Answer:
equation: c = 4.80h + 18.30, cost for four hours: (4, 37.5)
Step-by-step explanation:
the equation is c = 4.80h + 18.30 because 18.30, the initial cost, is the y-intercept and because each hour costs $4.80. the cost for four hours would be (4, 37.5) because it costs $37.5 to skate for four hours.
Answer:
150°
Step-by-step explanation:
1515 of the book was read in 112112 hours.
1 of the book will be read in 112112/1515 hour
1212 of it will then be read in: ( 112112 /1515)* 1212
= ( 112112 /1515)* 1212 use calculator
= 89689.6 hours.
Hope this clarifies it.
14=-2(2x+1)
14=-4x-2
+2. +2
16=-4x
--- ---
16. 16
-4=x
Answer: xz=60
Step-by-step explanation:
2(x+4) = 3x-3
2x+8 = 3x-3
8+3 = 3x-2x
11 = x
xz = 2(2(x+4))
xz = 4(11+4)
xz = 60
