Which system is equivalent to startlayout enlarged left-brace 1st row 3 x squared minus 4 y squared = 25 2nd row negative 6 x squared minus 2 y squared = 11 endlayout? startlayout enlarged left-brace 1st row 3 x squared minus 4 y squared = 25 2nd row 12 x squared 4 y squared = 22 endlayout startlayout enlarged left-brace 1st row 3 x squared minus 4 y squared = 25 2nd row negative 12 x squared 4 y squared = 22 endlayout startlayout enlarged left-brace 1st row 6 x squared minus 8 y squared = 25 2nd row negative 6 x squared minus 2 y squared = 11 endlayout startlayout enlarged left-brace 1st row 6 x squared minus 8 y squared = 50 2nd row negative 6 x squared minus 2 y squared = 11 endlayout

Answer:

$10

Step-by-step explanation:

Answer:

10 in the answer

Step-by-step explanation:

10 is the answer

Answer:

Line A

Step-by-step explanation:

Any line facing towards the left side of the coordinate plane will have a negative slope.

Line C is facing towards the right

Line D and B doesn't have a slope

A is the only right answer

The sample space and number of possible outcomes are:

1) Sample space = {a, e, i, o, u}

Number of possible outcomes of drawing a vowel = 5 outcomes

2) Sample space = {Red, Yellow, Blue}

Number of possible outcomes = 3

3) Sample space = {1, 3, 5, 7, 9, 11}

Number of possible outcomes = 6

A sample space is a collection or set of possible outcomes from a random experiment. The sample chamber is denoted by the symbol 'S'. A subset of the possible outcomes of an experiment are called events. A sample room can contain a set of results according to an experiment.  

1) There are a total of 5 vowels in the English alphabets out of a total of 26 alphabets and as such:

Sample space = {a, e, i, o, u}

Number of possible outcomes of drawing a vowel = 5 outcomes

2) The primary colors are namely: Red, Yellow, Blue

Thus:

Sample space = {Red, Yellow, Blue}

Number of possible outcomes = 3

3) There 11 digits from 1 to 11 and a total of 6 odd numbers.

Sample space = {1, 3, 5, 7, 9, 11}

Number of possible outcomes = 6

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Answer:

Step-by-step explanation:

2.06

Answer:

35/17 = 2.06 (to the nearest hundredth)

Answer:

Mr. A initially paid approximately N8000 for the land.

Step-by-step explanation:

Step 1: Let's assume Mr. A initially purchased the land for a certain amount, which we'll call "x" in currency units.

Step 2: Mr. A sold the land to Mr. B at a profit of 10%. This means Mr. A sold the land for 110% of the amount he paid (1 + 10/100 = 1.10). Therefore, Mr. A received 1.10x currency units from Mr. B.

Step 3: Mr. B sold the land to Mr. C at a gain of 5%. This means Mr. B sold the land for 105% of the amount he paid (1 + 5/100 = 1.05). Therefore, Mr. B received 1.05 * (1.10x) currency units from Mr. C.

Step 4: According to the given information, Mr. C paid N1240 more for the land than Mr. A paid. This means the difference between what Mr. C paid and what Mr. A paid is N1240. So we have the equation: 1.05 * (1.10x) - x = N1240

Step 5: Simplifying the equation: 1.155x - x = N1240

Step 6: Solving for x: 0.155x = N1240

x = N1240 / 0.155

x ≈ N8000

Therefore, in conclusion, Mr. A initially paid approximately N8000 for the land.

Answer: 45 copies in 18 minutes

Step-by-step explanation:

i figured it out ;)

2 hours will pass before they meet.

"Information available from the question"

In the question:

Aaron starts riding a bike at a rate of 3 mi/h on a road toward a store 20 mi away.

Zhang leaves the store when Aaron starts riding his bike, and he rides his bike toward Aaron along the same road at 2 mi/h.

Now, According to the question:

Total distance = 20mi

Aaron starts riding a bike at a rate of  = 3mi/h

Zhang rides his bike toward Aaron along the same road at  = 2mi/h

Let y be the number of hours for them to meet.

The expression is given as

3y + 2y = 20

solving for y, we have

5y = 20

y = 20/5

y = 4hrs

Therefore, 2 hours will pass before they meet.

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In a perfectly symmetrical distribution with a mean (µ) of 30, there is no specific mode because all values occur with equal frequency.

In a perfectly symmetrical distribution, such as a symmetric bell-shaped curve or a uniform distribution, each value occurs with the same frequency. This means that there is no value that occurs more frequently than others, resulting in multiple modes or no mode at all.

The mode is typically used to identify the most common value in a dataset, but in a perfectly symmetrical distribution, all values have equal frequency, and there is no single mode. Instead, the distribution is characterized by its symmetry around the mean (µ). The mean represents the central tendency of the distribution, indicating the balance point of the data. In this case, with a mean of 30, the distribution is centered around this value, with equal numbers of observations on either side.

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\Answer:

\(\displaystyle \frac{(x-7)^2}{4}+\frac{(y+2)^2}{36}=1\)

Step-by-step explanation:

Equation of The Ellipse

Given the center (h,k) and the length of the major and minor axis, we can write the equation of the ellipse as follows:

\(\displaystyle \frac{(x-h)^2}{a^2}+\frac{(y-k)^2}{b^2}=1\)

If the major axis is a, then the ellipse is horizontal, if the major axis is b, then the ellipse is vertical.

The ellipse shown in the figure is centered at (7,-2). The major axis is b and it can be found by measuring the distance from the center up or down to any vertex. We find b=6 and a=2.

Thus, the equation of the ellipse is:

\(\displaystyle \frac{(x-7)^2}{2^2}+\frac{(y+2)^2}{6^2}=1\)

Operating:

\(\mathbf{\displaystyle \frac{(x-7)^2}{4}+\frac{(y+2)^2}{36}=1}\)

The PCM quaternary codes for the given analog message samples are:

[122, 121, 112, 102, 100, 021, 022, 100, 100, 100, 002, 012, 000, 102, and 010]

To find the PCM (Pulse Code Modulation) quaternary codes for the given analog message samples, we need to quantize the samples using a unity step size. The maximum range is 9, so we'll divide the range into 4 equal intervals to represent the quaternary codes.

First, let's list the given analog message samples:

x(t) = [8.1, 7.2, 5.9, 2.4, 0.2, -1.4, -0.6, 0.4, 0.5, 0.9, -6.2, -3.7, -8.1, 2.1, and -5.1] volts

Next, we'll quantize each sample to the nearest value within the allowed range. Using the quaternary code notation [a, b, c, d]:

8.1 -> 9 -> 122

7.2 -> 7 -> 121

5.9 -> 6 -> 112

2.4 -> 2 -> 102

0.2 -> 0 -> 100

-1.4 -> -1 -> 021

-0.6 -> -1 -> 022

0.4 -> 0 -> 100

0.5 -> 0 -> 100

0.9 -> 0 -> 100

-6.2 -> -6 -> 002

-3.7 -> -4 -> 012

-8.1 -> -9 -> 000

2.1 -> 2 -> 102

-5.1 -> -5 -> 010

Therefore, the PCM quaternary codes for the given analog message samples are:

[122, 121, 112, 102, 100, 021, 022, 100, 100, 100, 002, 012, 000, 102, and 010]

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The reflected over the line is = (4,0)

hence, as y=x by taking the symmetry= (4,0)

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Answer:

like terms are siilar terms such as 6a and -7a would be like terms as well as 5 amd 3

Answer:

terms that are "like" each other. so 7x and 2x whould be like terms because they both have x and 3x and 10x would be like terms so like terms are numbers like have the same variable or look the sme

Answer:

the answer is A

Step-by-step explanation:

did it not the long ago

Answer:

  54 million

Step-by-step explanation:

You want the population after 90 minutes if it starts at 2 million and triples every 30 minutes.

After 30 minutes, the population is ...

  3 × 2 million = 6 million

After another 30 minutes (60 minutes, total), the population is ...

  3 × 6 million = 18 million

After a total of 90 minutes, the population has tripled again to ...

  3 × 18 million = 54 million

The number after 90 minutes is about 54 million.

There are two ways to approach this.

The first is to just check with equation works with both points by plugging in x=6 and seeing if you get y=3, from the point (6,3), and then repeating that process with (4,1).

Checking (6,3) on y = -1x+5:

    y = -1(6)+5 = -1     -> no good.

Checking (6,3) on y = x-3:

    y = 6-3 = 3           -> check

Checking (6,3) on y = x+5:

    y = 6+5 = 11          -> no good.

Checking (6,3) on y = -1x+3:

    y = -1(6)+3 = -3     -> no good.

So that shows only y = 1x - 3 works, but you should still double check it works for (4,1).

The second option is to construct the equation, which is good to know, in case you don't have a list of equations to check.

For this, you need to calculate the slope, using \(m=\dfrac{y_2-y_1}{x_2-x_1}\), and then use that slope to find the y-intercept, (0,b).

Step 1: slope

    \(m=\dfrac{1-3}{4-6} = \dfrac{-2}{-2} = 1\)

Step 2: find y-intercept

Start by setting up the slope-intercept form with the slope we just found and then plug in one of the points:

    \(y=1x+b\), which becomes \(3 = 1(6)+b\) using (6,3).

   Solving this for b, you find b=-3.

Step 3: put it all together:

   m = 1 and b = -1 gives you

   y = 1x -3

Both ways work and are valid.  Context will indicate which one is best.

The argument used by the team member was that a single line is used to differentiate the space into two. This is will make the presentation more attractive. Even if there are higher-dimensional data the lines will generalize into planes and hyperplanes. So according to the team member, it would be better to use Logistic Regression.

When we use the classification tree presentation the data will be mixed up and will clash against each other. So using the Logistic Regression will be better as this divides the data set into two separate parts. So, if the data are not linearly separable then only we should use the Classification Method.

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ok

Volume of a rectangular prism = 11 x 7 x 8

= 616 m^3

the antiderivative of the function f(x) = 2 csc(x) cot(x) sec(x) tan(x) is F(x) = 2x + C.

To find the antiderivative F(x) of the function f(x) = 2 csc(x) cot(x) sec(x) tan(x), we can simplify the expression and integrate each term individually.

We know that csc(x) = 1/sin(x), cot(x) = 1/tan(x), sec(x) = 1/cos(x), and tan(x) = sin(x)/cos(x).

Substituting these values into the expression:

f(x) = 2 * (1/sin(x)) * (1/tan(x)) * (1/cos(x)) * (sin(x)/cos(x))

= 2 * (1/sin(x)) * (1/(sin(x)/cos(x))) * (sin(x)/cos(x)) * (sin(x)/cos(x))

= 2 * (1/sin(x)) * (cos(x)/sin(x)) * (sin(x)/cos(x)) * (sin(x)/cos(x))

= 2 * 1

= 2

The antiderivative of a constant function is simply the constant multiplied by x. Therefore:

F(x) = 2x + C

where C represents the constant of the antiderivative.

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The resulting reflection will be (4,-5) and will be followed by (-4,-5).

A coordinate system in geometry is a system that employs one or more integers, or coordinates, to define the position of points or other geometric components on a manifold such as Euclidean space. The ordinate is the distance of a point from the x-axis scaled with the y-axis. Coordinates are the abscissa and ordinate combined. A series of data indicating a precise position. On graphs, it is typically represented by a pair of numbers: the first number represents the distance along, while the second number represents the distance up or down. For instance, the point (12,5) is 12 units long and 5 units high.

Here,

given coordinates=(4,5)

Firstly, reflecting across x axis, point (x,y) turns to (x, -y).

=(4,-5)

Secondly, reflecting (x,-y) across y-axis, point (x,-y) turns to (-x,-y).

=(-4,-5)

The resultant reflection will lead (4,-5) followed by (-4,-5).

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the Department of Education receives about 65 percent of the federal funds transferred to state governments.

First, you need to identify what type of information is being asked for in the question. In this case, the question is asking which department receives a certain percentage of federal funds transferred to state governments.

Next, you need to research the answer. You can find the answer to this question by looking at the U.S. Department of Education website or other reliable sources.

The answer is that the Department of Education receives about 65 percent of the federal funds transferred to state governments.

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Let:

the linear function goes through the points (-4,2) and (4,-4) has a slope of -3/4

and the linear function shown on the graph has a slope of -2/5

the linear function that goes through the points (-4,2) and (4,-4) has the larger slope

The rate of change is also known as the slope. The formula to find the slope of a line is (y2 - y1) / (x2 - x1).

You can use any two points, as long as both are on the line.

Point 1 = (2, 55)

Point 2 = (8, 220)

slope = (220 - 55) / (8 - 2)

slope = 165 / 6

slope = 55 / 2 = 27.5 / 1

Lavaughn earns $27.50 for working one hour.

Hope this helps!

The correct answer for the first question is D. The data are discrete because the data can take on any value in an interval.

Quiz scores from a college level statistics course are analyzed to determine student progress. This is not a voluntary response sample because the students taking the quiz are required to participate, and their scores are collected for the purpose of analyzing their progress.

For the second question, the data described, which is the number of donations a charity receives each month, is discrete. Discrete data can only take on specific values and cannot be divided into smaller, meaningful intervals. In this case, the number of donations can only be whole numbers, such as 0, 1, 2, and so on. It cannot take on any value in an interval or be represented by fractions or decimals. Therefore, the data is discrete.

It is important to distinguish between discrete and continuous data when analyzing and interpreting data, as different statistical methods and techniques are used for each type. Discrete data is usually counted or measured in whole numbers, while continuous data can take on any value within a given range or interval.

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Answer:

2070 / 6930 = 0.2987.....x 100 = 29.87%

Answer:

internet ruined me

Step-by-step explanation:

Answer:

I believe that your answer is a

Step-by-step explanation:

I remember that the exponent would be multiplied by both sides.

Answer: A

Step-by-step explanation:

the answer is b because if you

multiply it inside and get the exponents the answer

so the answer is A

Hope this helps :)