subject

Mathematics, 06.05.2020 06:30 alanflores40

Element X decays radioactively with a half life of 12 minutes. If there are 510 grams of Element X, how long, to the nearest tenth of a minute, would it take the element to decay to 11 grams?

ansver

Answers: 2

Show answers

Another question on Mathematics

question

Mathematics, 21.06.2019 13:30

Answer the questions in the attachment. a rescue helicopter is at point a and a rescue boat is at point e. the helicopter pilot spots boats in distress at points d and c,with angles as marked in the diagram. figure abce is a rectangle. the altitude of the rescue helicopter, represented by ae, is 5000 feet.

Answers: 1

question

Mathematics, 21.06.2019 19:10

If a || b and e || f , what if the value of y ?

Answers: 3

question

Mathematics, 21.06.2019 20:30

What is the slope of the line shown below?

Answers: 1

question

Mathematics, 21.06.2019 20:30

If you are dealt 4 cards from a shuffled deck of 52? cards, find the probability that all 4 cards are diamondsdiamonds.

Answers: 1

You know the right answer?

Element X decays radioactively with a half life of 12 minutes. If there are 510 grams of Element X,...

Questions

question

Medicine, 30.08.2019 22:10

This is the structure of nephrons that filters blood....

question

Engineering, 30.08.2019 22:10

Engine oil at 100c flows over a flat plate with a velocity of 1.3m/s. determine (a) the local drag coefficient at a distance of 2.5m from the leading...

question

Computers and Technology, 30.08.2019 22:10

What would be the time complexity of the add operation if we chose to add at the end of the list instead of the front?...

question

Medicine, 30.08.2019 22:10

Milk let-down is associated with a. events occurring in the uterus b. placental hormonal influences c. circadian rhythms d...

question

Physics, 30.08.2019 22:10

If two light waves are coherent: a) their amplitudes are the same b) their phase difference is constant c) their frequencies are the same d) their wa...

question

Mathematics, 30.08.2019 22:10

1. find the inverse of the following matrices a 3 0 2 -1...

question

Biology, 30.08.2019 22:10

Which of the following constitutes the primary structure of a protein? a. the folding of a polypeptide chain b. the linear sequence of...

question

Physics, 30.08.2019 22:10

The no molecule has a doubly degenerate excited electronic level 121.1cm-1 above the double degenerate electronic ground term. (a) calculate the elect...

question

Computers and Technology, 30.08.2019 22:10

Explain the use of ""masks"" with bit data operations and illustrate the technique with a few lines of your own c++ statements....

question

Physics, 30.08.2019 22:10

Aballistic pendulum is a device used to measure the speed of a bullet. a bullet is fired at a block of wood hanging from two strings. the bullet embed...

question

Physics, 30.08.2019 22:10

Let it'"(r) denote a simultaneous eigenfunction of the angular momentum operators l2 and lz. the respective eigenvalues are l(+1)ћ2 and тћ, with l a n...

question

Medicine, 30.08.2019 22:10

Mutations in the genes encoding for igm would a. block macrophage stimulation by antigens. b. block the synthesis of b cells during hemat...

question

Biology, 30.08.2019 22:10

Before returning to the heart, blood from the digestive tract first passes through the.. a. pancreas b. kidneys c. brain d...

question

Mathematics, 30.08.2019 22:10

If 5 kids are reading books in the library and they're are 12 kids and the other kids want to read to but it takes 33 minutes to read a book and it is...

question

Mathematics, 30.08.2019 22:10

Suppose the equation of line s is y = 2. what are the coordinates of c' of δa'b'c' for rs? the graph with x-coordinate marks -4, 0, 4 and y-coo...

question

History, 30.08.2019 22:10

What motivated english monarchs and investors to establish american colonies?...

question

Health, 30.08.2019 22:10

Which of these conditions is a respiratory disease caused by nicotine and tobacco use? leukemia type 2 diabetes high blood pressure...

question

History, 30.08.2019 22:10

Ahouse divided against itself cannot stand. this quotation reflects lincoln’s belief that?...

question

Mathematics, 30.08.2019 22:10

Question 1 multiple choice worth 1 points) (01.03 mc) katie is working on a blueprint for a fence she is designing. she will need to const...

question

Mathematics, 30.08.2019 22:10

Which sequence of transformations maps pre-image abc to image a′b′c′ ?

More questions: Mathematics Another questions

Questions on the website: 13722367