Answer:
This is a circle with radius and center .
Step-by-step explanation:
Recall the following:
We are given .
Multiply both sides by :
Reorder on right and simplify on left:
We can now make some replacements from our "Recall" section:
We can probably leave like this, but sometimes we are required to put in a more identifying form.
This is a circle. I'm going to write in the form .
Subtract on both sides:
We are going to fill those "blanks" in so that we can complete the square for the part.
So our equation is that of a circle with radius and center .
Answer:
21 feet 4 inches
Step-by-step explanation:
Ellie bought two planks of wood that were each 4ft 3in long
Total length of these two planks = 4ft 3in + 4ft 3in = 8 feet 6 inches
she also bought two planks of wood that were each 6 ft 5in long
Total length of these two 6 ft 5in planks = 6 ft 5in + 6 ft 5in = 12 feet10 inches
Thus, total length of all the woods purchased = Total length of 4ft 3in two planks + Total length of the two 6 ft 5in planks
= 8 feet 6 inches + 12 feet 10 inches
adding feet with feet and inches with inches term
= 20 feet 16 inches
we know that 12 inches is equal to 1 feet
thus, 16 inches can be written as 1 feet 4 inches
thus,
20 feet 16 inches will be same as 21 feet 4 inches
The total length of the wood Ellie purchased is 21 feet 4 inches.
Answer:
pretty sure is 1,2, and 6
Step-by-step explanation: the three of them are a right angle and are trapezoids
Answer:
Negative 3 plus:) hope this helps!