The half life of a radioactive substance is 15 years

Answers

Answer 1
Answer is: s(t)=200(1/2)^t/13

Related Questions

Ants can carry food at a speed of 1 cm/s. how long will it take the ant to carry a cookie crumb a distance of 50 m from the kitchen table to the ant hill? (express the answer three different ways; in seconds, minutes and hours)

Answers

Answer:

The total time taken by the ant to take cookie crumbs from the kitchen table to an anthill is 83.33 minutes.

Explanation:

Javier works each weekend at an animal shelter where he earns $8 an hour. He is saving his earnings to go on a ski trip that costs $190

Answers

Answer:

24 hours

Explanation:

(im gonna assume you mean how many hours will he need to work)

he will need to work 24 hours because

8 x 24 = 192

How did participation in other reform movements help strengthen the women's movement? women's struggles in other groups made them want to have a group where they could be in charge. women's success in reform movements made them question the limitations placed on them in society. the success of other reform programs led to the transcendentalism movement. the experience gained working on reform programs made women qualified to create the women's rights movement.

Answers

Answer:

Women's success in reform movements made them question the limitations placed on them in society

• women’s success in reform movements made them question the limitations placed on them in society.

Explanation:I took the test

Helena needs 3. 5 cups of flour per loaf of bread and 2. 5 cups of flour per batch of muffins. She also needs 0. 75 cup of sugar per loaf of bread and 0. 75 cup of sugar per batch of muffins. Helena has 17 cups of flour and 4. 5 cups of sugar available for baking. Which combination of loaves of bread and batches of muffins could helena bake? 2 loaves of bread and 4 batches of muffins 3 loaves of bread and 3 batches of muffins 4 loaves of bread and 2 batches of muffins 5 loaves of bread and 1 batch of muffins

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Answer:

2 loaves of bread and four batches of muffins

The owner of a bookstore buys used books from customers for $1. 50 each. The owner then resells the used books for 400% of the amount he paid for them

Answers

Answer:

6.00

Explanation:

Tomé un taxi para ir al cine. Antes, me puse los lentes. 1 of 1

Answers

The correct sentence, using the Pluperfect Tense in Spanish is:

Hubiera tomado un taxi para ir al cine. Antes, me hubiera puesto los lentes.

Pluperfect Tense in Spanish

This verb tense is used to mention events that occurred in a certain period of time in the past, it is used with the main verb in past participle, that is, ending in -ado or -ido, as well as the verb "haber" with the following conjugations:

Yo: hubieraTú: hubierasUsted: hubieraÉl: hubieraElla: hubieraEllo: hubieraNosotros / Nosotras: hubiéramosUstedes: hubieranEllos / Ellas: hubieran

To identify the appropriate conjugation in each sentence, you must identify the noun in the sentence, replace it with the appropriate personal pronoun, and finally use the corresponding conjugation with the help of the guide above.

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Which sentences contain examples of bias? check all that apply. all spiders are creepy. most bats are nocturnal. every artist is fascinating. many flowers are poisonous. video games are all awesome.

Answers

The sentences which contain examples of bias include the following:

All spiders are creepy.Every artist is fascinating.Video games are all awesome.

What is Bias?

This is the tendency to lean in a certain direction, either in favor of or against a particular thing and usually reflects partiality or preference.

The sentences above depict bias as it's one-sided and not objective which is why they were chosen as the most appropriate choices.

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Answer:

A,C,E

Explanation:

Edge

A car traveling at a speed of 24 m/s comes to a stop at a red light. How much time will it take for the car to stop if its acceleration is –8. 0 m/s2? 3 s 16 s 32 s 192 s

Answers

Answer:

3 s

Explanation:

final velocity x first velocity / -8.0m/s2

In the reaction n2 + 3h2 ⇌ 2nh3, an experiment finds equilibrium concentrations of [n2] = 0. 1 m, [h2] = 0. 05 m, and [nh3] = 0. 001 m. What is the equilibrium constant kc for this reaction?

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Physics calculator most likely full explanation

Students in ms. King's science class are researching the history of the cell theory and will write a blog to show what they have learned. Which of the following is the best choice for the introductory sentence?

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Answer:

My name is....... then you say topic of yhe blog

Are all news and information on the internet to why or why not

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Answer:

Every news article is on the internet

Explanation:

Few people use news papers now and days and every single news article is shown either on TV or maybe just an online website. So yes I think every news article is on the internet

Emma earns a \$39{,}000$39,000dollar sign, 39, comma, 000 salary in the first year of her career. each year, she gets a 5\%5%5, percent raise.

Answers

Answer: Emma earns $554,064.80  in total in the first 11 years of her career

We are to determine the future value of $39,000 each year for 11 years given the growth rate of 5%

The formula for calculating future value:

FV = P (1 + r)^n

Explanation:

In the final sentence of the passage, the divinity-student's "mild short cough" highlights a tension between

Answers

In the final sentence of the passage, the divinity-student's "mild short cough" highlights a tension between his tormented thoughts and his subdued physical reaction.

What is the  divinity-student's  about?

The Divinity Student is known to be a famous book that was written by  Michael Cisco.

The book is known to be very brief but powerful, as it is said to be a neo-gothic novel that was depicted  by Harry O. Morris who was said to have used present tense to make the reader have a kind of hallucinatory journey from humanity to spiritual transcendence.

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The essence of many perfumes comes from the oils in the petals of fresh flowers, such as the rose, carnation, and orange blossom. However, fragrances are not limited to the petal, but can come from the leaves of lavender, peppermint, and geranium. Also, the oils of cinnamon and balsam are derived from bark, while the oils of cedar come from its wood. The fragrance of ginger and sassafras comes from roots, whereas that of orange, lemon, and nutmeg comes from fruits and seeds. Thus, there are many sources from which to derive fragrances for perfumes

Answers

The short outlines which highlights all the important points in the given passage are as follows;

The fragrance of quite a number of perfumes comes from the leaves of some plants.Additionally, these fragrances can be derived from bark, like the oils of cinnamon and balsam; or from wood, like the oils of cedar.

The fragrance can also be derived from roots, like that of ginger and sassafras.

And finally, fruits and seeds are so sources of fragrance, like in the case of orange, lemon, and nutmeg.

What are Fragrances?

A fragrance is defined as a combination of organic compounds that produces a distinct smell or odour and is characteristically used in a perfume.

Remarks; Read the paragraph below carefully and prepare a short outline that highlights all the important points in the passage.

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Which factors directly affect the climatic conditions of any particular area?

Answers

Answer:

The climate of any particular place is influenced by a host of interacting factors. These include latitude, elevation, nearby water, ocean currents, topography, vegetation, and prevailing winds.

Explanation:

What is the best response to the following question? ¿adónde vas? voy milla. Voy mapa. Voy esquina. Voy derecho

Answers

According to the context, the correct answer to the given question is "Voy derecho", which is linked to the absence of turns or detours.

Where are you going? - I'm going straight.Translation: Where are you going? - I'm going straight.

What is a way?

It is a route where cars circulate or a path to travel on foot that leads to a certain place.

When a person goes straight, it means that he is going to the place moving in one direction.

Therefore, we can conclude that according to the context, the correct answer to the given question is "Voy derecho ".

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Answer:

The answer to your question is

D. Voy derecho

Using technology, determine the quarterly payment on a 3 year loan of $13,010 at 5.6% compounded quarterly. round you answer to the nearest cent. a. $1,183.23 c. $1,185.34 b. $1,517.95 d. $11,832.23

Answers

The answer is C if anymore questions always ask the community :)

The location of the "dot" is _____. 60° s latitude/30° w longitude 30° e latitude/60° s longitude 30° w latitude/60° s longitude 60° s latitude/30° e longitude

Answers

Answer:

ITS D I  JUST GOT IT RIGHT!!!!!!!!!!!

Explanation:

HOPE THIS HELPS!!!!!!!!!!!

Answer:

30° E latitude/60° S longitude

Explanation:

A student measures the mass and volume of a small cube made of an unknown metal. The mass of the cube is 25. 0 g, and the volume of the cube is 3. 19 cm3. The student is told that the cube is a sample of one of the four metals listed in the table

Answers

With the density found you can use the value to map out the corresponding metal from the table

Density of metal = 1.3157 g/cm^3

Mass, Volume and Density

Given Data

Mass of cube = 25g

Volume of cube = 19 cm^3

With the given data we can find the density of the unknown sample

Density is expressed as = Mass/Volume

Density = 25/19

Density = 1.3157 g/cm^3

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A stop sign in the shape of a regular octagon is inscribed in a circle. find each measure

Answers

The measure of arc NPQ is 180° while the measure of m<AOB is 69°.

How many sides does the shape of an octagon have?

An octagon is known to be a type of  polygon that is said to have up to 8 sides.

It is often consist of eight angles. The term Octagon connotes the addition of Octa + gon. The octa signifies eight and gon implies sides.

When you look at the image, you will see that NPQ is 180° while the measure of m<AOB is 69°.

See full question below

A stop sign in the shape of a regular octagon is inscribed in a circle.

What is the measure of arc NPQ?

M

A. 45°

B. 90°

C. 135°

D. 180°

2. In the figure at the right points A, B, C are on 00, and m<ACB = 690

What is the m<AOB?

A. 69°

B. 138°

C. 2780

D. 360°

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If δdef and δmno are two triangles such that de ≅mn and ef ≅ no, which of the following would be sufficient to prove the triangles are congruent?

Answers

The information that would be sufficient to prove that both triangles are congruent by the SAS congruence theorem is: ∠E ≅ ∠N.

What is the Side-angle-side Congruence Theorem (SAS)?

When two sides and one included angle in a triangle is congruent to two corresponding sides and an included angle in another triangle, both triangles are congruent to each other by the SAS congruence theorem.

Thus:

ΔDEF and ΔMNO have:

Two pairs of congruent sides: DE ≅ MN and EF ≅ NO.

Therefore, the information that would be sufficient to prove that both triangles are congruent by the SAS congruence theorem is: ∠E ≅ ∠N.

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Harry's school is selling t-shirts to raise money for the archery team. The school will receive 35% of the total sales which can be modeled by the equation y = 0. 35x, where x represents the total number of sales. What is the meaning of the x-intercept in the equation?

Answers

Answer:

I think x is the number of sales graphed

Explanation:

If this is wrong im terribly sorry

Define a function print_feet_inch_short(), with parameters num_feet and num_inches, that prints using ' and " shorthand. End with a newline. Remember that print() outputs a newline by default. Ex: print_feet_inch_short(5, 8) prints: 5' 8" hint: use \" to print a double quote

Answers

The function print_feet_inch_short(), with parameters num_feet and num_inches, that prints using ' and " shorthand. End with a newline is as follows:

def print_feet_inch_short(num_feet, num_inches):

    print(str(num_feet) + " ' ", str(num_inches)+"\"")

print_feet_inch_short(5, 6)

Code explanation:

The code is written in python.

We defined a function named "print_feet_inch_short". The function accept two argument namely "num_feet" and "num_inches".We print the string format of our argument with the required apostrophe. Then, we finally call the function  with the required parameters.

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Answer:

def print_feet_inch_short(num_feet, num_inches):

   print(str(num_feet) + "'", str(num_inches)+"\"")

Explanation:

Two sustainable ways in which businesses could assist school leavers

Answers

Answer:

businesses could provide internships for them or prep them for getting a job in the real world.

Explanation:

mr clean

Two hamsters work together and move a pile of sunflower seeds in 7 1/2 minutes

Answers

It would take the first hamster 20 minutes to do it alone and the second hamster 12 minutes to do it alone.

What is an equation?

An equation is an expression that is used to show the relationship between two or more numbers and variables.

Let x represent the rate of the first hamster and y the rate of the second hamster. One hamster need 8 more minutes to do it alone, hence:

x = y + 8

The Two hamsters work together and move a pile of sunflower seeds in 7 1/2 minutes, hence:

(1/x + 1/y)7.5 = 1

(1/(y + 8) + 1/y)7.5 = 1

Hence:

y = 12

x = y + 8 = 12 + 8 = 20

It would take the first hamster 20 minutes to do it alone and the second hamster 12 minutes to do it alone.

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Which word best describes a scientific hypothesis?

Answers

Answer:

"educated guess" is the correct answer

What is the moral dilemma affecting brutus in this passage? he is blaming himself for cassius’s death. he is trying to decide whether, upon his victory, he should kill antony or let him live. he has to choose between honoring his friend’s death and winning a battle. he has to choose between giving cassius’s position to labio and giving it to flavio.

Answers

Answer:

c. He has to choose between honoring his friend’s death and winning a battle.

Explanation:

trust me

Based on this passage, the moral dilemma affecting brutus is that: C.  he has to choose between honoring his friend’s death and winning a battle.

What is an inference?

In English literature, an inference is a strategic process through which a reader deduce the meaning and message that is associated with a passage or sentence (statement) in a literary work, especially through induction.

Based on the excerpt, we can infer and draw a logical conclusion that the the moral dilemma affecting brutus is that he has to choose between honoring his friend’s death and winning a battle.

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#SPJ2

Ch4-ch4 interactions: do the ch4 molecules appear to attract each other much? briefly describe their interaction

Answers

The CH₄ molecules appear to attract each other because it's non-polar molecule.

What is a molecule?

A molecule simply means a group of atoms which are bonded together by a chemical bond.

In this case, the CH₄ molecules appear to attract each other because it's a non-polar molecule. Two CH₄ molecules attract each other with the weakest force.

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In the context of the passage, "coarse" (sentence 1) is best interpreted as

Answers

In the context of the passage, "coarse" is best interpreted as crude.

Fetters and headsmen.

In the passage, it was stated by the author that tyranny formerly employed Fetters and headsmen and they were described as coarse instruments; however, their current civilization has perfected despotism itself, though it seemed to have nothing to learn.

Based on the excerpt, the author's use of the word "coarse" is best interpreted as crude because they were unrefined in their thinking and manner approach to work. Thus, they didn't learn anything new with respect to the civilization of their time.

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What are the domain and range of the function f(x) = 3x + 5? domain: ; range: domain: ; range: domain:; range: domain: ; range:

Answers

Answer:

b

Explanation:

look at domain and range

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