Which expressions are equivalent to − 1 3(12−3+6x)​?

The expression pq represents the product of two variables p and q.only the expression qp is equivalent to pq. Thus, option D is correct.

Let's explore each of the given expressions and see if any of them are equivalent to pq.

p + q: This expression represents the sum of two variables, p and q. It is not equivalent to pq because addition represents combining two quantities, whereas multiplication (represented by pq) represents repeated addition of the same quantity.

p - q: This expression represents the difference between two variables p and q. It is also not equivalent to pq because subtraction represents taking away one quantity from another, whereas multiplication (represented by pq) represents repeated addition of the same quantity.

p / q: This expression represents the quotient of two variables p and q. It is not equivalent to pq because division represents splitting a quantity into equal parts, whereas multiplication (represented by pq) represents repeated addition of the same quantity.

qp: This expression also represents the product of two variables p and q, but the order of the variables is reversed.

However, the commutative property of multiplication states that the order of factors does not affect the result of the multiplication operation. Therefore, qp is equivalent to pq.

Therefore, only the expression qp is equivalent to pq.

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Neither of the two points is a solution of the linear equation.

Here we have the linear equation.

2x - y = 1

And we have the graph of this line.

We want to check if the points (0, 1/2) and (-7, -3) are solutions.

You can do this in two ways, one is finding the points on the coordinate axis and check if the points lie on the line, the other is replace the values in the eequation and see if it becomes true.

Because the graph is really small in the image, I will do the second one.

For (0, 1/2) we have:

2*0 - 1/2 = 1

0 - 1/2 = 1

-1/2 = 1

This is false.

For the second (-7, -3) we have:

2*-7 - (-3) = 1

-14 + 3 = 1

-11 = 1

This is false.

Neither of the points is on the line.

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Answer:

median, and mode

Step-by-step explanation:

Therefore, approximately 65.9 square feet of paint will be needed to cover all visible surfaces of the rocket ship float.

Surface area is the measure of the total area that the surface of an object occupies. It is the sum of all the areas of the individual faces or surfaces of the object. For example, if you have a cube, the surface area would be the sum of the areas of all six faces of the cube. The surface area is usually measured in square units, such as square meters, square centimeters, or square feet, depending on the system of measurement used. Surface area is an important concept in many fields of study, including mathematics, physics, chemistry, and engineering.

by the question.

To calculate the total surface area that needs to be painted, we need to find the surface area of the cylinder and the surface area of the cone, and then add them together.

Surface area of the cylinder:

The cylinder has a radius of 1.5 feet and a height of 4 feet. The formula for the surface area of a cylinder is:

[tex]SA_cylinder = 2πrh + 2πr^2[/tex]

where r is the radius and h is the height of the cylinder.

Plugging in the values, we get:

[tex]SA_cylinder = 2π(1.5)(4) + 2π(1.5)^2\\SA_cylinder = 12π + 4.5π\\SA_cylinder = 16.5π[/tex]

[tex]SA_cylinder = 51.8 ft²[/tex] (rounded to the nearest tenth)

Surface area of the cone:

The cone also has a radius of 1.5 feet, and a height of 2 feet. The formula for the surface area of a cone is:

[tex]SA_cone = πr√(r^2 + h^2)[/tex]

Plugging in the values, we get:

[tex]SA_cone = π(1.5)√(1.5^2 + 2^2)\\SA_cone = π(1.5)√(2.25 + 4)\\SA_cone = π(1.5)√6.25[/tex]

[tex]SA_cone = π(1.5)√(1.5^2 + 2^2)\\SA_cone = π(1.5)√(2.25 + 4)\\SA_cone = π(1.5)√6.25[/tex] (rounded to the nearest tenth)

Total surface area:

Adding the surface area of the cylinder and the surface area of the cone, we get:

[tex]Total SA = SA_cylinder + SA_cone[/tex]

Total SA ≈ 65.9 ft² (rounded to the nearest tenth)

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Rounded to the nearest tenth of a square foot, the area that needs to be painted is 76.9 square feet.

What exactly is a cylinder?

In geοmetry, a cylinder is οne οf the fundamental 3d fοrms with twο parallel circular bases at a distance.

The first step is to calculate the lateral surface area of the cylinder and cone. The lateral surface area of the cylinder is the product of the height and the circumference of the base, which is:

4 feet x 2π(1.5 feet) = 12π square feet

The lateral surface area of the cone is half the product of the slant height and the circumference of the base, which is:

1/2 x 2π(1.5 feet) x √(2^2 + 1.5^2) = 7.5π square feet

The total area to be painted is the sum of the lateral surface areas of the cylinder and cone, plus the area of the base of the cone, which is congruent to the base of the cylinder. The base has a radius of 1.5 feet, so the area of each base is:

π(1.5 feet)^2 = 2.25π square feet

The total area to be painted is:

12π + 7.5π + 2(2.25π) = 24.5π square feet

Using a calculator, this is approximately equal to 76.95 square feet.

Therefore, Rounded to the nearest tenth of a square foot, the area that needs to be painted is 76.9 square feet.

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The equation (5)/(6)x+2=(7)/(8) when rewritten without fraction has a representation of 40x + 96 = 42

Given that we have the following

(5)/(6)x+2=(7)/(8)

When the brackets are removed, we have the following equation

5/6x + 2 = 7/8

Multiplying through the equation by 6

So, we have

6 * (5/6x + 2 = 7/8)

When the products are evaluated, we have

5x + 12 = 6 *  7/8

Multiplying through the equation by 8

So, we have

8 * (5x + 12 = 6 *  7/8)

When the products are evaluated, we have

40x + 96 = 42

Hence, the solution is 40x + 96 = 42

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The slope of the equation A = 8,500 + 350t represents the rate of change of altitude with respect to time. Specifically, it represents the vertical speed of the helicopter in feet per unit of time (in this case, per time interval t).

The slope of the equation is m = -350 and the helicopter is descending at a rate of 350 feet per unit time

The equation of a line is expressed as y = mx + b where m is the slope and b is the y-intercept

And y - y₁ = m ( x - x₁ )

y = y-coordinate of second point

y₁ = y-coordinate of point one

m = slope

x = x-coordinate of second point

x₁ = x-coordinate of point one

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

Given data ,

Let the equation of line be represented as A

A = 8,500 - 350t

Now , the slope of the line is m = ( y₂ - y₁ ) / ( x₂ - x₁ )

Substituting the values in the equation , we get

Slope m = -350

So , it indicates that the altitude is falling at a rate of 350 feet per unit of time (t). The helicopter is falling at a constant rate of 350 feet per unit of time, according to this negative slope

Hence , the slope of the line is m = -350

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The complete question is attached below :

A helicopter is landing, and the pilot monitors her altitude, A, in feet over a set number of time intervals, t . She records her data and all of her data points fit the equation below. A= 8,500 - 350t
What does the slope of this equation represent?

Line segment BD is 12 units

Using the pythagorean theorem a^2 + b^2 = c^2

Answer:

Step-by-step explanation:

firstly you have to cut the composite shape to rectangles and triangle or even more but the shape have already been calculated so if you cut it on the rectangle the area will be side × side which it is equal to 8 × 7≈ 56

while on that small triangle

To break even, Carrollton Molding Company needs to sell 1602 plastic handles per week.

Carrollton Molding Company molds plastic handles for certain Southwire products. It costs them $0.30 to make each handle plus $2082 per week to keep their molding machine operating.

The company sells each handle for $1.30.The break-even point (BEP) is defined as the point at which total revenues equal total costs. The company must sell enough units to cover all of its fixed and variable costs to reach the break-even point. The formula to calculate the break-even point is:

Break-even point = Fixed costs / (Selling price per unit - Variable costs per unit)Given, Fixed costs = $2082Selling price per unit = $1.30Variable costs per unit = $0.30Substituting these values in the formula to calculate the break-even point, Break-even point = $2082 / ($1.30 - $0.30)Break-even point = $2082 / $1.00Break-even point = 2082So, Carrollton Molding Company needs to sell 2082 units to break even.

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Answer:

Step-by-step explanation:

we can solve with an equation to find the value of x and then add 1 to find AC (work in attached drawing).

The equation is true, which means the given triangle is a right triangle.

A triangle is a geometric shape that is formed by connecting three non-collinear points with straight line segments. These points are called vertices of the triangle, and the line segments are called sides. The angles formed by the intersection of these sides are called interior angles of the triangle. Triangles are used in many areas of mathematics, including geometry, trigonometry, and calculus. They also have practical applications in fields such as engineering, physics, and architecture, where they are used to calculate measurements and solve problems involving angles and distances.

Here,

To determine whether the triangle is a right triangle or not, we can use the Pythagorean theorem, which states that in a right triangle, the square of the length of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the lengths of the other two sides. In this case, the lengths of the sides are given as 8 cm, 10 cm, and 12 cm. We can check if this triangle is a right triangle by verifying if the Pythagorean theorem holds true.

Let's label the sides as follows:

a = 8 cm (one of the legs)

b = 10 cm (the other leg)

c = 12 cm (the hypotenuse)

According to the Pythagorean theorem, we have:

c² = a² + b²

Substituting the given values, we get:

12² = 8² + 10²

144 = 64 + 100

144 = 144

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The solution set of this system of equations  (C) (0, 4) and (4, 0).

Simultaneous equations refer to a set of two or more equations that need to be solved together to determine the values of the variables that satisfy all the equations.

Given:

y = -x²+ 2x + 4

x + y = 4

We can substitute the first equation into the second equation to get:

x + (-x² + 2x + 4) = 4

Simplifying, we get:

-x² + 3x = 0

Factorizing, we get:

x(-x + 3) = 0

So the possible values of x are x = 0 and x = 3.

If x = 0, then y = 4 (from the second equation).

If x = 3, then y = -3 (using the first equation).

Therefore, the solution set of the system of equations is (0, 4) and (3, -3).

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According to the given information, option (b) is the correct answer.

What is an algebraic expression?

An algebraic expression is a mathematical phrase that can contain numbers, variables, and mathematical operations such as addition, subtraction, multiplication, and division. Algebraic expressions are used to represent quantities or values that can vary, depending on the values assigned to the variables in the expression. Algebraic expressions can be simple or complex, and they can have one or more variables.

b) 2/11d¹² is the equivalent expression for 4d⁻³ /22d⁹.

To simplify the expression, we can use the rule of negative exponents: d⁻ⁿ = 1/dⁿ

So, 4d⁻³ /22d⁹ = 4/22d¹² = 2/11d¹²

Therefore, option (b) is the correct answer.

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what number is 3.5% more than 26?

Answer:

Step-by-step explanation:

3.5%=0.035

0.035*26=0.91

26+0.91=

26.91

The box of cereal now weighs approximately 0.9 pounds and 1.3 pounds.

To estimate the weight of the cereal in the box now, we must subtract the amount of cereal used during the week from the total weight of the box when Kiara bought it.

The total weight of the box when Kiara bought it is 1 7/16 pounds. To convert this fraction to a decimal, divide the numerator (7) by the denominator (16): 7/16 = 0.4375.

The amount of cereal used during the week is 1/2 of a pound. To convert this fraction to a decimal, divide the numerator (1) by the denominator (2): 1/2 = 0.5.

Subtract the amount of cereal used from the total weight of the box: 0.4375 - 0.5 = -0.0625.

Since the result is negative, we can approximate the weight of the cereal in the box now as 0.9 pounds. We can also round the result to the nearest hundredth: 0.4375 - 0.5 = -0.0625 = 0.94 pounds.

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The 1st statement is true about the graph. Here the graph is a function with domain {0≤x≤5} and the range {-6≤y≤0}.

An organised representation of the data is all that the graph is. It facilitates our understanding of the facts.

The Latin term datum, which means "something delivered," is where the word data originated.

The development of a research question is followed by the ongoing observational collection of data.

Here in the question,

The graph is a function with domain {0≤x≤5} and the range {-6≤y≤0}.

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The slope of the line of best fit represents the change in the average weight of the catfish for every one-unit change in the length of the catfish. It gives an indication of the strength and direction of the relationship between the length and weight of the catfish.

A positive slope indicates that as the length of the catfish increases, its weight tends to increase as well, while a negative slope indicates the opposite. The magnitude of the slope indicates how steeply the weight changes with respect to the length. A larger slope indicates a stronger relationship, while a smaller slope indicates a weaker relationship.

Thus, the slope of the line of best fit can provide valuable insights into the relationship between the length and weight of the catfish and can be used to make predictions about the weight of the catfish for a given length.

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Ai Mi's total cost after the discount but before tax would be $33.93. Rounded to the nearest cent, this is equal to $33.94.

Cost refers to the total amount of money, time, effort, or resources that are required to produce or acquire a particular good or service. It can be expressed in monetary terms or other units of measurement depending on the context. Cost plays a crucial role in decision-making for individuals, businesses, and governments.

If Ai Mi has a 13% discount, it means that she will pay only 87% of the total cost of the items.

So, the cost after the discount can be calculated as:

$39 x 0.87 = $33.93

Therefore, Ai Mi's total cost after the discount but before tax would be $33.93. Rounded to the nearest cent, this is equal to $33.94.

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The total number of outcomes that are possible is 186.

There are different ways to solve the problem of finding the total number of outcomes when selecting a letter from the word TROPHY and a day from the month of May. One way is to use the Multiplication Rule of Counting, which states that if there are n1 ways to perform the first task and n2 ways to perform the second task, then there are n1 x n2 ways to perform both tasks.

Let's apply this rule to the given problem.

1. Selecting a letter from the word TROPHY: There are 6 letters in the word TROPHY. Therefore, there are 6 ways to select a letter from the word TROPHY.

2. Selecting a day from the month of May: There are 31 days in the month of May. Therefore, there are 31 ways to select a day from the month of May.

Using the Multiplication Rule of Counting, the total number of outcomes that are possible is the product of the number of ways to perform each task:

Total number of outcomes = 6 x 31 = 186.

Therefore, there are 186 possible outcomes when selecting a letter from the word TROPHY and a day from the month of May.

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Answer:

24pi

Step-by-step explanation:

Considering a six-sided spinner, it is found that the probability of spinning a 1 and tossing a head is of [tex]\dfrac{1}{12}[/tex].

A probability is given by the number of desired outcomes divided by the number of total outcomes.

In this problem:

Since the events are independent, the probability of spinning a 1 and tossing a head is given by:

[tex]\text{p}=\dfrac{1}{6} \times\dfrac{1}{2} =\dfrac{1}{12}[/tex]

In the word problem, Johnson set aside $80 for food party.

What is percentage?

Divide the A value or ratio that may be stated as a fraction of 100 is referred to in mathematics as a number by the total and multiply by 100 to find the percent of a given number. Therefore, the percentage refers to a portion per hundred. Per 100 is what the word percentage signifies. The letter "%" stands for it.

Here Total money  that Johnson has is 100%.

In 100% of money he spent $320 and set aside 25%.

Then Money he spent = 100%-25% = 75%.

Then,

100% = 320

25% = x

=> x = [tex]\frac{320\times25\%}{100\%}[/tex]  = $80.

Hence Johnson set aside $80 for food party.

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The value of length OP is √65

The value of length PQ is √65

The value of length QR is √65

The value of length RO is √65

Distance between two points is the length of the line segment that connects the two points in a plane.

The distance between two points is given as ;

d = √ (y2-y1)² + (x2-x1)²

The slope of a line = y2-y1)/x2-x1. This means the value of y2-y1 and x2-x1 have been calculated for each line.

Length OP = √ 4²+7²

= √ 16+49

= √ 65

length PQ = √8²+1²

= √ 64+1

= √65

length QR = √ 4²+7²

= √ 16+49

= √ 65

length RO = √8²+1²

= √ 64+1

= √65

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Answer

8/60 = 2/15

Step-by-step explanation: to get 60 times it by 4 so 8/60 then simplify it by 4 to get 2/15

Answer:

3.5

Step-by-step explanation:

3x -(y / 2+ 5)                     x = 3.5 and y = 4

= 3(3.5) -(4/2 + 5)

= 3(3.5) -(2 + 5)

= 10.5 -(2 + 5)

= 10.5 -(7)

= 10.5 - 7

= 3.5

Answer:

[tex]y - 8 = - \frac{1}{3} (x - 2)[/tex]

the completed pairs are - √5 units, 2 units
Starting with the first pair, we have √5 units on both tiles, so we can place them in the same box.

Moving on to the second pair, we have √3 units on one tile and √5 units on the other. We need to find a pair that matches √3 units. Since there is no tile with √3 units, we cannot place this pair in the same box.

Lastly, we have two tiles left - one with √5 units and another with 1 unit. We need to find a pair that matches 1 unit. Since there is no tile with 1 unit, we cannot place this pair in the same box either.

Therefore, the completed pairs are:
- √5 units, √5 units
- √5 units, 2 units

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Answer: 150,000 km

Step-by-step explanation: If every centimeter is equal to 25000 kilometers, than 6 x 25000 = 150,000.

Answer:

1.5 km

Step-by-step explanation:

1 kilometer = 1000 meters and 1 meter = 100 cm, so 1 km = 100,000cm

If the scale on the map is 1:25,000, 6cm on the map = 150,000 cm

Since 1 km = 100,000 cm, 1 km/100,000 cm = 1

150,000 cm x 1 km/100,000 cm = 1.5 x 1km = 1.5 km