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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 the square root of negative 5575?

You cannot take the 'square roots;' of negative number, without going into the realms of IMAGINARY number. So under normal ;square rooting; rules it remains 'unresolved'.

However.

-5575

sqrt( -5575) = sqrt(-1 X 5575) =>

sqrt(-1) X sqrt(5575)

The 'sqrt (-1)' has never been solved., but it is given the symbol lower case letter 'i' for IMAGINARY.

However the sqrt(5575) = +/-74.66592272.....

So the best in modern maths for 'sqrt(-5575_ is +/-74.6659....i ' as the recognised answer.

If you can solve the 'sqrt(-1)' , the mathemtical/scientific world would like to know.

2x plus 2 equals x plus 5 what does x equals?

2x + 2 = x + 5

Subtract '2' from both sides

Hence

2x = x + 3

Subtract 'x' from both sides

x = 3 The answer !!!!!

What is the mode mean range median of 25 36 12 10 10 44 15?

25 36 12 10 10 44 15

First rearrange the terms in rank order.

Hence

10, 10, 12, 15, 25, 36, 44

MODE ; is the term that occurs most frequently (often). In this case '10'.

MEDIAN : is the Absolute middle term . In this case '15'. There are three terms to either side of '15'.

MEAN ; ; is the sum of all the terms divided by the number of terms.

Hence

[10 + 10 + 12 + 15 + 25 + 36 + 44 ] / 7

[152]7 = 21.71428.... ~ 21.7

RANGE ; is the difference between the largest and smallest terms

44 -10 = 34 .

Is the median of 8 8 21 14 16 8 4?

8 8 21 14 16 8 4

Rearrange the number in rank order.

Hence

4, 8, 8, 8', 14, 16, 21.

The median is the absolute middle term. In this case the 'dashed eight' (8')

What is the answer of a subtraction question called?

The answer to a subtraction question is called the difference.

For example:

10 − 4 = 6

Here, 6 is the difference.

What is a set relation?

A set relation refers to a relationship between two sets that describes how the elements of one set relate to the elements of another. Common types of set relations include subset, superset, disjoint, and intersection. For example, if set A is a subset of set B, every element of A is also an element of B. Set relations are fundamental in mathematics and are used to analyze and compare different sets and their properties.

What is the function of the Amytoplast?

Amyloplasts are specialized organelles found in plant cells that function primarily in the synthesis and storage of starch. They convert glucose into starch for energy storage, particularly in non-photosynthetic tissues like roots and tubers. In addition to storing starch, amyloplasts can also play a role in the breakdown of starch back into glucose when energy is needed by the plant.

How do you solve elimination on this problem 3x 2y-31 5x 2y-49?

To solve the system of equations using elimination, first write the equations in a standard form. The equations given seem to be misformatted; if we assume they are (3x + 2y = 31) and (5x + 2y = 49), you can eliminate (2y) by subtracting the first equation from the second. This results in (2x = 18), so (x = 9). Substitute (x = 9) back into one of the original equations to find (y).

What is a polygon with four sides and for angles whose sum is 360 degrees?

A polygon of four sides is a TETRAGON. Commonly named a quadrilateral.

All quadrilateral angles always sum to 360 degrees.

A tetragon always has four sides and four angles.

Depending on their shape , they go by different names.

viz., square, parallelogram, rhombus, trapezium, kite, and irregular.

How do i write 1 million out in numbers?

1,000,000 that's how you write 1 milion in numbers!

What is the median of 10 11 12 13 14 15 16 17 18 19 20?

The median of {10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20] is the 6th values which is 15.

What honours did Ramanujan receive for his work?

Srinivasa Ramanujan, the renowned Indian mathematician, received several honors for his groundbreaking contributions to mathematics. In 1918, he was elected a Fellow of the Royal Society (FRS), making him one of the youngest members at that time. Additionally, he was awarded the prestigious title of Fellow of Trinity College, Cambridge. His work has continued to influence mathematics, leading to numerous posthumous recognitions and honors, including the establishment of the Ramanujan Prize for young mathematicians.

What is a expression which combines numbers and the operation?

An expression that combines numbers and operations is called a mathematical expression. It typically includes numbers (also known as constants), variables, and operators such as addition (+), subtraction (−), multiplication (×), and division (÷). For example, in the expression (3x + 5), the number 3 is multiplied by the variable (x), and then 5 is added to the result. Expressions can be simplified or evaluated but do not contain an equals sign.

How do bacteria live?

Bacteria are single-celled microorganisms that thrive in diverse environments, including soil, water, and even within the human body. They obtain energy and nutrients through various means, such as photosynthesis, fermentation, or by breaking down organic matter. Bacteria reproduce primarily through binary fission, a process where one cell divides into two identical cells. Their adaptability allows them to survive in extreme conditions, contributing to their widespread presence on Earth.

Can rays ever be parallel lines?

Rays aren't really lines, since (Euclidean) lines extend

infinitely in all directions, so they can't be parallel lines.

But that's to fret a bit too much over the wording. Yes, rays,

just like lines and line segments, can be parallel to other rays,

lines, or line segments.

What two segments or rays in the Same plane are parallel?

Two lines of a plane are said to be parallel if they do not

intersect and the perpendicular distance betweem them is always

same.

What is member relation?

Member relations refer to the interactions and connections between an organization and its members, typically in the context of associations, clubs, or membership organizations. This encompasses communication, engagement, and the overall experience of members, aiming to foster a sense of community and loyalty. Effective member relations strategies often involve understanding member needs, addressing concerns, and providing value through services, resources, and support. Ultimately, strong member relations contribute to member satisfaction and retention.

What is the square root of 1600 simplified?

The square root of 1600 is 40, since 40 multiplied by itself equals 1600. This can be simplified directly as (\sqrt{1600} = 40).

Is the 4x objective is sufficient for observing bacteria?

The 4x objective is generally not sufficient for observing bacteria due to their small size, typically ranging from 0.5 to 5 micrometers. Higher magnifications, such as 10x, 40x, or 100x (oil immersion), are typically used to clearly visualize bacterial cells and their structures. The lower magnification may not provide enough detail to distinguish individual bacteria or their morphological characteristics.

What is the rule for slope?

The rule for slope refers to the formula for calculating the steepness of a line, typically represented as "m" in the equation of a line (y = mx + b). The slope is determined by the ratio of the change in the vertical direction (rise) to the change in the horizontal direction (run), expressed as m = (y2 - y1) / (x2 - x1). A positive slope indicates the line rises from left to right, while a negative slope indicates it falls. A slope of zero means the line is horizontal, and an undefined slope indicates a vertical line.

What do boolean search operators do?

Boolean search operators are used to refine and enhance search queries in databases and search engines. They include operators like AND, OR, and NOT, which help to combine or exclude terms to produce more relevant results. For example, using AND narrows the search by requiring both terms to be present, while OR broadens it by including results that contain either term. NOT excludes specific terms from the search results, allowing for more targeted queries.