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## Brenda throws a dart at this square-shaped target: Part A: Is the probability of hitting the black circle inside the target closer to 0 or 1? Explain your answer. (5 points) Part B: Is the probability of hitting the white portion of the target closer to 0 or 1? Explain your answer. (5 points)

Either way.  The probability of hitting the circle is:

P(C)=Area of circle divided by area of square

P(W)=(area of square minus area of circle divided by area of square

P(C)=(πr^2)/s^2

P(W)=(s^2-πr^2)/s^2

Okay with know dimensions, r=1 (because r=d/2 and d=2 so r=1), s=11 we have:

P(inside circle)=π/121  (≈0.0259  or 2.6%)

P(outside circel)=(121-π)/121  (≈0.9744 or 97.4%)

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## Match the words in the left-hand column to the appropriate blank in the sentences in the right-hand column. use each word only once. hints helpreset coma plasma tail oort cloud kuiper belt meteor shower nucleus 1. about a trillion comets are thought to be located far, far beyond pluto in the . 2. the bright spherical part of a comet observed when it is close to the sun is the . 3. a comet’s stretches directly away from the sun. 4. a comet’s is the frozen portion of a comet. 5. particles ejected from a comet can cause a(n) on earth. 6. the extends from about beyond the orbit of neptune to about twice the distance of neptune from the sun.

1. About a trillion comets are thought to be located far, far beyond pluto in the Oort cloud. Oort cloud is theoretical cloud of predominantly icy planetesimals and. Many scientists have a belief that it surrounds the Sun at the distance of approximately between 50,000 and 200,000 AU. Such forces as  passing stars and of the Milky Way usually easily affect the outer Oort cloud and dislodge comets right from their orbits through the Oort the cloud and then they send them to the the inner Solar System.
2. The bright spherical part of a comet observed when it is close to the sun is the coma. When coma is viewed by a telescope it looks quite fuzzy and, unlike the stars, it does not have legible form. Such a phenomenon as the coma is created when a comet comes too close to the sun, then a comet warms and sublimes its parts. These parts are placed  around  the nucleus of a comet forming sort of envelope.
3. A comet’s plasma tail stretches directly away from the sun. Both coma and comet’s tail are visible parts of a comet, and when the comet passes through the inner Solar System we it becomes visible right from Earth. Usually comets have two tails :the blue plasma tail and the red dust tail. The plasma tail is formed by an interaction between the solar wind and the cometary plasma. And the dust tail is caused due to the activity of solar radiation pressure directed to the cometary dust.

4. A comet’s nucleus is the frozen portion of a comet. The conet nucleus is  the solid center of the head of a comet that is also called ”dirty snowball” or an ”icy dirtball” among astronomists. It consists of rock, dust, and frozen gases and when they are heated by the Sun they form a coma (which is an atmosphere that surrounds nucleus) by sublimating of the gases.

5. Particles ejected from a comet can cause a meteor shower on Earth. A meteor shower is a celestial phenomenon during which we can see how meteors radiate. The meteors which we can observe are formed by meteoroids that enter Earth’s atmosphere at extremely high speeds and they usually move in parallel directions. Some of the meteors are too small and often don’t even reach the surface of Earth as they disintegrate during the entering process.

6. The Kuiper Belt extends from about beyond the orbit of neptune to about twice the distance of neptune from the sun.  It is the circumstellar disc that uccurs in the Solar System beyond the already known planets. Its formreminds of asteroid belt, but it is far larger, to be more exact in 20 times. I

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## Which portion of the electrocardiogram represents the time during which the ventricles are in systole?

The Q-T interval in the electrocardiogram represents the time during which the ventricles are in systole. It is the time period between ventricular depolarization and ventricular repolarization, that occurs during ventricular systole. Normal QT varies from 0.36 o 0.44 seconds, depending on age and gender.

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## Which of these empires had control over large portion of the former roman empire

Roman engineers built bridges and roads, which allows for more quicker travel from one part of the empire to another. They also built forts and walled cities in many places, and filled them with supplies, so that if there was a revolt, the Romans there (if they are outnumbered) are able to take refuge inside until reinforcements arrived.
These all help their military have a higher chance of surviving, faster transportation, etc, and it made their armies the most strongest in that era

hope this helps

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## Look at this portion of the Social Media Policy for Widget Corp. Which text features does this section contain? Check all that apply. a) bolded words b) italicized words c) a roman numeral d) a bulleted list e) a numbered list

Look at this portion of the Social Media Policy for Widget Corp. Which text features does this section contain? Check all that apply. a) bolded words b) italicized words c) a roman numeral d) a bulleted list e) a numbered list

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## Look at this portion of the Social Media Policy for Widget Corp. Which text features does this section contain? Check all that apply. a) an outline format b) italicized words c) a roman numeral d) bolded words e) a bulleted list

Look at this portion of the Social Media Policy for Widget Corp. Which text features does this section contain? Check all that apply. a) an outline format b) italicized words c) a roman numeral d) bolded words e) a bulleted list

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## Why does muscle account for such a large portion of your body mass?

The integumentary system covers the surface of the body is true about the integumentry system.

Explanation:

The integumentary system includes the skin, nails, glands, hairs, and nerves. Its main role is to act as a barrier to protect the body from the outside environment. It also retains body fluids, regulates body temperature, eliminates waste products, and protects against disease.

The integumentary system is the largest organ in the body that covers the surface of the body.

Thus, The integumentary system covers the surface of the body is the true statement about the integumentry system.

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## Naomi draws a portion of a figure as shown. She wants to construct a line segment through R that makes the same angle with QE as PQ.

The basis to respond this question are:

1) Perpedicular lines form a 90° angle between them.

2) The product of the slopes of two any perpendicular lines is – 1.

So, from that basic knowledge you can analyze each option:

a.Lines s and t have slopes that are opposite reciprocals.

TRUE. Tha comes the number 2 basic condition for the perpendicular lines.

slope_1 * slope_2 = – 1 => slope_1 = – 1 / slope_2, which is what opposite reciprocals means.

b.Lines s and t have the same slope.

FALSE. We have already stated the the slopes are opposite reciprocals.

c.The product of the slopes of s and t is equal to -1

TRUE: that is one of the basic statements that you need to know and handle.

d.The lines have the same steepness.

FALSE: the slope is a measure of steepness, so they have different steepness.

e.The lines have different y intercepts.

FALSE: the y intercepts may be equal or different. For example y = x + 2 and y = -x + 2 are perpendicular and both have the same y intercept, 2.

f.The lines never intersect.

FALSE: perpendicular lines always intersept (in a 90° angle).

g.The intersection of s and t forms right angle.

TRUE: right angle = 90°.

h.If the slope of s is 6, the slope of t is -6

FALSE. – 6 is not the opposite reciprocal of 6. The opposite reciprocal of 6 is – 1/6.

So, the right choices are a, c and g.

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## Which of these empires had control over a large portion of the former Roman Empire

Roman engineers built bridges and roads, which allows for more quicker travel from one part of the empire to another. They also built forts and walled cities in many places, and filled them with supplies, so that if there was a revolt, the Romans there (if they are outnumbered) are able to take refuge inside until reinforcements arrived.
These all help their military have a higher chance of surviving, faster transportation, etc, and it made their armies the most strongest in that era

hope this helps

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## Which of the following describes the graph of a linear function? It is V shaped and passes through the origin. Its y-values increase at a constant rate as its x-value increases. It is a straight line in one portion and a curve in another portion. Its y-values increase at a nonconstant rate as its x-value increases.

The basis to respond this question are:

1) Perpedicular lines form a 90° angle between them.

2) The product of the slopes of two any perpendicular lines is – 1.

So, from that basic knowledge you can analyze each option:

a.Lines s and t have slopes that are opposite reciprocals.

TRUE. Tha comes the number 2 basic condition for the perpendicular lines.

slope_1 * slope_2 = – 1 => slope_1 = – 1 / slope_2, which is what opposite reciprocals means.

b.Lines s and t have the same slope.

FALSE. We have already stated the the slopes are opposite reciprocals.

c.The product of the slopes of s and t is equal to -1

TRUE: that is one of the basic statements that you need to know and handle.

d.The lines have the same steepness.

FALSE: the slope is a measure of steepness, so they have different steepness.

e.The lines have different y intercepts.

FALSE: the y intercepts may be equal or different. For example y = x + 2 and y = -x + 2 are perpendicular and both have the same y intercept, 2.

f.The lines never intersect.

FALSE: perpendicular lines always intersept (in a 90° angle).

g.The intersection of s and t forms right angle.

TRUE: right angle = 90°.

h.If the slope of s is 6, the slope of t is -6

FALSE. – 6 is not the opposite reciprocal of 6. The opposite reciprocal of 6 is – 1/6.

So, the right choices are a, c and g.

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## The polar portion of a cholesterol molecule, which forms hydrogen bonds with the polar heads of neighboring phospholipids and glycolipids, consists of a

The balanced chemical reaction is as shown below,

N₂ + 3H₂  –> 2NH₃

The equation shows that every 3 moles of hydrogen, H2, there would be 2 moles of ammonia, NH3, that is going to be formed. Using this concept, we solve for the unknown in this item.

Since we are restricted only of the number of hydrogen, it becomes our limiting reactant.

(6 moles H2) x (2 moles NH3/3 moles H2) = 4 moles NH3

Therefore, given enough amount of N2, the amount of NH3 that can be formed out of the 6 moles of H2 is equal to 4 moles.

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## Dirk just failed the driving portion of his driver’s license exam. dirk will most likely explain his failure by saying that he could not see well because it was raining. does not have good spatial or navigational skills. did not practice driving enough. did not study the driver’s manual very well.

Americans will pay more for goods produced in Mexico in 2011.

Explanation:

This is a situation of devaluation of the dollar in relation to the Mexican peso. If in 2009 the dollar was worth 16 pesos, but in 2011 it is 14, it means that the purchasing power of the dollar in relation to the Mexican peso has decreased, although it is still high.

In that case, for an American to buy products produced in Mexico in 2011, he or she will spend a little more dollars than he or she would spend in 2009. This is common, since the currencies fluctuate according to the financial market . Thus, the dollar can be valued or devalued, as happened in this example.

If, for example, in 2015 the dollar will buy 20 pesos, it will mean that the dollar appreciated in relation to the peso, increasing the purchasing power of Americans for Mexican products.

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## Bilal is sharing candy with 6 of his friends. He has 5 over 6 of a bag of candy left after he takes what he wants. What fraction of candy will each of his friends get if he shares equally with them? _____ of the bag Jenny and Hanan are collecting clothes for a clothing drive. Hanan collected 1 half as many bags of clothes as Jenny did. If Jenny collected 3 over 4 of a bag of clothes, what portion of a bag of clothes did Hanan collect? _____bags

The basis to respond this question are:

1) Perpedicular lines form a 90° angle between them.

2) The product of the slopes of two any perpendicular lines is – 1.

So, from that basic knowledge you can analyze each option:

a.Lines s and t have slopes that are opposite reciprocals.

TRUE. Tha comes the number 2 basic condition for the perpendicular lines.

slope_1 * slope_2 = – 1 => slope_1 = – 1 / slope_2, which is what opposite reciprocals means.

b.Lines s and t have the same slope.

FALSE. We have already stated the the slopes are opposite reciprocals.

c.The product of the slopes of s and t is equal to -1

TRUE: that is one of the basic statements that you need to know and handle.

d.The lines have the same steepness.

FALSE: the slope is a measure of steepness, so they have different steepness.

e.The lines have different y intercepts.

FALSE: the y intercepts may be equal or different. For example y = x + 2 and y = -x + 2 are perpendicular and both have the same y intercept, 2.

f.The lines never intersect.

FALSE: perpendicular lines always intersept (in a 90° angle).

g.The intersection of s and t forms right angle.

TRUE: right angle = 90°.

h.If the slope of s is 6, the slope of t is -6

FALSE. – 6 is not the opposite reciprocal of 6. The opposite reciprocal of 6 is – 1/6.

So, the right choices are a, c and g.

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## Which rule would help you punctuate the bold portion of this sentence correctly? “Please Cooper’s dad requested, “go see what the dog is barking at outside.” A. Question Mark or Exclamation Point Inside Rule B. Colon or Semicolon Outside Rule C. Question Mark or Exclamation Point Outside Rule D. Comma or Period Inside Rule

Hey there!

Correct answer is D. Comma or Period Inside Rule

A. Question mark or exclamation point inside: those are not really necessary.

B. Colon or semicolon: not, a semicolon would divide the whole sentence and it would be shorten; a colon would work but after requested, when there is already a comma.

C. Question mark or Exclamation Point Outside Rule: would not work, becase it is an very polite and affirmative sentence.

D: A comma or period inside rule: actually, just a comma would work. Please, Cooper’s dad requested, go… Cooper’s dad requested must be in between commas as it is a vocative.

Hope this helps

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## A sales associate wants to earn at least \$90,000 next year. she plans that 60% of the income will come from listings sold and 40% from sales made. if the average commission from listings sold is \$3,000, how many listings must she sell in order to achieve that portion of her goals?

From economics, we know that the formula for Profit is:

Profit = Income – Total Cost

Case 1: Continue producing and selling product x

income is calculated as:

Income = (\$30 / unit) * (20, 000 units)

Income = \$ 600, 000

Total cost is composed of both the fixed cost and variable
cost:

Total cost = Variable cost + Fixed cost

Total cost = (\$21 / unit) * (20, 000 units) + \$250,000

Total cost = \$670, 000

Therefore, the profit of producing and selling product x
each month is:

Profit = \$ 600, 000 – \$670, 000

Profit 1= – \$70, 000        (decifit)

Case 2: Discontinue producing and selling product x

Since there is no income but there is unavoidable fixed
cost of \$50,000, therefore:

Profit 2 = – \$50, 000       (deficit)

The company’s overall net operating income would be the
change in profit (deficit in this case):

Net operating income = Profit 2 – Profit 1

Net operating income = – \$50, 000 – (- \$70, 000)

Net
operating income = \$20, 000

Therefore
discontinuing product x would result in an increase in the overall net
operating income by \$20,000 per month.

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## Which of the following countries contains the largest portion of rainforest? Argentina Venezuela Brazil Chile

Which of the following countries contains the largest portion of rainforest? Argentina Venezuela Brazil Chile

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## Which country during Cold War is being described in the statement? PLEASE HELP “As in Germany, the capitalist portion of the country had an economic boom and rising standards of living, while the communist zone went through economic stagnation and decline.” a) Korea b) Thailand c) Phillipines d) Cambodia

Television being a vast wasteland means that
television is worthless and has no positive values. As
Newton said, “”You will
see a procession of game shows, formula comedies about totally unbelievable
western good men, private eyes, gangsters, more violence, and cartoons. And
endlessly commercials — many screaming, cajoling, and offending. And most of
all, boredom. True, you’ll see a few things you will enjoy. But they will be
very, very few.” With this,
I do agree with him since he speaks the reality of TV shows these days.

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## Read the sentence from an argumentative essay about the economy. The unstable economy caused lots of people to lose their jobs. Which revision exhibits the best word choice for the underlined portion of the sentence? a.chaos with people losing their jobs b.lots of people to get fired c.a drastic increase in unemployment d.a change in the number of people employed

The best answer is A because distinctive and prominent both similarly mean “important.”

B won’t work because although the paragraph does go on to tell the readers what the trunk does, the two words themselves doesn’t tell the readers anything about the usage of the trunk.

C won’t work because the elephants not only use their trunks when they’re young, but also as they get older.

D won’t work because the words doesn’t tell readers what the trunk looks like. The words aren’t really descriptive words.

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## Which portion of your resume would you most accurately find your sat/act scores?

Which portion of your resume would you most accurately find your sat/act scores?