a cube is made up of 27 equal sized cubes. if all faces of the large cube are painted, how many small cubes will not have any paint on any of their faces?

The scatter plot reveals a positive connection since the y-values grow as the x-values grow.

An example of a graph that employs Cartesian coordinates to show values for two categories for a collection of data is a scatter plot, sometimes referred to as a scatter diagram. Each pixel in the data's representations is a point with a horizontal position (indicating the value of one variable) and a vertical displacement (representing the value of the other variable). In order to observe correlations among variables and spot patterns in the data, scatter plots is utilised. They are frequently employed in data processing, statistics, and academic studies.

given

The scatter plot reveals a positive connection since the y-values grow as the x-values grow.

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(1) The right solution of given equation is  8.(2)The equation 8x = 64 has only one solution

The definition of an equation is a mathematical statement that shows that two mathematical expressions are equal. For instance, 3x + 5 = 14 is an equation, in which 3x + 5 and 14 are two expressions separated by an 'equal' sign.

Part A: Masha's solution is incorrect.

In Step 2, Instead of dividing 64/8 she did mistake she subtract 64 by 8

So, the correct step to solving this equation is

8x = 64

x = 64/8

x=8

Hence the right solution of given equation is  8

Part B: The equation 8x = 64 has only one solution, which is x = 8. This is because there is only one value of x that satisfies the equation.

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(1) The right solution of given equation is 8.

(2)The equation 8x = 64 has only one solution

The definition of an equation is a mathematical statement that shows that two mathematical expressions are equal. For instance, 3x + 5 = 14 is an equation, in which 3x + 5 and 14 are two expressions separated by an 'equal' sign.

Part A: Masha's solution is incorrect.

In Step 2, Instead of dividing 64/8 she did mistake she subtract 64 by 8

So, the correct step to solving this equation is

8x = 64

x = 64/8

x=8

Hence the right solution of given equation is 8

Part B: The equation 8x = 64 has only one solution, which is x = 8. This is because there is only one value of x that satisfies the equation.

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Answer:  

Distant with current is 30, distance against current is 24.

Rate with current is 6, rate against current is 4.

Time with current is 8 hours, time against current is 14

Step-by-step explanation:  

2nd question answer: 24 - 6x = 8.

The correct options for the given rational numbers are (a) ii and iv.

P/Q is the format for rational numbers, where p and q are open-ended integers and q 0. The natural numbers, whole numbers, integers, fractions of integers, and decimals are all examples of rational numbers.

To compare the rational numbers, we need to perform the given operations and determine their relative magnitudes:

i. -2.3 - 1.3 = -3.6

ii. -2.3 -1.3 = -3.6

iii. -2.3 > -3.3

iv. -2.3 -3.3 = -5.6

Comparing i and ii, we see that they are equal. Therefore, both options i and ii are true.

Comparing iii, we see that -2.3 is greater than -3.3. Therefore, option iii is true.

Comparing iv, we see that -5.6 is less than both -2.3 and -3.3. Therefore, option iv is false.

So, the correct options are (a) ii and iv.

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The side lengths of the triangle are CA = 42.0 and BC = 36.4

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

The triangle

Using the tangent rratio, we have

tan(60) = BC/21

So, we have

BC = 21 * tan(60)

Evaluate

BC = 36.4

Next, we have

CA = √[36.4^2 + 21^2] -- pythagoras theorem

Evaluate

CA = 42.0

Hence, the side lengths are CA = 42.0 and BC = 36.4

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The equation that shows the relationship is w = 38m.

If Mrs. Lopez types at a constant rate, then the number of words she types is directly proportional to the amount of time she types. We can express this relationship using the formula:

w = km

where w is the number of words typed, m is the number of minutes spent typing, and k is the constant of proportionality.

We are given that k = 38, so we can substitute this value into the formula to get:

w = 38m

Therefore, the equation that shows the relationship between the number of words Mrs. Lopez types and the number of minutes she types is w = 38m.

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So Wanda will make more money from the second deal than the first deal if she sells more than 20,000 books.

In mathematics, an inequality is a statement that two values or expressions are not equal. It describes a relationship that is either greater than, less than, or not equal to another value or expression. Inequalities are often represented using symbols such as > (greater than), < (less than), ≥ (greater than or equal to), and ≤ (less than or equal to).

Here,

To determine the range of sales for which Wanda would make more from the second deal than the first deal, we need to set up an inequality that compares the total earnings for each deal. Let's let x be the number of books sold.

For the first deal, Wanda will earn:

Total earnings = $70,000 + $2x

For the second deal, Wanda will earn:

Total earnings = $40,000 + $3.50x

We want to find the range of x values for which the second deal earns more than the first deal. Mathematically, we can express this as:

$40,000 + $3.50x > $70,000 + $2x

Subtracting $2x from both sides gives:

$40,000 + $1.50x > $70,000

Subtracting $40,000 from both sides gives:

$1.50x > $30,000

Dividing both sides by $1.50 gives:

x > 20,000

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The given system of equations can be represented in matrix form as:

| 10 13 15 | | x | | 4 |

| 12 -2 5 | x | y | = |-8 |

| 2 2 -6 | | z | | 4 |

Therefore, the matrix A is:

| 10 13 15 |

| 12 -2 5 |

| 2 2 -6 |

And the vector ⇾b is:

| 4 |

|-8 |

| 4 |

Answer:

82 and 95

Step-by-step explanation:

Most repeated

In the given triangle, using the law of Cosines, the value of angle θ is 103°

From the question, we are to calculate the value of angle θ in the diagram.

From the given diagram,

We have a triangle ABC with given side lengths

From the given information,

a = 42 cm

b = 78 cm

c = 57 cm

From the law of Cosines, we have that

cos B = (a² + c² - b²)/2ac

Thus,

cos θ = (a² + c² - b²)/2ac

Substitute the parameters

cos θ = (42² + 57² - 78²)/2(42)(57)

cos θ = (1764 + 3249 - 6084) / (4788)

cos θ = -1071/4788

θ = cos⁻¹(-1071/4788)

θ = 102.9255

θ ≈ 103°

Hence, the value of θ is 103°

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Using the laws of outside angle, we can find the value of the angle x° to be = 77°.

The measure of an exterior angle is equal to the sum of the measures of the two distant interior angles of the triangle, according to the external angle theorem. According to the exterior angle inequality theorem, any triangle's outside angle has a measure bigger than either of its opposing interior angles.

Here in the question,

The measure of the 2 arcs is given as 85° and 172°.

The measure of the 3rd arc that is subtended by the tangents is:

360° - 85° - 172°

= 103°

As per the outside angle theorem,

x° = 180° - 103°

= 77°

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The match of the given defines are any measure representing the center of a set of data arranged in a decreasing or increasing order of magnitude is Measure of central tendency, Commonly referred to as the average of all values is Mean, Middle value in the set of data arranged in increasing or decreasing order is Median, Contains two modes is Bimodal, Most frequently occurring score is Mode.

The identified match from the box to the given defines are the mean is the sum of all values divided by the total number of values. The median is the middle value when data is arranged in order.

The mode is the value that appears most frequently in a set of data. Bimodal refers to a distribution that has two modes. Finally, measure of central tendency refers to any method used to represent the center of a set of data.

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

" identify the following defines. and choose from below box:

mean, mode, median, measure of central tendency, bimodal

1. ) Any measure representing the center of a set of data arranged in a decreasing or increasing order of magnitude.

2. ) Commonly referred to as the average of all values.

3. ) Middle value in the set of data arranged in increasing or decreasing order.

4. ) Contains two modes.

5. ) Most frequently occurring score.

pls answer my grade dropped to 75 last grading pls answer correctly​"--

The arithmetic sequence is 49 x 4 = 196,  94 x 6 = 564.

What is arithmetic sequence?

An arithmetic sequence is a sequence of numbers in which each term after the first is found by adding a fixed constant number, called the common difference, to the preceding term.

1. 76 x 8 = 608

2. 84 x 9 = 756

3. 68 x 4 = 272

4. 32 x 6 = 192

PART 2

5. 59 x 7 = 413

6. 74 x 8 = 592

7. 68 x 8 = 544

8. 95 x 9 = 855

9. 84 x 5 = 420

10. 22 x 4 = 88

11. 48 x 5 = 240

12. 84 x 8 = 672

13. 76 x 9 = 684

14. 89 x 9 = 801

15. 63 x 5 = 315

16. 32 x 9 = 288

17. 63 x 8 = 504

18. 79 x 9 = 711

19. 78 x 5 = 390

20. 49 x 4 = 196

21. 94 x 6 = 564

Therefore, The arithmetic sequence is 49 x 4 = 196,  94 x 6 = 564

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Answer:

its taking the immage on the right and moving it ounter clockwise 90°

The expression representing the width of the garden is given as follows:

6w + 2.

An equivalent expression is given as follows:

2(3w + 1).

The width of the rectangle is represented as follows:

w.

Six times the width of the rectangle is represented as follows:

6w.

Two feet plus six times the width of the rectangle is represented as follows:

6w + 2.

6 = 2 x 3, hence the simplified expression can be given as follows:

2(3w + 1).

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Answer:

Let's use a system of equations to solve the problem.

Let x be the number of regular admission tickets sold, and y be the number of fast pass tickets sold.

From the problem, we know that:

x + y = 104 (equation 1)

and

8x + 22y = 1280 (equation 2)

We can use equation 1 to solve for x in terms of y:

x = 104 - y

Substituting this expression for x into equation 2, we get:

8(104 - y) + 22y = 1280

Simplifying and solving for y, we get:

832 - 8y + 22y = 1280

14y = 448

y = 32

So the student sold 32 fast pass tickets.

To find the number of regular admission tickets sold, we can substitute y = 32 into equation 1 and solve for x:

x + 32 = 104

x = 72

So the student sold 72 regular admission tickets.

Therefore, the student sold 72 regular admission tickets and 32 fast pass tickets.

So, the area of the shape is 164.4 square meters.

In geometry, area is the measure of the size of a two-dimensional surface or region. It is the amount of space inside the boundaries of a flat object such as a polygon, circle, or rectangle. Area is measured in square units, such as square meters (m²), square centimeters (cm²), square feet (ft²), square inches (in²), and so on. To calculate the area of a shape, you typically need to use a specific formula depending on the type of shape, such as base times height for a triangle, or length times width for a rectangle.

Here,

The area of the shape is equal to the sum of the areas of these smaller pieces. We can calculate each area as follows:

The area of the rectangle on the left is 4m x 8.4m = 33.6 square meters.

The area of the rectangle on the right is 8m x 11.4m = 91.2 square meters.

The area of the triangle on the top is (8.4m x 4m) / 2 = 16.8 square meters.

The area of the triangle on the bottom is (11.4m x 4m) / 2 = 22.8 square meters.

Therefore, the total area of the shape is:

33.6 + 91.2 + 16.8 + 22.8 = 164.4 square meters

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A scatter plot is a graphical representation of a set of data points that displays the relationship between two variables.

How to solve the question?

The plot uses a Cartesian coordinate system, with one variable plotted on the x-axis and the other on the y-axis. Each data point is represented by a dot, with its location on the plot determined by its values for the two variables. The pattern of the dots on the plot gives insight into the relationship between the two variables.

Scatter plots are useful for visualizing the strength and direction of a relationship between two variables. A positive relationship between the variables means that as one variable increases, the other variable also increases. In contrast, a negative relationship means that as one variable increases, the other variable decreases. A scatter plot can also help to identify any outliers or unusual data points.

Scatter plots can be used to analyze many types of data, including scientific data, financial data, and social data. They can be used to identify trends, correlations, and patterns that might not be immediately apparent from a simple numerical analysis of the data. Scatter plots are a valuable tool for data analysis and visualization, and are widely used in scientific research, data analysis, and data-driven decision making.

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Answer:

for the following question the answer will be

1/5=0.2 given as example

60%=0.6

50%=1/2

3/4=0.75

for 1/6 there os no answer for it the answer is 0.166

Answer:

input output

3 7

8 16

n blank

Step-by-step explanation:

we can see that the function's output is twice the input plus one. Therefore, when the input is 6, the output will be 2 * 6 + 1 = 13. When the input is 14, the output will be 2 * 14 + 1 = 29. However, since the output for the input value "n" is not given in the table, we cannot determine the output for that input.

I hope it helps you

Answer:

a = -2 b = -3

Step-by-step explanation:

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Answer:

  8%

Step-by-step explanation:

You want to know what percentage of milkshakes had whipped cream if 2 had whipped cream and 23 didn't.

The fraction of the total number that had whipped cream is ...

  2/(2+23) = 2/25

The percentage is found by multiplying the fraction by 100%:

  2/25 × 100% = 8%

8% of the milkshakes had whipped cream.

Answer:

Step-by-step explanation:

To solve this problem, we can use the formula:

distance = rate x time

Since Tina bicycles at a constant speed, we can simplify the formula to:

distance = speed x time

For the first 2 hours, Tina bicycles at a constant speed, so the distance she travels is:

distance = speed x time = s x 2

After taking a 1-hour break, Tina continues to bicycle at the same speed for another 2 hours, so the distance she travels is:

distance = speed x time = s x 2

Therefore, the total distance Tina travels over the 5-hour period is:

total distance = 2s + 2s = 4s

This means that the total distance Tina bicycles is directly proportional to the speed at which she travels. In other words, if Tina travels twice as fast, she will cover twice the distance in the same amount of time.

With this in mind, we can eliminate choices (A) and (B), which show linear relationships between distance and time. Since Tina is traveling at a constant speed, the graph of her distance should be a straight line with a positive slope.

Choice (C) shows a straight line with a positive slope, but the slope is too steep. This graph would indicate that Tina is traveling at a much faster speed than she actually is.

Choice (D) shows a straight line with a positive slope that is not as steep as (C). This graph accurately represents Tina's constant speed and shows the increase in distance after the break. Therefore, the correct graph is (D).

Example

It took Markus half an hour to drive home from work.  He averaged 34 miles per hour.  How far does Markus live from his work?

Solution

We are given that it takes 1/2 an hour for the trip.  This is a time:

       t  =  1/2

We are given that he averages 34 miles per hour.  This is a rate:

       r  =  34

We are asked how few he has traveled.  This is a distance.  We use the d=rt equation:

       d  =  rt

           =  (34)(1/2)

           =  17

Markus lives 17 miles from work.

The percentage of Container B that is full after the pumping is complete is 77.2%.

To find the percentage of Container B that is full after the water from Container A is pumped into it, we first need to find the volume of both containers.

The volume V of a cylinder can be calculated using the formula:

V = πr²h

Volume of Container A (V A) = π x (10^2) x 20 = 2000π cubic feet

Volume of Container B (V B) = π x (12^2) x 18 = 2592π cubic feet

Percentage = (V A / V B) x 100

Percentage = (2000π / 2592π) x 100

Percentage = (2000 / 2592) x 100 = 77.1604938

To the nearest tenth, the percent of Container B that is full after the pumping is complete is approximately 77.2%.

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The direction of the greatest increase in heat from the point (2, 5) is in the direction of the vector (-21, -20).

To find the direction of the greatest increase in heat from point (2, 5), we need to find the gradient vector of the temperature function T(x,y) at that point, and then determine the direction in which the gradient vector points.

The gradient vector of T(x,y) is given by:

∇T(x,y) = (∂T/∂x)i + (∂T/∂y)j

where i and j are the unit vectors in the x and y directions, respectively.

Taking the partial derivatives of T(x,y) with respect to x and y, we get:

∂T/∂x = (x² - y²)/(x² + y²)²

∂T/∂y = -2xy/(x² + y²)²

Substituting x = 2 and y = 5, we get:

∂T/∂x = (4 - 25)/(29)² = -21/1681

∂T/∂y = -20/1681

Therefore, the gradient vector of T(x,y) at the point (2, 5) is:

∇T(2,5) = (-21/1681)i - (20/1681)j

The direction of the greatest increase in heat from points (2, 5) is in the direction of the gradient vector. We can normalize the gradient vector to get the unit vector in this direction:

u = (∇T(2,5))/|∇T(2,5)|

where |∇T(2,5)| is the magnitude of the gradient vector, given by:

|∇T(2,5)| = √((-21/1681)² + (-20/1681)²) = sqrt(841)/1681 = 1/41

Thus, the unit vector in the direction of greatest increase in heat from the point (2, 5) is:

u = (-21/1681i - 20/1681j)/(1/41) = -21i - 20j

Therefore, the direction of the greatest increase in heat from points (2, 5) is in the direction of the vector (-21, -20).

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The last number in row 6 is 58. The difference between the last number in row 6 and the first number in row 6 is 10

To find the equation for the pattern, let's first observe the pattern in the given rows:

We notice that the difference between the consecutive numbers in each row is 2.

Now let's observe the first number in each row:

It seems that the first number in each row can be calculated by multiplying the row number by (row number + 2). So, for row 6, the first number would be:

6 * (6 + 2) = 6 * 8 = 48

Now let's calculate the remaining numbers in row 6:

Row 6: 48 50 52 54 56 58 (difference = 2)

The last number in row 6 is 58. The difference between the last number in row 6 and the first number in row 6 is:

58 - 48 = 10

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The solution in natural numbers for the equation is x = 100 and y = 1.

The positive integers 1, 2, 3, 4, 5,... are known as "natural numbers." N stands for the set of natural numbers. Natural numbers are the building blocks of mathematical operations including addition, subtraction, multiplication, and division. They are also used to count objects. They make up a portion of the set of whole numbers, which also contains the natural numbers and 0 as well. There is no biggest natural number since the collection of natural numbers is endless and unbounded.

To determine the solution of the equation we use the difference of square identity given as:

(x + y)(x - y).

Now, for the given function we have:

(x - y)(x + y = 303

The two factors of 303 are 101 and 99.

Thus,

x + y = 101

x - y = 99

Adding the two equations we have:

2x = 200

x = 100

Now, for x = 100 the value of y is:

100 - y = 99

y = 1

Hence, the solution in natural numbers is x = 100 and y = 1.

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According to the nearest hundredth, the length of the wire in the photograph is 200 cm.

What in mathematics is a semicircle?

By dividing a circle into two halves along a diameter line, a semicircle is created, which is a half-circle.

The wire will be cut into four semicircles, each of which will have a circumference equal to its length.

Therefore, if one semicircle has a diameter of 32 cm, its radius is 32/2 cm, or 16 cm.

Right now, a circle's circumference equals 2*(pi)*(radius).

Since this is a semicircle, its circumference is equal to (pi)*(radius), or one-half of a circle.

The circumference of four semicircles is then equal to four * pi * radius.

Pi has a value of 22/7.

Thus, the length of the wire is 4*(22/7)*16 cm, which, when rounded to the nearest hundredth, is 200 cm.

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Hence, 201 [tex]cm^{2}[/tex] long is the wire to the nearest hundredth.

In mathematics, a semicircle is a  one-dimensional locus of points that forms  half of a circle. It is a circular arc that  measures 180°.  It has only one line of symmetry.

In geometry, the circumference is the perimeter of a circle or ellipse. That is, the circumference would be the arc length of the circle, as if it were opened up and straightened out to a line segment. More generally, the perimeter is the curve length around any closed figure .

In other words ,The meaning of circumference is the distance around a circle or any curved geometrical shape. It is the one-dimensional linear measurement of the boundary across any two-dimensional circular surface.

According to figure

diameter of  all semi circle (d) = 32 cm.

so radius of  all semi circle r = [tex]\frac{32}{2}[/tex] = 16 cm.

length of wire = circumference of semicircle =

⇒ total length length of wire = 4 * circumference of semicircle

                                                                                 {∵ no. of semicircle=4

∴ total length length of wire = 4 * [tex]\pi*r[/tex]      

∴ total length length of wire = 4 *3.14*16              {we know that , [tex]\pi=3.14[/tex]

∴ total length length of wire =200.96[tex]cm^{2}[/tex] ≅ 201[tex]cm^{2}[/tex]

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Using multiplication we know that after 141 min there will be 400,000 bacteria present.

One of the four fundamental arithmetic operations, along with addition, subtraction, and division, is multiplication.

A product is the output of a multiplication operation.

When you take a single number and multiply it by several, you are multiplying.

A 5 multiplied by 4 results in 20 (5 + 5 + 5 + 5).

We multiplied the number five by four times.

Multiplication is commonly referred to as "times" because of this.

So, in the given situation:

At the initial stage, the number of bacteria is: 50,000

Then, after 47 min: 50,000 * 2 = 100,000

Then, after 47 min which is after 94 min: 100,000 * 2 = 200,000

Then, after 47 min which is after 141 min: 200,000 * 2 = 400,000

Therefore, using multiplication we know that after 141 min there will be 400,000 bacteria present.

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