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Otrada [13]
3 years ago
14

Evaluate each expression. 5√32

Mathematics
1 answer:
VikaD [51]3 years ago
5 0

Answer:

5√32 = 20√2 = 28.28

Step-by-step explanation:

Expression to evaluate 5√32

Now,

5√32 can also be written as:

⇒ 5√(2 × 16)

or

⇒ 5√(2 × 2 × 8)

or

⇒ 5√(2 × 2 × 2 × 4)

or

⇒ 5√( 2 × 2 × 2 × 2 × 2 )

or

⇒ 5√( 2² × 2² × 2 )

since, the square root is given, the terms with square will be taken out of the root

thus,

⇒ 5 × 2 × 2 × √(2)

or

⇒ 20√2 also,

√2 = 1.414

thus,

⇒ 20 × 1.414 = 28.28

Hence,

5√32 = 20√2 = 28.28

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Regroup terms

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Step-by-step explanation: hope this help

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3 years ago
At 7:00 am, the temperature was -4℉. At 9:00 am, it was 8° warmer. What was the temperature at 9:00 am? *
Nana76 [90]

<em>4℉.</em>

What we know about Degrees is that there is a<em> </em><u><em>Positive</em></u> type and a <u><em>negative</em></u> type.

(i.e: 30℉ is <u><em>positive</em></u> and -30℉ is <u><em>negative</em></u>.)

If the temperature was -4℉ at 7AM, then it is negative. If it goes up by an amount that is more than 4 then that negative will go up to a positive temperature. In this case: At 9AM it was 8° <u><em>warmer</em></u>.

<u><em>Warmer</em></u><em> is a </em><u><em>keyword</em></u><u>.</u> If it is warmer by an amount, Negative temperatures <u><em>will go up to a positive</em></u> and positive temperature <u><em>will just go up</em></u>. If it gets cooler, negative temperatures <u><em>will go down further</em></u> and positive temperatures <u><em>will go down to a negative</em></u>.

So lets work out this problem with our newfound knowledge.

-4° F at 7AM

8°  warmer at 9AM

-4 + 8 = 4.

<em>The temperature was 4°  at 9AM.</em>

-Snooky

8 0
3 years ago
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