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3 years ago

Please help me with this

Mathematics

2 answers:

Ymorist [56]3 years ago

7 0

Answer=8

(8 x 5)

opposite of negative is positive

lisabon 2012 [21]3 years ago

4 0

Answer:

8 times 5

Step-by-step explanation:

Hope this helps

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Answer:

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3 years ago

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Find the sum of the geometric series. a b c d

Musya8 [376]

Answer:

B. $4\sqrt{3}-6$

Step-by-step explanation:

We have,

The first term of the series, $a=\sqrt{3}$ .

The common difference is given by, $r=\frac{\frac{-3}{2}}{\sqrt{3}}$ i.e. $r=\frac{-\sqrt{3}}{2}$ .

Since, the given series is an infinite series, then,

Sum of an infinite series = $\frac{a}{1-r}$

i.e. Sum the series = $\frac{\sqrt{3}}{1+\frac{\sqrt{3}}{2}}$

i.e. Sum the series = $\frac{2\sqrt{3}}{2+\sqrt{3}}$

i.e. Sum the series = $\frac{2\sqrt{3}}{2+\sqrt{3}}\times \frac{2-\sqrt{3}}{2-\sqrt{3}}$

i.e. Sum the series = $\frac{2\sqrt{3}\times (2-\sqrt{3})}{4-3}$

i.e. Sum the series = $4\sqrt{3}-6$

Thus, the sum of the series is $4\sqrt{3}-6$ .

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3 years ago

A. Simplify each of these using laws of indices.

galina1969 [7]

Answer:

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3 years ago

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Answer:

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Step-by-step explanation:

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4 years ago

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kifflom [539]

Answer:

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Step-by-step explanation:

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