2x – (5 – x) = 13 + x solve step by step please

Answer:

16 sq. unit

Step-by-step explanation:

Area = ½ × base × height

= ½ × 8 × 4

= 16 sq unit

The shell method, we integrate 2πrh*dx, where r is the distance from the axis of revolution to the shell,

The volume of the solid generated by revolving the region bounded by the line y = f(x), where f(x) is a function, using the shell method, we integrate 2πrh*dx, where r is the distance from the axis of revolution to the shell, h is the height of the shell, and dx represents an infinitesimally small change in x.

The limits of integration are determined by the intersection points of the line y = f(x) with the x-axis. We evaluate the integral from the lower limit to the upper limit to obtain the volume of the solid.

The shell method allows us to calculate the volume by considering infinitesimally thin cylindrical shells perpendicular to the axis of revolution.

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The probability of getting all 7 answers correct is 0.00128%..

(a) To determine the number of possible answer sequences for the seven multiple-choice questions, each with five possible answers, we need to calculate the permutations.

Since there are 5 choices for each of the 7 questions, you will use the multiplication principle:
5 (choices for Q1) * 5 (choices for Q2) * ... * 5 (choices for Q7)

This can be simplified as:
5^7 = 78,125

So, there are 78,125 possible answer sequences for the seven questions.

(b) To find the probability of getting all seven answers correct when guessing, we need to consider that there is only one correct answer sequence out of the total possible sequences. The probability of guessing correctly can be calculated as follows:

Probability = (Number of correct sequences) / (Total number of sequences)

In this case, there is only one correct sequence, and we found there are 78,125 total sequences.

Probability = 1 / 78,125 = 0.0000128

So, the probability of getting all seven answers correct when guessing is approximately 0.0000128 or 0.00128%.

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Answer:

sure ill help

Step-by-step explanation:

Answer:

a+b=f

Step-by-step explanation:

180-f= c

180-(a+b)= c

SO

a+b= f

The two pairs of Adjacent angles in the figure are:

∠1 and ∠3, ∠3 and ∠7.

The correct option is c.

In the given diagram with two intersecting lines and angles ∠1, ∠3, ∠5, and ∠7, the adjacent angle pairs are as follows:

Adjacent angles to ∠1:

∠1 and ∠5

∠1 and ∠3

Adjacent angles to ∠3:

∠3 and ∠1

∠3 and ∠7

Adjacent angles to ∠5:

∠5 and ∠1

∠5 and ∠7

Adjacent angles to ∠7:

∠7 and ∠3

∠7 and ∠5

Adjacent angles are angles that share a common side and a common vertex, where the vertex is the point of intersection between the two lines. In this case, the adjacent angle pairs can be identified based on their relationship to each angle (∠1, ∠3, ∠5, ∠7) and the intersecting lines.

from the given choices,

∠1 and ∠3, ∠3 and ∠7

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The volume of the parallelepiped with sides given by vectors A, B and C is 13 cubic cm, which is the final answer.

The given vectors are:

A = [-4, 3, 2] cm, B = [2,1,3] cm and C= [1, 1, 4] cm

In order to calculate the volume of parallelepiped, we will use vector triple product equation:

Volume = A . (BXC)|, where BXC represents the cross product of vectors B and C.

Step-by-step solution:

We have, A = [-4, 3, 2] cm

B = [2,1,3] cm

C = [1, 1, 4] cm

Now, let's find BXC, using the cross product of vectors B and C.

BXC = | i    j     k|                    2      1     3                            1      1     4        | i    j     k |  = -i + 5j - 3k

Where, i, j, and k are the unit vectors along the x, y, and z-axes, respectively.

The volume of the parallelepiped is given by:

Volume = A . (BXC)|

Therefore, we have: Volume = A . (BXC)

\(Volume = [-4, 3, 2] . (-1, 5, -3)\\Volume = (-4 \times -1) + (3 \times 5) + (2 \times -3)\\Volume = 4 + 15 - 6\\Volume = 13\)

Therefore, the volume of the parallelepiped with sides given by vectors A, B and C is 13 cubic cm, which is the final answer.

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The range best describes how much these bowling scores varied.

What is the median of a data set ?

The median of a data set is the value that falls in the middle, indicating that 50% of the data points have values that are lower or equal to the median and 50% of the data points have values that are higher or equal to the median. When working with a small data collection, you must first count the number of data points (n) and organize them in ascending order.

The difference between the highest and lowest values for a given data collection is the range in statistics. As an illustration, if the data set contains 2, 5, 8, 10, 3, the range will be 10 - 2 = 8. So, another way to describe range is as the difference between the highest and lowest observation.

Given data set:

112, 123, 136, 145, 159

Range = 159 - 112 = 47

The range best describes how much these bowling scores varied.

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50,400 different anagrams can be made from the letters in the word statistics.

Given word : STATISTICS

Anagrams are words formed by jumbling the positions of the letters given in the word.

For such problems we do factorial of number of words and divide by the repeated letters factorials.

Total number of letters = 10

They can be permutated among themselves in 10! ways.

Some letters are repeated in word STATISTICS

Since, there are 3 S's and 3 T's and 2 I's

So, Number of anagrams = \(\frac{10!}{3!.3!.2!}\)

= \(\frac{10 \times 9 \times 8 \times 7 \times 6 \times 5 \times 4 \times 3!}{3! \times 3 \times 2 \times 1 \times 2 \times 1}\)

= \(\frac{10 \times 9 \times 8 \times 7 \times 6 \times 5 \times 4}{3 \times 2 \times 2}\)

= 10 × 9 × 8 × 7 × 2 × 5

= 50,400

50,400 different anagrams can be made from the letters in the word statistics.

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The minimum and maximum values occur at critical points where the gradient of f(x, y, z) is parallel to the gradient of the constraint equation.

In the first paragraph, we summarize the approach: to find the minimum and maximum values of the function subject to the given constraint, we can use Lagrange multipliers. The critical points where the gradients of f(x, y, z) and the constraint equation are parallel will yield the extreme values. In the second paragraph, we explain the process of finding these extreme values using Lagrange multipliers.

We define the Lagrangian function L(x, y, z, λ) = f(x, y, z) - λ(x^2 - y^2 + z). Taking partial derivatives of L with respect to x, y, z, and λ, we set them equal to zero to find the critical points. Solving these equations simultaneously, we obtain equations involving x, y, z, and λ.

Next, we solve the constraint equation x^2 - y^2 + z = 0 to express one variable (e.g., z) in terms of the others (x and y). Substituting this expression into the equations involving x, y, and λ, we can solve for x, y, and λ.

Finally, we evaluate the values of f(x, y, z) at the critical points obtained. The largest value among these points is the maximum value of the function, while the smallest value is the minimum value. By substituting the solutions for x, y, and z into f(x, y, z), we can determine the minimum and maximum values of the given function subject to the constraint equation.

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Young people respond more favorably to literature that reflects their cultural customs, and this is because of the importance of cultural background in children’s reading development. Ethnic and cultural differences play an essential role in the children's reading development.

Children's cultural and ethnic background has a considerable impact on their learning, and thus the type of literature they respond to. Children tend to read more when they find that the stories and books reflect their cultural customs and identity. This enhances their literacy and reading skills, which in turn leads to an increased interest in reading and a better understanding of what they are reading.

Cultural diversity can help children become more empathetic and accepting of differences, and can help them to learn about new cultures. Therefore, it is crucial to provide children with access to a range of culturally diverse literature to help them understand the experiences of others. Children learn more effectively when they can make connections between what they are learning and their own experiences.

In conclusion, children's reading development is influenced by their ethnic and cultural background. Young people respond more favorably to literature that reflects their cultural customs, which can help them to become more empathetic and accepting of differences, as well as develop their literacy and reading skills. Therefore, it is essential to provide children with a range of culturally diverse literature to help them learn about new cultures and understand the experiences of others.

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Answer: 6.75 cc

Step-by-step explanation:

Answer:

270.15

Step-by-step explanation:

Answer:

270.15

Step-by-step explanation:

u just add 52 and 18.72 and subtract it from 340.87

Answer:

180sec

Step-by-step explanation:

180÷60

3

1min =60seconds

60×3

=180secinds

Answer: Margo does 48 activities in 4 weeks.

Step-by-step explanation:

In the calendar,

Red dots represent homework, yellow dots represent work, and green dots represent practice.

On a typical week , she uses 5 red dots, 3 yellow dots, and 4 green dots.

That means , total activity he does in a week = 5+3+4=12

Then, total activities in 4 weeks = 4 x 12 = 48

Hence, Margo does 48 activities in 4 weeks.

If you draw all the diagonals of a normal hexagon, there are 3*6=18 possible triangles; however, three of those are identical (the equilateral triangles), leaving us with 18-3=15 triangle possibilities.

In terms of geometry, a hexagon is a closed, six-sided polygon in two dimensions. A hexagon has six angles and six vertices. Hexa and gonio both denote the number six. A hexagon can be found in the shapes of a honeycomb, a football, a pencil face, and floor tiles. a standard hexagonal 2D geometric polygon with six equal-length sides and six equal-sized angles. All of the lines are closed, and there are no curving edges. A regular hexagon has 720 degrees of internal angles. Additionally, these shapes have six rotating and six reflective symmetries.

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The perimeter of the triangle XYZ according to the midsegment theorem is 37

The midsegment theorem states that the segment that is obtained by joining the midpoints of two sides of a triangle is parallel to the third side and it is half the length of the third side of the triangle.

The specified parameters are;

The midpoint of \(\overline{XY}\) = A

The midpoint of \(\overline{YZ}\) = B

The midpoint of \(\overline{XZ}\) = C

The length of segment AC = 5

The length of segment BC = 6

The length of side XZ = 15

The segments AC, BC, and AB are midsegments of the triangle XYZ

According to the midsegment theorem, we get

AC = 0.5 × \(\overline{YZ}\)

BC = 0.5 × \(\overline{XY}\)

AB = 0.5 × \(\overline{XZ}\)

Therefore;

2 × AC = \(\overline{YZ}\)

2 × BC = \(\overline{XY}\)

2 × AB = \(\overline{XZ}\)

\(\overline{YZ}\) = 2 × 5 = 10 (substitution property)

\(\overline{XY}\) = 2 × 6 = 12 (substitution property)

The perimeter of the triangle = \(\overline{YZ}\) + \(\overline{XY}\) + \(\overline{XZ}\)
Plugging in the values, of \(\overline{YZ}\), \(\overline{XY}\), and \(\overline{XZ}\)  we get;

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Answer:

z = 6

Step-by-step explanation:

\(8z-36=2z\\6z-36=0\\6z=36\\z=6\)

The total area of the solid figure is 90 square inches + 27sqrt(3) / 4 square inches.

To find the total area of the solid figure, we need to determine the areas of each face and then add them together.

The solid figure consists of a rectangular prism with dimensions 3" x 3" x 6" and a pyramid on top with an equilateral triangle base.

First, let's find the area of the rectangular prism. The rectangular prism has two identical square faces with side length 3" and four rectangular faces with dimensions 3" x 6". The total area of the rectangular prism can be calculated as:

Area of the square faces: 2 * (3" * 3") = 2 * 9 square inches

Area of the rectangular faces: 4 * (3" * 6") = 4 * 18 square inches

Total area of the rectangular prism: 2 * 9 + 4 * 18 = 18 + 72 = 90 square inches.

Next, let's find the area of the triangular pyramid. The base of the pyramid is an equilateral triangle with side length 3". The height of the pyramid is 3". The formula to find the area of an equilateral triangle is (sqrt(3) / 4) * (side length)^2. Plugging in the values, we have:

Area of the triangular pyramid: (sqrt(3) / 4) * (3" * 3") * 3" = (sqrt(3) / 4) * 9 * 3 = (sqrt(3) / 4) * 27 = 27sqrt(3) / 4 square inches.

Now, we can find the total area of the solid figure by adding the area of the rectangular prism and the area of the triangular pyramid:

Total area = Area of rectangular prism + Area of triangular pyramid

Total area = 90 square inches + 27sqrt(3) / 4 square inches.

Thus, the total area of the solid figure is 90 square inches + 27sqrt(3) / 4 square inches.

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Answer: 1/3

Step-by-step explanation: 2/3 - 1/3 = 1/3

Three iterations are performed here to solve the system of equations using the Successive Over-Relaxation (SOR) method.

To solve the system of equations using the Successive Over-Relaxation (SOR) method, we need to iterate through the equations until convergence is achieved within the given tolerance.

The system of equations is:

- x + 10y - 2z = 8    (Equation 1)

y - 52 = -4           (Equation 2)

1 + 3x - y = 0        (Equation 3)

We start with the initial guesses:

x₀ = 0

y₀ = 0.9

z₀ = 1.1

Using the SOR method, the iteration formula is:

xₖ⁺¹ = (1 - ω)xₖ + (ω/a₁₁)(b₁ - a₁₂yₖ - a₁₃zₖ)

yₖ⁺¹ = (1 - ω)yₖ + (ω/a₂₂)(b₂ - a₂₁xₖ - a₂₃zₖ)

zₖ⁺¹ = (1 - ω)zₖ + (ω/a₃₃)(b₃ - a₃₁xₖ - a₃₂yₖ)

where ω is the relaxation factor, a₁₁, a₂₂, and a₃₃ are the diagonal elements of the coefficient matrix, b₁, b₂, and b₃ are the right-hand side values, and the subscripts k and k+1 represent the iteration steps.

Given:

tol = 0.05       (tolerance)

a₁₁ = 3

a₂₂ = 10

a₃₃ = 5

ω = 0.9

Let's proceed with the calculations using the SOR method:

Iteration 1:

x₁ = (1 - 0.9)(0) + (0.9/3)(8 - 10(0.9) - 2(1.1)) = 0.6

y₁ = (1 - 0.9)(0.9) + (0.9/10)(-4 - 3(0) - 5(1.1)) = 0.833

z₁ = (1 - 0.9)(1.1) + (0.9/5)(1 - 3(0) - 10(0.833)) = 1.035

Iteration 2:

x₂ = (1 - 0.9)(0.6) + (0.9/3)(8 - 10(0.833) - 2(1.035)) = 0.610

y₂ = (1 - 0.9)(0.833) + (0.9/10)(-4 - 3(0.6) - 5(1.035)) = 0.841

z₂ = (1 - 0.9)(1.035) + (0.9/5)(1 - 3(0.6) - 10(0.841)) = 1.012

Iteration 3:

x₃ = (1 - 0.9)(0.610) + (0.9/3)(8 - 10(0.841) - 2(1.012)) = 0.620

y₃ = (1 - 0.9)(0.841) + (0.9/10)(-4 - 3(0.610) - 5(1.012)) = 0.842

z₃ = (1 - 0.9)(

1.012) + (0.9/5)(1 - 3(0.610) - 10(0.842)) = 1.008

Continue these iterations until the solution converges within the given tolerance.

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Answer:

The range is 8.

Step-by-step explanation:

Answer: is 28.8 miles per gallon

Step-by-step explanation:

Answer:

4x-2

Step-by-step explanation:

Answer:

4x-2

Step-by-step explanation:

3(2x-2)-2(x-2)

Use the distributive property

Combine like terms

Answer:

5

(

2

)

3

=

5

×

8

=

40

bacteria 345 minutes from now

Step-by-step explanation:

5

(

2

)

3

=

5

×

8

=

40

bacteria 345 minutes from now

Answer:

(-9, -8)

Step-by-step explanation:

Answer:

1.) 2√42

2.)  31.7

3.) 26.3

4.) 67.1

5.) 60

6.) 6√2

Step-by-step explanation:

Use pythagorean theorem

a^2+b^2=c^2

Correct inequality for number of passengers that can fit in the van is p ≠ 8, meaning not equal to 8.

Debbie ought to have compared the inequality's two sides using the not equals sign. The correct answer is p ≠ 8. This represents that the number of passengers that can fit in the van is not equal to 8, meaning it can be less than 8 or greater than 8 but not equal to 8.

The inequality symbol "<" means "less than", which means the value on the left side is strictly less than the value on the right side. In this case, Debbie wrote "p < 8", which means the number of passengers that can fit in the van (p) is strictly less than 8. This is incorrect because the van can hold up to 8 passengers.

To correctly represent the number of passengers that can fit in the van, Debbie should have used the not equals sign "≠", which means "not equal to". The correct inequality is "p ≠ 8", which means that the number of passengers that can fit in the van is not equal to 8. This represents that the number of passengers can be less than 8 or greater than 8, but not equal to 8.

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The complete question is:

The Martins’ van can hold up to 8 passengers. Debbie writes the inequality p < 8, where p is the number of passengers that can fit in the van. Select the choice that provides the best explanation for Debbie’s error and the correct answer in this case. Debbie should have used 8p because 8 passengers can fit in the van. The correct inequality is 8p < 1. Debbie should have switched the inequality symbol to greater than. The correct inequality is p > 8. Debbie should have included 8 as a possible choice. The correct inequality is p < 9. Debbie should have used the not equals sign to compare the two sides of the inequality. The correct answer is p ≠ 8.

Answer:

Can you take better pictures of the question

Step-by-step explanation:

Answer:

y=−2+2x, 7/8, y=-1/4x+3, 5/-3

Step-by-step explanation:

The answers are in order from first picture to last picture.

If 6 inches represent 20 feet, then 33 inches would represent 110 feet in reality.

To determine the number of feet represented by 33 inches, we can set up a proportion using the given information:

6 inches represents 20 feet

Let's represent the number of feet represented by 33 inches as "x." The proportion can be set up as follows:

6 inches / 20 feet = 33 inches / x feet

Now we can cross-multiply:

6 inches × x feet = 33 inches * 20 feet

Simplifying further:

6x = 660

Dividing both sides of the equation by 6:

x = 660 / 6

x = 110

Therefore, 33 inches represents 110 feet.

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