Answer:
see explanation
Step-by-step explanation:
The equation of a circle in standard form is
(x - h)² + (y - k)² = r²
where (h, k) are the coordinates of the centre and r is the radius
(x - 6)² + (y + 1)² = 40 ← is the equation of a circle in standard form
centre = (6, - 1) and r = 
= 2
Using the area of a rectangle, it is found that her patio should have a width of 12 feet and a length of 27 feet.
<h3>What is the area of a rectangle?</h3>
The area of a rectangle of length l and width w is given by:
A = lw.
In this problem:
- She has enough tiles to cover 324 square feet, hence A = 324.
- She wants the length of the patio to be 15 feet longer than the width, hence l = 15 + w.
Thus:
324 = w(15 + w)
w^2 + 15w - 324 = 0
w = -27 or w = 12.
We take the positive value, hence l = 15 + w = 15 + 12 = 27 feet.
The dimensions should be a width of 12 feet and a length of 27 feet.
You can learn more about the area of a rectangle at brainly.com/question/10489198
Answer:
Step-by-step explanation:
Answer:
The answer to you equation is 4
Step-by-step explanation:
Step 1: take the m and replace it 21 the multiply 21 and the numerator to get 21 over 3.
Step 2: divide 21 and 3 to get 7
Step 3: take the n and replace it with 12 then multiply 12 and 1 to get 12/2
Step 4: divide 12 and 2 to get 6
Step 5: then you do 7-1-2 which equals 4
Answer:
14 and 15
Step-by-step explanation:
The square root of 219 is 14.798, this number lies between 14 and 15
hope this helps :))
