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3 years ago

Use rounding or compatible numbers to estimate the sum of 222 + 203

Mathematics

2 answers:

frozen [14]3 years ago

7 0

Rounding because you round each number then do it mentally in your head it will be easier

LuckyWell [14K]3 years ago

4 0

420 is your possible rounded answer, the real answer to the problem is 225, but you said it needs to be rounded

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10. Use the properties of exponents to simplify the expression:

aivan3 [116]

<h3>Answer :</h3>

$\bigstar\:\boxed{\bf{\purple{x^{\frac{m}{n}}}=\orange{(\sqrt[n]{x})^m}}}$

Let's solve !

$:\implies\sf\:25^{\frac{3}{2}}$

$:\implies\sf\:(\sqrt[2]{25})^3$

$:\implies\sf\:5^3$

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3 years ago

Maria releases a javelin 1.5 meters above the ground with an initial vertical velocity of 22 meters per second. How long will it

Korolek [52]

The javelin will hit the ground 14.66 or 15 seconds upon Maria's release from the said distance. The computation are as follows:

time = distance/speed (d/m)
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3 years ago

Multiply, wrote your answer as a fraction in simplest form 4/5 x 10/7

umka21 [38]

The answer is 8/7

please see the attached picture for full solution

Hope it helps

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2 years ago

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Tema [17]

i think its D, (change my mind)

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3 years ago

Convert 50 feet per second to miles per hour.

AleksAgata [21]

FIrst we know that
1 second = 1/3600 hours
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Which means that

50 Ft = 50/5280 miles

So the conversion
(5/5280 miles ) / (1/3600)

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= 34.09 miles per hour

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3 years ago

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