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laiz [17]
2 years ago
8

At a pizzeria, a medium pizza which has diameter of 12 inches sells for $6.00 and a large pizza which has a diameter of 16 inche

s sells for $10.00. Which pizza is the better deal because it costs less per square inch?
Mathematics
1 answer:
Sidana [21]2 years ago
5 0
We are comparing areas, so square of the linear dimension
Relative cost per unit area
12^2/6=24
16^2/10=256/10=25.6
Since 24<25.6, the 12" pizza is a better deal.

Note: we could compare exact area by calculating A=pi (d^2)/4, but since it is a relative comparison, the result will be the same, albeit more work.
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No, it is an imaginary number.
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Then square root of -11.2 would be written Sqrt(11.2)i.  The Sqrt(11.2) = 3.3466
so the answer is 3.3466i

 
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3 years ago
What is j(4) if j(m)=2^m-1
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2 years ago
The factors of the quadratic function g(x) are (5x – 1) and (x + 4). What are the solutions to the equation g(x) = 0?
Cerrena [4.2K]

Answer:

The solutions to the equation are x = \frac{1}{5} and x = -4

Step-by-step explanation:

The factors of the quadratic function g(x) are (5x – 1) and (x + 4).

This means that:

g(x) = 0

(5x - 1)(x + 4) = 0

So

5x - 1 = 0

5x = 1

x = \frac{1}{5}

And

x + 4 = 0

x = -4

The solutions to the equation are x = \frac{1}{5} and x = -4

7 0
3 years ago
How many ways can six different books be placed on a shelf if the only dictionary must be on an end?
aleksandrvk [35]
120 is your answer! (I looked it up!)
4 0
3 years ago
A car traveled 420 miles in 7 hours how many miles did it travel per hour?
podryga [215]

Answer:

60 Mile per hour

Step-by-step explanation:

Hello!

To find how far something travel in a span of time we divide the distance traveled by the time it took to travel that far

420/7 = 60

The Answer is 60mph

Hope this Helps!

5 0
2 years ago
Read 2 more answers
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