Answer:
Serena and Aaron.
Step-by-step explanation:
Answer:
x ≥ 56
Step-by-step explanation:
The whole problem will have to equal at least 120. If Xander has already collected 64, then he has a certain number of cans, x, remaining to collect. Since the problem is saying he needs "at least 120" then x and 64 must have a sum of at least 120. Thus you set up the problem like:
x + 64 ≥ 120
You can solve this simply by subtracting 64 from both sides.
x + (64-64) ≥ (120-64)
That would leave us with the answer:
x ≥ 54
Hope this helps!
Answer:
penis
Step-by-step explanation:
penis
Answer:Hint:
the remainder is 2.
Step-by-step explanation:
23≡1 mod 7 and 33≡−1 mod 7.
Edit: The only thing you need from the modular arithmetic is that
a⋅b mod 7=(a mod 7)(b mod 7) mod 7,
meaning the remainder of a product is the remainder of the product of remainders. This is self-evident as a⋅b must have the same remainder as (a−7k)⋅(b−7l).
Since exponentiation is just repeated multiplication, we can write
230⋅320=(23)10⋅(33)6⋅32≡110⋅(−1)6⋅9=9
Replace y with 200 ( amount of water in the tank) and solve for x:
200 = 450 -20x
Subtract 450 from both sides:
-250 = -20x
Divide both sides by-20:
X = 12.5
The answer is A. 12.5 minutes
