4 years ago

Distribute and simplify these radicals. 12 x(-1+ √5)

Mathematics

2 answers:

lions [1.4K]4 years ago

7 0

Answer is B. -2√3+2√15

Serga [27]4 years ago

5 0

Hello there!

Here is the answer worked out for you!
12x[-1+sqrt(5)]
-12x+12xsqrt(5)

Remember that you can only add like terms so you can't add -12x to 12xsqrt(5). The radical makes it an unlike term.

I hope this helped and best wishes!

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3 years ago

Which expression can be used to convert 22 Australian dollars to US dollars? Assume 1. 2 Australian dollars equals 1 US dollar.

kolbaska11 [484]

The correct expression to convert the 22 AUD into USD is option A.

<h2>How do you convert the Australian dollars into US dollars?</h2>

Given that the value of 1 US dollar is equal to the value of 2 Australian dollars. We can write this as given below.

1 USD = 2 AUD

1 AUD = 1/2 USD

The 22 Australian dollars can be converted as,

$22 \;\rm AUD = \dfrac {1}{2}\times 22 \;\rm USD$

Hence the correct expression to convert the 22 AUD into USD is option A.

To know more, follow the link given below.

brainly.com/question/19943359.

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2 years ago

PLEASE HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!

blagie [28]

Answer:

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