If a is 3 and b is 2, the ratio of 2a to b would be 6:2 or 3:1. But if we used a=2 and b=3 instead (and nothing tells us that we can’t), the answer to the question stem becomes 4:3. When we can get different answers, we can tell the statement is not suf...
和《中华人民共和国中医药法》对医疗机构中药制剂进行了一系列规定。某医院有以下制剂配制行为：①现代工艺自配中药制剂未经批准；②现代工艺自配中药制剂不按批准的标准配制；③委托配制中药制剂经备案；④仅应用传统工艺配制中药制剂未按照备案材料载明的要求配制中药制剂。由上述信息，按劣药论处的是（ ）
百度试题 结果1 题目【题目】In the figure above, what is the ratio of , to?(A.B.C.E.1/6 1/4 1/5 1/2 1/3 相关知识点: 试题来源: 解析 【解析】C 反馈 收藏
正确答案:AA 解析:Statement (1) says that a/b=2. We are looking for the ratio 2a/b. If you substitute 2 for a/b in that ratio, you get 2 times 2, which equals 4. Statement (1) is sufficient. Cross off B, C, and E. How about statement (2)? Remember, you have to forget ...
8. What is the ratio of land to the ocean on the Earth?A.1:1B.1:2C.7:3D.3:7 相关知识点: 试题来源: 解析 D 解方程 8x-3(14-x)=5x,首先展开括号得到 8x-42 3x=5x。然后移项合并同类项,得到 6x=42。最后解得 x=7。因此,方程的解为 x=7。
What is the ratio of 3/7 to the product 3(7/3) ?() A. 3:7 B. 1:3 C. 3:21 D. 1:7 E. 3:49 如何将EXCEL生成题库手机刷题 如何制作自己的在线小题库 > 手机使用 分享 反馈 收藏 举报 参考答案: E 复制 纠错 举一反三 二次搬运属于总价措施项目费用( ) A. 正确 B...
In mathematics, a ratio is a mathematical expression that compares two quantities and it tells us how much of one quantity is contained in another quantity. For example, if there are 3 girls and 5 boys in a class, then the ratio of girls to boys in this class is stated as g:b=3:5...
(1) a/b=2 (2) a+b=5查看答案更多“What is the ratio of 2a to b? (1) a/b=2 (2) a+b=5”相关的问题 第1题 What is the current ratio for Year 2018? A.2.21 B.1.03 C.3.26 D.3 点击查看答案 第2题 What is the Times Interest Earned Ratio for Year 2018? A.4.9 B.8.5 ...
What is the Ratio Test(二) What is the Ratio Test正~~梁宇学首都师范大学附属中学中学生数学
百度试题 结果1 题目 19.What is the ratio of the number of apples to the total number of fruits?Express your answer in the simplest form.3:8Answer: 相关知识点: 试题来源: 解析 3:8 反馈 收藏