suppose a 3 × 3 matrix a = a b c d e f g h i has determinant 4. what is the determinant of b = a 2b c g 2h i d 3a 2e 6b f 3c ?

The ratio of the related flanks is not identical. Then the triangles are not similar.

A triangle has three sides which are straight lines. The aggregation of the interior angle of the triangle is 180°.

If two triangles are equivalent, the ratio of the matching sides will not change.

The ratio is given as,

AE / EC = FA / FB

9 / 3 = 10 / 5

3 ≠ 2

The ratio of the related flanks is not identical. Then the triangles are not similar.

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The complete question is given below.

Answer:

x=1

Step-by-step explanation:

is the answer

Answer:

x = 1

Step-by-step explanation:

The slope of the tangent line to the polar curve r = 2 - sin(θ) at the point specified by θ = π/3 is -1/2.

To find the slope of the tangent line to the polar curve r = 2 - sin(θ) at the point specified by θ = π/3, we need to first find the derivative of r with respect to θ, and then evaluate it at θ = π/3.

Differentiating both sides of the polar equation with respect to θ, we get:

dr/dθ = d/dθ(2 - sinθ)

dr/dθ = -cosθ

So, the derivative of r with respect to θ is -cosθ.

Evaluating this derivative at θ = π/3, we get:

dr/dθ|θ=π/3 = -cos(π/3) = -1/2

Therefore, the slope of the tangent line to the polar curve r = 2 - sin(θ) at the point specified by θ = π/3 is -1/2.

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Some information that someone might use to solve problems related to a circle design is the Tangent Arc theorem.

The tangent arc theorem states that if an angle is formed by two secants, one secant, one tangent, or two tangents, and also intersects in a space outside of the circle, then the value obtained will be equal to the difference of the values of the intercepted arcs divided by one and a half.

Also, note that angles outside a circle are those whose vertex or arc is pointed outwards and their sides are either secants or tangents. With this information, it will be possible to solve problems related to tangent lines and arc measures.

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ISO 14000 is a set of international standards that focuses on environmental management systems, while ISO 9000 is a set of standards that focuses on quality management systems.

There are several reasons why many people believe that ISO 14000 will have a larger impact on organizations than ISO 9000:

Growing Environmental Concerns: In recent years, there has been an increasing global focus on environmental issues such as climate change, pollution, and resource depletion. As a result, organizations are under greater pressure to address these concerns and demonstrate their commitment to sustainable practices. ISO 14000 provides a framework for organizations to implement effective environmental management systems, which aligns with the rising importance of environmental sustainability.

Regulatory Compliance: Governments and regulatory bodies are imposing stricter environmental regulations and requirements on organizations. Compliance with these regulations is essential to avoid penalties and maintain a positive reputation. ISO 14000 certification helps organizations meet regulatory obligations by providing guidelines for identifying, managing, and reducing their environmental impacts. Therefore, ISO 14000 can have a significant impact on organizations' ability to comply with environmental regulations.

Stakeholder Expectations: Customers, investors, employees, and other stakeholders are increasingly demanding transparency and accountability regarding organizations' environmental practices. ISO 14000 certification serves as a credible and recognized proof of an organization's commitment to environmental responsibility. Meeting stakeholder expectations is crucial for maintaining brand reputation, attracting customers, and securing investments.

Competitive Advantage: Adopting ISO 14000 standards can provide organizations with a competitive edge in the market. Customers are becoming more conscious of environmental issues and are more likely to support businesses that demonstrate environmental responsibility. ISO 14000 certification can differentiate organizations from their competitors and enhance their market position by showcasing their commitment to sustainable practices.

ISO 14000 is believed to have a larger impact on organizations than ISO 9000 due to the increasing importance of environmental concerns, regulatory compliance requirements, stakeholder expectations, and the potential for gaining a competitive advantage. As organizations strive to align with sustainable practices and address environmental challenges, ISO 14000 provides a valuable framework to guide their efforts and demonstrate their commitment to environmental responsibility.

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(a) tangent line to the graph of f(x) = x^3 at the point (4,2).

(b) equation of the tangent line to the graph of f(x) = x^2 - x at the point (4,12).

(a) To find the equation of the tangent line to the graph of f(x) = x^3 at the point (4,2), we need to find the slope of the tangent line at that point. We can do this by taking the derivative of f(x) with respect to x and evaluating it at x = 4. The derivative of f(x) = x^3 is f'(x) = 3x^2. Evaluating f'(x) at x = 4 gives us the slope of the tangent line. Once we have the slope, we can use the point-slope form of a linear equation to write the equation of the tangent line.

(b) Similarly, to find the equation of the tangent line to the graph of f(x) = x^2 - x at the point (4,12), we differentiate f(x) to find the derivative f'(x). The derivative of f(x) = x^2 - x is f'(x) = 2x - 1. Evaluating f'(x) at x = 4 gives us the slope of the tangent line. Using the point-slope form, we can write the equation of the tangent line.

In both cases, the equations of the tangent lines will be in the form y = mx + b, where m is the slope and b is the y-intercept.

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Answer:

$54.01

Step-by-step explanation:

All you have to do is $300.00-$245.99 .

Answer:

It is 86/0.25. So she selled 172 cups of lemonade.

Step-by-step explanation:

Answer: B

Step-by-step explanation: desmos

Answer:

61.74 Dirham

Step-by-step explanation:

I will assume that she saved 24.5 Dirham every month. To find out how much Mariam saved in total, you will multiply the amount saved every month by the amount of months she saved her Dirham. The equation is this:

24.5 × 2.52 = 61.74

Hope this helps friend.

Answer: 12.5

You start with the equations "2x +2y=38" and "6+x=y". By adding and subtracting in the second equation, you get "2x +2y=38" and "x-y=-6". When you multiply the second equation by 2, you get "2x-2y=-12."

subtracting the equations "2x +2y=38" and "2x-2y=-12" gets you to "4y=50", where you have to divide two sides by 4 and get "y=12.5"

Answer:

+_6

Step-by-step explanation:

let the possible values be x.

x÷4=9÷x

from that you will get x^2=36

introduce a square root to both sides and the answer is +_6

Considering the figure angle EBF is calculated to 68.75 degrees

Examining the figure and noting the parallel lines

< CBF = < BFE (alternate angels postulates)

< CBF = 42.5

< BFE = 42.5

Triangle BFE is an isosceles triangle given that the two sides are equal the base angles are also equal

Therefore, applying sum of angels of a triangle = 180 we have

< BFE + < FEB + < EBF = 180 (sum of angles of a triangle)

< FEB = < EBF (base angles of isosceles triangle)

let < FEB = x

42.5 + x + x = 180

42.5 + 2x = 180

2x = 180 - 42.5

2x = 137.5

x = 68.75

angle < EBF is solved to be 68.75

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Answer:

p = 12

Step-by-step explanation:

13 + p = 25 ( subtract 13 from both sides )

p = 12

Answer:

the value of P is 12

Step-by-step explanation:

if 13+P=25 then P must be 12

subtract 13 from both sides

you're left with P=12

The expression is simplified to n - 16/ 4

Algebraic expressions are expressions comprising of terms, variables, factors, constants and coefficients.

They are also made up of mathematical operations such as addition, subtraction, multiplication, division, bracket, etc.

Given the expression;

− 3/2(1/2 n+2n−3)+4n

Solve the variables in the bracket, we have;

- 3/ 2 {   n + 4n - 6 / 2} + 4n

-3/2 { 5n - 6/ 2 } + 4n

expand the bracket

- 15n - 18/ 4 + 4n

Fin the LCM

-15n - 16 + 16n  /4

n - 16/ 4

Thus, the expression is simplified to n - 16/ 4

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Answer:

324

Step-by-step explanation:

square has 4 sides.

perimeter adds all sides to make 72

72/4=18 units each side

length * width =area of square

square has all sides equal, so 3y and 2x are tricks to confuse. All sides are 18.

18*18= 324

Answer:

Total net earnings = 80+15(x-8)

If Daisy works 13 hours, she will be paid $155.

Step-by-step explanation:

Let Daisy works for x hours a day

She is paid $10 per hour for the first 8 hours she works in a day.

So, pay for the first 8 hours =10\times8=80 dollars

For every extra hour she works, she is paid 1.5 times her hourly wage.

The number of hours worked over 8 hours is given by = x-8

So, pay for the hours worked over 8 hours = 15(x-8) dollars

Total net earnings = 80+15(x-8)

And when x = 13

The pay is : 80+15(13-8)

= 80+15(5)

= 80+75 = 155 dollars

Answer:

1) y = 15(x-8) + 80

2) $155

Step-by-step explanation:

First blank:

use the linear expression form: y = mx + b

If Daisy is working more than 8 hours, (since the problem says x > 8), then she is getting $10 per hour guaranteed, which is $80 overall. So 80 will be our constant term, b

for every hour after 8, she is being paid 1.5 x 10, which is $15. This is our slope term, m.

So our expression is: y = 15(x-8) + 80

The reason we use x-8 instead of just x, is because x is the number of hours she works, but she will only be paid 15 bucks/hour when she works after 8 hours. So we need to subtract 8 from x to get the number of hours she works after the minimum 8.

Second Blank:

If Daisy works 13 hours, just replace x with 13 in our formula:

y = 15(x-8) + 80

y = 15(13-8) + 80

y = 15(5) + 80

y = 75 + 80

y = $155

If she works for 13 hours, she gets paid $85

Hare Krishna! :)

The expression "five to the three-fourths power raised to the two-thirds power" can be rewritten as a radical expression.

First, let's calculate the exponentiation inside the parentheses:

(5^(3/4))^2/3

To simplify this, we can use the property of exponentiation that states raising a power to another power involves multiplying the exponents:

5^((3/4) * (2/3))

When multiplying fractions, we multiply the numerators and denominators separately:

5^((3 * 2)/(4 * 3))

Simplifying further:

5^(6/12)

The numerator and denominator of the exponent can be divided by 6, which results in:

5^(1/2)

Now, let's express this in radical form. Since the exponent 1/2 represents the square root, we can write it as:

√5

Therefore, the expression "five to the three-fourths power raised to the two-thirds power" simplifies to the radical expression √5.

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In a nonexperimental method, relationships between variables are studied by making observations or measures of the variables of interest.

Research without either the manipulation of an independent variable, the random assignment of individuals to conditions or orders of conditions, or both, is referred to as non-experimental research.

The non-experimental study is entirely dependent on variables that the researcher has no control over. By whatever means, they cannot manipulate, control, or change the subjects. Thus, all they can do is continue their research while monitoring and interpreting their subjects.

It is safe to assume that a non-experimental research design is used when there is no specific cause-effect study problem and the researcher simply wants to grasp a topic in depth without constraining it with variables. They examine the natural phenomena as they take place.

Therefore, in a nonexperimental method, relationships between variables are studied by observing or measuring the variables of interest.

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The lower confidence bound for the proportion of households owning at least one firearm is approximately 0.219 (or 21.9%) at a 95% confidence level.

To calculate the lower confidence bound for the proportion of households in the city that own at least one firearm, we can use the formula for a confidence interval for a proportion.

Given that the sample size is 539 and the number of households owning at least one firearm is 133, we can calculate the sample proportion (p-hat) as the number of successes (133) divided by the sample size (539), which is approximately 0.2465.

To calculate the lower confidence bound, we need to determine the critical value associated with the desired confidence level. Since we are using a 95% confidence level, we can use the standard normal distribution and find the critical value corresponding to a one-sided confidence interval.

The critical value for a 95% confidence level is approximately 1.645.

Next, we calculate the standard error of the proportion, which is the square root of (p-hat * (1 - p-hat)) divided by the sample size. Using the calculated p-hat value, the standard error is approximately 0.0165.

Finally, we can calculate the lower confidence bound by subtracting the product of the critical value and the standard error from the sample proportion:

Lower Confidence Bound = p-hat - (critical value * standard error)

Lower Confidence Bound = 0.2465 - (1.645 * 0.0165)

Lower Confidence Bound ≈ 0.219

Therefore, using a 95% confidence level, the lower confidence bound for the proportion of households in the city that own at least one firearm is approximately 0.219, indicating that at least 21.9% of households in the city own at least one firearm.

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To find the missing term in the equation ___ + (7 - 3ii) + (5 + 9) + 13i = 10 - 5i, we need to simplify the equation and determine the value of the missing term.

Let's simplify the equation by combining like terms:

On the left side, we have:

(7 - 3ii) + (5 + 9) + 13i

Combining like terms within the parentheses, we get:

7 - 3ii + 14 + 13i

Now, let's combine the real parts (constants) and the imaginary parts (terms with "i") separately:

Real parts: 7 + 14 = 21

Imaginary parts: -3ii + 13i

To combine the imaginary parts, we need to remember that "i" is the imaginary unit, and "i^2" is equal to -1. So, we can rewrite -3ii as -3i * i^2.

Using the property "i^2 = -1," we can simplify -3i * i^2 as -3i * (-1), which gives us 3i.

Now, let's put the real and imaginary parts together:

Real part: 21

Imaginary part: 3i

Therefore, the missing term in the equation ___ + (7 - 3ii) + (5 + 9) + 13i = 10 - 5i is 21 + 3i.

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The total number of periods (n) is approximately 140. An annuity is an investment that pays a fixed payment at regular intervals. The present value of an annuity formula is used to calculate the value of a series of future periodic payments at a given time.

The formula for the present value of an ordinary annuity of the amortization formula is:

PV = PMT * [(1 - (1 + i)^-n) / i]

Where,

PV is the present value of the annuity, i is the interest rate (per period),n is the total number of periods, and PMT is the payment per period. In the given problem,

PV = $9,000i

= 0.025PMT

= $500n

=?

Substitute these values in the formula and solve for n:

9000 = 500 * [(1 - (1 + 0.025)^-n) / 0.025]

Simplify and solve for (1 - (1 + 0.025)^-n):(1 - (1 + 0.025)^-n) = 9000 / (500 * 0.025)(1 - (1.025)^-n)

= 72n

= - log (1 - 72 / 41) / log (1.025)n

≈ 139.7

Therefore, the total number of periods (n) is approximately 140 (rounded to the nearest whole number). An annuity is an investment that pays a fixed payment at regular intervals. The present value of an annuity formula is used to calculate the value of a series of future periodic payments at a given time. A common example of an annuity is a lottery that pays out a fixed amount each year.

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Answer: 30m

Step-by-step explanation:

The solution to the system of linear equations is x = 1, y = -3, and z = 8, which is option B: X=-1, y=-3, z=2.

To solve this system of linear equations, we can use Gaussian elimination, which involves adding and subtracting equations to eliminate variables. Here are the steps:

x - 3y - 2z = 6

2x - 4y - 3z = 8

-3x + 6y + 8z = -5

Step 1: Add twice the first equation to the second equation to eliminate x:

x - 3y - 2z = 6

4y + z = 20

-3x + 6y + 8z = -5

Step 2: Add three times the first equation to the third equation to eliminate x:

x - 3y - 2z = 6

4y + z = 20

9y + 2z = 13

Step 3: Solve for z in the second equation:

4y + z = 20

z = 20 - 4y

Step 4: Substitute z into the third equation and solve for y:

9y + 2z = 13

9y + 2(20 - 4y) = 13

y = -3

Step 5: Substitute y into the second equation and solve for z:

4y + z = 20

4(-3) + z = 20

z = 8

Step 6: Substitute y and z into the first equation and solve for x:

x - 3y - 2z = 6

x - 3(-3) - 2(8) = 6

x = 1

Therefore, the solution to the system of linear equations is x = 1, y = -3, and z = 8, which is option B: X=-1, y=-3, z=2.

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The text format of the question in the picture:

15. The solution the system of linear equation of

x-3y-2z = 6

2x-4y-3z = 8

(-3x+6y+8z = -5 is

A) X=-1,y=-3, z=-2 B) X=-1,y=-3, z=2 C) X=1,y=-3, z=2 D) X = 1, y = 3, z=-2

Step-by-step explanation:

please i work on by paper worksheet, see it

how can i work it

Franco can read approximately 1.875 chapters of his history book in 1 hour, assuming his reading rate remains constant.

Franco read 3/8 of a chapter in 1/5 of an hour. To find out how many chapters he can read in 1 hour, we need to first determine his rate of reading.

To do this, we can set up a proportion:

3/8 of a chapter = x chapters
1/5 of an hour = 1 hour

Cross-multiplying, we get:

3/8 * 1 hour = x * 1/5

Simplifying:

3/8 = x/5

Cross-multiplying again:

15/8 = x

So Franco can read 15/8 or 1 7/8 chapters in 1 hour.

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Answer:

The value of x° = 23°

Step-by-step explanation:

Given the angles of the right-angled triangle

We know that the sum of angles of a triangle is 360°.

so,

90° + 67° + x° = 180°

157° + x° = 180°

Subtracting 157° in both sides

157° + x° - 157° = 180° - 157°

x° = 23°

Therefore, the value of x° = 23°

Answer:

5.6

Step-by-step explanation:

y = 53- 47.4=?

Triangle B C D is shown. Angle BDC is 67 degrees and Angle CDB is 60 degrees. What is m∠ABC is

d. m∠ABC = 127°

Any three points in Euclidean geometry that are not collinear result in a singular triangle and singular plane (i.e. a two-dimensional Euclidean space). In other words, every triangle is contained in a plane, and there is only one plane that contains that triangle.In the Euclidean plane, all triangles are contained within a single plane; however, in higher-dimensional Euclidean spaces, this is no longer the case.We can use the exterior angle theorem to solve this problem.

The sum of the two opposite inner angles determines the triangle's outer angle.

Therefore, m∠ABC = mBDC + mCDB

m∠ABC = 67° + 60°

m∠ABC = 127°

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