10. Find the rate of change in the table below.
Show all work.
х
18
20
22
24
y
4.5
5
5.5
6

The reasoning presented lacks explicit explanations and logical connections between the steps, making it difficult to fully understand the intended proof strategy.

The given proof aims to show that the Separation Axioms can be derived from the Replacement Schema using a particular construction involving a formula p(x, y). Let's analyze the proof step by step:

Define the formula p(x, y) as x = yo(x).

This formula states that for each x, y pair, x is equal to the unique object y such that y is obtained by applying the operation o to x.

Define the set F as {(x, x) (x)}.

This set F contains pairs (x, x) where x is the unique object obtained by applying the operation (x) to x.

Claim: F(X) = {y (x = X)p(x, y)} = {y: (x = X)x = y^o(x)} = {x: (3x € X)o(x)} = {x X: (x)}.

This claim asserts that F(X) is equivalent to {y (x = X)p(x, y)}, which is further equivalent to {y: (x = X)x = y^o(x)}, and so on.

The proof states that since (x, y) satisfies the functional formula VaVyVz(p(x, y)^(x, z) y = z), it follows that (x, y) is a functional formula.This step emphasizes that the formula p(x, y) satisfies certain properties that make it a functional formula, which is relevant for the subsequent deductions.

Finally, the proof concludes that the Separation Axioms follow from the Replacement Schema, based on the previous steps.

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Answer:

The answer is A

Step-by-step explanation:

The value of x must be less than zero for the expression to make sense

The value of x must be less than zero for the expression to make sense

The value of x must be greater than zero for the expression to make sense

For each of the expressions to make sense, the values inside the square root must be greater than zero.

For the expression \(\sqrt{-2x^2}\)

-2x^2 > 0

x^2 < 0/-2

x^2 < 0

x < 0

The value of x must be less than zero for the expression to make sense

For the expression \(\sqrt{(-2x)^3}\)

(-2x)^3 > 0

-8x^3 > 0

x^3 < 0/-8

x^3 < 0

x < 0

The value of x must be less than zero for the expression to make sense

For the expression \(\sqrt{(-2x)^2}\)

(-2x)^2 > 0

2x^2 > 0

x^2 > 0

x > 0

The value of x must be greater than zero for the expression to make sense

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Answer:

Step-by-step explanation:

Answer:

upper diagram

12

Step-by-step explanation:

Diagram:

The upper diagram shows 4 penalty kicks made and 1 missed.

That is a ratio of 4 to 1 of penalty kicks made to penalty kicks missed.

Answer: upper diagram

Number of penalty goals made and missed:

We can guess the numbers until the numbers work.

For each number of missed kicks we guess, we guess 4 times as many kicks he made.

For example, we guess 1 missed kick and 4 kicks he made.

First guess:

Maybe he made 4 and missed 1.

4 - 1 = 3, not 9, so this is not the answer.

Second guess:

Maybe he made 8 and missed 2.

8 - 2 = 6, not 9, so this is not the answer.

Third guess:

Maybe he made 12 and missed 3.

12 - 3 = 9, which is what we need, so this is the answer.

He made 12 and missed 3

Answer: 12

The speed of the plane is equal to 120 mph.

In Mathematics and Geometry, speed is the distance covered by a physical object per unit of time. This ultimately implies that, speed can be measured by using miles per hour (mph).

Mathematically, the speed of any a physical object can be calculated by using this formula;

Speed = distance/time

Time = distance/speed

Let the variable s represent the speed of the plane in miles per hour. Therefore, an equation that models the situation can be written as follows;

240/s = 80/s - 80

80s = 240s - 19200

19200 = 160s

s = 19200/160

s = 120 mph.

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Answer:

The value of x is 6.14

Step-by-step explanation:

Given triangle is a right angled triangle

So we can use trigonometric ratios to find the value of x.

We have to choose a trigonometric ratio that involves hypotenuse and base as we only know one of these and angle

We will use cosine ratio

\(cos\ 47 = \frac{base}{hypotenuse}\\0.68199 = \frac{x}{9}\\0.68199*9 = x\\x = 6.13791\)

Rounding off to nearest hundredth

x = 6.14

Hence,

The value of x is 6.14

Answer:

41/24

Step-by-step explanation:

Answer:

41/24

Step-by-step explanation:

transform the expression

add the numbers

alternate form

Answer:

b = 4/3

m = -5/3

Step-by-step explanation:

3=-m+b

-2=2m+b

Subtract the second equation from the first

3=-m+b

-( -2=2m+b)

------------------------

  3=-m+b

+ 2=-2m-b

------------------------

5= -3m +0b

Divide by -3

5/-3 = -3m/-3

-5/3 = m

Now we can find b

3=-m+b

3 = - (-5/3) +b

3 = 5/3 +b

Subtract 5/3 from each side

3 -5/3 = b

9/3 - 5/3 = b

4/3 =b

Answer:

I think it's option B

Answer:

9 3                 (the 9 and 3 are seprete0

Step-by-step explanation:

A point on the scatter plot is defined as (19, 3), which means that an input of 19 is mapped to an output of 3.

The scatter plot is built inserting all the points of the table in a graph, which are in the following input-output format:

(Input, Output).

One point on the scatter plot for this problem has the coordinates given as follows:

(19, 3).

Hence the meaning is that an input of 19 is mapped to an output of 3.

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Answer:

$3040 profit made

Step-by-step explanation:

$13×95=$1235 cost to make all the shoes they sold

$45×95=$4275 money she made

$4275-$1235=$3040 profit

The v can be written as a linear combination of u1, u2, and u3 as:

v = -(1/9)u1 + (5/3)u2 - (4/3)u3

To find the linear combination of u1, u2, and u3 that equals v, we can use the method of solving a system of linear equations.

The equation for v in terms of u1, u2, and u3 is:

v = a1u1 + a2u2 + a3u3

where a1, a2, and a3 are the coefficients of the linear combination.

Plugging in the given values for v, u1, u2, and u3:

(-1,7,2) = a1(3,2,8) + a2(1,-3,-1) + a3(-2,1,-3)

We can solve this system of equations by equating the corresponding entries of the two vectors:

-1 = 3a1 + a2 - 2a3

7 = 2a1 - 3a2 + a3

2 = 8a1 - a2 - 3a3

We can then use any method to solve the system of equations, such as substitution, elimination or Cramer's rule.

By solving the system of equations we get:

a1 = -(1/9), a2 = (5/3), a3 = -(4/3)

Therefore, v can be written as a linear combination of u1, u2, and u3 as:

v = -(1/9)u1 + (5/3)u2 - (4/3)u3

It is possible to write v as a linear combination of u1, u2, and u3.

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The length of the hypotenuse of the sail is 18.30 feet long.

The Pythagoras theorem states that the square of the longest side must be equal to the sum of the square of the other two sides in a right-angle triangle.

a² + b² = c²

Given that the sail for his sailboat is a 45-45-90 Right Triangle. 15. The base of the sail is 10.5 ft. long.

a² + b² = c²

Therefore,

15² + 10.5² = c²

c² = 15² + 10.5²

c² = 225 + 110.25

c² = 335.25

c = 18.30

Thus, the hypotenuse is 18.30 feet long.

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Answer:

2,4 3,5

Step-by-step explanation:

Answer:

-7317.8?

Step-by-step explanation:

The value of -0.6675 for the correlation coefficient of X and Y indicates that there is a negative correlation between the two variables.

The correlation coefficient, denoted as p, is a measure of the linear relationship between two random variables X and Y. It is defined as the ratio of the covariance of X and Y to the product of their standard deviations:

p = cov(X,Y) / (stdDev(X) × stdDev(Y))

To compute the correlation coefficient, we need to first calculate the covariance and the standard deviations of X and Y.

Since the marginals pdfs of X and Y are the same, we know that the expected value (mean) of X is equal to the expected value of Y, which is denoted as Mu x = Mu y = A.

The expected value of XY is given as E(XY) = 2/5.

The covariance of X and Y is defined as E((X-Mu x )(Y-Mu y )), which simplifies to E(XY) - Mu x × Mu y

Substituting the given values, we have:

cov(X,Y) = E(XY) - Mu x × Mu y = 2/5 - A²

To calculate the standard deviation of X and Y, we need to calculate the variance first. The variance of X is defined as E(X²) - (Mu x )²,

which can be easily calculated by replacing x with y in fx(x) and applying the same formula.

The standard deviation is the square root of the variance, so we have:

stdDev(X) = √(variance(X)) = √(E(X²) - (Mu x )²)

stdDev(Y) = √(variance(Y)) = √(E(Y²) - (Mu y )²) = √(E(X²) - (Mu x )²)

Now we can substitute these values into the formula for p:

p = cov(X,Y) / (stdDev(X) × stdDev(Y)) = (2/5 - A²) / (√(E(X²) - (Mu x )²) × √(E(X²) - (Mu x )²)).

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Answer:

x^2+2x+3 I sent the answer

Answer:

D

Step-by-step explanation:

RISE/RUN = slope

This slope will be POSITIVE because it rises in quadrant 1.

Rise=2, run=3

Slope= 2/3

Hope that helps

The solution of the system of linear equations is (x, y, z) = (1, 1, - 3).

In this problem we find a system of three linear equations with three variables, which can be resolved by several methods. In this case, we shall use the method of substitution. First, clear the variable x in the third equation:

x = 4 - 3 · y

Second, substitute x in the first two equations:

3 · (4 - 3 · y) + 2 · y - z = 8

12 - 9 · y + 2 · y - z = 8

- 7 · y - z = - 4

2 · (4 - 3 · y) + 2 · z = - 4

8 - 6 · y + 2 · z = - 4

- 6 · y + 2 · z = - 12

Third, clear z in the first equation derived in the previous step:

z = 4 - 7 · y

Fourth, substitute z in the second equation derived in the second step:

- 6 · y + 2 · (4 - 7 · y) = - 12

- 6 · y + 8 - 14 · y = - 12

- 20 · y = - 20

y = 1

Fifth, calculate y and x:

z = 4 - 7 · 1

z = - 3

x = 4 - 3 · 1

x = 1

The solution of the system of linear equations is (x, y, z) = (1, 1, - 3).

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Answer:

equally likely

Step-by-step explanation:

The classical approach to probability requires that the outcomes are​ equally likely.

Equally likely means the chance or possibility of selection in the sample is equal for them. None is prioritized over the other, all has the equal chance of being selected in the sample.

Given that we are using the classical approach to probability which is based on an assumption that for any procedure having random set of possible outcomes, the possibility of each outcome is equal.

Thus, the classical approach to probability requires that the outcomes are​ equally likely.

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Answer:

Step-by-step explanation:

I believe u have to factorise

(a+3)(a+5)

Answer:

A line that is parallel to y = 3x - 9 will have the same slope as the given line. The slope of y = 3x - 9 is 3. Therefore, the equation of the line that passes through (1, 2) and is parallel to y = 3x - 9 is:

y - y1 = m(x - x1)

where m is the slope and (x1, y1) is the point (1, 2)

Substituting the values we get:

y - 2 = 3(x - 1)

Simplifying the equation we get:

y - 2 = 3x - 3

y = 3x - 1

Therefore, the equation of the line that passes through (1, 2) and is parallel to y = 3x - 9 is y = 3x - 1 .

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Answer:

0

Step-by-step explanation:

-11+ 10(1p+10)=5(2p+11)+4

-11 + 10p + 100 = 10p + 55 + 4

89 + 10p = 10p + 59

0p = -30

p = 0

Answer:

pls include a screenshot of the graphs

Step-by-step explanation:

The use of internal rhyme affect the poem by: C. It helps create and maintain the poem's playful tone

Internal rhyme tend to occurs when words that are in the same line of a poem rhyme with one another.

The use of internal rhyme can tend to  add  more musical quality to a poem and it as well help to create cohesion within a line or stanza. Internal rhyme also help to a sense of playfulness in the poem.

Therefore we can conclude that the correct option is C.

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Answer:

$-69.94

Step-by-step explanation:

Amount left after the withdrawal to fix the furnace = $400.56 - $450.50 = $-49.94

He has a negative balance for 4 days. this would attract a 5 dollar fee per day. the total fee would be $20 ( 5 x 4)

Total amount left in his account = $-49.94 - $20

the probability that the sum of the faces when rolling a pair of dice is seven =1/6