how would you explain this rule to a classmate who does not understand why the product of two negative numbers must be positiveLet k repesent some unknow number between -4 and -5. locate between two consecutive integers each of the following. 答案 今年 学院共有1016名学生,期中63人住在邓巴...
To prove that the product of two negative numbers are always a positive number accept that the following are always true for any number, variable or... See full answer below.Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question ...
2(b-2)b=160 (b-2)b=80 分解因式 b^2-2b-80=0 (b-10)(b+8)=0 所以 b=-8 or b=10...
单项选择题 The product of two negative numbers is 160. If the lesser of the two numbers is 4 less than twice the greater, what is the greater number A.-20B.-16C.-10D.-8E.-4 点击查看答案&解析 延伸阅读你可能感兴趣的试题 1.单项选择题 If n=20!+17, then n is divisible by which...
解析 C #s could be 12 &14,or −12 & −14, or any two #s with same sign. 如果两个数字的乘积是正数,那么这两个数字的和不可能是( ). A.正数 B.负数 C.0 D.分数 两个数字的乘积是正数,那么这两个数字可能都是正数,也可能都是负数,所以他们的和不可能是0,答案为C. 故选C....
(ii)The product of a positive rational number and a negative rational number is always ... (iii)The product of two negative rational numbers is always... (iv)The reciprocal of a positive rational number is ... (v)The reciprocal of a negative rational number is... (vi)Zero has .. ...
Given sum of two numbers is 44. Let the two numbers be {eq}a, b.\\ {/eq} So, {eq}a + b =44\\ \implies b = 44-a\\ {/eq} Product of two numbers... See full answer below. Learn more about this topic: Finding Minima & Maxima: Problems & Expl...
Three rational numbers are a, b, c. Their product is a negative number. Their sum is a positive number. When x=|a|a+|b|b+|c|c. The value of the algebraic x17−17x+8 is . 三个有理数a,b,c,其积是负数,其和为正数.当x=|a|a+|b|b+|c|c,则代数式x17−17x+8的值是 ....
The difference of x and y is positive if and only if x is greater than y . 注意:less 和 lesser (not so great or important as the other or the rest) 不同;If there are two numbers x<y , the lesser one is x and the greater one is y ; we say x is less than y or y is ...
The product of two positive numbers is 100. What numbers will produce the least possible sum? Confirm that the sum is in fact a minimum. Number system: There are various types of number systems in maths like binary, decimals, etc. It provides a unique represe...