dave wants to buy a new collar for each of his 5 cats. the collars come in a choice of 9 different colors. step 1 of 2 : how many selections of collars for the 5 cats are possible if repetitions of colors are allowed?

The number of people who are not season ticket holders can be found by subtracting the number of season ticket holders from the total number of attendees:

110801 - 4922 = 105879

Therefore, there are 105879 people who are not season ticket holders.

a)  the number of sides = 24 sides (b) interior angle= 158.75° (c) sum of interior angles = 4080° (d) lines of symmetry = 12 (e) rotational symmetry of order  = 24.

a) To find the number of sides of a regular polygon given the value of its exterior angle, we use the formula:

360°/exterior angle = number of sides

So, for an exterior angle of 15°, we have:

360°/15° = 24 sides

b) To find the value of one interior angle, we use the formula:

interior angle = (number of sides - 2) * 180°/number of sides

So, for a polygon with 24 sides, we have:

interior angle = (24 - 2) * 180°/24

interior angle= 158.75°

c) The sum of the interior angles of a polygon with n sides is given by the formula:

sum of interior angles = (n - 2) * 180°

So, for a polygon with 24 sides, we have:

sum of interior angles = (24 - 2) * 180° = 4080°

d) To find the number of lines of symmetry of a regular polygon, we find the highest number of rotations that will produce the same figure. A regular polygon has n lines of symmetry if it can be divided into n equal parts by rotations of 360°/n.

So, for a regular polygon with 24 sides, we have:

lines of symmetry = 360°/interior angle = 360°/158.75° = 24/2 = 12

e) To find the order of rotational symmetry of a regular polygon, we find the number of rotations that will produce the same figure.

A regular polygon has rotational symmetry of order n if it can be divided into n equal parts by rotations of 360°/n.

So, for a regular polygon with 24 sides, we have:

rotational symmetry of order = 360°/exterior angle = 360°/15° = 24.

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Answer:

Plug your values into the equation A=1/2bh and do the math. First multiply the base (b) by 1/2, then divide the area (A) by the product. The resulting value will be the height of your triangle!

Step-by-step explanation:

The value of ZE angle is 72 degree and LF is 18 degree.

Complementary and supplementary angles are defined as the addition of two angles. If the sum of two angles is 180 degrees, one is a complementary angle and together they form a linear angle. When the sum of two angles is 90 degrees, they are called complementary angles and together form a right angle.

ZE and LF are complementary. The measure of ZE is 54° more than the measure of LF.

let ZE angle value is x

and ZE is 54 degree more than LF

LF + 54 = ZE  degree  

When the sum of two angles is equal to 90 degrees, they are called complementary angles.

LF +ZE = 90 degree

x+x-54 = 90

2x = 36

x = 18

so ZE angle = 72 degree and LF is 18 degree

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If there are 8 men and 5 women , then the number of ways of selecting a 4 people committee is 715 ways  .

The number of ways to select a committee of 4 people from a group of 13 people, where 5 are women and 8 are men, is calculated by Combination ;

where , "n" is = total number of people, "r" is = number of people to be selected,

In this case, we have:

the total number of people is = 8 + 5 ⇒ n = 13 ;

the number of committee member to be selected is "r" = 4 ;

So, the number of ways to select a committee of 4 people from a group of 13 people is  :  ¹³C₄ = 715 ways ;

Therefore, there are 715 ways to select a committee of 4 people from a group of 5 women and 8 men.

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The given question is incomplete , the complete question is

There are 5 women and 8 men is a department . Find the Number of ways can a committee of 4 people be selected ?

Step-by-step explanation:

A.Rational because by using the discrmant formula, Since our coefficients are integers, and if we get a perfect square, inside a radicand , we will have a rational numbers.

For example:

[tex] \sqrt{ {7}^{2} - 4(4)(3) } = \sqrt{49 - 48} = \sqrt{1} = 1[/tex]

Since root 1, is a perfect square, we will have rational roots.

B.

[tex] {b}^{2} - 4ac < 0[/tex]

[tex]49 - 16c < 0[/tex]

[tex] - 16c < - 49[/tex]

[tex]c > \frac{49}{16} [/tex]

If c is greater than 49/16, we will have no x intercepts.

The ordered pair that represent the number of red beads and gold beads is A. D, and E.

Majority of the explanations for ratio and proportion use fractions. A ratio is a fraction that is expressed as a:b, but a proportion says that two ratios are equal. In this case, a and b can be any two integers. The foundation for understanding the numerous concepts in mathematics and science is provided by the two key notions of ratio and proportion.

From the table we observe that the number of red beads and the gold beads are in the proportion x : y = 4 : 3.

Using the proportion we see that:

A: (20, 15) = 20 : 15 = 4 : 3

D: (80,60) = 4: 3

E = (100, 25)= 4:3

Hence, the ordered pair that represent the number of red beads and gold beads is A. D, and E.

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If AB = 19 and AC = 17 then the value of x be 95/9 or 10.5555.

In geometry, a line that divides an angle into two equal angles is referred to as an angle bisector. By definition, a bisector is something that divides an object or a shape into two equal parts. A ray is said to be an angle bisector if it divides an angle into two equal portions of the same measure.

The ray, line, or segment that divides an angle into two equal portions is known as the angle bisector in geometry. A 60-degree angle, for instance, will be split into two angles of 30 degrees each by an angle bisector. To put it another way, it separates one angle into two smaller congruent angles.

The segment AD bisects angle BAC.

Given: AB = 19 and AC = 17

AD is an angle bisector of BAC and divides the opposite side into segments that are proportional to the other two sides, that is

Let the equation be

[tex]$& \frac{B D}{C D}=\frac{A B}{A C}(\text { substitute values ) } \\[/tex]

[tex]$& \frac{x}{20-x}=\frac{19}{17}(\text { cross- multiply) } \\[/tex]

Simplifying the above equation, we get

[tex]$$x \cdot 17=380-19 x$$[/tex]

36x = 380

Divide both sides by 36, we get

[tex]$\frac{36 x}{36}=\frac{380}{36}$$[/tex]

x = 95/9 = 10.5555

Therefore, the value of x be 95/9 or 10.5555.

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For the required linear function , the height of the candle when the amount of time for  burning a candle is 16 hours is equal to 18.8 centimeters.

Let 'h' be the height of the candle.

And 't' be the amount of time used for burning.

Required linear function is :

h = mt + c

When t = 8 hours  , h = 20.4centimeters

20.4 = 8m + c ___(1)

When t = 19 hours  , h = 18.2centimeters

18.2 = 19m + c ___(2)

Subtract (2) from (1) we get,

20.4 = 8m + c

18.2 = 19m + c

2.2 = -11m

⇒ m = -2.2 / 11

⇒ m = -0.2

Substitute in (1) we get,

20.4  = 8( -0.2 ) + c

⇒ c = 20.4 + 1.6

⇒ c = 22

Now , h = -0.2t + 22

When t = 16 hours

⇒ h = -0.2(16) + 22

⇒ h = -3.2 + 22

⇒ h = 18.8 centimeters

Therefore, the height of the candle when amount of time of burning is 16 hours is equal to 18.8 centimeters.

The above question is incomplete, the complete question is:

Suppose that the height (in centimeters) of a candle is a linear function of the amount of time (in hours) it has been burning. After 8 hours of burning, a candle has a height of 20.4 centimeters. After 19 hours of burning, its height is 18.2 centimeters. What is the height of the candle after 16

hours?

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There are 11 observations in the subset data.e need to count the number of observations in the subset data.

1. First, we need to filter out the observations that have a date on or after May 1, 1975. For this, we can use the following code:

x3[x3$DATE >= "1975-05-01",]

2. Then, we need to count the number of observations in the subset data. We can do this by using the nrow() function:

nrow(x3[x3$DATE >= "1975-05-01",])

The output is 11.

If we wanted to subset the data set to include only observations that have a date on or before February 1, 1985, we can use the following code:

x3[x3$DATE <= "1985-02-01",]

Then, we can count the number of observations in the subset data usingthe nrow() function:

nrow(x3[x3$DATE <= "1985-02-01",])

The output is 19.

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If the plane is descending at the rate of 3200 feet per minute , then equation to represent this situation is (a) y = 35600 - 3200x  .

The airplane is descending from 35,600 feet at a rate of 3200 feet per minute. which means that the altitude (y) is decreasing by 3200 feet per minute, so we can represent this situation using a linear equation of the form ⇒ y = mx + b ;

where m = rate of change (or slope) and b = initial value .

In this case, the rate of change is -3200 feet per minute (because the altitude is decreasing), and the initial value (y intercept) is 35,600 feet. So, we can write the equation as : y = -3200x + 35600

Therefore , the equation representing the situation is y = 35600 - 3200x  .

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The given question is incomplete , the complete question is

An airplane is descending from 35,600 feet at a rate of 3200 feet per minute. If y represents total feet and x represents minutes, write an equation to represent this situation.

(a) y = 35600 - 3200x

(b) y = 3200x + 35600

(c) y = -35600 - 3200x

(d) y = -35600x + 3200

Answer:

Let's call Akanksha's present age "x". After 42 years, her age will be "x + 42". And, as stated in the problem, her age after 42 years will be 4 times her present age, so:

x + 42 = 4x

Solving for x, we can isolate x on one side of the equation:

x + 42 = 4x

3x = 42

x = 14

So Akanksha's present age is 14 years old.

The area of the shaded region is 12.5 square inches.

First we can subtract the area of the smaller triangle from the area of the larger triangle.

The larger triangle has a base of 8 inches and a height of 5 inches, so its area is:

(1/2) * base * height = (1/2) * 8 in. * 5 in. = 20 in²

The smaller triangle has a base of 3 inches and a height of 5 inches, so its area is:

(1/2) * base * height = (1/2) * 3 in. * 5 in. = 7.5 in²

Subtracting the area of the smaller triangle from the area of the larger triangle, we get:

20 in² - 7.5 in² = 12.5 in²

Therefore, the area of the shaded region is 12.5 square inches.

Therefore the option is F. 15 in² (none of the given answer choices match the calculated area of 12.5 in²)

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The value of x is given as follows:

[tex]x = 2.5\sqrt{2}{/tex]

The Pythagorean Theorem states that for a right triangle, the length of the hypotenuse squared is equals to the sum of the squared lengths of the sides of the triangle.

For a right triangle with an angle of 45º, we have that:

This is because the angle of 45º has an equal value of the sine and of the cosine.

Hence the side length of the top triangle is given as follows:

s = 5.

For the bottom triangle, the side length is of x, while the hypotenuse is of 5, hence:

x² + x² = 5²

2x² = 25

[tex]x = \sqrt{\frac{25}{2}}[/tex]

[tex]x = \frac{5}{\sqrt{2}} \times \frac{\sqrt{2}}{\sqrt{2}}[/tex]

[tex]x = 2.5\sqrt{2}{/tex]

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The statements that MUST be true based on the given information are:

For Quadrilateral C, if all four sides are congruent, then opposite sides are parallel and opposite angles are congruent. This can be proven using the fact that in an isosceles trapezoid (which is a special case of Quadrilateral C), opposite angles are congruent.

For Quadrilateral L, having two pairs of parallel sides and congruent diagonals means that it is a parallelogram with congruent diagonals. This type of parallelogram is known as a rhombus, and its opposite angles are congruent. Additionally, in a rhombus, consecutive angles are not necessarily supplementary or congruent.

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Answer: a and b

Step-by-step explanation: lol it obvious

Answer: Quadrilateral, Parallelogram

Step-by-step explanation:

A Quadrilateral is any closed 4 sided figure

A Parallelogram is a quadrilateral with two sets of parallel and opposite sides.

Answer: 4(9a-4) and x = 18

Step-by-step explanation:

36a - 16 a common factor in this is 4 so if we factor out 4 we would get

4(9a-4)

1/2x - 7 = 1/3(x-12) we would distribute out the 1/3 so 1/3x and 1/3 x - 12 which would simply into 4

1/2x - 7 = 1/3x - 4 get the x's into one side so subtract 1/3x and add 7 on both sides

1/2x - 1/3x = 3 --- multiply 1/2x with 3/3 and 1/3x with 2/2

3/6x - 2/6x = 3

1/6x = 3 --- isolate x by multiplying 6 on both sides

x = 18

i don't know sorry i have no idea sorry i don't know sorry sir

Answer:

Step-by-step explanation:

For example, we have 8, which is not a perfect square

square root of(8)

we divide 8 by prime numbers, until it gets to 1

8/2

4/2

2/2

1

We have divided our number 8 with 2 by 3 times.

Now we pair the numbers.

2 with 2, and the third 2 remains.

the pairs will be in front of the squareroot, and what remains will remain in the squareroot.

squareroot(8) = 2[tex]\sqrt{2}[/tex]

Let's take another number

32

Divide it in prime numbers

32/2

16/2

8/2

4/2

2/2

1

We have 2 pairs of 2 and on remaining 2

We multiply the pairs together, and we get 4 in front of the squareroot.

squareroot(32) = 4[tex]\sqrt{2}[/tex]

Let's take 21

21/7

3/3 (3 is a prime number also 5,7,11,13,17 etc)

1

-This one doesn't have a short answer that could be written.

take 80

80/2

40/2

20/2

10/2

5/5

1

We have 2 pairs of 2 and a 5

squareroot(80) = 4[tex]\sqrt{5}[/tex]

5/6 rounded to two decimal places is -0.83

What is simplification?

The technique of reducing phrases to expressions that do not cause changes or values is known as simplification.

To simplify -0.83333333333, you can write it as a fraction by dividing -5 by 6:

-0.83333333333 = -5/6

Then, to round it to a certain decimal place, you can use the following rules:

For example, if you want to round -5/6 to two decimal places:

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The equation of the trend line in the graph can be found to be y = 5 x + 15

The equation of the trend line takes the form :

y = Slope ( x ) + y intercept

From the diagram, we know the y - intercept is 15 as this is where the line intercepts the y - axis.

The slope can be found by picking a point and using the formula. We will pick ( 1, 20 ).

The slope is:

20 = Slope ( 1 ) + 15

Slope = 20 - 15

Slope = 5

The equation is:

y = 5 x + 15

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Answer: x=4

Step-by-step explanation: as you saw everything is multiplied by 5 this means the 4 became a 20.

3x+8=20

-8 on both sides

3x=12

divide both sides by 3

x=4

the probability of having 4 months containing exactly 2 birthdays and 4 months containing exactly 3 birthdays among 20 people is approximately 0.000008, or about 0.0008%

The problem of calculating the probability of a certain pattern of birthdays among a group of people can be approached using the techniques of combinatorics and probability. To calculate the probability of having 4 months containing exactly 2 birthdays and 4 months containing exactly 3 birthdays among 20 people, we can use the following steps: First, we need to choose which 4 months will have exactly 2 birthdays and which 4 months will have exactly 3 birthdays. There are 12 months to choose from, so the number of ways to make these choices is given by the binomial coefficient: C(12, 4) × C(8, 4). This is the number of ways to choose 4 months out of 12 to have exactly 2 birthdays, multiplied by the number of ways to choose 4 months out of the remaining 8 to have exactly 3 birthdays. Next, we need to assign the people to the months. To do this, we can use the principle of inclusion-exclusion, which states that the number of ways to assign the people to the months so that each of the chosen months has the correct number of birthdays is: N = (20!/(2!²× 3!⁴)) × (4¹² - 6 × 3¹² + 4 × 2¹²). This expression counts the number of ways to distribute the 20 people among the 12 months so that the chosen months have the correct number of birthdays, and subtracts the cases where one or more of the chosen months have too many or too few birthdays. The factor (20!/(2!⁸ × 3!⁴)) accounts for the fact that we are counting distinguishable arrangements of people. Finally, we can calculate the probability of the desired pattern of birthdays by dividing the number of favorable outcomes (N) by the total number of possible outcomes, which is simply the total number of ways to assign the people to the months, given by: 12²⁰. Putting it all together, we get: P(4 months with 2 birthdays, 4 months with 3 birthdays) = N / 12²⁰. Evaluating this expression gives: P(4 months with 2 birthdays, 4 months with 3 birthdays) ≈ 0.000008. Therefore, the probability of having 4 months containing exactly 2 birthdays and 4 months containing exactly 3 birthdays among 20 people is approximately 0.000008, or about 0.0008%.

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Answer:

25 minutes

Step-by-step explanation:

Subtract the two times to find the duration.

a. The projectile will be at a height of 576 ft above the ground after 1.43 seconds and after 5.56 seconds.

b. The projectile will crash on the ground after 9.84 seconds.

The solution has been obtained by solving the equation.

What is an equation?

A mathematical equation is a formula that uses the equals symbol (=) to connect two expressions and express their equality.

We are given an equation as h = -16t² + v₀t + 448

Also v₀ is given as 112.

a. In order to find the time (t) the projectile will be at a height of 576 ft above the ground, we need to substitute h = 576 and v₀ = 112.

On substitution, we get

⇒h = -16t² + v₀t + 448

⇒576 = -16t² + 112t + 448

⇒36 = -t² + 7t + 28                (On dividing both sides by 16)

⇒0 = -t² + 7t - 8  

⇒t² - 7t + 8 = 0  

On solving the equation using the quadratic equation formula, we get

t = (7 ± √49 - 32)/2

t = 1.43 or 5.56

So, it will be at height 576 ft after 1.43 seconds and after 5.56 seconds.

b. Similarly, now we will put h = 0 and v₀ = 112.

Now, we get

⇒0 = -16t² + 112t + 448

⇒t² - 7t - 28 = 0                (On dividing both sides by 16)

On solving the equation using the quadratic equation formula, we get

t = (7 ± √49 + 112)/2

t = 9.84 or -2.84

Since, time cannot be negative, so it will crash after 9.84 seconds.

Hence, the projectile will be at 576 ft after 1.43 seconds and after 5.56 seconds and will crash on the ground after 9.84 seconds.

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Let's call the number of hours of labor required to replace the water pump as "x".

The total cost of the water pump and labor was $668, so we can write an equation:

$490 + $89x = $668

Now we can solve for x by subtracting $490 from both sides:

$89x = $668 - $490

$89x = $178

And finally, dividing both sides by $89:

x = $178 / $89

x = 2 hours

So, 2 hours of labor were required to replace the water pump.

The value of x is given as follows:

x = 40.5.

Similar triangles share these two features:

The two triangles in this problem are similar, with the bisection, hence the proportional relationship for the side lengths is given as follows:

x/45 = 18/20

The relationship can be simplified as follows:

x/45 = 0.9.

Applying cross multiplication, the value of x is obtained as follows:

x = 45 x 0.9

x = 40.5.

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The correlation of 0.5 indicates that the data points are not perfectly related - there is some degree of variation, which could be caused by a number of factors. If some data points have significantly different values than others, they can reduce the overall correlation.

Alternatively, the data could also have other confounding variables, such as additional features that are not considered in the linear relationship between x and y. These additional variables could also reduce the correlation, as they introduce noise into the analysis. In either case, the correlation of 0.5 could be due to the presence of outliers and/or confounding variables.

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