Answer:
4.5
Step-by-step explanation:
1±4±2±8±4±8=27
27÷6=4.5
255-45-10=200
1 week
200/10=20
20 weeks plus one week equals 21 weeks
Thank you have a day!
Answer:
The equation would be x = 3y + 8 where x is the larger number and y is the smaller one :)
Answer: grade 7
Step-by-step explanation:
Grade 7: 20/22 students in club
Grade 8: 20/28 students in club
Grade 7 has higher % of students in science club
Answer:
1. The equation represent an exponential decay
2. The rate of the exponential decay is -3×2.5ˣ·㏑(2.5)
Step-by-step explanation:
When a function a(t) = a₀(1 + r)ˣ has exponential growth, the logarithm of x grows with time such that;
log a(t) = log(a₀) + x·log(1 + r)
Hence in the equation -3 ≡ a₀, (1 + r) ≡ 2.5 and y ≡ a(t). Plugging in the values in the above equation for the condition of an exponential growth, we have;
log y = log(-3) + x·log(2.5)
Therefore, since log(-3) is complex, the equation does not represent an exponential growth hence the equation represents an exponential decay.
The rate of the exponential decay is given by the following equation;

Hence the rate of exponential decay is -3×2.5ˣ × ㏑(2.5)