Answer:
Step-by-step explanation:
- <em><u>JUST PUT YOUR ANSWER AS: </u></em>
- P(x)=
 
        
             
        
        
        
The dot product will have you multiply the corresponding coordinates and add up the products
v dot w = (6*(-7)) + (7*5) + (-3*2)
v dot w = -42 + 35 - 6
v dot w = -7 - 6
v dot w = -13
Answer: -13
        
             
        
        
        
Answer:
She needs a grade of 71 on her next text.
Step-by-step explanation:
Mean of a data-set:
The mean of a data-set is the sum of all values in the data-set divided by the number of values.
Tammy has scored 82, 78, and 93 on her previous three tests.
Thus, her grades are 82, 78, 93 and x, in which x is her grade in the fourth test.
There are 4 tests.
What score does she need on her next test so that her average (mean) is 81?
We have to find x when the mean is 81. So




She needs a grade of 71 on her next text.
 
        
             
        
        
        
The formula is 3x+14=32.
answer is 6
        
                    
             
        
        
        
Answer: x2 - 2x + 4 - 12/(x + 2) 
Step-by-step explanation: