Exams & Certification

The Correct Answer and Explanation is: Based on the handwritten notes in the image, here is the transcription of the mathematical problems and their solutions. Problem 1lim (x→∞) [√(x² + x + 1) – √(x² – x + 1)]= 1 Cara Cepat (Quick Method) for Problem 1Given the form lim (x→∞) [√(ax² + bx + c) […]

The Correct Answer and Explanation is: The correct answer is 10. To find the distance between two points, A(13, 2) and B(7, 10), in a two-dimensional plane, we use the distance formula. This formula is derived from the Pythagorean theorem and is expressed as: d = √[(x₂ – x₁)² + (y₂ – y₁)²] Here, (x₁, y₁)

The Correct Answer and Explanation is: Correct Answer: Rectangle Explanation: The geometric figure shown on the coordinate plane is a rectangle. This conclusion is reached by methodically analyzing the properties of the figure using its vertex coordinates. First, we identify the coordinates of the four vertices from the graph. The vertices are located at the points

The Correct Answer and Explanation is: Based on the context of the sentence, the correct words are matter and mixtures. The completed sentence should read:“Most of the matter people encounter in everyday life consists of mixtures of different substances.” Explanation This sentence describes a fundamental concept in chemistry and physical science. The choice of the words “matter” and “mixtures” is based on

The Correct Answer and Explanation is: The correct answer is 156.25 miles per hour. Explanation: This problem requires the conversion of a speed from one unit of measurement, kilometers per hour (km/h), to another, miles per hour (mph). The process relies on using a conversion factor to change the units without altering the actual value of

The Correct Answer and Explanation is: The correct answer is (C) 49 degrees north, 2 degrees east. In geography, it is crucial to distinguish between absolute and relative location. Absolute location refers to a precise, fixed point on the Earth’s surface. This exact position is universally identified using a specific coordinate system, most commonly latitude

The Correct Answer and Explanation is: The correct answer is income period. An annuity is a financial contract with an insurance company where an individual pays a lump sum, known as the principal, in exchange for a series of regular payments over time. For a fixed immediate annuity, these payments begin shortly after the principal is

The Correct Answer and Explanation is: Expand to view model thoughtschevron_right The correct answer is b) False. The statement that there are nine to fifteen space zones surrounding a vehicle is false. This number is inconsistent with the standard models taught in most defensive driving and driver education curricula. The most widely recognized and utilized framework

The Correct Answer and Explanation is: To write the decimal 0.44 as a percentage, you multiply the decimal by 100 and add a percent sign (%). The correct answer is 44%. Here is a detailed explanation of the conversion process. The term “percent” originates from the Latin phrase “per centum,” which means “per hundred.” Therefore,

The Correct Answer and Explanation is: The correct answer is 0.097. The margin of error is a statistic that expresses the amount of random sampling error in a survey’s results. It quantifies the uncertainty of using a sample proportion to estimate the proportion for the entire population. To calculate the margin of error for a proportion,