Answer:
The answer is 23/93
Step-by-step explanation:
In order to divide two fractions, we can flip the second one and multiply.
5/31 ÷ 15/23
5/31 × 23/15 = 23/93
Answer:
You didn't give the number choices, but I put an explanation below to help you figure out the correct answers.
Step-by-step explanation:
The rule for the number eight is :
If the last three digits are evenly divisble by 8, the number is divisble by 8.
Example:
17216
The last three digits are 216 and it is divisible by 8.
<em>216 ÷ 8 = 27</em>
<em>27 x 9 = 216</em>
Therefore, 17216 is divisible by 8.
9x^3-39x^2-38x+40=(3x-2)(3x+4)(x-5) by synthetic division
Thus roots are -4/3, 2/3, 5
Answer:
b. You would conclude that the differences in the average scores can be traced to differences in the working memory of the two groups.
Step-by-step explanation:
Though the average scores of the two sets could have lead to various conditions, but retentive ability deminishes with respect to an increase in age. With respect to the age of the elderly people involved, it is expected that some of them would not be able to retain information for a long period of time. Thus, their average score is 72%.
The college students' are younger, so it is expected that they should be able to retain more information. That ability is one of the reasons why their average score is 85%.
It can be concluded from the research that the differences in the average scores is probably due to the working memory of the two groups.
