Answer:
Area = pi r squared
Step-by-step explanation:
If you need to, sometimes your teacher will ask you to leave you answers in terms of pi, or keep pi as 3.
Answer:
<em>4 pounds of ingredients are used in each batch.</em>
Step-by-step explanation:
Amount of flour = 
Amount of butter = 8 pounds
Amount of sugar = 
So, the <u>total amount of all ingredients</u> will be: 
Given that, she makes 12 batches of cookies using all the ingredients.
Thus, the amount of ingredients used in each batch 
Answer:

Step-by-step explanation:
Pattern 1 consists of
small squares (here n = 1 and
).
Pattern 2 consists of
small squares (here n = 2 and
).
Pattern 3 consists of
small squares (here n = 3 and
).
Thus, pattern n consists of
small squares.
Answer:
Step-by-step explanation:
L1 -x + 2y = -1
L2 5x - 10y = 6
-x + 2y = - 1 multiply by -1
x - 2y = 1 multiply by 5
5x - 10y = 5 is similar that 5x - 10y = 6
The system has no solution