At a football game, a vender sold a combined total of 118 sodas and hot dogs. The number of sodas sold was 50 more than the number of hot dogs sold. Find the number of sodas sold and the number of hot dogs sold

A scientist recorded the duration of the eruptions of the Old Faithful geyser in Yellowstone National Park that occurred during a one-month time period. The histogram below shows the distribution of the duration, in seconds, of the eruptions. By analyzing this data, the scientist can gain a better understanding of the behavior of the Old Faithful geyser and potentially make predictions about future eruptions.

The histogram shows that the majority of the eruptions had a duration between 120 and 140 seconds. There were also a significant number of eruptions with a duration between 100 and 120 seconds, and between 140 and 160 seconds.

It can also help them identify any unusual eruptions that may have a significantly shorter or longer duration than the majority of the eruptions
This data can help the scientist understand the typical duration of eruptions at the Old Faithful geyser in Yellowstone National Park..

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Answer:

y = x - 2

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

calculate m using the slope formula

m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]

with (x₁, y₁ ) = (0, - 2) and (x₂, y₂ ) = (2, 0) ← 2 points on the line

m = [tex]\frac{0-(-2)}{2-0}[/tex] = [tex]\frac{0+2}{2}[/tex] = [tex]\frac{2}{2}[/tex] = 1

the line crosses the y- axis at (0, - 2 ) ⇒ c = - 2

y = x - 2 ← equation of line

Answer: Yes the soultuion is corrrect

Step-by-step explanation:

The integers and radius for different circles as instructed are; (1.) Circle A (1, 3) with r= 3   (2.) Circle B (5, 3) with r= 5.

1. On a y and x graph, create a dot and get the integers for the dot which are the numbers you find when you trace the dot to the x and y axis.

Integers are a set of numbers that include positive numbers, negative numbers, and zero. Integers are whole numbers (not fractions or decimals) that can be represented on the number line. Examples of integers include -3, -2, -1, 0, 1, 2, 3, and so on.

For the diagram below, diagram A and B share a similar point at the y axis and a different point at the x axis. There integers are

A ( 1, 3) and

B (5, 3)

The radius of choice for A is r= 3

The radius of choice for B is r= 5

Therefore the diagram should look like the one in the attached file.

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The number of triangles that can be formed from a common vertex on the polygon shown is three triangles.

To form triangles on polygons, you can draw diagonals connecting the vertices of the polygon. A diagonal is a line segment that connects two non-adjacent vertices of a polygon. By drawing diagonals, you can create triangles within the polygon.

From a hexagon, we can draw three diagonals from each vertex. So, from a common vertex, we can draw three diagonals and form three triangles. Since there are six vertices in a hexagon, we can choose any one of these vertices as the common vertex and form three triangles.

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The solution to the expression (5x² - 6x) / 3x is (5/3)x - 2

An equation is an expression that shows the relationship between numbers and variables using mathematical operators such as addition, subtraction, exponent, multiplication and division.

Equations can be classified based on degree as linear, quadratic, cubic and so on.

Given the polynomial:

5x² - 6x

Dividing the polynomial by the monomial 3x:

= (5x² - 6x) / 3x

= [x(5x - 6)] / 3x

= (5x - 6) / 3

= (5/3)x - 2

The solution to the equation is (5/3)x - 2

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a .The probability that x of the top 25 pairs play east-west is: P(X = x) = (25 choose x) / (50 choose 25) , b. The probability that the top 5 pairs all play in the same direction is: P(all 5 play the same direction) = (1/2) * (24/49) * (23/48) * (22/47) * (21/46), c. The pmf of X is given by P(X = x) = [(n choose x) * (n choose n - x)] / [(2n choose n)], and the expected value and variance of X are E(X) = n/2 and V(X) = (n² - 1)/12.

P(X = x) = [(n choose x) * (n choose n - x)] / [(2n choose n)] yields the pmf of X. , and X's expected value and variance are, respectively, E(X) = n/2 and V(X) = (n² - 1)/12.

(a) Let X be the number of top 25 pairs that play east-west. Since there are 25 east-west pairs and 25 north-south pairs, the total number of ways to choose 25 pairs to play east-west is (50 choose 25) = 50! / (25! * 25!). Similarly, the total number of ways to choose x top pairs to play east-west is (25 choose x) * (25 choose 25 - x) = (25 choose x), since the remaining 25 pairs automatically play east-west. Therefore, the probability that x of the top 25 pairs play east-west is:

P(X = x) = (25 choose x) / (50 choose 25)

(b) The probability that the top pair plays east-west is 25/50 = 1/2. Once the top pair has been assigned a direction, the probability that the second pair plays in the same direction is 24/49, the probability that the third pair plays in the same direction is 23/48, and so on. Therefore, the probability that the top 5 pairs all play in the same direction is:

P(all 5 play the same direction) = (1/2) * (24/49) * (23/48) * (22/47) * (21/46)

(c) Let X be the number of top n pairs that play east-west, where there are 2n pairs total. Then X can take on values from 0 to n. To find the pmf of X, we can use the same method as in part (a):

P(X = x) = [(2n - n) choose x] / [(2n) choose n]

= [(n choose x) * (n choose n - x)] / [(2n choose n)]

The expected value of X is:

E(X) = sum[x * P(X = x), {x, 0, n}]

= sum[x * (n choose x) * (n choose n - x) / (2n choose n), {x, 0, n}]

Using the identity sum[x * (n choose x) * (n choose k - x), {x, 0, k}] = k * (n choose k), we can simplify this to:

E(X) = n/2

The variance of X is:

V(X) = E(X²) - E(X)²

= sum[x² * P(X = x), {x, 0, n}] - (n/2)²

= sum[x * (n choose x) * (n choose n - x) / (2n choose n), {x, 0, n}] - (n/2)²

= (n² - 1)/12

Therefore, the pmf of X is given by P(X = x) = [(n choose x) * (n choose n - x)] / [(2n choose n)], and the expected value and variance of X are E(X) = n/2 and V(X) = (n² - 1)/12, respectively.

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We have drawn the number line and included the given points, see attached number line.  

What is the fraction?

A fraction is used to represent the portion/part of the whole thing. It represents the equal parts of the whole. A fraction has two parts, namely the numerator, and denominator. The number on the top is called the numerator, and the number on the bottom is called the denominator.

On the number line above, the decimal values and fractions are labeled as follows:

0.63 is labeled between 0 and 1.

34/100 is labeled at the same point as 0.34, between 0 and 1.

0.02 is labeled between 0 and 1.

7/10 is labeled at the same point as 0.7, between 0 and 1.

Therefore, we have drawn the number line and included the given points, see attached number line.  

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Answer: They are not similar.

Step-by-step explanation: The angle measures are not the same for both triangles which makes them not similar to each other.

Answer:

B

Step-by-step explanation:

The only way for two numbers to = zero when they're added together is if one is negative. There are no two positive numbers that when added together will equal 0, therefore if p and t are positive, their sum cannot be 0

The approximate speed of the car when the skid marks are 20 feet long is 8.944 miles per hour.

A formula is an expression in mathematics that denotes a connection or rule. In mathematics, science, and engineering, numbers and variables are described and computed using formulas. They can be stated verbally or symbolically, such as in verbal descriptions, or mathematically or symbolically, such in algebraic equations. Formulas can be applied to evaluate data, solve issues, and make predictions. They are utilised in a variety of disciplines, including physics, chemistry, biology, finance, and statistics, and are crucial for comprehending and explaining the physical world.

The skidding distance is given by the formula:

d = 2 * √(5x)

Isolating the value of x we have:

x = (d / (2 * √(5)))

Substituting the value of d = 20 we have:

x = (20 / (2 * √(5))) ≈ 8.944 miles per hour

Hence, the approximate speed of the car when the skid marks are 20 feet long is 8.944 miles per hour.

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Using the trigonometry function, the value of y = 3√2.

The area οf mathematics knοwn as trigοnοmetry is cοncerned with analyzing the relatiοnships between the sides and angles οf a right-angled triangle. A trigοnοmetric ratiο called the sides' ratiο serves as a representatiοn οf the relatiοnship. Trigοnοmetric ratiοs cοme in six varieties: sine, cοsine, tangent, cοtangent, secant, and cοsecant.

Trigοnοmetric functiοns are used tο calculate the lengths and angles οf geοmetric fοrms frοm knοwn οr measured angles. As a result οf the need tο cοmpute angles and distances in numerοus fields, including astrοnοmy, mapmaking, surveying, and artillery range finding, trigοnοmetry was develοped.

Since it is a 90-60-30 triangle, y is s √2

s = 3

so, y = 3√2

y = 3√2

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Answer:

8.2km

Step-by-step explanation:

North and East are perpendicular directions;

If you illustrate the distances covered in each direction and join the two lines, it will form a right-angle triangle;

This means pythagoras applies:

(8)² + (2)² = 64 + 4 = 68

The distance apart is, therefore:

[tex] \sqrt{68} = 8.2462112512 [/tex]

Answer:

  99.6 cm²

Step-by-step explanation:

You want to know the area of a sector that has radius 6 cm, and subtends an arc of 317°.

The formula for the area of a sector is ...

  A = 1/2r²θ . . . . . . where θ is the central angle in radians

  A = 1/2(6 cm)²(317·π/180) ≈ 99.6 cm²

The area of the sector is about 99.6 square centimeters.

The average daily balance is $1,000, the finance charge is $14.7, and the new balance is $3,029.4.

To calculate the average daily balance, finance charge, and new balance using the average daily balance method, follow the below steps:

Step 1: Obtain the balance owed for each day. To do so, determine the balance at the beginning of each day and the amount charged or credited during the day.

Step 2: Add up the balances for each day during the billing cycle, then divide by the number of days in the billing cycle. This calculation results in the average daily balance.

Step 3: Multiply the average daily balance by the daily interest rate to calculate the finance charge.Step 4: Add the finance charge to the previous balance to get the new balance. Example: Suppose an account has the following daily balances and APR, calculate the average daily balance, finance charge, and new balance using the average daily balance method:

Day 1 balance: $1,000Day 2 balance: $1,200Day 3 balance: $800Day 4 balance: $1,000APR: 18%The number of days in the billing cycle is 30.Average daily balance:($1,000 + $1,200 + $800 + $1,000) ÷ 4 = $1,000Finance charge:$1,000 × 0.18 ÷ 365 = $0.49 per day.$0.49 × 30 = $14.7New balance: Previous balance + finance charge = $3,014.7 + $14.7 = $3,029.4

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The difference in commission for selling goods worth Rs. 20 lakhs and Rs. 30 lakhs is Rs. 7,500.

The commission on sales worth Rs. 20 lakhs would be:

1% of (20 lakhs) = 0.01 x 20,00,000 = Rs. 20,000

The commission on sales worth Rs. 30 lakhs would be:

1% of (25 lakhs) + 1.5% of (5 lakhs) = (0.01 x 25,00,000) + (0.015 x 5,00,000) = Rs. 27,500

The difference in commission between the two sales would be:

Rs. 27,500 - Rs. 20,000 = Rs. 7,500

Therefore, the difference in commission for selling goods worth Rs. 20 lakhs and Rs. 30 lakhs is Rs. 7,500.

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The angle of depression from the sun that makes the shadow is 69.1°.

The angle of depression from the sun can be calculated using the formula, tan θ = h/l, where θ is the angle of depression, h is the height of the building, and l is the length of the shadow. In this case, h is 400ft, and l is 75ft. Plugging these numbers into the formula gives us tan θ = 400/75, which simplifies to [tex]θ = tan^-1(400/75)[/tex]. Using a calculator, this gives us an angle of depression of θ = 69.1°. Therefore, the angle of depression from the sun that makes the shadow is 69.1°.

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Step-by-step explanation:

To solve this problem, we can use the formula for pressure:

pressure = force / area

We are given the pressure and the force, so we can rearrange the formula to solve for the area:

area = force / pressure

Substituting the values we have:

area = 180 N / 200 N/m²

area = 0.9 m² (to 1 decimal place)

Therefore, the area of the base of the box is 0.9 square meters.

The rate of change of the function f(x) = -2x² + 6x + 1 at x = 1 is approximately 0.302.

What is the definition of a function?

In mathematics, a function is a rule that assigns to each element in a set (called the domain) exactly one element in another set (called the range). In other words, a function takes an input value and produces a unique output value. The input value is usually represented by the variable x, while the output value is represented by the variable y or f(x).

Now,

The rate of change of a function is the slope of the line that connects any two points on the graph of the function. The slope of a line passing through two points (x1, y1) and (x2, y2) is given by:

slope = (y2 - y1)/(x2 - x1)

So to find the rate of change of the function f(x) = -2x² + 6x + 1, we need to choose two values of x and find the corresponding values of f(x), and then calculate the slope of the line passing through these two points.

Let's choose two values of x that are close to each other, say x1 = 1 and x2 = 1.01. Then, we have:

f(x1) = -2(1)² + 6(1) + 1 = 5

f(x2) = -2(1.01)² + 6(1.01) + 1 = 5.0302

Now, we can calculate the slope of the line passing through these two points:

slope = (f(x2) - f(x1))/(x2 - x1) = (5.0302 - 5)/(1.01 - 1) = 0.302

So,

     the rate of change of the function f(x) = -2x² + 6x + 1 at x = 1 is approximately 0.302. Note that the rate of change of a function is not constant, but varies with the value of x.

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Answer:

x=7 & y=-7

Step-by-step explanation:

from the 2nd equation 7x+7y=0 we can get that

x=-y

substitute that into the first equation to get

3y-5y=14

-2y=14

y=-7

then

x=7

Answer:

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

Step-by-step explanation:

Slope of the line can be found by taking two points on the line, (x1, y1) and (x2, y2)

Find the difference in y coordinates, y2 - y1  (called rise)

Find the difference in corresponding x coordinates x2 - x1 (called run)

rise/run gives the slope

Two distinguishable points on the line graph are (0, 1) and (4, 0)

rise = 0 - 1 = - 1
run = 4 - 0 = 4

Slope = -1/4

The equation of the line in general form is

y = mx + b

where

m = slope

b = y-intercept (value of y when x = 0)

Here m = -1/4

b = 1

So equation of the line is

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

Answer: 1. Slope equals 3/4 or 0.75,  2. Slope equals -5/2 or -2.5

Step-by-step explanation:

1. Subtract y coordinates 4 and -2 to get 6. Then subtract x coordinates 4 and -4 to get 8, so that is equal to 6/8. Then simplify to get 3/4 or 0.75

2. Subtract y coordinates 10 and -5 to get -15. Then subtract x coordinates 0 and -6 to get 6, so that is equal to-15/6. Then simplify to get -5/2 or -2.5.

Answer:

50%

Step-by-step explanation:

it's just half 80 so it's 50%

Hence the amount of savings of Rick and Halens is = 9x+24.

When we write any linguistic statement in mathematics form called mathematical expression.

Rick has 3x to start with

Let w = the number of weeks he will save.

Savings = 3x + 3*w  

Let w = 4

Savings = 3x+3*4

Savings = 3x + 12

Halen has twice Rick's amount,

Let w = the number of weeks she will save.

Savings=6x+3w

let w=4

savings=6x+12

Now we come to the question. It seems to want the total combining both of them.

Rick + Halen =  3x+12+6x+12 = 9x+24

Hence the amount of savings of rick and Halens is = 9x+24.

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The two points that a line of fit would go through to best fit the data are (3, 5) and (10, 1).

We need to find which pair of points have a line passing through them that best fits the data. One way to do this is to calculate the slope of the line passing through each pair of points and choose the pair of points with the slope closest to the average slope.

The slope of a line passing through two points [tex](x_1, y_1)[/tex]  [tex](x_2, y_2)[/tex] is given by the formula:

slope = [tex]\frac{(y_2 - y_1)}{ (x_2 - x_1)}[/tex]

Using this formula, we can calculate the slopes of the lines passing through each pair of points:

Pair 1: slope = [tex]\frac{(1 - 4)}{(9-6)}[/tex]  = -1

Pair 2: slope = [tex]\frac{(1 - 5)}{(10-3)}[/tex] = -0.67

Pair 3: slope = [tex]\frac{(1 - 8) }{(10-1)}[/tex] = -0.88

Pair 4: slope =[tex]\frac{ (3 - 5)}{(7-1)}[/tex] = -0.33

The average slope is:

average slope = [tex]\frac{(-1 + (-0.67) + (-0.88) + (-0.33))}{4}[/tex] = -0.72

The pair of points with the slope closest to the average slope is pair 2, with a slope of -0.67. Therefore, the two points that a line of fit would go through to best fit the data are (3, 5) and (10, 1).

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The surface area of the three-dimensional figure represented by this net is 54 square inches, which is calculated by multiplying the area of the base (9 square inches) by the height of the four congruent triangles (8 inches).

The surface area of the three-dimensional figure represented by this net is 54 square inches. To calculate this, first we need to find the area of the base. The base is a square, with side lengths of 3 inches each. Therefore, the area of the base is 3 x 3 = 9 square inches. Next, we need to find the height of the four congruent triangles. The height is 8 inches. Finally, we can calculate the surface area by multiplying the area of the base (9 square inches) by the height of the four congruent triangles (8 inches). This gives us a total surface area of 54 square inches.

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From the given data provided, the probability that number of adults selected in process are 3, less than 5, between 5 and 9, more than 5 but less than 10, 6 or more is 0.096, 0.41, 0.336, 0.232, 0.168 and mean of number of people tested for HIV is 3.6.

(a) The probability that an adult has not been tested for HIV is 1-0.20=0.80. Therefore, the probability that the first adult selected has not been tested for HIV is 0.80. The probability that the first and second adults selected have not been tested for HIV is 0.80 x 0.80=0.64. Continuing in this way, we see that the probability that X adults must be selected until one who has been tested for HIV is found is given by:

P(X≤x) = 1 - 0.80ˣ

(b) Using the formula from (a), we can find the probabilities as follows:

(i) P(X=3) = P(X≤3) - P(X≤2) = (1-0.80³) - (1-0.80²) = 0.096

(ii) P(X<5) = P(X≤4) = 1-0.80⁴ = 0.41

(iii) P(5≤X≤9) = P(X≤9) - P(X≤4) = (1-0.80⁹) - (1-0.80⁴) = 0.336

(iv) P(6≤X<10) = P(X≤9) - P(X≤5) = (1-0.80⁹) - (1-0.80⁵) = 0.232

(v) P(X≥6) = 1 - P(X≤5) = 1 - (1-0.80⁵) = 0.168

(c) To find the mean and variance of X, we first note that X follows a geometric distribution with parameter p=0.20. Therefore, the mean and variance of X are:

Mean of X = E(X) = 1/p = 1/0.20 = 5

Variance of X = Var(X) = (1-p)/p² = 0.8/0.04 = 20

(d) To find the probabilities for a random sample of 18 adults, we use the binomial distribution with parameters n=18 and p=0.20. The probabilities are:

(i) P(X=3) = (18 choose 3) x 0.20³ x 0.80¹⁵ = 0.236

(ii) P(X<5) = P(X≤4) = Σ(18 choose x) x 0.20ˣ x 0.80⁽¹⁸⁻ˣ⁾ for x=0 to 4 = 0.678

(iii) P(5≤X≤9) = Σ(18 choose x) x 0.20ˣ x 0.80⁽¹⁸⁻ˣ⁾ for x=5 to 9 = 0.286

(iv) P(6≤X<10) = Σ(18 choose x) x 0.20ˣ x 0.80⁽¹⁸⁻ˣ⁾ for x=6 to 9 = 0.207

(v) P(X≥6) = 1 - P(X≤5) = 1 - Σ(18 choose x) x 0.20ˣ x 0.80⁽¹⁸⁻ˣ⁾ for x=0 to 5 = 0.322

(e) The mean and variance of X for a sample of 18 adults are:

Mean of X = E(X) = n x p = 18 x 0.20 = 3.6

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Therefore , the solution of the given problem of function comes out to be  f(N) = 360/N the cost per individual for any number of contributors to the gift is provided by this function.

The math lesson includes a wide range of topics, such as mathematics, integers, as well as one's divisions, architecture, and both actual mostly and fictitious geographic locations. The relationships between various components that all cooperate to create the same outcome are covered by a work. A utility is composed of numerous unique elements that work together to produce unique outcomes for each input.

Here,

To figure out how much each individual would spend, we need to divide the cost of the gift by the number of people contributing. Here are the estimates for various populations:

Each person would spend $180 ($360 / 2) if there were two people splitting the expense.

The expense would be divided among three people, who would each pay

=>  $120 = ($360 / 3).

If the cost were divided among five individuals, each person would pay =>  $72 = ($360 / 5).

Ten people would split the expense equally, each spending

=>  $36 =  ($360 / 10).

Each person would spend

=>  $3.60 = ($360 / 100)

if there were 100 people splitting the expense.

II. The algorithm is as follows:

Cost per individual equals total expense / number of individuals

=> f(N) = C/N

where f(N) is the price per individual.

The function for the cost per individual, for instance, is:

=>  f(N) = 360/N

The cost per individual for any number of contributors to the gift is provided by this function.

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