Question

只帮忙翻译题 不用做

1. What number can you add to the numerator and denominator of 9/13 to get 3/4.

2. A certain rectangle is 2 times as long as it is wide. Suppose the length is tripled and the width is doubled. The area of the second rectangle is how many times as large as the area of the first?

3. For what value of Z would the following system of equations have an infinite number of solutions?

4. What is the smallest possible value for the product of 2 real numbers that differ by 8?

Answer 1

1.使9/13变成3/4需增加多少?
2.一个矩形，长是宽的两倍，假设长增加到3倍，宽增加到2倍，那么它的面积是原来的几倍？
3.如果下列方程有无限的解，那么Z的值是多少？
4.两个相差为8的实数的乘积最小是多少？

追问

第一题选项有 A -3; B -(4/5); C 3/2; D 3; E 6
第四题选项有 F 8; G 6; H -2; J -4; K -16
可见翻译不对

追答

第四个没错 K -16
第一个是应该译为： 给分母和分子增加数字几，使9/13变成3/4 答案是D 3

Answer 2

不知道

Answer 3

1.在9/13的分子和分母上加上那个数字能够得到3/4?
2.一个长方形的长是宽的两倍。如果把它的长度增加两倍，宽增加一倍，那么增加后的长方形是之前长方形的多少倍？
3.Z是什么值的时候下面的方程组有无限组答案？
4.使这两个实数结果相差8的最小的可能值是什么？

追问

第四题选项有 F 8; G 6; H -2; J -4; K -16
翻译不对