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yawa3891 [41]
3 years ago
9

How to do this question plz answer ​

Mathematics
1 answer:
Soloha48 [4]3 years ago
3 0

Answer:

(⌐■-■)

Step-by-step explanation:

Add perimeter of a quarter circle with radius 7 cm.

Hope this helps....

Have a nice day!!!!

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A man jogs from his home to the nearst market 25km away jogs at an average speed 5km 1h. how long does it taken him to reach the
mr_godi [17]

Answer:

1/5

Step-by-step explanation:

first write the formula of average speed

  • 2) then equate the values of given question
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3 years ago
Which of the following uses logical deduction to prove the truth (or falsehood) of a specific statement?
ser-zykov [4K]
<span>Direct proof. A direct proof is a way of establishing the truth or falsehood of a given mathematical statement by a combination of established facts, usually axioms, lemmas and theorems. It assumes the hypothesis of a conjecture is true and then uses a series of logical deductions to prove that the conclusion as well.</span>
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4 years ago
If a circle is 9 pi cm what is the radius of the circle
olganol [36]

Answer:

<h2>          4.5 cm</h2>

Step-by-step explanation:

L = 2×π×r

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5 0
3 years ago
How to solve derivative of (sin3x)/x using first principle ​
Leona [35]

\dfrac{d}{dx}(\dfrac{\sin(3x)}{x})

First we must apply the Quotient rule that states,

(\dfrac{f}{g})'=\dfrac{f'g-g'f}{g^2}

This means that our derivative becomes,

\dfrac{\dfrac{d}{dx}(\sin(3x))x-\dfrac{d}{dx}(x)\sin(3x)}{x^2}

Now we need to calculate \dfrac{d}{dx}(\sin(3x)) and \dfrac{d}{dx}(x)

\dfrac{d}{dx}(\sin(3x))=\cos(3x)\cdot3

\dfrac{d}{dx}(x)=1

From here the new equation looks like,

\dfrac{3x\cos(3x)-\sin(3x)}{x^2}

And that is the final result.

Hope this helps.

r3t40

7 0
3 years ago
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A corporation earned a profit of $2.5 × 104 for 1 × 103 days in a row. What was the corporation’s total profit during this time
docker41 [41]

Answer:

26780

Step-by-step explanation:

First, let us find how much did the corporation earn in one day.

$2.5x104=260

Now that we have found the amount of money the corporation earned in a day, it is time to find how many days did the streak continue.

1x103=103

Finally, let us find how much they earned during that period.

260x103

5 0
3 years ago
Read 2 more answers
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