Answer:
A) 40 + d
B) 45 days
Step-by-step explanation:
A)
total cost = (cost of the air conditioner itself) + (money charged per day)*(days)
cost of air conditioner itself = $40
money charged per day = $1
days = d
40 + 1*d
= 40 + d
B)
total cost = 40 + d
total cost = $85
85 = 40 + d
45 = d
Time used the air conditioner for 45 days.
The area of the circle is 615.44 feet.
A=
![\pi](https://tex.z-dn.net/?f=%20%5Cpi%20)
r²
A=(3.14)14²
A=(3.14)196
A=615.44
y=7x-1
-1 is the money she loses due to glores.
x = time
y = pay
Answer:
x = 15
Step-by-step explanation:
<JKM is the sum of the two smaller angles.
<JKL + <LKM = <JKM
<JKM = 154
<JKL = 6x
<LKM = 3x + 19
6x + 3x + 19 = 154 Subtract 19 from both sides
9x + 19 - 19 = 154-19 Combine
9x = 135 Divide by 9
9x/9 = 135/9
x = 15