Dennis

This page lists questions and answers that were posted by visitors named Dennis.

Questions

The following questions were asked by visitors named Dennis.

Define Home Economics? Its a academic discipline which combines aspects of consumer science, nutrition, cooking, parenting and human development, interior decoration, textiles, family economics, housing, apparel design and resource management as well as o...

what suffix ends the names of all binary molecular compounds? http://chemistryhelper.googlepages.com/home9

Circle the letter of the unit of mass commonly used in chemistry that equals 1/1000 Kilogram. a)gram b)Milligram c)milliliter Kilo is 1000. What is 1/1000 of 1000?

The space occupied by any sample of matter is called its __________. volume

What is the zero point, O K, on the kelvin scale called? absolute zero. or 0 Kelvins.

What is the volume of a paperback book 21cm tall, 12 cm wide, and 3.5 cm thick? just multiply them all together, so do 21 x 12 x 3.5 = and that will be the answer =)

How do i Convert 170 degress C to kelvins? K = 273 + C

How are the two parts of a conversion factor related? Either the numerator or the denominator is one of the units needed for the converstion, then the denominator/numerator is the other unit needed. thanks. whats two conversion factors based on the relati...

what is the danger of Lenin's idea of party leadership? Lenins idea of party leadership was dangerous because in such a corrupt system, a party was terrible for the local environment. Many people would fight for the top leadership position. thanks. why di...

How many representative particles are in 2.5 mol H2O2? each mole consists of 6.02*10^23 things. Memorize that.

Classify each of these statements as always true, sometimes true, or never true. __ST___13.In an equation, a substance is shown to be in the gaseous state by placing an upward-pointing arrow after its formula. ___ST___14. Atoms are destroyed in a chemical...

Solve in terms of sine and cosine: sec(x) csc(x)- sec(x) sin(x) so far I have: 1/cos(x) 1/sin(x) - 1/cos(x) sin(x) I am not sure where to go to from there. The book says the answer is cot(x) or cos(x)/sin(x) Thank you in advance.

How do you calculate the square footage on the surface of a cylinder if you know the diameter and length?

Problem: cos[arccos(-sqrt3/2)-arcsin(-1/2)] This is what I have: cos [(5pi/6)-(11pi/6)] cos (-6pi/6) or -pi giving an answer of -1 What I am wondering is should I use the (11pi/6) or should I use (-pi/6) because of the restrictions on arcsin x (-pi/2)<=x<...

Problem: tan[arccsc(-5/3) + arctan(1/4)] My work: let arccsc(-5/3)=X and let arctan(1/4)=Y where -pi/2<=X<=pi/2, X cannot be 0 and where -pi/2<Y<pi/2 so that cscX=-5/3 and tanY=1/4 The problem can now be written as tan(X+Y) =tanX + tanY/1-tanXtanY which c...

What would be the dangers of mixing chlorofluorocarbons (r-22 refrigerant)and chlorine gas in a indoor swimming pool area?

iam writting a term paper on the relationship between literature and history but i don't know what to write someone please help me out.your answers are most wlcome.thank you.

cory drops a bouncing ball form a height of 50 ft and it rebounds to 90% of its previous height.find the total distance the ball will have travelled when it hits the ground for the fifth time

Could someone please how this problem should be solved? Simplify and write the answer in exponential notation using positive exponents. 2 to the 4th x 2 -2nd power

Discuss the relevance of the five pillars of Islam to managers of organizations in the world today.

how do i solve find x in x^+6x+9

y = -1/2 x-4 Complete the table for this equation. x y (x,y) -1 -2 -4 2 8

how do i solve 3x+2y=40,x+y=18 i would like the work shown.. thanks.

Quadrilateral ABCD is a square. The coordinates of point A are (3,2), coordinates of point B are (-3,2),and the coordinates of points C are (-3,-4). where on a coordinate plane would I mark the location of point D??

Dividing a Polynomial - need detail and answer please!!! (6x^4+4x^3-x^2)/(6+2x)

A lower yield of phosphonium salt is obtained in refluxing benzene than in xylene. Look up the boiling points for these solvents, and explain why the difference in boiling points might influence the yield. I'm not sure how to answer this question. I see t...

Two motorcycles are traveling due east with different velocities. However, four seconds later, they have the same velocity. During this four-second interval, cycle A has an average acceleration of 1.8 m/s2 due east, while cycle B has an average accelerati...

A sprinter explodes out of the starting block with an acceleration of +4.1 m/s2, which she sustains for 1.2 s. Then, her acceleration drops to zero for the rest of the race. (a) What is her velocity at t = 1.2 s. (b) What is her velocity at the end of the...

The following file cshift.txt is encrypted using a shift cipher. Decrypt it using key exhaustion. I expect to see 26 complete lines of output. Your program does not have to pick out which shift is English. You may do that by eyeball. Then print the proper...

A scale drawing of a house is drawn with a scale of 1 in. : 16 ft. Find the actual length of a hallway that is 5/8 in. On the scale drawing. Show your work

A high school counselor wants to examine whether the teenage pregnancy rate at her school is different from the rate nationwide. She knows that the rate nationwide is 15 %. She randomly selects 80 female students from her high school. She finds that 9 out...

Should Martha use an independent-samples t-test or a related samples t-test? Explain your answer.

Find an angle between 0 & 360 degrees that is coterminal 820 degrees.

I don't understand this question, could someone solve/walk me through this? One afternoon in Fort Simpson, Northwest Territories, the air temperature was −10ºC and the wind speed was 25 km/h. The air temperature dropped by 5ºC in the evening, but the wind...

whats is a structure that was built with keeping costs low as the primary concern?

whats is a structure that was built with keeping costs low as the primary concern?Also, what is a structure (with the same function as the one above) that was built with no regard to cost: What are the difference between the two?

What is the largest volcano in close proximity to Calgary?

What do you think about the rules of civilization? Do they free us and enable us to rise to our best selves? Or do the rules constrain our bad nature that lie at the heart of ourselves?

What survival tactics were used in the 1933 Ukraine Genocide?

How could the 1933 Ukraine Genocide be prevented?

Hello, I need some help with a few Government true/false questions. The Office of Management and Budget can withhold funding for a program that the President considers ineffective. My answer=False The threat of the spread of communism around the world is...

Hi. I need some help with a few questions regarding The Odyssey and Orestia. (I have eliminated some of the possible choices because I know they are incorrect) 1.How are the endings of both the Odyssey and the Orestia similar? A.In both cases, the goddess...

Hi, I need some help with a couple government questions. 1. State governments could print their own paper money under the articles of confederation. True or False **my answer=true 2. Which of the following explains changes that happened in U.S. foreign po...

Can you please explain for me in a short paragraph what can trigger spectator aggression in sport

A brick mass of 4.5 kg is thrown rertical into the air the brick leave the hand at a velocity of 10 m/s find the kinetic energy the moment it leave the hand?

25 tens=_ hundreds 5 tens

A right circular cone stands on a hemisphere. The base radius of the cone is equal to the radius of the hemisphere. If the base radius of the cone is 10 centimeters and its height is 15 centimeters,calculate the total volume of the solid.

How long must a 25 degree ramp be to slow to a momentary stop a runaway truck moving along a truly horizontal highway at 85 miles per hour

A car of mass 600 kg reduces speed from 90 km/h to 54 km/h in 15 seconds. Determine the braking power required to give this change of speed.

the room is rectangular and measures 9 feet on one side and 15 feet on the other. she needs 0.5 ounces of paint per spuare foot. how much paint does she need?

what is -678* (34^56) =

'Property law is an area of law that enforces rights of ownership, possession and transferability, over things , may it be, public property (government owned), private property such as homes or business and it can be tangible or intangabile.' my first lan...

Graph a cosine function whose amplitude is 4, period is π , midline is y=−3 , and y-intercept is (0, 1) . The first point must be on the midline and the second point must be a maximum or minimum value on the graph closest to the first point. I appreciate...

A is a 4.5g of HNO3 per 1dm^3 of solution. B is a 7.0g of [XHCO3]SOH per 1dm^3 of solution. 25cm^3 of B was pipetted and titrated with A using methyl orange as an indicator. Given the titre volumes of A used to be 29.20, 29.10 and 29.30, calculate a. The...

The angle of depression from the top of a cliff to a boat sailing 100 m offshore is 32°. Calculate the height of the cliff, correct to the nearest metre.

Find the vertical and horizontal asymptotes of the function F(x)=x=(√9x^2)/(2x+1)

Find the values of k so that the geometric mean between 25/2 and 2 is k+1. I need the answer right now.

A three-kilogram cannonball is shot out of a cannon with an initial velocity of 300 m/s at a 25o angle. A headwind exerts a constant 5 N horizontal force. How far will the cannonball travel before horizontally hitting the ground?

A vibrator generates 80 wavesin four seconds.the distance succesive between two succesive crests of the waves is 15cm. Determine the time taken for the waves to travel a distance of 180m

Belizes Government is different from the governments of most Central America because belize

How does relevant evidence support of speakers argument

Answers

The following answers were posted by visitors named Dennis.

Dang, I see where I messed up. Thank you so much.

whoops, sorry everyone. The original message was supposed to be a reply to another post.

Because when you multiply or divide any number (a positive or a negative number) by a negative number you will automatically change the sign of the number you are performing the operation on. In an inequality you will then reverse the relationship between...

Thank you Ms Sue.

Thank you very much. The answer doesn't change, but my trig teacher wants to see all of work, and I just wasn't sure which figure to use.

A line graph with a solid dot at -4, a solid dot at 10, and shading between the two. o--------------------o -4 0 10 where the 0 are solid or you could use a [ at -4 and a ] at 10 [----------------------] -4 0 10 I think that is how interval notation works...

well my spacing for -4, 0, 10 didn't come out right, but hopefully you get the idea. -4 at the beginning, 0 towards the middle, and 10 and the end.

I found my mistake, please disregard.

UOP ETH/125 Wed. 12, 2011

So far i have not compleatly worked it out.but compound E is NOT NH3. it is NH2OH, which you can tell only by its titation information. compound D is N2O2H4 in some order. compound A is likely Nitric Acid.

Dont know the first one Broken character i'll get over it

One equation would be: x+y=69, correct? (add two integers to equal 69). But then we know the integers are consecutive, so the second integer (y) is one greater than the first interger (x). So the next number after x is x+1 So we can say y=x+1 Then follow...

One possible answer is Marty's pizza was much larger than Luis' pizza.

Some information is missing. The engine has 1 1/4 gallons of oil in it now? And the question is how much more oil is needed to fill to capacity (full). What is the capacity of oil in the engine?

In order to ride the roller coaster, you must be 48" tall, so H=48. If the question is you must be at least 48" tall, then H=> (equal to or greater than) 48" tall.

h<48 is not correct, since since this says the height (h) is less than 48" (ie too short).

Liquid elemental iron is produced in the thermite reaction because enough heat is generated to melt the iron: 2 Al(s) + Fe2O3(s)----> Al2O3(s) + 2 Fe(l) What mass of aluminum is needed to produce 750 grams of iron?

What is the pH of a buffer solution that is made by adding 21.0 grams of sodium fluoride to 1.00 Liter of 0.15M hydrofluoric acid? (see the Table above for the Ka of hydrofluoric acid; calculate the pH to 2 decimal places) hint: you will have to find the...

Sorry about the Chinese, the Chinese words are Celsius.

Also, what is a structure (with the same function as the one above) that was built with no regard to cost: What are the difference between the two?

Thanks Ms. Sue!

Thank you for responding! Is #1 D instead?

3c, 4c, 5c, 6b, 7a, 8a, 9b, 10c, 11d, 12a, 13d, 14a, 15b, 16a, 17b, 18d, 19d

The prime factorization for 66: Prime factorization is writing a composite number as a product of its prime factors. Sample A: The prime factorization of 504 is 2^3 x 3^2 x 7. In other words, it is a way of writing a product the long way. Sample B: The pr...

Where is the Statue of Liberty? It's in New York, you seriously didn't know that? LOL! Wow. Ha-ha.

What's that supposed to mean? I didn't do anything.

Just like what Reiny said, just try and expand it yourself. See what you can find! :)

It looks great! I don't think you need any changes. Is this a writing assignment you did yourself? If it is, it's very strong!

320 metres per second

There has been so much said, and on the whole so well said, that I shall not occupy the time.

In other words, refer to the answers above and perhaps to others on the internet. You're welcome!

I want more clarification of the answer!

Can you please help me out with all the questions I have submitted 🙏

A flagpole is 35 metres high. From a point A on the ground , the angle of elevation of the top of the flagpole is 30°.Find the distance from point A to the base of the flagpole to the nearest metre.

ABC is an isosceles triangle with AB =AC. What is the length of AC? Height = 8, Base = 12

Didn't understand

how do I do this

What is the volume of 2.00 lb ethylene glycol

X additional people R=(80+x)(5000-30x) (80+x) is total people (5000-30x) is ticket price C=300x + 250 000 P = R - C P= (80+x)(5000-30x) - (300x + 250 000) Expand and take derivative P'= -60x + 2300 X = 38.3 Plug x into ticket change per person 30 × 38.3 =...

As the main speaker in a debate on the motion,students should not wear uniform to school, write speach against the motion

Multiply then find out