Test - Samenvattingen, Aantekeningen en Examens

Khan academy Test UPDATED ACTUAL Questions and CORRECT Answers In an experiment, acid was added to two solutions: Solution 1: distilled water only Solution 2: distilled water containing sodium bicarbonate Then, the pH of each solution was taken. Solution 1 had a final pH of 4.5, while Solution 2 had a final pH of 6.8. Which of the following statements explains the difference between the two solutions? (Choice A,

Khan Academy Grammar Latest Update 100% Correct Noun Person/Place/Thing/Idea/ Feelings Singular Nouns One Thing (Car) Plural Nouns More Than One Thing (Cars) Common Nouns general names (girl/building/car) Proper Nouns Specific Names (Kim/Michelle) Concrete Nouns Physical Item (ball/building/car) Abstract Nouns Non-Physical Item linking Verbs Do not show action & connect the subject to more information about the subject. (Am/Is/Are/Was/Were/Be/Being/Been) (Ben is kind...

Khan Academy Questions and Answers Graded A+ Passage 1 Which choice best summarizes the passage? A character faces a difficult situation and describes the experience of confronting it. In the first paragraph, the words "Heaven," "Firmament", and "Stars" serve mainly to? emphasize the height of the skysail It can reasonably be inferred that the narrator decides to loosen the skysail because? the other sailors on the ship agreed that he should Which choice provides the ...

A digital artist is creating an animation with code. Their code needs to convert polar coordinates to cartesian coordinates, using these formulas: x = r × cos( θ )y = r × sin( θ )x=r×cos(θ)y=r×sin(θ) The environment provides these built-in procedures: NameDescriptionsin(angle)Returns the sine of the given (angle)Returns the cosine of the given angle. In their code, theta represents the current angle and r represents the current radius. Which of these code snippets properly imple...