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jeka94
3 years ago
6

Mrs. Smith paid $6.60 for a dozen donuts. What is the cost per donut in dollars and cents?​

Mathematics
2 answers:
Mekhanik [1.2K]3 years ago
8 0

Answer:

$1.81

Step-by-step explanation:

Dozen donuts cost 6.60 dollars

You will divide 12 by 6.60

you will get 1.81

schepotkina [342]3 years ago
6 0

Answer:

1.82 dollars per donuts

Step-by-step explanation:

you divide 12 by 6.60

which gets you 1.81 repeating so you round to the nearest cent

which is 1.82 per donut

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frutty [35]

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Anyone know answer thankss
Anvisha [2.4K]
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3 years ago
Number 18 pls help me
Harman [31]
Lila did it correctly. The answer is 324

Following PEMDAS, we first focus on the parenthesis. So we simplify 9-3 to get 6

So we go from 
18*4^2+(9-3)^2 
to 
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The next step is applying exponents. In this case, squaring the terms, so we go from
18*4^2+6^2 
to
18*16+36

Next is multiplying
18*16+36
turns into
288+36

Finally, add up 288 and 36 to get 288+36 = 324

That confirms that Lila is correct

----------------------

The error that Rob made is that he computed 18*4^2+9^2-3^2 but it is NOT correct. Saying (x-y)^2 = x^2-y^2 isn't a true equation for all x and y. Again you have to simplify what is in the parenthesis first, and then you can square it. Or you must use the FOIL rule to expand out (9-3)^2


7 0
3 years ago
If x = 6, find the value of<br> a) X+4<br> b) 3x<br> c)
White raven [17]
A) 6+4 = 10

b) 3(6) = 18
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2 years ago
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