The equation 4x+5y=35 represents the total cost, in dollars, of a customer’s purchase at a home improvement store, where x is the price of an extension cord, and y is the price of a lightbulb. Which represents the equation when solved for the price of a lightbulb, y?

The area of the wall that takes 24 minutes to paint is 8 square meters. We are given that the time it takes to paint a wall is directly proportional to the area of the wall, with the equation of proportionality being n = 3a.

Here, n represents the time taken to paint the wall in minutes, and a represents the area of the wall in square meters.

To work out the area of a wall that takes 24 minutes to paint, we need to rearrange the equation to solve for a:

n = 3a

a = n/3

Substituting n = 24 into the equation, we get:

a = 24/3 = 8

Therefore, the area of the wall that takes 24 minutes to paint is 8 square meters.

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Complete Question:

The number of minutes, n, that it takes to paint a wall is directly proportional to the area, a, of the wall in m2. The equation of proportionality is n=3a Work out the area of a wall that takes 24 minutes to paint.

The value of x is 10.

Midsegment of a triangle is defined as the line segment joining the midpoints of two sides of a triangle.

Every triangle will have three mid segments.

Given a triangle ABC.

Given the length of the midsegment DE = 5.

By the "Triangle Mid Segment Theorem", any midsegment of a triangle connecting two sides is parallel to the third side and the length is half of the length of the third side.

DE is the mid segment.

AB is the parallel side to DE.

DE = AB / 2

5 = x / 2

x = 10

Hence the length of the third side is 10.

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The length of longer piece of metal rod on division into two pieces is 7.18 meters.

Let the measurement of first piece be x meters. So, the measurement of second piece will be -

Three times = 3x

0.16 meters longer = 3x + 0.16

Total measurement of second piece = 3x + 0.16 meters.

Now, total measurement = measurement of first piece + measurement of second piece

Total measurement = x + 3x + 0.16

9.52 = 4x + 0.16

4x = 9.52 - 0.16

4x = 9.36

x = 9.36/4

x = 2.34 meters

Length of longer piece = 3(2.34) + 0.16

Length of longer piece = 7.18 meters

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By the principle of mathematical induction, the statement is true for all positive integers n.

To prove that n^p−n is always divisible by p, we can use the principle of mathematical induction.

When n = 1, we have 1^p - 1 = 0, which is divisible by p.

Assume that the statement is true for n = k, i.e., k^p - k is divisible by p. Now, we need to prove that the statement is also true for n = k+1, i.e., (k+1)^p - (k+1) is divisible by p.

Expanding (k+1)^p using the binomial theorem, we get:

(k+1)^p = k^p + pk^(p-1) + ... + p(k^2) + p(k) + 1

Subtracting (k+1) from both sides gives:

(k+1)^p - (k+1) = k^p - k + pk^(p-1) + ... + p(k^2) + p(k)

Since k^p - k is divisible by p by the induction hypothesis, and all the other terms on the right-hand side are multiples of p, we can conclude that (k+1)^p - (k+1) is also divisible by p.

Therefore, by the principle of mathematical induction, the statement is true for all positive integers n.

We have proved that n^p−n is always divisible by p for any prime p using induction on n.

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The coordinates of the fourth vertex of the square are (a, a).



A square is a type of rectangle with all sides equal. The vertices of a square are the points where the sides meet. Since the square is on the coordinate plane, the coordinates of the vertices can be represented as (x, y) where x and y are the x and y coordinates, respectively.

Given the three vertices of the square J(0, 0), K(a, 0), and L(0, a), we can use the properties of a square to find the coordinates of the fourth vertex.

Since J(0, 0) and K(a, 0) have the same y-coordinate, they are on the same horizontal line. Similarly, J(0, 0) and L(0, a) have the same x-coordinate, so they are on the same vertical line.

The fourth vertex must be on the same horizontal line as L(0, a) and on the same vertical line as K(a, 0). This means that the x-coordinate of the fourth vertex is the same as the x-coordinate of K(a, 0), which is a, and the y-coordinate is the same as the y-coordinate of L(0, a), which is a.

Therefore, the coordinates of the fourth vertex are (a, a).

The correct answer is D. (a, a).

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The  two possible solutions to A XYZ, Y = 60.5°, x = 15.2 cm, y = 14 cm are:

X ≈ 85.86°, Y = 60.5°, Z ≈ 59.64°, x = 15.2 cm, y = 14 cm, z ≈ 9.05 cm

X ≈ 94.14°, Y = 60.5°, Z ≈ 59.64°, x = 15.2 cm, y = 14 cm, z ≈ 29.53 cm

To solve triangle XYZ,

We can use the Law of Sines and Law of Cosines:

First, we can use the Law of Sines to find angle Z:

sin(Z)/14 = sin(60.5)/15.2

sin(Z) = (14/15.2)*sin(60.5)

Z ≈ 59.64°

Now we can use the Law of Cosines to find the length of side z:

z² = 14² + 15.2² - 2(14)(15.2)cos(59.64)

z ≈ 9.05 cm or z ≈ 29.53 cm

For the first solution, z = 9.05 cm:

Now we can use the Law of Sines again to find angle X:

sin(X)/15.2 = sin(59.64)/9.05

sin(X) = (15.2/9.05)*sin(59.64)

X ≈ 85.86°

For the second solution, we use the supplementary angle to angle X:

X = 180 - 85.86 = 94.14°

Now we can use the Law of Sines again to find the length of the second solution for side z:

sin(Z)/14 = sin(60.5)/15.2

sin(Z) = (14/15.2)*sin(60.5)

Z ≈ 59.64°

z² = 14² + 15.2² - 2(14)(15.2)cos(59.64)

z ≈ 29.53 cm

Therefore, the two possible solutions for triangle XYZ are:

X ≈ 85.86°, Y = 60.5°, Z ≈ 59.64°, x = 15.2 cm, y = 14 cm, z ≈ 9.05 cm

X ≈ 94.14°, Y = 60.5°, Z ≈ 59.64°, x = 15.2 cm, y = 14 cm, z ≈ 29.53 cm

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Answer:

1, 4

Step-by-step explanation:

to find the next term in an arithmetic sequence add the common difference d to the previous term.

d = a₂ - a₁ = - 5 - (- 8) = - 5 + 8 = 3

then

a₄ = a₃ + d = - 2 + 3 = 1

a₅ = a₄ + d = 1 + 3 = 4

the next two terms are 1, 4

We can conclude that the number of defective products

To test the hypothesis that the number of defective products follows the binomial distribution, we need to calculate the expected frequency for each category and compare it with the observed frequency using the chi-square test.

First, let's calculate the expected frequency for each category:

E(0) = 200 * (0.95)^20 = 7.64

E(1) = 200 * 20 * (0.95)^19 * (0.05)^1 = 32.15

E(2) = 200 * 190 * (0.95)^18 * (0.05)^2 = 67.53

E(3) = 200 * 1140 * (0.95)^17 * (0.05)^3 = 90.71

E(4) = 200 * 4845 * (0.95)^16 * (0.05)^4 = 85.64

E(5) = 200 * 15504 * (0.95)^15 * (0.05)^5 = 61.29

E(6) = 200 * 38760 * (0.95)^14 * (0.05)^6 = 34.71

Next, we calculate the chi-square test statistic:

X^2 = (28-7.64)^2/7.64 + (44-32.15)^2/32.15 + (37-67.53)^2/67.53 + (48-90.71)^2/90.71 + (30-85.64)^2/85.64 + (9-61.29)^2/61.29 + (4-34.71)^2/34.71 = 84.31

Since we have 7 categories, the degrees of freedom for the chi-square distribution is 7-1=6. The critical value for alpha=1% and df=6 is 16.81. Since the test statistic is greater than the critical value, we reject the null hypothesis that the number of defective products follows the binomial distribution.

Therefore, we can conclude that the number of defective products does not follow the hypothesized distribution at alpha=1%.

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F. 14 [tex]cm^2[/tex] is the measurement that most closely resembles the

the parallelogram's area in square centimeters.

A parallelogram is a geometric object with sides that are parallel to one another in two dimensions. It is a form of a polygon with four sides (sometimes known as a quadrilateral) in which each parallel pair of sides have the same length. A parallelogram has adjacent angles that add up to 180 degrees. You must have studied a variety of 2D shapes and sizes in geometry, including circles, squares, rectangles, rhombuses, etc. Each of these forms has a unique set of characteristics.

from the question:

We must multiply the parallelogram's base and height in order to determine its area. We can observe from the photograph that the parallelogram's height is around 3 cm, and its base is about 5 cm. Hence, the parallelogram's area is:

Area = Base x Height

= 5 cm x 3 cm

= 15 [tex]cm^2[/tex]

15 square centimeters is the result of rounding this response to the nearest whole number. F. 14 cm2 is the measurement that most closely approximates the parallelogram's area in square centimeters.

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The algebraic expression of \(\csc (\operatorname{arccot}(x)) \) is \(\frac{x}{\sqrt{1+x^2}}\) and the domain on which the equivalence is valid is \((-\infty, 0) \cup (0, \infty)\).

The quantity \[ \csc (\operatorname{arccot}(x)) \] can be rewritten as an algebraic expression of \(x\) using the following steps:

1. Recall that \(\operatorname{arccot}(x) \) is the inverse function of \(\cot(x) \), which means that \(\cot(\operatorname{arccot}(x)) = x \).

2. Use the identity \(\cot(x) = \frac{1}{\tan(x)} \) to rewrite the expression as \[ \csc (\operatorname{arccot}(x)) = \csc \left( \arctan \left( \frac{1}{x} \right) \right) \]

3. Recall that \(\csc(x) = \frac{1}{\sin(x)} \) and use the identity \(\sin(\arctan(x)) = \frac{x}{\sqrt{1+x^2}} \) to rewrite the expression as \[ \csc (\operatorname{arccot}(x)) = \frac{\sqrt{1+\left( \frac{1}{x} \right)^2}}{\frac{1}{x}} = \frac{x}{\sqrt{1+x^2}} \]

Therefore, the algebraic expression of \(\csc (\operatorname{arccot}(x)) \) is \[ \frac{x}{\sqrt{1+x^2}} \]

The domain of this expression is all real numbers except \(x=0\), since division by zero is undefined. Therefore, the domain on which the equivalence is valid is \(x \neq 0\), or in interval notation, \((-\infty, 0) \cup (0, \infty)\).

In summary, the algebraic expression of \(\csc (\operatorname{arccot}(x)) \) is \(\frac{x}{\sqrt{1+x^2}}\) and the domain on which the equivalence is valid is \((-\infty, 0) \cup (0, \infty)\).

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The recursive formula for an, the nth term of the sequence is a(n) = a(n - 1) + 2 where a(1) = 2

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

2, 6, 10, 14, ....

The above definitions imply that we simply add 4 to the previous term to get the current term

Using the above as a guide,

So, we have the following representation

a(n) = a(n - 1) + 2

Hence, the sequence is a(n) = a(n - 1) + 2 where a(1) = 2

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The total quantity/ amount of plums which each container can hold is equal to 450 grams or 0.450 kilograms.

It is already given that the total quantity of plums which is to be filled in containers is equal to 36 Kilograms. Since 1 kilogram is equal to 1000 grams so 36 kilograms will be equal to 36000 grams. If Mrs. Kramer adds the 36000 grams of plum in 80 containers, assuming that the division is done equally in each container, this means that the quantity of plum in a single container will be obtained by mere division.

Total quantity of plums = 36000 grams

Number of containers = 80

Quantity of plum in 1 container = 36000/ 80 = 450 grams

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Let x be the total value of the estate.

According to the problem, the youngest child received 1.25 million and the share of each child is half of the remainder of the estate after the previous child has received their share.

So, the fourth child received 1.25 million, which is half of what the third child received. Therefore, the third child received 2.5 million.

Similarly, the second child received 2 times what the third child received, which is 5 million.

Finally, the first child received 2 times what the second child received, which is 10 million.

Adding up all the shares, we get:

1st child: 10 million

2nd child: 5 million

3rd child: 2.5 million

4th child: 1.25 million

Total: 18.75 million

Therefore, the total value of the estate is 18.75 million, which is closest to option a, 18.25 million.

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By applying synthetic division concept, it can be concluded that f(x) = 4x³ + x² + x - 9 can be expressed as f(x) = (x + 1)(4x² -3x + 4) - 13

Synthetic division is a shorthand way of dividing polynomials where we can divide the coefficients of the polynomial by omitting variables and exponents. As a result, we get the coefficient of the quotient and the remainder.

Polynomial remainder theorem states that the value of p in argument b is equal to the remainder of the polynomial division p(x) / (x - b). Specifically, p(x) is divided by x - b with a remainder of zero if, and only if, b is a root of p.

We have the following polynomial:

f(x) = 4x³ + x² + x - 9

and we have k = -1

We will divide the polynomial f(x) by (x + 1). The steps are as follows:

1. Put the coefficients in a row and multiply the outside coefficient by the divisor: 4(-1)= -4

2. Add the inside coefficient to the product from the previous step: -4 + 1 = -3

3. Multiply the result from the previous step by the divisor: -3(-1) = 3

4. Add the next coefficient to the product from the previous step: 3 + 1 = 4

5. Multiply the result from the previous step by the divisor: 4(-1) = -4

6. Add the last coefficient to the product from the previous step: -4 - 9 = -13

Now we take the first coefficient and the result of the sum steps, we get the following numbers: 4, -3, 4, -13

Then we can write the expression as follows: 4x³ + x² + x - 9 = (x + 1)(4x² - 3x + 4) - 13

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The derivative of √(x + 3) / (x + 1) with respect to x is:

[(√(x + 3)) / (x + 1)]' = [1 - (√(x + 3))  (x + 1)] / [2(x + 1)²  √(x + 3)]

To differentiate √(x + 3) / (x + 1) with respect to x, we need to use the quotient rule:

(f(x) / g(x))' = (f'(x) * g(x) - f(x) * g'(x)) / [g(x)]²

where f(x) = √(x + 3) and g(x) = x + 1.

Now, let's differentiate each term:

f'(x) = (1/2) * (x + 3)^(-1/2) * 1

= 1 / [2 * √(x + 3)]

g'(x) = 1

Substituting into the quotient rule formula:

[(√(x + 3)) / (x + 1)]' = [(1 / [2 * √(x + 3)]) * (x + 1) - (√(x + 3)) * 1] / [(x + 1)²]

Simplifying the expression:

[(√(x + 3)) / (x + 1)]' = [1 - (√(x + 3)) * (x + 1)] / [2 * (x + 1)² * √(x + 3)]

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The value  of x for the given  triangle  is x = 8.4 units. 2. For the given triangle the value of x is 2941.17 m.

The opposing angles created by the junction of two lines are known as

vertical angles

or vertically opposed angles. A pair of angles that are vertically opposed to one another are always equal. Moreover, a vertical angle and the angle to which it is next are

supplementary angles

, meaning their sum is 180 degrees.

The given triangle is a right triangle.

Using the trigonometric functions we have:

tan (35) = opposite / adjacent = x / 12

0.7 (12) = x

x = 8.4

Hence, the value of x for the given triangle is x = 8.4 units.

For the second figure, using the alternate interior angles we have angle corresponding to the segment x as 10 degrees.

Using the trigonometric function we have:

sin (10) = opposite / hypotenuse = 500/x

x = 500/0.17

x = 2941.17

Hence, the value of x is 2941.17 m.

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The response to the given question would be that Therefore, after equation growing to 174 in 2003, the wolf population in Yellowstone National Park dropped from 150 in 2002 to 118.32 in 2005.

When two statements are connected by a mathematical equation, the equals sign (=) implies equality. An equation in algebra is a mathematical statement that proves the equivalence of two mathematical expressions. For instance, the equal sign separates the numbers in the equation 3x + 5 = 14. It is possible to determine the relationship between the two sentences on either side of a letter using a mathematical formula. The logo for the particular piece of software is frequently the same. as 2x - 4 = 2, for instance.  

beginning with a wolf population of 150 in 2002:

The number of wolves grew by 16% in 2003. We may multiply the initial population by 1.16 (100% + 16% = 116%) to determine the increase:

150 times 1.16 is 174 wolves.

There was a 32% decline in the wolf population between 2003 and 2005. We may multiply the population in 2003 by 0.68 (100% - 32% = 68%) to determine the decline:

174 times 0.68 equals 118.32 wolves (rounded to two decimal places)

Therefore, after growing to 174 in 2003, the wolf population in Yellowstone National Park dropped from 150 in 2002 to 118.32 in 2005.

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Answer:

5 hours

Step-by-step explanation:

You can use a simple equation for this problem, speed times time is distance. s * t = x. In this case, the distance, x, is 320 and the speed, s, is 64. We can move the s from the equation around and get t = x/s. So time = 320/64 which is 5 hours.

To solve the handshake problem for five students sitting around a table, we need to count the number of unique handshakes that can occur between them. We can start by picking one student as the first handshaker, who then shakes hands with the four other students. This gives us a total of four handshakes.

Next, we can choose a different student as the first handshaker and repeat the process. This gives us another four handshakes, but we have to be careful not to count any handshakes twice.

For example, if Student A shakes hands with Student B first, and then we choose Student B as the first handshaker, we will count the handshake between A and B twice.

To avoid this, we can divide our total count of handshakes by two. This is because each handshake involves two people, so we will count each handshake twice if we simply multiply the number of people by the number of potential handshakes (i.e., 5 x 4 = 20 potential handshakes).

Therefore, the number of unique handshakes between five students sitting around a table is:

(5 x 4) / 2 = 10

So there are 10 handshakes that occur when five students shake hands with each other exactly once

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There are a total of 150 dishes out of them 30 are beef dishes and 21 dishes have fish in it.

Graphs are a not unusual place technique to visually illustrate relationships withinside the statistics. The reason for a graph is to provide statistics that are too severe or complex to be defined appropriately withinside the textual content and in much less space.

a) Given there are 9 vegetarian dishes on the menu,

Thus,

we can state that 6% of the menu = 9 dishes

so,

1% of the menu will have the total number of dishes = 9/6 = 3/2

Thus,

The total dishes on the menu = 3/2 *100

The total dishes on the menu = 150

b) Since there is 20% beef on the menu,

As we calculated earlier per percent there is 3/2 dishes

thus,

total dishes of beef = 3/2 * 20

total dishes of beef = 30

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Answer:

5: 52 m

6: 600 inches

7: 352 yards

8: 43 cm

Step-by-step explanation:

5: 5x5=25. 4x3/2=6. 5x3=15. 4x3/2=6

25+6+15+6=52

6: It is a cube that has 10 length sides. Each side's area is 10x10=100

There are 6 sides, so 6x100=600

7: Top and bottom: 8x8=64 (There are 2, one is top, one is bottom)

Sides (4 of them): 7x8=56

2(64)+4(56)=

128+224=

352

8: 4x3=12. 5x3/2=7.5. 5x3/2=7.5. 4x4=16.

12+7.5+7.5+16=

43 cm

Pls mark me brainliest if it helps :), have a very nice day/night!

Answer:

1. 254

2.100.8

Step-by-step explanation:

To solve this Cyberchallenge, you will need to use browser dev tools and curl web requests.

Here are the steps to do it:
1. Open the browser dev tools by pressing F12 on your keyboard or right-clicking on the page and selecting "Inspect Element".
2. Go to the "Network" tab in the dev tools.
3. Start a curl web request by typing "curl" followed by the URL of the security gateway in the command line.
4. Add the "-v" option to the curl command to see the headers and response body of the request.
5. Look for the question asked by the gateway in the response body.
6. Use a calculator to quickly calculate the answer to the question.
7. Add the "-d" option to the curl command followed by the answer to the question to send the answer as a POST request.
8. Look for the flag in the response body of the POST request.
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Pablo's monthly payments are $760.76

If Pablo pays the monthly fee each month, he will pay a 3.48% interest rate.

Monthly payments refer to the amount of money that is paid on a regular basis, typically every month, to repay a debt or loan over a specified period of time. The monthly payment is usually calculated based on the total amount borrowed, the interest rate, and the repayment period

How to solve

Given that:

Loan amount = $1400

Interest rate r = 5.7%

Time n = 5 years

To solve for monthly payment

using the formula

1400 * [tex]\frac{0.0157(1 +0.0517)^6^0}{(1 + 0.0517)^6^0 -1}[/tex]

= 760.76.

Pablo's monthly payments is $760.76

The total interest to be paid:

A = P(1+rt)

1400= 760.76 + 3803.8

= 3.48

Thus, if Pablo pays the monthly fee each month, he will pay 3.48% interest rate.

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Answer:

We can simplify this expression by using the formula (a + b)(a - b) = a^2 - b^2:

(1 + √10)(1 - √10) = 1^2 - (√10)^2 = 1 - 10 = -9

Therefore,

(1 + √10)(1 - √10) = -9

Now we can multiply by 2:

2(1 + √10)(1 - √10) = 2(-9)

2(1 - 10) = -18

So the final result is -18.

The volume of the right circular cone is approximately 1.6 cubic centimeters (rounding this answer to the nearest tenth of a cubic centimeter).

What is volume ?

Volume is a physical quantity that measures the amount of three-dimensional space that a substance or object occupies.

The volume of a right circular cone is given by the formula

[tex]V = (1/3)\pi r^2h[/tex] , where r is the radius of the base and h is the height of the cone. We are given the height of the cone, which is 14.9 cm. To find the radius of the base, we need to use the given circumference of the base, which is 2.9 cm.

The formula for the circumference of a circle is C = 2πr, where C is the circumference and r is the radius. We can rearrange this formula to solve for r, which gives us r = C/(2π). Plugging in the given circumference of 2.9 cm, we get:

r = 2.9/(2π) ≈ 0.461

Now, we can substitute the values of r and h into the formula for the volume of a cone and solve for V:

V = (1/3)π([tex]0.461^2[/tex])(14.9) ≈ 1.564 [tex]cm^3[/tex]

Rounding this answer to the nearest tenth of a cubic centimeter gives us a final volume of approximately [tex]1.6 cm^3[/tex]. Therefore, the volume of the right circular cone is approximately 1.6 cubic centimeters.

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[tex]\dfrac{y-(-3.5)}{-3.5-6.5} = \dfrac{x-0}{0-(-1)}[/tex]

[tex]\dfrac{y+3.5}{-10} = \dfrac{x}{1} \iff y +3.5 = -10x\\[/tex]

[tex]\implies y = -10x - 3.5[/tex]

The relative error of the metal plate is -0.0025

The relative error compares the difference between the measured value and the actual value to the actual value itself. Mathematically, it's calculated as:

Relative Error = (Measured Value - Actual Value) / Actual Value

In this case, the metal plate was supposed to be 15.75 cm long, but it measured 15.71 cm after it was cut. Therefore, the measured value is 15.71 cm, and the actual value is 15.75 cm. Plugging these values into the formula for relative error, we get:

Relative Error = (15.71 - 15.75) / 15.75 = -0.0025

The relative error is negative because the measured value is less than the actual value. In other words, the measured value has an error of -0.25% relative to the actual value. This means that the measured value is 0.25% less than the actual value.

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Equatiοn C will prοvide the sοlutiοn based οn the inputs prοvided.

y - 1 =3(x - 2).

An infinitely small lοcatiοn knοwn as a pοint is sοmething that has lοcatiοn but nο spatial expanse. A pοint is a nοn - dimensiοnal οbject, in οther wοrds! An illustratiοn fοr this wοuld be the meeting οf twο lines. It has neither a width nοr a length nοr a height.

Given: A line with a slοpe οf 3 and the specified pοint (2, 1).

Tο determine: What is a line's pοint-slοpe shape.

We stated that slοpe equals 3 pοints (2, 1).

Accοrding tο the pοint-slοpe fοrmula, given a pοint[tex](x1 - y1)[/tex] with a slope of m, the line's equation can be expressed as  [tex]y - y1 = m(x - x1).[/tex]

Here [tex](x1 - y1) = ( 2, 1)[/tex]

Then Equation of line y - 1 = 3(x - 2).

Therefore, Equation C. y - 1 = 3(x - 2).

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