2 years ago

100 Freebie points!!! YW Nerds

Mathematics

2 answers:

blondinia [14]2 years ago

8 0

Thanks for the points.

UkoKoshka [18]2 years ago

7 0

Thank you this needs more words but really thanks

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A and b are positive integers and a-b=2. Evaluate the following: 9^1/2b/3^a

OlgaM077 [116]

Answer:

$\frac{1}{ 9 }$

Step-by-step explanation:

$\huge \frac{ {9}^{ \frac{1}{2}b } }{ {3}^{a} } \\ \\ = \huge \frac{ {( {3}^{2} )}^{ \frac{1}{2}b } }{ {3}^{a} } \\ \\ = \huge \frac{ { {3}}^{2 \times \frac{1}{2}b } }{ {3}^{a} } \\ \\ \huge = \frac{ {3}^{b} }{ {3}^{a} } \\ \\ \huge = \frac{1}{ {3}^{a - b} } \\ \\ \huge= \frac{1}{ {3}^{2} } \\ ( \because \: a - b = 2)\\ \\ \huge = \frac{1}{ 9 }$

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3 years ago

you deposit 300 in an account that pays 5 1/2% annual interest compounded cnyinuously find the balance at the end of 5 years

algol [13]

First find the multiplier: 5.5% + 1 = 1.0505.

Then we do amount x (multiplier) to the power of how many years.

300 x (1.0505)^5

The answer is 383.79696707.

We round this to 2dp, making it £393.80

REMEMBER UNITS!!!

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3 years ago

Mrs. Jackson bought 150 T-shirt for 1920 from a factory.

Allisa [31]

A)calculate the cost of one T-shirt