Answer:
its B
Step-by-step explanation: Cause I have big brain. >:)
Answer: 2 1/10
Step-by-step explanation:
21 : 10
Step 1: to write as a fraction= 21/10
2 1/10
So we are given the equation
y = 79.31(1.48)ˣ
Whereas the x represents the number of days <--- what you need to know
y is the final number you are going to get, does not matter for now
You are trying to find the number of bacteria on Day 8
Put 8 into x
PEMDAS
Parentheses
Exponents
Multiplication/Division
Addition/Subtraction
1.48⁸ = 23.019
79.31 * 23.019 = 1825.667
Your answer would be A.
The answer is (-1/2, -3x)
If the waitress works x hours in the evening, according to the problem, she works x-1.75 hours in the afternoon. We have given that she works 5.125 hours in the afternoon, which is x-1.75=5.125. BY solving this equation, we find unknown x, which is equal to 6.87 hours and it is the answer to the problem.