Pls help me on this

(A) There was a change from 1995 and 2003 at a rate of -0.1463

(B) A change took place between 1995 and 2003 at a rate of -14.63% per year.

(C) In 2007, the car would be worth $5,844.24.

The ability to reclaim the purchase price or other basis of a specific item over the period of its usage is provided through depreciation, an annual income tax deduction.

It is an allowance for the regular deterioration, wear, tear, or obsolescence of the asset.

The worth of the car decreases over time.

Depreciation is the term for this action.

The value of an asset decreases over time as a result of depreciation, or ordinary wear and tear.

To determine the annual rate of change, use the following formula:

g = (FV/PV)¹⁾ⁿ - 1

Now, compute the following value using the formula:

(11000/3900)¹⁾⁸ - 1

-0.1463 = -14.63%

To calculate a car's value in 7 years, apply the formula below:

FV = P (1 + g)ⁿ

$39,000 x (1 - 0.1463)¹²

$39,000 x 0.8537¹² = $5,844.24

Therefore, (A) There was a change between 1995 and 2003 at a rate of -0.1463

(B) A change took place between 1995 and 2003 at a rate of -14.63% per year.

(C) In 2007, the car would be worth $5,844.24.

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Correct question:

A car was valued at $39,000 in the year 1995. The value depreciated to $11,000 by the year 2003.

A)What was the annual rate of change between 1995 and 2003? (Round to 4 decimal places)

B)What is the correct answer to part A written in percentage form?

C)Assume that the car value continues to drop by the same percentage. What will the value be in the year 2007?

Answer:

65

Step-by-step explanation:

According to the popular legend, Archimedes discovered a principle of buoyancy while taking a bath.

what was his discovery ?

He realized that the volume of water displaced by his body was equal to the volume of his body. This insight led him to formulate the principle of buoyancy, which states that an object placed in a fluid experiences an upward force equal to the weight of the fluid it displaces.

Archimedes was reportedly so excited by this discovery that he ran through the streets of Syracuse shouting "Eureka!" (meaning "I have found it" in Greek). This principle has numerous practical applications, including in shipbuilding and the design of submarines and other underwater vehicles.

In geometric terms, the principle of buoyancy can be explained using the concept of displacement. When an object is submerged in a fluid, it displaces a certain volume of fluid, which is equal to the volume of the object. This volume of fluid has weight, and the fluid exerts an upward force on the object that is equal to the weight of the displaced fluid. This is what causes objects to float in water or other fluids, as long as their weight is less than the weight of the fluid they displace.

As for what Archimedes did next with his new discoveries, it's difficult to say for certain, as there are many stories and legends about his life. However, we do know that he was a prolific inventor and mathematician, and he likely continued to explore the implications of his principle of buoyancy and other discoveries. He may have also used this principle in his work as an engineer and designer, creating new machines and devices that were more efficient and effective thanks to his insights into fluid mechanics.

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Answer:

[tex]\textsf{A.} \quad \dfrac{1}{4}[/tex]

Step-by-step explanation:

Given geometric sequence:

[tex]8,\;2,\;\dfrac{1}{2},\;\dfrac{1}{8},\;\dfrac{1}{32}[/tex]

The common ratio for a geometric sequence can be found by dividing a term by the previous term.

[tex]\implies r=\dfrac{a_2}{a_1}=\dfrac{2}{8}=\dfrac{2 \div 2}{8 \div 2} =\dfrac{1}{4}[/tex]

Therefore, the common ratio for the given geometric sequence is 1/4.

Required form of solutions are (x² + 6x + 9) = (x+3)×(x-3) + 0, (x² - 9x + 18) = (x-6)×(x-3) + (-72), (x² + 4x - 7) = (-x-1)×(x+5) + (-2).

What is division?

Division is a basic arithmetic operation in mathematics that involves dividing one number by another. It is denoted by the symbol "/", or by the horizontal fraction bar. The number being divided is called the dividend, while the number it is being divided by is called the divisor. The result of the division is called the quotient. For example, if we divide 10 by 2, the dividend is 10, the divisor is 2, and the quotient is 5. The formula for division is:

dividend / divisor = quotient

In some cases, division may result in a remainder. For example, if we divide 10 by 3, the quotient is 3 with a remainder of 1. This can be expressed as 10 / 3 = 3 remainder 1, or as a mixed number, 3 1/3. In other cases, the division may result in a decimal or a fraction.

Here,

1) To divide (x² + 6x + 9) by (x + 3), we can use polynomial long division as follows:

x + 3 | x² + 6x + 9

- x² - 3x

-------

3x + 9

3x + 9

-----

0

Therefore, the quotient is x + 3 , dividend is x² + 6x + 9, divisor is (x+3) and the remainder is 0.

So, (x² + 6x + 9) = (x+3)×(x-3) + 0

2) To divide (x² - 9x + 18) by (x - 6), we can use polynomial long division as follows:

x - 6 | x² - 9x + 18

- x² + 6x

-------

-15x + 18

-15x + 90

--------

-72

Therefore, the quotient is x - 3, dividend is (x² - 9x + 18), divisor is x-6 and the remainder is -72.

So, (x² - 9x + 18) = (x-6)×(x-3) + (-72)

3) To divide (x² + 4x - 7) by (x + 5), we can use polynomial long division as follows:

x + 5 | x² + 4x - 7

- x² - 5x

-------

-x - 7

-x - 5

------

-2

Therefore, the quotient is (-x + -1), dividend is x² + 4x - 7, divisor is x+5 and the remainder is -2.

So, (x² + 4x - 7) = (-x-1)×(x+5) + (-2)

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The rectangular prism, which has sides measuring 12 feet, 14 feet, and 20 feet, has a surface area of 1376feet².

The space a two-dimensional flat surface occupies is the area. Its unit of measurement is the square. A three-dimensional object's surface area is the area occupied by its exterior surface. It is also measured in units².

We must first determine the surface area of each face of a rectangular prism with sides measuring 12 feet, 14 feet, and 20 feet before adding them all up.

Let's first determine the area of the top and bottom faces, which are both rectangles measuring 12 feet by 20 feet each:

480feet² is equal to 2 x (12 ft x 20 ft) for the top and bottom faces.

The front and back faces, which are both rectangles with measurements of 12 feet by 14 feet, can now be calculated as follows:

2 x (12 ft) x (12 ft) x (12 ft) = 336feet² is the area of the front and back faces.

Let's finally determine the area of the rectangles that make up the left and right faces, both of which measure 14 feet by 20 feet:

2 x (14 ft x 20 ft) = 560feet² is the area of the left and right faces.

We add up the areas of all six faces to determine the total surface area:

Overall surface area equals the sum of the areas on the top, bottom, front, and back, as well as the left and right faces.

Overall surface area equals 480feet² + 336feet² + 560feet² =1376 feet².

As a result, the rectangular prism with measurements of 12 feet, 14 feet, and 20 feet has a surface area of 1376 feet².

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The complete question is:

what is the surface area of 12 ft 16 ft 14 ft 20 ft

Answer:

stretch by 2, right 4, down 1

Step-by-step explanation:

In a function in the form:

f(x) = a(x - h)² + k

the number in front, a, shows vertical stretch (if its bigger than 1. Its a shrink or smash if its a fraction less than 1)

Horizontal shifts are shown in close next to the x, inside the parenthesis shown here with an h. Horizontals shifts are maybe the opposite of what you might think they should be. + anumber is a left shift and - anumber is a right shift.

Vertical shifts are shown by a number tacked onto the end of the equation, k These shifts are more intuitive. + anumber shifts up and - anumber shifts down.

For your equation:

f(x) = 2(x-4)²-1

The 2 is a vertical stretch. The -4 by the x is a right shift 4. The -1 tacked into the end is a shift down 1

the volume of one scoop of ice cream is 523.6 cc. The cup can hold a volume of 942.5 cc, which is more than one scoop of ice cream. Therefore, Moses's cup can hold one scoop of ice cream without overflowing or spilling.

let's break down the problem step by step.

First, we need to calculate the volume of one scoop of ice cream. Since each scoop is a perfect sphere with a radius of 5 cm, we can use the formula for the volume of a sphere, which is:

V = (4/3)πr³

where V is the volume and r are the radius. Substituting r = 5 cm, we get:

V = (4/3)π(5³) = 523.6 cubic centimeters (cc)

So, the volume of one scoop of ice cream is 523.6 cc.

Next, we need to calculate the volume of the cup and the cone. Since both have the same radius as the scoop of ice cream, we can use the formula for the volume of a cylinder and a cone, respectively, with height 12 cm and radius 5 cm:

For the cup:

[tex]V_{cup}[/tex]= πr²h = π(5²) (12) = 942.5 cc

For the cone:

[tex]V_{cone}[/tex] = (1/3)πr²h = (1/3)π(5²)(12) = 314.2 cc

So, the volume of the cup is 942.5 cc, and the volume of the cone is 314.2 cc.

Now, we can determine how much ice cream each container can hold. Since each person gets one scoop of ice cream, we need to compare the volume of one scoop of ice cream to the volume of each container.

For Gaby's cone:

We know that the volume of one scoop of ice cream is 523.6 cc. The cone can hold a volume of 314.2 cc, which is less than one scoop of ice cream. Therefore, Gaby's cone can only hold one scoop of ice cream.

For Moses's cup:

Again, the volume of one scoop of ice cream is 523.6 cc. The cup can hold a volume of 942.5 cc, which is more than one scoop of ice cream. Therefore, Moses's cup can hold one scoop of ice cream without overflowing or spilling.

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The complete question: What is the volume of ice cream in each scoop and what is the total volume of ice cream that Mr. Woods needs to buy for Moses and Gaby? Also, what is the total surface area of the ice cream exposed to the air in each container (cone and cup)?

Answer:

(x, y) → (-x, y)

Step-by-step explanation:

The coordinates of the points that make up the function are equal to (x, y).

If we reflect the function over the y-axis, the sign of the y-value stays the same due to still being on the same side of the x-axis. The x-value sign will be the opposite of its current value due to being reflected over the y-axis.

This leads us to the algebraic expression:

(x, y) → (-x, y)

Answer: $4845

Step-by-step explanation:

First, round Peter's weekly payment to the nearest whole dollar:

$56.74 ≈ $57

Next, multiply the rounded weekly payment by the number of weeks he needs to make payments:

$57 * 85 weeks = $4845

So, Peter will pay back an estimated total of $4845.

Therefore , the solution of the given problem of unitary method comes out to be  1,440 students who favor ice cream

The task may be completed using this generally accepted ease, existing variables, and any important components from the original Diocesan customizable query. If so, you might get another opportunity to work with the object. Otherwise, algorithmic evidence will no longer be affected by any significant factors.  

Here,

The table shows that 81 of the 225 students favor ice cream.

Out of the 4,000 students, we can use the following proportion to estimate how many favor ice cream:

=> 81/225 = x/4000

If we cross-multiply, we obtain:

=> 225x = 81 * 4000

If we simplify, we get:

=> 225x = 324,000

By multiplying both parts by 225, we obtain:

=> x = 1440

The college will have about 1,440 students who favor ice cream, so that is the best guess as to how many scoops of ice cream the college will require.

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Answer:

c

Step-by-step explanation:

To find the x-intercept, we set y to 0 and solve for x:

0 = x + 8

x = -8

Therefore, the x-intercept is -8.

To find the y-intercept, we set x to 0 and solve for y:

y = 0 + 8

y = 8

Therefore, the y-intercept is 8.

Hopes this helps

To find the middle term of the expansion of (2x/y^3)^12, we need to first determine the number of terms in the expansion.

Using the formula for the binomial theorem, we know that the number of terms in the expansion of (2x/y^3)^12 is 13.

Now, to find the middle term, we need to find the term that is in the middle of the expansion. Since there are 13 terms in the expansion, the middle term is the 7th term.

The general term of the expansion is given by:

T(r+1) = (12 C r) (2x)^r (y^-3)^(12-r)

So, the 7th term is:

T(8) = (12 C 7) (2x)^7 (y^-3)^(5)

Simplifying this expression, we get:

T(8) = (792) (128x^7 / y^15)

Therefore, the middle term of the expansion is 792(128x^7/y^15)

Answer:

A .278

Step-by-step explanation:

138 x 14÷28+209 = 1932 ÷28+209=69+209=278

Identify the two numbers in the ordered pair, locate the x-axis and y-axis on the plane, move along the x-axis to the position corresponding to the first number, move vertically along the y-axis to the position corresponding to the second number, mark the point with a dot or small circle, and connect the dots to show patterns.

The procedures below must be followed in order to plot or graph an ordered pair of integers, usually known as a point, on a two-dimensional plane:

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The total value of Martin's account after 36 months is $7,682.50. $682.50 in interest was earned.

1) the midpoint of the line segment is (2, 2.5). 2) the slope of the line is -3.25.  3)the length of the line segment is approximately 13.60.    4) the equation of the line is y = -3.25x + 9.

what is slope ?

In mathematics, the slope of a line is a measure of its steepness, defined as the ratio of the vertical change (rise) between two points on the line to the horizontal change (run) between the same two points. It is often denoted by the letter "m".

In the given question,

To find the midpoint of the line segment that connects the points (4,-4) and (0,9), we use the midpoint formula:

Midpoint = ((x₁ + x₂)/2, (y1 + y₂)/2)

Midpoint = ((4 + 0)/2, (-4 + 9)/2)

Midpoint = (2, 2.5)

So the midpoint of the line segment is (2, 2.5).

To find the slope of the line that passes through the two given points, we use the slope formula:

Slope = (y₂ - Ly₁)/(x₂ - x₁)

Slope = (9 - (-4))/(0 - 4)

Slope = 13/-4

Slope = -3.25

So the slope of the line is -3.25.

To find the length of the line segment that connects the two given points, we use the distance formula:

Length = √((x₂ - x₁)² + (y₂ - y1)²)

Length = √((0 - 4)² + (9 - (-4))²)

Length = √(16 + 169)

Length = √(185)

Length ≈ 13.60

So the length of the line segment is approximately 13.60.

Now, we can use the point-slope formula to find the equation of the line that passes through the point (4,-4) with slope -3.25:

y - y1 = m(x - x₁)

y - (-4) = -3.25(x - 4)

y + 4 = -3.25x + 13

y = -3.25x + 9

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We can use the quadratic formula to solve for x, and the system of equations to solve for y. We have two possible solutions for x: x = 4 + [tex]\sqrt{28}[/tex] ≈ 8.29, and y = 7 - x ≈ -0.29.

A system of linear equations can be solved using the substitution approach. In this procedure, one variable in one of the equations is solved in terms of the other, and that expression is then replaced into the other equation. This yields an equation with a single variable that can be solved. Once one variable has been identified, it may be swapped into one of the original equations to determine the second variable.

We can use the first equation to solve for one of the variables in terms of the other, and then substitute that expression into the second equation to get an equation in just one variable. Let's solve the first equation for y:

x + y = 7

y = 7 - x

Now we can substitute this expression for y into the second equation:

[tex]y = x^2 - 9x - 5[/tex]

[tex]7 - x = x^2 - 9x - 5[/tex]

Rearranging terms, we get:

[tex]x^2 - 8x - 12 = 0[/tex]

Now we can use the quadratic formula to solve for x:

x = (-b ± [tex]\sqrt{(b^2 - 4ac)}[/tex]) / 2a

where a = 1, b = -8, and c = -12. Plugging these values in, we get:

x = (-(-8) ± [tex]\sqrt{(-8)^2 - 4(1)(-12))}[/tex]) / 2(1)

Simplifying:

x = (8 ± [tex]\sqrt{(64 + 48)}[/tex]) / 2

x = (8 ± [tex]\sqrt{(112)}[/tex]) / 2

x = 4 ± [tex]\sqrt{(28)}[/tex]

So we have two possible solutions for x:

x = 4 + [tex]\sqrt{(28)}[/tex] ≈ 8.29

x = 4 - [tex]\sqrt{(28) }[/tex]≈ -0.29

Now we can use either equation to solve for y. Let's use y = 7 - x:

When x = 4 + [tex]\sqrt{(28)}[/tex], we have:

y = 7 - (4 + [tex]\sqrt{(28)}[/tex]) = 3 - [tex]\sqrt{(28)}[/tex]

When x = 4 - [tex]\sqrt{(28)}[/tex], we have:

y = 7 - (4 - [tex]\sqrt{(28)}[/tex]) = 3 + [tex]\sqrt{(28)}[/tex]

So the two solutions to the system of equations are:

x = 4 + [tex]\sqrt{(28)}[/tex], y = 3 - [tex]\sqrt{(28)}[/tex]

x = 4 - [tex]\sqrt{(28)}[/tex], y = 3 + [tex]\sqrt{(28)}[/tex]

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Answer:

To find the distance between two points, we use the distance formula: distance = square root of [(x2 - x1)^2 + (y2 - y1)^2] In this case, our points are (4, -3) and (-7, -3), so we can plug in the values: distance = square root of [(-7 - 4)^2 + (-3 - (-3))^2] distance = square root of [(-11)^2 + (0)^2] distance = square root of (121) distance = 11 Therefore, the distance between the points (4, -3) and (-7, -3) is 11 units.

The associative law holds in all three composition tables.

No matter how they are arranged, integers can be multiplied and added together according to the associative property. We refer to the numbers in the parenthesis as grouping (). Let's imagine that you are adding three integers, 2, 5, and 6. It doesn't matter how we add the numbers together—using the formulas 2 + (5 + 6) or 2 + (5) + 6—the outcome will be the same. The multiplication equation is consistent: Equals to (2 x 5) x 6 is (2 x 5) x 6. The commutative characteristic is almost identical to this one when only two integers are used.

In the given composition tables the law of associativity is followed

a(bc) = (ab)c

from 13,

a(a) = bc

a = a

The associative law holds in all three composition tables

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The sum of the matrices A + B is  5      8

                                                        2.6   2

To add two matrices, they must have the same dimensions (the same number of rows and the same number of columns).

To add two matrices A and B, you can add the corresponding elements of the two matrices and place the result in the corresponding position of a new matrix C.

In mathematical notation, if A and B are two matrices of the same dimensions, then the sum C = A + B is defined by:

C[i,j] = A[i,j] + B[i,j]

Using the above as a guide, we have the following:

A + B =  5      8

             2.6   2

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Answer:

Exact Form: 1/216

Step-by-step explanation:

The answer is (a) 203.5 bacteria, rounded to the nearest whole number.

Percentage is a way of expressing a number or proportion as a fraction of 100. It is represented by the symbol "%".

The growth rate of E.Coli is given as 1.9% per minute, which can be expressed as 0.019 per minute as a decimal.

Let N(t) be the number of E.Coli present at time t. Then, we can write the differential equation governing the population growth as:

dN/dt = rN,

where r is the growth rate (0.019 per minute in this case).

The general solution to this differential equation is:

N(t) = [tex]N0e^{(rt)}[/tex]),

where N0 is the initial population size.

We are given that the current number of E.Coli present is 172, so N0 = 172. We want to find N(8.5), so we plug in t = 8.5 and solve:

N(8.5) = [tex]172e^{0.019*8.5}[/tex] ≈ 203.5

Therefore, the answer is (a) 203.5 bacteria, rounded to the nearest whole

number.

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Answer:

23°

Step-by-step explanation:

46 = 2x (Vertically opp. angles)

x = 46÷2

x = 23

Hope this helps!

pls like and mark as brainliest

Answer:

x = 23°

Step-by-step explanation:

46 = 2x

46/2 = 2x/2

x = 23°

To find a point that represents a solution for the equation x + 3y = 8, we need to find a point (x,y) that satisfies this equation. One way to do this is to choose a value for x, and then solve for y. For example, if we let x = 2, we have:

2 + 3y = 8

Subtracting 2 from both sides, we get:

3y = 6

Dividing both sides by 3, we get:

y = 2

So the point (2,2) is a solution for the equation x + 3y = 8. To check, we can substitute x = 2 and y = 2 into the equation:

2 + 3(2) = 8

8 = 8

This is true, so (2,2) is a solution for the equation.

Alternatively, we could choose a value for y and solve for x. For example, if we let y = 0, we have:

x + 3(0) = 8

x = 8

So the point (8,0) is also a solution for the equation x + 3y = 8.

Answer:

P = 3

Step-by-step explanation:

[tex] {p}^{3} = 27[/tex]

[tex]p = \sqrt[3]{27} = 3[/tex]

Answer:

P = 3

Step-by-step explanation:

Write down the equation:

p^3 = 27

Then divide both sides by cubed:

p = 3

The maximum value of Q was found to be 26.49 subject to the cost constraint K+4L=16.2, and the optimal value of Q decreased by approximately 9.39 when the cost constraint was changed to K+4L=17.

To find the maximum value of Q subject to the cost constraint, we can use the method of Lagrange multipliers. We first define the Lagrangian function:

L(K, L, λ) = 10√(KL) + λ(K + 4L - 16.2)

where λ is the Lagrange multiplier.

∂L/∂K = 5√(L/K) + λ = 0

∂L/∂L = 5√(K/L) + 4λ = 0

∂L/∂λ = K + 4L - 16.2 = 0

K = 3.24, L = 2.16, λ = -2.5

Therefore, the maximum value of Q is:

Q = 10√(3.24*2.16) = 10√7.0224 ≈ 26.49

If the cost constraint is changed to K+4L=17, we can repeat the same process with the new constraint to get:

K = 4.25, L = 0.6875, λ = -2.5

Therefore, the new maximum value of Q is:

Q = 10√(4.25*0.6875) = 10√2.9297 ≈ 17.10

The change in the optimal value of Q is then:

17.10 - 26.49 ≈ -9.39

The optimal value of Q decreases by approximately 9.39 when the cost constraint is changed from K+4L=16.2 to K+4L=17. This indicates that the optimal value of Q is sensitive to changes in the cost constraint.

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Find the maximum value of Q = 10√/KL subject to the cost constraint K+4L=16.

Estimate the change in the optimal value of Q if the cost constraint is changed to K+4L =17. Interpret the meaning of Lagrange multiplier.