Determine the value of k so the following pair of lines are parallel and distinct. r1 = [7,-1,5] + s[-3,k,k] r2 = [7,-2,5] + t[6,-4,-4]

we have

f(x)=2x^3+4x^2-2x-4

using a graphing tool

Find out the zeros of the given function

see the attached figure

the zeros are

-2, -1 and 1

that means

2x^3+4x^2-2x-4=2(x+2)(x+1)(x-1)

therefore

Answer:

B) p<5

Step-by-step explanation:

Answer:

(X-18)-3=15

3x-54=15

3x=15+54

3x=69

x=23

So jubo's number is 23

Maximizing the sum or mean difference between the residuals squared, do not accurately describe the goal of the least squares regression line.

The least squares regression line minimizes the sum of the residuals squared. This means that it aims to minimize the difference between the observed values and the predicted values squared.

This is done by finding the line that has the smallest overall distance from the data points.

The other options, such as maximizing the sum or mean difference between the residuals squared, do not accurately describe the goal of the least squares regression line.

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The least squares regression line minimizes the sum of the residuals squared.

In regression analysis, the least squares regression line is a line that best fits a set of data points by minimizing the sum of the squared differences between the observed values and the predicted values.

The residuals are the differences between the observed values and the predicted values, and squaring them ensures that negative and positive differences are both considered.

By minimizing the sum of the squared residuals, the least squares regression line finds the line that is closest to all the data points.

For example, let's say we have a dataset of 10 data points.

The least squares regression line is determined by finding the line that minimizes the sum of the squared differences between the observed values and the predicted values for each data point.

This means that the line is positioned in a way that it is as close as possible to all the data points, minimizing the overall error.

By minimizing the sum of the residuals squared, the least squares regression line provides the best fit to the data and can be used to make predictions or analyze relationships between variables.

It is widely used in various fields, including statistics, economics, and social sciences.

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Answer:

Y=23x-43

Step-by-step explanation:

Distribute 23 to (x) and (-2) = 23x-46

The bring the -3 the other side

Y=23x-43

The standard form of the equation of a parabola with a vertical axis of symmetry is (x-h)^2 = 4p(y-k), where (h,k) is the vertex and p is the distance from the vertex to the focus/directrix.

In this case, the vertex is at (0,9) (since the directrix is a vertical line and the focus is above it) and the distance from the vertex to the focus/directrix is 9.
Therefore, p = 9 and the equation is (x-9)^2 = 36(y-9).
Note that the directrix being a vertical line means the parabola is opening upwards. The standard form of the equation of a parabola with a focus at (h, k) and a directrix at x = d is given by (x - h)^2 = 4p(y - k), where p is the distance between the focus and directrix.
In this case, the focus is at (9, 9) and the directrix is at x = -9. The distance between them, 2p, is 9 - (-9) = 18, so p = 9. Thus, the standard form of the equation of the parabola is:
(x - 9)^2 = 4(9)(y - 9)
Simplified, this becomes:
(x - 9)^2 = 36(y - 9)
This is the standard form of the equation of the parabola with the given characteristics.

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Answer:  B)  The ball is 18 feet in the air after 1 second.

Step-by-step explanation:

Find the point on the graph where it hits the 1 second mark and find the value of y, 18 feet.

Step-by-step explanation:

6x-11+5x+70=180

11x+59=180

11x=121

x=11.

hope this helps you.

Answer:

x>4

Step-by-step explanation:

8x+2>34

8x+2-2>34-2

8x>32

8x/8>32/8

x>4

{x:x=4,5,6,7,8,9...}

Hope this helps ;)❤❤❤

Answer:

x>4

Step-by-step explanation:

trust

The probability that the next card Scarlett selects will have an anglerfish on it is 2/15, or approximately 0.1333.

To find the probability of selecting an anglerfish on the next card, we need to calculate the ratio of the number of anglerfish cards to the total number of cards in the deck.

From the given information, Scarlett selected 2 anglerfish cards during her previous selections.

The total number of cards she selected is 2 + 3 + 1 + 4 + 5 = 15.

Therefore, the probability of selecting an anglerfish card on the next draw is 2/15.

Calculate the total number of cards Scarlett selected.

2 + 3 + 1 + 4 + 5 = 1

Calculate the number of anglerfish cards Scarlett selected.

Scarlett selected 2 anglerfish cards.

Calculate the probability of selecting an anglerfish card on the next draw.

Probability = Number of anglerfish cards / Total number of cards

Probability = 2 / 15

Probability ≈ 0.1333

Thus, the probability that the next card Scarlett selects will have an anglerfish on it is 2/15, or approximately 0.1333.

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Answer:

\(x\) = 16°

Step-by-step explanation:

Because \(x\)° and another angle adds up to a 90° angle, or right angle, that means \(x\) will be equivalent to the difference between 90° and 19°. So \(x = 90 - 19 = 71\)°.

According to the diagram provided, Kyle is creating a frame for a model car by placing two rods together. To justify why AB equals 10, we can use the Segment Addition Postulate.

The Segment Addition Postulate states that if three points A, B, and C are collinear (meaning they lie on the same line), then point B is between points A and C if and only if the sum of the lengths of segments AB and BC is equal to the length of segment AC. In this case, the diagram shows points A, B, and C on a line, where A is the left endpoint, B is the midpoint, and C is the right endpoint. Since point B is the midpoint of segment AC, it divides the segment into two equal parts. Therefore, the length of segment AB is equal to the length of segment BC, and since the lengths are equal, we can conclude that AB is equal to 10 units. Hence, the justification for AB being 10 is based on the Segment Addition Postulate, as it guarantees that point B is the midpoint of segment AC.

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Complete question:

Kyle is creating a frame for a model car. He begins by plecing two rods together, as shown in the diagram. Justify why AB- 10. O Segment Addition Postulate O Addition Property O Definition of Collinear Points O Definition of Midpoint

(a) The probability that a household views television between 4 and 12 hours a day is 0.8864. (b) A household must view at least 12.63 hours of television/day to be in the top 4% of all television viewing households. (c) The probability that a household views television more than 3 hours a day is 0.9830.

(a) To find the probability that a household views television between 4 and 12 hours a day, we need to standardize the values using the formula:

z = (x - μ) / σ

where x is the value we want to find the probability for, μ is the mean, and σ is the standard deviation.

For x = 4 hours:

z = (4 - 8.35) / 2.5 = -1.74

For x = 12 hours:

z = (12 - 8.35) / 2.5 = 1.46

Using a standard normal distribution table or a calculator, we can find the probabilities associated with these z-scores:

P(z < -1.74) = 0.0401

P(z < 1.46) = 0.9265

Therefore, the probability that a household views television between 4 and 12 hours a day is:

P(4 ≤ x ≤ 12) = P(z < 1.46) - P(z < -1.74) = 0.9265 - 0.0401 = 0.8864 (rounded to four decimal places).

(b) To find the number of hours of television viewing a household must have in order to be in the top 4% of all television viewing households, we need to find the z-score that corresponds to the top 4% of the normal distribution:

P(z > z*) = 0.04

Using a standard normal distribution table or a calculator, we can find that the z-score that corresponds to a probability of 0.04 is approximately 1.75.

Using the formula for z-score:

z = (x - μ) / σ

We can solve for x:

x = μ + zσ = 8.35 + 1.752.5 = 12.63 (rounded to two decimal places)

Therefore, a household must view at least 12.63 hours of television per day to be in the top 4% of all television viewing households.

(c) To find the probability that a household views television more than 3 hours a day, we can standardize the value of x = 3 using the formula for z-score:

z = (x - μ) / σ = (3 - 8.35) / 2.5 = -2.14

Using a standard normal distribution table or a calculator, we can find the probability associated with this z-score:

P(z > -2.14) = 0.9830 (rounded to four decimal places).

Therefore, the probability that a household views television more than 3 hours a day is 0.9830.

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Answer:

78

Step-by-step explanation:

I'm really good at these

Answer:

Step-by-step explanation:

This is a geometric sequence with common ratio 3.

10th term = (4th term)×3¹⁰⁻⁴ = 54×3⁶ = 39366

Chess is not a static game of complete information for several reasons. Firstly, the game is dynamic, meaning that the position of the pieces on the board changes constantly throughout the game.

Unlike in games like Tic Tac Toe or Connect Four, the state of the game at any given point is not fixed, and there are a vast number of possible outcomes. This means that players cannot simply memorize the best moves and outcomes for every situation, as they would in a game of complete information.

Secondly, chess is a game of imperfect information, as both players do not know what moves their opponent will make. Even with a complete understanding of the game's rules, players cannot predict with certainty the moves of their opponent, and must instead make strategic decisions based on their best assessment of their opponent's likely choices.

Finally, chess is a game of hidden information, as players do not know what their opponent is thinking or planning. A player may be able to predict their opponent's next move, but cannot know for sure what their long-term strategy is, making it difficult to make optimal decisions.

Overall, chess is a highly dynamic and complex game that is not static or complete in terms of information. Players must make strategic decisions based on incomplete and uncertain information, making it a challenging and rewarding game for those who play it.

Chess is a strategic board game played between two players, with each player starting with 16 pieces on a 64-square board. The game has been around for centuries and is considered one of the most popular and complex games in the world.

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Answer:

its called a calculator division and multiplication

Step-by-step explanation:

The equation of the line that is parallel to the line y=-(5)/(6)x+ 3 and passes through the point (10, 7) is y = -(5/6)x + 67.

A parallel line is a line that is equidistant from another line and runs in the same direction.

Consider the given line:

y = -(5/6)x + 3

The slope of the given line is -(5/6).

The slope of a line parallel to this line is the same as the slope of the given line.Using point-slope form, we can write the equation of the line that passes through the point (10, 7) and has a slope of -(5/6) as follows:

y - y1 = m(x - x1)

where (x1, y1) = (10, 7), m = -(5/6).

Plugging in the values, we get:

y - 7 = -(5/6)(x - 10)

Multiplying both sides by 6 to eliminate the fraction, we get:

6y - 42 = -5x + 50

Rearranging and simplifying, we get:

5x + 6y = 92

The equation of the line that is parallel to the line y=-(5)/(6)x+ 3 and passes through the point (10, 7) is y = -(5/6)x + 67.

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Answer:

a=80° b=40°

Step-by-step explanation:

a=80 (vertically opposite angles )

a+b+90+150 = 360° ( angle sum property of quadrilateral )

80+b+90+150 = 360

b+ 320 = 360

b= 360-320

b=40°

Answer:

(0,-2)

Step-by-step explanation:

Answer:

\( \frac{7}{2} \\ = 3 \frac{1}{2} \)

Answer:

6,942 steps left!

Step-by-step explanation:

OK so this is easy so we know that if 1 / 19 = 0.052 we minus that by - 3 because - 3 is our exponent that gives us 3.052 so now we just take 3.052 - 10,000 which gives us exactly 6942 you two steps so he needs 6942 steps left

Answer:

3,141 steps

Step-by-step explanation:

Let x be equal to the number of steps he needs to reach his goal

10,000 = \((\frac{1}{19} )^{-3}\)+ x

10,000 = 6,859 + x

3,141 = x

Answer:

60$ and 10$ dollar maybe

Answer:

Step-by-step explanation:

I cannot find the value of x because 5x+35 is an algebraic expression, not an equation.

Answer:

The function is non linear.

Step-by-step explanation:

Answer:

The function is nonlinear

Step-by-step explanation:

I got it wrong when i guessed something else

The statement "the precision of your answer is determined by the largest place of significance when adding and subtracting" is False because The precision of your answer is determined by the number of decimal places when adding and subtracting.

For example, if one number is given to the nearest hundredth and the other is given to the nearest tenth, then the result should be given to the nearest tenth. This is because the tenths place is the largest place of significance in this case.

When adding and subtracting, it is important to take into account the precision of each number before adding or subtracting.

If one number is given to the nearest tenth and the other is given to the nearest hundredth, then the result should be given to the nearest hundredth, as the hundredths place is the largest place of significance.

The same applies for any other number of decimal places.

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The correct statements about the equation are b, c, and e.

\(\rm 4.9x-(-3)=12.8\\\\ 3+4.9x=12.8\\\\12.8=4.9x+3\)

The highest power of the polynomial is called the degree of the polynomial.

We have to determine

Which equation accurately represents this statement?

Statement; Negative 3 less than 4.9 times a number, x, is the same as 12.8.

Then,

The equation accurately represents this statement is;

\(\rm 4.9x-(-3)=12.8\\\\4.9x+3=12.8\\\\4.9x=12.8-3\\\\4.9x=9.8\\\\x=\dfrac{9.8}{4.9}\\\\x=2\)

Hence, the correct statements about the equation are b, c, and e.

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Answer:

b,c,e

Step-by-step explanation: