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Agata [3.3K]
3 years ago
9

Michelle bought 80 trading cards and 36 of the cards were sports cards. Write the decimal that show how many of the cards were s

ports cards.
Mathematics
1 answer:
Tresset [83]3 years ago
7 0

Answer:

0.45

Step-by-step explanation:

Since 36 of the cards are sports cards we can write that as a fraction

So that would be 36/80

36/80 simplified is 9/20 (you divide by 4)

and then to make it a percentage we do times 5 which gives us 45/100 which is equal to 45%

45% is equal to 0.45

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Step-by-step explanation:

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Given log4(3) =0.7925 and log4(5) =1.1610, use log properties to find log4(300).
Ede4ka [16]

Answer:

4.1145

Step-by-step explanation:

You can use the following formula to solve this kind of problems,

log_{a}(b)  +  log_{a}(c)  =  log_{a}(bc)

So, let's start of with log4_(300). Since the question have already gave log4_(3) =0.7925 and log4_(5) =1.1610. It means that you have to split the 300 into the simplest form where almost all of the numbers are 3 and 5.

log_{4}(300)  =  log_{4}(4 \times 5 \times 3 \times 5)  \\  =  log_{4}(4)  + log_{4}(5)  + log_{4}(3)  + log_{4}(5)  \\   = 1 + 1.1610 + 0.7925 + 1.1610 \\  = 4.1145

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Answer:

Graph A and C

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