Need Help

Can the Law of Conservation of Mass be applied to a chemical reaction in which a gas is produced? Yes. THe gas has mass.

18 years ago

Evaluate the expression x to the 4th power-2x to the 3rd power+5x squared+10x+12 for value of x=2 52

18 years ago

Can someone verify if my answers are correct? Solve. 1/x+6-1/x-6 My answer is: -12/x^2-36 Solve. 1/x+5+2=5/x+5 My answer is: -3 Subtract. Express your answer in simplest form. 13x/30-4x/15 My answer is: x/6 Can someone verify if my answers are correct? So...

18 years ago

x^2+2x-15/4x^2/x^2-25/2x-10 You need to use parentheses to clarify the meaning of what you wrote. You can't have a four-story fraction with three / signs x^2+2x-15 factors into (x+5)(x-3) There is also an (x+5) factor in x^2-25,and an (x-5) factor in 2x-1...

18 years ago

Express this function in vertex form by completing the square: 3x^2 - 4x + 1 PLEASE SHOW STEP BY STEP!!!

18 years ago

Silicate materials have a variety of crystalline structures, even though they are made from the same building blocks --- silica tetrahedra. what factors do you think affect the structures of silicate minerals as they are forming? please help

16 years ago

find the slope, if it exists, for the line containing the pair of points (-15.2,5.6) and (-13.2, 4.5) slope m= ?

16 years ago

How do I figure this out? The fax mailer brought a fax mcahine for $600. The fax machine depreciates at a rate of $20 a month. (a) find a function F that can be used to determine the value of the fax machine t months after purchase complete the model belo...

16 years ago

find the slop-intercept equation of the line that has the given characteristics. Slope 6 amd y-intercept (0,7) The slope-intercept equation is y=?

16 years ago

Write an equation of the line containing the given point and parallel to the given line. Express your answer in the form y=mx+b. (-5,7);2x=9y+4

16 years ago

A particle experiences a constant acceleration that is south at 2.50 meters per second squared. At t=0, its velocity is 40.0 meters per second east. What is its velocity at t=8.00 seconds?

16 years ago

a student makes a $10.25 purchase at the bookstore with $20 bill. The store has no bills and gives the change in quarters and fifty -cent pieces. There are 30 coings in all. How many of each kind are there? how many quarters are there in the change? ___ h...

16 years ago

Warm objects emit electromagnetic radiation in the infra-red region. Heat lamps employ this principle to generate infra-red radiation. Water absorbs infra-red radiation with wavelengths near 2.80um. Suppose this radiation is absorbed by the water and conv...

15 years ago

When should the patient be notified of purging and archaic or inaccurate information? I think it would be Procedures for purging the computerized data base of archaic or inaccurate data should be established and the patient and physician should be notifie...

15 years ago

A cylinder with a piston is filled with ideal gas. The gas temperature is held at 450 K. The cylinder is heated by an oven through a square metal rod connected between the oven and the cylinder. The rod has sides d = 2 cm and length L = 2.3 m. (a) If the...

14 years ago

Imagine you've finished this academic year and gone home to enjoy your summer vacation. During one of your days of relaxation and non-academic bliss, however, you realize you need to run a few errands. After stopping at the gas station where you fill the...

14 years ago

i need help please. idont understand this question. as he enter desdemona's bedchamber in order to kill her, othello mutters: it is the cause, it is the cause, my soul. what is he talking about? in what way might he be rationalizing Desdemona's murder? i'...

14 years ago

How do you find the base and height of the parallelogram if the area is 180 square units?

14 years ago

The coordinates of the vertices of a polygon are R(-4, 3), S(-4, -7), T(5, -7), and V(5, 3). Find the area and determine whether it is a parallelogram, rectangle, or square.

14 years ago

The area of triangle ABC is 494in^2. Find the height if AC = 19 inches.

14 years ago

The area of rhombus RSTV is 1326 Ft. Find SV if RT = 39 ft.

14 years ago

Find the base and height of the parallelogram if the area is 1395 square units.

14 years ago

Given the vertices of RST where R (3, 2), S (-1, 1) and T (0, 4), explain how you would solve for R’S’T’ after the translation (x, y) (x +3, y – 1).

14 years ago

A gallon of paint costs $20 and covers 465 square feet. Three coats of paint are recommended for even coverage. The room to be painted is 12 feet high, 20 feet long, and 20 feet wide. Only 4 gallons of paint are left to paint the room. Is this enough pain...

14 years ago

Given the volume of two cubes, find the scale factor. 6) V = 343 in3 and V = 729 in3 7) V = 1331 ft3 and V = 125 ft3

14 years ago

The scale factor of two similar solids is 7:5. 8) Find the ratio of volumes. 9) Find the ratio of surface areas.

14 years ago

Find the scale factor of the two spheres if g = 12 and h =10.

14 years ago

Determine whether each statement is always, sometimes, or never true. Two cones are similar. A pyramid is similar to a square. Two spheres with the same radius are congruent. Non-similar solids have different volumes.

14 years ago

Find the radius and diameter of the base of a cylinder if the surface area is and the height is 17.

14 years ago

Find the surface area of a cylinder if d = 16 in and h = 5.8 in. Round to the nearest tenth.

14 years ago

A gallon of paint costs $20 and covers 465 square feet. Three coats of paint are recommended for even coverage. The room to be painted is 12 feet high, 20 feet long, and 20 feet wide. How many gallons are needed to paint the walls?

14 years ago

Find the length of the prism if the volume is 565.6 feet. The prism is 4ft in height outside and 7 ft inside.

14 years ago

Find an expression for the function f(x) whose graph is given by the top half of the circle(x-3)^2 + y^2 = 121. f(x) = ????

14 years ago

Are eukaryotic or prokaryotic cells more advanced?

14 years ago

I need help on this math problem. The width of a certain painting is 5cm less than twice the length. The length of the diagonal distance across the painting is 107cm. Find the length and width. Round your answer to 2 decimal places. Substitute: diagonal d...

13 years ago

Suppose a student started with 129 mg of trans-cinnamic acid and 0.50 mL of a 10% (v/v) bromime solution, and after the reaction and workup, ended up with 0.216 g of brominated product. Calculate the student\'s theoretical and percent yields.

13 years ago

You drop the rubber ball from height h it bounces back to 60% of its original height. Write an equation you can use to find the height h?

13 years ago

15. The concentration of hydroxide ions in a solution of nitric acid 0.2 M is: a. 2 x 10-14 M b. 5 x 10-14 M c. 5 x 10-7 M d. 2 x 10-1 M 16. Aqueous solutions of strong acids and strong bases: a. are good electricity conductors b. make litmus paper become...

12 years ago

What amendment addressses the power balance between the national government and states? a)First b)Second c)Fourth d)Sixth e)Tenth

12 years ago

What is the term for the part of the story that sets up the story's ending? A)Exposition B)Conflict C)Falling Action D)Resolution C? Please Help!!

11 years ago

why does squeaky not know at first who has won the race in raymond's run? A)Raymond has climbed the fence B)The May Pole gets in the way C)The finish is very close*** D)Mr. Pearson speaks too softly

11 years ago

which of the following are impacts that the temperature climate has had on Georgia's development? A) encouraging crops with longer growing season B)Drawing immigrants from other locations C)encouraging tourism D)all of the above

11 years ago

Gary owns a car dealership that sells cars, SUVs and minivans. Gary has three times as many SUVs as Minivans. He has eight more cars than SUVs. If he has a total of 127 vehicles on his lot, how many of each type does he have?

9 years ago

In a paragraph, compare and contrast any two of the following forms of poetry: Concrete Haiku Limerick Your essay should include a specific description of each of the two forms you choose. Explain how the two forms are alike and how they are different. I...

9 years ago

The question is to evaluate each logarithm: My professor wants us to show work. Could you please tell me if I'm on the right track? Thank you!!! 1. log6^(1/36)= -2 2. ln(1/e^4)= 1/e^2 3. log7^1= 0 4. log4^64= ln64/ln4= 3 5. log10^8= ln8/ln10= .9031 6. log...

9 years ago

Hi there. My professor gave my class the practice problems for our final exam. I am a little stumped on a few of them and just need someone to help jog my memory. If you have the time, could you show the steps so I can see where I went wrong and practice...

9 years ago

1. Which social group is made up of warriors and rulers A vaisyas B sudras C kshatrias D Brahmins 2.The vaisyas are A common people B priests C unskilled laborers D untouchables

7 years ago

if n houses have k windows, write an expression to represent the number of windows for n + 1 houses n+ 1 = 4+4k

7 years ago

if n houses have k windows, write an expression to represent the number of windows for n + 1 houses nk + k or k(n+1) ie. (10 houses - 4 windows) (10 x 4 )+ 4 = 44 windows

7 years ago

Use the data given below to answer the following questions 68, 63, 67, 66, 65, 87, 69, 61, 86, 82, 28 A. What is the outlier of the data? Explain WHY you consider this number the outlier. B. Calculate the mean of the given data set. You must show your wor...

7 years ago

A rocket is fired vertically upward. At the instant it reaches an altitude of 2300 m and a speed of 279 m/s, it explodes into three equal fragments. One fragment continues to move upward with a speed of 224 m/s following the explosion. The second fragment...

5 years ago

which excerpt from the great fire supports the theme that people sometimes disregards others in chaotic situations?

5 years ago

I need help with this question. What are 2 characteristics of these to religions? Buddhism Hinduism

4 years ago

The sun causes a greenhouse effect on Earth. How is Earth impacted by the greenhouse effect?

4 years ago

How many solutions does the following system of equations have? 3x - 3x + 3 = 3

4 years ago

A standing wave fixed at one end in 4th overtone has length 20m. If the temperature is 25 degrees celsius. What is the frequency?

4 years ago

I need help with portfolio and dont know how to do it. Plz help.

3 years ago

Because I searched up all the answers and this is what i got. 1. D, use of linear perspective 2. A, more people learned Latin. 3. A, growing wealth in the cities 4. D, The Canterbury Tales, by English writer Geoffrey Chaucer 5. C, It has arches and column...

3 years ago

I need help what are the answers for the questions: 1. What was the significance of the expedition led by Bartolomeu Dias? 2. How did the defeat of the Aztec and Incan empires enrich the Spanish monarchy? 3. How did the introduction of horses affect Nativ...

3 years ago

Simplify (9x^3 + 2x^2 -5x +4)-5x^3 -7x+4) Hello I am a little confused on how to do this if you can show me all the work or give me the steps I need to complete this myself that will help thank you and have a great day

3 years ago

Trevor has 2 tickets to the Super Bowl. He paid 250$ for each ticket. He thinks he can sell them for 175% of what he paid. How much will he charge for BOTH tickets? How much profit will he make if he sells the tickets?

2 years ago

A cheetah can run 70 miles in 60 minutes. What is the cheetah’s unit rate of speed?(1 point)%0D%0AResponses%0D%0A%0D%0A70 mileshour%0D%0A70%0D%0A %0D%0Amiles%0D%0Ahour%0D%0AStart Fraction 70 miles over hour End Fraction%0D%0A%0D%0A70 miles60 minutes%0D%0A...

1 year ago

What is a cup a measure of?(1 point)%0D%0AResponses%0D%0A%0D%0Alength%0D%0Alength%0D%0A%0D%0Atime%0D%0Atime%0D%0A%0D%0Avolume%0D%0Avolume%0D%0A%0D%0Amass

1 year ago

How many kiloliters are in 200 liters?

1 year ago

About how many centimeters are in 3 feet 6 inches? There are 12 inches in one foot and approximately 2.54 centimeters in one inch.(1 point)%0D%0AResponses%0D%0A%0D%0A106.68 centimeters%0D%0A106.68 centimeters%0D%0A%0D%0A42 centimeters%0D%0A42 centimeters%...

1 year ago

A train travels 3 km per minute. What is the train’s speed in miles per hour? There are about 1.6 kilometers in 1 mile.%0D%0A%0D%0A60 minutes = 1 hour%0D%0A%0D%0A(1 point)%0D%0AResponses%0D%0A%0D%0A288 miles per hour%0D%0A288 miles per hour%0D%0A%0D%0A180...

1 year ago

According to psychologist Abraham Maslow, a person must have his or her physical needs, the need to feel safe, the need to belong, and the need for esteem met in order to reach%0D%0A(1 point)%0D%0AResponses%0D%0A%0D%0Aself-concept.%0D%0Aself-concept.%0D%0...

1 year ago

Thanks for the speedy response! Here is my work: q = 1000 x 4.184 x 10 q = 41840 detalE = hc/wavelenght wavelenght = 2.8 x 10^-6 m deltaE = [(6.626 x 10^-34)(3.0 x 10^8)]/2.8 x 10^-6 delta E = 7.09 x 10^-20 m per photon Proportion: 1 photon = 7.099 x 10^-...

15 years ago

What i got was goods and a marketing strategy to local cities and county ( mom and pop stores) but I need help with rest of the question????

14 years ago

The coordinates of the vertices of a polygon are R(-4, 3), S(-4, -7), T(5, -7), and V(5, 3). Find the area and determine whether it is a parallelogram, rectangle, or square.

14 years ago

can show the step ? pls

13 years ago

U dint solve the question, that's is no mass

13 years ago

I just forgot what to do lol sorry

13 years ago

I need help! Please!

11 years ago

pls help

11 years ago

In other words, what equation can I use to for splitting the gold evenly.

11 years ago

With the information given.

11 years ago

Please come and help Ms.Sue

9 years ago

Maybe This will help out: Friction and weight are common experiences and taken for granted, but were not always understood. Aristotle believed that objects that contained the "element," earth, fell because Earth was at the center of the universe, and that...

9 years ago

Maybe This Will Help :): In an event that is widely acknowledged to have sparked the outbreak of World War I, Archduke Franz Ferdinand, nephew of Emperor Franz Josef and heir to the Austro-Hungarian Empire, is shot to death along with his wife by a Serbia...

9 years ago

Don't copy paste!

9 years ago

1. joints 2. move 3. cardiac muscle These are all the correct answers so you got a 100%!

9 years ago

Hi thank you so much for helping me. Yeah, I am sorry. I do not know how to make the base numbers small like that. Thank you both again for the help!

9 years ago

its 23.131 kl

4 years ago

113.647872 fl this is the answer your was wrong so now I got to do it over again

4 years ago

Come on 6 people have seen this why aren't you guys responding

4 years ago

Its E C F I had to look at my test but there you go

4 years ago

Come on this is a legit question here plz help me. Why did I get a thumbs done. 10 people have seen this. I'm struggling here.

4 years ago

The thing is I already did google and it didn't help much.

4 years ago

Are any of these right?????

4 years ago

# LONELYFOREVER is sooooooo wrong i got 5/23 the answers are C B C D A B B A B A D B C C A B B D D C D A B

4 years ago

So what is the answer is it A

4 years ago

so no one has the answers

4 years ago

Star four is still correct as of today. 1.D 2.A.F 3.B

4 years ago

Do any of the answers for the online practice help you at all with the unit test for it

3 years ago

so is it 1 2 and 5

3 years ago

Did you get a 100% on the test

3 years ago

Because I searched up all the answers and this is what i got. 1. D, use of linear perspective 2. A, more people learned Latin. 3. A, growing wealth in the cities 4. D, The Canterbury Tales, by English writer Geoffrey Chaucer 5. C, It has arches and column...

3 years ago

Idk who's right

3 years ago

ok should I do spidermans answers then

3 years ago

Ok I'm doing Spider-Man's answers so if i get them wrong Its spider-man's fault

3 years ago

He missed one of Martin Luther reasons for that question so yea😤

3 years ago

Is that right

3 years ago

Answers Are: 1. C 2. A 3. C 4. C 5. D Here You Go and its definitely 100% Trust My Guys

3 years ago

I dont get number four

3 years ago

Ur mom is right for the first 3 1D B 3 A Dont know 4 And 5

3 years ago

To Ur Mom What Is The Sample Work And Portfolio I Have To Pass algebra

3 years ago

Well I think I figured it out My answer is 4x^3 +2x^2 +2x ( don't quote me on this) wish me luck on the test and thanks to any of you who tried to help.

3 years ago

And for those people that might use this answer use at your own risk I'm 90% sure this is the answer but then again I'm bad at algebra so...…. yeah again use cautiously. Thank you have a great day

3 years ago