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2 years ago

Calculate the input when the output is n

Mathematics

1 answer:

ozzi2 years ago

6 0

Answer:

You didn't post an image.

Step-by-step explanation:

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The area of a circle is 1256 square inches what is the length of its radius

Otrada [13]

The formula of the area of a circle is : $A= \pi R^2$

You know that the area is 1256.

So : $1256= \pi R^2$

Divide both sides by $\pi$ :

$\frac{1256}{\pi}=R^2$

 take the square root of both sides in order to obtain r :

 $\sqrt{ \frac{1256}{ \pi }}=R$
$20=R$

In short, the answer would be 20 (i have rounded).

Hope this helps !

Photon

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3 years ago

8/3 X 7/10 X 6/1 plz help me

Harlamova29_29 [7]

Answer:

are you mutiplying?

Step-by-step explanation:

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2 years ago

X2 – 7x + 6 = -8 solve using factoring

murzikaleks [220]

Answer:

Step-by-step explanation:

Rewrite this in standard quadratic equation form: x^2 - 7x + 6 + 8 = 0, or x^2 - 7x + 14 = 0. This does not factor easily, so I will use the quadratic formula to find the roots and then write out the factors based upon the roots:

The discriminant is b^2 - 4ac, which here is (-7)^2 - 4(1)(14) = -7.

Because the discriminant is negative, we know that there are two unequal, complex roots. They are:

-(-7) ± i√7 7 ± i√7

x = ----------------- = ---------------

2 2

One factor is (x - [1/2]{7 ± √7} )

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What is 20% of 25% of 4/5

krok68 [10]

Answer:0.04

Step-by-step explanation:

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2 years ago

How do you use the Descartes' Rule of Signs?

sp2606 [1]

use the number it and equation it with number and new number will form

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