4 years ago

Write your question here (keep it simple and clear to get the best answer)

Mathematics

2 answers:

Sedaia [141]4 years ago

7 0

Cnbc. c xnzjk he shut

Anton [14]4 years ago

4 0

How am I supposed to explain that

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Helllllppppppppppppppp thank you

Alisiya [41]

√4=2, and √45=√(9*5)=√9 *√5=3√5
so you have 2/(3√5)
Multiply both top and bottom by √5 to eliminate the √ in the denominator:
(2√5)/15 is the final answer.

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3 years ago

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BCDF is a square in which BD = 12 cm. Find the perimeter of BCDF

Schach [20]

P=4*l
l=12cm
P=4*12cm=48cm

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3 years ago

You want to rent an unfurnished one-bedroom apartment in Boston next year. The mean monthly rent for a simple random sample of 3

Tpy6a [65]

Answer: 99% confidence interval would be $(1346.37,1553.63)$

Step-by-step explanation:

Since we have given that

Sample size = 30

Sample mean = $1450

Standard deviation = $220

We need to find the 99% confidence interval.

So, z = 2.58

So, confidence interval would be

$\bar{x}\pm z\dfrac{\sigma}{\sqrt{n}}\\\\=1450\pm 2.58\times \dfrac{220}{\sqrt{30}}\\\\=1450\pm 103.63\\\\=(1450-103.63,1450+103.63)\\\\=(1346.37,1553.63)$

Hence, 99% confidence interval would be $(1346.37,1553.63)$

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4 years ago

Solve 12x + 6 2 9x + 12. A. X2 B. xs2 O C. X26 0 D. Xs6 SUBNANT

Alexxx [7]

Answer:

269

Step-by-step explanation:

Solve 12x + 6 2 9x + 12.

A. X2

B. xs2

C. X26

D. Xs6

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3 years ago

Which of the following pairs of organisms compete with each other for food?

erastovalidia [21]

The answer would be D. Mice and Rabbits. Hope it helps! :)

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4 years ago

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