use this equation
y=-16(t-2)^2+64
when is the football 40ft high
There are 2 answers.
One if them is between
.5 to 1 and the other is 3 to 3.5
show work!!

Answer:

Step-by-step explanation:

In the uniform distribution, the mean (7.5) is equal to the median (8), making it the data set where the mean is equal to the median.

The data set in which the mean is equal to the median is the uniform distribution. In the provided data set, the bars represent the heights of the distribution. In the uniform distribution, the heights are 8, 6, 6, 8, 7, 8, 6, 8, 8, 8.

To determine the mean and median, we first calculate the mean by summing up all the values and dividing by the total number of values:

(8 + 6 + 6 + 8 + 7 + 8 + 6 + 8 + 8 + 8) / 10 = 75 / 10 = 7.5The mean of the data set is 7.5.

To find the median, we arrange the values in ascending order:

6, 6, 6, 7, 8, 8, 8, 8, 8, 8

Since there are 10 values, the median is the average of the fifth and sixth values, which is (8 + 8) / 2 = 8.

It is worth noting that the other distributions mentioned, namely the normal distribution and the skewed right and left distributions, do not have the mean equal to the median.

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We can reject the null hypothesis and conclude that there is evidence to support the alternative hypothesis that the left foot is longer than the right foot.

A statistical test is required to determine whether the length of the left foot is greater than the length of the right foot. The null hypothesis states that there is no difference in average length between the left and right feet. The alternative hypothesis is that the left foot's average length is greater than the right foot's average length.

This hypothesis is one-tailed, as we are only interested in whether the left foot is longer than the right foot. We are not considering the possibility that the right foot could be longer than the left foot.

A t-test can be used to determine whether the difference in average length between the left and right feet is statistically significant. We can reject the null hypothesis and conclude that there is evidence to support the alternative hypothesis that the left foot is longer than the right foot if the p-value of the t-test is less than the chosen significance level (e.g., 0.05).

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The new function in terms of g(x) is g(x) = -2|x - 3).The correct answer is option B.

To understand why, let's break down the transformation step by step:

1. Translation Down by 3 Units: This means shifting the graph of the function downward by 3 units. To achieve this, we subtract 3 from the original function's expression, resulting in f(x) - 3 = |x| - 3.

2. Vertical Stretch by a Factor of -2: A vertical stretch affects the magnitude of the function's output. When we stretch a function vertically by a factor of a, we multiply the function's expression by that factor.

In this case, the factor is -2. Multiplying the translated function from step 1 by -2, we get -2(|x| - 3), which simplifies to -2|x - 3|.

Therefore, the new function, in terms of g(x), is g(x) = -2|x - 3).

Option B correctly represents this transformation by subtracting 3 inside the absolute value and multiplying the entire expression by -2.Option A does not incorporate the vertical stretch factor of -2, while option C includes an additional unnecessary shift. Option D represents a different linear function, not the translated and stretched absolute value function.

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The monthly payment is approximately $95.63.

To find the monthly payment, we need to calculate the balance after the upfront payment and then determine the monthly payment required to finance that balance over 24 months with 10% interest.

The upfront payment is 40% of $3499.58:

Upfront payment = 40% * $3499.58 = $1399.83

The balance to be financed is the remaining amount after the upfront payment:

Balance = $3499.58 - $1399.83 = $2099.75

To calculate the monthly payment, we can use the formula for monthly payments on a loan:

m = (P * r * (1 + r)^n) / ((1 + r)^n - 1)

Where:

P = Principal amount (balance)

r = Monthly interest rate

n = Number of monthly payments (24)

The monthly interest rate is 10% divided by 12 (for 12 months in a year):

r = 10% / 12 = 0.10 / 12 = 0.00833333 (rounded to 8 decimal places)

Plugging in the values:

m = ($2099.75 * 0.00833333 * (1 + 0.00833333)^24) / ((1 + 0.00833333)^24 - 1)

Evaluating the expression:

m ≈ $95.63 (rounded to 2 decimal places)

Therefore, the monthly payment is approximately $95.63.

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The solution to the inequality is x < 3/14.

To solve the inequality -14x > -3 need to isolate the variable x on one side of the inequality sign.

We can start by dividing both sides by -14.

Since we are dividing by a negative number need to flip the inequality sign to maintain the direction of the inequality:

-14x/-14 < -3/-14

x < 3/14

The solution to the inequality is x < 3/14.

The solution by noting that 3 and 14 do not have any common factors so 3/14 is already in its simplest form.

The solution tells us that x is less than 3/14 means any value of x that is less than 3/14 will make the inequality true.

x = 0 x = -1 and x = -0.5 are all values that satisfy the inequality since they are less than 3/14.

We divide both sides of an inequality by a negative number need to flip the direction of the inequality sign.

This is because dividing by a negative number flips the sign of the inequality and we need to maintain the direction of the inequality to ensure that our solution is correct.

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The length of the rectangle is 4 units.

We have,

A quadrilateral with parallel sides that are equal to one another and four equal vertices is known as a rectangle.

Let n be the length of the rectangle.

The width of a rectangle is the length minus 2 units.

The width = n - 2

The area of the rectangle is 8 square units.

The area of the rectangle = length x width

8 = n (n-2)

n²-2n - 8 = 0

n²-4n+2n - 8 = 0

n(n-4)+2(n-4) = 0

(n+2)(n-4) = 0

n = 4 and -2.

So the length is 4 units.

Therefore, 4 units are the length of the rectangle.

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complete question:

The width of a rectangle is the length minus 2 units. The area of the rectangle is 8 square units. What is the length, in units, of the rectangle?

Answer:

Can you add more context?

Step-by-step explanation:

Answer:

384.67

Step-by-step explanation:

The margin of error for the 99% confidence interval for the true mean monthly salary of all former students can be calculated using the formula:

Margin of error = z * (standard deviation / sqrt(sample size))

where z is the z-score associated with the desired confidence level (in this case, 99%), standard deviation is the population standard deviation (given as $550), and sqrt(sample size) is the square root of the sample size (15).

The z-score for a 99% confidence level can be found using a standard normal distribution table or calculator, and it is approximately 2.576.

Plugging in the values, we get:

Margin of error = 2.576 * ($550 / sqrt(15))

                ≈ $384.67

Therefore, the margin of error of the 99% confidence interval for the true mean monthly salary of all former students is approximately $384.67.

The exchange rate between Japanese Yen and Nepali Rupees in this case is given by Rs 0.92 per Yen.

The exchange rate between Japanese Yen and Nepali Rupees is

1 JPY = 0.7184 NPR

Therefore, the exchange rate is  6,852 JPY = 6,320 NPR

Therefore, the exchange rate between Japanese Yen and Nepali Rupees is 0.7184 NPR per 1 JPY.

The exchange rate between Japanese Yen and Nepali Rupees is given by the following formula:

Exchange Rate = (Total Amount in Nepali Rupees/Total Number of Japanese Yen)

Exchange Rate = (Rs 6320/6852 Yens) = Rs 0.92 per Yen.

Therefore, the exchange rate between Japanese Yen and Nepali Rupees in this case is given by Rs 0.92 per Yen.

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a. The events A and B are independent

b. The events A and B are independent

a. The events A and B are independent because the outcome of one event does not affect the outcome of the other event.

After selecting a penny, there are still dimes in the jar, and the probability of selecting a dime does not change.

b. The events A and B are independent because the day of the week does not affect the choice of shoe color.

The probability of selecting red shoes is the same for any day of the week.

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The equation of the parabola is y= 1/255 (x+4)² -8.

Since the parabola opens up, the general equation of the parabola is of the form [tex]$y = a(x-h)^2 + k$[/tex], where the vertex is (h, k).

So, substituting the given vertex (h,k)=(-4,-8), we have y=a(x+4)²-8.

Since the focal diameter is 16, the distance from the vertex to the focus is [tex]$\frac{1}{4}$[/tex] times the length of the focal diameter. Thus, the focus is at a point [tex]$(h,k+p)$[/tex] where [tex]$p = \frac{16}{4} = 4$[/tex]

The equation of the directrix is y = k-p = -8-4 = -12.

Using the formula for the distance between a point (x,y) and the directrix y = k-p, we get:

|y- (k-p)| / √(1+a²)

= |y+ 12|/ (√1+a²)

= |x-h|

Since the focus is on the parabola, the distance from the focus to any point (x,y) on the parabola is given by:

[tex]$$\sqrt{(x-h)^2 + (y-k-p)^2} = |4p(x-h)|$$[/tex]

Substituting the values of (h, k,p), we get:

[tex]$$\sqrt{(x+4)^2 + (y+4)^2} = 16|x+4|$$[/tex]

Squaring both sides and simplifying, we get:

[tex]$$(y+4)^2 = 256(x+4)^2 - (x+4)^2 = 255(x+4)^2$$[/tex]

[tex]$$(y+4)^2 = \frac{1}{255}(x+4)^2$$[/tex]

[tex]$$y+4 = \pm\frac{1}{\sqrt{255}}(x+4)$$[/tex]

Finally, substituting [tex]$y=a(x+4)^2-8$[/tex] and solving for a, we get:

a= (y+8)/ (x+4)²

Substituting this value of a in[tex]$y=a(x+4)^2-8$[/tex], we get:

y= (y+8)/ (x+4)²  (x+4)² -8

= 1/255 (x+4)² -8.

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When Suzi stuck two lumps of coal in Mr Snowman's face He exclaimed "I can see!"

Suzi was a little and yet mischievous girl who came to play with Mr. Snowman who lived in the snowy wonderland. He however had no eyes and Suzi noticed this.

So, Suzi decided that she would make Mr. Snowman capable of seeing and so found two lumps of coal and stuck them in Mr. Snowman's face. Mr. Snowman exclaimed in a deep, booming voice, "I can see!" Suzi was surprised and delighted to hear the snowman talk.

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The parabola intersects the x-axis at the point (4.5, 0), and the x-intercept is 4.5.

To find the x-intercepts of a parabola, we need to determine the values of x where the graph intersects the x-axis. At the x-intercepts, the y-coordinate is always 0.

Given the information about the parabola falling from the left, passing through the point (3, 2), rising to the right, and passing through the point (6, 2), we can determine the equation of the parabola.

Since the parabola is symmetric, we can find the axis of symmetry (x-coordinate of the vertex) by taking the average of the x-values of the two given points:

x-coordinate of the vertex = (3 + 6) / 2 = 4.5

Now, we know the vertex of the parabola is (4.5, 0).

The equation of the parabola can be written in vertex form as follows:

y = a(x - h)^2 + k

where (h, k) represents the vertex. Since the vertex is (4.5, 0), we have:

y = a(x - 4.5)^2 + 0

Simplifying, we get:

y = a(x - 4.5)^2

To find the value of 'a', we can substitute one of the given points on the parabola. Let's use the point (3, 2):

2 = a(3 - 4.5)^2

2 = a(-1.5)^2

2 = 2.25a

a = 2 / 2.25

a = 8/9

Therefore, the equation of the parabola is:

y = (8/9)(x - 4.5)^2

To find the x-intercepts, we set y = 0:

0 = (8/9)(x - 4.5)^2

Setting each factor equal to zero, we get:

(x - 4.5)^2 = 0

Taking the square root of both sides, we find:

x - 4.5 = 0

Solving for x, we get:

x = 4.5

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The value of x from the given figure is 8/3

Perimeter of a parallelogram

The sum of all the ides of the parallelogram is perimeter.

According to the given figure;

2(3x-8)+2(16) = 32.2

Expand to have:

6x-16 + 32 = 32.2

6x + 16 = 32.2

Subtract 16 from both sides

6x = 16

x = 16/6

x = 8/3

Hence the value of x from the given figure is 8/3

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complete question;

The perimeter of the parallelogram below is 32.2. What equation would you set up to solve for x? What is the value of x?

Answer:

  (0, -4)  and  (6, 0)

Step-by-step explanation:

You want two solutions to 2x -3y = 12.

Each intercept is the value of the variable when the other is zero. Here, they are easy to find by dividing the constant by the variable's coefficient:

  x-intercept: 2x = 12   ⇒   x = 12/2 = 6 . . . . point (6, 0)

  y-intercept: -3y = 12   ⇒   y = 12/-3 = -4 . . . . point (0, -4)

__

Additional comment

The intercepts can be used as two points on the line when you want to graph it. They can also be used to estimate the quadrant of the solution when you are working with a system of two equations.

For example, these intercepts tell you there will be no solutions in quadrant II. Any solutions in the first quadrant will have x-values greater than 6. Any in the third quadrant will have y-values less than -4.

If you want other solutions, it is convenient to choose x-values that are multiples of 3, and/or y-values that are multiples of 2. These will ensure integer solutions.

#95141404393

Answer:

m∠6 = 50°

Step-by-step explanation:

We know that angles 3 and 6 are same side interior angles.  Whenever a traversal cuts through two parallel lines (AB and CD), the sum of the same side interior angles is always 180.

Thus, we can find the measure of ∠6 by subtracting the measure of ∠3 from 180:

m∠6 + m∠3 = 180°

m∠6 + 130° = 180°

m∠6 = 50°

Answer:

8 3/4

Step-by-step explanation:

First convert mixed number into improper fraction

3 3/4= multiply whole number by denominator, then add the numerator 3*4+3= 15/4

2 1/3= 2*3+1= 7/3

15/4*7/3= 8 3/4

The y-intercept is 40.5 the machine starts with 40.5 ounces of diet soda.

Option B is the correct answer.

We have,

From the graph plot,

We see that,

The y-intercept is when x = 0.

This means,

At 0 hours, the amount of diet soda is 40.5.

Now,

y = 40.5 means the machine starts with 40.5 ounces of diet soda.

Thus,

The y-intercept is 40.5 the machine starts with 40.5 ounces of diet soda.

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The reduced row echelon form of the matrix is given as follows:

[tex]\left[\begin{array}{cccc}1&0&0&-7\\0&1&0&2\\0&0&1&4\end{array}\right][/tex]

The row echelon form of a matrix contains the entire matrix except the last column in the format of an identity matrix, with the last column containing the solution to the system of equations represented by the matrix.

This means that the first 3 rows and first 3 columns of the matrix are constant, as follows:

[tex]\left[\begin{array}{cccc}1&0&0&a\\0&1&0&b\\0&0&1&c\end{array}\right][/tex]

The coefficients a, b and c are the solutions to the system of equations defined by the matrix in this problem.

Considering the matrix, the system of equations is given as follows:

Multiplying the last equation by 2 and adding with the second equation, the value of y is obtained as follows:

-4y = -8

4y = 8

y = 2.

The value of z is given as follows:

z = 6 - y

z = 4.

The value of x is given as follows:

7x = -63 + y + 3z

7x = -63 + 2 + 14

7x = -49

x = -7.

Hence the row-echelon form of the matrix is given as follows:

[tex]\left[\begin{array}{cccc}1&0&0&-7\\0&1&0&2\\0&0&1&4\end{array}\right][/tex]

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Answer:

40 slices

Step-by-step explanation:

I rounded 38 to 40 and divided by 8

Answer:

=4(2x-5y)-3x    first we multiply 4(2x-5y)⇒4(2x) and 4(5y) =8x-20y    then it becomes,

=8x-20y-3x   collect like term (8x & -3x)

=8x-3x-20y        8x-3x=5x  so,

=5x-20y

Introducing numeracy to young children can be done through various types of equipment and resources that engage their senses and make learning math concepts more interactive and enjoyable.

Here are some different types of equipment commonly used to introduce numeracy to young children:

Thus, by incorporating a variety of equipment and resources, educators and parents can create a rich learning environment that supports children's numeracy development and fosters a positive attitude towards math.

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[tex]\qquad \qquad \textit{direct proportional variation} \\\\ \textit{\underline{y} varies directly with \underline{x}}\qquad \qquad \stackrel{\textit{constant of variation}}{y=\stackrel{\downarrow }{k}x~\hfill } \\\\ \textit{\underline{x} varies directly with }\underline{z^5}\qquad \qquad \stackrel{\textit{constant of variation}}{x=\stackrel{\downarrow }{k}z^5~\hfill } \\\\[-0.35em] ~\dotfill[/tex]

[tex]\stackrel{\textit{"v" varies directly with "x"}}{v = k(x)}\hspace{5em}\textit{we also know that} \begin{cases} x=32\\ v=20 \end{cases} \\\\\\ 20=k(32)\implies \cfrac{20}{32}=k\implies \cfrac{5}{8}=k\hspace{8em}\boxed{v=\cfrac{5}{8}x} \\\\\\ \textit{when x = 24, what's v?}\qquad v=\cfrac{5}{8}(24)\implies v=15[/tex]

All of the given equations y = |x| + 3, y = x^2 + 3x, y = 2x + 1, and y = x^2 - 5x represent functions because they meet the criteria of assigning a unique output value to each input value.

A function is a mathematical relation that assigns a unique output value to each input value. To determine which of the given equations represent functions, we need to analyze if there is a unique output for each input.

(1) y = |x| + 3: This equation represents a function. For every input value of x, the absolute value of x is taken and then added to 3, resulting in a unique output value for each input.

(2) y = x^2 + 3x: This equation represents a function. The variable x is squared, multiplied by 2, and then 3 is added to it. Again, this process ensures that for each input value of x, there is a unique output.

(3) y = 2x + 1: This equation represents a function. It is a linear equation where the output (y) is determined by multiplying the input (x) by 2, then adding 1. The process guarantees a unique output for each input.

(4) y = x^2 - 5x: This equation represents a function. The input value of x is squared and then multiplied by x, and the result is subtracted from 5x. This equation follows the definition of a function, providing a unique output for every input.

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The blanks are filled as shown

1. central angle

2. Inscribed angle

3. Radius

4. Secant

5. diameter

6. Tangent

7. Arc XW = 75 degrees

8. Arc VWY = 265 degrees

9. x = 3

.

Central Angle: In geometry, a central angle is an angle formed by two radii (or line segments) that originate from the center of a circle and intersect at a point on the circumference.

Inscribed Angle: An inscribed angle is an angle formed by two chords of a circle that intersect at a point on the circle's circumference. The vertex of the angle lies on the circle, and the sides of the angle are the chords.

7. Arc XW

= 180 - 105

= 75 degrees

8. Arc VWY

= 75 + 105 + 85

= 265 degrees

9. The length of the tangents are equal

8x + 2 = 26

8x = 26 - 2

8x = 24

x = 3

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The circle is solved and Chord CD is shorter than chord AB

Given data ,

Let the chord of the circle be represented as CD and AB

where the measure of length of CD = 3 inches

And , the measure of length of chord AB = 5 inches

So , Chord CD is shorter than chord AB

Hence , the chords are solved and Chord CD is shorter than chord AB

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The complete question is attached below :

In circle P, chord AB is 3 inches from the center and chord CD is 5 inches from the center. Chord CD is ____ than chord AB.A. longer

B. congruent

C.shorter

D. proportional

The solution is:

Perimeter = 4 units

Explanation:

here, we have,

A perimeter is a closed path that encompasses, surrounds, or outlines either a two dimensional shape or a one-dimensional length. The perimeter of a circle or an ellipse is called its circumference. Calculating the perimeter has several practical applications.

we have,

The perimeter of a figure is the measures of the distance around it.

Now in our case EFGH is a square with side length 1.

Since a square has 4 side lengths, its perimeter is

1 + 1 + 1 + 1 = 4

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complete question:

What is the perimeter of square EFGH?Perimeter = ____ units