Please answer ASAP I will brainlist

The volume of the cube with a diagonal of 4√2 is 64 cubic units.

To find the volume of a cube, we need to know the length of its side. In this case, we are given the length of the diagonal, which we can use to find the side length.

Let's assume the side length of the cube is represented by "s". We know that the diagonal of a cube forms a right triangle with two sides of equal length, which are the sides of the cube.

Using the Pythagorean theorem, we can set up the equation:

s² + s² = (4√2)²

Simplifying the equation:

[tex]2s² = 32[/tex]

Dividing both sides by 2:

[tex]s² = 16[/tex]

Taking the square root of both sides:

[tex]s = 4[/tex]

Now that we have the side length of the cube, we can find the volume by cubing the side length:

Volume = s³ = 4³ = 64 cubic units.

Therefore, the volume of the cube with a diagonal  of 4√2 is 64 cubic units.

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The volume of the cube whose diagonal is 4√2 is 128√2 cubic units.

To find the volume of a cube, we need to know the length of its side. Given that the diagonal of the cube is 4√2, we can use this information to determine the side length.

In a cube, the diagonal is related to the side length (s) by the equation:

diagonal = s√3

The given diagonal is 4√2. So we can set up the equation:

4√2 = s√3

To find s, we can divide both sides of the equation by √3:

s = (4√2) / √3

To simplify this expression, we can rationalize the denominator by multiplying both the numerator and denominator by √3:

s = (4√2 ׳ √3) / (√3 × √3)

s = (4√6) / √3

Now, let's calculate the value of s:

s = (4√6) / √3

s = (4/√3) × √6

s = (4/√3) × (√3 × √2)

s = 4√2

So the side length of the cube is 4√2.

Now, to calculate the volume of the cube, we use the formula:

Volume = side^3

Volume = (4√2)³

Volume = 4³ × (√2)³

Volume = 64 × 2√2

Volume = 128√2

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Answer:

The answer is number 3

Y =-3/7X + 3

Step-by-step explanation:

Substitue with the value of the two points in all answers

The value of the left side must equal the value or the right side

For instance,

The two points are (0,3) & (7,0)

Substitue in the first answer with the point (0,3)

3 = - 3 (rejected)

Second answer

3 = 3 works for the point (0,3) then also Substitue with the other point (7,0)

0 = 6 (rejected)

sub. With point (0,3).

Sub. With point (7,0)

Then that's the right one

Answer:

1

Step-by-step explanation:

The degree of a polynomial is the exponent of the varieble x. So the exponent of x in that function is 1.

The correct Option is D. 45÷3= 15 . The equation that best shows that 45 is a multiple of 15 is 45 ÷ 3 = 15.

A multiple is a product that results from multiplying two or more numbers.

A common multiple is a multiple that is common to two or more numbers.

A multiple of a number can be expressed as an integer multiple of the number.

If the result is a whole number, the first number is a multiple of the second.

An equation that shows 45 is a multiple of 15 is as follows: 45 ÷ 3 = 15.

A multiple is a number that can be divided by another number without leaving a remainder.

As a result, we divide 45 by 3 to find out whether 45 is a multiple of 15.

If the result is a whole number, 45 is a multiple of 15.

Here is the equation that shows this: 45 ÷ 3 = 15

Thus, we can conclude that the equation that best shows that 45 is a multiple of 15 is  45 ÷ 3 = 15.

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Given, Juan y Roberto is two brothers who play Rock, Paper, and Scissors to determine who does the cleaning in their room. The total number of possible outcomes is 3. The possible outcomes are rock, paper, and scissors. So, the probability of Juan not doing the cleaning is 1/2 or 50 percent.

The probability that Juan will not do the cleaning is 1/2 or 50 percent. The possible outcomes for playing the game Rock, paper, and Scissors are given as follows. Rock can break scissors, Paper can cover rock, and Scissors can cut paper. Therefore, there are three possible outcomes in this game. The possible outcomes are rock, paper, and scissors.

The probability that Juan will not do the cleaning is 1/2 or 50 percent since there are two possible outcomes where Juan does not do the cleaning. The two possible outcomes are paper and scissors. Juan can pick the paper or scissors to win. Therefore, the probability of Juan not doing the cleaning is 1/2 or 50 percent.

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The solution to the inequality f(x) > -5 is x < -5 or x > -1.

To solve the inequality f(x) > -5 for the quadratic function f(x) = x^2 + 6x, we need to find the values of x that satisfy the inequality.

First, set up the inequality:

x^2 + 6x > -5

Next, move all terms to one side of the inequality to get a quadratic expression:

x^2 + 6x + 5 > 0

To solve this quadratic inequality, we can factor it:

(x + 5)(x + 1) > 0

Now, we need to determine the sign of the expression for different intervals on the x-axis.

a) When x < -5:

If x is less than -5, both (x + 5) and (x + 1) are negative, so their product is positive.

Thus, the inequality is satisfied for x < -5.

b) When -5 < x < -1:

If x is between -5 and -1, (x + 5) is positive, but (x + 1) is negative. The product of a positive and a negative number is negative.

Thus, the inequality is not satisfied for -5 < x < -1.

c) When x > -1:

If x is greater than -1, both (x + 5) and (x + 1) are positive, so their product is positive.

Thus, the inequality is satisfied for x > -1.

Therefore, x -5 or x > -1 is the answer to the inequality f(x) > -5.

In summary:

x < -5 or x > -1.

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Answer: 10

Step-by-step explanation: it is a 5+ 5 =

The result of the row operation on the matrix is given as follows:

[tex]\left[\begin{array}{cccc}1&0&0&8\\0&8&0&3\\0&0&5&6\end{array}\right][/tex]

The matrix in this problem is defined as follows:

[tex]\left[\begin{array}{cccc}2&0&0&16\\0&8&0&3\\0&0&5&6\end{array}\right][/tex]

The row operation is given as follows:

[tex]R_1 \rightarrow \frac{1}{2}R_1[/tex]

The first row of the matrix is given as follows:

[2 0 0 16]

The meaning of the operation is that every element of the first row of the matrix is divided by two.

Hence the resulting matrix is given as follows:

[tex]\left[\begin{array}{cccc}1&0&0&8\\0&8&0&3\\0&0&5&6\end{array}\right][/tex]

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Based on the information, we can infer that the mean is 14.28, the median is 15, and there is no unique mode (several repeated values).

To calculate the measures of central tendency, we will use the data provided in the table. The pairs of shoes sold on each day are as follows: 10, 14, 15, 12, 16, 18, 16.

Mean:

The mean is calculated by adding all the values and dividing by the total number of items.

Mean = (10 + 14 + 15 + 12 + 16 + 18 + 16) / 7 = 101 / 7 = 14.28

Median:

The median is the value in the middle of an ordered data set. To calculate it, we first order the values from smallest to largest.

10, 12, 14, 15, 16, 16, 18

Since there are an odd number of values, the median is the value in the middle position, which in this case is 15. Therefore, the median is 15.

Mode:

The mode is the value that occurs most frequently in a data set. In this case, there is no value that is repeated more times than the others. The values 16 and 12 are repeated twice each, but there is no single mode. Therefore, there is no single mode in this data set.

Note: Here is the question in English:

The table shows the number of shoes sold in 1 store during a week, calculates the measures of central tendency, and perform the corresponding analysis.

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The resulting line graph will be a straight line that starts below the y-axis, crosses it at the point (0, -6), and continues upwards as the x-values increase.

To plot the line graph of the equation 2x - 6, we need to assign values to the variable x and calculate the corresponding values of y.

Let's choose a range of x-values and calculate the corresponding y-values:

For example, let's choose x = -3, -2, -1, 0, 1, 2, and 3.

Substituting these values into the equation 2x - 6, we get:

For x = -3: y = 2(-3) - 6 = -12

For x = -2: y = 2(-2) - 6 = -10

For x = -1: y = 2(-1) - 6 = -8

For x = 0: y = 2(0) - 6 = -6

For x = 1: y = 2(1) - 6 = -4

For x = 2: y = 2(2) - 6 = -2

For x = 3: y = 2(3) - 6 = 0

Now, we can plot these points on a graph with x as the horizontal axis and y as the vertical axis:

(-3, -12), (-2, -10), (-1, -8), (0, -6), (1, -4), (2, -2), (3, 0)

We can then connect these points with a straight line. Since the equation is in the form y = 2x - 6, the line will have a slope of 2 and a y-intercept of -6. The line will have a positive slope, meaning it will slant upwards from left to right.

The resulting line graph will be a straight line that starts below the y-axis, crosses it at the point (0, -6), and continues upwards as the x-values increase.

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There are no positive or negative zeros, and the number of complex zeros cannot be determined without further information.

To determine the number of positive, negative, and complex zeros of the given polynomial [tex]6 + 9x^2 + 3x^3 + 2x^4 - 12x,[/tex] we need to analyze its behavior and apply the properties of polynomial functions.

Positive Zeros:

Positive zeros are the values of x for which the polynomial evaluates to zero.

To find positive zeros, we set the polynomial equal to zero and solve for x.

However, in this case, we can see that all the coefficients of the terms in the polynomial are positive.

Therefore, there are no positive zeros.

Negative Zeros:

Negative zeros are the values of x for which the polynomial evaluates to zero.

Similar to positive zeros, we set the polynomial equal to zero and solve for x.

However, in this case, we can see that all the coefficients of the terms in the polynomial are positive.

Therefore, there are no negative zeros.

Complex Zeros:

Complex zeros occur when the polynomial has complex roots. Since the given polynomial has only real coefficients, complex zeros will occur in conjugate pairs.

To determine the number of complex zeros, we need to examine the degree of the polynomial.

In this case, the highest power of x is [tex]4 (x^4),[/tex]  indicating a fourth-degree polynomial.

A fourth-degree polynomial can have at most four complex zeros. However, we cannot determine the exact number of complex zeros without further information or solving the polynomial explicitly.

In conclusion, the given polynomial has no positive or negative zeros due to all coefficients being positive.

The number of complex zeros cannot be determined without additional information.

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Answer:

b. 7

d. 120°

f. 60°

Step-by-step explanation:

The properties of a parallelogram are:

For Question:

b.

AE=CE=7 since diagonals of parallelogram bisect each other

d.

m ∡ DCB= m ∡DAB=120° Opposite angle in a parallelogram is congruent or equal.

f.

m ∡ ADC=?

Here

m ∡ADC+ m ∡DAB=180° being co interior angle

m ∡ADC+120°=180°

m ∡ADC=180°-120°=60°

m ∡ADC=60°

Answer:

b)  AE = 7

d)  m∠DCB = 120°

f)  m∠ADC = 60°

Step-by-step explanation:

The diagonals of a parallelogram always bisect each other.

Therefore, point E (the point of intersection of the two diagonals) is the midpoint of diagonal AC.  So AE = EC.

As EC = 7, then AE = 7.

[tex]\hrulefill[/tex]

As the measure of the opposite angles of a parallelogram are equal, then m∠DCB is equal to m∠DAB. From inspection of the given parallelogram, we can see that m∠DAB = 120°. Therefore:

m∠DCB = 120°

[tex]\hrulefill[/tex]

Adjacent angles of a parallelogram are supplementary (sum to 180°).

Angle DAB and angle ADC are adjacent angles, so their sum is 180°.

Therefore:

⇒ m∠ADC + m∠DAB = 180°

⇒ m∠ADC + 120° = 180°

⇒ m∠ADC + 120° - 120° = 180° - 120°

⇒ m∠ADC = 60°

Answer:

200x - 40 (5x-1)

Step-by-step explanation:

2 x 10 = 20

20 x 10 = 200

20 x -2 = -40

200 - 40 = 100 - 20, 50 - 10, 20 - 4, 10 - 2, 5 -1

so the answer is either 5x - 1 or 200x - 40

The solutions associated with the final matrices representing a system of linear equations are listed below:

First case: x = 3, y = 1, z = 8

Second case: No solution

Third case: No solution

In this problem we find three of final matrices, each of them representing a system of linear equations. There are two rules to be considered:

Now we proceed to determine the solution associated with each matrix:

First matrix:

x = 3, y = 1, z = 8

Second matrix:

No solution

Third matrix:

No solution

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Step-by-step explanation:

For the left matrix, since the matrix is already in reduced row form,

The solutions to the matrix is (3,-1,8)

For the middle matrix, we need to convert the -6 to a zero,

notice how in the third row, every entry except the last one is 0, this implies that

0=-2, which is not the case thus the middle matrix has no solution.

For the last one, notice that we have 3 colums but only two non zero rows, this means that this matrix has infinite solutions.

Answer:

70%

Step-by-step explanation:

Hello !

Answer:

[tex]\large \boxed{\sf \sum\limits^6_{k=3}(-2k+5)=-16}[/tex]

Step-by-step explanation:

We want to calculate the following sum :

[tex]\sf \sum\limits^6_{k=3}(-2k+5)[/tex]

Let's remember the following property :

[tex]\fbox{\begin{tabular}{1\textwidth}\star\ \underline{\sf Linearity:}\\ \sf \sum\limits^n_{k=n_0}(\alpha a_k+\beta b_k)=\alpha\sum\limits^n_{k=n_0} a_k+\beta \sum \limits^n_{k=n_0}b_k\end{tabular}}[/tex]

Now we can apply this property to our formula :

[tex]\sf \sum\limits^6_{k=3}(-2k+5)\\=-2\sf \sum\limits^6_{k=3}(k)+\sum\limits^6_{k=3}5[/tex]

Now we can calculate :

[tex]\sf \sum\limits^6_{k=3}(-2k+5)\\=-2(3+4+5+6)+(6-3+1)5\\=-2\times18+4\times 5\\=-36+20\\\boxed{\sf \sum\limits^6_{k=3}(-2k+5)=-16}[/tex]

Have a nice day ;)

Answer:c

Step-by-step explanation:

The correct answer is:  A. Yes; each input pairs with only one output.

To determine whether the given mapping diagram represents a function, we need to analyze the relationship between the input values (x) and the corresponding output values (y).

Looking at the mapping diagram, we can see that the input value -5 is paired with the output value 8. This implies that when x = -5, the corresponding y value is 8. Similarly, when x = 9, the corresponding y value is -8.

Since each input value has a unique and specific output value, we can conclude that the mapping diagram represents a function. In other words, for every input value, there is only one output value associated with it.

This is consistent with the definition of a function, where each input has a single and distinct output. Therefore, the mapping diagram satisfies the criteria for a function, and the correct answer is:

A. Yes; each input pairs with only one output.

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The mapping diagram does not represent a function that reflects this is: No; each output value pairs with two input values. D.

To determine whether the mapping diagram represents a function, we need to assess whether each input value pairs with only one output value.

Looking at the given mapping diagram:

-5 -> 8

9 -> y

-8 -> y

We can see that the input value -5 maps to the output value 8.

There are two different input values, 9 and -8, that map to the same output value, y.

In a function, each input should correspond to exactly one output, but in this case, the output value y is associated with two different input values.

In this case, y, the output value, pairs with both 9 and -8, indicating that the diagram does not meet the criteria for a function.

We must examine if each input value couples with only one output value in order to evaluate whether the mapping diagram reflects a function.

Observing the provided mapping diagram:

-5 -> 8 9 -> y -8 -> y

As can be seen, the input value of -5 corresponds to the output value of 8.

The identical output value, y, is mapped to two distinct input values, 9 and -8.

A function should have only one output for each input, however in this situation, the output value y is connected to two separate input values.

This figure does not fit the definition of a function because the output value, y, couples with both 9 and -8.

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The fraction of the container needed to fill up the gas tank of the lawn mower four times is 6/12. Option D.

The shaded part of the circle represents the fraction of gas needed to fill up the gas tank of the lawn mower once. To determine the fraction needed to fill it up four times, we can simply multiply the fraction by 4.

Let's assume that the shaded part of the circle represents x part of the whole container. Therefore, the fraction needed to fill up the gas tank of the lawn mower once is x.

To fill up the gas tank four times, we need to multiply x by 4. Therefore, the fraction needed to fill up the gas tank four times is 4x.

Now, we can compare this to the answer choices given:

8/48: This can be simplified to 1/6, which is not equal to 4x.

8/12: This can be simplified to 2/3, which is not equal to 4x.

6/16: This can be simplified to 3/8, which is not equal to 4x.

6/12: This can be simplified to 1/2, which is equal to 4x.

Therefore, the correct answer is 6/12, which represents the fraction of the container needed to fill up the gas tank of the lawn mower four times. so Option D is correct.

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Note the complete question is

The perimeter of the figure is 30 cm.

The perimeter of the figure is the sum of the whole sides of the figure. Therefore, the perimeter of the figure can be found as follows:

perimeter of the figure = sum of the whole sides

Therefore,

perimeter of the figure = 6 cm + 9 cm + 2 cm + 3cm + 2cm + 3cm + 2cm + 3cm

Hence,

perimeter of the figure = 15 cm + 5 cm + 5cm + 5 cm

perimeter of the figure = 30 cm

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The value of x in ΔSTU is in the range (2, 32).

Given that ΔSTU is a triangle,

ST = 15,

US = x,

UT = 17.

We need to find the length of x in the triangle STU.

To solve this question, we need to apply the triangle inequality theorem.

According to the theorem, the sum of the lengths of any two sides of a triangle is greater than the length of the third side.

Therefore, using this theorem, we get:

ST + US > UT => 15 + x > 17

=> x > 17 - 15

=> x > 2US + UT > ST

=> x + 17 > 15 => x > 15 - 17

=> x > -2UT + ST > US

=> 17 + 15 > x

=> 32 > x

In this case ST = 15, US = x, UT = 17. Let's apply the triangle inequality to the sides of the triangle STU:

ST + US > UT

15 + x > 17

Simplify the inequality:

x > 17 - 15

x > 2

Triangle STU is valid The length of US(x) must be greater than 2 to be a perfect triangle.

However, without further information, we cannot determine the exact value of x.

You can specify any value greater than 2.

Therefore, from the above conditions, we conclude that 2 < x < 32.

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Answer:

perimeter = 75 cm , area ≈ 28.3 in²

Step-by-step explanation:

23 (a)

since the figure is being enlarged by a scale factor of 5

then the perimeter is increased by a factor of 5.

perimeter of larger shape = 5 × 15 = 75 cm

24

the area (A) of the sector is calculated as

A = area of circle × fraction of circle

  = πr² × [tex]\frac{90}{360}[/tex]

  = π × 6² × [tex]\frac{1}{4}[/tex]

  = 36π × [tex]\frac{1}{4}[/tex]

  = 9π

  ≈ 28.3 in² ( to 1 decimal place )

Step-by-step explanation:

Let the statement be:

The converse of a statement is:

Let's try it for each statement and see if the converse is true.

a) The converse is:

It is true.

b) The converse  is:

It is true.

c) The converse is:

It is false, since not all rhombus have four right angles.

d) The converse is:

It is false, since it could be a square.

a. Converse: If the interior angles sum to 180°, then my shape is a triangle. (Converse is not true)

b. Converse: If alternate interior angles are equal, then the lines are parallel. (Converse is true)

c. Converse: If I have a Rhombus, then I also have a Square. (Converse is not true)

d. Converse: If I have a shape with four right angles, then I have a rectangle. (Converse is true)

a. Converse: If the interior angles of a shape sum to 180°, then the shape is a triangle.

The converse of this statement is not true. There are many shapes other than triangles whose interior angles sum to 180°, such as quadrilaterals and polygons with more than four sides.

b. Converse: If alternate interior angles of two lines are equal, then the lines are parallel.

The converse of this statement is true. If the alternate interior angles of two lines are equal, then the lines are parallel. This is a property of parallel lines and can be proven using the corresponding angles postulate.

c. Converse: If I have a Rhombus, then I also have a Square.

The converse of this statement is not true. While all squares are rhombuses (a square is a special type of rhombus), not all rhombuses are squares. A rhombus is a quadrilateral with all sides of equal length, but its angles can be anything other than 90°.

d. Converse: If I have a shape with four right angles, then I have a rectangle.

The converse of this statement is true. If a shape has four right angles, then it is a rectangle. This is a defining characteristic of rectangles, as all rectangles have four right angles.

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The complete question is :

Write the converse of each statement and determine if the converse is true.

a. If my shape is a triangle, then the interior angles sum to 180°.

b. If two lines are parallel, then alternate interior angles are equal.

c. If I have a Square, then I also have a Rhombus.

d. If I have a rectangle, then I have a shape with four right angles.

The midpoint of the line segment with endpoints (2, 6) and (10, 4) is (6, 5).

To find the midpoint of a line segment, we can use the midpoint formula, which states that the coordinates of the midpoint are the average of the coordinates of the endpoints.

Let's denote the coordinates of the first endpoint as (x1, y1) and the coordinates of the second endpoint as (x2, y2).

In this case, the first endpoint is (2, 6) with coordinates (x1, y1) = (2, 6), and the second endpoint is (10, 4) with coordinates (x2, y2) = (10, 4).

To find the midpoint, we use the midpoint formula:

Midpoint = ((x1 + x2) / 2, (y1 + y2) / 2)

Plugging in the values, we have:

Midpoint = ((2 + 10) / 2, (6 + 4) / 2)

= (12 / 2, 10 / 2)

= (6, 5)

As a result, (6, 5) is the point on the line segment where the endpoints are (2, 6) and (10, 4) respectively.

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Answer:

Not parallelogram

Step-by-step explanation:

points A(-4, 1), B(1,3), C(8, -1) and D(4, -3).

The slope of a line can be found using the following formula:

Slope  [tex]m= = \frac{(y_2 - y_1) }{(x_2 - x_1)}[/tex]

where (x1, y1) and (x2, y2) are the coordinates of two points on the line.

Using the formula above,

Side AB: Slope =[tex]\frac{3-1}{1-(-4)}=\frac{2}{5}[/tex]

Side BC: Slope =[tex]\frac{-1-3}{8-1}=\frac{-4}{7}[/tex]

Side CD: Slope =[tex]\frac{-3 - (-1)}{4 - 8}= \frac{1}{2}[/tex]

Side DA: Slope =[tex]\frac{-3 - 1}{4 - (-4)}= \frac{-1}{4}[/tex]

Since The slopes of opposite sides are equal,

Therefore ABCD is not Parallelogram: