Elisabeth

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

Questions

The following questions were asked by visitors named Elisabeth.

How do I find a linear relationship in a table? I really need help on this. And this is at a 7th grade level...

OK. I am trying to work on a project and I need help with one or two things. 1. I have come up with an idea, but can't seem to get it to fit in the fields of sports or society in the ancient world. I wanted to do a web page on Actaeon and Artemis, but I c...

15 years ago

A 56.6kg hiker starts at an elevation of 1270m and climbs to the top of a 2660 peak. (I know the answers to B and C, I just have a question on A) A) What is the change in the hikers potential energy? I took PE=mg(h2-h1) and got (56.5)(9.8)(2660-1270)=7696...

15 years ago

Is x^2 - 2x 1 to 1? I keep getting yes every way I try to work it. Book says no. In the end, I get (with x1=1 and x2=-1 <- I use these numbers because of the x^2) f(x1) = -1 and f(x2)=3. I can't seem to find if x1 = x2 (btw, I know that by the graph it is...

15 years ago

A stone is thrown from a cliff top with an upward velocity of 20 m/s. It takes 7 seconds for the stone to hit the ground at the bottom of the cliff. How high is the cliff? I know you use the equation of motion S(t)= (So)+(Vo)t-(1/2)gt^2 S(20)= (So) + 140...

15 years ago

The half-life of oxygen -15 is 124 seconds. If a sample of oxygen -15 has an activity of 4000 becquerels, how many minutes will elapse before it reaches an acivity of 500 becquerels

15 years ago

Write the condensed structural formula for each of the following molecules: a.ethylcyclopropane b. methylcyclohexane c. isopropylcyclopentane

15 years ago

Nonane has a density of 0.79 g/mL. and boils at 151 Celcius. a. What is the condensed structural formula of nonane b. Is it a solid, liquid, or gas at room temperature c. Is it soluable in water d. Will it float on water or sink

15 years ago

For each definition, find a corresponding term from the following list: alkane,alkene, alkyne, alcohol, ether, aldehyde, ketone, carboxylic acid, ester, amine, fuctional group, isomers. a. Organic compounds with identical molecular formulas that differ in...

15 years ago

I am helping my daughter with her algebra and we came across a symbol neither of us has seen before. She is solving two sided equations. For this problem, I do see it set up in the book, but it is related to geometry, which they have not covered. She says...

14 years ago

Two liters of water has a volume of __________ cubic centimeters and a mass of ________ kilograms.

14 years ago

A two-liter bottle of soda is a little more than 2 _____ or 1/2 of a ____.

14 years ago

A gallon of gasoline is more than _______ liters but a little less than ______ liters.

14 years ago

1 meter^3 = ________ centimeters^3

14 years ago

1 meter^3 = _________centimeters^2 1 kilometer^2 = __________ meters^2

14 years ago

Draw a segment 1 cm long Draw a segment 1 in long

14 years ago

A jogger runs in a straight line with an average velocity of v1=6.6 m/s for t1=6.0 min, and then with an average velocity of v2=5 m/s for t2=3.0 min. What is her average velocity during this time? Answer in units of m/s.

14 years ago

A jogger runs in a straight line with an average velocity of v1=10.2 m/s for t1=6.0 min, and then with an average velocity of v2=7.7 m/s for t2=3.0 min. What is her total displacement? Answer in units of m.

14 years ago

A 44.0 kg man stands on a bathroom scale in an elevator. Starting from rest, the elevator ascends, attaining its maximum speed of 1.90 m/s in 1.19 s. It travels with this constant speed in the upward direction for the next 7.60 s. The elevator then slows...

14 years ago

A 23.1 kg block is dragged over a rough, horizontal surface by a constant force of 95.0 N acting at an angle of angle 29.3 ° above the horizontal. The block is displaced 5.50 m, and the coefficient of kinetic friction is 0.341. Find the magnitude of the w...

14 years ago

Candace threw a 0.09 kg ball at an angle such that the downwards initial velocity is 15.00 m/s and the horizontal initial velocity is 18.00 m/s. What is in m/s the vertical component of the velocity of the ball 0.20 seconds after she threw it? (Do not inc...

14 years ago

Find the sum of the first 12 terms of the sequences given in #1. a.f(n) = 5*(2)^(n-1) ; for n = 1,2,3,4,… b.a1 = 1/3 ; an+1 = = 3*an

13 years ago

If the resistance of each of the light bulbs is 6.0 ohms, what resistance does the battery see?

13 years ago

An auditorium has 1600 seats. At a ticket price of $6, the owners can sell 1200 tickets. For each 25 cent increase in price the tickets sold reduces by 25. What price should the owners set to maximize the income? Income=(6+.25x)(1200-25x) Generalize and a...

13 years ago

Did you hear about... i have a,b,c,d,e,f,g,n,o..its "the very sad guy who tried to..fog and thats all i have help?

13 years ago

Calculate the volume of a cylinder that is 5.615 mm in height and 17.03 mm in diameter.

13 years ago

What happens when red blood cells are placed in a solution that contains 0.99% (m/v) NaCl solution?

13 years ago

3. It takes 72 tiny cubes to fill an empty box. It is found that the volume of the box is 576 ml. Know that 1 cc = 1 ml. How long is the side of the tiny cube.

13 years ago

Find the value of n. 2^(2n-1) = 8^(-n)

13 years ago

Can you help reccomend a good theorist and theory to type an 8 page report to find journal articles as well. I was thinking possibly Freud psychoanaylis theory or maslow hoistic dynamy theory thanks

13 years ago

A jet aircraft is traveling at Mach 2.5 through air at 1 °C. What is the jet's speed in m/sec? I can do the equation myself, I just need to know what equation I need to do in order to find the answer.

12 years ago

the small piston of a hydraulic press has an area of 2.0 cm and the large piston has an area of 16 cm if the small piston has a force of 4.0 N applied to it the output force of the large piston is

9 years ago

What is its centripetal acceleration? Answer in units of m/s 2 .

9 years ago

What tells you that this ACP site would be a credible source for your argumentative essay? Select all that apply. It is an established news organization. It gives data about education in India. It tells a story about schools. It includes quotations from k...

5 years ago

A driver of an automobile traveling at a constant speed of 20meter per second suddenly applies a brake and the automobile comes to rest in 2.0 seconds after skidding for a certain distance. what is the length of the skid distance?

4 years ago

A race car is moving at a constant speed of 35 meter per second. as the race car passes by it and was accelerating at a constant rate of 5meter per second square .what was the speed of the security car when it took over the race car?

4 years ago

The range of a Cannon ball fired horizontally from a laboratory table equals to 8/ 3 times the height of the table . what is the direction of the velocity of the projectile as it strikes the ground?

4 years ago

Answers

The following answers were posted by visitors named Elisabeth.

Yes, the answer comes out to be 15.9%. As for the second part, it is a simple problem. 3.21g BeC2O4 3H2O x (1 mol BeC2O4 3H2O/151.03g) x (1 mol BeC2O4/1 mol BeC2O4) x (97.01/1 mol BeC2O4) = 2.06 g ii. Since it is measured at STP, we can assume that 22.4 L...

16 years ago

Thanks Sra I did check out those links and they don't give me what I need. I am very familiar with the story (It is one of my favorites). What I am trying to do is connect it with ancient Greek athletics (Wrestling, boxing, pankration, the different runs,...

15 years ago

I am not sure abut the rest, but how you have it set up to display pennies as a dollar amount isn't going to work. For an example, if you end up with 100 pennies at the end, and you multiply that by 100, you will get 10,000, not $1.00. It would be easier...

15 years ago

I'll give you a hint: It's either Instantaneous Velocity, Speed, or Acceleration. I'll give you a few minutes to figure it out and I will tell you the answer :)

15 years ago

Just a typo on my part. The hiker's mass is the same as in my equation: 56.5. I just looked over the answers again. Most people answered the same as I did. A few of them put in scientific notation, but not like you did. they put 7.6X10^5 which doesn't mak...

15 years ago

I should add that my prof said in the notes that if the two answers to the two functions are the same, then it is not 1 to 1 BECAUSE they have the same answer. That's what has me confused.

15 years ago

Assuming that from the bottom to the top of the cliff is h1 and the top of cliff to the top of the parabola is h2... isn't the 100.1m really h1 + h2 (since the stone is thrown upwards)? I am looking for just h1.

15 years ago

I see what you are saying, but that isn't it. It has something to do with setting one side equal to another. She has not started distribution that complicated yet. They still have her at 2(x+3). Right now, they are solving (for x) with two sided equations...

14 years ago

That actually makes sense. In the book, it mentioned something about angles, but I wasn't even thinking about opposite angles being equal. I did have her set the two equal to each other, and she came up with a realistic answer. What you said makes perfect...

14 years ago

Yeah thanks super helpful 100%

explain how it is important to line up decimals numbers by their place value when you add or subtract them