3 years ago

The height of this iron rod is estimated to be 100 centimeters. What is the possible error of measurement?

Mathematics

1 answer:

il63 [147K]3 years ago

7 0

Not sure bout this one look it up on google

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While traveling in Canada, a police officer pulls you over for speeding. The posted speed limit is 100

torisob [31]

Answer:

Speeding at 160.934 km/hr

Step-by-step explanation:

1 mile = 1.609344 kilometers

1.609344 * 100 = 160.934 kilometers

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3 years ago

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Find the exact value by using a half-angle identity.<br><br> tan seven pi divided by eight

murzikaleks [220]

9514 1404 393

Answer:

1 -√2

Step-by-step explanation:

$\tan(x/2)=\dfrac{1-\cos(x)}{\sin(x)}\\\\\tan\left(\dfrac{1}{2}\cdot\dfrac{7\pi}{4}\right)=\dfrac{1-\cos\dfrac{7\pi}{4}}{\sin\dfrac{7\pi}{4}}=\dfrac{1-\dfrac{1}{\sqrt{2}}}{-\dfrac{1}{\sqrt{2}}}=\boxed{1-\sqrt{2}}$

tan(7π/8) = 1 -√2

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3 years ago

Pls help i need help ASappp

Harrizon [31]

A=πr2=π·92≈254.469
your answer is 254.469

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2 years ago

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PLEASE HELP THIS IS A MAJOR GRADE! In the diagram below, triangle DEF is a translation of triangle ABC.

Marizza181 [45]

Answer:

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3 years ago

X squared minus 12 solve

nadezda [96]

<span>X squared minus 12
x^2 - 12 =0
x^2 = 12
x = 3V3 (V = square root)
or
x = 3.464</span>

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3 years ago