i forgot what this is even though i learned it someone please help me or at least explain to me what I'm looking at and how to solve it

We can write an equation for the interior angles, and we will see that x = 13

We want to find the value of x, we can see two adjacent angles on a rectangle, then the sum of these two is equal to 180°, we can write:

3x + 78 + x + 50 = 180

4x + 128 = 180

4x = 180 - 128

4x = 52

x = 52/4 = 13

The value of x is 13.

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Answer:

Below

Step-by-step explanation:

Divide 3 into all of the coefficients

16         +       12         -  9           now divide 'w' into the variables

16 w^2   + 12  w   - 9      Done.

The probability of getting exactly 0 tails is 1/8 or 0.125.

The coin flip experiment involves three independent events, each representing the outcome of one coin flip. Since each coin flip is balanced, the outcome of each event can either be heads (H) or tails (T). Therefore, for each event, there are two possible outcomes.

Since each event is independent, the number of possible outcomes of three events is equal to the product of the number of possible outcomes of each individual event. This means that the number of possible outcomes of three coin flips is equal to 2 * 2 * 2 = 8. The possible outcomes of three coin flips can be listed as follows:

HHH

HHT

HTH

THH

THT

TTH

HTT

TTT

Out of these eight possible outcomes, only one outcome (HHH) results in getting exactly 0 tails. So the probability of getting exactly 0 tails is 1/8 or 0.125.

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Answer:

Below

Step-by-step explanation:

BAC = DAC                             angle bisector theorem

AC = AC                  

BCA=BCA                             given

ABC congruent  to ADC           ASA theorem

BA = AD                                triangle congruence theorem

AC = AC                                      "

BC = DC                                      "

The volume of water in the well is 6 x 4 x 10 = 240 ft3. Since water is running into the well at the rate of 3 ft3 per minute, the water is rising at the rate of 3/240 ft per minute or 1/80 ft per minute.

The volume of water in the well is 6 x 4 x 10 = 240 ft3. Since water is running into the well at the rate of 3 ft3 per minute, the water is rising at the rate of 3/240 ft per minute or 1/80 ft per minute.

To calculate this, we can use the following formula:

Rate of Water Rising = Volume of Water Added Per Minute / Total Volume of Well

Rate of Water Rising = 3 ft3/min / 240 ft3

Rate of Water Rising = 1/80 ft per minute

Therefore, The volume of water in the well is 6 x 4 x 10 = 240 ft3. Since water is running into the well at the rate of 3 ft3 per minute, the water is rising at the rate of 3/240 ft per minute or 1/80 ft per minute.

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Total cost of items Mark bought = $8.80

The percentage is defined as a given part or amount in every hundred. It is a fraction with 100 as the denominator and is represented by the symbol "%".

Given,

Price of the items, $3.25, $0.55, $2.95, and $4.25 before tax.

Total price = $11

Discount on items = 20%

Discount = (20/100)11 = $2.20

Cost of the items = $11 - $2.20 = $8.80

Hence, $8.80 is total cost of items Mark bought.

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The surface area of a cylinder with a base diameter of 4 yd and a height of 9 yd is 113.04 yd².

A cylinder is a three-dimensional solid object with two bases that are identically circular and are connected by a curving surface that is located at a specific height from the center.

Examples of cylinders are toilet paper rolls and cold beverage cans.

The volume of a cylinder is πr²h.

Curved surface area = 2πrh.

Total surface area = 2πr(h + r).

We know, The surface area of a cylinder is 2πrh, where 'h' is the height and 'r' is the diameter.

So, The radius is = (4/2) = 2 yd.

Therefore, The surface area of the cylinder is.

= 2π×2×9 yd².

= 36π yd².

= 113.04 yd².

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The solution of Representing an arithmetic sequence as a linear function involves finding the equation of a line in the form of y = mx + b.

Here m represents the common difference and b represents the initial term of the sequence. To do this, choose any two terms from the arithmetic sequence and use them to solve for the slope (m) and y-intercept (b). For example, if the two terms are a_n and a_n+k, where k is a constant, you can use the formula: m = (a_n+k - a_n) / k.

Once you have the slope, use one of the two terms and the slope to solve for the y-intercept using the equation y = mx + b. This will give you the equation for the line representing the arithmetic sequence. By using this method, you can practice representing arithmetic sequences as linear functions and find the equation of a line that represents any given arithmetic sequence.

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The work done in stretching the spring from its natural length to 0.9 feet beyond its natural length is 3 foot-pounds.

This can be calculated using the equation W = F * d, where W is the work done, F is the force applied, and d is the distance the spring is stretched. In this case, F is 6 pounds and d is 0.5 feet (0.9 feet - 0.4 feet). Thus, W = 6 * 0.5 = 3 foot-pounds.

Force is a concept in physics that describes the influence that can change the motion of an object. Work done is the amount of energy transferred to or from an object when a force acts on it and causes it to move through a distance.

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Correct question:

A force of 6 pounds is required to hold a spring stretched 0.4 feet beyond its natural length.

How much work (in foot-pounds) is done in stretching the spring from its natural length to 0.9 feet beyond its natural length?

Answer: To find the dimensions of the rug, we need to subtract the width of the floor strip from both the length and the width of the room. Let x be the width of the floor strip in feet. Then the dimensions of the rug will be 18-2x by 26-2x.

The area of the rug is given by:

(18-2x)(26-2x) = 180

Expanding the right-hand side gives:

468 - 72x + 4x^2 = 180

Rearranging the equation gives:

4x^2 - 72x + 288 = 0

We can use the quadratic formula to find the solutions for x:

x = (-b ± √(b^2-4ac)) / 2a

where a = 4, b = -72, and c = 288

x = (72 ± √(72^2 - 4(4)(288))) / 2(4)

x = (72 ± √(72^2 - 4(1152))) / 8

x = (72 ± √(72^2 - 4608)) / 8

x = (72 ± √(5184)) / 8

x = (72 ± 72) / 8

x = (144 ± 72) / 8

x = 72 / 8 or 0

Since the width of the floor strip cannot be negative, x = 9 feet. So, the dimensions of the rug should be 18 - 2 * 9 = 0 ft by 26 - 2 * 9 = 8 ft.

Step-by-step explanation:

The values of x are 18 and 4

We have the area of a rectangle

A = L* B

The l and the b would get increased by 2x

180 = (18 - 2x) (26 - 2x)

We have to open the bracket

468 - 36x - 52x + 4x² = 180

468 - 180 - 88x +  4x² = 0

rearrange the equation

4x² - 88x  + 288 = 0

Solve using the quadratic formula equation

This would give us x = 144 / 8 and 32 / 8

x = 18 and x = 4

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The measures angles are 70° and 52°  

The triangle in which the ratio of corresponding is equal and has an equal measure of angles is known as Similar triangle.

If ABC and XYZ are two similar triangles, the corresponding angles must be equal

=> ∠A = ∠X, ∠ B = ∠Y, ∠C = ∠Z

Here we have

ΔDEF and ΔJKL are similar triangles

As we know angles of similar triangles are equal

=> ∠D = ∠J = (9x - 20)°

=> ∠E = ∠K = 52°

=> ∠F = ∠L = (7x - 12)°      

As we know the sum of angles in triangles = 180°  

=> ∠D + ∠E + ∠F = 180°

=> 9x - 20° + 52° + 7x - 12° = 180°  

=> 16x + 20° = 180°  

=> 16x = 160°  

=> x = 160°/16

=> x = 10°    

At x = 10° measures of angles are

=> (9x - 20)° = 9(10) - 20° = 70°

=> (7x - 12)° = 7(10) - 12° = 58°  

Therefore,

The measures angles are 70° and 52°  

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On solving the provided question, we can say that value of the equation , h = [tex]\frac{M}{Zg} + f[/tex]

Two assertions in a mathematical equation are joined by the equal sign (=), which stands for equality. A mathematical statement that establishes the equality of two mathematical expressions is known as an equation in algebra. For instance, in the equation 3x + 5 = 14, the equal sign places a space between the variables 3x + 5 and 14. The connection between the two sentences on either side of a letter is explained by a mathematical formula. Typically, there is only one variable, which also serves as the symbol. In this case, 2x4=2.

here,

the equation

[tex]Z=\frac{M}{g(h-f)}[/tex]

[tex]for, h , \\h - f = \frac{M}{(Zg)}\\h = \frac{M}{Zg} + f[/tex]

value of the h will be [tex]\frac{M}{Zg} + f[/tex]

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The probability that a current measurement is less than 10 milliamperes can be found by computing the cumulative distribution function (CDF) of the random variable x at 10 milliamperes.

The CDF of a continuous random variable x is defined as the probability that x is less than or equal to a given value.

In this case, we want to find the CDF of x at 10 milliamperes, which we can write as F(10), where:

F(10) = P(X <= 10) = ∫_0¹⁰ f(x) dx

Using the probability density function f(x) given in the problem, we can evaluate the integral to find the CDF:

F(10) = ∫_0¹⁰ 0.05 dx = 0.5

So the probability that a current measurement is less than 10 milliamperes is 0.5. This means that half of the possible current measurements will be less than 10 milliamperes, and half will be greater than 10 milliamperes.

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The coordinates of the resulting point, T' after the point T( – 1,2) is rotated 180° clockwise around the origin is (1, -2).

To rotate a point 180° clockwise around the origin, you can apply the following transformations:

Reflect the point across the x-axis by negating its y-coordinate.

Reflect the point across the y-axis by negating its x-coordinate.

Starting with T( – 1,2), we first reflect the point across the x-axis, which gives us T'( – 1, -2). Then, we reflect T' across the y-axis, which results in T''(1, -2).

The transformation can be represented as follows:

T' = (x, -y)

T'' = (-x, -y)

Therefore, the final coordinates of T'' are (1, -2).

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It is important to look at many companies to invest and compare their advantages to one another before investing money in a company by purchasing stock.

It's crucial to research a variety of businesses before investing your money in them because you can compare their advantages to one another and determine which one will provide you with a higher return on your investment in addition to a guaranteed return.

It's crucial to take into account a company's financial fundamentals when choosing stocks, such as earnings, operating margins, and cash flow. When considered collectively, these elements can provide a fair picture of the company's current financial situation as well as its prospects for short- and long-term profitability.

Diversification is a portfolio's greatest asset. With diversity, you can more easily manage risk, weather market downturns, and generate better long-term returns. Due to these factors, you'll need a variety of stocks in various industries that can counteract one another.

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The equation that represents the number of books purchased will; be 6b - 8 = 58 and the number of books is 11.

A connection between a number of variables results in a linear model when a graph is displayed. The variable will have a degree of one.

The linear equation is given as,

y = mx + c

Where m is the slope of the line and c is the y-intercept of the line.

Ashley bought some books. She spent a total of $58 after a discount of $8 off of her total purchase. Each book cost $6.  

Let 'b' be the number of books. Then the equation is given as,

6b - 8 = 58

Simplify the equation, then we have

6b - 8 = 58

6b = 66

b = 11

The equation that represents the number of books purchased will; be 6b - 8 = 58 and the number of books is 11.

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The complete question is given below.

Ashley bought some books. She spent a total of $58 after a discount of $8 off of her total purchase. Each book cost $6. How many books did she buy?

Write an equation that could be used to answer the question above. First, choose the appropriate form. Then, fill in the blanks with the numbers 58, 8, and 6. Let b represent the number of books. and then solve the equation.

Answer:

Step-by-step explanation:

y=2x-7

y=-1/2x+6

-1/2x+6 = 2x-7

x= 4

y= 2(4)-7

 = 1

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If x represents time in seconds and y represents distance in meters then the system of equations to represent the above situation are

20x - y = 0 and 22x - y = 15

Let x represent time in seconds and y represents distance in meters.

Let u be the speed of Elena and v be the speed of Jada.

So, according to question,

              u = 20[tex]ms^{-1}[/tex] and v = 22[tex]ms^{-1}[/tex]

We know, Speed = [tex]\frac{Distance}{Time}[/tex]

So, 20 = [tex]\frac{y}{x}[/tex]

which implies 20x = y

                        20x - y = 0 ......................(1)

Similarly,

          22 = [tex]\frac{y + 15}{x}[/tex]

Which implies 22x = y + 15

                       22x - 15 = y.....................(2)

Substituting the value of y from equation (2) in (1)

                    20x - (22x - 15) = 0

                     20x - 22x + 15 = 0

                      15 - 2x = 0

                      2x = 15

                       x = 7.5

Substituting the value of x in equation (1)

                20 x - y = 0

                20 × 7.5 = y

                  y = 150

The values of x and y satisfies the stated conditions,

Hence, the system of equations to represent the above situation are

20x - y = 0 and 22x - y = 15

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Answer:

Are these two different equations? Tell me so I can help you.

Let's consider what the question asks for:

 --> change in total cost for each book printed

 --> cost to get started

The change in total cost:

 --> essentially, the slope value that is given in the equation:

               [tex]y=25x+1150[/tex]

     --> thus, the change in total cost per book is $25

The cost to get started before printing any books:

  --> we can essentially set 'x' equal to 0 to signify no books being printed

        yet

                         [tex]y=25x+1150=25(0)+1150=1150[/tex]

       --> the total cost before printing any books is $1150

Answer:

Answer:

1. The change in total cost for each book printed is $25

2. The cost to get started is $1,150

Step-by-step explanation:

25x + 1150 = Y

           -Y/-1 = -25x/-1 - 1150/-1

             Y = 25x + 1150

To get the total cost to get started let X = 0

           Y = 25x + 1150

           Y = 25(0) + 1150

           Y = $ 1,150

Precession and nutation are two distinct motions of a spinning top or gyroscope. Precession is a slow, uniform motion that results from the gravitational force acting on a spinning top or gyroscope.

It is a slow, uniform motion in which the spinning object's axis of rotation moves in a cone-like motion.

Nutation is a fast, non-uniform motion that is caused by the torque of a nearby force. It is a rapid, irregular motion that causes the spinning object's axis of rotation to wobble back and forth.

Precession is a regular, predictable motion, whereas nutation is an unpredictable, irregular motion. Precession is typically used to describe the motion of a satellite or planet in its orbit, while nutation is used to describe the motion of a spinning top or gyroscope.

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Precession and nutation are two different types of rotational movements in astronomy.

Precession refers to the slow, conical movement of an object's rotational axis, which changes the orientation of the object over time. In the case of Earth, precession causes the direction of the North Pole to change over time.

Nutation, on the other hand, is a rapid, irregular movement of an object's rotational axis. It is caused by the combined gravitational forces of the Sun, Moon, and other celestial bodies on the Earth. Unlike precession, nutation occurs in small, cyclical changes in the orientation of the rotational axis, causing the axis to move slightly back and forth.

In summary, precession is a slow, systematic change in the orientation of an object's rotational axis, while nutation is a rapid, irregular movement of the axis caused by external forces.

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A graph that passes the horizontal line test represents a function. This is because if a horizontal line can only intersect the graph at one point, it means that each input value (x) has a unique output value (y), which is the definition of a function. This is true.

I agree with Lionel, the graph should show a continuous line because age increases gradually like time. Also, age is usually not a discrete variable, it's a continuous variable that can have fractional values, so a line graph is more appropriate to represent the relationship between age and gas mileage.

Let's take f(x) = 3x - 7 and g(x) = -2x + 5 as two linear functions.

f(x) - (-g(x)) = 3x - 7 - (-2x + 5) = 3x - 7 + 2x - 5 = 5x - 12

f(x) + g(x) = 3x - 7 + (-2x + 5) = x - 2

So f(x) - (-g(x)) is not equivalent to f(x) + g(x). This result would not apply to every function, as the properties of addition and subtraction of functions depend on the specific functions being used.

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Answer:

b. It was ​$15,280. Calculate the amount deposited over 9 years and then subtract it from the balance of ​$19,600.

Step-by-step explanation:

19,600-4,320 gives you the interest

Answer:

B. It was ​$15,280.

Step-by-step explanation:

Calculate the total amount deposited:

$40 per month * 12 months per year * 9 years = $4,320

Subtract the total amount deposited from the final balance: $19,600 - $4,320 = $15,280

The result is the interest earned: $15,280.

So, the answer is B. It was $15,280.

Answer:

Find the general solution of the differential equation. (Enter your solution as an equation.)

y^3y’=6cos(pix

Answer:

The differential equation is a separable differential equation, so we can separate the variables and integrate both sides to find the general solution.

Separating the variables, we get:

(y^3)dy = 6cos(pix)dx

Integrating both sides with respect to their respective variables, we get:

(1/4)y^4 = -3sinx + C

Where C is an arbitrary constant of integration.

So the general solution to the differential equation is:

(1/4)y^4 = -3sinx + C

Step-by-step explanation:

Answer:

379.25

Step-by-step explanation:

20.5% of 1850 means 20.5/100 × 1850

0.205×1850

= 379.25

therefore 20.5% of 1850 is 379.25

Regarding the exponential function y = 3(2)^x, we have that:

An exponential function is defined as follows:

y = ab^(x/n).

In which the parameters are defined as follows:

The function for this problem is given as follows:

y = 3(2)^x.

Hence the parameters are given as follows:

At x = 3, the numeric value of the function is obtained as follows:

y = 3 x 2^3

y = 3 x 8

y = 24.

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Answer:

Step-by-step explanation:

so the height will be h.

if given the base length, find h using tangent.

tan55 = h/10ft

h = 10tan55

h = 14.28ft

The value of A is 128

Solution:-

Given,

A = (C/100)* B

C = 80

B = 160

So, A = (80/100)* 160

Therefore, The value of A from the above expression is 128

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Answer:

y = [tex]\frac{-3}{2}[/tex] x + 4

Step-by-step explanation:

3x + 2y = 8  Subtract 3x from both sides

3x - 3x + 2y = -3x + 8  

2y = -3x + 8  Divide all the way through by 2

y = [tex]\frac{-3}{2}[/tex] x + 4