y=x^2 6 units to the left 2 units up

Dilation Starting with our fundamental equation, x^2+y^2=r^2, we can dilate a circle. The point can be found by multiplying the parameters of the vertices in the bounding box by the scale factor when distorting a figure that is centered at the origin.

What does triangle mean?

A triangle is made up of three vertices, three angles, and three sides. A triangle's internal angles add up to 180 degrees. The triangle's third side is longer than the two sides added together. The base plus the height multiplied by half equals the triangle's area.

What are a few examples of dilation?

Dilation refers to a change in size without a change in shape of an object. Depending on the scale, the object's size could grow or shrink.

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A fair coin and a fair six-sided die, the sample space can be represented as:

{ (H,1), (H,2), (H,3), (H,4), (H,5), (H,6), (T,1), (T,2), (T,3), (T,4), (T,5), (T,6) }

where H represents heads and T represents tails for the coin toss, and the numbers 1 through 6 represent the numbers on the die.

The sample space for this experiment can be described as the set of all possible outcomes of the coin toss and die cast. One way to represent the sample space is to use the Cartesian product of the sample space for the coin toss and the sample space for the die cast.

where H represents heads and T represents tails for the coin toss, and the numbers 1 through 6 represent the numbers on the die.

Each element in this sample space represents a possible outcome of the experiment, where the first element represents the outcome of the coin toss and the second element represents the outcome of the die cast. This sample space contains 12 possible outcomes, each with an equal probability of 1/12.

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The number of machines used in order to get to the number 450 from the number 900 is 9.

An expression contains more than one term with addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

900 to 450

We need a number of machines such that 450 is the last output starting from 900.

Now,

If we subtract 50 from each consecutive number we get,

900, 850, 800, 750, 700, 650, 600, 550, 500, 450

So,

We use 9 machines to get 450 from 900.

Thus,

9 machines should be used in order to get to the number 450 from the number 900.

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The order of the place value in increasing order is equal to units , tens , hundreds , thousands , ten-thousand and so on.

Therefore, the order of the place value in ascending order of the place of the digit is given by units , tens , hundreds , thousands , ten-thousand and so on.

The given question is incomplete, I answer the question in general according to my knowledge:

What is the order of the place value ?

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The percentage of winners driving a Chevrolet who won with an average speed of at least miles per hour is fifty percent (50%).

We can infer that for a Chevrolet car,

the percentage of average speed (in miles/hour) for the range of 150-159.9 is 25%,

the percentage of average speed (in miles/hour) for the range of 160-169.9 is 18.75%,

and the percentage of average speed (in miles/hour) for the range of 170-179.9 is 6.25%.

Thereby, the percentage of winners of the race who were driving a Chevrolet and had an average speed of at least 150 miles/hour is,

50%.

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Answer:

Step-by-step explanation:

percentages are usually out of 100.

so you are turning 1/5 to x out of 100.

we can do thismany ways; i will be doing a ratio.

1:5

to

x:100

we can see that 5 times 20 equals 100, therefore, 1 times 20 would equal x.

so 20/100 is equal to 1/5.

Answer:

percentages are .so you are turning 1/5 to x out of 100. we can do this many way; I will be doing a ratio. of 1:5tox:100we can see that 5 times 20 equals 100, therefore, 1 time 20 would equal x.so 20/100 is equal to 1/5.

13 triangles could be formed from a 15-gon.

The vertex of an angle is the intersection of two lines, rays, or segments. A diagonal is a line segment with vertices as its endpoints. The intersection of two edges or sides forms a polygon's vertex. A vertex is created when three edges of a polyhedron collide.

Given:

The number of triangles formed by connecting one of the vertices to the rest of the vertices is equal to n - 2.

We have 15- gon.

So, the number of Triangles can be formed is n-2.

= 15 -2

= 12 Triangles.

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The Question attached here seems to be incomplete / inappropriate.

The complete question is

Using diagonals from a common vertex, how many triangles could be formed from a 15-gon (diagonal)?

In the chi-square goodness-of-fit test, the number of ways in which the expected classes are free to vary is represented by the degrees of freedom (df) of the test.

The degrees of freedom for the chi-square goodness-of-fit test are calculated as df = k - 1, where k is the number of categories or classes being compared.

In this test, we compare the observed frequencies in each category with the expected frequencies, assuming that the null hypothesis is true. The null hypothesis is that there is no significant difference between the observed and expected frequencies, and any deviation between the two is due to chance.

The degrees of freedom are the reflection of the number of independent pieces of information that are available to estimate the expected frequencies.

The more degrees of freedom, the more likely it is that the observed frequencies could be due to chance, and the less significant the test result will be. Conversely, fewer degrees of freedom means that the observed frequencies are more likely to be significantly different from the expected frequencies, and the test result will be more significant.

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The correct drop down menus from the graph are:

Pool A is filling up slower than Pool B because the slope of the graph of Pool A is less than that of the graph for Pool B.

The slope of the graph tells you the unit rate in gallons per minute. Its means the ratio of the vertical change between two points, the rise, to the horizontal change between the same two points, the run.

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The plane flew at 110 mph for 4.55 hours and at 125 mph for 0.45 hours.

The first step in solving this problem is to recognize that we can use the formula

=> speed = distance/time

to find the time it took for the plane to travel at each speed. Let's denote the time the plane traveled at the first speed (110 mph) as t1, and the time it traveled at the second speed (125 mph) as t2.

We know that the total distance traveled was 595 miles, and the total time taken was 5 hours. Using the formula for average speed, we can write:

Average speed = total distance / total time

Therefore,

Average speed = 595 / 5 = 119 mph

Now we can use the information about the two speeds to set up a system of equations. The first equation relates the total distance traveled at the first speed to the time it took:

110t₁ = d₁

where d1 is the distance traveled at the first speed. Similarly, the second equation relates the total distance traveled at the second speed to the time it took:

125t₂ = d₂

where d₂ is the distance traveled at the second speed.

The total time taken is the sum of the times taken at each speed:

t₁ + t₂ = 5

We now have three equations and three unknowns (t₁, t₂, and d₂). We can use the first two equations to eliminate d₁ and d₂, and then solve for t₁ and t₂.

Multiplying the first equation by 125/110, we get:

125/110 * 110t₁ = 125/110 * d₁

125t₁/110 = d₂

Substituting d₂ in the third equation, we get:

t₁ + 125t₁/110 = 5

Multiplying both sides by 110, we get:

121t₁ = 550

Solving for t₁, we get:

t₁ = 4.55 hours

Substituting t₁ in the third equation, we get:

t₂ = 0.45 hours

Therefore, the plane flew at 110 mph for 4.55 hours and at 125 mph for 0.45 hours.

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Complete Question:

A plane left Kennedy Airport tuesday morning for a 595−mileˏ 5−hour trip.

For the first part of the tripˏ the average speed was 110 mph.

For the remainder of the tripˏ the average speed was 125 mph. How long did the plane fly at each speed.

The probability that a box of 40 light bulbs will last for 5 years is very low, due to the short mean lifetime of 2 months and the relatively high standard deviation of 0.25 months.

The mean lifetime of a particular type of light bulb is given as 2 months, and the standard deviation is given as 0.25 months. The mean lifetime represents the average time that the light bulbs will last, while the standard deviation represents how much the lifetimes of the bulbs vary from the mean.

To determine the probability that a box of 40 light bulbs will last for 5 years, we need to convert the given information into a format that we can work with. 5 years is equal to 60 months, and since we have 40 light bulbs, we can assume that the lifetimes of the bulbs are independent and identically distributed. This means that the probability of one bulb lasting for 60 months is the same as the probability of any other bulb lasting for 60 months.

Next, we need to calculate the standard deviation of the sample mean. The standard deviation of the sample mean represents how much the means of different samples of size 40 would vary from the population mean. The formula for the standard deviation of the sample mean is given by the following equation:

standard deviation of the sample mean = standard deviation of the population / square root of the sample size

In this case, the standard deviation of the population is given as 0.25 months, and the sample size is 40. Therefore, the standard deviation of the sample mean is:

0.25 / sqrt(40) = 0.0395

Now that we have the mean lifetime and the standard deviation of the sample mean, we can use the normal distribution to determine the probability that a box of 40 light bulbs will last for 5 years. We can assume that the lifetimes of the bulbs follow a normal distribution with a mean of 2 months and a standard deviation of 0.0395 months (which is the standard deviation of the sample mean).

To find the probability that a bulb will last for 60 months, we can use the following equation:

z = (x - μ) / σ

where z is the standard score, x is the value we want to find the probability for (60 months in this case), μ is the mean, and σ is the standard deviation.

Plugging in the values, we get:

z = (60 - 2) / 0.0395 = 1509.49

To find the probability corresponding to this standard score, we can use a standard normal distribution table or a calculator. The probability is extremely small (close to zero), which means that it is highly unlikely that all 40 light bulbs will last for 5 years.

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The system of inequalities that will model the given scenerio are -

S + L < 30

13S + 18L ≥ 350

Equation modelling is the process of writing a given mathematical statement (or word problem) in the form of a mathematical equation for the correct analysis of the given problem (or situation).

Given is that Jordan's t-shirt business sells long sleeve shirts for $18 and short sleeve shirts for $13. He needs to make at least $350 to buy a new heat press machine.

Let {S} represent the short sleeves and {L} represents the long sleeves. So, we can model the equations as -

S + L < 30

13S + 18L ≥ 350

Therefore, the system of inequalities that will model the given scenerio are -

S + L < 30

13S + 18L ≥ 350

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The equivalent function to the given one is:

L(t) = 7,920*(3)^t

Here we want to rewrite the function:

L(t) = 880*(3)^(t + 2)

Into the form:

L(t) = a*(b)^t

Remember the rule for exponents:

(x^a)*(x^b) = x^(a + b)

Then we can take our function:

L(t) = 880*(3)^(t + 2)

And rewrite this as:

L(t) = 880*(3^t)*(3^2)

L(t) = 9*880*3^t

L(t) = 7,920*(3)^t

That is the equivalent function.

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There were originally 10 puppies in the litter, as of the given condition.

The equation model is defined as the model of the given situation in the form of an equation using variables and constants.

Here,
We can represent the number of original puppies as "x", and the sequence of events can be represented as:

Sold half of the puppies, so they have x/2 left - 1 sold to the local pet shop.

Sold half of the remaining puppies, so they have (x/2 - 1)/2 left sold to poodle palace.

One puppy was given to Grace, so they have ((x/2 - 1)/2- 1 = x - 2 / 4 - 1 remaining.

Since they are left with x - 2 / 4 - 1  puppies in the end, we can set this equal to 1 (the remaining puppy given to Grace), and solve for x:

x - 2 / 4 - 1  = 1

x - 2 = {1 + 1} * 4
x = 8 + 2
x = 10

Therefore, there were originally 10 puppies in the litter.

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Overall, the article has given me a deeper appreciation for the role that statistics plays in the political landscape.

One statistical discussion that stood out to me was the concept of margin of error. This is a measure of the accuracy of a poll and is calculated by taking into account the sample size and the variability in responses. I now have a better understanding of how pollsters use this measure to determine the reliability of their results.

Additionally, the article highlighted the importance of understanding statistical significance, which refers to the likelihood that a particular result occurred by chance. This is an essential concept in statistics that helps to determine whether a particular result is reliable or not.

It has also emphasized the need to interpret polling data with caution and to be mindful of the potential for errors and biases.

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The average value of the function f(x) = 3x2 + 4x on the interval [-1, 2] is about 4.67.

To find the average value fave of the function f(x) = 3x2 + 4x on the interval [-1, 2], solve the definite integral of f(x) over the interval and then divide by the interval length.

The definite integral of f(x) over the interval [-1, 2] can be calculated as follows:

[tex]∫[-1,2] (3x^2 + 4x) dx = [x^3 + 2x^2] between x = -1 and x = 2 = (23 + 2(22)) - ((-1)^3 + 2(-1)^2) \s= 14[/tex]

The interval length is 2 - (-1) = 3.

As a result, the average value fave of f(x) on the interval [-1, 2] is as follows:

fave =[tex](1/3) * ∫[-1,2] (3x^2 + 4x) dx \s= (1/3) * 14 \s[/tex]= 4.67 (rounded to two decimal places) (rounded to two decimal places)

As a result, the average value of the function f(x) = 3x2 + 4x on the interval [-1, 2] is about 4.67

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.

Answer:

Brand b

Step-by-step explanation:

brand a is 0.165 per ounce

brand b is 0.143 per ounce

brand c is 0.166 per ounce

An equation to find the temperature after x number hours of waking up for Jackie is Temperature ( x ) = 4 x + 70

The equation which takes the form y = mx + b means that in relation to the temperature when Jackie woke up:

y = current temperature after x hours

x = number of hours after waking up

m = change in temperature per hour

b = starting temperature when Jackie woke up

The equation to find the temperature after x hours is therefore:

Temperature ( x ) = 4 x + 70

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Answer: 20 centimeters

Step-by-step explanation:

The radius is half the diameter so then the radius is 20 centimeters.

The distance between the center of the circle to its circumference is the radius. The diameter is always double the radius. Hence, the formula is derived by dividing the diameter by 2.

Answer:

2(t+6)-5

Step-by-step explanation:

The unknown number is t

=> Adding 6 will make it t+6

=> Multiplying 2 will make it 2(t+6)

=> Subtracting 5 will make it 2(t+6)-5

Answer:

[tex]\frac{t+6}{2}[/tex] - 5

Step-by-step explanation:

[tex]\frac{t+6}{2}[/tex] - 5

When m is 20 the value of expression is 6.5. The value 6.5 represent the cost which marcia has to pay for car wash for 20 mins.

An expression is combination of variables, numbers and operators.

Given that Marcia's cost, in dollars, to wash her car can be calculated using the expression

0.25m +1.50

Zero point two five plus one point five.

In the expression m represents the number of minutes the car wash will run.

We need to find the value of expression when m is 20

0.25(20)+1.50

5+1.50

6.5

When m is 20 the value of expression is 6.5. The value 6.5 represent the cost which marcia has to pay for car wash for 20 mins.

Hence, Marcias cost $6.5 to wash her car for 20 minutes.

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Quadratic equation gives us the fuel efficiencies of the two cars for the given values of fuel consumption and total distance driven.

Let's denote the fuel efficiency of the first car as x miles per gallon, and the fuel efficiency of the second car as y miles per gallon.

We know that the first car consumed a total of a gallons of gas, and the second car consumed b gallons of gas. If we assume that the fuel efficiencies are constant, then the total distance driven by both cars can be calculated using the formula:

distance = fuel consumed / fuel efficiency

So, the total distance driven by both cars is:

(a/x) + (b/y) = total miles

We also know that the sum of their fuel efficiencies was:

x + y = total miles per gallon

We have two equations and two unknowns, so we can solve for x and y. First, we can solve the second equation for x:

x = total miles per gallon - y

Substituting this expression for x into the first equation, we get:

(a / (total miles per gallon - y)) + (b / y) = total miles

Multiplying both sides by y(total miles per gallon - y) to eliminate the denominators, we get:

ay + b(total miles per gallon - y) = total miles * y(total miles per gallon - y)

Expanding the left side and simplifying, we get a quadratic equation in y:

(total miles^2 - a - b) y^2 + (total miles * a) y - ab = 0

Using the quadratic formula, we can solve for y:

y = [(total miles * a) ± sqrt((total miles * a)^2 + 4ab(total miles^2 - a - b))] / 2(total miles^2 - a - b)

We can then use the equation x = total miles per gallon - y to find the value of x. The gives the fuel consumption of both cars.

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Answer:

Tech 9 rock and no answer

Step-by-step explanation:

The inverse function of f(x) = [tex]\frac{x-7}{x+4}[/tex] is f⁻¹(x) = [tex]\frac{4x+7}{1-x}[/tex].

A function that can reverse into another function is known as an inverse function or anti function. In other words, the inverse of a function "f" will take y to x if any function "f" takes x to y. When a function is written as "f" or "F," its inverse is written as "f-1" or "F-1." Here, (-1) should not be confused with an exponent or a reciprocal.

Given that the function is f(x) = [tex]\frac{x-7}{x+4}[/tex]

Change f(x) (or whatever the function name is) to "y".  In this case you'd get:

y = [tex]\frac{x-7}{x+4}[/tex]

Now, switch x and y.  Wherever you see y, put x.  And wherever you see x, put y.

x = [tex]\frac{y-7}{y+4}[/tex]

Solve the new equation for y.

x (y + 4) = y - 7

xy + 4x = y - 7

4x + 7 = y - xy

4x + 7 = y (1 - x)

y = [tex]\frac{4x+7}{1-x}[/tex]

Change y back to function notation.  The correct notation for the "inverse of f(x)" is "f⁻¹(x)".  So that would give you:

f⁻¹(x) = [tex]\frac{4x+7}{1-x}[/tex]

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Answer:

y = (2/3)x + 3

Step-by-step explanation:

first we need to find the y-intercept

we can do this by using what is given, the point (-3,1) and the slope (2/3)

using the slope-intercept formula: y = mx + b.

m = slope

b = y intercept

we can plug in the x and y values we were given

so,

1 = (2/3)(-3) + b

we can now easily solve for b

1 = (2/3)(-3) = b

first multiply

1 = -2 + b

then add 2 to both sides, this way we isolate b

3 = b

now that we have the y intercept we can write the equation of the line

y = (2/3)x + 3

if you really wanted to, you can check if this is correct by plugging in the point again and seeing if the equation is true.

1 = (2/3)(-3) + 3

multiply first

1 = -2 + 3

add the like terms

1 = 1

There are 20 different combinations of colors possible in a 6-pack of lacrosse balls.

What is the combination?

A combination is a choice of items from a group of different items where the order of the choices is irrelevant. Either the process of combining or the condition of combining. a combination of several things a mixture of thoughts. something created through fusion: A chord is made up of several notes.

Here, we have

Given: lacrosse balls come in 3 colors: red, yellow, and blue.

We have to find the different combinations of colors that are possible in a 6-pack of lacrosse balls.

We apply here combination formula and we get

= ⁶C₃

= (6×5×4×3!)/(3!×3×2×1)

= 20

Hence, there are 20 different combinations of colors possible in a 6-pack of lacrosse balls.

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The value of x is 7, therefore AC = 23 and BD = 23, which means diagonals AC = BD.

What is linear equations in two variables?

A linear equation in two variables is an equation that can be written in the form ax + by = c, where a, b, and c are constants, and x and y are variables. The graph of a linear equation in two variables is a straight line in the Cartesian coordinate system.

In a trapezium, the diagonals divide the trapezium into four triangles. The diagonals of a trapezium are also equal to the sum of the two parallel sides.

Let the two parallel sides of the trapezium be a and b. Then, we have:

8x - 33 = a + b ...(1)

37 - 2x = a + b ...(2)

We can solve for x by setting (1) and (2) equal to each other:

8x - 33 = 37 - 2x

10x = 70

x = 7

8(7) - 33 = 23

37 - 2(7)  = 23

Therefore, the value of x is 7.

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