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wel
2 years ago
8

Uma abelha rainha dividiu as abelhas de sua comeia nos seguintes grupos para exploração ambiental: um composto de 288 batedoras

e outro de 360 engenheiras. Sendo você a abelha rainha sabendo que cada grupo deve ser dividido em equipes constituídas de um mesmo e maior número de abelhas possível, então você resdistribuiria suas abelhas em?
Mathematics
1 answer:
sergeinik [125]2 years ago
7 0

Groups of four for the group of 288 and groups of five for the group of 360

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Select all the correct answers<br> Which functions are the same as their inverse functions?
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Answer:

f(x)

Step-by-step explanation:

f(x)=x-1/x+5

y=x-1/x+5

xy+5y=x-1

xy-x=-1-5y

x(y-1)=1-5y

x=-1-5y/y-1

x=-5

6 0
3 years ago
In a sample of eight whitefish caught in Yellowknife Bay, the mean arsenic concentration in the liver was 0.32 mg/kg, with a sta
Advocard [28]

Answer:

The 95% confidence interval for the concentration in whitefish found in Yellowknife Bay is (0.2698 mg/kg, 0.3702 mg/kg).

Step-by-step explanation:

We have the standard deviation for the sample, which means that the t-distribution is used to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 8 - 1 = 7

95% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 7 degrees of freedom(y-axis) and a confidence level of 1 - \frac{1 - 0.95}{2} = 0.975. So we have T = 2.3246

The margin of error is:

M = T\frac{s}{\sqrt{n}} = 2.3646\frac{0.06}{\sqrt{8}} = 0.0502

In which s is the standard deviation of the sample and n is the size of the sample.

The lower end of the interval is the sample mean subtracted by M. So it is 0.32 - 0.0502 = 0.2698 mg/kg

The upper end of the interval is the sample mean added to M. So it is 0.32 + 0.0502 = 0.3702 mg/kg

The 95% confidence interval for the concentration in whitefish found in Yellowknife Bay is (0.2698 mg/kg, 0.3702 mg/kg).

8 0
3 years ago
On Friday ,537 people attended a play.for Saturdays matinee there were 812 people.about how many more people attended the play o
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812-537=275; 275 more people attended the play on Saturday than on Friday.
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Im pretty sure its 1.09375

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3 years ago
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