"Dondarrion's Wood," Galshore said to herself as she approached the dense growth of trees. She spied all kinds of trees and shrubs. Galshore prided herself on her knowledge of plant life, but there were three trees that she did not recognize. She regarded the strange trees for a moment then turned to the trees she knew. She saw ten sprightly maple trees eager to catch the sun. She saw four ancient and venerable oaks placidly lording over the wood. She saw two cedars, four pines, a birch and seven sycamores. A crow quorked. Galshore looked up searching. She spotted the crow perched at the top of one of the maple trees hidden behind the sycamores. The crow quorked again. Galshore was a little afraid. The wood was dark. She felt a coolness linger and caress her face. Galshore concentrated on listening and noticed other sounds coming from the wood. They were strange sounds. She wondered what sort of animals made such sounds and shivered. Galshore turned and sat on a boulder.
She stared into the wood for fifteen minutes wondering about the strangeness of the wood and trying to peer through the shadows of leaf and branch to discover what awaited her in the wood. "It is the only way to Ten Alders," she said under her breath.
A light breeze shimmered through the cedars. Galshore smelled oak and pine and remembered.
"Father, what will we do when the Kargs come to Oranea?" Galshore asked.
The stout merchant sat down by the fire with a book. "Galshore dear child, fear not for our safety." He leaned forward in his high backed chair. "The walls of our city are strong. We are well protected by stone and metal."
"What about food?" Galshore asked. "Do we have enough food to survive if the Kargs stay outside our walls for a long time?"
Galshore's father took a sip of Merasha tea. "We have been storing grain for quite some time. I have calculated that we have enough grain to give each of the 2200 inhabitants of Oranea one and one half pounds of grain each week. Never fear, you shall continue to enjoy cakes and cookies even if the Kargs come." He folded his hands and looked down at Galshore. "We shall not be troubled by mindless Kargs.
Our hard work will not be undone by savages and brutes. The beauty we have created here will be protected. We are safe. asked.
"What about your Merasha? Maybe we should give it to the Kargs," Galshore Galshore's father hooked his thumbs under his belt and smiled. "So you would invite the Kargs to tea my little dear? Even if they could learn to precisely measure the proper proportions of 5 parts black lion's fennel leaf to two parts greebe root and seven parts prisic, they don't believe in medicines of any kind. They have some sort of superstition that medicines weaken the body and rob the true warrior of his strength and turn him into a zombie or some such nonsense."
Galshore's father picked up his book.
Galshore was curious, "Why do the Kargs want to attack us?"
Galshore's father sighed. "The Kargs are not nice. They do not build and work.
They plant no crops. They only know how to destroy, so they have nothing of their own. They steal from others. They know nothing of peace or beauty. They know only the violence and disorder they bring wherever they go."
Galshore clasped her knees. "Why don't we give them some food if they have none of their own? I want to give them half of my one and a half pounds of grain I am to receive each week."
Galshore's father smiled. "I am afraid my dear that would only insult the
Kargs. There is no reasoning with them. They must destroy or be destroyed. Misery is like a comfortable warm blanket for them."
The crow left its tree and perched on a rock in front of Galshore and cawed loudly. Galshore started. The crow regarded her curiously. "I wish you had been right father," Galshore whispered into the darkness of the wood. "I wish you had been right." She stepped into a green unknown world of shade and shadows.

QUESTIONS:
1. What percentage of the trees were oaks?
2. If over the span of one year the number of pines were increased by 3, cedars by 2, sycamores by 1 , oaks by 5 and birches by 4; by what fraction would the total number of trees have increased?(don’t forget the unknown trees)**
3. Make a table of the propagation of the trees in Dondarrion’s Wood over a year. The table should include information about the fractional changes in tree proliferation over the year. (use all the info at your disposal including the info from question 2 -and don’t forget the unknown trees)**
4. What percentage of the trees were unknown to Galshore?(first year)
5. How much grain would it take to feed the inhabitants of Oranea for one year?
6. If Galshore gave 24% of her grain to the Kargs for one week, how much grain would she have left for that week?
7. How much prisic would be contained in 13 pounds of Merasha Tea?. **
8. How much greebe root would be contained in 13 pounds of Merasha Tea?**

Answers

Answer 1

In reality, only 55% of the calories produced by crops around the world are consumed directly by humans. Animal feed accounts for an additional 36% of usage.

How much grain is used for animal feed?The percentage of crops grown for human consumption compared to all crops farmed for animal feed or biofuels is fascinatingly depicted on this National Geographic map:In reality, only 55% of the calories produced by crops around the world are consumed directly by humans. Animal feed accounts for an additional 36% of usage. The remaining 9% is used for biofuels and other industrial applications. (Those numbers are from a study by Emily Cassidy and colleagues at the Institute on the Environment at the University of Minnesota.)Just 27% of crop calories in the US are directly ingested, such as wheat or Californian fruits and vegetables. In the US, these figures are even more startling.As opposed to this, animal feed accounts for almost 67 percent of all crops, especially the soy farmed in the Midwest. Ethanol and other biofuels receive a part of the remaining funds.Of course, some of that feed for animals does eventually end up as food, but the process is a lot, lot more deceptive. Just 12 calories of chicken or 3 calories of beef, for example, are made from grain, which requires roughly 100 calories.

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Answer 2

14.3 percentage of the trees were oaks, The total number of trees have increased by: 15/28.

How to solve the following?There were 4 ancient oaks and a total of ten sprightly maple trees, four ancient oaks, two cedars, four pines, a birch, and seven sycamores, so the percentage of oaks would be 4/(10+4+2+4+1+7) = 4/28 = 14.3%.The total number of trees was 10+4+2+4+1+7 = 28, and the increase over one year was 3+2+1+5+4 = 15. The fractional increase would be 15/28 = 0.5357.The fractional change in tree proliferation for each type of tree over the year is not specified in the text.The total number of trees was 28, and Galshore did not recognize three of the trees, so the percentage of unknown trees would be 3/28 = 10.7%.2200 people would each receive one and a half pounds of grain per week for 52 weeks in a year, so the total amount of grain required would be 2200 x 1.5 x 52 = 183,400 pounds.If Galshore received 1.5 pounds of grain each week, and gave away 24% of it, she would have 1.5 x (1 - 0.24) = 1.5 x 0.76 = 1.14 pounds left for the week.The proper proportions of 5 parts black lion's fennel leaf to two parts greebe root and seven parts prisic are not specified.The amount of prisic contained in 13 pounds of Merasha Tea is not specified, so this question cannot be answered.

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Related Questions

Paul and $10 for mowing 2 lawns. What is the rate she earned per per lawn mowed  

Answers

Answer:

5$ Per Lawn

Step-by-step explanation:

10$/2=5$

2/2=1

MARK ME BRAINLISIST

Answer: the rate she is earning is 5$ per lawn mowed

Step-by-step explanation:

if she earns 10$ after mowing 2 lawns then if you divide 10 and 2 you get 5

Please make me brainllest

What is the value of x in this proportion?

56=−4x+2

Responses

x=−2 4/5
x equals negative 2 and 4 over 5

x=−4 2/5
x equals negative 4 and 2 over 5

x=−5 1/5
x equals negative 5 and 1 over 5

x=−6 4/5
x equals negative 6 and 4 over 5

Answers

The value of x or the expression 56 = -4x + 2 is -27/2.

What is an expression?

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

56 = -4x + 2

Solve for x.

56 = -4x + 2

Subtract 2 on both sides.

56 - 2 = -4x

54 = -4x

Divide -4 into both sides.

-54/4 = x

x = -54/4

x = -27/2

x = -13(1/2)

Thus,

The value of x is -27/2.

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Sally has a leaking faucet in her bathroom. When she first noticed the leak, there was a puddle that was 2 inches in diameter. Each hour, the diameter will triple in size. If Sally doesn’t do anything to stop the leak, how large will the puddle be after 10 hours?

Answers

The required size of the hole after 10 hours will be 118098 inches.

What are equation models?

The equation model is defined as the model of the given situation in the form of an equation using variables and constants.

here,

Sally has a leaking faucet in her bathroom. When she first noticed the leak, there was a puddle that was 2 inches in diameter.

According to the given condition

let Y be the size of the hole after 10 hours

Y=2×3¹⁰

Y=118098

Thus, the required size of the hole after 10 hours will be 118098 inches.

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according to government data, 22 percent of children in the united states under the age of 6 years live in households with incomes that are classified at a particular income level. a simple random sample of 300 children in the united states under the age of 6 years was selected for a study of learning in early childhood. if the government data are correct, which of the following best approximates the probability that at least 27 percent of the children in the sample live in households that are classified at the particular income level? (note: z represents a standard normal random variable.) A. P( z>(0.27-0.22)/root((0.22)(0.73))/300 B. P( z>(0.27-0.22)/root((0.27)(0.73))/300 C. P( z>(0.22-0.27)/root((0.22)(0.78))/300 D. P( z>(0.22-0.27)/root((0.27)(0.73))/300

Answers

The probability that at least 27 percent of the children in the sample live in households that are classified at a particular income level is [tex]P(z > (0.22-0.27)/ \sqrt{(0.27)(0.73)/300}.[/tex] Hence, the correct answer is option D.

This probability can be calculated using the normal approximation to the binomial distribution, with the sample proportion (p-hat) being 0.27, the population proportion (p) being 0.22, and the sample size (n) being 300.

The formula for the standard error of a sample proportion is -

[tex]\sqrt{p(1-p)/n}[/tex]

substituting the values, we get,

[tex]\sqrt{(0.27)(0.73)/300}.[/tex]

Then, we use the formula for a standard normal probability -

P(z > (p-hat - p)/standard error),

substituting the values, we get,

[tex]P(z > (0.22-0.27)/ \sqrt{(0.27)(0.73)/300}.[/tex]

Hence, the probability that at least 27 percent of the children in the sample live in households that are classified at a particular income level is [tex]P(z > (0.22-0.27)/ \sqrt{(0.27)(0.73)/300}.[/tex]

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How many terms are there in the sequence 10, 13, 16, 19, …, 238

Answers

According to the information there are 76 numbers in the sequence between 10 and 238.

How to calculate how many terms are there in the sequence?

To calculate how many  terms there are in the sequence we have to perform the following mathematical operation:

238 - 10 = 228228 / 3 = 76

According to the above, there are 76 numbers in the sequence between 10 and 238. Also, we can prove this calculating each number:

10, 13, 16, 19, 22, 25, 28, 31, 34, 37, 40, 43, 46, 49, 52, 55, 58, 61, 64, 67, 70, 73, 76, 79, 82, 85, 88, 91, 94, 97, 100...

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Which icon points out the Essential Question that you should be able to answer by the end of the lesson?

A.
A question mark icon is shown.
B.
An icon of a computer mouse is shown.
C.
A hand icon is shown.
D.
A book icon is shown.

Answers

The icon that points out the Essential Question that you should be able to answer by the end of the lesson is this:

C. A hand icon is shown.

What is the function of a hand icon in a text?

A hand icon is used for the purpose of identifying the important questions that should be answered at the end of the lesson. It shows that the reader should pay careful attention to the indicated question as they may have to provide an answer to it by the end of the lesson.

Icons in reading have different meanings and understanding their purposes will lead to a more immersive reading.

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the directions are : The table shows a proportional relationship between x and y. What is the unit rate of y per x. ​

Answers

Since the table shows a proportional relationship between x and y, the unit rate of y per x is equal to 4.

What is a proportional relationship?

In order to have a proportional relationship and equivalent ratios, the variable (x) and the variable (y) must have the same constant of proportionality.

Next, we would calculate the constant of proportionality (k) as follows:

Constant of proportionality (k) = y/x

Constant of proportionality (k) = 12/3 = 20/5 = 24/6 = 32/8

Constant of proportionality (k) = 4.

In this context, we can reasonably infer and logically deduce that the unit rate for this proportional relationship is equal to 4.

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Complete Question:

The table shows a proportional relationship between x and y what is the unit rate of y per x (3, 5, 6, 8) (12, 20, 24, 32)?

8. Stick A is 120 cm shorter than stick B. Stick C is 84 cm shorter than stick B. Sticks A, B, and C have a total length of 360 cm. What is the total length (in meters and centimeters) of sticks A and C?​

Answers

The total length of A+C will be 172 cm(unit).

What is a unit?

Units are the tools to measure and compare different things. Comparison becomes easy when all the units for the measurement are the same.  Different units can be classified depending on their use. A few of the units can be classified as:

The seven SI base units (The International System of Units (SI), commonly known as the metric system, is the international standard for measurement) which are comprised of:

Length - meter (m)

Time - second (s)

Amount of substance - mole (mole)

Electric current - ampere (A)

Temperature - kelvin (K)

Luminous intensity - candela (cd)

Mass - kilogram (kg)

Now,

Given B-A=120   -->1

B-C=84              -->2

A+B+C=360      -->3

Therefore, from equations 1,2 and 3

B-120+B+B-84=360

B=188

By putting B=188 in 1 and 2

A=68

C=104

A+C=172cm

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Select all the equations that are NOT equivalent to p-7=22

Answers

The equivalent expressions are B. p-7-p = 22 -, C. p - 7 + 22 = 22 - 7, D. p - 7 + 7 = 22 - 22

What are algebraic expressions?

Algebraic expressions are simply defined as expressions that comprised of terms. coefficients, factors, constants and variables.

They are also made up of some operations which are arithmetic. They include;

AdditionMultiplicationBracketFloor divisionParenthesesSubtractionDivision

From the information given, we have the equation as;

p- 7 = 22

To solve the equation, collect like terms

p = 22 + 7

Add the like terms

p = 29

Hence, the value is 29

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The complete question:

Which equation is NOT equivalent to p- 7 = 22? Select all that apply.

A. p-p-7 = 22-p

B. p-7-p = 22 -

C. p - 7 + 22 = 22 - 7

O

D. p - 7 + 7 = 22 - 22

Ep-7 + 7 = 22 +7

Emma is buying a gift for her mother's birthday. She purchases flowers and a gift certificate that cost a total of $68, not including tax. If the cost of the gift certificate is $14 more than 2 times the cost of the flowers, what is the cost of the flowers? Set up a system of equations, then solve using a matrix.

Answers

The cost of the flowers she bought for her mum alone would be = $18

How to calculate the cost of flowers?

The items purchased by Emma = flowers and a gift certificate.

The total cost of the flowers and a gift certificate = $68

But, cost of gift certificate= $14 +2x

cost of flower = X

That is 14 + 2x + X = 68

2x + X = 68 - 14

3X = 54

X = 54/3

X= $18

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When using the multiplication method, it is important to multiply all the terms on both sides of the equation—not just the one term you are trying to eliminate

Answers

As per the elimination method, in order to solve a system of equations when multiplication is necessary to eliminate a variable.

The term equation is known as algebra is a statement of equality that contains one or more unknown quantities or variables.

Here we have given that When using the multiplication method, it is important to multiply all the terms on both sides of the equation, then here we do not just the one term you are trying to eliminate.

According to the rule of elimination method we all know while solving systems of linear equations uses the addition property of equality. You can add the same value to each side of an equation.

So in order to multiplying to solve linear systems is to find a number to multiply to one or both of the equations so that the x or y terms in one of the equations will have opposite coefficients from the x or y in the other equation.

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A file that is 237 megabytes is being downloaded. If the download is 17.6% complete, how many megabytes have been downloaded?

Answers

Answer:

Step-by-step explanation:

The answer is 42 MB.If it's round to nearest tenth than it's 40 MB

Find the length of the midsegment of the trapezoid with the vertices S(-2,4) ,T(-2,-4) ,U(3,-2) ,V(13,10)

Answers

11.69 is the exact length needed for the mid-segment of the trapezoid with STUV vertices.

What is trapezoid?

The Greek roots of the term trapezoid are trapeza, which means "table," and -oeides, which means "formed." A trapezoid is shaped like a table. It has two parallel sides, which are often referred to as the figure's bases. Take the average of the bases and multiply it by the height to determine the area of a trapezoid.

According to question:

We have,

vertices S(-2,4) ,T(-2,-4) ,U(3,-2) ,V(13,10).

Half of the lengths of the two parallel sides, ST and UV, make up the length of the trapezoid's middle section.

The trapezoid's vertices are S(2, 4), T(2, 4), U(3, 2), and V. (13, 10).

The distance formula is then used to calculate the length of the ST and UV sides;

Length = [tex]\sqrt{x_{2}-x_{1}+y_{2}-y_{1}}[/tex]

Side ST's length is S(-2, 4), T(-2, -4).

ST = [tex]\sqrt{x_{2}-x_{1}+y_{2}-y_{1}}[/tex]

ST = [tex]\sqrt{(-2-(-2))^2+(-4-(4))^2[/tex]

ST = [tex]\sqrt{0 + 64}[/tex]

ST √64

ST = 8

Side UV's length is U(3, 2), V. (13, 10).

UV = [tex]\sqrt{(13-3)^2+(10-(-2))^2[/tex]

UV = [tex]\sqrt{(10)^2+(12)^2[/tex]

UV = √244

UV = 15.62

Therefore,

The mid-segment STUV's length is,

Length of mid-segment = (ST + UV)/2

Length of mid-segment = (8 + 15.62)/2

Length of mid-segment = (23.62)/2

Length of mid-segment = 11.81

Therefore, 11.69 is the exact length needed for the mid-segment of the trapezoid with STUV vertices.

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Determine how (if possible) the triangles can be proved similar.
Select one:
A. SAS~
B. SSS~
C. Not Similar
D. AA~

Answers

The triangles are proved similar by; D. AA similarity.

What are similar angles of triangles?

When on comparing the sides and measures of internal angles of two or more triangles, if there is a common properties among them, then the triangles are similar. Note that being similar does not imply that they are congruent.

So that on comparing the properties of the two triangles given, it can be inferred that:

the two traingles are similar by Angle-Angle theorem which states that; when two angles of two triangles are the same, then the triangles are similar.

Therefore, the statement to prove that the triangles are similar is giben in option D. AA similarity.

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Quinn deposit $3000 into a savings account her freshman year of college. She will earn simple interest on the account at 2.56%. If she makes no contributions or withdrawals, what will the accrued value of the account be when she graduates four years later 

Answers

[tex]~~~~~~ \textit{Simple Interest Earned Amount} \\\\ A=P(1+rt)\qquad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill & \$3000\\ r=rate\to 2.56\%\to \frac{2.56}{100}\dotfill &0.0256\\ t=years\dotfill &4 \end{cases} \\\\\\ A = 3000[1+(0.0256)(4)] \implies A=3000(1.1024)\implies A = 3307.2[/tex]

24(20) this is my question please answer

Answers

Answer:

480

Step-by-step explanation:

Lets break this down to make it even easier

(24x2)x10

=(48)x10

=480

Answer:

If you are looking for the simplest form of 24/20 it is basically 6/5.

because if you multiply 6/5 by 4/4 you could get the answer which is 24/20.

and the same thing if you divide

I hope that I helped

Read the following prompt and type your response in the space provided.
Explain how to model the division of –24 by –4 on a number line.

Answers

To model the division of -24 by -4 on a number line, we can start at -24 and move to the left by -4 units at a time, counting the number of times we move until we reach 0.

How to explain the number line?

A number line is a diagram of a graduated straight line used to represent real numbers in elementary mathematics. It is assumed that each real number and each point on a number line correspond to one another.

Since -24 divided by -4 is 6, we would move to the left 6 times and end at 0 on the number line. The negative signs of the dividend and divisor indicate that the quotient will be a negative number.

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at a certain bakery, the price of each doughnut is $1.50. let the random variable d represent the number of doughnuts a typical customer purchases each day. the expected value and variance of the probability distribution of d are 2.6 doughnuts and 3.6 (doughnuts)2, respectively. let the random variable p represent the price of the doughnuts that a typical customer purchases each day. which of the following is the standard deviation, in dollars, of the probability distribution of p?

Answers

The standard deviation, in dollars, of the probability distribution of p is √(1.50 × 3.6) dollars.

We are given the following parameters -

Expected value = 2.6

Variance = 3.6

Price per doughnut = $1.50

Now we can write the price for the variance of the distribution as -

Price per doughnut × Variance

Variance = $1.50 × 3.6

The formula for the standard deviation of the distribution D in relation to the variance is given by -

Standard deviation = √variance

Standard deviation = √(1.50 × 3.6)

Therefore, the standard deviation of P in dollars will be √(1.50 × 3.6).

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Jamie answered 16 questions in 4/5 minutes. How many questions were answered per minute?

Answers

The number of questions that were answered per minute 20 questions

How to determine the number of questions?

the question reads: Jamie answered 16 questions in 4/5 minutes. How many questions were answered per minute?

You should number that a minute is made up of 60 seconds

This implies that 4/5 of a minute is given as 4/5 * 60

This is equal to 48 seconds

So every 48 seconds, Jamie answers 16 questions

This implies that (16*60)/48 = 20

Therefore in one minute Jamie would answer 20 questions

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Given the midsegment below:
41°
14
Z
z=[?]
62⁰
y
Enter

Answers

Z=1/2 • 14 = 7

Thus Z= 7

In the following situations, the sampling frame does not match the population, resulting in undercoverage. Give examples of population members that might have been omitted.
The population consists of all 250 students in your large statistics class. You plan to obtain a simple random sample of 30 students by using the sampling frame of students present next Monday. (Select all that apply.)
A. Students who are skipping class cannot be sampled.
B. Home-schooled students cannot be sampled.
C. Students who are not taking statistics cannot be sampled.
D. Dropouts cannot be sampled.
E. Students who are on a school trip cannot be sampled.
F. Students who are out sick cannot be sampled.

Answers

Answer:

c

Step-by-step explanation:

Help me ASAP math question.

Answers

The client should invest $8889 in AAA bonds, $4444 in A bonds, and $5667 in B bonds.

What is an equation?

An equation is a mathematical statement that is made up of two expressions connected by an equal sign.

Example: 2x + 4 = 8 is an equation.

We have,

Amount invested in AAA bond = 2x

Amount invested in A bond = y

Amount invested in B bond = x

Now,

Average yield:

AAA bond = 4%

A bond = 5%

B bond = 8%

Now,

Total amount = $19,000

Total yield = $990

Now,

Two equations can be made:

2x + y + x = 19000

3x + y = 19000 _____(1)

0.04 x (2x) + 0.05 x y + 0.08x = 990

0.08x + 0.05y + 0.08x = 990

0.16x + 0.05y = 990 ______(2)

From (1) and (2),

3x = 19000 - y

x = (19000 - y)/3

Substituting in (2)

0.16 x (19000 - y)/3 + 0.05y = 990

0.053 x 19000 - 0.053y + 0.05y = 990

1007 - 0.003y = 990

1007 - 990 = 0.003y

y = 17/0.003

y = 5666.6

y = 5667

Now,

x = (19000 - y)/3

x = (19000 - 5667)/3

x = 4444.333

x = 4444

Now,

x = $4444

y = $5667

2x = $8889

Thus,

Amount invested in AAA bond = $8889

Amount invested in A bond = $5667

Amount invested in B bond = $4444

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billy makes $20 a week in allowance plus $5 for each lawn that he mows. this week billy wants to make over $50. select the inequality for the number of lawns he needs to mow.

Answers

The inequality for the number of lawns he needs to mow is: $50 < $20 + $5n

The correct answer is an option (b)

Let n represents the number of lawns he needs to mow.

Here, Billy needs to make more than $50 between his allowance and the lawns that he mows. This means that an inequality should include 50 <

As Billy will make $5  for each lawn that he mows, for 'n' number of lawns the cost would be = 5n

Based on the mentioned conditions we formulate an inequality,

50 < 20 + 5n

20 + 5n > 50

20 + 5n - 20 > 50 - 20             ...........(subtract 20 from each side)

5n/5 > 30/5                      .............(divide each side by 5)

n > 6

This means, he needs to mow more that 6 lawns.

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The complete question is:

Billy makes $20 a week in allowance plus $5 for each lawn that he mows. this week billy wants to make over $50. select the inequality for the number of lawns he needs to mow.

a) $50 < $20+$5

b) $50 > $20+$5n

c) $50 < $20n+$5

d) $50 > $20n+$5

e) $50 < $20+$5n

Solve using Cramer's rule.
6x + 5y = 25
7x − 9y = 44
x = 7, y = −1
x = 5, y = −1
x = 5, y = −2
x = 7, y = −2

Answers

The solution to the simultaneous equations using Cramer's rule is;

x = 5, y = −1

How to use Cramer's rule to solve simultaneous equations?

The simultaneous equations are;

6x + 5y = 25

7x − 9y = 44

We will first find the determinant of the left hand side;

[tex]\left[\begin{array}{ccc}6&&5\\7&&-9\\\end{array}\right][/tex]

|A| = (6 * -9) - (7 * 5)

|A| = -89

Now, will replace the x part of the matrix with the right side values to get;

[tex]\left[\begin{array}{ccc}25&&5\\44&&-9\\\end{array}\right][/tex]

The determinant is;

|A_x| = (25 * -9) - (44 * 5)

|A_x| = -445

Now, will replace the y part of the matrix with the right side values to get;

[tex]\left[\begin{array}{ccc}6&&25\\7&&44\\\end{array}\right][/tex]

The determinant is;

|A_x| = (6 * 44) - (25 * 7)

|A_x| = 89

Thus;

x = |A_x|/|A|

x = -445/-89

x = 5

y = |A_y|/|A|

y = 89/-89

y = -1

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In circle G the length of arc HI = 2 pi and measures angle HGI = 60 degrees. Find the area shaded below

Answers

The area of the circular sector is equal to 6π square units.

How to find the area of a circular sector

In this question we must determine the area of the circular sector between points H, G and I from given information of the central angle (θ), in degrees, and arc (p). The perimeter and area of the circular sector are described by the following formulae:

Area

A = (θ / 360) · π · r²

Perimeter

p = (θ / 360) · 2π · r

Where r is the radius of the circle.

If we know that p = 2π and θ = 60°, then the area of the circular sector is:

r = (360 / θ) · (p / 2π)

r = (360 / 60) · (2π / 2π)

r = 6

A = (60 / 360) · π · 6²

A = 6π

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g components of force f with respect to x and y axes can be calculated as follow. please note that x and y axes are not perpendicular to each others. the angle between f and x is denote as (theta). the angle between f and y is denote as (gamma).

Answers

The force with respect to the x and y axes can be calculated as follows:

F_x = 100N cos(30) = 86.6N

F_y = 100N sin(60) = 50N

Let F be the magnitude of the force, (theta) be the angle between the force and the x-axis, and (gamma) be the angle between the force and the y-axis. The components of the force with respect to the x and y axes can be calculated using the following formulas:

F_x = F cos(theta)

F_y = F sin(gamma)

For example, if the magnitude of the force is 100N and (theta) = 30 degrees and (gamma) = 60 degrees, then the components of the force with respect to the x and y axes can be calculated as follows:

F_x = 100N cos(30) = 86.6N

F_y = 100N sin(60) = 50N

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An experiment was conducted to investigate the relationship between the dose of a puin medication and the number of hours of pain relief; Twenty individuals with chronic pain wcre randomly assigned t0 one of five doses 0.0,0.5,1.0,1.5.2.0 in milligrams (mg) of medication. The results are shown in the scatterplot below. The data were used to fit least-squares regression line to predict the number of hours of- pain relief for given dose. Which of the following would be revealed plot of the residuals of the regression versus the dose" (A)The SUm of the residuals is less than 0, (B) The sum of the residuals is greater than 0_ (C) There are outliers associated with the lower doses (D) The variation in the hours of pain relief is not the same across the doses. (E) There is positive linear relationship between the residuals and the dose _

Answers

The least-squares regression line can be used to predict the number of hours of pain relief given a certain dose.

This is done by taking the sum of the squares of the residuals and finding the minimum value. The residuals are the differences between the observed values and the predicted values. The plot of the residuals versus the dose would reveal the variation in the hours of pain relief across the doses.

For example, the formula for finding the least-squares regression line is

Y = b0 + b1X

where Y is the predicted value, b0 is the intercept, b1 is the slope, and X is the dose.

To calculate the residuals, we take the difference between the observed values and the predicted values for each dose.

residual = Y (observed) - Y (predicted)

The plot of the residuals versus the dose would reveal if the variation in the hours of pain relief is not the same across the doses. This is because if the variation is not the same, then the residuals would not be evenly distributed. If the residuals were evenly distributed, then the sum of the residuals would be equal to zero.

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NO LINKS!!!

Find the solution set for each inequality.

Answers

Answer:

41.  (-∞, -1] ∪ [2, 3)

42.  (2, 5) ∪ (5, ∞)

Step-by-step explanation:

Question 41

Given rational inequality:

[tex]\dfrac{x^2-x-2}{x-3} \leq 0[/tex]

Factor the numerator:

[tex]\dfrac{(x-2)(x+1)}{x-3} \leq 0[/tex]

Find the roots by solving f(x) = 0  (set the numerator to zero):

[tex]\implies (x-2)(x+1)=0[/tex]

[tex]\implies x-2=0 \implies x=2[/tex]

[tex]\implies x+1=0 \implies x=-1[/tex]

Find the restrictions by solving f(x) = undefined  (set the denominator to zero):

[tex]\implies x-3=0 \implies x=3[/tex]

Create a sign chart, using closed dots for the roots and open dots for the restrictions (see attachment 1).

Choose a test value for each region, including one to the left of all the critical values and one to the right of all the critical values.

Test values: -2, 0, 2.5, 4

For each test value, determine if the function is positive or negative:

[tex]f(-2)=\dfrac{(-2)^2-(-2)-2}{(-2)-3} =\dfrac{+}{-}=-[/tex]

[tex]f(0)=\dfrac{(0)^2-(0)-2}{(0)-3} =\dfrac{-}{-}=+[/tex]

[tex]f(2.5)=\dfrac{(2.5)^2-(2.5)-2}{(2.5)-3} =\dfrac{+}{-}=-[/tex]

[tex]f(4)=\dfrac{(4)^2-(4)-2}{(4)-3} =\dfrac{+}{+}=+[/tex]

Record the results on the sign chart for each region (see attachment 1).

As we need to find the values for which f(x) ≤ 0, shade the appropriate regions (zero or negative) on the sign chart (see attached).

Therefore, the solution set is:

x ≤ -1 or 2 ≤ x < 3

As interval notation:

(-∞, -1] ∪ [2, 3)

Question 42

Given rational inequality:

[tex]\dfrac{\sqrt{x}}{(x-2)|x-5|} > 0[/tex]

Find the roots by solving f(x) = 0  (set the numerator to zero):

[tex]\implies \sqrt{x}=0 \implies x=0[/tex]

Find the restrictions by solving f(x) = undefined  (set the denominator to zero):

[tex]\implies (x-2)|x-5|=0[/tex]

[tex]\implies x-2=0 \implies x=2[/tex]

[tex]\implies |x-5|=0 \implies x=5[/tex]

Create a sign chart, using closed dots for the roots and open dots for the restrictions (see attachment 1).

Choose a test value for each region, including one to the left of all the critical values and one to the right of all the critical values.

Test values: -1, 1, 3, 6

For each test value, determine if the function is positive or negative:

[tex]f(-1)=\dfrac{\sqrt{-1}}{(-1-2)|-1-5|}=\dfrac{\sf unde\:\!fined}{-}=\sf unde\:\!fined[/tex]

[tex]f(1)=\dfrac{\sqrt{1}}{(1-2)|1-5|}=\dfrac{+}{-}=-[/tex]

[tex]f(3)=\dfrac{\sqrt{3}}{(3-2)|3-5|}=\dfrac{+}{+}=+[/tex]

[tex]f(6)=\dfrac{\sqrt{6}}{(6-2)|6-5|}=\dfrac{+}{+}=+[/tex]

Record the results on the sign chart for each region (see attachment 2).

As we need to find the values for which f(x) > 0, shade the appropriate regions (positive) on the sign chart (see attached).

Therefore, the solution set is:

2 < x < 5 or x > 5

As interval notation:

(2, 5) ∪ (5, ∞)

There are 5
green apples and 7
red apples in a basket.
(a) What is the ratio of all
apples in the basket to green apples?
0
(b) What is the ratio of all apples in the basket to red apples?
0

Answers

a.

5+7=13

total amount of apples = 13

green apples = 5

5:13

b.

total amount of apples = 13

red apples = 7

7:13

For Problems 13 and 14, draw a bar model to represent each expression.

13. y - 2

14. 4x

50 POINTS REWARD + BRAINLEST!! PLEASE HEL

Answers

Bar models can be used to represent the quotient and the product of numbers or expressions that are; y = x + 2 and x = m/4

What is an expression?

Expression in maths is defined as the collection of numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

Given the expression as;

y - 2

LEt the expression Represent  y - 2 with x.

y - 2 = x

Add 2 on both sides we get;

y = x + 2

Similalry,

Represent the 4x with m.

4x = m

Divide by 4 on both sides we get;

x = m/4

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