The Boeing 747-8 Intercontinental Jet can carry approximately 63,500 gallons of jet fuel, making it possible for the jet to travel 14,430 kilometers before needing to refuel.
help me...
Use a linear model to predict the amount of jet fuel that is present on the Jet after it has been in flight for 18 hours without stopping to refuel. In two or more complete sentences, explain your answer.

Answer:

It is extremely important to protect ecosystems from human-induced change, as ecosystems provide vital services such as air and water purification, climate regulation, and nutrient cycling, which are essential for human well-being.

Preserving natural conditions at all costs may not always be feasible, as human populations continue to grow, and there may be competing demands for resources. On the other hand, prioritizing human needs over the needs of the ecosystem can have detrimental consequences in the long run.

Taking an approach that does not prioritize ecosystem protection can lead to the loss of biodiversity, the degradation of natural resources, and the loss of ecosystem services. These negative consequences can lead to reduced agricultural productivity, increased incidence of natural disasters, and negative impacts on human health.

Finding a balance between human needs and the needs of the ecosystem is therefore critical. This can be achieved through sustainable development practices that promote economic growth while preserving the environment, such as the use of renewable resources, ecosystem restoration, and sustainable agriculture practices.

All of the given expressions are functions, but the first three are quadratic functions, while the last one is a quadratic function with a negative constant term.

What is the function?

A function is a mathematical relationship between two variables, where each input value (independent variable) corresponds to exactly one output value (dependent variable). It is often represented using a formula or equation.

All of the given expressions are functions, but the first three are quadratic functions, while the last one is a quadratic function with a negative constant term.

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187 centimeter is approximately equal to 6.1351 feet

To convert 185cm to feet, we can use the following formula:

1 cm = 0.0328 feet

The conversion is the process of changing the unit of one quantity to another units  

The conversion factor is defined as the number that is used to change one unit to another units by multiplying or dividing

Therefore,

The distance in feet = conversion factor × The distance in centimeter

Substitute the values in the equation

187 cm = 187 x 0.0328

Multiply the numbers

= 6.1351 feet ( rounded to four decimal places )

Therefore, 187 cm is 6.13517 feet.

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The distance between the two points, we can use the trigonometric equation distance = altitude/tan(angle of depression). Using this equation, we can calculate the distance to be approximately  6,665.93 ft.

Pilot is at point A. The angles of depression to mileposts B and C are 32 degrees and 56 degrees, respectively. We are asked to find the distance between B and C.

Let AB = x, BC = y, and AD = CD = h = 25,000 ft.

tan(32°) = h/AB

tan(56°) = h/AC = h/(AB + BC)

We can use the first equation to solve for AB:

AB = h/tan(32°) = 25,000/tan(32°) ≈ 44,908.55 ft

We can use the second equation to solve for AC:

tan(56°) = h/(AB + BC)

tan(56°) = 25,000/(AB + BC)

AB + BC = 25,000/tan(56°)

BC = 25,000/tan(56°) - AB ≈ 38,242.62 ft

Therefore, the distance between the two mileposts is:

BC ≈ 38,242.62 - 44,908.55 ≈ 6,665.93 ft

So the distance between the two mileposts is approximately 6,665.93 ft.

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The value of weight of 73 kg when converted to pounds is  160.93726 pounds.

kilogram is the standard unit of mass in the International System of Units (SI), while pounds are a common unit of mass used in the United States and other countries.

To Know how to convert between different units of measurement is essential for accurate calculations and comparisons. convert 73kg to pounds, you can use the formula: 1 kilogram is equal to 2.20462 pounds.

Therefore, to convert 73kg to pounds, you would multiply 73 by 2.20462.

73 x 2.20462 = 160.93726 pounds

So, weight of 73kg is equivalent to 160.93726 pounds

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The value of probability P (even | less than 3) is, 1/3.

The term probability refers to the likelihood of an event occurring. Probability means possibility. It is a branch of mathematics that deals with the occurrence of a random event. The value is expressed from zero to one.

Given that;

A 6-sided die is tossed.

Here, Two numbers 1 and 2 are less than 3.

Hence, The value of P (even | less than 3) is,

⇒ 2 / 6

⇒ 1 / 3

Thus, The value of P (even | less than 3) is, 1/3.

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The equation y = -2x³ - 6 represents a nonlinear function.

What is linear function and nonlinear function?

The highest for linear functions is only one, whereas nonlinear functions have more.

The equation y = -2x³ - 6 represents a nonlinear function because the highest power of x, which is 3, is greater than 1. In general, a function is considered linear if it can be written in the form y = mx + b, where m is the slope of the line and b is the y-intercept. In this case, the equation cannot be written in that form because of the presence of x³, which makes the relationship between x and y nonlinear.

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Cost for each pound of almonds is $1.5 and cost for each pound of jelly beans is $2.5.

Linear equations involve one or more expressions including variables and constants and the highest exponent of the variable is 1.

System of linear equations involve two or more linear equations.

Let x be the cost of each pound of almond and y be the cost of each pound of jelly beans.

Then from the first purchase, we have the equation,

3x + 5y = 17

Similarly, from the second purchase, we have,

12x + 2y = 23

So the system of equations are

3x + 5y = 17 and 12x + 2y = 23

Solving these, we will get the values of x and y which is the cost of each pound of almond and jelly beans.

3x + 5y = 17

12x + 2y = 23

Multiplying the first equation with 4, we get,

12x + 20y = 68

Subtracting 12x + 2y = 23 from 12x + 20y = 68,

18y = 45

y = $2.5

Substituting y = 2.5 in any of the equation above, we get,

x = $1.5

Hence the cost for each pound of almond and jelly beans are $1.5 and $2.5 respectively.

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Answer: i think its 40

Step-by-step explanation: because triangles in general are supposed to have the angle 180 and 40 add 400 add 100 equals 180

Answer: -3

Step-by-step explanation:

for an equation [tex]ax^2+bx+c[/tex] to factor you need to figure out what numbers add to b and multiply to c. In this case b is -1 and c is -6. It is easier because one of the numbers has already been figured out for you so what number combined with 2 will add to -1 and multiply to -6? the answer would be -3 because 2+(-3) is -1 and 2*(-3) is -6.

It is not possible to get 8 aces from a standard 52 cards deck. The indicated degree of likelihood as a probability value is 0 (Zero).

The procedure for probability states that the possibility of an occurrence occurring, or P(E), equals the proportion of the number of favorable outcomes to the number of total outcomes.

Mathematically,

Possibility (E) = favorable outcomes/total outcomes.

We know that there are four aces in total in a 52-card deck.

Therefore the probability of getting 8 aces can be expressed by using the factorial of the number. This can result in a decrease of numbers by multiplying the previous number, this is called the factorial of a number.

P(8A) = 7/52 × 6/51 × 5/50 × 4/49 × 3/48 × 2/47 × 1/46 × 0/45

P(8A) = 0

The probability of getting is zero.

Therefore, it is not possible to get 8 aces from a standard 52 cards deck.

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Here in the given diagram all the sides are equal and the diagonals are perpendicular. So the given parallelogram is a rhombus.

Here the data given are

ABCD is a parallelogram

∠BOC = 90°

So AOB = 180 - ∠BOC ( angle of a straight line is 180°)

∠ AOB = 180-90 = 90°

Also ∠ COD = ∠DOA = 90°

OA = OC, OB= OB ( Diagonals of a parallelogram bisect each other)

So the triangles are congruent. So AB = BC

Similarly ΔBOC and ΔCOD are congruent, BC= CD

Similarly ΔCOD and ΔDOA are congruent, CD= AD

So, AB = BC = CD= DA

Since all sides are equal and diagonals are perpendicular, the given parallelogram is a rhombus.

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The complete question is given as the image below.

The value of the given expression 105 times 3 is equal to 315.

Calculation of the expression 105 times 3 is equal to :

  1

1 0 5

×    3

3 1 5

Therefore, the calculated value of the expression 105 times 3 is equal to 315.

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Answer: 5 minutes(not sure)

Step-by-step explanation:

She first left her house and went to the shops which approximately says in the graph that she went there at 2 time elapsed(minutes) and then left a 5 when you take that away it gives u 3 minutes

So to find out how long it took her to come out of the bank she arrived at 7 time elapsed (minutes) and then left at 12, you do 12-7=5

Therefore i think the answer is 5 minutes

10 is five times larger than 2, and the ratio of blue to white marbles in the population is 1:5

What is ratio ?

Ratio can be defined as given value divided by total value.

The ratio of blue marbles to white marbles in the population is:

9 blue marbles : 45 white marbles

which simplifies to:

1 blue marble : 5 white marbles

If a representative sample contains 2 blue marbles, we can use this ratio to find the expected number of white marbles in the sample:

2 blue marbles × 5 white marbles/blue marble = 10 white marbles

Therefore, we would expect the representative sample to contain 10 white marbles.

To explain this result, we can think of the representative sample as a smaller version of the population, where the ratio of blue marbles to white marbles is the same. Since we know that the ratio of blue to white marbles in the population is 1:5, we can use this ratio to estimate the number of white marbles we would expect to see in the sample, given that we have observed 2 blue marbles. In this case, we would expect to see 10 white marbles,

Hence,  10 is five times larger than 2, and the ratio of blue to white marbles in the population is 1:5

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Due to the exponential growth of bacteria it only took 10 minutes to fill 3 additional empty bottles.

What is an exponential function?

The formula for an exponential function is f(x) = a^x, where x is a variable and a is a constant that serves as the function's base and must be bigger than 0.

The bacteria took more time to double from 1 cell to a bottle full of cells. Once the bottle was full, each cell in the full bottle doubled, causing an additional bottle to be filled in 5 minutes.

Then the 2 full bottles doubled in the next 5 minutes, causing all 3 bottles to be full.

The answer needed is -

The full bottle doubled after 5 minutes.

The 2 full bottles doubled after 5 minutes.

Exponential growth is a multiplicative rate of change.

Therefore, due to exponential growth bacteria filled the bottle fast.

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Answer:

The bacteria took more time to double from 1 cell to a bottle full of cells. Once the bottle was full, each cell in the full bottle doubled, causing an additional bottle to be filled in 5 minutes. Then the 2 full bottles doubled in the next 5 minutes, causing all 3 bottles to be full.

Sergio saved at a rate of change of 34.4% when he had $500 saved for a family vacation.

The component technique is a technique of troubles where you first calculate the worth of a single item, then multiply a certain value to get the answer. Simply defined, a single product value is extracted from either a specified multiple using the one method. For contrast, 40 pens will costs you 400 rs, or $1.01. The method used to execute this might be regulated. a solitary nation. anything seems to have a distinctive component.  (Classic Algebra, Quantitative Analysis, Math and science of Matrix or Operators).

given

1% of $500 = $5

Total Saving from $500 to $ 860

860 / 5 = 172

Now percentage of growth :-

172/500 *100

17200/500 = 34.4

Hence, the rate of change Sergio savings = 34.4%

Sergio saved at a rate of change of 34.4% when he had $500 saved for a family vacation.

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Answer:

50% smaller

Step-by-step explanation:

Answer: r = 5.5%

Step-by-step explanation:

6/12 = 0.5 (years)

(I=Prt) || 1375 = 50000 * r * 0.5

1375 = 25000r

1375/25000 = 25000r/25000

0.055 = r

0.055 * 100% = r

5.5% = r

(Please correct me if I'm wrong)

When changing the sign of the constant a from positive to negative, the domain remains the same. But the range changes.

A function's range is the set of all values it can accept, whereas its domain is the set of all values for which it is defined.

Consider the given function f(x)=a|x|. Let us consider "a" takes positive values that is [tex]a\geq0[/tex]. Then, the given function is defined as follows,

[tex]f(x)=\begin{cases}a(x)=ax}\; &x\geq0\\{a(-x)=-ax\;&x < 0\end{cases}[/tex]

Then, the domain will be [tex]\text{domain}=\mathbb{R}\{(-\infty, \infty)[/tex] and the range will be given as [tex]\text{Range} = \text{only non-negative real numbers} = \mathbb{R}^++\{0\}[/tex].

Now let us consider "a" takes negative values that is a<0. Then, the given function is defined the same and the domain will remain the same. But the range will be given as [tex]\text{Range} = \text{only negative real numbers} = \mathbb{R}^-+\{0\}[/tex].

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Using proportions, we determined 24 out of every 36 households have a guest room.

Proportion, in general, is referred to as a part, share, or number considered in comparative relation to a whole. Proportion definition says that when two ratios are equivalent, they are in proportion. It is an equation or statement used to depict that two ratios or fractions are equal.

Given that, six out of every 9 households have a guest room.

So, the ratio is 6:9

Margaret asked x households in her neighborhood if they have a guest room, and 24 said yes

So, the ratio is 24:x

Now, the proportion is 6:9::24:x

6x=9×24

x=36

Hence, 24 out of every 36 households have a guest room.

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So the length of the path along the longest side of the park would be 35 yds.

The three sides of a triangle, a three-sided polygon in geometry, are made up of three edges and three vertices. A triangle's most important property is that its internal angles can all be added up to 180 degrees.

The area of a right triangle is given by the formula A = (1/2) * b * h, where b and h are the lengths of the legs of the triangle. Since one of the legs of the park is 21 yds and the area is 294 yd², we can solve for the length of the other leg:

A = (1/2) * b * h

294 = (1/2) * 21 * h

h = (2 * 294) / 21

h = 28

So the length of the other leg of the triangle is 28 yds.

To find the length of the hypotenuse, we can use the Pythagorean theorem, which states that the sum of the squares of the legs of a right triangle is equal to the square of the length of the hypotenuse:

c² = a² + b²

Plugging in the values we have, we get:

c² = 21² + 28²

c² = 441 + 784

c² = 1225

c = 35

So the length of the path along the longest side of the park would be 35 yds.

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180 lbs is approximately equal to 81.65 kg  ( rounded to four decimal places )

The conversion factor to convert lbs to kilogram is 0.453592

1 lbs = 0.453592 kg

The conversion is the process of changing the unit of one quantity to another units  

The conversion factor is defined as the number that is used to change one unit to another units by multiplying or dividing

The mass in kg = The mass in lbs × conversion factor

Substitute the values in the equation

1 lbs = 0.453592 kg

180 lbs = 180 × 0.453592

Multiply the numbers

= 81.6466  ( rounded to four decimal places )

Therefore, 180lbs is 81.6466

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The sum of money lent out at 6 1/4 p.a. to get 75 rupees as interest in 8 months is 1800 rupees.

To find the sum of money lent out at 6 1/4 p.a. to get 75 rupees as interest in 8 months, we can use the formula for simple interest:

I = P × R × T

Where:
- I is the interest
- P is the principal (the sum of money lent out)
- R is the annual interest rate
- T is the time in years

In this case, we know that I = 75, R = 6.25% (6 1/4 p.a.), and T = 8/12 (8 months is 8/12 of a year). We can plug these values into the formula and solve for P:

75 = P × 6.25% × 8/12

75 = P × 0.0625 × 0.6666666666666666

75 = P × 0.041666666666666664

P = 75 ÷ 0.041666666666666664

P = 1800

Therefore, the sum of money lent out at 6 1/4 p.a. to get 75 rupees as interest in 8 months is 1800 rupees.

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She bought three movies and four CD,s and this can be found by doing sum.

we given that price for each movie= 3$.

price for each CD = 2.50$.

The total movies and CD,s bought= 7.

Total dollars spent by her = 19$.

Therefore, the number of movies bought= 3+3+3= 9. ( No. of movies= 3).

similarly, the number of CD,s bought= 2.5+2.5+2.5+2.5= 10.( No. of CD,s= 4).

Hence, out of 19$ , 10 dollars were spent to buy CD,s and the other 9 dollars were spent to buy movies.

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Complete question:- During a sale at the electronics store, movies sold for $3 and CDs sold for $2.50. Isla spent $19 and bought a total of 7 movies and CDs. How many of each did she buy?

The value of weight of 64 kg when converted to pounds is   141.09568 pounds.

kilogram is the standard unit of mass in the International System of Units (SI), while pounds are a common unit of mass used in the United States and other countries.

To Know how to convert between different units of measurement is essential for accurate calculations and comparisons. convert 64kg to pounds, you can use the formula: 1 kilogram is equal to 2.20462 pounds.

Therefore, to convert 64kg to pounds, you would multiply 64 by 2.20462.

64 x 2.20462 =  141.09568 pounds

So, weight of 64kg is equivalent to  141.09568 pounds.

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Answer:

7:55

Step-by-step explanation:

If the class is 30 minutes it would end at 7:15 then add 40 minutes to get 7:55.