Since there are several values for a and b that would add up to 5, let’s try a couple of variations to see if we always get the same ratio. 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...
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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
x:y=2:3 and y:z=4:5?(2) What is the ratio of x to z if x:y=2:5 and y:z=9:2?相关知识点: 试题来源: 解析 8:15; 9:5 (1) x:y=8:12 and y:z=12:15 x:z=8:15 (2) x:y=18:45 and y:z=45:10 x:z=9:5...
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 sufficient, ...
In the figure above, what is the ratio of y to x? ( ) A. 16 B. 15 C. 14 D. 13 E. 12 相关知识点: 试题来源: 解析 C Since 5x= 360 (KEY FACT 13), x=72 and ∠ AOB=2x=144. Since OA=OB (they are both radii), △ AOB is isosceles:2y+144=180⇒2y=36⇒ y=...
The ratio of a to b is 3:7, and the ratio of b to c is 5:8 .What is the ratio of c to
This number is three times as large as that one. What is the ratio of this number to that one? A. 1:3 B. 3:1 C. 2:3 D. 3:2 相关知识点: 试题来源: 解析 B。本题考查倍数表达在数学问题中的应用。题干中说这个数是那个数的三倍大,所以这个数与那个数的比是 3:1。
The ratio of 3c to 3d is 3 to 4. The ratio of c + 3 to d + 3 is 4 to 5. 选项: A、Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient. B、Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient. C、BOTH statements (1) ...
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