3 years ago

(√5+1)²guys pls help me

2 answers:

8 0

$( \sqrt{5} + 1 {)}^{2} \\ calculate \\ \\ 5 + 2 \sqrt{5} + 1 \ \\ \\ = 6 + 2 \sqrt{5} \\ \\ in \: \: alternate \: \: form \: \\ \\ 10.47214 \\ \\ hope \: it \: \: helps \\ \\$

meriva3 years ago

4 0

Step-by-step explanation:

Here is your answer . The logic I have shared above to solve this equation

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3 years ago

A plane travels south for 120 km. The plane then travels north for 45 km.

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3 years ago

Six times a number increased by 20 is four less than eight times the number. Find the number

DaniilM [7]

Greetings!

"<span>Six times a number increased by 20 is four less than eight times the number. Find the number."...

This would be, as an equation:
</span> $6x+20=8x-4$

Solve:
Add 4 and -6x to both sides.
$(6x+20)+4+(-6x)=(8x-4)+4+(-6x)$
Simplify.
$24=2x$
Divide both sides by 2.
$(24)/2=(2x)/2$
Simplify.
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$x=12$
<span>
x=12

Hope this helps.
-Benjamin

</span>

4 0

3 years ago

(√5+1)²guys pls help me​

(√5+1)²guys pls help me