A. it has no rotational symmetry
B. It has rotational symmetry with an angle of rotation of 180°
C. It has point symmetry
D It has recreational symmetry
PLEASE HELP WILL MARK BAINLIST​

Answer: 26-8-12=x

He has 6 dollars left

Step-by-step explanation:

Answer:

$29.60

Step-by-step explanation:

$11.20/14 miles = $0.80 per mile

$0.80 x 37 = $29.60

Answer:

$29.60 is the correct answer hope this helps

Answer:

24

Step-by-step explanation:

The height of the rectangular prism is 4 units. Each layer is 6 units so 6 x 4 = 24.

Answer:

Yes,

\(y^{6} x\)

Step-by-step explanation:

\(y^{5} xy = y^{5} *y*x = y^{6} x\)

The polar coordinates of (3, -1) are (√10, 6.01 radian), and the polar coordinates of (-4, -4) are (4√2, 0.78 radian).

Given Cartesian coordinates (x, y) of a point, we have to find the polar coordinates of the points for 0 ≤ θ ≤ 2π and r ≥ 0.

a) We are given (x, y) = (3, -1). To find polar coordinates, we can use the following equations :r = √(x² + y²)θ = tan⁻¹(y/x)

Where r is the distance from the origin to the point, and θ is the angle the line segment joining the point and the origin makes with the x-axis.

r = √(x² + y²) r = √(3² + (-1)²) r = √(9 + 1) r = √10

The value of r is √10.θ = tan⁻¹(y/x) θ = tan⁻¹((-1)/3) θ = tan⁻¹(-0.33) θ = -0.33 radian

Since the value of θ is negative, we add 2π to get a value between 0 and 2πθ = 2π + (-0.33)θ = 6.01 radian

The polar coordinates of the point (3, -1) are (√10, 6.01 radian).

b) We are given (x, y) = (-4, -4). To find polar coordinates, we can use the following equations: r = √(x² + y²)θ = tan⁻¹(y/x)

Where r is the distance from the origin to the point, and θ is the angle the line segment joining the point and the origin makes with the x-axis.

r = √(x² + y²)r = √((-4)² + (-4)²)r = √(16 + 16)r = √32 r = 4√2

The value of r is 4√2.θ = tan⁻¹(y/x)θ = tan⁻¹((-4)/(-4))θ = tan⁻¹(1)θ = 0.78 radian

The polar coordinates of the point (-4, -4) are (4√2, 0.78 radian).

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To determine the change in angular momentum (ΔL) of a cylinder from t = 0 to t = t0, a student can use the equation:

ΔL = I * Δω

where ΔL is the change in angular momentum, I is the moment of inertia of the cylinder, and Δω is the change in angular velocity.

To calculate Δω, the student needs to know the initial and final angular velocities, ω0 and ωt0, respectively. The change in angular velocity can be calculated as:

Δω = ωt0 - ω0

Once Δω is determined, the student can use the moment of inertia (I) of the cylinder to calculate ΔL using the equation mentioned earlier.

The moment of inertia (I) depends on the mass distribution and shape of the cylinder. For a solid cylinder rotating about its central axis, the moment of inertia is given by:

I = (1/2) * m * r^2

where m is the mass of the cylinder and r is the radius of the cylinder.

By substituting the known values for Δω and I into the equation ΔL = I * Δω, the student can calculate the change in angular momentum (ΔL) of the cylinder from t = 0 to t = t0.

It's important to note that this method assumes that no external torques act on the cylinder during the time interval. If there are external torques involved, the equation for ΔL would need to include those torques as well.

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Answer:

The total distance David has to travel 20 miles.

The speed limit is 30 mph. He leaves supermarket at 18 10 , he has 50 minutes to get home before 1900.

when traveling within the speed limit he can reach on time because he has to travel only 20 miles which is possible and it won't take him 1 hour according to the 30 mph speed limit.

The sampling distribution in this case is positively skewed. This is due to the fact that the mean is greater than the median, and the data is spread out further to the right than to the left, resulting in a long right tail on the histogram.

Data is information that has been collected, organized, and presented in a meaningful way. It can include facts, figures, observations, and other information, such as survey responses, images, and videos. Data is used to inform decision-making, inform research and analysis, and generate insights. Data can be qualitative or quantitative, and it is often gathered from multiple sources. Data can be collected through surveys, experiments, observational studies, or other methods. When combined with analytical tools, data can be used to identify patterns and trends, generate insights, and develop strategies.

The best description of the shape of the sampling distribution in this case would be positively skewed. Positively skewed distributions occur when the mean is greater than the median, and the data is spread out further to the right than to the left. This results in a long tail on the right side of the histogram that skews the data in a positive direction. To determine if this is the case, we can calculate the mean and median of the data.

To calculate the mean, we will use the formula for the population mean: $$\mu = \frac {\sum_{i=1}^n x_i} n$$

where $\mu$ is the population mean, $\sum_{i=1}^n$ represents the sum of all the data points, and $n$ is the sample size.

For the median, we can use the formula for the population median: $$Median = \frac{n+1}{2}th \ \ term$$

where $n$ is the sample size.

In this case, the sample size is 36, so the median would be the 18.5th term.

Now that we have the formulas, we can calculate the mean and median of the data.

The mean of the data is $46,408.89$.

The median of the data is $25,000.

Since the mean is greater than the median, it indicates that the data is positively skewed. This is further confirmed by examining the histogram of the data, which shows a long right tail on the right side of the histogram.

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The group of volunteers can make a total of 200 masks out of 25 yards of fabric.

To calculate the number of masks that can be made, we divide the total amount of fabric (25 yards) by the amount of fabric required per mask (1/8 yard). To do this, we first convert the fraction 1/8 to decimal form, which is 0.125. Then, we divide the total fabric (25 yards) by the fabric required per mask (0.125 yards). This can be done by dividing 25 by 0.125, which equals 200. Therefore, the group of volunteers can make a total of 200 masks out of 25 yards of fabric. Each mask requires 1/8 yard of fabric, so dividing the total fabric by the fabric required per mask gives us the total number of masks that can be made.

Calculation steps:
1. Convert the fraction 1/8 to decimal form: 1/8 = 0.125.
2. Divide the total fabric (25 yards) by the fabric required per mask (0.125 yards):
  25 / 0.125 = 200.


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The amount you could save per month would be 25% of your discretionary money.

Discretionary income is the money you have left over after paying taxes and necessary cost-of-living expenses.

The formula for discretionary money is: Discretionary money = Realized income - Fixed expenses. Inputting data, we have: Discretionary money = $3,543.22 - Fixed expenses

Amount to be saved = 25% of discretionary money

Amount to be saved = 0.25 * (Realized income - Fixed expenses)

Therefore, the amount savable is calculated as 0.25 times the difference between your realized income and fixed expenses.

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The center of the sphere is (1, 2, -4), and its radius is 6 units.

A sphere is a three-dimensional geometric shape that is perfectly symmetrical, resembling a ball or a round object. It is defined as the set of all points in three-dimensional space that are equidistant from a fixed center point.

A sphere is characterized by its center, which represents the point from which all points on the sphere are equidistant, and its radius, which is the distance from the center to any point on the sphere's surface.

To determine if the equation represents a sphere, we need to rewrite it in a standard form: (x - a)²  + (y - b)²  + (z - c)²  = r^2, where (a, b, c) represents the center of the sphere and r represents its radius.

Let's analyze the given equation: x²  y²  z²  - 2x - 4y + 8z = 15

We can complete the square for each variable to put it in the standard form:

x²  - 2x + y²  - 4y + z²  + 8z = 15

(x²  - 2x + 1) + (y²  - 4y + 4) + (z²  + 8z + 16) = 15 + 1 + 4 + 16

(x - 1)²  + (y - 2)²  + (z + 4)² = 36

Now we can see that the equation represents a sphere with center (1, 2, -4) and radius r = sqrt(36) = 6. Therefore, the center of the sphere is (1, 2, -4), and its radius is 6 units.

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To find the best predicted value of y given that the younger child has an IQ of 104, we can use the regression equation y = 10.51 + 0.89x, where x represents the IQ score of the younger child. Using this equation, we can substitute x = 104 to calculate the predicted value of y.

Based on the given regression equation, we have y = 10.51 + 0.89x. Substituting x = 104 into the equation, we get:

y = 10.51 + 0.89(104)

y ≈ 10.51 + 92.56

y ≈ 103.07

Therefore, the best predicted value of y, given that the younger child has an IQ of 104, is approximately 103.07. This indicates that the predicted IQ score for the older sibling would be around 103.07, based on the regression model.

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Using the place value technique, the product of 4457×2 is 8914.

We need to use the place value technique to find the product of 4457*2.

When multiplying two integers, the place value of each digit is examined, and each multiplication is performed. Individual multiplication results are later put together to provide the final result.

The number 4457 can be written as below :

4457 = 4*1000 + 4*100 + 5*10 + 7*1

We will multiply the digit and the place value one by one with the number.

7*2 = 14

50*2 = 100

400*2 = 800

4000*2 = 8000

Now add all the results together.

M = 8000 + 800 + 100 + 14

M = 8914

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Answer:

49

Step-by-step explanation:

b^c

Let b = 7 and c = 2

7^2

7*7 = 49

Answer:

49

Step-by-step explanation:

you fill in the equation so that it's 7^2. which is 7*7. this equals 49

The value of cos(8) is 0.992.

Given the equation, tan e = 35/2 and 8 is an angle in quadrant I. To find the value of cos(8), we can use the Pythagorean identity of sin²θ + cos²θ = 1.

1. Draw a right triangle in quadrant I with an angle of 8 and a hypotenuse of 150 (which is obtained by dividing the opposite and adjacent sides of the tan(e) equation by sin(e) to obtain the hypotenuse).

2. To find the adjacent side (which is equal to cos(8)), use the Pythagorean identity:

cos²8 + sin²8 = 1cos²8 + (35/150)² = 1cos²8 + 0.025 = 11.0091 - 0.025 = cos²8cos8 = ±√(0.9841)cos8 = ±0.992 (rounded to 3 decimal places)

But since angle 8 is in quadrant I, where cos is positive, the value of cos(8) is:

cos(8) = 0.992 (rounded to 3 decimal places)

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i dont know ethrreer

Step-by-step explanation:

Answer:

Step-by-step explanation:The distributive property dictates that:

a(b + c) = ab + ac

Thus,

(0.7 x 0.7) + (0.7 x 0.9) + (0.7 x 0.2)

= 0.7(0.7 + 0.9 + 0.2)

follows the distributive property. The third option is correct.

Answer:

the answer is 1

Step-by-step explanation:

the answer is 1

Answer:

15 !!!!

thanks for the points

Answer:

15 lol

Step-by-step explanation:

Answer: x is equal to 35

Step-by-step explanation:

right angle is equal to 90 degrees

20+35=55

35+55=90

The equation that represent the distance between Peach Court and x+4= 17.

Equations are mathematical statements containing two algebraic expressions on both sides of an 'equal to (=)' sign.

It shows the relationship of equality between the expression written on the left side with the expression written on the right side. In every equation in math, we have, L.H.S = R.H.S (left hand side = right hand side). Equations can be solved to find the value of an unknown variable representing an unknown quantity. If there is no 'equal to' symbol in the statement, it means it is not an equation.

Given:

Distance of city center from main street is 4 miles.

Distance of Peach court from main street is 17 miles.

Now, we have to know distance difference between Peach Court and Main Street

x= 17 -4

So, the equation to represent the distance is

x + 4 = 17

Hence, equation that represent the distance between Peach Court and x+4= 17.

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To orthogonally diagonalize a matrix A, we need to find a matrix P such that P^T * A * P is a diagonal matrix. Here's how you can find such a matrix P:

1. Find the eigenvalues of A.

2. For each eigenvalue, find its corresponding eigenvector.

3. Form a matrix P by arranging the eigenvectors as columns.

4. Verify that P^T * A * P is a diagonal matrix.

Let's go through the steps to find the matrix P for a given matrix A.

1. Find the eigenvalues of A:

  Let's assume A is the matrix provided.

  A = [[a, b],

       [c, d]]

  To find the eigenvalues, we solve the characteristic equation:

  |A - λI| = 0, where λ is the eigenvalue and I is the identity matrix.

  |A - λI| = |[[a, b],

                [c, d]] - [[λ, 0],

                            [0, λ]]|

           = |[[a - λ, b],

                [c, d - λ]]|

  Determinant of A - λI must be equal to 0:

  (a - λ)(d - λ) - bc = 0

  λ^2 - (a + d)λ + (ad - bc) = 0

  Solve this quadratic equation to find the eigenvalues λ1 and λ2.

2. Find the corresponding eigenvectors:

  For each eigenvalue, substitute it back into (A - λI) * v = 0 and solve for v. Normalize the eigenvectors if necessary.

3. Form matrix P:

  Arrange the eigenvectors as columns to form matrix P.

4. Verify diagonalization:

  Calculate P^T * A * P. If the result is a diagonal matrix, then P orthogonally diagonalizes A.

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Given that Angles A and B are complementary to each other, the numerical value of x is 15.

Complementary angles are angles that sum up to 90 degrees.

Given the data in the question;

Since Angles A and B are complementary to each other, the sum of angle A and B is 90 degrees.

Measure of angle A + Measure of angle B = 90°

Plug in the given values and solve for x.

41 + (2x + 19) = 90

41 + 2x + 19 = 90

2x + 60 = 90

2x = 90 - 60

2x = 30

x = 30/2

x = 15

Given that Angles A and B are complementary to each other, the numerical value of x is 15.

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Answer: A is the answer

Step-by-step explanation: i took the test and got it right

The equation in the slope-intercept form is:

y = (1/2)*x + 3

A general linear equation is:

y = a*x + b

Where a is the slope and b is the y-intercept.

To get the slope, we need two points on the line, by using the graph we can identify the points: (0, 3) and (2,4)

Then the slope is:

\(a = \frac{4 - 3}{2 - 0} = 1/2\)

And we also can see that the y-intercept is y = 3, because of the point (0,3)

Then the line is:

y = (1/2)*x + 3

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Answer:

Sub C is twice the mass of Sub B

Step-by-step explanation:got it right on a test (pls give brainliest)