Answer:
4n + 4
Step-by-step explanation:
Azhar - n years old now.
Last year he was (n-1).
His mother was 4(n -1) last year.
Now his mother 4(n-1) + 1.
7 years later she will be 4(n - 1) + 1 + 7 = 4n - 4 + 8 = 4n + 4
Answer:
A
Step-by-step explanation:
Tiffany should have multiplied by 0.5 in step 1, not divided.
The circumference of a circle is pi times D. So, 94.2/pi = 29.98 or about 30 in
<h2>Equations of Circles</h2>
Generally, you'd see the equation of a circle organized in the following format:
- is the center
- is the radius
To determine the equation given the center and the radius:
- Plug both pieces of information into the general equation
- Simplify
<h2>Solving the Question</h2>
We're given:
- Radius: 99
- Center: (-1,-8)
Plug the radius and center into the equation as r and (h,k):
<h2>Answer</h2>