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2 years ago

Evaluate the expressions. (-7)⁰ = 0 0 2²( ³ ) = 0 5 010 X Ś

Mathematics

2 answers:

Lelu [443]2 years ago

8 0

Answer:

$format \: examples \: )$

(30-30) = 40 RIGHT THE SIMILAR FROM 60 -40 AND CALCULATE ALL OF IT +4

ANSWER: 405

Scorpion4ik [409]2 years ago

3 0

Im pretty sure this is in a wrong format.

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Can someone please help with this math question:)

Bingel [31]

Solution:

The rationalisation factor for $\frac{1}{ a - \sqrt{b} }$ is $a + \sqrt{b}$

So, let us apply it here.

$\frac{1}{5 - \sqrt{2} }$

The rationalising factor for 5 - √2 is 5 + √2.

Therefore, multiplying and dividing by 5 + √2, we have

$= \frac{1}{5 - \sqrt{2} } \times \frac{5 + \sqrt{2} }{5 + \sqrt{2} } \\ = \frac{5 + \sqrt{2} }{(5 - \sqrt{2})(5 + \sqrt{2} ) } \\ = \frac{5 + \sqrt{2} }{ {(5)}^{2} - ( \sqrt{2})^{2} } \\ = \frac{5 + \sqrt{2} }{25 - 2} \\ = \frac{5 + \sqrt{2} }{23}$

Answer:

$\frac{5 + \sqrt{2} }{23}$

Hope you could understand.

If you have any query, feel free to ask.

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2 years ago

Read 2 more answers

The baby nursery has 2 nurses for every 10 babies. What is the nurse to baby ratio?

earnstyle [38]

Answer:

1 to 5

Step-by-step explanation:

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3 years ago

Robbie had p coins. Then he found 59 more coins in a drawer. Choose the expression that shows how many coins Robbie has now.

attashe74 [19]

Answer:

y=p+59

Step-by-step explanation:

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3 years ago

63 is 90% of what number? In number line

Reika [66]

63/x=90/100
5670=100x
56.7

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3 years ago

Find the value of x in the given

qwelly [4]

Answer:

x=8

Step-by-step explanation:

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