 SEMATHS.ORG

# Last questions

Nov 6, 2021

#### What properties of a polygon make it regular

A polygon can be regular or irregular. A regular polygon has all sides of equal length, and all angles of equal size<...
Nov 6, 2021

#### What gas is released during the krebs cycle

The Krebs cycle consumes pyruvate and produces three things: carbon dioxide, a small amount of ATP, and two kinds...
Nov 6, 2021

#### How does a rectangle look

A rectangle is a 2D shape in geometry, having 4 sides and 4 corners. Its two sides meet at right angles. The opp...
Nov 6, 2021

#### What are fractions with the same denominator called

Fractions with the same denominators are called like fractions. To add fractions with like denominators, add the ...
Nov 6, 2021

#### How has community service impacted your life

Volunteering encourages young people to think of others and become compassionate young adults. It is the perfect way to...
Nov 6, 2021

#### How many quadrilaterals are there

There are 5 types of quadrilaterals – Rectangle, Square, Parallelogram, Trapezium or Trapezoid, and Rhombus....
Nov 6, 2021

#### How many combinations with 4 items

I.e. there are 4 objects, so the total number of possible combinations that they can be arranged in is 4! = 4 x 3 x 2 x ...
Nov 6, 2021

#### How many equal sides does an isosceles triangle have

In geometry, an isosceles triangle is a triangle that has two sides of equal length....
Nov 6, 2021

#### How many sister chromatids are in a chromosome

Each chromosome consists of 2 sister chromatids. The daughter cells now move in to the third and final phase of m...
Nov 6, 2021

#### How did the roman empire collapse

Invasions by Barbarian tribes The most straightforward theory for Western Rome's collapse pins the fall on a stri...
Nov 6, 2021

#### What shape is a quadrilateral

A quadrilateral is a shape with four sides. A hexagon is a shape with 6 sides and 6 angles. A triangle is a shape...
Nov 6, 2021

#### How many enzymes are involved in glycolysis

The three key enzymes of glycolysis are hexokinase, phosphofructokinase, and pyruvate kinase. Lactate dehydrogena...
Nov 6, 2021

#### How many diagonals in a rectangle

Rectangles have two diagonals that connect two opposite vertices. They are the same size....
Nov 6, 2021

#### What is the surface area of the right triangular prism

The formula of the surface area of a right triangular prism is (Length × Perimeter) + (2 × Base Area) = (s1 s 1 + s...
Nov 6, 2021

#### What are proportions

Proportion, in general, is referred to as a part, share, or number considered in comparative relation to a whole. Propor...
Nov 6, 2021

#### How to tell if a fraction is terminating or repeating

To find out whether a fraction will have a terminating or recurring decimal, look at the prime factors of the denomin...
Nov 6, 2021

#### What does dilation mean in math

A dilation (similarity transformation) is a transformation that changes the size of a figure. It requires a cente...
Nov 6, 2021

#### How to convert diameter to radius

Just divide by two; half the diameter is the radius. For example, if you have a diameter of 6cm, just divide by 2...
Nov 6, 2021

#### What structures are found in both plant and animal cells

Both plant and animal cells contain a nucleus, endoplasmic reticulum, and cell membrane....
Nov 6, 2021

#### What is part of a circle called

The circumference (or perimeter) of a circle is made of many points that are all the same distance (equidistant) ...
Nov 5, 2021

#### What is the slope of a horizontal line?

The slope of a line can be positive, negative, zero, or undefined. A horizontal line has slope zero since it does...
Nov 5, 2021

#### How to calculate cubic units

So, 1 cubic foot is a cube with side length 12 inches. You can use the formula for the volume of a prism, V=bwh ,...
Nov 5, 2021

#### What shape has perpendicular lines

Some shapes which have perpendicular lines are: Square. Right-angled triangle. Rectangle....
Nov 5, 2021

#### What is a six sided object called

A six-sided shape is a hexagon, a seven-sided shape a heptagon, while an octagon has eight sides… There are nam...
Nov 5, 2021

#### How to find magnitude of frictional force

The magnitude of the frictional force is proportional to the normal force, fk = μkmg cosθ. The component of the...
Nov 5, 2021

#### How many congruent angles does a trapezoid have

A trapezoid is a quadrilateral with two parallel sides. It does not have any requirement as to the size of the an...
Nov 5, 2021

#### How many punic wars were fought?

The three Punic Wars between Carthage and Rome took place over nearly a century, beginning in 264 B.C. and ending...
Nov 5, 2021

#### How to calculate height

To get your height in inches alone from the way it's usually presented (e.g. 5' 7"), multiply the total ...
Nov 5, 2021

#### What is the purpose of electron transport chain

Explanation: The electron transport chain is primarily used to send protons across the membrane into the intermembran...
Nov 5, 2021

#### What is indirect variation

When modeling real world situations, we often use what's called inverse or indirect variation to describe a relation...
Nov 5, 2021

#### How much volume does a mole of gas occupy

One mole of gas has a volume of 22.4L at STP....
Nov 5, 2021

#### How to find nth term of arithmetic sequence

Step 1: The nth term of an arithmetic sequence is given by an = a + (n – 1)d. So, to find the nth term, substit...
Nov 5, 2021

#### How to calculate marginal revenue product of labor

Relation to marginal product The marginal revenue product of a worker is equal to the product of the marginal product of...
Nov 5, 2021

#### How do you find the height of a triangular pyramid

To determine the slant height of a triangular pyramid, square the length of one of the base triangle sides, then mult...
Nov 5, 2021

#### What is prime polynomial

A polynomial with integer coefficients that cannot be factored into polynomials of lower degree , also with integ...
Nov 5, 2021

#### What does converse mean in math

In logic and mathematics, the converse of a categorical or implicational statement is the result of reversing its two...
Nov 5, 2021

#### How to find arc length of a semicircle

How do I find the arc length of a semicircle if its diameter is 9? The arc length of a semicircle is half the circumf...
Nov 5, 2021

#### What is a right rectangular prism

A right rectangular prism is a three-dimensional solid shape with 6 faces, 12 edges, and 8 vertices. It is also c...
Nov 5, 2021

#### What shape is a quadrilateral but not a parallelogram

An ordinary quadrilateral with no equal sides is not a parallelogram. A kite has no parallel lines at all. A trap...
Nov 5, 2021

#### What is the simplified value of the exponential expression 27^1/3

Answer: = 3 . Step-by-step explanation: Given : ....
Nov 5, 2021

#### What does mapping means

The definition of mapping is making a map, or a matching process where the points of one set are matched against the ...
Nov 5, 2021

#### How to do unit rates

In a unit rate, the denominator is always 1. So, to find unit rate, divide the denominator with the numerator in a wa...
Nov 5, 2021

#### How to find area of similar triangles

The ratio of the area of two similar triangles is equal to the square of the ratio of any pair of the corresponding s...
Nov 5, 2021

#### How do you name a line

A line can be named either using two points on the line (for example, ↔AB ) or simply by a letter, usually lowe...
Nov 5, 2021

#### How to find surface area of cylinders

Total surface area of a closed cylinder is: A = L + T + B = 2πrh + 2(πr2) = 2πr(h+r)...
Nov 5, 2021

#### How to find the concentration of an unknown solution

Divide the mass of the solute by the total volume of the solution. Write out the equation C = m/V, where m is the...
Nov 5, 2021

#### What is a quadrilateral with one set of parallel sides

A trapezoid is a quadrilateral with exactly one pair of parallel sides....
Nov 5, 2021

#### What is the opposite of zero

That's because the opposites of the number is the negative number of that number. but 0 is neither positive n...
Nov 5, 2021

#### What is an example of speed

Speed is a way of measuring how quickly something is moving or being done, or something moving fast. An example of speed...
Nov 5, 2021

#### How to find the range of an exponential function

For any exponential function, f(x) = abx, the range is the set of real numbers above or below the horizontal asym...
Nov 5, 2021

#### How to multiply cents

To multiply a coin or dollar bill by 10, you just need to repeat it 10 times. Ten 10 dollar bills have the same v...
Nov 5, 2021

#### What does round to the nearest thousandth mean

The rounding of numbers to the nearest thousandth means rounding of any decimal numbers to its nearest thousandth val...
Nov 5, 2021

#### What is 2 as a fraction in simplest form

1/50 is the answer for 2 percent as a fraction in simplest form....
Nov 5, 2021

#### What are the domain and range of f(x) = 2(3x)?

Answer: The domain and the range of the function f (x) = 2 (3x) is ( - ∞, ∞)....
Nov 5, 2021

#### What does a complementary angle look like

Two Angles are Complementary when they add up to 90 degrees (a Right Angle). They don't have to be next to ea...
Nov 5, 2021

#### What does terminating decimal mean

: a decimal which can be expressed in a finite number of figures or for which all figures to the right of some pl...
Nov 5, 2021

#### What is the purpose of fermentation

What is the purpose of fermentation? To regenerate NAD+ so glycolysis can continue to happen. To generate about 3...
Nov 5, 2021

#### How does the constitution limit the power of congress

Limits on Congress pass bills of attainder, which punish individuals outside of the court system. suspend the wri...
Nov 5, 2021

#### How to determine if a function has an inverse algebraically

To find the inverse of a function using algebra (if the inverse exists), set the function equal to y. Then, sw...
Nov 5, 2021

#### How to subtract logs

To subtract logs, just divide the inputs (numbers inside the log). The rule logb(x/y) = logb(x) - log_b(y) lets y...
Nov 5, 2021

#### What are the units of temperature

Temperature Conversion (Exact)FromTo FahrenheitTo Kelvin<...
Nov 5, 2021

#### How to find centroid of an area

C=(¯x,¯y)¯x=∫A(dA∗x)A¯y=∫A(dA∗y)A...
Nov 5, 2021

#### What organelle inactivates toxins?

The smooth endoplasmic reticulum also contains enzymes responsible for degrading inorganic toxins, such as alcoho...
Nov 5, 2021

#### How to rank boiling points

Consider the boiling points of increasingly larger hydrocarbons. More carbons means a greater surface area possible for ...
Nov 5, 2021

#### What makes a sequence geometric

A geometric sequence is a sequence of numbers in which the ratio between consecutive terms is constant. where r i...
Nov 5, 2021

#### What is the volume of the regular pyramid below

Pyramid volume formula volume = (1/3) * base_area * height , where height is the height from the base to the apex...
Nov 4, 2021

#### How to identify nucleophile and electrophile

So nucleophiles are species that have a pair of electrons to donate, whilst electrophiles are species that either...
Nov 4, 2021

#### What is a twenty sided shape called

A 20 sided shape (polygon) is called Icosagon. This is called 1 quadrillion. Polygons are usually named accordin...
Nov 4, 2021

#### How to find speed in physics

To solve for speed or rate use the formula for speed, s = d/t which means speed equals distance divided by time....
Nov 4, 2021

#### What is a proportion example

If two ratios are equivalent to each other, then they are said to be in proportion. For example, the ratios 1:2, ...
Nov 4, 2021

#### What is skew in math

In three-dimensional geometry, skew lines are two lines that do not intersect and are not parallel. Two lines th...
Nov 4, 2021

#### What is the total surface area

The total surface area of a solid is the sum of the areas of all of the faces or surfaces that enclose the solid....
Nov 4, 2021

#### What is shaped like a hexagon

Hexagons occur in nature in many places, such as the interlocking cells of a beehive and the crystals of a snowflake.
Nov 4, 2021

#### How to find exponential regression

An exponential regression is the process of finding the equation of the exponential function that fits best for a set of...
Nov 4, 2021

#### What is the origin in a graph

Most often, when we use a coordinate graph , each mark on the axis represents one unit, and we place the origin - the...
Nov 4, 2021

#### How to tell if a molecule has hydrogen bonding

To recognize the possibility of hydrogen bonding, examine the Lewis structure of the molecule. The electronegativ...
Nov 4, 2021

#### What does sin 1 mean

The inverse sine function or Sin-1 takes the ratio, Opposite Side / Hypotenuse Side and produces angle θ. It is ...
Nov 4, 2021

#### What is the range of the sine function?

In the sine function, the domain is all real numbers and the range is -1 to 1....
Nov 4, 2021

#### How to find critical number of a function

That means that in order to find the critical numbers of a function, we just need to find the derivative of the funct...
Nov 4, 2021

#### How many questions are on the language arts ged test

The GED® Reasoning through Language Arts Test (RLA) evaluates your reading and writing skills. You will have 2.5 hours ...
Nov 4, 2021

#### What does the pentagon represent

The Pentagon is the headquarters building of the United States Department of Defense. As a symbol of the U.S. mil...
Nov 4, 2021

#### How to determine the rate limiting step

The reaction mechanism is the step-by-step process by which reactants actually become products. The overall reaction rat...
Nov 4, 2021

#### What is the significance of crossing over

Crossing over is essential for the normal segregation of chromosomes during meiosis. Crossing over also accounts ...
Nov 4, 2021

#### What is x^3 called

The "basic" cubic function is f(x) = x3. You can see it in the graph below. In a cubic function, the hi...
Nov 4, 2021

#### How is boiling point related to intermolecular forces

Intermolecular forces (IMFs) can be used to predict relative boiling points. The stronger the IMFs, the lower the...
Nov 4, 2021

#### How does a double blind experiment work

A double-blind study is one in which neither the participants nor the experimenters know who is receiving a particula...
Nov 4, 2021

#### How to compare graphs

How to 'compare' graphs. In questions where you are asked to compare, you need to comment on both the similar...
Nov 4, 2021

#### How does the respiratory system work with the digestive system

The respiratory and digestive systems work together to power the body. A properly functioning respiratory system deli...
Nov 4, 2021

#### How do nonpolar molecules cross the cell membrane

Explanation: Only small, uncharged molecules that are nonpolar can cross the cell membrane via diffusion. Ions l...
Nov 4, 2021

#### How is the phosphorus cycle different from other biogeochemical cycles

How is the phosphorus cycle different from other biogeochemical cycles? The phosphorus cycle is different from other bi...
Nov 4, 2021

#### What is a plane in geometry examples

In geometry, a plane is a flat surface that extends into infinity. It is actually difficult to imagine a plane in real ...
Nov 4, 2021

#### How to find isosceles triangle angles

The missing angle is not opposite the two marked sides and so, we add the two base angles together and then subtract thi...
Nov 4, 2021

#### How to find center of data

The two most widely used measures of the “center” of the data are the mean (average) and the median. To calcu...
Nov 4, 2021

#### How do you know if an equation has no solution

Summary. Normally when solving problems you end up with something at the end saying, x= [some number]. When a problem ha...
Nov 4, 2021

#### How to prove an equation

One way to prove that an equation is true is to start with one side (say, the left-hand side) and to convert it, by a...
Nov 4, 2021

#### What does area mean in geometry

In geometry, the area can be defined as the space occupied by a flat shape or the surface of an object....
Nov 4, 2021

#### What are 2d and 3d shapes

'2D', or 'two-dimensional', simply means that the shape is flat. A '3D' ('three-dime...
Nov 4, 2021

#### How to calculate altitude

To calculate pressure altitude without the use of an altimeter, subject approximately 1 inch of mercury for every 1,0...
Nov 4, 2021

#### How to find unit cm

To find the unit contribution margin, subtract each stuffed animal's selling price from its variable costs....
Nov 4, 2021

#### What is the difference between similar and congruent triangles

What are the differences between similar triangles and congruent triangles? Answer: Similar triangles have the same ...
Nov 4, 2021

#### How are proteins and nucleic acids related

Protein is a molecule made up of polypeptides. It is a class of biological molecule consisting of chains of amino acids ...
Nov 4, 2021

#### In a normal distribution what percent of the values lie

In normally distributed data, about 34% of the values lie between the mean and one standard deviation below the m...