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3 years ago

Choose the more precise measurement from the pair 54.1cm and 54.16cm justify your answer

Mathematics

2 answers:

SVEN [57.7K]3 years ago

7 0

To make a measurement more precise you divide both of them (54.1cm and 54.16cm) by the same number.

Blizzard [7]3 years ago

5 0

54.16cm
It has 2 decimal places and that is more accurate than just having one decimal place

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Find g(a-2)+3g(2a) if g(x)=x²-5x+8

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Answer:

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Step-by-step explanation:

To find g(a-2)+3g(2a), find each part using the function g(x)=x²-5x+8.

g(a-2) = (a-2)²-5(a-2)+8 = a² - 4a + 4-5a + 10+8 = a² - 9a + 22

3g(2a) = 3{(2a)²-5(2a)+8} = 3{ 4a² - 10a + 8} = 12a² - 30a + 24

Combine the values to find g(a-2)+3g(2a).

g(a-2)+3g(2a) = (a² - 9a + 22) + (12a² - 30a + 24) = 13a² - 39a + 46

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Answer:

Step-by-step explanation:

A store has a 20% sale on everything.

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I think it would be easiest to change 80% into a fraction if you don't have a calculator :)

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