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Math and Arithmetic

Math is the study of abstractions. Math allows us to isolate one or a few features such as the number, shape or direction of some kind of object. Then we can study what can be learned about the behavior of those features while ignoring everything else about the object.

893,880 Questions

What two numbers add to be -2 but multiply to be -15?

The two numbers that add to -2 and multiply to -15 are 3 and -5. When you add them, 3 + (-5) equals -2, and when you multiply them, 3 × (-5) equals -15.

What is the use of a portion or part of something to represnt the whole?

The use of a portion or part of something to represent the whole is known as synecdoche, a rhetorical device often employed in language and literature. This technique allows for more vivid imagery and can create a deeper connection with the audience by focusing on a relatable aspect of the larger entity. For example, referring to a car as "wheels" emphasizes a key feature while evoking the entire vehicle concept. This approach can enhance understanding and convey complex ideas succinctly.

How many properties are there in whole numbers in maths?

Whole numbers have several key properties, including closure, commutativity, associativity, and the existence of an identity element. Closure means that the sum or product of any two whole numbers is also a whole number. Commutativity indicates that the order of addition or multiplication does not affect the result, while associativity means that the grouping of numbers does not change their sum or product. Lastly, the identity element for addition is 0, and for multiplication, it is 1.

What does x plus y mean?

"x plus y" refers to the mathematical operation of addition, where "x" and "y" represent variables or numbers. When you add x and y together, you combine their values to yield a new sum. This expression is commonly used in algebra to represent a relationship between two quantities.

How is the process used to multiply a fraction and a whole number similar to the process used to multiply two whole numbers to multiply two?

Multiplying a fraction by a whole number involves the same fundamental principle as multiplying two whole numbers: repeated addition. When you multiply a whole number by a fraction, you can think of the fraction as representing a part of the whole, and the whole number indicates how many times to take that part. Similarly, multiplying two whole numbers involves adding one number to itself repeatedly based on the value of the other number. Both processes ultimately rely on combining equal groups.

What accounts for the different historical trajectories of these two expressions of Christendom?

The different historical trajectories of Christendom in Western Europe and Eastern Europe can be attributed to several factors, including theological differences, political dynamics, and cultural influences. In the West, the Roman Catholic Church played a central role in unifying and shaping societal norms, while the Eastern Orthodox Church maintained a more decentralized influence, often intertwined with Byzantine political power. Additionally, the Protestant Reformation further fragmented Western Christendom, leading to diverse expressions of faith and governance. In contrast, Eastern Christendom remained more stable in its religious practices, resulting in a different evolution of Christian identity and cultural development.

When you are 13 in our neighbourhood you know the score?

When you're 13 in our neighborhood, you quickly learn the unwritten rules and dynamics that shape social interactions. You understand the importance of loyalty among friends and the unspoken boundaries that define rivalries. Navigating these relationships becomes a rite of passage, teaching you valuable lessons about trust and conflict. Ultimately, it's a time of growth where you start to find your identity within the community.

In a clade mammalian has the three descendents monotreme marsupials and eutheria. What will these three descendants together be called?

The three descendants of the clade Mammalia—monotremes, marsupials, and eutherians—are collectively referred to as "therian mammals." This term encompasses all mammals that give birth to live young, excluding monotremes, which are egg-laying mammals. Therefore, monotremes, marsupials, and eutherians represent the major evolutionary branches within the mammalian lineage.

How many perpendicular lines does the Swedish flag got?

The Swedish flag features a design that includes a blue field with a yellow Scandinavian cross. The cross creates one vertical and one horizontal line, both of which are perpendicular to each other. Therefore, the Swedish flag has one set of perpendicular lines formed by the cross.

In many states trailers with a GVWR of 1500 pounds or greater required by law to have what equipment?

In many states, trailers with a Gross Vehicle Weight Rating (GVWR) of 1,500 pounds or greater are required by law to have specific safety equipment, including functioning brake lights, tail lights, and turn signals. Additionally, they often need to be equipped with brakes, particularly if the trailer exceeds a certain weight threshold. Some states may also mandate the use of safety chains and reflectors for increased visibility and safety on the road. Always check local regulations for specific requirements.

How do you do 1.078 minus 6.35?

To subtract 6.35 from 1.078, you can align the numbers by their decimal points. First, convert 1.078 to 1.0780 for easier calculation. Then, perform the subtraction: 1.0780 - 6.3500 = -5.2720. Thus, 1.078 minus 6.35 equals -5.272.

What Perfect squares less than 30?

The perfect squares less than 30 are 0, 1, 4, 9, 16, and 25. These correspond to the squares of the integers 0 through 5. Specifically, they are (0^2), (1^2), (2^2), (3^2), (4^2), and (5^2).

Why is a Round Goby called a round goby?

The Round Goby is named for its distinctive, rounded body shape, which differentiates it from other species within the goby family. This fish is characterized by its large, bulbous head and a streamlined body that tapers towards the tail, giving it a somewhat rounded appearance. Additionally, the name "goby" refers to its classification within the Gobiidae family, which encompasses various species known for their small size and unique morphological features.

What is the range of 0 1 2 3 4 5?

The range of a set of numbers is calculated by subtracting the smallest number from the largest number in the set. For the numbers 0, 1, 2, 3, 4, and 5, the smallest number is 0 and the largest is 5. Therefore, the range is 5 - 0, which equals 5.

How much is 5000 mcg of biotin?

5000 mcg of biotin is equivalent to 5 mg, as there are 1000 micrograms (mcg) in a milligram (mg). Biotin is a water-soluble B-vitamin, commonly associated with benefits for hair, skin, and nails. It is often found in dietary supplements and can also be obtained from food sources like eggs, nuts, and whole grains.

What would you see if you stood at o 24 N and East?

If you stood at 24° N latitude and faced east, you would be in a region that could vary depending on your specific longitude. This latitude line crosses through several countries, including parts of Mexico, the Caribbean, and northern Africa, among others. The landscape would likely include diverse environments, such as deserts, tropical forests, or coastal areas, depending on your exact location. Overall, you'd see a mix of natural scenery and possibly urban areas, depending on how far you are from populated regions.

Which table shows a proportional relationship between a and b?

To determine if a table shows a proportional relationship between ( a ) and ( b ), you need to check if the ratio ( \frac{b}{a} ) remains constant for all pairs of values. If the ratio is the same across the entire table, then ( a ) and ( b ) are proportional. Additionally, if the values of ( b ) can be expressed as a constant multiple of ( a ), that also indicates a proportional relationship.

What country divided parts of Africa into 13 territories before granting their independence in 1960?

Belgium divided parts of Africa into 13 territories, primarily in the Congo region, before granting independence to the Democratic Republic of the Congo in 1960. The colonial administration established control over vast areas, leading to significant exploitation of resources and impacts on local populations. The transition to independence was marked by political turmoil and challenges in establishing a stable government.

What is the grading scale for 15 questions?

The grading scale for 15 questions typically involves assigning points to each question, often with a total of 100 points for the assessment. For example, each question could be worth 6.67 points, meaning that a student would need to correctly answer approximately 10 questions to achieve a passing score of 60%. Alternatively, the grading scale could categorize scores into letter grades, such as A for 90-100%, B for 80-89%, and so on. Adjustments may vary based on specific educational or institutional guidelines.

Is it true or false that 7 cl equals 70000 kl?

False. Seven centiliters (7 cl) is equal to 0.00007 kiloliters (kl), not 70,000 kiloliters. To clarify, 1 kiloliter equals 100,000 centiliters.

What does the term uf mean in 10-2 uf with ground?

In the expression "10-2 µF with ground," the term "µF" refers to microfarads, a unit of capacitance. The "10-2" indicates a capacitance value of 0.1 µF (10 divided by 100, since 2 represents the exponent). The mention of "with ground" suggests that this capacitor is connected to a ground reference in a circuit, which can influence its behavior and function in filtering or decoupling applications.

Who is number 13 on the bulls?

As of my last update, number 13 on the Chicago Bulls is worn by point guard Coby White. He was drafted by the Bulls in 2019 and has since become an integral part of the team's roster. Please verify with the latest sources, as player rosters can change frequently.

How many lines of symmetry does figure U have?

To determine the number of lines of symmetry in figure U, we need to analyze its shape. Figure U typically has one vertical line of symmetry that divides the shape into two mirror-image halves. Therefore, figure U has one line of symmetry.

What is UFone Help Line?

UFone Help Line is a customer support service provided by UFone, a telecommunications company in Pakistan. It offers assistance to customers regarding their mobile services, billing inquiries, network issues, and other related queries. Users can typically reach the helpline through a designated phone number or online channels for prompt support and guidance.

Where was W. Roentgen from?

Wilhelm Conrad Röntgen was from Germany. He was born on March 27, 1845, in Lennep, which is now part of Remscheid, Germany. Röntgen is best known for his discovery of X-rays in 1895, for which he received the first Nobel Prize in Physics in 1901.