Jesse

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

Questions

The following questions were asked by visitors named Jesse.

I have a simple question: why does mgcl2 have a higher boiling point than ncl3?? I thought mgcl2 in terms of intermolecular forces had just dispersions and because ncl3 had dispersions and dipole dipole ( cause it's polar) had a higher IMF therefore a hig...

I have some questions on my assignment, if you don't mind could you look over my answers. thanxs! Find all the numbers that must be excluded from the domain of the rational expression. x+8/x^2-16, my answer: x cant be -4 or 4 x-3/x^2+11x+24, my answer: x...

The following questions I don't understand, could you please help me? Thanxs! Evaluate the piecewise function at the given value of the independent variable. 3. g(x){x^2+2 if x can not equal 2 {x+8 if x=2 Determine g(-5) options: a.-5, b.3, c.3/7, d. -27/...

How do I graph g(x)=f(x)+1?

I need help with the following problems please? How do I make a transformation using g(x)=|x-2|? How do I graph g(x)=f(x+1)? How do I graph g(x)= -f(x)+2? How do I graph g(x)=1/(3)x+3? How do I grahp g(x)= f(x-1)-2

I have some physics problems that I would like to get checked please?

I know this is such an easy question, but I completely forgot how to do it. Can someone please help me out? Thanks. If 57.84 g of nickel (Cp = 0.0946 J/g Degrees C) originally at 97.4 degrees C is placed into a calorimeter with 48.24 g of water (Cp = 4.18...

could you help me with the following,I don't understand. Find the x-intercepts of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. 1.f(x) = (x + 1)(x - 3)(x - 1)^2 5.f(x) = x4...

5 coins are tossed. How many outcomes are possible?

Alright, let's say you want to get from one point to another, in a 3D box. all points have an x, y and z coordinate. Point A has coordinates (25,30,5) while Point B has coordinates (50,26,18). The only given variable other than the coordinates is the spee...

Write an operational definitoin for each underlined idea in the space provided. The first sentence is.. List the plants found in the ecosystem, with the smallest one first. Smallest one is underlined. So what in wondering is what is an operational definit...

How many yards are in 440 meters?

1 adult + 2 kids: admission = 8.75 2 adults + 5 kids: adm = 19.75 I have the answer, just need the formula - I guessed and checked (a lot) and got kids' tickets = 2.25 adults' tickets = 4.25

There are 20 points all in one straight line and 15 others in a parallel line. How many possible triangles having these points as vertices can be formed?

long question-sorry I'm a teacher with study hall 1st period & 3 games in my closet-polled the students to see who would play which game. (The problem on my paper gives names, but I'm just giving numbers.) 5 kids said they would play all 3 games. 5 others...

sin(70°)cos(10°) − cos(70°)sin(10°)

How would you set this problem up..I know to use A=Pe^rt Larry has $2600 to invest and needs $3000 in 12 years. What annual rate of return wll he need to get in order to accomplish his goal, if interest is compounded continuously?

How would you solve this matrices using the Gauss-jordan elimination method? {[-5, 8, 10]} {[5, 8, 4]} {[10, 8, 5]} {[5, 4, 8]}

Any one willing to help with a paper i will offer $

An opinion sentence that uses the word empty?

please solve for either x or y: x/2 + y/4 = 7

Cleaning up around the kennel you picked up a total of 52 coins. Unfortunately, they were only pennies and nickels. The value of the coins was $1.20. How many pennies and how many nickels did you pick up? Solve using Elimination Method.

You need to choose a long distance telephone service for your business. The two options available in your area are Call Me and Trans Talk. Call Me charges a $5.95 monthly service fee and $.08 per minute used. Trans Talk charges a $12.95 monthly service fe...

In 1990, the life expectancy of males in a certain country was 62.1 years, it was 65.3 years. Let E represent life expectancy in year T and let t represent the number of years since 1990. E(t)= [ ]t+[] use the function to predict the life expectancy of ma...

If (1)(2) + (2)(3) + ... n(n+1) = n(n+1)(n+2)/3 complete the inductive step of its proof: 1(2) + 2(3) + ... k(k+1) + (k+1)(k+2) I have no idea what to do.

A 0.50-kg ball is attached to a string of 0.50 m and swung in a horizontal circle with a velocity of 1.0 m/s. What is the centripetal force of the ball?

Please help... What is the principle of powers? When solving a radical equation how do we use the principle of powers to eliminate radicals

The hypotenuse of a 30-60-90 triangle is 10. Find the perimeter. How do i do that?

a slice of pizza, in the form of a sector of a circle, is to have a perimeter of 24 inches. What should be the radius of the pan to make the slice of pizza largest?

How would I write 1-2log(7)x as a single logarithm Choices: log(7) x^2/7 log(7) 7x^2 log(7) 7/x^2 log (7) x^2 Thank you

Evaluate 4log(4)8 Possible answers are: 4 0 8 1 Where do I start-I don't have an example to follow? Please give me a direction do I evaluate log(4)8 first

The motion of a particle connected to a spring is described by x=10cos(πt). At what time (in s) is the potential energy equal to the kinetic energy?

An aircraft has a lift-off speed of 120 km/hr. What minimum constant accelerationdoes this require if the aircraft is to be airborn after a take-off run of 240 m?

A baseball is released at rest from the top of the washington Monument. It hits the ground after falling for 6.0 s. What was the height from which the ball was dropped? (g=9.8 m/s2 and assume air resistance is negligible)

Mt. Everest is more than 8,000 m high. How fast would an object be moving if it could free fall to sea level after being releases from an 8,000-m elevation? (Ignore air resistance)

Omar throws a rock down with speed 12 m/s from the top of a tower. The rock hits the ground after 2.0 s. What is the height of the tower? (air resistance is negligible)

omar throws a rock down with speed 12 m s from the top of a tower. The rock hits the ground after 2.0 s. What is the height of the tower?

When a drag strip vehicle reaches a velocity of 60 m/s, it begins a negative acceleration by releasing a drag chute and applying its brakes. While reducing its velocity back to zero, its acceleration along a straight line path is a constant -7.5 m/s2. Wha...

a barefoot field-goal kicker imparts a speed of 30 m/s to a football at rest. If the football has a mass of 0.50 kg and time of contact with the football is 0.0025 s, what is the force exerted on the foot?

A pipe of length 10.0 m increases in length by 1.5 cm when its temperature is increased by 90°F. What is its coefficient of linear expansion?

Carbon dioxide forms into a solid (dry ice) at approximately -157°F. What temperature in degrees Celsius does this correspond to?

A steel wire, 150 m long at 10°C, has a coefficient of linear expansion of 11 ´ 10-6/C°. Give its change in length as the temperature changes from 10°C to 45°C.

A 0.003 0-kg lead bullet is traveling at a speed of 240 m/s when it embeds in a block of ice at 0°C. If all the heat generated goes into melting ice, what quantity of ice is melted? (Lf = 80 kcal/kg, the specific heat of lead = 0.03 kcal/kg×°C, and 1 kcal...

Find the derivative of f(x)= (2x+3)/(3x+5)

An aqueous solution has a vapor pressure of 81.1 at 50 . The vapor pressure of pure water at this temperature is 92.6. What is the concentration of in mass percent?

Solve this equation. Give a general formula for all the solutions using k to represent your arbitrary integer. sin θ = 1/2 θ =

What is probability of at least 3 heads appearing in 4 tosses of a coin

Green light has a wavelength of 4.96 10-7 m and travels through the air at a speed of 3.00 108 m/s. Calculate the period of green light waves with this wavelength. s What is the frequency? Hz

Why was separation of the races required?

Why was separation of the races required on the transit system in Montgomery, Alabama during the 1950s?

In this memory process, the individual records information to prepare it to be entered into memory. Storage Encoding Retrieval Priming i think the answer is encoding but then im confused?

Repeatedly reciting a sequence of words: A) activates different brain areas than when the word sequence is spoken the first time. B)is a characteristic symptom of the disorder known as Korsakoff’s syndrome. C)minimizes the effects of proactive interferenc...

A shoebox holds 140 baseball cards. If John has 11 packages of 8 cards, how many more packages of cards does John need to buy to fill the shoebox?

Where do rivers begin or have their source?

What are good tips on how to write good lyrics to a song?

While working with networks, does a larger number of hops have a effect on the delay of packets?

What type of bond is formed when two or more non metals bond with each other? and What type of bond is formed when a metal and non metal bond with each other?

Given 9 yards of fabric how many whole costumes could be made if each costume uses 1 3/7 yards of fabric

a 256 mL sample of an unknown gas was collected over water at 23 degrre celsius and 750 mmHg. the gas has a mass of 0.80 grams. what is the molar mass of the gas? (the vapor pressure of water at 23 degree celsius is 21.0 mmHg)

Which group of elements is most likely to not form ions?

What physical properties will the ionic compound CaSO4 be expected to have?

Having problems reading the z-table. I don't understand how .1500% equates to a 1.04 z-score Thank you for your help

Any tips on how to get excellent grades? :) please reply fast

What us a Political Cliff? I am supposed to write a summary about the subject.

two cards are drawn from a deck of cards. Once a card is drawn, it is not replaced. Find the probability of drawing a queen followed by a king.

I'm having trouble finishing evaluating the expression b+1/6=-1/3

I have 2 questions relating to clinical chemistry... 1st: I have no idea where to even start with this. It seems like it should be simple, but I have no clue. The question is... "In serum, about 55% of total serum calcium is bound. The measurement of ioni...

the rays won 33 fewer games than twice as many games as they lost. the total games played was 162. how many wins and how many losses did they have?

Ricardo's car rental offers five different types of vehicles, compact cars (CC), midsize cars (MC), sport utility vehicles (SUV), vans (V), and luxury cars (L). Historically, if a random individual comes to rent a vehicle, the following probabilities appl...

The voltage at a receptor site has just changed from -70 millivolts to -75 millivolts as a result of an _______ and will ________. a). inhibitory postsynaptic potential;increase the likelihood of an action potential. b). excitatory postsynaptic potential;...

A computerized spin balance machine rotates a 35-inch-diameter tire at 400 revolutions per minute. (a) Find the road speed (in miles per hour) at which the tire is being balanced. (Round your answer to two decimal places.) (b) At what rate should the spin...

The ratio of the lengths of strings that play the guitar notes D and B is 27 to 16. If a string 64 cm long plays a B, what is the length of the string that plays a D?

h(t)=-4.9t^2+30.5t+8.5

1. A billiard ball of mass mA = 0.4 kg moving with a speed vA = 2 m/s strikes a second ball, initially at rest, of mass mB = 0.4 kg. As a result of the collision, the first ball is deflected off at an angle of 30.0o with a speed v’A = 1.2 m/s. Taking the...

I can't unscramble this. GONUENRIC It deals with Geometry.

One 15 pound bag of lawn fertilizer covers 350 square feet. Garden Depot sells full bags of fertilizer for $7.89. What will the cost of enough fertilizer to cover a 42 foot by 80 foot lawn?

A man on a motorcycle plans to make a jump as shown in the figure. If he leaves the ramp with a speed of 29.5 m/s and has a speed of 28.0 m/s at the top of his trajectory, determine his maximum height (h) above the end of the ramp. Ignore friction and air...

Monthly payments on a house valued at $84000 with 4.9% compound interest over 30 years

hello, so i'm doing a physics project where I have found the following equation for centripetal force: Fcent=mrù^2 Where f= centripetal force m=mass r=radius ù=angular velocity my question is to make centripetal force greater, does that mean mass, radius...

Celia and Mary are going to open a boutique. the opening of the boutique is delayed because the purses have not delivered after 60 days. They had a contract with the supplier specifying that the purses must be delivered within 30days. Can Celia and Mary c...

Your CECS graduation tassel hangs from the rear view mirror of your graduation gift, a 1981 DeLorean DMC-12 with Mr. Fusion garbage fusion generator!!! Your tassel hangs plumb or vertical when driving at a constant speed on a level highway. When accelerat...

How much pure antifreeze must be added to 18 liters of a 20% solution to make a 40% solution ?

Harry is x years old now. 3 years ago Jenny was twice Harry's age. In three years timthe Ahmed will be 5 times as old as Jenny. Write an expression for Ahmed's ago now.

Word that means "flat like a plate "(flat land that Is higher than surrounding land"

Suppose you find fossils of clams in rock high on a mountain. what can you infer about the mountain?

In triangle XYZ the measure of angle X equals 34 degrees and the measure of angle Z equals 38 degrees find the measure of angle y

There are 13 2/3 cup servings per bag. How many 1/2 cup servings does that make?

A car tire contains air at a pressure of 24 lb/in^2 at 0 degrees C. If the volume of the tire remains unchanged, what will the pressure be when the temperature has increased to 32 degrees C?

An 85-year-old woman in Rotorua, New Zealand, won't have to pay her library fine. A book she borrowed from the local library in 1945 was found during a move. Based on the borrowing rules pasted inside the front cover of the book, the fine should have been...

lesson 14: focus on history 7th Please need help 1-14

There is a school that has 6,190 students there is already 216 how many more teachers are needed

There is 48 students in a class. 7 out of 8 are females what percent are females?

How long, in seconds, would it take to deposit 10.5 g of copper onto an electrode from a solution of Cu2+ if a current of 2.00 A was applied?

Two helicopters ﬂying at the same altitude are 2000m apart when they spot a life raft below. The raft is directly between the two helicopters. The angle of depression from one helicopter to the raft is 37° and the angle of depression from the other helico...

(3.6x10^-5)/(1.8x10^2)

(3.6x10^-5)/(1.8x10^2) What's the answer in standard form?

Which of the following is a central teaching of Islam?

A scientist is listening to the unique calls dolphins make when communicating with each other. What is the scientists doing?

Answers

The following answers were posted by visitors named Jesse.

1.Can something have energy without having momentum? -No, it can have P.E. and no K.E., however if the object has no K.E. then it doesn’t have no velocity therefore it has no momentum. 3. If a 20 kg object fell to the surface of the Earth from a height of...

5.f(x) = x^4 - 16x^2 7.x^4 + 5x^3 - 84x^2 = 0

solve this please

I know the top one is 15 because is goes 3 then 2 down then add 3 to the previous number(3) so that's 6 then 2 down etc. for the second one i don't think its 12 i think its 9 because it goes up from 3 to 12 then starts counting down then when it gets to 3...

So would the answer be the smallest one means the one that is the least tall?

what is greater5.7 or 5.69

I have that same exact question I need to answer, but I'm not sure how to answer it because it's not in my text book. :( Help?

Voting for Obama is no better.He has promised change. What Change? What has he done for you lately?By the way, Bush is not responsible for America being in the shape it is.Maybe you need to check out your history a little better.

Ok you have to set it up as a dimensional analysis problem. So it will be (144 tees)(412.50g)/(118.80g) and the answer is 500.

a. UR b. PE c. AE d. AR e. PE

1. B 2. E 3. C 4. F 5. D 6. A

if you distribute the 6 it would look like this: (6 x 30) + (6 x 7) 6 x 30 = 180 6 x 7 = 42 When you add 180 & 42, you get 222

If you look at these decimals as money (coins) it will probably be easier - you will have to change the 8/10 into 0.80 first I would put that first & the 0.888 last also, you have 0.81 2x in your answer 8/10, 0.81, 0.8181, 0.888

you can change all the fractions so that they have common denominators (bottom numbers)then compare the numerators (top numbers). Considering you are in 4th grade, I am wondering if the 2nd fraction (3/50) is supposed to be 3/5?

Do you know how to change a fraction into a decimal without using the calculator?

for 3/7, it would be the same as saying 3 divided by 7 You would get the answers that Ms. Sue came up with if you did that for each fraction. Then, if you thought of each of those answers as money, it should be easy to put them in order.

in math, the word of means times so you would multiply 1/3 x 9 & 2/5 x 25. To set these problems up, you would change the whole numbers (9 & 25) into fractions, so you would have 1/3 x 9/1 for the first one, and 2/5 x 25/1 for the second one. When you lin...

Do you mean how many single shakes could she make with 3 cups of syrup, then how many double shakes could she make, and how many triples? Or, do you need to mix and match the shake sizes?

A player kicks a football with an inital velocity of 3.00 m/s at an angle of 60.00 degress above the horizontal distance traveled by the football?

We just started this today but how did you get 2log4 16 = 2 *2 = 4 Thank you

It was written as 4 and then the log(4)8 was raised so how do I do it-I'm really confused now The choices were 4 0 8 1

yes, I forgot the symbol-thank you

Thank you so much!

I think I am plugging the problems in wrong I am not getting the correct answer?

That worked. Thank you

A is not the answer. If it was it wouldn't have been marked wrong on my test

There are no parentheses! It's exactly as stated 2 over 5x plus 1 over 9 2/5x + 1/9

You need the kinematic equations to solve this problem. Also, you can either calculate this assuming that the time it takes for the sound is negligible, or you can calculate it as two parts. If you calculate assuming the sound is instantaneous: V(initial)...

To clarify, are you saying that the have to be composed of three single digit numbers? Also, if one number has more than one acceptable composition, is it counted once of multiple times towards the 50? For example, 24 could be 2*3*4 or it could be 8*3*1;...

What are we dividing? 41 is a prime number, so factoring will be difficult.

I'm assuming you are not using zero or negative numbers as components. So then you have to think of all the combinations of 3 of the 9 single number digits, where 1 can only be used once. For example: 1*2*2 1*2*3 1*2*4 1*2*5 1*2*6 1*2*7 1*2*8 1*2*9 There'...

The sum of the digits of 36 is 9. You are looking for a number that is between 36 and 45 and whose digits add up to 9. You could just run through the possibilities. 37 -> 10 38 -> 11 39 -> 12 40 -> 4 41 -> 5 42 -> 6 43 -> 7 44 -> 8 45 -> 9 There you have...

I believe the answer is yes (assuming I read the question correctly). For example: 3*(4+5) = 3*(9) = 27 or 3*(4+5) = 3*(4)+3*(5) = 12+15 = 27

I think you need to provide the correct formulae for this one. I would link to some useful info, but this site doesn't allow linking.

Adult tickets=x Child tickets=88-x 8x + 5(88-x)=614 8x + 440-5x=614 3x=614-440 3x=174 x=58 Adult=58 child=30

If a person is ordering fencing for a yard which is more important the area or the perimeter.

My guess is that since 55% is bound, that means 45% is free. So... make a ratio and solve for x .45/1.10mM = .55/x Whatever x equals, add it to 1.10mM since we are looking for the total calcium in serum. What do you think?

Thank you... Any ideas on ISE vs. flame photometry? I was thinking that maybe flame photometry comes out consistently slightly lower because it is hard to standardize? I mean, its hard to get the exact temperature of the flame to be precise (and accurate)...

9 times the MW of C plus 8 times the MW of H plus 4 times the MW of O. Add it all up

Binary: 1cm,2cm,4cm,8cm,16cm 1. 1 2. 2 3. 1+2 4. 4 5. 5+1 6. 4+2 7. 4+3+1 8. 8 9. 8+1 10. 8+2 11. 8+2+1 12. 8+4 anyways you get it

customers in 14 years = 51,200 (1-0.038)^14 Did they give you a formula for this?

same thing as the other one i answered the general case is: new value = (old value)X(1+/-percent change)^years remember that 1% = 0.01 in the above formuala, and that it's negative if it's "decreasing/depreciating" and positive if it's growing.

....question. what is the concentration of the sulfuric acid? Are we to assume that this is pure sulfuric acid, no water?

No typo, that is how the question reads. Can you check my answers? 1. 0.54 2. 0.52 3. 0.140608 4. 0.405224 5. 0.4746

answer is d. auxiliary information

P(M|L)=.36 P(M|L^c)=.21 P(L)=.28 P(L^c)=.72 P(M|L)P(L)+P(M|L^c)P(L^c) .36*.28+.21*.72 .252 Baye's Rule

My teacher is 67 years old.

where does the rate law and rate constant come into play?

Book doesn't have an answer for this one. Im just lost as to how to apply the ideal gas law to the rate law and constant. P=MRT => 155atm=(2mol)(0.0821)(298k)?

For part B: Heat of neutralization is -56.2

Mine didn't come out right though?...

Thx anonymous! ANONYMOUS IS RIGHT

Thank you so much Santana!

update: for the u, I don't what happen to it but its supposed to be an omega sign--I guess the formatting got a little messed up

i go to connexus but i am in 6th grade and i need help with my assemnet

Hi DrBob, the rates are NOT given which is why I am having such an issue trying to work with rate and K both as unknowns.

50x+10(x)+140+20(2x+4)=1720 50x+10x+140+40x+80=1720 100x+220=1720 100x=1720-220 x=1500/100 x=15 15 fifties 29 tens 34 twenties

well that wasn't nice

A the answer is A sheesh just say it and get it over with and ms. sue before you say anything i know what i did so give me any of the crap your giving avery body else

and really who gives them wikipidia any way

Compound subject

All about plants

The answer is the 5*6.022E23? How?

Divide 25 into two parts such that one of them multiplied by the cube of the other is a maximum. What is the value of the larger part?

Does anyone have any idea on how to do this? I tackled it a few ways and I just can't get it. Thanks.

I need answers cause I've been doing this for the past hour

1. Justinian code became the backbone of modern Europe? 2. In what way did Quran affect the role of Islamic women? 3. One great contribution of Islamic golden age was? Etc etc their is 14 Questions

Someone please help me i need it badly

Funny ms.sue but u gotta help me

it's not that I'm lazy Im not understanding and I need help

You know what I quit

A dog ran 10 meters in 2 seconds. What was the dog's speed? (Use the equation s = d ÷ t.)

a. sort/arrives b. sort/arrive c. sorts/arrives d. sorts/arrive

first row across - 9,6 first row down - 6,4,5 second row across - 5,3,7 second row down - 7,8 Nowhere does it say you "HAVE" to use all of the numbers... Some people follow the rules, some people write rules when there are none.

Sculptural programs were a means to educate and impress an illiterate audience.

I have the same question as Craig, however with no typo