The percent grade of a road, path, or train track is valuable information to have. Because of the loads that trucks and trains carry, and the forces involved in moving them, limits are placed on how steep roads and tracks can be.
Sometimes, in architecture and building, we are given a percent grade representing a slope, and we want to convert it to degrees. We can do this using a handy formula involving the tangent inverse function.Answer and Explanation: A 4% grade in degrees is approximately 2.29°. In general, ...
—GRADE FOUR— TIME LIMIT: 135 MIN PART I DICTATION [15 MIN] Listen to the following passage. Altogether the passage will be read to you four times. During the first reading, which will be done at normal speed, listen and try to understand the meaning. For the second and third readings...
Calculating a Percentage Value: It is hard to think of the value that a large and complex number, such as 162,162,162 is out of another large and complex number, like 200,200,200. We can make this value easier to conceptualize by converting it to a percentage. To do that, we divide...
What is 66 over 100 simplified?Can a triangle have 2 parallel lines?What is the Least common multiple of 12 15 30?What quadrilateral had two different pairs of equal length side?What is nine twenty sevenths in simplest form?What are the outcomes if a die is rolled 100 times?When ...
1、U1Part 1 Long Conversations(每小题:2分)Her first big art project in college.Her final grade in art.Her new college life.Her strong love for art.She has always been successful in art class.She drew wonderful pictures of a cat when young.She is already as mature as other university ...
D. going on diet is a safe way of losing weight Passage 4 Questions 16 to 20 are based on the following passage: I recently wrote an autobiography in which I recalled many old memories. One of them was from my school-days, when our ninth grade teacher, Miss Raber, would pick out wor...
The PSAT score you need to earn a National Merit Scholarship varies by state. Only your 11th-grade PSAT/NMSQT score can qualify you for National Merit scholarships. Your PSAT score is a good indicator of how well you will do on the SAT, so it’s important to understand PSAT scoring and...
C. To do shopping in a supermarket. 7. How far is the supermarket? A. Two blocks away. B. Five blocks away. C. Six blocks away. 8. How will the man go to the place? A. By bus. B. On foot. C. In his car. 听第7段材料,回答第9至11题。 9. What’s the relationship betwe...
C. The woman should take a day off. D. He is quite busy today 听第4段材料,回答第4小题 4. Why does Shelly eat out so often? A. She has much free time. B She likes restaurant food C. She's tired of cooking D. She does it for business. ...