-5,-7-9-11-13 what is the 2nd term in this linear sequence

Answer:

There are different ways to approach this problem, but one possible method is:

Define the event A as "the student owns a trampoline".

Find the probability of A: P(A) = 21/23, because 21 out of 23 students said they owned a trampoline.

Find the probability of the complement of A, which is "the student does not own a trampoline". We can denote this event as A', and it is equivalent to "the student is one of the 2 students who did not say they owned a trampoline". Therefore, P(A') = 2/23.

Check that P(A) + P(A') = 1, because the student either owns a trampoline or does not.

Answer the question: the probability that the student does not own a trampoline is P(A') = 2/23, or approximately 0.087 or 8.7% (rounded to one decimal place).

Therefore, the answer is: the probability that the student does not own a trampoline is 2/23, or approximately 0.087 or 8.7%.

By setting up equations and solving for the variables, we found that Greg weighs 180 pounds and Justin weighs 165 pounds.

Let's start by assigning variables to represent Justin and Greg's weights. Let J represent Justin's weight and G represent Greg's weight.

We are given that Justin weighs 15 pounds less than Greg, which can be written as:

J = G - 15

We are also given that half of Greg's weight is 75 pounds less than Justin's weight. We can write this as an equation:

(1/2)G = J - 75

We can simplify this equation by substituting the first equation (J = G - 15) for J:

(1/2)G = (G - 15) - 75

Now we can solve for G, which represents Greg's weight:

(1/2)G = G - 90

Subtracting G from both sides gives:

(1/2)G - G = -90

Multiplying both sides by 2 gives:

G - 2G = -180

Simplifying gives:

-G = -180

Dividing both sides by -1 gives:

G = 180

So we have found that Greg weighs 180 pounds. We can use the first equation (J = G - 15) to find Justin's weight:

J = 180 - 15

J = 165

Therefore, Justin weighs 165 pounds.

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Using arithmetic operation it is obtained that Austin should pour 11.74 more grams of salt to reach his desired amount of 50.94 grams.

What is arithmetic operation?

A subject of mathematics known as arithmetic operations deals with the study and use of numbers in all other branches of mathematics. Basic operations including addition, subtraction, multiplication, and division are included.

To determine how much more salt Austin should pour, we need to subtract the amount of salt he has poured from the total amount he wants to pour -

Use the arithmetic operation of subtraction.

Total amount of salt = 50.94 grams

Amount of salt poured so far = 39.2 grams

Therefore, the amount of salt that Austin still needs to pour is obtained by the expression -

50.94 grams - 39.2 grams = 11.74 grams

Therefore, Austin should pour 11.74 more grams of salt.

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The percentage of students who played video games in the survey is 52%.

To find this percentage, we first need to calculate the fraction of students who played video games. This can be done by dividing the number of students who played video games by the total number of students surveyed:

Fraction of students who played video games = 130/250

Simplifying this fraction by dividing both the numerator and denominator by 10, we get:

Fraction of students who played video games = 13/25

To convert this fraction to a percentage, we can multiply it by 100:

Percentage of students who played video games = (13/25) * 100

Simplifying this expression, we get:

Percentage of students who played video games = 52%

Therefore, 52% of the students in the survey played video games.

Hence, to find the percentage of students who played video games in a survey, we divide the number of students who played video games by the total number of students surveyed and then multiply the resulting fraction by 100 to get the percentage.

In this case, 130 out of 250 students played video games, so the percentage is 52%.

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The distance between points F and G is 12.806 units. The coordinates of F are (6,6) and the coordinates of G are (16,14).

Distance in a graph is a measure of the difference between two points. It is calculated as the shortest path between two points in a graph, usually measured in terms of the number of edges that must be traversed to get from one point to the other. Distance can also be measured in terms of the number of vertices that must be crossed to get from one point to the other.

The distance between two points F and G in the graph can be calculated using the distance formula.

The distance formula states that the distance between two points (x1, y1) and (x2, y2) =√ (x2-x1)² + (y2-y1)²

Therefore, to calculate the distance between points F and G, we will use the distance formula.

The coordinates of F are (6,6) and the coordinates of G are (16,14).

Substituting these values into the distance formula, we get the following:

Distance = √(16 - 6)² + (14 - 6)²

Distance = √100 + 64

Distance = √164

Distance = 12.806

The distance between points F and G is 12.806 units.

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From the given graph, the points (1, 3) lies on dotted lines, thus they are not taken in the solution set for the inequality.

When expressions are compared using the operators "less than" (<), "less than or equal to" (<=), "greater than" (>), or "greater than or equal to" (>=), an inequality is created.

From the graph, the shaded region shows the solution for the inequality.

As we can see that the curve is drawn with the broken lines,the points lying on the curve will no be taken as in solution set of  inequality.

Thus,  the points (1, 3) lies on dotted lines, thus they are not taken in the solution set for the inequality.

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Complete question:

Which point is not included in the solution set for the inequality? (–2, 1) (1, 3) (4, 3) (5, -1)?

The graph for the question is attached.

Answer:

3,984.375 tons

Step-by-step explanation:

First, let's convert the weight of one box from ounces to tons:

0.51 oz = 0.51/16 = 0.031875 lbs

1 lb = 0.0005 tons (since 1 ton = 2000 lbs)

0.031875 lbs = 0.031875 x 0.0005 = 0.0000159375 tons

Next, let's calculate the total weight of cardboard needed for 250 million boxes:

Total weight of cardboard = weight of one box x number of boxes

Total weight of cardboard = 0.0000159375 tons x 250,000,000

Total weight of cardboard = 3,984.375 tons

The trade balance must be negative.

If Canada imports more goods and services than it exports, the trade balance must be negative.

Here's a step-by-step explanation of why this is true and why options A and E are wrong:

1. The trade balance is calculated as the value of exports minus the value of imports. If imports are greater than exports, the trade balance will be negative (C). This m that Canada is seen spending more on goods and services from other countries than it is receiving from the sale of its own goods and services to other countries.

2. The current account balance includes the trade balance, but also considers other transactions such as income from investments and transfers like foreign aid. While it is possible that a negative trade balance could be offset by other positive inflows, we do not have enough information to determine whether the current account balance must be negative (A) or positive (B). Therefore, we cannot definitively say that A or B is true.

3. The financial account (formerly called capital account) balance records the net change in ownership of financial assets, such as stocks and bonds, between a country and the rest of the world. A negative financial account balance means that a country's residents are purchasing more foreign assets than foreign residents are purchasing of that country's assets. A positive financial account balance means the opposite. Since we only have information about the trade balance and not the financial transactions, we cannot determine whether the financial account balance must be negative (D) or positive (E).

Based on the information given, we can only conclude that the trade balance must be negative (C) if Canada imports more goods and services than it exports.

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Answer:

The volume of a sphere is given by the formula:

V = (4/3)πr^3

where r is the radius of the sphere.

Since the diameter of Casper's balloon is 6 inches, the radius is 3 inches. Therefore, the volume of Casper's balloon is:

V1 = (4/3)π(3 inches)^3 = 113.1 cubic inches (approx.)

We know that Casper's balloon is seven times the volume of his brother's balloon. Let's call the volume of his brother's balloon V2. We can set up an equation:

V1 = 7V2

Substituting the value of V1, we get:

113.1 cubic inches = 7V2

Dividing both sides by 7, we get:

V2 = 16.2 cubic inches (approx.)

Therefore, the approximate volume of Casper's brother's balloon is 16.2 cubic inches.

The resulting three-dimensional figure has a base area of 50.27 square centimetres. Option (D) 314 sq. cm is the correct answer (rounded to the nearest whole number).

When a triangle is rotated 360 degrees around one of its sides, it forms a cone with a base equal to the rotated side's length and a height equal to the perpendicular distance from the cone's apex to the rotated side.

In this case, the rotated side is 8 cm long. The Pythagorean theorem can be used to calculate the perpendicular distance from the apex of the cone to the rotated side. Heron's formula can be used to calculate the triangle's height:

s =(6+8+10)/2 = 12

(s(s-6)(s-8)(s-10)) = (12(6)(4)(2)) = 243

The triangle's height is:

h = 2 * Area / 8 = 3√3

The radius of the cone's base is 8/2 = 4 cm. As a result, the volume of the cone is as follows:

V = (1/3) * π * r^2 * h = (1/3) * π * 4^2 * 3√3 ≈ 50.27 cm^3

The resulting three-dimensional figure has the same base area as a circle with a radius of 4 cm, which is:

A = π * r^2 = π * 4^2 ≈ 50.27 cm^2

As a result, the resulting three-dimensional figure has an approximate base area of 50.27 square centimetres. Option (D) 314 sq. cm is the correct answer (rounded to the nearest whole number).

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Answer: answer is d) 314 sq. cm

Step-by-step explanation: hope this helps!

Total number of  cups of berries does the school cafeteria have is 600

Addition is a basic mathematical operation that involves combining two or more numbers or quantities to find a total or sum. In other words, it is the process of finding the total amount when two or more numbers are added together.

To find the total number of cups of berries in the school cafeteria, you can add the number of cups of strawberries and blackberries.

The school cafeteria has 150 cups of strawberries and 450 cups of blackberries, so

Total cups of berries = cups of strawberries + cups of blackberries

Total cups of berries = 150 + 450

Total cups of berries = 600

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The households using television (HUT) figure is 75.06%.

The households using television (HUT) figure is a measure of the percentage of households that have turned on their televisions at a particular time. It is calculated by dividing the number of households watching TV by the total number of households and multiplying by 100%.

In this case, we are given that 90 million households in the US turned on their televisions at 8:00 p.m. on a Sunday night. The total number of US households is 119.9 million. Using this information, we can calculate the HUT figure as follows

Households using television (HUT) = (Number of households watching TV / Total number of households) x 100%

HUT = (90 million / 119.9 million) x 100%

HUT = 75.06%

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Answer: 5.7 inches

Step-by-step explanation:

To find the width of the home in the scale drawing, we can use algebra to solve for w.

First, we can simplify the equation w/0.6 = 9.5 by multiplying both sides by 0.6:

w/0.6 * 0.6 = 9.5 * 0.6

w = 5.7 inches

Therefore, the width of the home in the scale drawing is 5.7 inches.

The numerator of the fraction is 2.

The fraction can be written as 2/7, and since the numerator is nine less than the denominator, when the fraction reduces to (1/7) it means that the numerator must be 2.

To solve this problem, first determine what is given in the question: a fraction with a numerator that is nine less than the denominator, and that reduces to (1/7).

Using this information, the goal is to determine the numerator of the fraction.

To do this, simply subtract nine from the denominator and the result will be the numerator. In this case, the denominator is 7, so subtracting 9 from 7 gives us 2, which is the numerator of the fraction.

Therefore, the numerator of the fraction is 2.

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Answer: The correct answer is "Fail to reject the null hypothesis. There is not enough evidence to oppose the company's claim."

Step-by-step explanation:

I took the test

In this instance, the buoy forms the right corner of a triangle made up of the two ships and the buoy. To the closest tenth, the distance between the two ships is roughly  [tex]24.1[/tex] km.

To find the distance between the two ships, we can use the Pythagorean theorem, which states that in a right triangle, the sum of the squares of the lengths of the legs

(the sides that form the right angle) is equal to the square of the length of the hypotenuse (the side opposite the right angle).

In this case, the two ships and the buoy form a right triangle, with the buoy at the right angle.

Let d be the distance between the two ships, x be the distance of the northern ship to the buoy and y be the distance of the eastern ship to the buoy. Then we have:

[tex]d^2 = x^2 + y^2[/tex]

Substituting the given values, we get:

[tex]d^2 = (20 km)^2 + (13.5 km)^2[/tex]

[tex]d^2 = 400 km^2 + 182.25 km^2[/tex]

[tex]d^2 = 582.25 km^2[/tex]

[tex]d ≈ 24.1 km[/tex]

Therefore, the distance between the two ships is approximately 24.1 km, rounded to the nearest tenth.

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Answer:

Step-by-step explanation:

Head: 220 times, tail 80 times. Find the probability of occurrence of each of events. 2.

Answer: multiplied by 5 or squared

Step-by-step explanation:

If the number 5 goes in and 25 is the result, the rule could be multiplying by 5 or squaring the number that goes in (input).

5 x 5 = 25

5^2 = 25.

Therefore, it would take about 3322 years for the Gregorian and tropical years to be out of step by exactly one day.

Length is a physical quantity that describes how long or how far apart two points or objects are from each other in space. It is typically measured in units such as meters, feet, or inches, and is one of the basic dimensions used to describe the size and position of objects in the physical world.

given by the question.

The difference between the length of the Gregorian year and the tropical year is:

365.242500 - 365.242199 = 0.000301

This means that every year, the Gregorian calendar gains 0.000301 days on the tropical year. To be out of step by exactly one day, the Gregorian calendar needs to gain one full day on the tropical year, which would take:

1 / 0.000301 = 3322.26 years.

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It will be angle JZF.

Because if you add both of them, sum will be equal to 180°.

The approximate circumference of Spaceship Earth is approximately 138.02 meters.

A circle's perimeter is known as its circumference. It is the circumference of the circle as a whole. A circle's circumference is calculated by multiplying its diameter by the constant. This measurement of a circle's diameter is necessary for someone crossing a circular park or for enclosing a circle. The units for the circumference, which is a linear variable, are the same as those for length.

The volume of the sphere is given as:

V = (4/3)πr³

Substituting the values:

[tex]r = (3(65,417)/4(3.14))^{(1/3)} = 21.96 meters[/tex]

The circumference of the circle is:

C = 2πr

Substituting the value of r:

C = 2(3.14)(21.96) = 138.02 meters

Hence, the approximate circumference of Spaceship Earth is approximately 138.02 meters.

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Answer:

1 1/2 m

Step-by-step explanation:

A = LW

3 3/4 = L × 2 1/2

15/4 = 5L/2

L = 15/4 × 2/5

L = (3 × 5 × 2)/(2 × 2 × 5)

L = 3/2 = 1 1/2

Answer: 1 1/2 m

The height of the house with an angel of elevation 25° from the line of sight of the observer is equal to 10 ft to the nearest foot.

The angle of elevation is the angle between the horizontal line and the line of sight which is above the horizontal line.

The height of the house is the sum of length from her eyes to the ground and the perpendicular length from her eyes to the top of the house.

we shall represent the perpendicular length from her eyes to the top of the house with x so that;

tan 25° = x/11 {opposite/adjacent}

x = 11 × tan 25°

x = 5.1294

height of the house = 5 ft + 5.1294 ft

height of the house = 10.1294 ft

Therefore, the height of the house with an angel of elevation 25° from the line of sight of the observer is equal to 10 ft to the nearest foot.

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Possible question:

Figure out the height of the house using these measurements. She's standing 11 feet from the house, her eyes are 5 feet from the ground, and the angle of elevation to the top of house is 25 degrees.

Answer:

a. To find the volume when the width is 5 inches, we plug in w=5 into the equation:

V = 2w³ - 7w² + 3w

V = 2(5)³ - 7(5)² + 3(5)

V = 250 - 175 + 15

V = 90

Therefore, the volume is 90 cubic inches.

b. To factor the polynomial, we can first factor out a w:

V = w(2w² - 7w + 3)

Then we can factor the quadratic expression in parentheses:

V = w(2w - 1)(w - 3)

Each factor represents a dimension of the rectangular prism:

w is the width

2w - 1 is the length

w - 3 is the height

c. If the width is 5 inches, we can use the factorization from part b to find the other dimensions:

length = 2w - 1 = 2(5) - 1 = 9 inches

height = w - 3 = 5 - 3 = 2 inches

This means that the rectangular prism has dimensions 5 inches by 9 inches by 2 inches. We can also use the dimensions to calculate the volume:

V = 5 × 9 × 2 = 90 cubic inches

This is the same as the answer from part a.

d. The graph of the polynomial is:

Graph of the polynomial

The x-intercepts are approximately 0.5 and 3. These correspond to the widths at which the volume is 0, which means the rectangular prism has zero volume. In other words, the x-intercepts represent the points where the rectangular prism collapses into a flat shape.

e. The domain of the function is all real numbers, since we can plug in any width w and get a corresponding volume. The range of the function is also all real numbers, since the volume can be any positive or negative value depending on the width. Specifically, the range is (-∞, ∞).

The volume of the solid is 1.5 cubic units. From the solid in the first octant under the plane z = x + y, above the surface z = xy, and enclosed by the surfaces x = 0, y = 0, and x2 + y2 = 4

To find the volume of the solid by subtracting two volumes, we need to find the limits of integration for x, y, and z.

From the given information, we know that the solid is in the first octant and is enclosed by the surfaces x = 0, y = 0, and x2 + y2 = 4. Thus, the limits of integration for x and y are 0 to 2 since the radius of the circle x2 + y2 = 4 is 2.

Next, we need to find the limits of integration for z. To do this, we need to set the two given equations equal to each other:

xy = x + y

xy - x - y = 0

Using partial fraction decomposition:

xy - x - y = (x - 1)(y - 1) - 1

So, we have:

(x - 1)(y - 1) = z - 1

Thus, the limits of integration for z are 1 to 3.

Now, we can set up the integral to find the volume:

V = ∫∫∫ dV

V = ∫0^2 ∫0^(2 - x) ∫1^(x + y) dz dy dx

Evaluating this integral, we get the volume of the solid as 1.5 cubic units.

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Answer: $35.05

Step-by-step explanation:

10% of 350.52 ≈ 35.05

According to the equation, Mia has 7 books if Tyler has 21 books and Mia has 6 books if Tyler has 18 books.

What is equation?

An equation is a mathematical statement that indicates the equality of two expressions. It typically consists of two parts: the left-hand side and the right-hand side, separated by an equal sign (=).

a. If Tyler has 15 books, we can set up the equation:

Tyler = 3 x Mia

15 = 3 x Mia

Dividing both sides by 3, we get:

Mia = 5

Therefore, Mia has 5 books if Tyler has 15 books.

If Tyler has 21 books, we can set up the same equation:

Tyler = 3 x Mia

21 = 3 x Mia

Dividing both sides by 3, we get:

Mia = 7

Therefore, Mia has 7 books if Tyler has 21 books.

If Tyler has x books, the equation would be:

Tyler = 3 x Mia

x = 3 x Mia

Dividing both sides by 3, we get:

Mia = x/3

Therefore, Mia has x/3 books if Tyler has x books.

b. If Tyler has 18 books, we can set up the equation:

Tyler = 3 x Mia

18 = 3 x Mia

Dividing both sides by 3, we get:

Mia = 6

Therefore, Mia has 6 books if Tyler has 18 books.

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Answer:

$54.50

Step-by-step explanation:

$67.58 after 6% tax and 18% tip

Let x = pretax and pre-tip amount.

The amount of tax is 0.06x.

The amount of tip is 0.18x.

The total amount is x + 0.06x + 0.18x = 1.24x.

The amount after tax and tip is $67.58.

1.24x = 67.58

x = 67.58/1.24

x = 54.5

Answer: $54.50

As a question-answering bot, I cannot provide the solution of this question as it requires the use of MATLAB software which cannot be done in this platform. However, I can provide a general overview and steps that can be followed to solve the problem.  List all maximal orthogonal subsets of the above set. That is, group the vectors v, w, x, y, and z in as many ways as possible so that all the vectors in your group are orthogonal to each other and none of the vectors outside the group are orthogonal to all the vectors in the group. The maximal orthogonal subsets of the above set are: {v, y}, {w, x}, {z}b. Take the largest orthogonal subset and normalize all the vectors in that set as follows: >> V-v/norm(v) This code replaces v with itself divided by its size-so we get a vector pointing in the same direction but with length 1. The above code normalizes v, so you'll have to normalize the other vectors in your orthogonal subset as well, replacing v with the appropriate letter. Store the resulting vectors in MATLAB as columns of a matrix W. Enter them in alphabetical order from left to right.The largest orthogonal subset is {w, x}. The normalized vectors are w/norm(w) and x/norm(x). Store the resulting vectors in MATLAB as columns of a matrix W and enter them in alphabetical order from left to right. The resulting matrix would be: W = [1/√19 6/√19; 3/√19 1/√19; 0 -3/√19]Note: This solution is based on the assumption that the vectors are given in column form.

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Max's swim time during the triathlon would be 42 minutes.

Rather than being stated as a fraction, a percentage is a piece of a whole expressed as a number between 0 and 100. Nothing is zero percent; everything is 100 percent; half of something is 50 percent; and nothing is zero percent. You split the part of the whole by the whole and multiply the result by 100 to get the percentage.

To calculate this, we first need to find out how much Max's original swim time will decrease by 30%. We can do this by multiplying his original swim time by 0.3:

60 minutes x 0.3 = 18 minutes

This means that Max will decrease his original swim time by 18 minutes during the triathlon.

To find out Max's new swim time during the triathlon, we need to subtract the amount of time he will decrease from his original swim time:

60 minutes - 18 minutes = 42 minutes

Therefore, Max's swim time during the triathlon would be 42 minutes.

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