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alexisolsennn4680
12.12.2020 •
Mathematics
The scores on a test given to all juniors in a school district are normally distributed with a mean of 77 and a standard deviation of 8.
Find the percent of juniors whose score is between 61 and 77.
The percent of juniors whose score is between 61 and the mean is
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Ответ:
I ate my dog yesterday and I couldn't find him so I had to buried him, so do you think you could help me find him
Step-by-step explanation:
Ответ:
i need the same answer please someone give
Step-by-step explanation:
Ответ:
k = 1
P(t) = (t + 20)²
Step-by-step explanation:
P' = k√P = k P⁰•⁵
To solve for k,
P' = 10 rabbits/month
P = 100 rabbits
10 = k √100
10 = 10k
k = 1
To solve for P(t)
P' = dP/dt
(dP/dt) = kP⁰•⁵
dP/P⁰•⁵ = k dt
P⁻⁰•⁵ dP = k dt
∫ P⁻⁰•⁵ dP = ∫ k dt
2P⁰•⁵ = kt + c
At t = 0, P = 100
2(100)⁰•⁵ = 0 + c
2 × 10 = c
c = 20
2P⁰•⁵ = kt + c
2P⁰•⁵ = kt + 20
Recall, k = 1
2P⁰•⁵ = t + 20
P⁰•⁵ = (t + 20)
P(t) = (t + 20)²