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Math mugshot….probability

The figure given that has exactly two lines of symmetry is C. Rectangle.

A rectangle has two lines of symmetry.

A line of symmetry is a line that divides a shape into two equal parts that are mirror images of each other. In a rectangle, the two lines of symmetry run through the center of the rectangle, dividing it into two congruent halves. These lines of symmetry are perpendicular to each other and bisect both pairs of opposite sides of the rectangle.

Therefore, a rectangle has two lines of symmetry, one horizontal and one vertical, which make it a symmetrical shape.

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Therefore , the solution of the given problem of unitary method comes out to be you can purchase 30 sausage and 70 pepperoni pizzas to serve at your birthday party.

To complete the assignment, make use of the tried-and-true fundamental technique, the actual variables, and any insightful knowledge you gain from the general and detailed questions. In response, customers might be given another opportunity to sample the products. We will miss out on substantial expression gains in programming comprehension if these changes don't take place.

Here,

Let's use "p" for the quantity of pepperoni pizzas and "s" for the quantity of sausage pizzas. Finding p and s values that meet the requirements is necessary.

In light of the information provided:

One pepperoni pizza costs $8.

One sausage pizza costs $6.

100 pizzas are required.

Budget total: $740

To reflect the stated conditions, we can construct the following system of equations:

=> p + s = 100 (1)

=> 8p + 6s = 740 (2)

=> 8p + 8s = 800 (3)

=> 8p + 6s - (8p + 8s) = 740 - 800

=> -2s = -60

=> s = (-60)/(-2)

=> s = 30

=> p + 30 = 100

=> p = 100 - 30

=> p = 70

With a $740 budget, you can purchase 30 sausage and 70 pepperoni pizzas to serve at your birthday party.

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Answer:

a)3.68kg

b)900g

Step-by-step explanation:

a) First off we know that he weighs 4kg now and he weighed 8% less the next week. 8% of 4kg=0.32kg. We then have to subtract 0.32 kilograms from the original weight. 4-0.32=3.68

Your answer for A is 3.68 kg

b) If the baby gains 200g every two weeks, assuming it's a constant rate, he should gain 100g every week. 100*9weeks=900g.

A relationship between two definitions can be seen through the idea of magnitude or distance.

Finding an absolute value of a number requires us to inspect the difference between that figure and zero on a number line; this amount is always positive regardless of whether the initial number was negative or positive. To illustrate, the absolute value of -5 is 5 since there is only five units separating it from zero.

The absolute value primarily entails a totality- recognizing the entirety of someone's peculiarity independent of their direction. It serves as a method of measuring the scope or size of a number without any external parameters or assessment.

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The correct statement regarding the congruence of the two triangles is given as follows:

Yes. We are two right triangles with congruent hypotenuses and a shared congruent side. The triangles are congruent by the HL Triangle Congruence Theorem.

The Pythagorean Theorem states that in a right-angled triangle, the square of the length of the hypotenuse (the longest side) is equal to the sum of the squares of the lengths of the other two sides.

The theorem is expressed as follows:

c² = a² + b².

In which:

The triangles in this problem have:

Hence, applying the Pythagorean Theorem, the missing side also has the same measure for both triangles, hence they are congruent by the HL Congruence Theorem.

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The probability of rolling a number greater than 2 is 2/3

From the question, we have the following parameters that can be used in our computation:

Rolling a number cube once

Using the above as a guide, we have the following:

Sample space,  S = {1, 2, 3, 4, 5, 6}

In the above sample space, we have

Outcomes greater than 2 = {3, 4, 5, 6}

So, we have

P(greater than 2) = n(Outcomes greater than 2)/n(Sample space)

Substitute the known values in the above equation, so, we have the following representation

P(greater than 2) = 4/6

When evaluated, we have

P(greater than 2) = 2/3

Hence, the probability is 2/3

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An equation that will produce the graph shown above include the following: D. 5x² + 5y² = 80.

In Mathematics and Geometry, the standard form of the equation of a circle is represented by the following mathematical equation;

(x - h)² + (y - k)² = r²

Where:

Based on the information provided above, we have the following parameters:

Radius, r = √16 = √80/5

Center, (h, k) = (0, 0).

By substituting the given parameters into the equation of a circle formula, we have the following;

(x - h)² + (y - k)² = r²

(x - 0)² + (y - 0)² = (√80/5)²

5x² + 5y² = 80.

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As a result, when the entire circumference is 20 feet, the Norman window's maximum area measurements are as follows: x = 8 feet, or around 2.546 feet, is the width, Height: 9.087 feet, or about y = 16 - 16/feet.

Perimeter is the total distance around the boundary of a two-dimensional shape, such as a polygon, a circle, or a rectangle. It is the sum of the lengths of all sides or edges of the shape.

Area is a measure of the size or extent of a two-dimensional surface or region. It is the amount of space enclosed within a closed shape or boundary.

Let's assume that the width of the rectangular part of the window is x and the height is y.

The perimeter of the window is given by:

Perimeter = width + height + semicircle circumference

Perimeter = x + y + πx/2

We are given that the total perimeter is 20 feet, so we can write:

x + y + πx/2 = 20

We can solve for y in terms of x:

y = 20 - x - πx/2

The area of the window is given by:

Area = rectangular part area + semicircle area

Area = xy + πx^2/8

We can substitute the expression we obtained for y into the equation for the area:

Area = x(20 - x - πx/2) + πx^2/8

Simplifying this expression, we get:

Area = 20x - (π/2)x^2 + πx^2/8

Area = 20x - (π/2)x^2/4

To find the maximum area, we can take the derivative of the area function with respect to x and set it equal to zero:

d/dx (Area) = 20 - (π/2)x/2 = 0

Solving for x, we get:

x = 8/π

Substituting this value back into the expression for y that we obtained earlier, we get:

y = 20 - 8/π - π(8/π)/2 = 20 - 4π/π - 16/π = 20 - 4 - 16/π = 16 - 16/π

Therefore, the dimensions of the Norman window of maximum area when the total perimeter is 20 feet are:

Width: x = 8/π feet (approximately 2.546 feet)

Height: y = 16 - 16/π feet (approximately 9.087 feet)

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The dimensions of the Norman window of maximum area when the total perimeter is 20 feet are:

Width: x = 8/π feet (approximately 2.546 feet)

Height: y = 16 - 16/π feet (approximately 9.087 feet)

Perimeter is the total distance around the boundary of a two-dimensional shape, such as a polygon, a circle, or a rectangle. It is the sum of the lengths of all sides or edges of the shape.

Area is a measure of the size or extent of a two-dimensional surface or region. It is the amount of space enclosed within a closed shape or boundary.

Let's assume that the width of the rectangular part of the window is x and the height is y.

The perimeter of the window is given by:

Perimeter = width + height + semicircle circumference

Perimeter = x + y + πx/2

We are given that the total perimeter is 20 feet, so we can write:

x + y + πx/2 = 20

We can solve for y in terms of x:

y = 20 - x - πx/2

The area of the window is given by:

Area = rectangular part area + semicircle area

[tex]Area = xy + \pi x^{2/8[/tex]

We can substitute the expression we obtained for y into the equation for the area:

[tex]Area = x(20 - x - \pi x/2) + \pi x^{2/8[/tex]

Simplifying this expression, we get:

[tex]Area = 20x - (\pi /2)x^2 + \pi x^{2/8[/tex]

[tex]Area = 20x - (\pi /2)x^{2/4[/tex]

To find the maximum area, we can take the derivative of the area function with respect to x and set it equal to zero:

d/dx (Area) = 20 - (π/2)x/2 = 0

Solving for x, we get:

x = 8/π

Substituting this value back into the expression for y that we obtained earlier, we get:

y = 20 - 8/π - π(8/π)/2 = 20 - 4π/π - 16/π = 20 - 4 - 16/π = 16 - 16/π

Therefore, the dimensions of the Norman window of maximum area when the total perimeter is 20 feet are:

Width: x = 8/π feet (approximately 2.546 feet)

Height: y = 16 - 16/π feet (approximately 9.087 feet)

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Answer:

100 Minutes

Step-by-step explanation:

Step 1: Break it down-

3¢ can be expressed as 0.3

Step 2: Add monthly charge-

Since there is a 10$ monthly charge: 40-10=30

Step 3: Subtract-

Now divide: 30 ÷ 0.3

Step 4: Final Answer-

Hence the amount of minutes per month= 100

The cash payback period for the project is 4.7 years.

The cash payback period is a financial metric that calculates the amount of time it takes for a project to generate enough cash flows to recover the initial investment (cost). It is calculated by dividing the initial investment by the estimated annual net cash flows.

Decimal refers to a system of numbers based on the number 10, where each digit represents a different power of 10. It is a way of expressing numbers using a decimal point to separate the whole number from the fractional part.

Given:

Estimated annual net cash flows = $55,800

Initial investment (cost) = $262,260

Cash Payback Period = Initial Investment / Estimated Annual Net Cash Flows

Putting the values:

Cash Payback Period = $262,260 / $55,800

Calculating the cash payback period:

Cash Payback Period = 4.7 years (rounded to one decimal place)

Therefore, the cash payback period for the project is 4.7 years.

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The area and the perimeter of the given parallelogram are 36.792 mm² and 24.28 mm respectively.

In Euclidean geometry, a parallelogram is a simple quadrilateral having two sets of parallel sides.

The confronting or opposed sides and the opposing angles of a parallelogram are of equal length.

There are four distinct types of parallelograms, including three distinct types.

Rhombuses, parallelograms, squares, and rectangles are the four types.

So, the given image itself tells that the given figure is a parallelogram.

The area of the given parallelogram is:
A = b*h

A = 6.3*5.84

A = 36.792 mm²

The perimeter of the given parallelogram:

P = 2(a+b)

P = 2(6.3+5.84)

P = 24.28 mm

Therefore, the area and the perimeter of the given parallelogram are 36.792 mm² and 24.28 mm respectively.

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The phrase represents that the expression is the cost of a product that is priced at $25.75 per unit with an additional fixed cost of $10.

The expression 25.75x + 10 represents a phrase that involves a numerical value that is dependent on a variable x.

We can think of this expression as a linear function, where x is the independent variable and 25.75x is the dependent variable that is multiplied by a coefficient of 25.75.

The constant term of 10 represents a fixed value that is added to the result of the multiplication.

One possible phrase that can be represented by this expression is the cost of a product that is priced at $25.75 per unit with an additional fixed cost of $10.

The variable x in this case would represent the number of units of the product being purchased.

Multiplying the price per unit by the number of units purchased (25.75x) gives us the variable component of the cost, and adding the fixed cost of $10 to this gives us the total cost of the purchase.

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The figure that represent the triangle described in the question is option (C).

Triangle is a basic geometric shape that consists of three straight sides and three angles.

We can say triangle is a polygon with three sides and three vertices, and is one of the simplest and most fundamental shapes in geometry.

Class of Triangle based on sides

Class of Triangle based on their angles

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Answer:

(a) 56%

(b) 28%

Step-by-step explanation:

Hope this helps! :)

Answer:

-9.5.

Step-by-step explanation

To find a reasonable value for n, we need to use the given data points and the equation of the line. We can plug in any pair of x and y values into the equation and solve for m or b. For example, using (4, 2), we get:

2 = m(4) + b

Solving for b, we get:

b = 2 - 4m

Now we can plug in another pair of x and y values, such as (7, 4.5), and use the value of b we just found:

4.5 = m(7) + 2 - 4m

Solving for m, we get:

m = 0.5

Now we have the slope and the y-intercept of the line. The equation is:

y = 0.5x + 2 - 4(0.5)

Simplifying, we get:

y = -1.5x + 4

To find n, we need to plug in x = 9 and solve for y:

y = -1.5(9) + 4

y = -9.5

The total number of students going on the band trip is 45.

Let's denote the total number of students going on the band trip as "x". According to the given information:

Initially, only 1/3 of the students were on the bus, which means (1/3)x students were on the bus.

After 21 students got on the bus, the number of students on the bus increased to 4/5 of the total number of students going on the trip, which is (4/5)x students.

We can create an equation based on this information:

(1/3)x + 21 = (4/5)x

To solve for "x", we can follow these steps:

Subtract (1/3)x from both sides of the equation to isolate the "x" term on one side:

(1/3)x + 21 - (1/3)x = (4/5)x - (1/3)x

21 = (7/15)x

Multiply both sides of the equation by 15/7 to eliminate the fraction:

(15/7) * 21 = (15/7) * (7/15)x

45 = x

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The value of x is given as follows:

x = 21 cm.

The value of x is obtained applying the proportions in the context of the problem.

The ratio between the volumes is given as follows:

2430/90 = 27.

The side lengths are measured in units, while the volume is measured in cubic units, hence the proportion to obtain the value of x is given as follows:

x/7 = cubic root of 27

x/7 = 3

x = 21.

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By using the partial sum of series is

[tex]a_{n} = 5^{(-n-1) } - (n+1)5^{(-(n+1))}[/tex]

and summation n=1 to infinity of [tex]a_{n}[/tex] is =6 .

To obtain the formula for the nth term of the series and its total, we must first discover the formula for the series' general term.

The formula for the series' nth partial sum is as follows:

[tex]sn = 6 - n*5^{-n}[/tex]

The nth term of the series can be obtained by subtracting the (n+1)th and nth partial sums, i.e.,

a = sn+1 - sn

When we substitute the formula for sn, we get:

[tex]a_{n} = [6 - (n+1)5^{(-(n+1))} ] - [6 - n5^{(-n)} ]\\a_{n} = 5^{(-n-1) } - (n+1)5^{(-(n+1))}[/tex]

As a result, the formula for the series' nth term is:

[tex]a_{n} = 5^{(-n-1) } - (n+1)5^{(-(n+1))}[/tex]

To calculate the series total, take the limit of the nth partial sum as n approaches infinity:

lim(n->inf) lim(n->inf) sn [6 - n*5^(-n)]

lim(n->inf) [n*5(-n)] = 6

= 6 - 0

= 6

As a result, the series' sum is 6.

As a result, the formula for the nth term in the series is:

[tex]a_{n} = 5^{(-n-1) } - (n+1)5^{(-(n+1))}[/tex]

And the series' total is:

a = sum(n=1 to inf) = 6

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The conclusion of the given hypothesis is: we FAIL to reject the null hypothesis and conclude that there is not enough evidence to reject the claim that the mean lifetime of the newest model is 12 years

The parameters given are:

Population mean: μ = 12

Sample mean: x' = 12.5

Population standard deviation; σ = 3.5

Sample size: n = 35

Let's define the hypotheses:

Null Hypothesis: H₀: μ = 12

Alternative Hypothesis: Hₐ: μ ≠ 12

Let us find the z-score from the formula:

z = (x' - μ)/(σ/√n)

z = (12.5 - 12)/(3.5/√35)

z = 0.845

The p-value from online p-value from z-score calculator using two tailed hypothesis and a significance level of 0.1 gives:

p-value = 0.398

The p-value is greater than the significance value and we FAIL to reject the null hypothesis and conclude that there is not enough evidence to reject the claim that the mean lifetime of the newest model is 12 years

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Answer:

The distance between points (4, -2) and (4,4) on a coordinate plane is 6 units. This is because the two points lie on the same vertical line, where the x-coordinate remains constant at 4. To find the distance between them, we simply need to subtract their y-coordinates: 4 - (-2) = 6. Therefore, the distance between the two points is 6 units.

The probability of rolling a number that is NOT between 4 and 12 is approximately 0.55 or 55%.

Probability is the concept that describes the likelihood of an event occurring. In real life, we frequently have to make predictions about how things will turn out. We may be aware of the result of an occurrence or not. When this occurs, we state that there is a possibility that the event will occur.

The range between 4 and 12 inclusive contains 9 numbers (4, 5, 6, 7, 8, 9, 10, 11, and 12) out of 20.

To find the probability of rolling a number that is NOT between 4 and 12, we need to find the probability of rolling one of the 11 numbers that are outside of this range.

The probability of rolling any one of these 11 numbers is 11/20, since there are 11 favorable outcomes out of 20 possible outcomes.

Therefore, the probability of rolling a number that is NOT between 4 and 12 is:

P = 11/20 ≈ 0.55

So, the probability of rolling a number that is NOT between 4 and 12 is approximately 0.55 or 55%.

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The volume of the container is 100 cubic inches.

The volume of a rectangular container is calculated by multiplying its base area by its height. Since the base of the container is square with an area of 25 square inches, the length of each side of the square base is the square root of 25, which is 5 inches.

Therefore, the volume of the container can be calculated as follows:

Volume = Base Area × Height

Volume = 25 square inches × 4 inches

Volume = 100 cubic inches

So, the volume of the container is 100 cubic inches.

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Using a right-hand sum with three intervals, the approximate area under the curve of the function f(x) = x³ between the limits of integration a=0 and b=3 is 36 square units.

Numbers and their variants, equations and related structures, forms and their arrangements, and the places where they might be found are all topics covered in mathematics. The term "function" describes the relationship between a collection of inputs, each of which has a corresponding output.

To estimate the area under the curve of the function f(x) = x3 between the limits of integration a=0 and b=3, we must divide the interval [0, 3] into three subintervals of equal width.

Each subinterval's width, x, may be calculated as follows:

Δx = (b - a) / n = (3 - 0) / 3 = 1

So, the three subintervals are:

[0, 1], [1, 2], [2, 3]

To compute the right-hand total, we evaluate the function at each subinterval's right endpoint and multiply it by the breadth of the subinterval. Then we add these products together to calculate the area under the curve. The right-hand sum may be stated mathematically as follows:

RH = Δx * [f(1) + f(2) + f(3)]

where x represents the width of each subinterval, f(x) = x3 represents the function we are integrating, and f(i) represents the function's value at the right endpoint of the i-th subinterval.

RH = 1 * [f(1) + f(2) + f(3)]

= 1 * [(1³) + (2³) + (3³)]

= 1 * [1 + 8 + 27]

= 36

Using a right-hand sum with three intervals, the approximate area under the curve of the function f(x) = x³ between the limits of integration a=0 and b=3 is 36 square units.

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The volume of the composite figure is 3300 cubic feet.

From the question, we have the following parameters that can be used in our computation:

The composite figure that has:

The volume V of a cuboid is given by the formula:

V = l × w × h

Therefore, the volume is:

Volume = 24 ft × 5 ft × 25 ft + 4 ft * 3 ft * 25 ft

V = 3300 cubic feet

So the volume is 3300 cubic feet.

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Answer:

4.) 32 answer

Step-by-step explanation:

2×2 is 4

4× 8 is 32

Answer:

$23.30

Step-by-step explanation:

We Know

You paid $6.99

The shirt was 70% off

$6.99 = 30%

What was the original price of the shirt?

We Take

(6.99 ÷ 30) x 100 = $23.30

So, the original price is $23.30

The direct write-off method and the allowance method are two different ways of accounting for uncollectible accounts receivable.

When an account is found to be uncollectible, the direct write-off method records the expense for uncollected accounts receivable. This approach involves simply writing off the uncollectible account as a bad debt expense and deducting the outstanding quantity from the accounts receivable total.

Despite being quite easy to understand and basic, this method does not adhere to generally accepted accounting principles (GAAP) because it does not match expenses to the time period during which income was generated.

In contrast, the allowance approach establishes an allowance for doubtful accounts contra-asset account and estimates the amount of uncollectible accounts before recognizing the expense for uncollected accounts receivable.

This allowance account is used to lower the balance of accounts receivable to the anticipated amount of collection. Instead of when the account is found to be uncollectible, the expense is recognized at the time the estimate is made. Because it matches the expense to the time period in which the revenue was received, this method is thought to be more accurate than the direct write-off method.

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The correct answer is a. True, b. False, c. True, d. True

The mean of Region 2 is 36+ 37+ 2x38+ (39+41)x3 +40x4+42/15 = 39.4°C

(The mean = all temperature of region divided by the number of states )

So,  39.4- 33.6 = 5.8 True

So False (variability is comparing the density)

The difference is 39.4 - 33.8= 5.6

The MAD of Region 3 is (32 - 33.8) +2 x (34 -33.8) + 2x (35 - 33.8) + 4x (36-33.8) + 2x (37-33.8) + 2x (38-33.8) + (39-33.8) + (40-33.8) ÷ 15 = 2.64

2-64 × 2 = 5.28, so true

33.8 is closest to 35.6, so true.

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