math**

Alieta was playing the "win a flat"game and had 7 ten rods and 3 unit squares. She rolled a 9. How many ten rods does she have after the exchanges are made?

**Computer Flowcharts**

no clue

**geography**

if a city has a latitude of 45 degree south, what can you infer about their climate.

**english**

identify the verb,subject in the sentence.a cloud of fruit flies hovered over the banana

**math**

A video game store charges a monthly membership fee of $7.50 but the charge to rent each movie is only $1.00 per movie. Another store has no membership fee but it costs $2.50 to rent each movie. How many movies need to be rented each month for the total fees to be the same ...

**Math**

So if i eliminate C first would the resulting two equations be: (8/3A) + (8/3B) = 1 (1/A) + (1/B) = (-8/20) ???????

**Math**

A and B caan finish typing a manuscript in 8/3 days; B and C together, in 40/9 days; A and C together in 20/7 days. How long will each, working alone type the manuscript?

**calculus**

I have an even number of coins in my pcket exactly one third of them are dimes. Draw or stampo the coins i could have in my pocket. Record thir value.

**Ap Physics**

I am so sorry but ellll tothero cannot teach so.

**Trig**

verify following trigonometric identities. 1/sec0tan0 = csc0 = sin0

**math**

Evaluate each expression for p=3. 6p-16

**chemistry**

DeltaH=TdeltaS

**Individual Income**

19. Dan's taxable income falls in the 15% tax bracket. Included in his taxable income is $5,000 of ordinary dividends, of which $2,000 are qualified dividends. The amount of tax Dan will pay on his qualified dividends is: a. $300. b. $0. c. $250. d. $100. e. $200.

**math**

how many combinations of coins equal 2.00 when given 12 quarters, 10dime ,10 nickels and 20 pennies.

**Math 116**

yea sorry

**Math 116**

The lengths will have to be greater than 24 or 24<

**math**

What's that formula called?

**math**

Okay I got this question on a test. I am not sure what I am supposed to do here. Can you show me how I would go about solving this. A basketball player can jump 33in vertically. Find his hang time. Round to the nearest tenth. Thanks

**math**

what is 4j-3=5

**rational expressions**

1)Can z+6/z+1 be reduced any further? 2)Add and simplify (v/v^2+8v+16) + (4/v^2+7v+12) 3)For this second binomial do you change the the sign of the second term? Subtract and simplify (1-y/y-2) - (9y-8/2-y) 4)Solve (4/5)+(1/2)=(1/x) 5)(8/x)=(9/x)-(1/2)

**math**

1)Can z+6/z+1 be reduced any further? 2)Add and simplify v/v^2+8v+16 + 4/v^2+7v+12 3)For this second binomial do you change the the sign of the second term? Subtract and simplify 1-y/y-2 - 9y-8/2-y 4)Solve 4/5+1/2=1/x 5)8/x=9/x-1/2 Thanks!

**introductory algebra**

I had these problems on my test and for some reason got them wrong. Here are the problems: Solve: x-y=9 x+y=1 The test states that the answer is (5,-4) I've checked ,y work and used substitution to solve this and still get x=4, y=-5. The second problem is: Solve the system...

**How Children Learn**

. A Correct 2. C Correct 3. C Correct 4. A Correct 5. C Correct 6. A Correct 7. D Correct 8. C Correct 9. A Correct 10. C Correct 11. D Correct 12. B Correct 13. A Correct 14. A Correct 15. B Correct 16. C Correct 17. C Correct 18. B Correct 19. C Correct 20. A Correct

**english**

What does this mean? If you are home studying…I hope you’re at least doing so outside! I am foreign exchange and I do not understand this. Thank You.

**Science**

How is the kinetic-molecular theory related to specific heat, joules, and calories??

**CHEMISTRYYY**

this isnt the right way. i used this way and i got a different asnwer

**reading/language please check**

When is the best time to read review the discussion questions? A. Immediately after you have finished all of the reading. B. After you write your notes. C. Before you begin any detailed reading. D. At least 1 hour after your detailed reading.

**chemistry**

how to write a net ionic equation of CaS+CuCl2

**IPC**

IF THE SIDE OPPOSITE A 45 ANGLE IN A RIGHT TRIANGLE 12.5 METERS, HOW LONG IS THE ANGLE?(ROUND THE ANSWER TO THE NEAREST TENTH)

**PHYSICS**

The magnetic field inside an air-filled solenoid 39 cm long and 2.0 cm in diameter is 0.85 T. Approximately how much energy is stored in this field?

**PHYSICS**

What is the inductance L of a 0.40 m long air-filled coil 3.2 cm in diameter containing 10,000 loops?

**PHYSICS**

What is the inductance of a coil if the coil produces an emf of 8.20 V when the current in it changes from -28.0 mA to +31.0 mA in 45.5 ms?

**PHYSICS**

If the current in a 100 mH coil changes steadily from 25.0 A to 10.0 A in 375 ms, what is the magnitude of the induced emf?

**Chemistry**

No, it C BECAUSE THE ELEMENTS NEED TO BE IN THE MOS ESTABLE STATE C(S) AND O2(G)

**PHYSICS**

A 14 cm diameter circular loop of wire is placed in a 0.58 T magnetic field. (a) When the plane of the loop is perpendicular to the field lines, what is the magnetic flux through the loop? (b) The plane of the loop is rotated until it makes a 36° angle with the field lines...

**PHYSICS**

A 29.4 cm long solenoid 1.10 cm in diameter is to produce a field of 0.360 T at its center. How much current should the solenoid carry if it has 1000 turns of the wire?

**physics**

A thin 12 cm long solenoid has a total of 460 turns of wire and carries a current of 2.1 A. Calculate the magnitude of the field inside near the center.

**chemistry**

what is the maximum number of grams of PH3 that can be formed when 6.2 g of phosphorus reacts with 4.0 g of hydrogen to form PH3

**optics ray tracing**

light travels in a straight line, why is this important for the technique of ray tracing?

**Business**

I need like an outline to help me write this...maybe even if it was started for me

**Business**

Prepare a 600 to 700 word analysis of the relationship between humans and time. Include a description of the historical development of the human ability to conceptualize and measure time. Also, examine why humans have a need to measure time, and describe how the ability to ...

**science**

does carbonation or amountof caffeine in a drink or liquid affect plant growth?

**ur papa**

pizza

**Algebra with pizzazz**

add the 7 to 17 4x>24 divide by 4 x>6

**Calculus**

A manufacturer sells a certain article to dealers at a rate of $20 each if less than 50 are ordered. If 50 or more are ordered(up to 600) the price per article is reduced at a rate of 2 cents times the number ordered. What size order will produce the maximum amount of money ...

**Calculus**

A manufacturer sells a certain article to dealers at a rate of $20 each if less than 50 are ordered. If 50 or more are ordered(up to 600) the price per article is reduced at a rate of 2 cents times the number ordered. What size order will produce the maximum amount of money ...

**health**

what a lymph node is

**Physics**

the temperature of ice according to our physics teacher is -5 degrees celcius

**Physics**

How many grams of ice must be added to 100 grams of water at 60 degrees so that its temperature drops to 20 degrees celcius? As far as i know I have to use: (Mass)*(specific heat of water) *(finaltemperature - initial temperature = ??

**Chemistry**

what is the density that has a mass of 77.0 g and a volume of 36 mL?

**Chemistry**

what is the density that has a mass of 77.0 g and a volume of 36 mL?

**Math**

What it 120+119+118+117+116...+2+1

**Statistics**

population

**6th grade**

At 36 degrees, how long will it take for a sheet of ice 5' x 5' 6" deep to melt?

**6th grade**

nation that conquered many areas of india

**7th grade**

what is the gcf of 35a^2 and 85ab

**Statistics**

List Six deceptive graphical techniques.

**Statistics**

List Six deceptive graphical techniques.

**Statistics**

List Six deceptive graphical techniques.

**math**

the answer is... do it urself so u can learn it !

**algebra**

what is 4 to 4th power and show the process?

**Math/Biz Math**

I am so lost. Did I answer these problems right? Bud Ray is the owner of an automatic car wash located in a busy side of town. He currently has all the business he can handle and then some. His business has grown steadily over the years. His current car wash equipment is in ...

**Enchancing Children's Self-Esteem**

. D Correct 2. C Correct 3. A Correct 4. B Correct 5. D Correct 6. C Correct 7. B Correct 8. C Correct 9. A Correct 10. B Correct 11. A Correct 12. B Correct 13. D Correct 14. D Correct 15. B Correct 16. C Correct 17. D Correct 18. B Correct 19. B Correct 20. A Correct

**Physics**

2.0 E2 J convert 10 kg to Newtons 10 kg = 98.0665 Newtons W = F(d) W = 98.0665 (2) W = 196.133 W = 2.0 E2 J when rounded 27J W = F (d) W = 9.0N (3.0m) W = 27J Time doesn't matter here

**Algebra (Different Problem)**

13×+5×=3

**social studies**

north America,south America and the island in the caeibbean sea are the major lands in the

**social studies: geography**

Great p Lains

**social studies: geography**

what feature makes up part of the us border with Canada?

**Number Line**

I help and on this problem communicate how can you find what each mark represents on a number line

**Geometry**

Can someone please kind enough to explain this questions for me. Thank you What are some examples of other important polyhedra? What characteristics help you determine whether a polyhedron is regular or irregular? How can you check for symmetry and rotational symmetry of ...

**algebra 2**

what is the proper thing to say when you introduce a hamburger?

**BUSINESS**

Question What are the differences between an internal proposal and an external proposal? Also I need to summarize why the two proposal types are different in terms of the following elements: Consider the following scenario: Management at your project management firm wants to ...