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ipn [44]
3 years ago
13

What is the final amount if 490 is increased by 15% followed by a further 14% increase?

Mathematics
1 answer:
Setler79 [48]3 years ago
4 0

Answer:

642.39

Step-by-step explanation:

To get the increase,first get the given % of the amount and then add the result gotten to the amount

So, firstly

15% of 490

Make 15% a decimal by dividing it by 100

15/100 x 490

0.15 x 490 = 73.5

Increase = 490 + 73.5

= 563.5

Further so,

14% increase of 563.5

We do same as we did above

14/100 x 563.5

0.14 x 563.5 = 78.89

Therefore,

Increase = 563.5 + 78.89

= 642.39

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Answer:

Step-by-step explanation:

Given that:

The differential equation; (x^2-4)^2y'' + (x + 2)y' + 7y = 0

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From p(x) and q(x); we will realize that the zeroes of (x+2)(x-2)² = ±2

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\lim \limits_{x \to-2} (x+ 2) p(x) =  \lim \limits_{x \to2} (x+ 2) \dfrac{1}{(x+2)(x-2)^2}

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Hence, one (1) of them is non-analytical at x = 2.

Thus, x = 2 is an irregular singular point.

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