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3 years ago

Please help me on this question

Mathematics

1 answer:

Ierofanga [76]3 years ago

6 0

Answer:

please mark my answer brainliest

Step-by-step explanation:

11 students
26 students
that 2 small divisions =1 unit =1 student

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Multiple choice question

galina1969 [7]

The answer is B. slope 0 intercept -5

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3 years ago

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In order to estimate the average electric usage per month, a sample of 81 houses was selected and the electric usage was determi

lana [24]

Answer:

Confidence interval: (1760,1956)

Step-by-step explanation:

We are given the following information in the question:

Sample size, n = 81

Sample mean =

$\bar{x} = 1858 \text{ kWh}$

Population standard deviation =

$\sigma = 450 \text{ kilowatt-hours}$

Confidence Level = 95%

Significance level = 5% = 0.05

Confidence interval:

$\bar{x} \pm z_{critical}\displaystyle\frac{\sigma}{\sqrt{n}}$

Putting the values, we get,

$z_{critical}\text{ at}~\alpha_{0.05} = \pm 1.96$

$1858 \pm 1.96(\displaystyle\frac{450}{\sqrt{81}} ) = 1858 \pm 98 = (1760,1956)$

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3 years ago

Simplify: (4xy)^0 please help

katrin2010 [14]

I believe that would be 1

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2 years ago

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Susan can pick 4 pounds of coffee beans in an hour or gather 2 pounds of nuts. Tom can pick 2 pounds of coffee beans in an hour

natima [27]

Answer:

144

Step-by-step explanation:

Susan can pick 4 pounds of coffee beans in an hour. Tom can pick 2 pounds of coffee beans in an hour. Together, they can pick 6 pounds of coffee an hour.

4 + 2 = 6

There are 24 hours in a day. Multiply the time by the amount that can be picked to find the answer.

24 × 6 = 144

Together, the maximum number of pounds of coffee beans the can pick in a day is 144 pounds.

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3 years ago

HELP DUE IN 10 MINS! Attached is the Question.

Nikitich [7]

Answer:

∠N ≅ ∠J - given
LN ≅ LJ - given
∠L ≅ ∠L - reflexive property

Postulate: ASA

Congruency Statement: ΔJML ≅ ΔNKL

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3 years ago