If a={0,1,2} and b={-1,1,2} then what is the relation a into b

It is False that based only on the r and p values listed above you can come to the conclusion that age is a moderator of the bivariate relationship between the amount of texting and the number of accidents.

In the given scenario, it is not completely true that based only on the r and p values listed above, you can come to the conclusion that age is a moderator of the bivariate relationship between the amount of texting and the number of accidents.

Let's first understand what is meant by the term "moderator.

"Moderator: A moderator variable is a variable that changes the strength of a connection between two variables. If there is a statistically significant bivariate relationship between the amount of texting during driving and the number of accidents, scientists investigate whether this bivariate relationship is moderated by age.

Therefore, based on the values of r and p, it is difficult to determine if age is a moderator of the bivariate relationship between the amount of texting and the number of accidents.

As we have to analyze other factors also to determine whether the age is a moderator or not, such as the sample size, the effect size, and other aspects to draw a meaningful conclusion.

So, it is False that based only on the r and p values listed above you can come to the conclusion that age is a moderator of the bivariate relationship between the amount of texting and the number of accidents.

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Answer:

-2-20p OR -20p-2

Step-by-step explanation:

2-4(5p+1)

Rewrite (the spaces can help me to view the different parts):

2 -4(5p + 1)

Distribute:

2 -20p -4

Combine like terms:

-2-20p

Answer:

-2-20p OR -20p-2

Answer:

-2 - 20p

Step-by-step explanation:

First distribute 2 - 4 ( 5p + 1 )

Next do 2 - 20p - 4 and add 2+ - 4

Therefore, your answer is -2 - 20p

Answer:

Okay bestie ‼️

Step-by-step explanation:

Answer:

85

Step-by-step explanation:

425 divided by 8= 85

Answer:

He as 85 race cars.

Step-by-step explanation:

Just divide 425 by 5 and you have your answer.

By greatest common divisor , we can say the most bags that may be produced are 12, and each of those 12 bags will include two pencils, three candy bars, and four erasers.

The biggest number that divides both of two integers is referred to as the greatest common divisor (gcd), or greatest common divisor. For instance, 5 is the largest common divisor of 20 and 15. This is so that 5 can divide both 20 and 15, which is a quality that higher numbers lack.

Since you have 36 candy bars, 24 pencils, and 48 erasers to divide among the gift bags and you want to divide the items evenly and not have any items left over, the calculation that follows must be done in order to determine, if you make the most gift bags possible, how many of each item would go in each bag:

It is necessary to find the three numbers' highest common divisor.

\(24 = 2, 3, 4, 6, 8, 12, 24\\36 = 2, 3, 4, 6, 9, 12, 18, 36\\48 = 2, 3, 4, 6, 8, 12, 24, 48\)

The maximum number of bags that may be produced is 12, as 12 is the largest common divisor of these integers.

Thus, there will be two pencils, three candy bars, and four erasers in each of the 12 bags.

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Answer:

D

Step-by-step explanation:

x^2-12x+36

type into desmos and see where it touches the the line

Answer:

^ They are correct :) ^

Step-by-step explanation:

I got it correct too.

Answer:

75%

Step-by-step explanation:

Answer:

Step-by-step explanation:

In a list of 3 to 99, the first multiple of 3 will be none other than 3 itself because when multiplied by 1, you get three.

The second number will be: 3 * 2 = 6

In a list from 5 to 100, the first multiple will be 5 with 5 being a multiple of itself when multiplied by 1.

Second number = 5 * 2 = 10

The final solution of the given problem is X = 2.82, Y = 1.04 for an Optimal solution Value of -16.93.

Given the optimization problem in 2X2 – 14X + 2XY + Y2 – 18Y + 50s.t. X + 4Y ≤ 8, we have to find the minimum solution to the given problem.

Solution To find the solution to the given optimization problem, we need to use the Lagrange multiplier method. Using this method, we have the following system of equations: 2x - 14 + 2y = λ4y - λ = 0x + 4y ≤ 8Solving the above equations, we get the following solutions:x = 3, y = 1, λ = 6

The optimal solution is X = 3, Y = 1, for an optimal solution value of -17. If the right-hand side of the constraint is increased from 8 to 9, the objective function would change by -2.29. (Decrease by 2.29)Now, we have to resolve the problem with a new right-hand side of 9.

The new optimization problem will be in 2X2 – 14X + 2XY + Y2 – 18Y + 50s.t. X + 4Y ≤ 9

Using the same method as above, we have the following system of equations:2x - 14 + 2y = λ4y - λ = 0x + 4y ≤ 9Solving the above equations, we get the following solutions:x = 2.82, y = 1.04, λ = 6.07

The objective function value is -16.93 so the actual increase/decrease is only -0.07 rather than -2.29. Hence, the actual change is very different from the estimated change.

Therefore, the final solution of the given problem is X = 2.82, Y = 1.04 for an optimal solution value of -16.93.

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By using what we know about octagons, we will see that:

For an octagon of side length S, the area is:

A = 2*(1 + √2)*S^2

In this case, the area of the smaller octagon is:

19.28 in^2 =  2*(1 + √2)*S^2

Solving for S we get:

S = √( 19.28 in^2/(2*(1 + √2))) = 2.03 in

If we apply an enlargement of a factor 3.5, the new side length is:

S' = 3.5*2.03 in = 7.11 in

Then the area of the larger octagon is:

A' = 2*(1 + √2)*(7.11 in)^2 = 244.89 in^2

b) For an octagon of side length S, the radius is:

R = S*√(1 + 1/√2)

Then the radius of the larger octagon is:

R' = (7.11 in)*√(1 + 1/√2) = 9.29 in

Then the diameter of the box must be:

D = 2*R' = 2*9.29 in = 18.58 in

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Answer:

2x - 3y = 24

Step-by-step explanation:

You use the formula Ax ± By = C.

This is the standard linear equation form.

Answer: for b: function one has a greater rate of change

Step-by-step explanation: sorry i don't know the first one

Answer:

a) -2 and 4, b) function 2

Step-by-step explanation:

Rate of change is the same thing as slope. For the first function, the table, we can use two of the points and the slope formula. I'll use (-1,3) and (-2,5). Remember the slope formula:

\(m=\frac{y2-y1}{x2-x1}\)

Plug the points in:

\(m=\frac{5-3}{-2-(-1)}\\m=\frac{2}{-1}\\m=-2\)

(Remember that subtracting a negative = adding. I look at it like the two 'minus' signs form one plus sign, if that helps)

So the slope of function 1 is -2.

We can do the same thing with the second function. Two points that I notice on the graph are (-1,0) and (0,4). Let's use the same slope formula.

\(m=\frac{4-0}{0-(-1)}\\m=\frac{4}{1}\\m=4\)

And the slope of function 2 is 4. That answers the first part. The second part asks about rate of change.

Function 2 has a greater rate of change, since 4>-2.

Hope this helps!

An expansion has a scale factor of x > 1 (greater than 1). A reduction is a scale factor that is 0 x 1 (higher than 0 but less than 1).

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Answer:

1/153

Step-by-step explanation:

Probability calculates the likelihood of an event occurring. The likelihood of the event occurring lies between 0 and 1. It is zero if the event does not occur and 1 if the event occurs.

For example, the probability that it would rain on Friday is between o and 1. If it rains, a value of one ids attached to the event. If it doesn't a value of zero is attached to the event.

probability that the first sock and the second sock are both red = (number of red socks /total number of socks) x (number of red socks /total number of socks)

At the first pick, the probability = 2/18

At the second pick because there is no replacement, there would be 1 red socks and 17 socks = 1/17

2/18 x 1/17 = 1/153

Answer:

1) $30,000 + $12x

(2) $50x

(3) $38x - $30,000

(4) 790 CD's to break even

Given that,

Variable cost = $12 per CD

Fixed cost = $30,000

Selling price = $50 each

Let x be the number of CD's produced,

(1) Total cost function:

C(x) = Fixed cost + Variable cost

     = $30,000 + $12x

(2) Total revenue:

R(x) = Units produced × selling price of each unit

     = $50x

(3) Total profit:

P(x) = R(x) - C(x)

     = $50x - ($30,000 + $12x)

     = $50x - $30,000 - $12x

     = $38x - $30,000

(4) Number of CD's which must be produced to break even:

Total profit = 0

$38x - $30,000 = 0

x = $30,000 ÷ $38

 = 789.47 or 790 CD's to break even.

Hope this helps! :)

Answer:

40

Step-by-step explanation:

60-20=40

Bern has 60. Delhi has 20. Subtracting those =40

This doesn’t include the Einstein problem cause I didn’t have that one.

Answer:

1)0.125

2)127.825

Step-by-step explanation:

There are 6 terms in the sequence greater than 1.

A geometric series is  sum of infinite numbers which has a common ratio between its successive terms.

The missing common ratio value is -1/2

It is given in the question that

the number of terms in the sequence = 300

Sum = a₁ (1-rⁿ)/(1-r)

nth term is given by

aₙ = a₁r⁽ⁿ⁻ ¹⁾

1337(1/2)^(n - 1) = 1

(1/2)^(n - 1)  = 1/1337

Applying log on both sides

log (1/2)^(n - 1) = log (1/1337)

(n - 1) log(1/2)  = log(1/1337)

n  = log (1/1337)/ log (1/2) + 1 ≈ 11.384

the 11th term  is 1337(-1/2)^(10)  ≈ 1.305

and

And the 12th term is 1337(-1/2)^11  =  -.653

As the even terms are negative , they are less than 1 and , therefore the odd terms from 1 - 11 term will be positive and greater than 1.

Therefore there are 6 terms in the sequence greater than 1.

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The solution to the given differential equation 2xy(dy/dx) = y², with the initial condition y(2) = 3, is y = (27 * e⁽ˣ⁻²⁾\()^{1/4}\).

To solve the given differential equation

2xy(dy/dx) = y²

We will use separation of variables and integrate to find the solution.

Start with the given equation

2xy(dy/dx) = y²

Divide both sides by y²:

(2x/y) dy = dx

Integrate both sides:

∫(2x/y) dy = ∫dx

Integrating the left side requires a substitution. Let u = y², then du = 2y dy:

∫(2x/u) du = ∫dx

2∫(x/u) du = ∫dx

2 ln|u| = x + C

Replacing u with y²:

2 ln|y²| = x + C

Using the properties of logarithms:

ln|y⁴| = x + C

Exponentiating both sides:

|y⁴| = \(e^{x + C}\)

Since the absolute value is taken, we can remove it and incorporate the constant of integration

y⁴ = \(e^{x + C}\)

Simplifying, let A = \(e^C:\)

y^4 = A * eˣ

Taking the fourth root of both sides:

y = (A * eˣ\()^{1/4}\)

Now we can incorporate the initial condition y(2) = 3

3 = (A * e²\()^{1/4}\)

Cubing both sides:

27 = A * e²

Solving for A:

A = 27 / e²

Finally, substituting A back into the solution

y = ((27 / e²) * eˣ\()^{1/4}\)

Simplifying further

y = (27 *  e⁽ˣ⁻²⁾\()^{1/4}\)

Therefore, the solution to the given differential equation with the initial condition y(2) = 3 is

y = (27 * e⁽ˣ⁻²⁾\()^{1/4}\)

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Answer:

hexagon because it have 6 sides

Step-by-step explanation:

it is irregular because it sides are not equal

THIS POLYGON IS IRREGULAR BECAUSE THIS IS HEXAGON AND IT IS IRREGULAR

an hexagon is a six sided irregular polygon

What is polygon?

a simple closed curve which does not interest itself made up if only line system is called a polygon

REGULAR POLYGON- polygon whose all side are of equal length and all angles are of equal measure

are called regular polygon

EX - SQUARE

IRREGULAR POLYGON- polygon which are not regular are called a regular polygon quadrilateral and Isosceles triangle is an example

Answer:1/4

Step-by-step explanation: im sry if im wrong

The probability that both marbles are blue is 9 percent.

It is given that 12 marbles in a bag, four of them are blue and the rest are green.

To find the probability that both marbles are blue.

The ratio of the number of outcomes in an exhaustive set of equally likely outcomes that produce a given event to the total number of possible outcomes.

Let both the marble be blue for event A.

P(A)=2C4/2C12     (combination formula)

=6/66

=1/11

≅0.09

=9percent.

So ,the probability that both marbles are blue is 9 percent.

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The given conditions to write an equation for the line passing through (−9,2) and parallel to the line whose equation is y = −3x+ 2.

There are many different methods to define an equation. The definition of an equation in algebra is a mathematical statement that demonstrates the equality of two mathematical expressions. For instance, the equation 3x + 5 = 14 consists of the two equations 3x + 5 and 14, which are separated by the 'equal' sign. Mathematical algebraic equations typically include one or more variables.

More than one variable may be present in a linear equation. An equation is said to be linear if the maximum power of the variable is consistently 1. Another name for it is a one-degree equation.

\($$We have the equation of a parallel line and a point which it passes through. To write the equation of the line in point-slope form, we will use the following formula:y−y1=m(x−x1)We know that the slope of parallel lines are same and we are given the equation for parallel line, y=−3x+2$$\)

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The customer can pay

1 time anually: $1127.58

12 payments of $98.99

To determine how much he will pay if the chooses the monthly plan, multiply the monthly fee by 12

If he chooses the monthly plan he will pay $1187.88 in a year.

Subtract both fees to determine how much he'll save if the chooses to pay the full amount:

He will save $60.3

The solution is at (-5, 0)

see the graph below

9) To graph the equatios, we would assign values to x and get corresponding values of y

x + y = -5 ...equation 1

-x + 2y = 5 ...equation 2

when x = -6, -5, -4

when x = -6

-6 + y = -5

y = -5 + 6 = 1

when x = -5

-5 + y = -5

y = -5 + 5

y = 0

when x = -4

-4 + y = -5

y = -5 + 4

y = -1

when x = -6

-(-6) + 2y = 5

6 + 2y = 5

2y = 5 - 6

y = -1/2

when x = -5

-(-5) + 2y = 5

5 + 2y = 5

2y = 5-5

2y = 0

y = 0

when x = -4

-(-4) + 2y = 5

4 + 2y = 5

2y = 5-4

y = 1/2

plotting the graph:

The solution of the graph is at the intersection of both lines.

The solution is at (-5, 0)

Answer:

2 fifths 2/5

Step-by-step explanation:

10 sided dice has 10 possibilities so 7 8 9 10 are even or greater than 7 that's 4 out of 10 numbers but in simplest form would be 2/5 (2 fifths)

\(a(1) = 240 \\ a(2) = a(1) + d = 240 + 24 = 264 \\ a(3) = a(2) + d = 264 + 24 = 288 \\ a(4) = a(3) + d = 288 + 24 = 312 \\ a(5) = a(4) + d = 312 + 24 = 336 \\ a(6) = a(5) + d = 336 + 24 = 360\)

The volume of the cube is increasing at the rate of 600 cubic inches per second.

We know that, the surface area of a cube is given by 6\(a^{2}\) where a is the side of the cube.

Differentiating the surface area w.r.t. time, we get 12a\(\frac{da}{dt}\) = 240 sq. inches per second (Given!)

Now, when the side i.e. a= 10 inches, 12(10)\(\frac{da}{dt}\)=240 sq. inches per second .

So, {da}/{dt} = 2 inches per second.

Now, volume of a cube is given by a^3 . Differentiating again w.r.t. time, we get dV/dt where V is the volume of the cube.

3a^2 (da/dt) . putting the values of a = 10 inches and da/dt =  2 inches per second we get

dV/dt = 3a^2 (da/dt) =3(10)^2 (2)= 600 cubic inches per second.

So, rate of increasing of volume is  600 cubic inches per second when the side has length 10 inches.

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Answer:

8 girsl can sing

8 girls cannot sing

Total number of girls = 16

Step-by-step explanation:

The ratio of girls who csan sing to girls who cant sing is 1:1

Which means the number of girls who can sing and cannot sing are equal .

IF the number of girls who can sing is 8 then the number of girls who cant sing is also 8.

8:8

Dividing both sides by 8 gives

1:1

The total number of girls would be (8+8= )16.

This is an exercise of the Pythagorean Theorem, which establishes that in every right triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides, called legs.

This can be expressed mathematically as:

Where "a" and "b" are the lengths of the legs and "c" is the length of the hypotenuse. This theorem is one of the fundamental bases of geometry and has many applications in physics, engineering, and other areas of science.

The Pythagorean Theorem formula is used to calculate the length of an unknown side of a right triangle, as long as the lengths of the other two sides are known. It can also be used to determine if a triangle is right if the lengths of its sides are known.

To calculate the hypotenuse, we will apply the formula:

c = √(a² + b²)

Knowing that:

a = 8cm

b = 15cm

Now we just substitute the data in the formula, and calculate the hypotenuse, then

The hypotenuse C of the triangle is 17 cm.

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Step-by-step explanation:

The scale factor is 2 because the original PQR triangle is of 1 by 2 while the image is of 2 by 4, which is multiplied by 2.