evaluate the integral x(x − 3)^7/2 dx by making the substitution u = x − 3. after substituting we have: (in terms of u, du and c). ∫ ____ = ___ (BEFORE RESUBSTITUTION). After resubstitution we have: (in terms of x and C) . ∫ x(x − 3)^7/2 dx = ____.

The probability that the chosen adult have high school or some college degree but no college degree is 0.683.

From the definition of probability we know that,

Probability of Event = (Outcomes favorable to that event)/(Total number of outcomes under that event)

Total number of adults in the town is given by = 4286 + 6313 + 3033 + 1886 = 15518.

The number of adults have high school degree only = 4286

The number of adults have some college degree only = 6313

The number of adults have high school or some college degree but no college degree = 4286 + 6313 = 10599.

The probability that the chosen adult have high school or some college degree but no college degree is given by

= 10599/15518 [According to definition of probability]

= 0.683 [Rounding off to nearest thousandth]

Hence, probability that the chosen adult have high school or some college degree but no college degree is 0.683.

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The question is incomplete. The complete question will be -

Answer:

False they are 2 different things

Step-by-step explanation:

Answer:

[tex]\huge\boxed{\sf False}[/tex]

Step-by-step explanation:

We know that,

Since mass is a constant quantity, it does not change. But, weight depends upon the gravity of any planet or atmosphere and changes accordingly. That is why weight and mass can never be the same unless g = 1.

[tex]\rule[225]{225}{2}[/tex]

The first five coefficients, we have: f(x) = e⁻² + e⁻²(x + 2) + (e⁻²/2)(x + 2)² + (e⁻²/6)(x + 2)³ + (e⁻²/24)(x + 2)⁴ + ..

To find the Taylor series for the function f(x) = eˣ about x = -2, we can use the general formula for the Taylor series expansion:

f(x) = ∑n=0^∞ c_n(x - a)ⁿ

where c_n represents the nth coefficient, (x - a)^n is the term raised to the nth power, and a is the point about which we are expanding the series.

In this case, we want to find the Taylor series for f(x) = eˣ about x = -2. So, a = -2.

To find the coefficients c_n, we can use the formula:

c_n = (1/n!) * fⁿᵃ

where f^(n)(a) denotes the nth derivative of f evaluated at x = a.

Let's find the first five coefficients:

Step 1: Find f(x) and its derivatives:

f(x) = eˣ

f'(x) = eˣ

f''(x) = eˣ

f'''(x) = eˣ

f''''(x) = eˣ

Step 2: Evaluate the derivatives at x = -2:

f(-2) = e⁻²

f'(-2) = e⁻²

f''(-2) = e⁻²

f'''(-2) = e⁻²

f''''(-2) = e⁻²

Step 3: Calculate the coefficients:

c_0 = f(-2)/0! = e⁻²/1 = e⁻²

c_1 = f'(-2)/1! = e⁻²/1 = e⁻²

c_2 = f''(-2)/2! = e⁻²/2 = e⁻²/2

c_3 = f'''(-2)/3! = e⁻²/6 = e⁻²/6

c_4 = f''''(-2)/4! = e⁻²/24 = e⁻²/24

Therefore, the first five coefficients for the Taylor series expansion of f(x) = eˣ about x = -2 are:

c_0 = e⁻²

c_1 = e⁻²

c_2 = e⁻²/2

c_3 = e⁻²/6

c_4 = e⁻²/24

The Taylor series for f(x) = e^x about x = -2 can be written as:

f(x) = ∑n=0^∞ c_n(x + 2)ⁿ

Substituting the first five coefficients, we have: f(x) = e⁻² + e⁻²(x + 2) + (e⁻²/2)(x + 2)² + (e⁻²/6)(x + 2)³ + (e⁻²/24)(x + 2)⁴ + ..

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To understand which options are members of f(4), we need to first understand what the function f is doing.

The function takes an element x from the set Z12 and returns a set of elements y from Z12 such that y^2 (y squared) is equal to x. In other words, f(x) gives us all the elements in Z12 that have a square equal to x. Now, let's apply this definition to f(4). We want to find all the elements y in Z12 such that y^2 is equal to 4. One way to do this is to simply try squaring each element in Z12 until we find one that equals 4.

However, we can also use some algebraic tricks to simplify the process. For example, we can notice that (12-2)^2 = 4, which means that -2 is a member of f(4). Similarly, we can notice that (12+2)^2 = 4, which means that 2 is also a member of f(4). We can also use the fact that (a+b)^2 = a^2 + 2ab + b^2 to see that 8 and 10 are also members of f(4), since 8+8 = 16 = 4 mod 12 and 10+10 = 20 = 8 mod 12.

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The value of x from each diagram is;

(6x - 24)° + (2x + 12)° = 180°

The sum of angle on a straight line is 180°

6x - 24 + 2x + 12 = 180

8x - 12= 180

8x = 180 - 12

8x = 168

x = 168/8

x = 21

(2x + 17)° = (3x - 4)°

Alternate angles are equal

2x + 17 = 3x - 4

2x - 3x = -4 - 17

-x = -21

x = 21

3x° + (x - 20)° = 180°

Alternate interior angles are equal to 180°

3x + x - 20 = 180

4x - 20 = 180

4x = 180 + 20

4x = 200

x = 40

(x + 24)° + 2x° = 180°

Alternate interior angles are equal to 180°

x + 24 + 2x = 180

3x + 24 = 180

3x = 180 - 24

3x = 156

x = 52

(2x - 10)° = (x + 40)°

Vertical opposite angles are equal

2x - 10 = x + 40

2x - x = 40 + 10

x = 30

(3x - 10)° + (2x + 30)° = 180°

The sum of angle on a straight line is 180°

3x - 10 + 2x + 30 = 180.

5x + 20 = 180

5x = 180 - 20

5x = 160

x = 160/5

x = 32

(x - 15)° + 2x° = 90°

Complementary angles

x - 15 + 2x = 90

3x - 15 = 90

3x = 90 + 15

3x = 105

x = 105 /3

x = 35

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A differential equation is a mathematical equation that relates a function to its derivatives. It involves the unknown function and one or more of its derivative. The solution to the differential equation -

xy' − 2y = x^2, x > 0

is y = (1/4)x^3 + C/x.

To solve the differential equation, we will use the method of integrating factors.

The differential equation is: xy' - 2y = x^2

We can rearrange it in the standard form: y' - (2/x)y = x

The integrating factor (IF) is defined as e^∫(2/x) dx. Integrating 2/x with respect to x gives us 2ln|x|.

Therefore, the integrating factor is IF = e^(2ln|x|) = e^(ln(x^2)) = x^2.

Now, multiply the entire equation by the integrating factor x^2:

x^2(y' - (2/x)y) = x^2(x)

x^2y' - 2xy = x^3

Next, we recognize that the left-hand side is the derivative of (xy) with respect to x. Applying this, we get:

d/dx(xy) = x^3

Integrating both sides with respect to x:

∫d(xy) = ∫x^3 dx

xy = (1/4)x^4 + C

Finally, divide both sides by x:

y = (1/4)x^3 + C/x

where C is the constant of integration.

So, the solution to the given differential equation is y = (1/4)x^3 + C/x.

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The image of the reflection over the x-axis is (-7, 3)

Remember that for a general point (x, y), a reflection over the x-axis just changes the sign of the y-value.

Then the transformation is:

(x, y) --> (x, -y)

If here the point is (-7, -3)

This transformation will give us:

(-7, -3) ---> (-7, -(-3)) = (-7, 3)

That is the image of the reflection.

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The escape velocity from Earth is approximately 11,186 meters per second (m/s).

Escape velocity refers to the minimum velocity an object needs to escape the gravitational pull of a celestial body, such as Earth. To calculate the escape velocity from Earth, we can use the formula:

v = √(2GM/r)

Where G is the gravitational constant (6.67430 × 10^-11 N m²/kg²), M is the mass of the planet (5.97 × 10^24 kg), and r is the radius of the planet (6.38 × 10^6 m).

Plugging in these values, we can calculate:

v = √(2 * 6.67430 × 10^-11 N m²/kg² * 5.97 × 10^24 kg / 6.38 × 10^6 m) = 11,186 m/s

Therefore, the escape velocity from Earth is approximately 11,186 m/s. This means that an object needs to reach this velocity to overcome Earth's gravitational pull and venture into space.

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To solve this problem, we can use the equations of motion for a projectile. First, we need to find the horizontal and vertical components of the initial velocity. The horizontal component is given by Vx = Vcosθ = 525cos30° = 454.5 m/s, and the vertical component is given by Vy = Vsinθ = 525sin30° = 262.5 m/s.

To find the time of flight, we can use the equation t = 2Vy/g, where g is the acceleration due to gravity (9.8 m/s^2). Substituting the values, we get t = 2(262.5)/9.8 = 53.57 s.

To find the range, we can use the equation R = Vx*t, where R is the range. Substituting the values, we get R = 454.5*53.57 = 24,362.65 m.

To find the greatest height reached, we can use the equation h = Vy^2/(2g), where h is the maximum height. Substituting the values, we get h = 262.5^2/(2*9.8) = 3,482.32 m.

Therefore, the projectile will have a range of 24,362.65 m, a time of flight of 53.57 s, and the greatest height reached will be 3,482.32 m.

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The projectile has a range of 13,596.4 m, a time of flight of 53.6 seconds, and reaches a maximum height of 3,399.1 m.

Given a projectile fired at an angle of 30° with an initial speed of 525 m/s, we can find the range (R), time of flight (T), and maximum height (H) using the following formulas:

1. Range (R) = (v² * sin(2 * θ)) / g
2. Time of Flight (T) = (2 * v * sin(θ)) / g
3. Maximum Height (H) = (v² * sin²(θ)) / (2 * g)

Where v is the initial speed, θ is the angle, and g is the acceleration due to gravity (approximately 9.81 m/s²).

1. R = (525² * sin(60°)) / 9.81 ≈ 13,596.4 m
2. T = (2 * 525 * sin(30°)) / 9.81 ≈ 53.6 s
3. H = (525² * sin²(30°)) / (2 * 9.81) ≈ 3,399.1 m

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The probability that Livi is responsible for the list today, given that it is on time, is approximately 0.2959 or 29.59%.

To calculate the probability that today Livi is responsible for the list given that it is on time, we can use Bayes' theorem.

Let's define the events

A: Livi is responsible for the list

B: The list is on time

We are given

P(A) = 0.3 (Livi works on the lists 30% of the days)

P(B|A) = 0.9 (Livi gets the lists to the correct principals in time 90% of the time)

P(B|not A) = 0.92 (Caitlyn gets the tardy lists to the correct principals 92% of the time)

We want to calculate

P(A|B) (The probability that Livi is responsible for the list given that it is on time)

By Bayes' theorem

P(A|B) = (P(A) * P(B|A)) / [P(A) * P(B|A) + P(not A) * P(B|not A)]

Substituting the given values:

P(A|B) = (0.3 * 0.9) / [0.3 * 0.9 + (1 - 0.3) * 0.92]

P(A|B) = 0.27 / (0.27 + 0.7 * 0.92)

P(A|B) = 0.27 / (0.27 + 0.644)

P(A|B) = 0.27 / 0.914

P(A|B) ≈ 0.2959

Therefore, the probability that today Livi is responsible is approximately 0.2959 or 29.59%.

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Driving a personal car would be the most cost-effective mode of transportation for this commute, with a total daily cost of approximately $4.60 ($3.60 for gas + $1 for travel time).

Based on the given information, the most cost-effective mode of transportation for this commute would be to drive a personal car. Taking public transportation or carpooling may be more environmentally friendly options, but they may not save as much money as driving alone.

Assuming an average speed of 60 miles per hour on the highway, the commute would take approximately 20 minutes each way, or 40 minutes round-trip. This means the total cost of travel time for each workday would be $40 ($60/hour x 2/3 hour).

Using a cost calculator such as GasBuddy, we can estimate that the cost of driving 20 miles per day (round-trip) would be around $3.60 per day, assuming an average fuel efficiency of 25 miles per gallon and a gasoline price of $2.50 per gallon.

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a) Group 1 appears to have lost more weight, due to the higher median.

b) The two groups appear to have the same variability in weight lost, due to the same interquartile range.

c) A negative weight loss means that the person gained weight.

d) The group 1 appears to be better than group 2, as it's box contain higher weight losses.

A box and whisker plots shows these five metrics from a data-set, listed and explained as follows:

For item a, to look at who lost more weight, we should look at the median, which is of 10 for group 1 and 4 for group 2.

For item b, for variability, we look at the interquartile range, which is the length of the box, and is the same for each item.

For item c, a negative weight loss means that the person in fact gained weight.

For item d, we look at which box has the higher values(higher weight loss), and Group 1 has the higher values at the boxes.

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The model for data is  μ + τ + ε.  Independent variable: Treatment, Dependent variable: Number of days until healing is complete. An anova table is given. The value of F-ratio is -10.72 is negative and the mean squares within treatments (MSW) is negative.

To solve the given problem, we need to perform the one-way ANOVA analysis using the provided data. Let's go through the steps

(a) The model of the one-way ANOVA for the given data:

Number of days = μ + τ + ε

where μ is the overall mean, τ represents the treatment effect, and ε is the random error.

(b) The independent variable is the treatment (A, B, C), and the dependent variable is the number of days from initial appearance of the blisters until healing is complete.

(c) Constructing the ANOVA table:

First, calculate the necessary values:

Treatment A: Number of days (5, 8, 7, 7)

Mean (μA) = (5 + 8 + 7 + 7) / 4 = 6.75

Treatment B: Number of days (4, 6, 6, 6, 3, 3)

Mean (μB) = (4 + 6 + 6 + 6 + 3 + 3) / 6 = 4.67

Treatment C: Number of days (6, 4, 5)

Mean (μC) = (6 + 4 + 5) / 3 = 5

Overall mean (μ) = (6.75 + 4.67 + 5) / 3 = 5.81

Next, calculate the sum of squares (SS)

SSA = 4 * (6.75 - 5.81)² + 6 * (4.67 - 5.81)² + 3 * (5 - 5.81)² = 10.08

SST = 4 * (5 - 5.81)² + 6 * (6 - 5.81)² + 3 * (5 - 5.81)² = 4.92

SSW = SST - SSA = 4.92 - 10.08 = -5.16 (negative value due to small sample sizes)

Next, calculate the degrees of freedom (df)

dfA = k - 1 = 3 - 1 = 2

dfT = N - 1 = 14 - 1 = 13

dfW = dfT - dfA = 13 - 2 = 11

Next, calculate the mean squares (MS)

MSA = SSA / dfA = 10.08 / 2 = 5.04

MSW = SSW / dfW = -5.16 / 11 = -0.47 (negative value due to small sample sizes)

Finally, calculate the F-ratio

F = MSA / MSW = 5.04 / -0.47 = -10.72 (negative value due to small sample sizes)

(d) Based on the study, we cannot conclude whether there is a difference between the four treatments with respect to healing time at the 0.5% level of significance because the F-ratio value is negative and the mean squares within treatments (MSW) is negative.

These indicate issues with the data and violate the assumptions of the ANOVA test. Further investigation or additional data may be necessary.

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--The given question is incomplete, the complete question is given below " table value is given Treatment A Number of days 5 8 7 7. Treatment B Number of days  4 6 6 6 3 3. Treatment C Number of days 6 4 5 . Treatment D Number of days 7 4 6.  

Four treatments for fever blisters were randomly assigned to 14 patients. The data above shows the number of days from initial appearance of the blisters until healing is complete for each treatment.  (a) Write the model of the one-way ANOVA for the given data. (1 Mark) (b) Identify the independent and dependent variables. (2 Marks) (c) Construct an ANOVA table. (12 Marks) (d) Based on the study, can we conclude that there is no difference between the four treatments with respect to healing time at 0.5% level of significance? (5 Marks)"--

Answer:

D

Step-by-step explanation:

Square Root is the opposite operation of squared

We have to find the opposite operation of squared.

The opposite operation of squaring (an exponent of 2) is taking the square root.

In the given example, if we have c² = 49, the opposite operation would be taking the square root of both sides:

√(c²) = √49

So, taking the square root "undoes" the squaring operation and gives us the original value of c.

In left side the square and square root will be cancelled and left with c.

c= √49

We know that 49 is a perfect square, 49 = 7².

c= √7²

Now the root and square undoes in the right side of the equation.

c = ±7

Therefore, the opposite operation of squared is Square Root

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Answer:

See below.

Explanation:

First look at image attached

From the information given, we can solve this using the Sine Rule:

The sine rule states that:

sin

A

a

=

sin

B

b

=

sin

C

c

Finding angle C. Since we know angle A and side a, we will use:

sin

A

a

=

sin

C

c

sin

(

70

o

)

25

=

sin

C

26

⇒

sin

C

=

26

sin

(

70

o

)

25

=

0.9778

C

=

sin

−

1

(

sin

C

)

=

sin

−

1

(

0.9778

)

=

77.76

o

Angle

B

=

180

o

−

(

70

o

+

77.76

o

)

=

32.24

o

Side b:

sin

(

70

o

)

25

=

sin

(

32.24

o

)

b

⇒

b

=

25

sin

(

32.24

o

)

sin

(

70

o

)

=

14.19

So the solution is:

A

=

70

o

B

=

32.24

o

C

=

77.76

o

a

=

25

b

=

14.19

c

=

26

When the two values compared by the NULLIF function are equal, the function returns a NULL value. This is because the NULLIF function is designed to return NULL when the two compared values match, allowing for easier handling of data in certain situations.

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The two values compared by the nullif function are equal, the function will return a null value. This is because the nullif function compares two expressions and returns a null value if they are equal, otherwise it returns the first expression. In other words, nullif will only return a non-null value if the two expressions being compared are not equal.

the nullif function is commonly used in SQL to handle null values in expressions or comparisons. It allows you to substitute a null value with another value or nullify an expression if a specific condition is met. If the two values compared by the nullif function are equal, it means that the expression is nullified, and the function will return a null value.

the nullif function is a useful tool for handling null values in SQL. If the two values compared by the function are equal, it will return a null value. It is important to keep this in mind when using the function in your SQL queries.
Hi! I'd be happy to help with your question.

If the two values compared by the NULLIF function are equal, the function returns a NULL value.

The NULLIF function compares two expressions and returns a NULL value if they are equal. Otherwise, it returns the value of the first expression. The syntax for the NULLIF function is: NULLIF(expression1, expression2).

the NULLIF function returns NULL when the two compared values are equal, and the value of the first expression when they are not equal.

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You do not add or subtract.

The given angle and the angle you are solving for are congruent, or have the same measure. You would have to do: 120 = 5x in order to solve this question.

120 = 5x

24 = x would be your answer.

Some small groups communicate remotely because their members are geographically dispersed, making face-to-face communication impractical.

In today's interconnected world, many small groups or teams operate across different cities or countries. Whether they are working on a project, conducting research, or collaborating on a task, face-to-face communication may not be feasible due to the geographic separation. As a result, these groups turn to remote communication methods to bridge the distance and maintain effective communication.

Remote communication enables group members to interact and exchange information through various means such as video conferencing, email, instant messaging, or collaborative platforms. These tools allow real-time or asynchronous communication, facilitating discussions, decision-making, and sharing of ideas, despite the physical separation.

By leveraging remote communication technologies, small groups can overcome the challenges of distance and achieve effective collaboration. It enables them to stay connected, coordinate their efforts, and maintain productive teamwork, regardless of their locations. While face-to-face communication may offer certain advantages, remote communication provides a practical solution for geographically dispersed groups to work together efficiently and achieve their common goals.

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Answer:To calculate the probability that the first three letters chosen by Alexis from the word "DINOSAUR" are vowels, we first need to determine the total number of possible outcomes and the number of favorable outcomes.

Total number of outcomes:

The word "DINOSAUR" has a total of 8 letters.

Number of favorable outcomes:

Out of the 8 letters, there are 3 vowels (I, O, U).

To calculate the probability, we divide the number of favorable outcomes by the total number of outcomes:

Probability = Number of favorable outcomes / Total number of outcomes

Probability = 3 / 8

Simplifying, we find that the probability is:

Probability = 3/8

Therefore, the probability that the first three letters chosen by Alexis are vowels from the word "DINOSAUR" is 3/8.

Step-by-step explanation:

Answer:50%

Step-by-step explanation:count how many vowels there are in the word and then count the total number of letters in the

False. Not every smooth curve has exactly one admissible parametrization. Admissible parametrizations refer to a specific way of representing a curve using a parameter, which satisfies certain conditions such as being injective and differentiable.

However, there may be multiple ways to parameterize the same curve while still maintaining these conditions. For example, the unit circle can be parametrized by both (cos(t), sin(t)) and (cos(2t), sin(2t)), both of which are admissible. Therefore, it is possible for a smooth curve to have more than one admissible parametrization.
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The given series, ∑(n=6 to ∞) [tex](n-5)^4[/tex]/[tex]n^{11}[/tex], converges.

To determine whether the series converges or diverges, we can analyze the behavior of its terms as n approaches infinity.

Let's examine the individual terms of the series, [tex](n-5)^4[/tex]/[tex]n^{11}[/tex].

As n approaches infinity, the term  [tex](n-5)^4[/tex] grows at a slower rate compared to [tex]n^{11}[/tex].

This is because the term  [tex](n-5)^4[/tex]  represents a polynomial function of n with a lower degree (4) compared to [tex]n^{11}[/tex].

Since the numerator  [tex](n-5)^4[/tex]  grows at a slower rate than the denominator  [tex]n^{11}[/tex], the ratio  [tex](n-5)^4[/tex] / [tex]n^{11}[/tex]  approaches zero as n approaches infinity.

Therefore, the terms of the series become arbitrarily close to zero as n increases.

By the convergence test, if the terms of a series approach zero as n approaches infinity, the series converges.

In this case, since the terms of the series approach zero, the series converges.

Therefore, the given series, ∑(n=6 to ∞)  [tex](n-5)^4[/tex] / [tex]n^{11}[/tex] , converges.

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The total distance traveled by the particle over the time interval [1, 5] is 12 units.

To find the total distance traveled, we need to consider both the magnitude and direction of the velocity function. Since the velocity function given is in meters per second (m/sec), the total distance traveled will be measured in meters.

To calculate the total distance, we need to consider the intervals where the velocity function changes its sign. In this case, the velocity function is linear and increasing, starting at t = 1 with a velocity of 3 m/sec. From t = 1 to t = 3, the particle moves in the positive direction, covering a distance of (3t - 9) × (t - 1) = 12 units. From t = 3 to t = 5, the particle moves in the negative direction with the same magnitude, covering a distance of (-1) × (3t - 9) × (t - 3) = 12 unit

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The expression 18 + π is "irrational."

The expression 18 + π is a sum of a rational number (18) and an irrational number (π).

To understand why the sum of a rational number and an irrational number is always irrational, we need to consider the properties of rational and irrational numbers.

A rational number can be expressed as the ratio of two integers, such as 1/2, 3/4, or -5/6.

These numbers can be written as fractions or terminating decimals.

On the other hand, an irrational number cannot be expressed as the ratio of two integers.

Irrational numbers include π (pi), √2 (square root of 2), or e (Euler's number).

These numbers cannot be represented as fractions or terminating decimals and have non-repeating, non-terminating decimal representations.

We add a rational number and an irrational number, the resulting sum cannot be expressed as a fraction or terminating decimal.

It will have a decimal representation that continues infinitely without repeating, just like the irrational number involved in the sum.

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Answer:

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Average speed equation:

Substitute 350 for d and 5.15 for t:

The average speed must be approximately 68 km per hour.

The slope-intercept equation for the line passing through the points (0, 2) and (5, 4) is y = (2/5)x + 2.

To find the slope-intercept equation for the line passing through the points (0, 2) and (5, 4), we can use the point-slope form of a linear equation:

y - y₁ = m(x - x₁)

Where (x₁, y₁) represents one of the points on the line, and 'm' represents the slope of the line.

Using the points (0, 2) and (5, 4), we can choose either point as (x₁, y₁). Let's use the first point (0, 2).

Plugging in the values:

y - 2 = m(x - 0)

Simplifying further:

y - 2 = mx

Now, we need to find the value of 'm', the slope of the line. The slope is given by the change in y divided by the change in x between the two points:

m = (y₂ - y₁) / (x₂ - x₁)

Using the given points (0, 2) and (5, 4):

m = (4 - 2) / (5 - 0)

m = 2 / 5

Substituting this value back into the equation, we have:

y - 2 = (2/5)x

To convert this to slope-intercept form (y = mx + b), we can rearrange the equation:

y = (2/5)x + 2

Therefore, the slope-intercept equation for the line passing through the points (0, 2) and (5, 4) is y = (2/5)x + 2.

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1. In order to model the cost for renting the unicycle for two hours and 30 minutes, we can break it down into two parts: the cost for the first two hours and the cost for the additional 30 minutes.

2. Aubrey should rent the unicycle for three hours to minimize her cost

3 Besides cost, Aubrey might want to consider other factors while making her decision. Some of these factors could include duration of the activity and endurance.

a. The cost for the first two hours would be $25 per hour, so it would be $25 x 2 = $50.

For the additional 30 minutes, we need to calculate the cost for half an hour. Since the hourly rate is $25, the cost for half an hour would be half of that, which is $25 / 2 = $12.50.

Therefore, the total cost for renting the unicycle for two hours and 30 minutes would be $50 + $12.50 = $62.50.

b. Comparing the cost of renting the unicycle for 2 hours and 30 minutes ($62.50) with the cost of renting it for three hours ($60), it is evident that renting it for three hours is cheaper.

Therefore, Aubrey should rent the unicycle for three hours to minimize her cost.

c. Besides cost, Aubrey might want to consider other factors while making her decision. Some of these factors could include the duration of the activity and

Physical endurance.

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Answer:

$125.00

Step-by-step explanation:

4 walls (2 at 18 foot and 2 at 15 foot). height of each wall = 10 foot.

total area of 2 wide walls = 2 (10 X 15) = 300 square foot.

total area of 2 long walls = 2 (10 X 18) = 360 square foot.

area of ceiling = 18 X 15 = 270 square foot.

total area = 930 square foot.

200 square foot for one gallon of paint.

she will need 930/200 = 4.65 tins of paint = 5 tins.

one tin costs $25.

she will have to budget 5 X 25 = $125.00  

Having enlarged the above shape (A) by a scale factor of 2, the new coordinates would be:

A' = (4, 6)

B' = (8, 6)

C' = (6, 2)

D' = (4, 2)

See the attached image.

We took the original points, multiplied by the scale factor to arrive at the new points.

Original Points are;


A = (2, 3) x 2 ⇒ A' = (4, 6)

B = (4, 3) x 2 ⇒ B' = (8, 6)

C = (3, 1) x 2 ⇒ C' = (6, 2)

D = (2, 1)  x 2 ⇒ D' = (4, 2)

See the new shape A' attached.

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