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ioda
3 years ago
5

What's -5√3(2+√5)? h e l p .

Mathematics
2 answers:
riadik2000 [5.3K]3 years ago
6 0
Here you go hope it helps

Nana76 [90]3 years ago
4 0

Answer:

= -10√3 - √3 . 5^3/2

Step-by-step explanation:

Apply the distributive law: a(b + c) = ab + ac

a = -5 √3, b = 2, c = √5

-5 √3 . 2 + -(5√3) √5

Apply minus-plus rules: + (-a) = -a

= -5 . 2√3 - 5 √3 √5

Simplify

= -10√3 - √3 . 5^3/2

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5/6-1/8 Solve by finding a common denominator<br><br> A)30/48<br> B)34/48<br> C)38/48<br> D)42/48
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Answer:

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Step-by-step explanation:

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The difference is ...

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<em>Additional comment</em>

The difference numerator and denominator have a common factor of 2, so can be reduced to 17/24. The denominator 24 could have been used as the common denominator from the start.

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Using the <em>least common denominator</em> does not always result in a reduced sum or difference. If some other denominator is used (as here), then you can be assured that the result will need to be reduced to get to lowest terms.

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2 years ago
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