What is the value of x? Fill in the blanks.

Answer:
25 = ?
? 4x-4

( ? )(4x-4)=(20)( ? )

100x- ? = 600

100x = ?

X= ?

Therefore , the solution of the given problem of function comes out to be the cost of every month is $5 ( 5%) dollar increases every month.

The exponential distribution frequently addresses the elapsed time before a particular event. Consider the exponential distribution of the time (starting right now) before an earthquake happens. Other examples include how long long-distance business calls last (in minutes) and how long an automobile battery lasts (in months).

Here,

Given data :

f(x) = ax,

5% is greater than I growth

$100 = 100 %

After one month =

$105 = 105 %

so $5 ( 5%) dollar increases every month

Therefore , the solution of the given problem of function comes out to be the cost of every month is $5 ( 5%) dollar increases every month.

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The complete question is "An exponential function can be used to simulate the price each night at a hotel. The price per night was $100 when the hotel first opened, and it has been rising by 5% annually since then. find the value of interest."

Assuming that the walls of the room are 8 feet tall, and that you need one gallon of paint for every 400 square feet of wall space, then you would need 5.125 gallons of paint to paint the walls of the room.

1. Calculate the square footage of the walls:

10.5ft x 7ft x 2 (sides of walls) = 147 sq. ft

2. Divide the total wall square footage by the coverage area of the paint (400 sq. ft.):

147 sq. ft. ÷ 400 sq. ft. = 0.36 gallons

3. Add 10% extra paint for wastage:

0.36 gallons x 1.1 = 0.396 gallons

4. Round up to the nearest gallon:

0.396 gallons = 0.4 gallons

5. Multiply the gallon of paint by 4 (4 walls):

0.4 gallons x 4 = 1.6 gallons

6. Round up to the nearest gallon:

1.6 gallons = 2 gallons

Hence, you would need 5.125 gallons of paint to paint the walls of the room.

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Answer: $1.31

Step-by-step explanation:

if you use todays cast

The aspect ratio is the proportional connection between the width of a video image compared to its height. It is usually expressed as width: height (separated by a colon), such as 16:9 or 4:3. The aspect ratio sets how wide a video is formatted and acts on how it will fit on your viewing screen.

When it comes to shooting video, the aspect ratio is tied to what resolution the camera records the image size in, with most DSLRs recording in a 16:9 aspect ratio.

The most popular aspect ratios for videos on the web are:

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The solution of the quadratic inequality x² - 3x + 2 < 0 is 1 < x < 2

Standard form of a quadratic equation is:

ax² + bx + c = 0

If we change the equal sign '=' to inequality signs <, >, ≤ , ≥ , then it becomes a quadratic inequality.

To solve a quadratic inequality,  first find its roots or the solution of its corresponding quadratic equation. Then, evaluate the signs around the roots.

The given quadratic inequality is:

x² - 3x + 2 < 0

First we find the roots by solving the corresponding quadratic equation:

x² - 3x + 2 = 0

(x - 1) (x - 2) = 0

x = 1 or x = 2

Now, since the coefficient of x² is positive, it means the graph of f(x) = x² - 3x + 2 opens upward. The function intercepts x-axis at x = 1 and x = 2, it means that f(x) < 0 at the interval 1 < x < 2.

Hence, the solution is 1 < x < 2

Your question is incomplete, but most likely your question was:

What are the solutions of quadratic inequality x² - 3x + 2 < 0 ?

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Answer:

1

Step-by-step explanation:

Anything to the power of 0 is 1.

Answer:One

Step-by-step explanation:

1 . Price of car 8 years later is $4305.

The price of a car that was bought for $10,000 and has depreciated 10% yearly can be calculated by multiplying the original price of the car ($10,000) by (1 - 0.10) raised to the power of the number of years (8). It means the car will lose 10% of its value each year for 8 years. Therefore, the price of the car 8 years later would be $4304.67. This is the final amount after 8 years of deprecation on the original price of the car.

2. The yearly value of the card 25 years later is $16.93 and equation of price is given by 5 * (1 + 0.05)^t where t is time.

The formula used to calculate the future value of an item that appreciates at a certain annual rate is called compounding. In this case, the baseball card was bought for $5 and has appreciated at a rate of 5% per year. The formula used to find the value of the card 25 years later is "Price = initial value * (1 + interest rate)^number of years". Plugging in the given values, we get: "Price = 5 * (1 + 0.05)^25"

Price=5(1+0.05)^25

Price=5(1.05)^25

Price=16.93

so the final price of baseball is $16.93

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On solving the question, The polynomial is 2x + 3 the equivalent forms are (4x- 2x + 3), (x + x +2 +1)

Expressions that are equivalent do the same thing even when they have distinct appearances. When we enter the same value(s) for the variable, two algebraic expressions that are equivalent have the same value (s).

Equivalent systems refer to sets of equations with the same solution. We can create an analogous system from a system of two equations by replacing one equation with the total of the two equations or by replacing an equation with a multiple of itself.

When two expressions can be reduced to a single third expression or when one of the expressions can be expressed in the same way as the other, they are said to be equivalent. When values are replaced for the variable and both expressions yield the same result, you may also tell if two expressions are equal.

The polynomial is 2x + 3

The equivalent forms are (4x- 2x + 3), (x + x +2 +1)

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Answer: -3x^3-28x^2-x+14

Step-by-step explanation:

(3x-2)(-x^2-10x-7)

1: We would usually use the FOIL method, but since we don't have binomials we are going to start with the first number in our problem.

3x x -x^2=-3x^3

3x x -10x= -30x^2

3x x -7= -21x

-2 x -x^2=2x^2

-2 x -10x= 20x

-2 x -7=14

2. Add like terms

-3x^3-28x^2-x+14

The common denominator of y + [(y - 3)/3] in the complex fraction {y + [(y - 3)/3]}/(5/9 + 2/3y) is 5y + 6.

The Latin word "nomen," which also appears in words like "nominate" and "nomenclature," is the root of the English word "denominator," which means "name." And that's essentially what a fraction's denominator does: it "names" or denotes the kind of fraction that is specified by the numerator (the top part).

step1

{y + [(y - 3)/3]}/(5/9 + 2/3y)

multiply and divide with ‘9y'

9y/9y.{y + [(y - 3)/3]}/(5/9 + 2/3y)

9y.y + 9y.y - 3/3 / 9y(5/9) + 9y(2/3y)

9y.y + 3y(y - 3) / 9y(5/9) + 9y(2/3y)

9y.y + 3y(y - 3) / y.5 + 9y.2/3y

9y2 +3y2 -9y / 5y +6

12y2 - 9y / 5y + 6

The denominator will be 5y + 6

step2

The common denominator of y + [(y - 3)/3] in the complex fraction {y + [(y - 3)/3]}/(5/9 + 2/3y) is 5y + 6.

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The horizontal line test is used to determine if a given function is one-to-one, which means that for every unique x-value, there is a unique y-value.

A function that is one-to-one can be inverted, meaning that it has an inverse function. Inverse functions are important in many areas of mathematics, such as solving equations, finding derivatives, and studying geometric transformations.

The horizontal line test is used because it provides a simple and easy way to determine if a function is one-to-one without having to solve for the inverse function. By drawing a horizontal line through the graph of a function and seeing if the line intersects the graph at most once, it is possible to determine if the function is one-to-one without the need for complex calculations or algebraic manipulations.

Another reason is that the horizontal line test can be applied to functions that are defined on a closed interval or on all real numbers and it is a visual way to understand if a function is one-to-one.

In conclusion, the horizontal line test is used to determine if a given function is one-to-one, which is important because one-to-one functions can be inverted.

The test is simple and easy to apply, and it provides a visual way to understand if a function is one-to-one without the need for complex calculations or algebraic manipulations. It can be applied to functions that are defined on a closed interval or on all real numbers.

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The graph of the image of the rectangle DEFG after 270° rotation counterclockwise is created using Microsoft Word and included here in the exercise

A pair of numbers called coordinates can be used to determine the position of a point or shape in a two-dimensional plane. A point's position on a 2D plane is described using the phrases "x-coordinate" and "y-coordinate."

A specific point on a grid, also known as a coordinate plane, is identified by coordinates, a pair of numbers (also known as Cartesian coordinates), or sporadically a letter and a number. The two axes of a coordinate plane, which has four quadrants, are the x (horizontal) and y (vertical) axes (vertical).

To find a point's coordinates in a coordinate system, perform the opposite.

Starting at the point, slide up or down a vertical line until you reach the x-axis. It's where your x-coordinate is.

Repeat the preceding procedures while adhering to a horizontal line to obtain the y-coordinate. The x and y coordinates can be used to find a location on the coordinate axes. The x and y coordinates of two points can be used to determine their separation. Using the x and y coordinates for two points simplifies the process of determining a line's slope.

The coordinates of the vertices of the rectangle DEFG are;

D(7, 8), E(10, 8), F(10, 9), G(7, 9)

A rotation of 270° counterclockwise about the origin gives;

Point of preimage = (x, y), point of image after the rotation = (y, -x)

The preimage point D(7, 8) has the image point as D'(8, -7) after the 270° CCW rotation

Similarly, after the 270°CCW rotation, we have;

The preimage point E(10, 8) has an image at E'(8, -10)

The preimage point F(10, 9) has an image at F'(9, -10)

The preimage point G(7, 9) has an image at G'(9, -7)

The graph of the image of the rectangle DEFG after 270° rotation counterclockwise is created using Microsoft Word and included here in the exercise

The complete question is,

Graph the image of rectangle DEFG after a rotation 270° counterclockwise around the origin

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The two main types of coordinate systems used in mathematics and physics are Cartesian and Polar Coordinates.

A coordinate system is a system used to identify and locate a point in space. It is the basis for maps, navigation and surveying. Coordinate systems can be two-dimensional or three-dimensional, and can use a variety of units such as latitude, longitude, and feet. Coordinate systems are used in a variety of fields such as engineering, architecture, geology, and navigation. Coordinate systems help to identify and locate points in space and are essential for charting and mapping the physical world.

Cartesian Coordinates, named after the French mathematician and philosopher René Descartes, use a two-dimensional plane to represent points with an x-axis and a y-axis. These coordinates are expressed as ordered pairs (x,y) and represent points in relation to the origin (0,0). This can be used to plot graphs and equations, and is the most commonly used coordinate system.

Polar Coordinates are based on a two-dimensional plane centered on a pole. Points are expressed as ordered pairs (r,θ) where r is the distance from the pole and θ is the angle from the polar axis. This coordinate system is useful for finding distances and angles in a circle. It is used frequently in physics and astronomy.

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Answer: your answer is 2:6 or 1:3 simplified

The ratio to represent the relationship between hallies donation of jean and Mattie's donation of jeans is 2:6

2:6 simplified is 1:3

Step-by-step explanation: Hope this helps!! :)))

If seven pound of fertilizer can cover 1400 square feet, 2 pounds of fertilizer can cover 400 square feet.

Therefore the answer is 400 square feet.

If seven pounds of fertilizer can cover 1400 square feet, we can set up the following proportion:

7 pounds / 1400 square feet = x pounds / y square feet

So y square feet = ( x pounds × 1400 square feet) / 7 pounds

To find out how many square feet can be covered by 2 pounds of fertilizer, we can solve for y by substituting in 2 for x:

y square feet = ( 2 pounds × 1400 square feet) / 7 pounds

y square feet = 2 × 1400 / 7

y square feet = 2800 / 7

y square feet = 400

So 2 pounds of fertilizer can cover 400 square feet.

--The question is incomplete, complete question is given below--

"Seven pound of fertilizer can cover 1400 square feet. How many square feet can be covered by 2 pound of fertilizer?"

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The 4 steps to solve an equation:

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Answer:

6.8125

Step-by-step explanation:

i goggled itttttt

Answer:

9,600/75,000, 16/125

Step-by-step explanation:

art+science=75000

9600

75000    =16/125

The four steps in constructing a perpendicular bisector are follows.

Find the midpoint of the line segment: To find the midpoint of a line segment, take the average of the x coordinates and the average of the y coordinates. This can be written as a formula: M(x,y) = (x1 + x2/2, y1 + y2/2).

Find the slope of the line: To find the slope of the perpendicular bisector, take the negative reciprocal of the original line segment’s slope. This can be written as a formula: m = -1/m1, where m1 is the original line segment’s slope.

Find the equation of the line: To find the equation of the perpendicular bisector, plug in the slope and midpoint into the point-slope form of a line equation. This can be written as a formula: y – y1 = m(x – x1).

Construct the perpendicular bisector: To construct the perpendicular bisector, draw the line corresponding to the equation found in step 3. The line should be perpendicular to the original line segment, and should pass through the midpoint.

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Answer:

Step-by-step explanation:

You want the price of a bagel and a can of OJ if 2 bagels and 1 can costs $8, and 3 bagels and 2 cans cost $13.

You can write an equation for the value of each purchase. The cost of a bagel can be represented by 'b', and 'j' can be used for the cost of an orange juice.

The coefficients of j are related by a factor of 2, so we can make the sum of coefficients of j be zero if we subtract the second equation from 2 times the first:

  2(2b +1j) -(3b +2j) = 2(8) -(13)

  b = 3 . . . . . . . . . . . . . . simplify

Now, we can use this value in the first equation to find j:

  2(3) +1j = 8

  1j = 2 . . . . . . . . . subtract 6

A bagel costs $3, and a can of orange juice costs $2.

The greatest number of rolls that Melissa received if she spent less than $63 is 206.

Linear inequalities are defined as those expressions which are connected by inequality signs like >, <, ≤, ≥ and ≠ and the value of the exponent of the variable is 1.

Cost for a large sandwich roll = $0.25

Cost for a small sandwich roll = $0.15

Let x be the number of small rolls that Melissa ordered.

Then number of large rolls she ordered = x + 130

Total cost for the rolls = 0.25(x + 130) + 0.15x

Melissa spent less than $63.

0.25(x + 130) + 0.15x < 63

(0.25x) + (0.25 × 130) + 0.15x < 63

0.4x + 32.5 < 63

0.4x < 30.5

x < 76.25 ≈ 76

Number of small rolls she ordered maximum is 76.

Number of large rolls she ordered is 76 + 130 = 206

Hence Melissa ordered 206 large rolls at maximum.

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Each angle is 53 degrees, 32 degrees, and 95 degrees.

A triangle is a three-sided polygon that is sometimes (but not always) referred to as the trigon. Every triangle has three sides and three angles, which may or may not be the same. Triangles are three-sided polygons with three vertices. The angles of the triangle are formed by connecting the three sides end to end at a point. The total of the triangle's three angles equals 180 degrees. A triangle is a three-sided polygon with three vertices. The angle produced within the triangle is 180 degrees. It signifies that the total of a triangle's internal angles equals 180°.

Here,

The sum of angles of triangle is 180 degrees.

4x+5+7x+11+2x+8=180

13x+24=180

13x=156

x=12

T=4x+5

=4*12+5

=53 degree

U=2x+8

=2*12+8

=32 degree

V=7x+11

=7*12+11

=95 degree

The measure of each angle is 53 degree, 32 degree and 95 degree.

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Answer:

4

Step-by-step explanation:

Step 1:

Substitute:

0.5(17)-1.5(3)

Step 2:

Multiply:

8.5-4.5

Step 3:

Subtract:

4

As a result, the answer to the provided equation problem is 1.39500 profit and 2.400 loss.

A mathematical equation is a formula that joins two statements by employing the equal symbol (=) to indicate equality. In algebra, a statement demonstrating the equality between two mathematical equations is known as an equation. For example, the equation 5x + 5 = 14 puts an equation between both the two numbers. Between the sentences along either side of a letter, a mathematical relationship is constructed. Typically, the symbol acts as both the sole variable and the lone determinant. As an illustration, 8x - 4 = 2.

Here,

A C number of vehicles

Monthly expenses are subtracted from total monthly income to determine profit.

=> (25-6)C - (23500-6000) (23500-6000) (23500-6000)

=> P = 19C-17500

3000 autos need to be maintained,

Earnings are 19(3000)-17500.

Gain: $39500

If 900 automobiles are received in a given month, a profit or loss will result.

Earnings are 19(900)-17500.

Gain: -400.

Yes, a loss.

The solution to the given equation's issue is thus 1.39500 profit and 2.400 loss.

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Answer:

(-4,-2)

Step-by-step explanation:

To solve this system of equations, we can substitute the expression for y in the second equation:

5x + 2(x+2) = -24

We can then simplify and solve for x:

5x + 2x + 4 = -24

7x = -28

x = -4

We can then substitute this value of x back into the first equation to find the value of y:

y = -4 + 2

y = -2

So the solution of the system of equations is (x, y) = (-4, -2)

The percent error for the given actual and estimated age of the fossils discovered by the researcher is equal to 11.11%.

As given in the question,

Actual estimated age of the fossil =3200 year old

Expected age discovered by the researcher of the fossil = 3600 year old

Formula for percent error is given by :

Percent error = | ( Actual age - Expected age ) / (Expected age) | × 100

Substitute the values we get,

Percent error = | ( 3200 - 3600 )/ 3600 | × 100

⇒ Percent error = 0.111111 × 100

⇒ Percent error = 11.11 %

Therefore, the percent error of the fossil discovered by the researcher is given by 11.11%.

The above question is incomplete , the complete question is :

A researcher estimates that a fossil is 3200 years old. Using carbon-14 dating, a procedure used to determine the age of an object, the researcher discovers that the fossil is 3600 years old.

Find the percent error?

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Answer: - 15x

Step-by-step explanation:

The lowest price that would yield a profit of 35% is 1.18.

A product is sold at a profit if the price is higher than the cost price. When a product is sold for less than what it costs to produce, the seller suffers a loss.

Each bag contains 150g of sweets.

The total number of bags filled with a total of 3kg sweets can be calculated as follows:

3kg = 3000g

Number of bags = [tex]\frac{3000}{150}[/tex] = 20 bags

Profit is given by the following formula:

[tex]P= \frac{SP - CP }{CP} * 100[/tex]

The Cost price, CP = 17.60 and profit is 35%, substitute the value in the formula above:

[tex]35 = \frac{SP - 17.60}{17.60} *100\\ \\\frac{(35)(17.60)}{100} = SP - 17.60\\\\6.16 = SP -17.60\\\\6.16 + 17.60 = SP\\\\SP= 23.76[/tex]

Find the cost of each 30 bags as follows:

[tex]1 \text { bag} = \frac{23.76}{20}\\ \\1 \text { bag} = 1.18[/tex]

Hence the lowest price that would yield a profit of 35% is 1.18.

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The polynomial with the given zeros can be written as:

p(x) = x^3 + 4x^2 + x - 6

If a polynomial has a leading coefficient a and the N zeros {x₁, x₂, ...} then we can write the polynomial as:

p(x) = a*(x - x₁)*(x - x₂)*...

Here we know that the leading coefficient is 1, and the zeros are:

{-3, -2, 1}

Then the polynomial is:

p(x) = (x + 3)*(x + 2)*(x - 1)

p(x) = (x^2 + 5x + 6)*(x - 1)

p(x) = x^3 - x^2 + 5x^2 - 5x + 6x - 6

p(x) = x^3 + 4x^2 + x - 6

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