bandiadummy8595
18.02.2021 •
Mathematics
The cost of a pearl $C is directly proportional to the square of its mass , m grams. given that a pearl of mass 10g cost $240 find the cost of a pearl of mass 25g
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Ответ:
Step-by-step explanation:
doing with the ratio method
25 x
10 240
x=25×240÷10
Ответ:
10gx2=480
+5g= 120
480+120=600
Ответ:
in2 because it is surface area
Step-by-step explanation: