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ivanzaharov [21]
2 years ago
12

How much more is 41,000 than 19,875

Mathematics
2 answers:
Lubov Fominskaja [6]2 years ago
6 0
It’s 21125 because I did the math
Citrus2011 [14]2 years ago
4 0

Answer:22125

Step-by-step explanation:41000-19875=22125

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The power generated by an electrical circuit (in watts) as a function of its current x xx (in amperes) is modeled by P ( x ) = −
marysya [2.9K]

Given:

The power generated by an electrical circuit (in watts) as a function of its current x (in amperes) is modeled by

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To find:

The current which will produce the maximum power.

Solution:

We have,

P(x)=-15x(x-8)

P(x)=-15x^2+120x

Differentiate with respect to x.

P'(x)=-15(2x)+120(1)

P'(x)=-30x+120      ...(i)

To find the extreme point equate P'(x)=0.

-30x+120=0

-30x=-120

Divide both sides by -30.

x=4

Differentiate (i) with respect to x.

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P'(x)=-30 (Maximum)

It means, the given function is maximum at x=4.

Therefore, the current of 4 amperes will produce the maximum power.

7 0
3 years ago
Factor using the magic X method:<br><br> x^2 + 6x + 5<br><br> SHOW WORK!!!
Schach [20]
Find values that add to 5 and multiply to 6
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4 0
2 years ago
using compound interest, how long does it take to double a 1000 dollar investment that pays 6.5% annual interest, compounded mon
KonstantinChe [14]

Answer:

11 years approx

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Given data

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t = ln(A/P) / r

substitute

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t=ln(2)/0.065

t=0.693/0.065

t=10.66

Hence the time is 11 years approx

3 0
3 years ago
Which shapes have at least one pair of parallel sides?
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Any polygon with more than 4 sides <u>can</u> have at least one pair of parallel sides,
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3 years ago
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likoan [24]

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Step-by-step explanation:

8 0
2 years ago
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