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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.

893,875 Questions

What is one less than 40000?

One less than 40,000 is 39,999. ✅

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What is the slope of the line perpendicular to y5?

What is 'y5'.

To find the perpendicular slope use the eq'n.

mm' = -1

Where 'm' is one slope and ' m' ' is the perpendicular slope.

Hence as an example a slope of 'm =5'

5m' = -1

is

m' = -1/5 The perpendicular slope.

What is the symbol that looks like a long l and a short 3 put together?

The symbol you're describing is likely the euro sign (€). It consists of a stylized letter "E" with two horizontal lines through it, resembling a combination of a long "l" and a short "3." The euro sign is used to represent the currency of the Eurozone, which includes many European Union countries.

Two fifths divided by one sixth?

[2/5] / [ 1/6]

Division of fractions.

Remember the rule ' CHANGE THE SIGN TO MULTIPLY AND INVERT(TURN OVER) THE RIGHT HAND FRACTION. Then proceed to multply

Hence

2/5 X 6/1 =

12/5

Convert to a mixed number.

2 2/5 The Answer!!!!!

What is one sixth plus three fifths?

1/6 + 3/5

Addition of fractions.

Step 1. Bring to a common denominator of '30' ) 6 x 5) and equivalent numerators.

Hence

1/6 + 3/5 = 5/30 + 18/30

Step 2. Add the numerators(top_

Hence 5/30 + 18/30 = 23/30 The answer!!!!!

What does B C stand for?

In Christian religious terms.

'B C' means 'Before Christ' was born.

'A.D'. means ' Anno Dominii' ' Latin for ' In the year of our Lord' (After Christ was born).

What does degree C stand for?

'Degree C' is 'Degrees Celsius', formerly ' Degrees Centigrade'.

Is a sentinel value always the last value added to a sum being accumulated in a sentinel controlled loop?

No, a sentinel value is not necessarily the last value added to a sum in a sentinel-controlled loop. Instead, it is a special value used to indicate the end of input or the termination condition for the loop. The sentinel value is typically not included in the calculations or accumulation, serving solely to signal when to stop processing further input. The last value added to the sum would be the last valid input before the sentinel value is encountered.

How many concrete blocks per m2?

The number of concrete blocks per square meter depends on the size of the blocks used. For standard concrete blocks measuring 400 mm x 200 mm (0.4 m x 0.2 m), approximately 12.5 blocks are needed per square meter, accounting for mortar joints. Always consider the specific dimensions of the blocks and any additional factors such as cutting or wastage.

What does loggorea mean I don't know?

"Loggorea" is not a widely recognized term in English or any other language, and it may be a misspelling or a neologism. If you meant "logorrhea," it refers to excessive and often incoherent talkativeness. If you have a specific context or usage in mind, please provide more details for a clearer explanation.

What are the multiplier?

Multipliers are economic factors that amplify the effect of a change in investment, spending, or income across an economy. For example, when the government increases spending, it can lead to a greater overall increase in economic activity due to the subsequent rounds of spending by individuals and businesses. The multiplier effect can be influenced by various factors, such as the marginal propensity to consume and the level of economic slack. In essence, it illustrates how an initial financial input can lead to a more significant overall economic impact.

Why are there 12 months?

The division of the year into 12 months originates from ancient lunar calendars, particularly the Babylonian calendar, which used a 12-month system based on the lunar cycles. Each month corresponds roughly to the cycles of the moon, with a lunar month lasting about 29.5 days. This system was later adopted and adapted by the Roman calendar, which established the 12-month structure we use today. Over time, the Gregorian calendar further refined this system, solidifying the 12-month year we recognize now.

What is 0.00000615 in scientific notation?

0.00000615 in scientific notation is expressed as 6.15 × 10⁻⁶. This format allows for a more compact representation of very small numbers by indicating the significant figures and the power of ten that corresponds to the decimal place.

How many t in 2000 ib?

To convert 2000 pounds (lb) to tons (t), you can use the conversion factor where 1 ton is equal to 2000 pounds. Therefore, 2000 lb is equal to 1 ton. Thus, there is 1 ton in 2000 pounds.

What units are given in the question for the rectangle's length and width?

The question does not specify the units for the rectangle's length and width. Typically, units could be in centimeters, meters, inches, or feet, depending on the context. If the question includes numerical values, the accompanying units should be noted. If no units are given, it's common to assume they are in standard units, such as centimeters or meters.

How do you calculate the square footage of a pentagon?

To calculate the square footage of a regular pentagon (where all sides and angles are equal), you can use the formula: ( \text{Area} = \frac{1}{4} \sqrt{5(5 + 2\sqrt{5})} s^2 ), where ( s ) is the length of a side. For an irregular pentagon, you can divide it into simpler shapes (like triangles) to calculate the area of each and then sum them up. Alternatively, you can use the coordinates of the vertices with the shoelace formula if the coordinates are known.

What does the X shape prove?

The "X shape" often refers to various concepts depending on the context, such as the structure of certain molecules in chemistry or patterns in mathematics. In general, it can illustrate symmetry, balance, or the intersection of two lines or axes. In specific applications, like in genetics, it represents the structure of chromosomes, highlighting the relationship between genetic information and inheritance. Ultimately, the proof or significance of the X shape depends on the specific field or theory being examined.

Why does a line segment have only one perpendicular bisector?

  • A line segment has only one perpendicular bisector because the bisector is defined as a line that divides the segment into two equal parts at a right angle. For any given line segment, there is a unique midpoint where the segment can be divided, and the perpendicular line drawn through this point will always intersect the segment at a 90-degree angle. Since the properties of Euclidean geometry dictate that a line can only intersect another line at one point, this results in a single perpendicular bisector for the segment.

What is the reaction time traveling at 40 miles per hour?

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How many faces does a semi circle have?

A semicircle has one curved face and one flat face, resulting in a total of two faces. The curved face is the outer edge of the semicircle, while the flat face is the straight edge.

A sum that is greater than 50?

A sum that is greater than 50 can be represented by various combinations of numbers. For example, adding 30 and 25 results in a sum of 55, which exceeds 50. Similarly, adding 40 and 15 gives a sum of 55 as well. The possibilities are numerous, as any combination of numbers that totals more than 50 meets the criteria.

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