on April 24, 2022
What are shapes with curved sides called?
Space and AstronomyTwo-dimensional curved shapes include circles, ellipses, parabolas, and hyperbolas, as well as arcs, sectors and segments. Three-dimensional curved shapes, including spheres, cylinders and cones, are covered on our page on Three-Dimensional Shapes. Can a polygon have curved side? Polygons cannot contain any curved sides, or holes. For example, a square is a polygon but a
on April 24, 2022
What does I in math stand for?
Space and AstronomyThe letter i is used to signify that a number is an imaginary number. It stand for the square root of negative one. In electrical engineering it is often replaced by the letter j to avoid conflict with the symbol for current. See Imaginary numbers. What is the value of i? The value of i
on April 24, 2022
Where is the asteroid belt in our solar system?
Space and AstronomyThere are lots of asteroids in our solar system. Most of them are located in the main asteroid belt – a region between the orbits of Mars and Jupiter. Where does the asteroid belt sit in the solar system? The asteroid belt is a torus-shaped region in the Solar System, located roughly between the orbits
on April 24, 2022
Where can you stargaze in the Bay Area?
Space and AstronomyWhere to go stargazing: Pigeon Point Lighthouse Station State Historic Park. The coast is the darkest area of the Peninsula, making the area around the historic Pigeon Point Lighthouse a great place to stargaze. … Windy Hill’s Spring Ridge Parking Area. … Monte Bello Open Space Preserve. … The Foot of the Dumbarton Bridge. Where
on April 24, 2022
How do you find the area of a Riemann sum?
Space and AstronomyHow do you find the area of a left Riemann sum? Video quote: The curve. So this first rectangle the width goes here from 1 to 2 so the left edge of that interval is 1 if we come up from that point until we meet the curve. We end up right here. How do
on April 24, 2022
What is positive concavity?
Space and AstronomyConcavity relates to the rate of change of a function’s derivative. A function f is concave up (or upwards) where the derivative f′ is increasing. This is equivalent to the derivative of f′ , which is f′′f, start superscript, prime, prime, end superscript, being positive. How do you know if concavity is positive? This point
on April 24, 2022
What is so unusual about Pluto’s moon?
Space and AstronomyPluto’s largest and most famous moon, Charon, is weird: Instead of acting like a typical planet-and-moon pair, the two face each other and spin together around a fixed point. Some have argued that Charon and Pluto are more of a binary system than a moon and a planet. What is unique about Pluto’s moon? Overview.
on April 24, 2022
What is a secant angle?
Space and AstronomyThe secant angle equals half the sum of the angular measure of the two arcs (for A inside the circle) or half their difference (for A outside the circle). In the case where one of the secants is tangent to the circle, A still lies outside the circle and the angle intercepts two arcs. How
on April 24, 2022
What is a tape diagram in 3rd grade math?
Space and AstronomyTape. diagrams are also called “bar models” and consist of a simple bar drawing that students. make and adjust to fit a word problem. They then use the drawing to discuss and solve. the problem. How do you do a tape diagram for 3rd grade? Video quote: The weird thing about drawing a multiplication and
on April 24, 2022
What do I get my 2 year old for Christmas?
Space and AstronomySome great ideas include books, doctor’s kits, household play items, construction toys, toy lawnmowers, and other toys that encourage them to use their imagination and mimic the activities they see happening around them. Books are always a good idea too. What do you give a 2 year old? Here are 40 of the best gifts