3 years ago

Is (the fraction in the photo) rational or irrational?

Mathematics

1 answer:

love history [14]3 years ago

3 0

Answer:

Irrational

Step-by-step explanation:

The square root of 2 is an irrational number as it is: ≈ 1.41. When you divide the square root of 2 by 3, it's still irrational: 0.47140452...

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Write and algebraic expression for nine times of the square of a number

salantis [7]

Answer:

9• x2

Step-by-step explanation:

Well you have 9 and then you times(•) then X is the number we don’t know. Then x would be squared(like the image below).

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4 years ago

A 30 ft building casts a shadow that is 75 ft. long. A nearby tree casts a shadow that is 35 ft. long. How tall is the tree?

Whitepunk [10]

Answer:

The tree is 14 ft. tall.

Step-by-step explanation:

Height of the building/ Height of the tree = Shadow of building/ Shadow of tree

30/x = 75/35 Cross multiply

75x = (30)(35)

75x = 1050

x = 1050/75

x = 14

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2 years ago

-2x+3-4x^2+11-15x+2x^2-15=?

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Answer:

$-2x^{2} -17x-1$

Step-by-step explanation:

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3 years ago

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What is the answer to 0.08 is 10 times as great as?

DiKsa [7]

0.08 is 10 times greater than 0.008, becase 0.008 · 10 = 0.08

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3 years ago

Find: (6m^5 + 3 - m^3 - 4m) - (-m^5 + 2m^3 - 4m + 6)

vitfil [10]

Answer:

7m^5 - 3m^3 - 3

Step-by-step explanation:

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3 years ago