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makkiz [27]
3 years ago
7

Which number is irrational?a.) √25b.) √32c.) √49d.) √64

Mathematics
2 answers:
vodomira [7]3 years ago
7 0

\sqrt{25}  = 5 \\  \sqrt{49}  = 7 \\  \sqrt{64}  = 8
The square root of 32 returns a number which does not end in the decimal. This is the true definition of an irrational number.
marta [7]3 years ago
3 0
I think (B)
~IndexFinger :)
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Andreas93 [3]

Answer:

Option  (c) is correct.

The distance covered by the man in 1 hour is represented by te expression  \frac{10}{x} miles.

Step-by-step explanation:

Given: A man walks 10 miles in x hours.

We have to choose a correct  expression that represents the distance covered by the man in 1 hour.

Consider the given statement."A man walks 10 miles in x hours."

Using UNITARY METHOD,

(is a method in which we first find the value of a single unit and then multiply it with desired quantity)

Distance covered by man in x hours = 10 miles,

So distance covered by man in 1 hour = \frac{10}{x} miles.

So, The distance covered by the man in 1 hour is represented by te expression  \frac{10}{x} miles.

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4 years ago
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Talja [164]
20.1 is the abswetmr I think
8 0
3 years ago
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Vinil7 [7]
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3 0
3 years ago
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Sholpan [36]

Answer:

\sin Y= \frac{XZ}{XY}

\cos Y= \frac{YZ}{XY}

\tan Y= \frac{XZ}{YZ}

Step-by-step explanation:

Given

See attachment for triangle

Required

Find \sin, \cos and \tan of angle Y

For angle Y:

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The \sin of an angle is calculated as:

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7 0
2 years ago
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Help!
Anastaziya [24]
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