Answer:
D
Step-by-step explanation:
Using cosine formula, we have 
 
        
             
        
        
        
Answer:
A parallelogram is a quadrilateral with both pairs of opposite sides parallel. And this picture you just showed me right now thats why those are all parallelograms.
Step-by-step explanation:
Please give me brainliest
 
        
             
        
        
        
Answer:
Step-by-step explanation:
1 hour=60 min
7 hours=60×7=420 min
number of blink=420×13=5460
 
        
             
        
        
        
Answer:
The answer is option C.
<h3>-6, -5 2/5, -4 1/5</h3>
Step-by-step explanation:
The arithmetic sequence is given by

where n is the number of terms
<u>For</u><u> </u><u>the</u><u> first</u><u> </u><u>term</u>
n = 1
So we have



<u>For</u><u> </u><u>the</u><u> </u><u>fou</u><u>rth</u><u> term</u>
n = 4



<u>For</u><u> </u><u>the</u><u> </u><u>tenth</u><u> </u><u>term</u>
n = 10



Hope this helps you
 
        
             
        
        
        
-2(5y - 5) - 3y < = -7y + 22
-10y + 10 - 3y < = -7y + 22
-13y + 10 < = -7y + 22
-13y + 7y < = 22 - 10
-6y < = 12
y > = -12/6
y > = -2....answer B