Answer:
Domain: x is all real numbers
Range: y is less than or equal to 5
Answer:
2400 and 3600
Step-by-step explanation:
Radio 1 cost = x
Radio 2 cost= 6000- x
- x*1.2+(6000-x)*0.9= 6000*1.02
- 1.2x-0.9x+5400=6120
- 0.3x= 6120-5400
- 0.3x= 720
- x=720/0.3
- x= 2400
- 6000- x= 3600
Answer:
1. 53 by 58 , 222 ft
2. 321000
3.1080
4. 3.5
Step-by-step explanation:
1. 23+15+15 = 53
28+15+15= 58
53+53+58+58= 222
Answer:
x^2-10x+25
Step-by-step explanation:
(a+b)^2=a^2+2ab+b^2 so a=x and b=-5 so the expression is x^2-10x+25