Answer:
Yes
Step-by-step explanation:
Example::
10*10 = 100 is a positive number
-10*-10 =100 is a positive number since -*- is +
False as this function is not possible
Answer:
The correlation between sales and advertising is positive.
Step-by-step explanation:
For every $35 spent on advertising, sales increase by $1
Is FALSE, since y = 500 + 35 x $35, sales increase more than $1
Even if no money is spent on advertising, the company realizes $35 of sales
Is FALSE, if no money is spent, the sales amount to $ 500 (when X = 0)
The coefficient of correlation between sales and advertising is 0.81
Is FALSE, since R² = 0.9. The coefficient of correlation = R = 0.94, not 0.81
Answer:
7/5 pound
Step-by-step explanation:
if each jar weigths 1/5 pound and you have 7 jars in total, you need to multiply: 1/5*7 = 1/5 * 7/1 = 7/5
Answer:
220
Step-by-step explanation:
To find these types of answers use a calculator my friend. 'Tis so easy, just do
*88/.4 = 220
*must divide to multiply and 44% = .44 =)