8x+9y equals 10 is a variation in fact
The theoretical probability of an event is the likelihood that the event will occur. It is calculated by finding the ratio of the number of favorable outcomes to the number of total outcomes. In probability, the total outcomes are the total number of possible outcomes for the probability experiment. (Paraphrase this answer so you don’t get caught for plagiarism)
Hello!
2(x + 9) = 4(x + 7) + 2
Distribute the 2
2x + 18 = 4(x + 7) + 2
Distribute the 4
2x + 18 = 4x + 28 + 2
Combine like terms
2x + 18 = 4x + 30
Subtract 18 from both sides
2x = 4x + 12
Subtract 4x from both sides
-2x = 12
Divide both sides by -2
x = -6
Where she did something different than me is her mistake
Hope this helps!
Answer:
84
Step-by-step explanation:
f(1)=4^1 - 1 = 3
f(4) = 4^4 - 1 = 255
rate of change =
(255 - 3) / (4 - 1) = 252 / 3 = 84
Answer:
450 km (rider a)
360 km (rider b)
Step by-step explanation:
(if they are going at a constant speed you can choose any point)
find how fast rider a is going:
60/2 = 30 km/h
find how fast rider b is going:
72/3 = 24 km/h
30 km/h for 15 hours = 30 x 15 = 450 km (rider a)
24 km/h for 15 hours = 24 x 15 = 360 km (rider b)