PLEASE HELP
find the equation of the line
using exact numbers

Answer:

Step-by-step explanation:

The variables in the equations are aligned as follows:   2x - 3y = 9 and

2x - 3y = 8/3

When we talk about aligning a system of linear equations, we mean rearranging the equations so that the variables are in the same order and have the same coefficients. This is done to make it easier to apply methods for solving systems of equations, such as substitution or elimination.

In a system of linear equations, each equation typically involves two or more variables. The variables may have different coefficients in each equation, and they may appear in a different order. Aligning the system involves rearranging the equations in a way that puts the variables in the same order, with the same coefficients.

Align the variables in given the system of linear equations :

To align the variables in the given equations, we need to rearrange the second equation so that the coefficients of  and  are the same as in the first equation.

To align the variables in the equations, we need to rearrange the terms so that the x, y, and constant terms are all grouped together.

Starting with the first equation:

2x - 3y = 9

We can rearrange this as:

2x = 3y + 9

Now we can divide both sides by 2 to get x by itself:

x = (3/2)y + 4.5

Now let's move on to the second equation:

1-6x +9y = -7

We can rearrange this as:

-6x + 9y = -8

Next, we'll divide both sides by -3 to get x by itself:

2x - 3y = 8/3

Now both equations are in the form of:

ax + by = c

where a, b, and c are constants. The aligned equations are:

2x - 3y = 9

2x - 3y = 8/3

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Answer:

This figure can be named as a parallelogram and a quadrilateral.

Step-by-step explanation:

A 4-sided polygon is a quadrilateral.

If both pairs of opposite sides of a quadrilateral are congruent, then the quadrilateral is a parallelogram. Since this is the case here, this quadrilateral is a parallelogram.

Answer: This figure can be named as a parallelogram and a quadrilateral.

The secοnd beach ball has a vοlume abοut 57,791.69 cubic cm less than the first beach ball.

Each thing in three dimensiοns takes up sοme space. The vοlume οf this area is what is being measured. The space οccupied within an οbject's bοrders in three dimensiοns is referred tο as its vοlume. It is sοmetimes referred tο as the οbject's capacity.

The vοlume οf a sphere with radius r is given by the fοrmula V = (4/3)πr³.

Fοr the first beach ball, with radius 24 cm, the vοlume is represented by the equatiοn-

V1 = (4/3)π(24 cm)³

V1 ≈ 57,904.79 cubic cm

Fοr the secοnd beach ball, with radius 3 cm, the vοlume is represented by the equatiοn -

V2 = (4/3)π(3 cm)³

V2≈ 113.10 cubic cm

The difference in vοlume between the twο beach balls is -

V1 - V2 ≈ 57,904.79 - 113.10

V1 - V2 ≈ 57,791.69 cubic cm

Therefοre, tο the nearest cubic centimeter, the vοlume is 57,792 cubic cm difference in bοth the beach balls.

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Answer:

y = 4x + 10

Step-by-step explanation:

2y - 8x = 20 ( add 8x to both sides )

2y = 8x + 20 ( divide through by 2 )

y = 4x + 10

Answer: y=4x+10

Step-by-step explanation:

The value of x in the given triangle is 2.44 units.

If two triangles have an equal number of corresponding sides and an equal number of corresponding angles, then they are comparable.

Similar figures are described as items with the same shape but varying sizes, such as two or more figures. While both have the same form, the sizes may vary. Each pair of comparable angles are equal. Similar equivalent side ratios exist.

Given that, LM bisects angle JLK.

Thus, angle JLM = angle MLK.

The two triangles triangle JKL and triangle MLK are similar using AA criteria.

Since, the two triangles are equal the ratio of their sides are equal.

Using Pythagoras theorem in triangle MLK we have:

LM² = 4² + 8²

LM = 8.9

Now, using the ratio:

x + 3 / 8.9 = x / 4

4x + 12 = 8.9x

12 = 4.9x

x = 2.44

Hence, the value of x in the given triangle is 2.44 units.

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Triangle ABC and triangle DEF are congruent, according to the Side-Angle-Side (SAS) postulate.

If the matching sides and angles of two triangles are the same length, then the triangles are said to be congruent. Congruent sides angles are what these are called.

Triangle ABC must be shown to be congruent with triangle DEF.

By demonstrating that the two triangles have a single pair of congruent sides, we can get started. We can observe that AB and DE are both 6 cm long.

The congruent angle between the two triangles can be demonstrated. As BAC and EDF are both right angles, we can see that they are equivalent.

Thus, according to the Side-Angle-Side (SAS) hypothesis Triangle ABC is consistent with triangle DEF, we can say.

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Answer:B

Step-by-step explanation:

Thus, the obtained formula for the arithmetic sequence is found as:

f(n) = -42 + 10(n - 1).

A list of integers called an arithmetic sequence has a constant difference between terms. Any number may be the first in an arithmetic sequence, but the distance between succeeding terms must remain constant.

Unreal numbers can be used in a series. I believe that the next step in an equation should be an actual real number.

The nth term formula for the arithmetic sequence is:

f(n) = a1 + (n - 1)d

arithmetic sequence -

−42, −32, −22, −12, −2 …

a1 = -42

d = -32 - (-42) = -32 + 42 = 10

So, formula for the sequence:

f(n) = -42 + (n - 1)10

f(n) = -42 + 10(n - 1)

Thus, the obtained formula for the arithmetic sequence is found as:

f(n) = -42 + 10(n - 1).

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Answer:

x=2

Step-by-step explanation:

10÷2=5

Answer: x=2

Step-by-step explanation:

5x2 = 10

10÷5 = 2

hope this helped

Answer:

B) 3

Step-by-step explanation:

219 / 73= 3

3 x 73= 219

Answer: 3

Step-by-step explanation:

An LED light bulb is 40% efficient, compared to an incandescent, which is 5% efficient which means that an LED light bulb will convert 40% of the energy used into visible light, while an incandescent light bulb will only convert 5% of the energy used into visible light.

The other 95% of the energy used by an incandescent bulb is lost as heat, making it less efficient. LEDs are much more energy efficient than incandescent bulbs. LEDs are able to produce the same amount of light as an incandescent bulb with only a fraction of the energy. This is because LEDs emit light in a narrow spectrum which reduces energy loss due to the amount of light that is not visible to the human eye. In addition, LEDs do not contain filaments that require power to heat up, meaning that much less energy is wasted as heat.

LEDs also have a longer lifespan than incandescent bulbs. This is due to the fact that LEDs have no filament to burn out, meaning they can last up to 50,000 hours or more. On the other hand, an incandescent bulb typically has a lifespan of around 1,000 hours. This means that an LED light bulb can potentially last up to 50 times longer than an incandescent bulb.

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The rate of increase of the number of bacteria is 1200/2 = 600 bacteria/hour.

To find the rate of increase of the number of bacteria in a culture, we can use the formula

rate of change = change in number of bacteria/time elapsed.

In this case, the change in number of bacteria is 1800-600 = 1200, and the time elapsed is 2 hours.

Thus, the rate of increase of the number of bacteria is 1200/2 = 600 bacteria/hour.

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The equation of  line of reflection that transforms shape P into shape Q is y=7.

a reflection is known as a flip. A reflection is a mirror image of its shape. An image will reflect through the line, known as the line of reflection. Every point in a figure is said to mirror the other figure when they are all equally spaced apart from one another.

In the given figure, Shape P and Shape Q touches the line y=7 and Shape Q forms exact reflection of Shape P

Hence, the equation of the line of reflection that

transforms shape P into shape Q. is y=7.

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Answer:

5.

[tex]≈1017.9 \: {ft}^{2} [/tex]

6.

[tex]≈50.3 \: {yd}^{2} [/tex]

7.

[tex]≈1809.6 \: {mm}^{2} [/tex]

8.

[tex]≈1256.6 \: {cm}^{2} [/tex]

Step-by-step explanation:

I added a photo of my solution, I hope I did it right

Answer:

$27.50

Step-by-step explanation:

If the sales tax rate is 10%, then Ariana will pay 10% of the price of the cowboy hat as tax.

To calculate the amount of tax Ariana will pay:

First, we need to calculate the amount of the tax by multiplying the price of the cowboy hat by the sales tax rate: 0.10 x $25 = $2.50

So, the amount of tax that Ariana will pay is $2.50.

Therefore, Ariana will pay $2.50 in tax when she buys the cowboy hat priced at $25. Her total cost will be $25 + $2.50 = $27.50.

Answer:

2.50$

Step-by-step explanation:

Hope that helps ✌

Answer:

8.2mm

Step-by-step explanation:

Formula for area of triangle is 1/2 base x height

Since we are trying to find base, we must work in reverse.

19.68mm / 4.8 = 4.1mm (1/2 the base)
To find base we must multiply by 2

2 x 4.1mm = 8.2mm

Base = 8.2mm

The statement "Whereas the carbohydrate and fat you eat is used mostly to give you energy, protein is used mostly to build and maintain your body" is True.

What are carbohydrates, fats, and proteins?

Carbohydrates, fats, and proteins are the three macronutrients that supply our bodies with energy.

All of these nutrients, particularly proteins, are required for the development and maintenance of the human body.In terms of providing energy, carbohydrates and fats are the most effective.

Carbohydrates are the body's primary source of energy. When you consume carbohydrates, they are broken down into glucose, which is transported throughout the body to be used as energy.

Fat is the second-most efficient source of energy, and it is utilized when carbohydrate stores are depleted. Fats are broken down into fatty acids and transported throughout the body, where they are utilized as an energy source. Proteins are not the body's preferred source of energy; instead, they are mostly used to build and repair tissues in the body.

In summary, while carbohydrates and fats are primarily used to produce energy, protein is mostly used for body maintenance and growth.

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90 mm Hg is Zigg's mean arterial pressure.

Here's the formula for calculating MAP: MAP = (CO x SVR) + CVPR

where:

CO stands for cardiac output (measured in liters per minute).

SVR stands for systemic vascular resistance (measured in mm Hg/L/min).

CVPR stands for central venous pressure (measured in mm Hg).

Now, let's get started with the calculation of MAP.

First, let's calculate CO (cardiac output): CO = HR x SV

where:

HR is heart rate (measured in beats per minute).

SV is stroke volume (measured in milliliters per beat).

CO = 140 bpm x 95 mlCO = 13300 ml/minCO = 13.3 L/min

Next, we need to calculate SVR (systemic vascular resistance).

The formula for calculating SVR is: SVR = (MAP - CVP) / CO

where:

MAP is mean arterial pressure (measured in mm Hg).

CVP is central venous pressure (measured in mm Hg).

CO is cardiac output (measured in liters per minute).

Since we don't have CVP in this question, let's assume it to be zero.

SVR = (MAP - 0) / 13.3 L/minSVR = MAP / 13.3 L/min

Now, we can rearrange the above equation to calculate

MAP:

MAP = SVR x 13.3 L/minMAP = 60 mm Hg (diastolic pressure) + 1/3 (systolic pressure - diastolic pressure)MAP = 60 mm Hg + 1/3 (150 mm Hg - 60 mm Hg)MAP = 60 mm Hg + 30 mm HgMAP = 90 mm Hg

Therefore, Ziggy's mean arterial pressure (MAP) is 90 mm Hg.

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The conic section represented by the equation. 2x + 5y - 7 = 0 is a line

The given equation is 2x + 5y - 7 = 0.

To determine the conic section represented by this equation, we can use the discriminant D:

D = B^2 - 4AC

where A, B, and C are the coefficients of x^2, xy, and y^2, respectively, in the general form of the conic section equation Ax^2 + Bxy + Cy^2 + Dx + Ey + F = 0.

In this case, A = 0, B = 0, and C = 0 (since there are no x^2, xy, or y^2 terms), so the discriminant is:

D = 0^2 - 4(0)(0) = 0

Since the discriminant is 0, the conic section represented by the equation 2x + 5y - 7 = 0 is a degenerate case, which is a line.

Therefore, the answer is "line".

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Answer:

If we assume that the proportion of male and female internet users in the second study is the same as the first study (i.e., 60% female and 40% male), and that the percentage of male and female internet users who create their own blog is the same as the first study (i.e., 17% for male and 22% for female), then we can calculate the percentage of teen bloggers who are female and male.

First, we can calculate the number of male and female internet users in the second study:

Number of female internet users = 1000 x 0.5 x 0.6 = 300

Number of male internet users = 1000 x 0.5 x 0.4 = 200

Next, we can calculate the number of female and male teen bloggers in the second study, based on the percentages from the first study:

Number of female teen bloggers = 300 x 0.22 = 66

Number of male teen bloggers = 200 x 0.17 = 34

Finally, we can calculate the percentage of teen bloggers who are female and male:

Percentage of teen bloggers who are female = (66 / 1000) x 100% = 6.6%

Percentage of teen bloggers who are male = (34 / 1000) x 100% = 3.4%

Therefore, in the second study, 6.6% of teen bloggers would be female and 3.4% of teen bloggers would be male.

No, you do not have to worry about perfect multicollineariy in the multiple regression model.

Perfect multicollinearity occurs when two or more independent variables are perfectly correlated, and it can lead to inaccurate estimates of the coefficients. The Ordinary Least Squares (OLS) estimator can still be computed in this situation, but the standard errors of the coefficients will be inflated. To minimize the effects of multicollinearity, you can use regularization methods such as Ridge Regression or Lasso Regression.

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Answer: Substitute x back into one of the equations to solve for y.

Step-by-step explanation:

Answer: I believe the answer is 7

Step-by-step explanation:

To solve this I just divided 56 by 8, the answer then is 7. Hope this helps!!!

Answer: sure....... i actually understand Spanish so this is gonna be easy.

Step-by-step explanation:

Give me a few minutes to do it

Ok for startes when you find a word cross it off the word bank that is where your first mistake is......

The answer is 7 because two negatives cancel each other out to make a positive.

The surface area of the cylinder is approximately 127.17 cm².

Surface area of cylinder is the total space covered by the flat surfaces of the bases of the cylinder and its curved surface. The formula for the surface area of a cylinder is: 2πr² + 2πrh.

To solve this problem, we first need to find the radius of the cylinder. The diameter of the cylinder is 3 cm, so the radius is half of that:

r = 3/2

= 1.5 cm

We need to substitute the values we know into the formula for surface area:

= 2π(1.5)² + 2π(1.5)(12)

= 2π(2.25) + 2π(18)

= 4.5π + 36π

= 40.5π

We will now approximate the value of π to get the numerical answer, so, our Surface Area will be:

= 40.5π

= 40.5 * π

= 40.5 * 3.14

≈ 127.17 cm²

Answered question "A cylinder is 12 cm tall and has a diameter of 3 cm. What is the surface area?"

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The risk of owning a home in Randolph County based on the given sample can be calculated as:

Risk of owning a home = Number of residents who own a home / Total number of residents in the sample

Risk of owning a home = 59 / 90

Therefore, the risk of owning a home in Randolph County based on the given sample is approximately 0.656 or 65.6%.

Answer:

(a) To write 9 N as a number in standard form, we need to express it as a number between 1 and 10 multiplied by a power of 10. To do this, we can divide 9 N by 10 until we get a number between 1 and 10:

9 N = 480 × 10^9

9 N ÷ 10 = 48 × 10^9

9 N ÷ 10^2 = 4.8 × 10^9

9 N ÷ 10^3 = 0.48 × 10^9

9 N ÷ 10^4 = 0.048 × 10^9

9 N ÷ 10^5 = 0.0048 × 10^9

Therefore, 9 N = 4.8 × 10^10.

(b) To write N as a product of powers of its prime factors, we can first factorize N:

480 × 10^9 = 2^5 × 3 × 5 × 10^9

Then, we can express 10^9 as 2^9 × 5^9 and substitute it in the factorization:

2^5 × 3 × 5 × 2^9 × 5^9 = 2^14 × 3 × 5^10

Therefore, N = 2^14 × 3 × 5^10.

(c) To find the largest factor of N that is an odd number, we need to remove all factors of 2 from the factorization of N. We can do this by dividing N by 2 as many times as possible:

N = 2^14 × 3 × 5^10

N ÷ 2 = 2^13 × 3 × 5^10

N ÷ 2^2 = 2^12 × 3 × 5^10

N ÷ 2^3 = 2^11 × 3 × 5^10

N ÷ 2^4 = 2^10 × 3 × 5^10

N ÷ 2^5 = 2^9 × 3 × 5^10

N ÷ 2^6 = 2^8 × 3 × 5^10

N ÷ 2^7 = 2^7 × 3 × 5^10

N ÷ 2^8 = 2^6 × 3 × 5^10

N ÷ 2^9 = 2^5 × 3 × 5^10

N ÷ 2^10 = 2^4 × 3 × 5^10

N ÷ 2^11 = 2^3 × 3 × 5^10

N ÷ 2^12 = 2^2 × 3 × 5^10

N ÷ 2^13 = 2 × 3 × 5^10

N ÷ 2^14 = 3 × 5^10

Therefore, the largest factor of N that is an odd number is 3 × 5^10.