Answer:
they are already correct first true second true third false and 4th true
Step-by-step explanation:
np brainliest?
Answer: it is a direct variation.
Justification:
In a direct variation the variables are related by a proportionality constant in this way:
y = k x
Tthan means that the value of y is always the product of a constant times the value of x.
The situation discribed for the coal may be written as:
number of tons of coal burned: c
number of hours: h
⇒ c = k × h
Which is that you can calcualte the number of tons of coal burned at any time, once you know the proportionality constant k.
It will take about 22 minutes because 20 hours divided by 15 rooms equals 1 hour and 33 minutes for one room divided by the six painters equals 22 minutes
Answer:
2
Step-by-step explanation:
Using the rule of logarithms
• 
x = n ⇔ x = 
let 
64 = n, then
64 = 
note that 64 = 8², thus
8² = ⇒ n = 2
I’m not sure but there’s another app called socratic that can help you
