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frutty [35]
2 years ago
12

Can someone help me with this question please?

Mathematics
2 answers:
Kitty [74]2 years ago
7 0
The correct answer for this is 12 

Just think of it....use the guess and change method to get this answer. 

Think of ways to convert 15 into a  fraction.   
there's 5's but it's  not  a 1/5 fraction.   (i got 1/5 from 15 reduced to 20%) 
Since the number for finding 1\5 (the correct fraction) was 3  i simply added 3+3+3+3 to get 1\5 (3)  to 12 (4\5) 

hope you understand! :)


vitfil [10]2 years ago
4 0
The price of the item now is $12.00
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The cake density is 0.454 ounce per cubic inch and the fair price is $0.20 per ounce. What should be a fair price for each cake?
aleksklad [387]

Answer:

price = x * 0.2

or

price = x * 0.454 * 0.2

Step-by-step explanation:

In this case we must know either the mass of the cake or its volume.

Given the case that we know the mass of the cake, it would be:

price = x * 0.2

where x is the mass of the cake in ounces, that is to say if for example a cake has a mass of 10 ounces, it would be:

price = 10 * 0.2 = 2

which means that each cake costs $ 2

Given the case of the volume, we must first multiply the density by this volume in order to calculate the mass and finally the price.

price = x * 0.454 * 0.2

where x is the volume of the cake in cubic inches, if for example the volume is 10 cubic inches it would be:

price = 10 * 0.454 * 0.2 = 0.908

which means that each cake costs $ 0.9

5 0
3 years ago
Any help would be greatly appreciated
aleksandr82 [10.1K]

Answer:

\boxed{\sf \ \ \ 49a^8b^6c^2 \ \ \ }

Step-by-step explanation:

Hello,

(-7a^4b^3c)^2=(-1)^27^2a^{4*2}b^{3*2}c^2=49a^8b^6c^2

as

(-1)^2=1

8 0
3 years ago
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That's like 20 degrees
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It’s -10
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