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mihalych1998 [28]
3 years ago
9

a circular mirror has a diameter of 12 inches what is the area in square inches of the mirror, a circular frame that is 3 inches

wide surrounds the mirror what is the combined area, in inches, of the circular mirror and the frame
Mathematics
1 answer:
Scorpion4ik [409]3 years ago
5 0
Pi*12^2=<span>452.39 square inches, without the frame
pi*15^2= </span><span>706.86 square inches, including the frame</span>
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aliya0001 [1]

Answer: 16m^4−25


Step-by-step explanation:

(4m^2−5)(4m^2+5)

=(4m^2+−5)(4m^2+5)

=(4m^2)(4m^2)+(4m^2)(5)+(−5)(4m^2)+(−5)(5)

=16m^4+20m^2−20m^2−25

=16m^4−25

3 0
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A company sells widgets. The amount of profit, y, made by the company, is related to the selling price of each widget, x, by the
nalin [4]

Answer:

$519

Step-by-step explanation:

Given the amount of profit made expressed as y=-2x^2+105x-859

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x = 105/4

x = 26.25

Substitute into the original function

y=-2x^2+105x-859

y=-2(26.25)^2+105(26.25)-859

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Hence the maximum amount of profit the company can make is $519

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3 years ago
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expeople1 [14]
We have the given number = 660
Now, explain the relationship of 6s in the given number.
=> 6 = hundreds
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This is also another form:
=> 6 = 600
=> 6 = 60,
now, notice that the first value of 6 in the leftmost side is 10 times higher than the next number 6.
=> 60 x 10 = 600.
Thus, 600 is 10 times greater than 60 and vice versa.



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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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3 years ago
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