2 years ago

What integers are between /8 and /27?

Mathematics

1 answer:

nlexa [21]2 years ago

3 0

Answer:

Step-by-step explanation:

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Find the difference: square root of 20 - square root of 80

Mamont248 [21]

Answer:

$-2\sqrt{5}$

Step-by-step explanation:

$\sqrt{20} = \sqrt{10*2} = \sqrt{5 * 2 *2} = \sqrt{2^2 * 5} = 2\sqrt{5} \\\\\sqrt{80} = \sqrt{20*4} = \sqrt{5*4 *4} = \sqrt{4^2 * 5} = 4\sqrt{5} \\\\2\sqrt{5} - 4\sqrt{5} = -2\sqrt{5}$

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1 year ago

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Which of the following shows how the number 7 can be rewritten with the difference of squares identity? (16 - 9) = -1(4 + 3)(4 -

Vika [28.1K]

Answer:

(16-9)

Step-by-step explanation:

that is the answer because 16-9 is 7

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2 years ago

In the expression " 5.3t - (20÷4) + 11" what part is a quotient? Describe its parts.

enyata [817]

Answer:

(20 divided by 4) is the quotient

Step-by-step explanation:

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2 years ago

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In a large city, 46% of adults support the local football team building a new stadium. If a poll is taken from a random sample o

Sveta_85 [38]

Answer: 0.46, 0.056, the distribution is approximately normal

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2 years ago

Find the range of y=3/2cos4x-1

MrRissso [65]

Answer:

Range = [- 2.5, 0.5] = [ - 5/2, 1/2]

Step-by-step explanation:

Smallest value of cos α = - 1,

largest value of cos α = 1.

When cos 4x = - 1, y=3/2cos4x-1 = 3/2*(-1) - 1 = - 5/2 = - 2 1/2 = - 2.5

When cos 4x = 1, y=3/2cos4x-1 = 3/2*1 - 1 = 1/2 = 0.5

Range = [- 2.5, 0.5] = [ - 5/2, 1/2]

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2 years ago