Answer:
9.42 or 3pi
Step-by-step explanation:
equation of a circle is 2*pi*r
2r is d which is 3 so the answer would be 3pi which equals about 9.42
Answer:
f(x)=4^x exponential growth, -6^x exponential decay Step-by-step explanation:
Answer:
x = 26 , y = 33
Step-by-step explanation:
3x + 2y = 144 (1)
2x + 5y = 217 (2)
3x + 2y = 144
(divide the equation by 3)
x + (2/3)y = 48
x = 48 - (2/3)y
Plug into (2)
2[48 - (2/3)y] + 5y = 217
96 - (4/3)y + 5y = 217
11y/3 = 217 - 96
11y/3 = 121
y = 121×3/11
y = 33
x = 48 - (2/3)y
x = 48 - (2/3)(33)
x = 48 - 22
x = 26
Answer:

Jamie can buy lunch for 5 person.
Step-by-step explanation:
Given:
Jamie has $40.
Lunch cost per person = $7
Solution:
Jamie wants to treat some friends to lunch.He has $40 and knows that lunch will cost about $7 per person, p.
So, an inequality to represent this situation is written as:




Hence, the answer is 5
Therefore, Jamie can buy lunch for 5 persons.