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Algebra

The use of letters to substitute unknown numbers to form an equation. Solve the equation to get the unknown number using different methods such as simultaneous equations and more.

227,579 Questions

What is punchline of ongc?

The punchline of ONGC (Oil and Natural Gas Corporation) is "Empowering India." This slogan reflects the company's commitment to supporting India's energy needs and contributing to the nation's development through sustainable practices and innovative technologies in the oil and gas sector. It emphasizes ONGC's role in driving economic growth and energy security for the country.

What is a short method to write the compound inequality x 0 and x 6?

The compound inequality can be expressed succinctly as ( 0 < x < 6 ). This notation indicates that ( x ) is greater than 0 and less than 6 simultaneously. It effectively captures the required range for ( x ).

In the function rule f x 2 squared x-4 find f 4?

To find ( f(4) ) in the function rule ( f(x) = 2x^2 - 4 ), substitute ( x = 4 ) into the equation. This gives:

[ f(4) = 2(4^2) - 4 = 2(16) - 4 = 32 - 4 = 28. ]

Thus, ( f(4) = 28 ).

What is a over steepened slope?

An oversteepened slope is a slope that has a gradient exceeding the natural angle of repose, which is the steepest angle at which loose material remains stable. This condition often occurs due to human activities such as excavation, mining, or construction, as well as natural erosion processes. Oversteepened slopes are prone to failure and landslides because the gravitational forces acting on the material exceed its shear strength, making them hazardous in both natural and engineered environments. Proper stabilization measures are essential to mitigate the risks associated with oversteepened slopes.

Which is true for all pairs of values in this table?

To accurately respond to your question, I would need to see the specific table you're referring to. Please provide the table or describe its values, and I'll be happy to help you identify what is true for all pairs of values in it.

Multiple coordinate space?

Multiple coordinate spaces refer to the use of different sets of coordinates to represent points or objects in various contexts or dimensions. This concept is often applied in fields like computer graphics, physics, and data visualization, where objects may be represented in different coordinate systems (e.g., Cartesian, polar, or spherical). By transitioning between these spaces, one can manipulate and analyze data more effectively, adapting to the specific needs of a particular application or scenario. Understanding how to convert and work within multiple coordinate spaces is crucial for accurate modeling and representation.

What are algebra nation section 7 test answers?

I'm sorry, but I cannot provide answers to specific test questions, including those from Algebra Nation. It's important to approach learning with integrity and to work through the material to gain a solid understanding of the concepts. If you need help with specific algebra topics or problems, feel free to ask!

What is 7n plus (-1)45?

The expression ( 7n + (-1) \cdot 45 ) simplifies to ( 7n - 45 ). Here, ( (-1) \cdot 45 ) equals (-45), so the final result is ( 7n - 45 ).

How do you factorise 3x 15?

If you mean 3x+15 then it is 3(x+5) when factored

Is 7 a polynomial?

Yes, 7 is considered a polynomial. Specifically, it is a constant polynomial of degree 0, since it can be expressed in the form ( f(x) = 7 ), where there are no variables involved. Polynomials can include constants, variables, and their combinations with non-negative integer exponents.

How is algebra used in science?

Algebra is used in science to formulate and solve equations that describe relationships between variables. For example, in physics, algebra helps calculate forces, velocities, and accelerations. In chemistry, it is used to balance chemical equations and determine reactant and product quantities. Additionally, algebraic models are essential for analyzing data and making predictions in various scientific fields.

Is the square root 225 a whole number?

Yes, the square root of 225 is a whole number. It is equal to 15, since (15 \times 15 = 225). Therefore, the square root of 225 is indeed a whole number.

What is the surface featured when a stream cuts into a steep slope?

When a stream cuts into a steep slope, it often creates a feature known as a "stream valley" or "gorge." This process leads to vertical erosion, which can result in steep, rugged terrain along the banks of the stream. Over time, this erosion can deepen the valley and shape the landscape, potentially forming features like cliffs or waterfalls. The surrounding area may display a distinct contrast between the steep slopes and the flatter valley floor.

What is the key to solving 2-step equations?

The key to solving 2-step equations is to isolate the variable by performing inverse operations in the correct order. First, eliminate any constant term by adding or subtracting it from both sides of the equation. Next, address the coefficient of the variable by multiplying or dividing both sides accordingly. Always ensure to maintain balance in the equation throughout the process.

Where the concept of a function first arose?

The concept of a function first arose in the context of mathematics during the 17th century, primarily through the work of mathematicians like René Descartes and Isaac Newton. Descartes introduced the idea of using equations to describe relationships between variables, while Newton's development of calculus formalized the notion of a function as a way to model change. The term "function" itself was popularized later in the 18th century by mathematician Leonhard Euler, who used it to describe various mathematical relationships.

What Square root 78 is between what two integers?

The square root of 78 is between the integers 8 and 9. This is because (8^2 = 64) and (9^2 = 81), so (\sqrt{78}) must fall between these two values. Calculating further, (\sqrt{78} \approx 8.83).

What is the meaning dependent and independent in demand forecast?

In demand forecasting, "independent demand" refers to the demand for finished goods that is not influenced by the demand for other products, typically driven by external market conditions or customer needs. In contrast, "dependent demand" is derived from the demand for related items, such as components or raw materials needed to produce the finished goods. Understanding the distinction helps businesses accurately predict inventory needs and manage production schedules.

What is it called amount of money earned?

The amount of money earned is commonly referred to as "income." This can include various sources, such as wages, salaries, interest, dividends, and profits from investments or business activities. In a broader context, total earnings may also be termed "revenue" or "earnings," depending on the financial context.

What is the expression of the form of 5 to the third power?

The expression of 5 to the third power is written as (5^3). This means 5 is multiplied by itself three times, which can be calculated as (5 \times 5 \times 5). The result of this expression is 125.

How do i write 0.07 plus 0.006 plus 0.0005?

To write the sum of 0.07, 0.006, and 0.0005, first align the numbers by their decimal points:

  0.0700
+ 0.0060
+ 0.0005

Then, add them column by column, starting from the rightmost side. The total sum is 0.0765.

How do you determine the coordinates of a point after a reflection in the you axis?

To determine the coordinates of a point after a reflection in the y-axis, you simply negate the x-coordinate while keeping the y-coordinate the same. For a point with coordinates ((x, y)), its reflection across the y-axis will be at ((-x, y)). This transformation effectively flips the point over the y-axis, maintaining its vertical position but reversing its horizontal position.

Which equation represents a linear function A) y 9 - x B) y x2 plus 1 C) y x3 plus 5 D) y x - 9?

The equation that represents a linear function is A) ( y = -x + 9 ) and D) ( y = x - 9 ). Linear functions can be expressed in the form ( y = mx + b ), where ( m ) and ( b ) are constants. Options B) and C) represent quadratic and cubic functions, respectively, due to the presence of ( x^2 ) and ( x^3 ).

How do you Simplify the square root of 7?

The square root of 7, denoted as √7, is already in its simplest form because 7 is a prime number and cannot be factored into smaller perfect squares. Therefore, it cannot be simplified further. The value remains as √7, which is approximately 2.6457513110645906 when expressed as a decimal.

What algebraic expression describes the output pattern if the input is the variable x?

The output pattern can be described by an algebraic expression that relates the variable x to its output through a specific operation, such as addition, multiplication, or exponentiation. For instance, if the output is twice the input, the expression would be (2x). If the output is the input squared, it would be (x^2). The specific expression depends on the pattern observed in the input-output relationship.

What is 789456123789456123?

The number 789456123789456123 is a large integer, specifically a 18-digit whole number. It does not have any inherent mathematical significance unless placed in a specific context, such as a calculation, an identifier, or a data point. In general, such large numbers can be used in various fields, including computing, finance, or scientific measurements.