someone pleeeeease help me

Answer:

Option B

Step-by-step explanation:

The number line divided in 10 parts in between 0 and 1

The 0.45 is represented by point B

Answer:

It's B miss.

Step-by-step explanation:

#9. C

A negative sign on the outside of the function indicates a reflection in the y-axis.

A negative sign on the inside of the function (attached to the x) indicates a reflection in the x-axis.

Hope this helps!

1, a.) The two specific conjectures are in the first image.

1, b.) The two general conjectures are in the second image.

2, a.) Two specific conjectures for this pattern are:

2, b.) From our observation two general conjecture is that the given sequence is an arithmetic sequence and the common difference is 3.

For finding its nth term we can use the formula: a(n) = a + (n-1) x d.

2, c.) A formula for the given pattern is 5 + (n-1)3, where n is the number of the term.

Answer: 5F is the bigger one, because a whole number is bigger than the decimal

Answer: 5F is the answer.

Step-by-step explanation:

Drew pls mark me brainiest!!!

The phase angle between the current and voltage in a pure resistive circuit is 0 radians.

How to determine the answer:In a pure resistive circuit, the phase angle between current and voltage is \(0\) radians.

This is because a pure resistive circuit has a voltage and a current in the same phase, which implies that the two are in phase.

To understand this, let's look at the two main parts of the question: a pure resistive circuit and the phase angle between current and voltage.

A pure resistive circuit is a circuit in which the only element is a resistor.

This means that the circuit does not contain any inductors or capacitors and, as a result, does not have any phase shift in the current or voltage.

The phase angle between current and voltage is the angle between the current and voltage waveforms in a circuit.

The angle is measured in radians and is positive for capacitive circuits and negative for inductive circuits.

In conclusion, the phase angle between current and voltage in a pure resistive circuit is \(0\) radians.

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The highest point on a bell-shaped curve represents the peak or maximum value of the distribution. This point is known as the mode of the distribution.

In a bell-shaped curve, also known as a normal distribution or Gaussian distribution, the data is symmetrically distributed around the mean. The curve is characterized by a central peak, and the highest point on this peak corresponds to the mode.

The mode represents the most frequently occurring value or the value that has the highest frequency in the dataset. It is the point of highest density in the distribution.

The bell-shaped curve is often used to model naturally occurring phenomena and is widely applied in statistics and probability theory. The mode provides information about the most common or typical value in the dataset and is useful for understanding the central tendency of the distribution.

While the mean and median also have significance in a normal distribution, the highest point on the bell-shaped curve specifically represents the mode, indicating the value with the highest occurrence in the dataset.

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Answer:

(-4,2)

Step-by-step explanation:

xi+xii/2 yi+yii/2

-7+-1/2=-4

5+-1/2=2

=(-4,2)

Answer:

The function represents the height of the water in the bucket

Step-by-step explanation:

Given

\(f(t) = -t^2 + 4t\)

Required

State what the function represents

From the question, we understand that t represents the time spent while the function illustrates the water level in the bucket.

This implies that f(t) calculates the height of the water in the bucket, given the value of time (t)

Answer:

the answer is -60........

Answer:

-60! 1560 divided by 26 is 60, but any negative divided by a positive is a negative, so the product will be negative as well.

Step-by-step explanation:

Hope it helps! =D

Answer:

1)  -15·a·(5·b² + c)

2) h < 4

3) 4·x² - 9

4) 1792

5)  156°

6) 2t cm

7) 2·a·m·(2·m - 3)

8)  10 cm

9) 0.00051

10)  #47,250

11)  -10·p·q

12) 1.35 × 10⁻⁴

13) 320°

14) 20 cm

15) 12·x²·y²

16) 6.36 × 10⁵

17) 4 cm

18)  225°

19) 1034 cm²

20) 29

Step-by-step explanation:

1) The given expression is -75·a·b - 15·a·c

Which can be expressed as -15·a·(5·b² + c)

2) The height, h < 2 × 12/6 = 4

h < 4

3) (2·x - 3)·(2·x + 3) = 4·x² - 9

4) The selling price = 1.12 × 200 × 8 = 1792

5) The interior angle of a polygon is given by the relation;

(n - 2)×180/n for 15, we get;

(15 - 2)×180/15 = 156°

6) 2t cm

7) 4·a·m² - 6·a·m = 2·a·m·(2·m - 3)

8) Slant height = √(8² + 6²) = 10 cm

9) 51 × 10⁻⁵ = 0.00051

10) Cash price = #54,000 × (1 - 0.125) = #47,250

11) -40·p·q÷(-2)² = -10·p·q

12) 0.003 × 0.045 = 1.35 × 10⁻⁴

13) N40°W = 320°

14) The base diameter of the cylinder = √(4 × (700×π cm³/7)/π) = 20 cm

15) The LCM of 2·x²·y, 3·x·y² is 12·x²·y²

16) 636,000 = 6.36 × 10⁵

17) 1/3·π·r²·h₁ = π·r²·h₂

h₂/h₁ = 1/3·π·r²/( π·r²) = 1/3

h₂/12 =  1/3

h₂ = 12/3 = 4 cm, the height of the cylinder = 4 cm

18) The angle = 180 + 45 = 225°

19) The total surface area = 22/7×14²/4 +  22/7 ×14 × 20 = 1034 cm²

20) The number is 58/2 = 29.

Answer:

9) 51 × 10⁻⁵ = 0.00051

10) Cash price = #54,000 × (1 - 0.125) = #47,250

11) -40·p·q÷(-2)² = -10·p·q

12) 0.003 × 0.045 = 1.35 × 10⁻⁴

13) N40°W = 320°

14) The base diameter of the cylinder = √(4 × (700×π cm³/7)/π) = 20 cm

15) The LCM of 2·x²·y, 3·x·y² is 12·x²·y²

16) 636,000 = 6.36 × 10⁵

17) 1/3·π·r²·h₁ = π·r²·h₂

h₂/h₁ = 1/3·π·r²/( π·r²) = 1/3

h₂/12 =  1/3

h₂ = 12/3 = 4 cm, the height of the cylinder = 4 cm

18) The angle = 180 + 45 = 225°

19) The total surface area = 22/7×14²/4 +  22/7 ×14 × 20 = 1034 cm²

20) The number is 58/2 = 29.

Step-by-step explanation:

The singular value decomposition is a factorization of a matrix into three separate matrices. It has many applications in various fields, including data compression, image processing, and machine learning.

To find the singular value decomposition (SVD) of the given matrix, let's go through the steps:

1. Begin with the given matrix:
  1 1
  -1 1
  -1 1

2. Calculate the transpose of the matrix by interchanging rows with columns:
  1 -1 -1
  1 1 1

3. Multiply the matrix by its transpose:
  1 -1 -1    1
  1 1 1      1
  -1 1 1     -1

4. Calculate the eigenvalues and eigenvectors of the resulting matrix. This step involves finding the values λ that satisfy the equation A * v = λ * v, where A is the matrix.

5. Normalize the eigenvectors obtained in step 4 to obtain orthonormal eigenvectors.

6. The singular values are the square roots of the eigenvalues.

7. Create the matrix U by taking the orthonormal eigenvectors obtained in step 5 as columns.

8. Create the matrix Σ by arranging the singular values obtained in step 6 in a diagonal matrix.

9. Create the matrix V by taking the normalized eigenvectors obtained in step 5 as columns.

10. Finally, write the answer in the form of SVD: A = U * Σ * \(V^T\), where U, Σ, and \(V^T\) represent the matrices from steps 7, 8, and 9 respectively.

To find the singular value decomposition (SVD) of a matrix, we need to perform several steps. These include finding the eigenvalues and eigenvectors of the matrix, normalizing the eigenvectors, calculating the singular values, and creating the matrices U, Σ, and V. The SVD provides a way to factorize a matrix into three separate matrices and has many practical applications.

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Step-by-step explanation:

350 decreasing at 3% per year

the function is

y = mx + c

m is the gradiant (change)

c is the y-intercept (when x = 0)

first m

it is decreasing by 3 %

3% as a decimal = 0.03

m = -0.03

c is

at the start

we start with 350

c = 350

put back into the equation

y = ?x + ?

put answer in comments i will mark

please mark brainest

a) The probability of extinction occurring in the first generation is (0.5).

b) The probability of extinction occurring in the second generation is 0.25

c) The probability of extinction occurring in the third generation is 0.125

d) The probability of extinction occurring in the fourth generation is 0.0625

e) The probability of extinction occurring in the fifth generation is 0.03125

In a branching process, each individual can either have zero offspring or one offspring with a probability of 0.5. The probability of extinction occurring at each generation is the probability that all individuals have zero offspring, which is equal to \((0.5)^n\), where n is the generation number.

Therefore, the probability of extinction occurring by a certain generation can be calculated by raising 0.5 to the power of the generation number.

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The assumption that is not typically associated with linear programming models is A) normality.

Linear programming models do not assume normality of the variables or the distribution of the data. Linear programming deals with optimizing linear objective functions subject to linear constraints, without any specific assumptions about the underlying distribution of the data. The focus is on finding the optimal solution within the feasible region defined by the constraints.

The other assumptions mentioned in the options are commonly associated with linear programming models:

B) Certainty: Linear programming assumes that all the data and parameters are known with certainty.

C) Divisibility: Linear programming assumes that variables can take fractional or continuous values. This assumption allows for finding optimal solutions that may involve non-integer values for the decision variables.

D) Linearity: Linear programming models assume that the objective function and the constraints are linear in nature. This means that the variables appear in a linear form, without any multiplication or exponentiation.

E) Nonnegativity: Linear programming assumes that the decision variables cannot take negative values, and they are nonnegative or zero.

These assumptions collectively form the foundation for linear programming models and help in formulating and solving optimization problems efficiently.

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Answer:

Set your calculator to degree mode.

x = tan^-1 (6/8) = 36.87°

well, the volume of that triangular prism will just be the area of the triangle times the length.

now, what's the area of that triangular face?  well, let's say it has a base of "b" and a height of 3, whilst the prism has a length of 6, Check the picture below.

\(\stackrel{\textit{triangle's area}}{\cfrac{1}{2}(b)(3)}\stackrel{\textit{prism's length}}{(6)}~~ = ~~4\frac{1}{2}\implies 9b=\cfrac{9}{2}\implies b=\cfrac{9}{18}\implies b=\cfrac{1}{2}\)

Answer:

$105

Step-by-step explanation:

In a situation like this you have to look at 140 as 100, if you have 4 quarters that is 1 dollar in change, take away one quarter and you have 75(%), which in this case is what Samantha has to pay. So to solve this you find 140 divided by 4 (35) then multiply that by 3 (105) and there is your answer!

Answer:

=3x-3=7, x=10/3

Step-by-step explanation:

Answer:sorry

Step-by-step explanation:

I really need points

The statement true about the rectangle and scale factor is

A scale factor of 2.5 was applied to create the enlargement

Given data ,

A rectangle with a long side of 3 and an arrow points to a larger rectangle with a long side of 7.5

Now , the long side of the original rectangle is 3 units, and the long side of the enlarged rectangle is 7.5 units.

And , the ratio of the long sides is 7.5/3 = 2.5, which indicates that the rectangle was enlarged by a factor of 2.5.

Hence , the scale factor of dilation is d = 2.5

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If Benny was also able to determine that the bar contained 65% tin. The number of grams of tin that are in the metal bar is: 13grams.

Given data:

Large metal bar = 20 grams

Number of bar = 65% tin

Let x represent the grams of tin

Hence,

Equation: 0.65x =20

x = 20×0.65

x = 13 grams

Therefore the grams of tin is  13 grams.

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Answer:

Acceleration: 2.2 m/s^2

Step-by-step explanation:

F=M/A

7.92/ 3.6

2.2.

Using the formula to solve for acceleration you divide force by mass.

Acceleration = 7.92 / 3.6 = 2.2

===========================================================

Explanation:

There are 7 unique letters in the word HEXAGON.

For the first slot, we have 7 choices. Then the next slot has 6 choices. Then the third slot has 5 choices. We count down by one each time we need to fill another slot.

Multiply out the values mentioned: 7*6*5 = 42*5 = 210

----------------

Alternatively, you can use the nPr permutation formula with n = 7 and r = 3.

\(_n P _r = \frac{n!}{(n-r)!}\\\\_7 P _3 = \frac{7!}{(7-3)!}\\\\_7 P _3 = \frac{7!}{4!}\\\\_7 P _3 = \frac{7*6*5*4*3*2*1}{4*3*2*1}\\\\_7 P _3 = 7*6*5\\\\_7 P _3 = \boldsymbol{210}\\\\\)

We have the "7*6*5" show up again after the "4*3*2*1" portions cancel.

The sampling method was used in the scenario is stratified random sampling

The sampling method used in this scenario is called stratified random sampling. This method involves dividing the population into subgroups, or strata, based on some characteristic, and then selecting a random sample from each stratum. In this case, the four classes - freshman, sophomore, junior, and senior - were the strata, and 150 students were randomly selected from each stratum.

Stratified random sampling is often used when there are important differences between subgroups within the population, and when the researcher wants to ensure that each subgroup is represented in the sample.

This method can increase the precision of the estimates and reduce the sampling error, as compared to simple random sampling, which involves randomly selecting individuals from the entire population without any stratification.

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Answer:

4096

GP = {8 , 16 , 32 , 64 , 128 , 256 , 512 , 1024 , 2048 , 4096...} Therefore , the 10th term of the sequence is 4096.

I hope it help you

The required 10th term of the geometric sequence 8, -16, 32 is -4,096.

Geometric progression is a sequence of series whose ratio with adjacent values remains the same.

To find the 10th term of the geometric sequence 8, -16, 32, we first need to determine the common ratio (r) between consecutive terms.

r = (second term) / (first term) = (-16) / 8 = -2

So the common ratio is -2.

The nth term of a geometric sequence is given by the formula:

\(a_n = a_1 * r^{(n-1)}\)

where \(a_n\) is the nth term, \(a_1\) is the first term, r is the common ratio, and n is the term number.

To find the 10th term, we plug in a1 = 8, r = -2, and n = 10:

\(a_{10} = 8 * (-2)^{(10-1)}a10 = 8 * (-2)^9a_{10} = 8 * (-512)a_{10} = -4,096\)

Therefore, the 10th term of the geometric sequence 8, -16, 32 is -4,096.

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Answer:

The ratio of the volume of the triangular prism to the volume of the cuboid is \(\frac{3}{20}\).

Step-by-step explanation:

Geometrically speaking, the volume of the prism is equal to the product of the area of the base and its height. Then, the volumes of the triangular prism and the cuboid are, respectively:

Triangular prism

\(V_{tp} = \frac{1}{2}\times 5\,cm \times 4\,cm \times 9\,cm\)

\(V_{tp} = 90\,cm^{3}\)

Cuboid

\(V_{c} = 6\,cm\times 5\,cm \times 20\,cm\)

\(V_{c} = 600\,cm^{3}\)

Lastly, the ratio of the volume of the triangular prism to the volume of the cuboid is:

\(r = \frac{V_{tp}}{V_{c}}\)

\(r = \frac{3}{20}\)

The ratio of the volume of the triangular prism to the volume of the cuboid is \(\frac{3}{20}\).

Answer:

\(f(3) = {3}^{2} + 5(3) - 9 \\ f(3) = 9 + 15 - 9 \\ f(3) = 15\)

Answer:

1. D. 15

2. A. 3

3. A. c= 6g+5

4. A. All real numbers

5. D

The conditional expectation of Y given X = x is x/2 + 1.

Here, we have

Given: If the joint density of the random variables X and Y is f(x,y) = 0 [emin(x,y) - 1] e-(x+y) if 0 < x, y < [infinity].

A variable having an unknown value or a function that assigns values to each of an experiment's results is referred to as a random variable. A variable having an unknown value or a function that assigns values to each of an experiment's results is referred to as a random variable. A random variable may be continuous or discrete, with defined values or any value falling within a continuous range.

The conditional expectation of Y given X = x is x/2 + 1.

Hence, the statement "x/2 + 1" is the answer to the question.

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The distance between the two points. (-1, 6). (2.8) is 3.61 units

The points are given as: (-1,6) and (2,8)

The distance is calculated using:

\(d = \sqrt{(x_2 -x_1)^2 + (y_2 -y_1)^2}\)

This gives

\(d = \sqrt{(-1 -2)^2 + (6 -8)^2}\)

Evaluate the sum of squares

\(d = \sqrt{13}\)

Evaluate the exponent

d = 3.61

Hence, the distance between the two points. (-1, 6). (2.8) is 3.61 units

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