3 years ago

Express 49 1/2 in simplest radical form.

Mathematics

2 answers:

LUCKY_DIMON [66]3 years ago

8 0

The expression simplified is 7

musickatia [10]3 years ago

4 0

Answer:

$\sqrt{49}$ =7

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Step-by-step explanation:

<u><em>The question in English is</em></u>

Points A, B and C are collinear in this order. Find the length of the segment: a) AB, if AC = 20 cm, BC = 0.12 dm

we have that

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substitute the given values in centimeters

Remember that

$1\ dm=10\ cm$

$0.12\ dm=0.12(10)=1.2\ cm$

$20=AB+1.2$

solve for AB

$AB=20-1.2\\AB=18.8\ cm$

Convert to dm

$18.8\ cm=18.8/10=1.88\ dm$

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