3 years ago

What is the total surface area

Mathematics

1 answer:

AlekseyPX3 years ago

7 0

The Total Surface Area Would Be A number

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laiz [17]

Answer:

Distributive Property

Step-by-step explanation:

The distributive property of multiplication over addition can be used when you multiply a number by a sum.

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3 years ago

The state education commission wants to estimate the fraction of tenth grade students that have reading skills at or below the e

gizmo_the_mogwai [7]

Answer:

The large sample n = 1713.96

Step-by-step explanation:

<u>Explanation</u>:-

given the population proportion was estimated to be 0.22

population proportion (P) = 0.22

The 95 % level of significance = 1.96≅ 2

The margin of error = 0.02

The formula of margin error

$\frac{2\sqrt{p(1-p)} }{\sqrt{n} } = 0.02$ … ( i )

Substitute 'p' values in equation (1)

$\frac{2\sqrt{0.22(1-0.22)} }{\sqrt{n} } = 0.02$

cross multiplication and simplification, we get

$2X0.414= 0.02 \sqrt{n}$

$\frac{2X0.414}{0.02} = \sqrt{n}$

$41.4 = \sqrt{n}$

squaring on both sides, we get

the large sample n = 1713.96

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3 years ago

Fifty percent of a number is more than 12 less than twice that number

horsena [70]

Divide it maybe like 50/100?

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3 years ago

What numbers 60, 90, 30, and 45 mean in each ratio statement?

zmey [24]

Answer:

Step-by-step explanation:

30 is half or 60

45 is half of 90

1:2 ratio

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3 years ago

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