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vova2212 [387]
3 years ago
7

The left and right page numbers on an

Mathematics
1 answer:
liubo4ka [24]3 years ago
7 0
The pages would be 166 and 167
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The power generated by an electrical circuit (in watts) as a function of its current ccc (in amperes) is modeled by:
dalvyx [7]

Answer:

Lowest Current : c=0 and 6 Amp

Highest Current : 3 amp

Step-by-step explanation:

We are given our function as

P(c)=-20(c-3)^2 + 180

We are asked to determine the values of current c at which the power P(c) is equal to 0

Hence

0=-20(c-3)^2+ 180

Now we solve the above equation for c

subtracting 180 from each side we get

-180=-20(c-3)^2

Dividing both sides by -20

(c-3)^2=9

Taking square root on both sides

c-3= ±3

adding 3 on both sides

c=±3+3

hence

c= 0

or

c=6

At c=0 and 6 amperes the power will be minimum

Now we have to find the c at which the power will be the highest

P(c)=-20(c-3)^2+ 180

Represents a parabola

subtracting 180 from both sides we get

P-180=-20(c-3)^2

Comparing it with standard parabola

(y-k)^2=-4k(x-h)^2

(h,k) will be the coordinates of the vertex

Hence here

h=3 , k = 180

Hence in this equation P-180=-20(c-3)^2

The vertex will be (3,180)

Or at c=3, P = 180 the maximum

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3 years ago
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What is archieves meaning​
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Answer:

the meaning is "a collection of historical documents or records providing information about a place, institution, or group of people."

Step-by-step explanation:

hope this helped and plz mark me as brainliest!

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3 years ago
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Question 1 (5 points)
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Answer:

it shows commutative property

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3 years ago
Help me on this pleasseeee
EastWind [94]

Answer:

1) E and F

Step-by-step explanation:

So width is x

legth Is 3x+3

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3x+3+3x+3+x+x

Now simplify

8x+6

Now go through each choice that equals 8x+6

Only e and f

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2 years ago
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8 times 2/5 = ??? I'm very confused and I do not know how to simplify. I also need this in simplest form.
sergij07 [2.7K]
Make it 8/1 and multiply the top number and the bottom number then fone a common factor and divide by that number 
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3 years ago
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