A rectangular container is 25cm by 37cm by 21cm

A statement that is true about the mapping shown include the following: A. It represents a function because each x-value corresponds to exactly one y-value.

In Mathematics and Geometry, a function can be defined as a mathematical equation which is typically used for defining and representing the relationship that exists between two or more variables such as an ordered pair.

Based on the mapping diagram below, we can reasonably infer and logically deduce that it represent a function because the input values (domain, x-value, or independent values) are uniquely mapped to the output values (range, y-value or dependent values).

In this context, we can reasonably infer and logically deduce that the mapping diagram represent a function.

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Complete Question:

Which is true about the mapping shown?

A. It represents a function because each x-value corresponds to exactly one y-value.

B. It represents a function because each y-value corresponds to exactly one x-value.

&. It does not represent a function because each x-value corresponds to exactly one -value.

D, It does not represent a function because each y-value does not correspond to exactly one x-value.

The value of angle a is 80 degrees.

The two chords intersect angle theorem, also known as the intersecting chords theorem, states that when two chords intersect inside a circle, the product of the segments of one chord is equal to the product of the segments of the other chord.

From two chords intersect angle theorem

∠a=(∠b+∠c)/2

in a given case,

∠b=36°

∠c =124°

So, ∠a=(36+124)/2

∠a= 80°

Therefore, the value of angle a will be 80 degrees.

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Complete question:

The value of x is given as follows:

x = 76º.

To obtain the value of x, we must consider that the sum of the internal angle measures of a triangle is of 180º.

The internal angles of the triangle in this problem are given as follows:

Considering that the sum of the measures is of 180º, the value of x is obtained as follows:

48 + 56 + x = 180

x = 180 - (48 + 56)

x = 76º.

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The step function evaluated in x = 1.4 gives the outcome y = 1, thus, the correct option is the first one.

The step function, written as:

f(x) = [x]

Is a function that rounds down the value of x to the nearest whole number.

So, for any input that we give to that function, the output will be equal to the number before the decimal point.

If we evaluate this function in x = 1.4, then we will round to the number before the decimal point, thus the outcome is y = 1.

Then we will get:

f(1.4) = [1.4] = 1

The correct option will be the first one.

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Answer:

Step-by-step explanation:

To find the area of the shaded region, we need to first find the x-coordinates of the points where the two functions intersect. We can set f(x) = g(x) and solve for x:

x^4 - 12x^3 + 48x^2 = 44x + 105

x^4 - 12x^3 + 48x^2 - 44x - 105 = 0

We can use a numerical method, such as the Newton-Raphson method, to approximate the roots of this equation. Using a graphing calculator or computer algebra system, we can find that the roots are approximately:

x = -1.932, x = 0.695, x = 4.149

Note that the root x = -1.932 is outside the given interval [3, 4], so we can ignore it.

The shaded region is bounded by the x-axis, the line y = 340, and the graphs of f(x) and g(x) between x = 3 and x = 4. To find the area of this region, we can integrate the difference between the two functions over this interval:

A = ∫3^4 [g(x) - f(x)] dx

A = ∫3^4 [44x + 105 - (x^4 - 12x^3 + 48x^2)] dx

A = ∫3^4 [-x^4 + 12x^3 - 48x^2 + 44x + 105] dx

We can integrate term by term using the power rule:

A = [-x^5/5 + 3x^4 - 16x^3 + 22x^2 + 105x]3^4

A = [-1024/5 + 192 - 192 + 22 + 105] - [-81/5 + 108 - 192 + 66 + 105]

A = 347.2

Therefore, the area of the shaded region is approximately 347.2 square units.

Bonjour,

v1 = 60/(5/6) = 60 x 6/5 = 360/5 = 72km/h

v2 = 54/(2/3) = 54 x 3/2 = 162/2 = 81km/h

it's Bernie

Answer:

Step-by-step explanation:

Volume = s³    (where s is the side)

Volume = 3.5³

Volume = 42.875

The inverse of matrix of A, that is A⁻¹ is [tex]\begin{bmatrix}-3 & 2 \\ 2& -1\end{bmatrix}[/tex].

To find the inverse of the matrix A, we can use the formula.  

A⁻¹ = (1 / det(A)) x adj (A)

Where det(A) represents the determinant of matrix A and adj(A) represents the adjugate of matrix A.

First, let's calculate the  determinant of matrix  A

det (A) = (1 x 3)  - (2 x2)

= 3 - 4

= -1

Next, let's calculate the adjugate of matrix A

adj(A) =

[tex]\begin{bmatrix}3 & -2 \\ -2& 1\end{bmatrix}[/tex]

Now, we can calculate the inverse of matrix A using the formula:

A⁻¹  = (1 / det(A)) x  adj(A)

= (1 / -1) *

[tex]\begin{bmatrix}3 & -2 \\ -2& 1\end{bmatrix}[/tex]

Multiplying each element of the adjugate matrix by -1  

A⁻¹ =

[tex]\begin{bmatrix}-3 & 2 \\ 2& -1\end{bmatrix}[/tex]

So , the inverse of the matrix A is:

A⁻¹  =

[tex]\begin{bmatrix}-3 & 2 \\ 2& -1\end{bmatrix}[/tex]

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The given matrix has no solution. Therefore, option A is the correct answer.

From the given matrix,

[tex]\left[\begin{array}{ccc}1&1&-4\\-2&-1&6\\-5&-3&16\end{array}\right]\left[\begin{array}{ccc}x\\y\\x\end{array}\right] = \left[\begin{array}{ccc}6\\-10\\-26\end{array}\right][/tex]

[tex]\left[\begin{array}{ccc}x+y-4z\\-2x-y+6z\\-5x-3y+16z\end{array}\right] =\left[\begin{array}{ccc}6\\-10\\-26\end{array}\right][/tex]

x+y-4z=6  -------(i)

-2x-y+6z=-10 ---------(ii)

-5x-3y+16z=-26 ---------(iii)

Multiply equation (i) by 2, we get 2x+2y-8z=12 ---------(iv)

Add equation (ii) and (iv), we get

-2x-y+6z+2x+2y-8z=-10+12

y-2z=2 ---------(v)

Multiply equation (i) by 5, we get

5x+5y-20z=30 ---------(vi)

Add equation (vi) from (iii), we get

5x+5y-20z+(-5x-3y+16z)=30-26

5x+5y-20z-5x-3y+16z=4

2y-4z=4

y-2z=2 ---------(vii)

From equation (vi) and (vii), we understood the matrix has no solution

Therefore, option A is the correct answer.

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The value of the angle ∠BAD of the given image is: 60°

The sum of angles in a triangle is 180 degrees. We know that the interior angles of an equilateral angle are equal and as such each of the angles of the equilateral triangle are 60 degrees.

Thus:

∠ADE = ∠AED = ∠DAE = 60 degrees

We know that alternate angles are angles that lie on opposite sides of the transversal line and on opposite relative sides of the other lines.

Thus:

∠BAD = ∠ADE = 60°

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Step-by-step explanation:

To find the volume of a cylinder, you can use the formula:

Volume = π * r^2 * h

Where:

- π is a mathematical constant approximately equal to 3.14159

- r is the radius of the cylinder's base

- h is the height of the cylinder

Let's calculate the volume of the cylinder with the given information:

1. Volume of the first cylinder:

- Radius (r): Let's assume a value of 1 (you can replace this with the actual radius value)

- Height (h): Let's assume a value of 1 (you can replace this with the actual height value)

Volume = π * r^2 * h

= π * 1^2 * 1

= π cubic units

2. Volume of the second cylinder (double the height):

- Radius (r): Same as the first cylinder (1)

- Height (h): Double the height of the first cylinder (2 times the height)

Volume = π * r^2 * h

= π * 1^2 * (2 * 1)

= π * 1^2 * 2

= 2π cubic units

So, the volume of the first cylinder is π cubic units, and the volume of the second cylinder (with double the height) is 2π cubic units.

Answer:

Step-by-step explanation:

You want to know the nature of the given sequences:

Looking at differences between terms can tell you a lot about the nature of a sequence.

When first differences are constant, the sequence is arithmetic.

When first differences are not constant, but have a common ratio, the sequence is geometric. (The sequence terms will have the same common ratio.)

When second differences are constant, the sequence is quadratic. (Not applicable here.)

First differences are -3, 0, 3. These are not constant. However, second differences are 0 -(-3) = 3 and 3 -0 = 3. These are constant, so this sequence is quadratic, neither arithmetic nor geometric.

First differences are 6, 6, 6. They are constant, so this sequence is arithmetic.

First differences are -200, -40, -8. These are not constant, but have a common ratio of 1/5 — just as the terms of the sequence do.

This sequence is geometric.

__

Additional comment

The first differences are computed by subtracting the term before from each term. 1 -4 = -3; 1 -1 = 0, 4 -1 = 3 for the first sequence. The ratio is found by dividing a term by the term before: 50/250 = 1/5, for example.

For common difference d and first term a1, the general term of an arithmetic sequence is ...

  an = a1 +d(n -1)

For common ratio r, the general term of a geometric sequence is ...

  an = a1·r^(n-1)

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The Experimental probability and the theoretical probabilities are 0.2 and 0.3 respectively.

If the spinner is fair, then each color must have the same probability,

this means that the probability for each color is the number of times that the color (in this case blue) is in the spinner divided by the total amount of colors in the spinner, then the theoretical probability for each color is:

Pt = 1/5 = 0.20

The experimental probability can be found by dividing the number of times that the spinner landed on a given color (in this case for blue we have 15 times) divided by the total number of spins ( 50)

Pe = 15/50 = 0.30

Therefore, the Experimental probability and the theoretical probabilities are 0.2 and 0.3 respectively

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Complete question:

A spinner has 5 equal-sized sections with different colors. You spin the spinner 50 times. The results are shown in the table. Find the theoretical and experimental probabilities of spinning blue.

Red Green Blue Yellow Orange

8           11      15       9          7

The theoretical probability is

The experimental probability is

The number used in the blanks to satisfy the inequality is 1/2.

i.e

1/2 x 12 < 12

6 < 12

We have,

___ x 12 < 12

Now,

To fill in the blank we substitute the following.

- 2/2

- 3/2

- 1/2

Substitute each option in the blanks and see which satisfies the inequality.

Now,

2/2 x 12 < 12

1 x 12 < 12

This is not true.

3/2 x 12 < 12

3 x 6 < 12

18 < 12

This is not true.

1/2 x 12 < 12

6 < 12

This is true.

Thus,

The number used in the blanks to satisfy the inequality is 1/2.

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The algebraic expression is:

4x + 12

We have,

Algebraic expressions are mathematical statements that involve variables, numbers, and mathematical operations like addition, subtraction, multiplication, and division.

In this case,

We have been given the phrase "Four times a number(x) more than twelve" and we need to translate it into an algebraic expression.

The first step is to identify the key information in the phrase.

Here, the phrase tells us to take a number (which we represent by x) and multiply it by four.

It then says we should add 12 to this.

Now,

Four times a number more than twelve can be translated to four times a number increased by twelve.

And,

Since the number is represented by x, we can write it as 4x + 12.

Thus,

The algebraic expression is:

4x + 12

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The algebraic expression that represents the phrase "Four times a number (x) more than twelve" is 4(x + 12).

We have the statement

"Four times a number(x) more than twelve"​

let the number be x.

So, four times of a number = 4x

Then, the algebraic expression that represents the phrase "Four times a number (x) more than twelve" is 4(x + 12).

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Answer:

21cm

Step-by-step explanation:

Pythagoras Theorem for right angled triangle a² = b² + c²

hypotenuse² = opposite ² + adjacent ²

Call vertical height of wall (where ladder meets it) H

call ladder L and call ground distance G

50cm = 0.5m

3² = 0.5² + H², H² = 3² - 0.5² = 9 - 0.25 = 8.75. H = √8.75.

length of ladder is always 3m.

After ladder has slipped, G is now 0.5 + 0.7 = 1.2m.

H² = 3² - 1.2²

    = 9 - 1.44

    = 7.56

H = √7.56

H has changed from √8.75 to √7.56

It has slipped (√8.75 - √7.56)m

= 0.208m

= 20.8 cm

=21cm to nearest cm.

The measure of angle A and angle C from the given cyclic quadrilateral are 81° and 99° respectively.

From the given figure, m∠D=86°.

Here, m∠D+m∠B=180°  (Opposite angles of cyclic quadrilateral adds to 180° )

86°+m∠B=180°

m∠B=180°-86°

m∠B=94°

Let O be the center of circle.

Since, the legs of the radii are equal, the triangles AOD, DOC and COB are isosceles. Hence, their base angles are congruent. Thus,

77°+2∠ADO=180°

2∠ADO=180°-77°

2∠ADO=103°

∠ADO=103/2

∠ADO=51.5°

∠ADO=∠DAO=51.5°

2∠BAO=180°-121°

2∠BAO=59°

∠BAO=59°/2

∠BAO=29.5°

∠BAD=∠DAO+∠BAO

∠BAD=51.5°+29.5°

∠BAD=81°

So, m∠A=81°

m∠A+m∠C=180°

m∠C=180°-81°

m∠C=99°

Therefore, the measure of angle A and angle C from the given cyclic quadrilateral are 81° and 99° respectively.

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The inverse matrix used to decrypt the message is given as follows:

[tex]\left[\begin{array}{cc}-5&-9\\-1&2&\end{array}\right][/tex]

To obtain the inverse matrix, we must have the original matrix side by side with the identity matrix, as follows:

[tex]\left[\begin{array}{cc}2&9\\1&5&\end{array}\right] \left[\begin{array}{cc}1&0\\0&1&\end{array}\right][/tex]

Then we must do row operations on the right matrix so we end with the identity matrix on the right and the inverse matrix on the right.

First we divide the first line by 2, hence:

[tex]\left[\begin{array}{cc}1&4.5\\1&5&\end{array}\right] \left[\begin{array}{cc}0.5&0\\0&1&\end{array}\right][/tex]

Then we want the element a row 2 column 1 to be of zero, hence:

R2 -> R2 - R1

[tex]\left[\begin{array}{cc}1&4.5\\0&0.5&\end{array}\right] \left[\begin{array}{cc}0.5&0\\-0.5&1&\end{array}\right][/tex]

Then we want the diagonal element of the second row to be of 1, hence we multiply by 2, thus:

[tex]\left[\begin{array}{cc}1&4.5\\0&1&\end{array}\right] \left[\begin{array}{cc}0.5&0\\-1&2&\end{array}\right][/tex]

Finally, we want the element of 4.5 to be of zero, hence:

R1 -> R1 - 4.5R2

Then:

[tex]\left[\begin{array}{cc}1&0\\0&1&\end{array}\right] \left[\begin{array}{cc}-5&-9\\-1&2&\end{array}\right][/tex]

The inverse matrix is of:

[tex]\left[\begin{array}{cc}-5&-9\\-1&2&\end{array}\right][/tex]

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Answer: 54.70

Step-by-step explanation:

We are given an angle and the adjacent side and need to find the hypotenuse meaning we have to use cosine

cos(x) = ADJ/HYP

cos (46) = 38/x

0.69465837045 = 38/x

x = 38/0.69465837045

x = 54.70

The approximate percentage of daily phone calls numbering between 33 and 39 is about 68%.

The empirical rule states that for a bell-shaped distribution, approximately 68% of the data falls within one standard deviation of the mean, approximately 95% falls within two standard deviations of the mean, and approximately 99.7% falls within three standard deviations of the mean.

In this case, the mean is 36 and the standard deviation is 3.

To find the percentage of daily phone calls numbering between 33 and 39, we need to first calculate the number of standard deviations that separate these values from the mean:

For 33: (33 - 36) / 3 = -1

For 39: (39 - 36) / 3 = 1.

So, we are looking for the percentage of data that falls between -1 and 1 standard deviations from the mean.

According to the empirical rule, this interval contains approximately 68% of the data.

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Answer: d.8

the answer is d 8ndndinwidnwidnwidnwidnwiud

The drama club must sell at least 74 adult tickets to meet the cost requirement, in addition to the 45 student tickets that have already been sold.

Let's use "a" to represent the number of adult tickets sold, and "s" to represent the number of student tickets sold.

Since s = 45, and we want to find the minimum number of adult tickets required to satisfy the $890 cost requirement.

The total revenue from ticket sales can be expressed as:

Revenue = 5s + 9a

We want to find the values of s and a that satisfy the following conditions:

- s + a <= 122 (the maximum capacity of the auditorium)

- Revenue >= 890

Substituting s = 45, we get:

5(45) + 9a >= 890

225 + 9a >= 890

9a >= 665

a >= 73.89

Since we cannot sell a fraction of a ticket, the minimum number of adult tickets we need to sell to meet the cost requirement is 74.

Therefore, the drama club must sell at least 74 adult tickets to meet the cost requirement, in addition to the 45 student tickets that have already been sold.

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Answer:

quadratic formula, completing the square, factorisation

Step-by-step explanation:

Quadratic formula:

x = (-b ± √(b² - 4ac) ÷ 2a)

where a is the value of the first coefficient, b is value of the second and c is value of the constant.

x = ((-b ± √(b² - 4ac)) ÷ 2a)

 = (( -16± √((-16)² - 4(8)(3)) ÷ 2(8))

 = ((-16 ± √(256 - 96)) ÷  16)

= (-16 ± √(160)) ÷  16

= -1 ±  (√10)/4

Completing the square:

divide through by 8

x² + 2x + 3/8 = 0

1) put the x, not ^2, in parenthesis.

(x +  )      = 0

2) half the coefficient (2) of x. that is 1. Put that into same parenthesis.

(x + 1)       = 0

3) we have (x + 1)

4) square this and multiply out. (x + 1)² = x² + x + x +4 = x² +2x + 1

5) this looks just like the original equation (x² + 2x + 3/8) except for +1. What do we have to do to get back to original? 1 – (3/8) = 5/8. We have to subtract 5/8

6) now we have (x + 1)² – 5/8 =0

7) (x + 1)² = 5/8

8) (x + 1) = ± √(5/8)

9) x = ± √(5/8)  - 1

     =  -1 ± (√10)/4

Factorisation:

(8x (- (2√10)) + 8) = 0,

8x = -8 +  (2√10)),

x = -1 + (√10)/4

(x ( + (√10)/4 + 1) = 0

x = -1 -  (√10)/4

There will be no sugar left after the transfer.

Given are two containers in the shape of a rectangular prism and the second one is a composite solid of rectangular prism and a triangular prism,

We need to compare the volume of both prisms,

For the volume of the composite solid we will add the volume of both solids = 1/2 × base area × height + length × width × height

= 1/2 × 300 × 8 + 12 × 12 × 25

= 1200 + 3600

= 4800 cm³

Now the volume of the old container (rectangular prism - the blue one) = length × width × height = 30 × 20 × 8 = 4800 cm³

Since the volume of both old and new container is same, so there will be no sugar left after the transfer.

Hence there will be no sugar left after the transfer.

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Answer:

(x,y) → (x+ 6,y - 3)

Step-by-step explanation:

I think you posted this question earlier as well? Basically, x moves left and right, while y moves down and up. Therefore, if you wanted to move 3 units down, you would use y-3.

The expression for b in terms of a is given as follows:

[tex]b = \ln{(2e^a - 1)}[/tex]

We have the area under a curve, hence integrals are used to obtain the formulas.

For area a, we have that:

[tex]A = \int_0^a e^x dx[/tex]

Applying the Fundamental Theorem of Calculus, we have that:

[tex]A = e^a - 1[/tex]

For area b, we have that:

[tex]B = \int_0^b e^x dx[/tex]

[tex]B = e^b - 1[/tex]

The area B is twice the area A, hence:

[tex]e^b - 1 = 2(e^a - 1)[/tex]

[tex]e^b = 2e^a - 1[/tex]

The natural logarithm is the inverse of the exponential, hence:

[tex]b = \ln{(2e^a - 1)}[/tex]

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The exponential function that represents this situation is f(x) = 0.0625(2)ˣ

From the question, we have the following parameters that can be used in our computation:

(x, y) = (1, 0.125) and (2, 0.25)

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

The function of the situation is

f(x) = a * rˣ

Where

r = 0.25/0.125

So, we have

r = 2

Substitute the known values in the above equation, so, we have the following representation

f(x) = a * (2)ˣ

Using the points, we have

a * (2)² = 0.25

So, we have

a = 0.0625

Hence, the function is f(x) = 0.0625(2)ˣ

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The probability of randomly picking a school or library-related issue from the ballot is 9/19 or approximately 0.474 (rounded to three decimal places).

To determine the probability of a randomly picked issue being school or library related, you'll need to consider the total number of issues and the number of school and library issues combined.

There are 7 school-related issues, 10 ordinance-related issues, and 2 library-related issues, making a total of 19 issues on the ballot. To find the probability of picking a school or library issue, combine the number of school and library issues: 7 + 2 = 9.

Now, divide the number of school and library issues (9) by the total number of issues (19): 9/19.

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