Where are convex mirrors located?
Space and AstronomyConvex mirrors are also often found in the hallway of various buildings including hospitals, hotels, schools, stores and apartment building. Usually, these mirrors are mounted to a wall or ceiling at points where hallways cross each other or make a sharp turn. Where can you find concave mirrors? Some concave mirror uses are listed in
What is a takeoff in pipefitting?
Space and AstronomyWhat are the 5 different pipe fittings? There are different kinds of pipe fittings used in piping systems. The main and most commonly sought are: elbows, tees, reducers, unions, couplings, crosses, caps, swage nipples, plugs, bushings, adapters, outlets, valves & flanges. How many types of pipe fitting are there? Coupling, Adapter, Bushing and Union Fittings
What planet has the strongest greenhouse effect?
Space and AstronomyVenusVenus. Venus is similar to Earth in terms of size and mass, but its surface temperature is about 460 degrees Celsius. This is hot enough to melt lead! The Venusian atmosphere is mainly made up of carbon dioxide, a greenhouse gas. Which planet is the hottest because of the greenhouse effect? Venus Venus is the
What is a ? B?
Space and AstronomyA/B testing is a way to compare two versions of a single variable, typically by testing a subject’s response to variant A against variant B, and determining which of the two variants is more effective. What is B minus grade? B − Good. Conditional, not fully satisfactory. What percentage is a B? 70% to 74%
How do you subtract expressions?
Space and AstronomyA rational expression is a ratio of two polynomials. To add or subtract two rational expressions with the same denominator, we simply add or subtract the numerators and write the result over the common denominator. When the denominators are not the same, we must manipulate them so that they become the same. How do we
What shape are the earth sun and moon?
Space and Astronomyspherea sphere. What is the shape of the Sun and the Moon? spherical The Earth, Moon and Sun are all spherical. However, it is only in the last 50 years or so that we have photographic evidence of this. Astronauts who have travelled into space have been able to see that the Earth, Moon and
What is the Biconditional of a conditional statement?
Space and AstronomyA biconditional statement is a statement combing a conditional statement with its converse. So, one conditional is true if and only if the other is true as well. It often uses the words, “if and only if” or the shorthand “iff.” It uses the double arrow to remind you that the conditional must be true
Is priori a metaphysics?
Space and AstronomyHowever, most philosophers at least seem to agree that while the various distinctions may overlap, the notions are clearly not identical: the a priori/a posteriori distinction is epistemological; the analytic/synthetic distinction is linguistic; and the necessary/contingent distinction is metaphysical. What is a priori in philosophy? a priori knowledge, in Western philosophy since the time of
How much money would it cost to colonize Mars?
Space and AstronomyElon Musk put an estimate to the long-term dream for SpaceX. As it stands, Musk’s dream of a permanent human settlement on Mars could be the single most-expensive construction undertaken — costing $10 trillion, one-eighth the cost of the global economy, according to a tweet from Musk. How expensive would it be to colonize Mars?
Which set or sets does the number 1 belong to?
Space and AstronomyWhat sets of numbers does 1 belong to? The number 1 is the first natural number and each natural number is formed by adding 1 to the previous one. When we subtract or divide two natural numbers the result is not necessarily a natural number, so we say that natural numbers are not closed under