T=21+4.5X
21 is the original temp.
4.5 is the constant rate I got when I subtracted 75-21=54 then divided 54/12min=4.5.
75 =21 + 4.5(12)
Answer:
b. 75
Step-by-step explanation:
a(n) = a1 + d(n-1)
a(n) = 8.5 + 3.5(n - 1)
a(20) = 8.5 + 3.5(20 - 1)
a(20) = 8.5 + 3.5(19)
a(20) = 8.5 + 66.5
a(20) = 75
Answer:
$400
Step-by-step explanation:
140 ÷ 35% = 400
Answer:
4
Step-by-step explanation:
because The square root of 16 is 4, which is a rational number.
21.12 is 25.6% of 82.5. I hope this helps. :)
