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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

One exterior angle of a regular pentagon measures?

Use the eq'n

EXT ANG = 360 /n

Where 'n' is the number of sides.

Hence for a pentagon ; 5 sides.

Ext Ang = 360 /5 = 72 degrees.

NB Careful, for any polygon, the exterior angle is the angle between an extrapolated( outward) side ( a continuous straight line) with the next ( adjacent) side.

What is one use of a rational function?

One use of a rational function is in modeling real-world scenarios, such as the relationship between supply and demand in economics. For example, the price of a product can be represented as a rational function of the quantity supplied, illustrating how price changes with varying levels of supply. This helps businesses and economists analyze market behavior and make informed decisions.

What does h mean in algebra?

In algebra, the h stands for an unknown number.
a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t, u, v, w, x, y, and z can all stand for an unknown number.
For example: f-1=2
f is unknown and can be solved for.
However here is another example: f-1=x+2
In this case, f and x do NOT equal the same thing.

What are the following are the types of criteria used in problem solving process?

In the problem-solving process, common types of criteria include feasibility, which assesses the practicality of potential solutions; effectiveness, which evaluates how well a solution addresses the problem; efficiency, focusing on the resource utilization and time required; and acceptability, which considers the stakeholders' approval and willingness to implement the solution. These criteria help ensure that the chosen solution is not only viable but also aligns with the goals and values of those involved.

Use of ratio and proportion in daily life?

Ratio and proportion are used in many everyday situations without us even realizing it. In cooking, recipes use ratios to mix ingredients correctly (like 1 cup of rice to 2 cups of water). In shopping, discounts and price comparisons depend on proportions to calculate savings. Speed (kilometres per hour) and fuel efficiency are examples of ratios in travel.

In school, ratio and proportion help solve problems involving scale drawings, maps, and sharing quantities equally. Understanding these concepts makes calculations easier and more practical in real life.

For clear, step-by-step explanations of topics like ratio and proportion, Sorry Teacher helps students learn in a simple and easy way.

What is the sum of 2 - 7?

Well, isn't that a happy little math problem! When we add 2 and -7 together, we get -5. It's just like blending different colors on our canvas to create something new and beautiful. Remember, there are no mistakes in math, just happy little accidents.

What is 4x4x4x4x4?

5,0000000000000000000000000000000000000_

What is the bicuspids function?

Bicuspids, also known as premolars, serve several functions in the mouth. They are primarily responsible for crushing and grinding food, aiding in the digestion process by breaking down larger pieces into smaller ones. Additionally, bicuspids help maintain the alignment of the teeth and play a role in the overall structure of the mouth and jaw. Their unique shape, with two cusps, allows them to efficiently perform these tasks during chewing.

What problems dis progressives hope to solve?

Progressives aim to address various social, economic, and political issues, including income inequality, systemic racism, climate change, and access to healthcare. They advocate for reforms such as raising the minimum wage, expanding social safety nets, and implementing policies to combat environmental degradation. Additionally, progressives seek to enhance democratic participation and reduce the influence of money in politics to ensure that government serves the interests of all citizens, rather than just the wealthy. Overall, their goal is to create a more equitable and just society.

How do you win a 1500 meter race within 4 minutes?

Running 1500 meters in under 4 minutes (a “sub-4 mile” level effort, though slightly shorter) is an elite performance. It requires world-class speed, endurance, and years of structured training. For reference, the first man to break 4 minutes for the mile was Roger Bannister in 1954 — and a 1500m under 4:00 is still extremely competitive at read more ln.run/iGgSx

8 yards 2 feet equal to how many feet?

8 yds (3ft/yd) + 2 ft = 24ft + 2ft = 26ft and now you are still as ignorant about unit conversions as you were before. If you would only look at your notes, or textbook, or talk to a classmate who gets it, or to the teacher to explain this to you, or even, GOD FORBID, try to use your god-given brain to figure it out for yourself you migth actually learn something.

Is the point (25) on the line 4x-3y-11?

To determine if the point (2, 5) is on the line represented by the equation (4x - 3y - 11 = 0), substitute (x = 2) and (y = 5) into the equation. This gives (4(2) - 3(5) - 11 = 8 - 15 - 11 = -18), which does not equal zero. Therefore, the point (2, 5) is not on the line.

What is the opposite term of a square root?

The opposite term of a square root is a square. While a square root of a number ( x ) yields a value ( y ) such that ( y^2 = x ), squaring a number ( y ) results in ( y^2 ), which is the original number ( x ). Essentially, squaring reverses the operation of taking a square root.

What is financially independent?

Financial independence refers to a state where an individual has sufficient personal wealth to live without having to actively work for basic necessities. This typically means having enough income from investments, savings, or passive sources to cover living expenses. Achieving financial independence allows individuals the freedom to pursue their passions, make choices about their careers, and enjoy a more flexible lifestyle without the constraints of traditional employment.

What is the element in algebra?

In algebra, an element typically refers to an individual member of a set, such as a number or variable. For example, in the set of integers, elements include numbers like -2, 0, and 5. Algebra often uses elements in various operations and expressions, helping to formulate equations and solve problems. Understanding elements is crucial for manipulating algebraic structures like groups, rings, and fields.

When is the absolute value of a difference of the absolute values?

The absolute value of a difference of the absolute values, (| |a| - |b| |), is equal to the absolute value of the difference of the numbers, (|a - b|), when (a) and (b) have the same sign (both positive or both negative). In other cases, it may not hold true. Thus, the equality (| |a| - |b| | = |a - b|) is generally true when (a) and (b) are either both non-negative or both non-positive.

What is a2 plus b -c divided by m?

You are not completely clear on your question. However,

a^(2) + b - c /m is one answer ( NB The 'm' is just divided into the 'c').

Another answer is

[ a^(2) + b - c ] / m This means that the 'm' is divided into the sum of all the terms in the (square) brackets.

What is the simplified version of a times b times c?

Algebraically this would be written as ' abc '.

Note there are no multiplication signs (X).

In algebra ;-

Addition is written as ' a + b '

Subtraction as ' a - b '.

Multi[plication as ' ab '. As mentioned above the multiplication sign is not use.

Division is ' a/b ' like a fraction.

NB THe multiplication sign (X) is NEVER used in algebra, because it may be confused with the unknown 'x'.

How do you Solve -38 n equals 46?

-38n = 46

Divide both sides by ' -38'

Hence

n = 46/ -38

Cancel dowen by '2'

n = 23/ -19

n = -1.210526316.... ( Note the answer is negative)/.

How do you solve -7-3 -4-6?

To solve the expression -7-3 -4-6, you can combine like terms by adding or subtracting. Start by solving the first set: -7-3 which equals -10. Then solve the second set: -4-6 which equals -10 as well. Finally, combine the results: -10 - (-10) = -10 + 10 = 0. So, the solution is 0.