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3 years ago

What is the simplified form of 2160x8 60x2 assumesee pic

Mathematics

2 answers:

Lynna [10]3 years ago

8 0

First solve x^8/x^2 = x^6
Second solve 2160/60 = 36

$\sqrt{36 {x}^{6} } = 6 {x}^{3}$
The answer is 6x^3

Hope this helps.

- Max.

Law Incorporation [45]3 years ago

7 0

Answer:

Step-by-step explanation:

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If the 7th of an AP is equal to 11 times the 11th term, find the 18th term

Zina [86]

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Step-by-step explanation:

The seventh term of an AP is written as:

$a + 6d$

The eleventh term of an AP is written as:

$a + 10d$

If the 7th term is 11 times the 11th term, then;

$a + 6d = 11(a + 10d)$

Expand to get:

$a + 6d = 11a + 110d$

$11a - a = 6d - 110d$

$10a = - 104d$

$\frac{a}{d} = - \frac{104}{10}$

$\frac{a}{d} = - \frac{52}{5}$

We must have a=-52 and d=5

a=52 and d=-5

For the first case, the 18th term is :

$- 52 + 5 \times 17 = 33$

For the second case,

$52 - 5 \times17 = - 33$

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