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4 years ago

How do you do equations with rational number

Mathematics

1 answer:

Ahat [919]4 years ago

8 0

Answer:

1)if it's a decimal than u don't have to do much just do it normally.

2)if it a fraction, turn it into a decimal and do it. but u can do it as a fraction too.

3)if it's a mixed number turn it into decimal or improper fraction and do what ur suppose to do.

*it's you choice. chose either decimal or fraction. it's ur choice. do wuts easier for u.

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maxonik [38]

Equation of the circle:

$(x-5)^2+(y+4)^2=100$

Step-by-step explanation:

The equation of a circle is given by

$(x-x_0)^2+(y-y_0)^2=r^2$

where

$(x_0,y_0)$ are the coordinates of the center of the circle

r is the radius of the circle

For the circle in this problem, we know that:

(5,4) are the coordinates of the center

We also know that the circle passes through the point (-3,2), therefore we can calculate the radius as the distance between the point on the circle and the center of the circle:

$r=\sqrt{(-3-(5))^2+(2-(-4))^2}=\sqrt{(-8)^2+(6)^2}=\sqrt{64+36}=10$

Therefore, the equation of the circle is:

$(x-5)^2+(y-(-4))^2=10^2\\(x-5)^2+(y+4)^2=100$

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

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Can someone help me with my homework please?

grigory [225]

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4 years ago

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Answer:

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Step-by-step explanation:

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What is the value of X

Sindrei [870]

The answer is: [C]: " 3 " .
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Explanation:
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4x - 1 = 2x + 5 ; Solve for "x" ;
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Subtract "2x" from each side of the equation; and add "1" to each side of the equation:
___________________________________________________
4x - 1 - 2x + 1 = 2x + 5 - 2x + 1 ;
___________________________________________________
2x = 6 ;
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Divide EACH side of the equation by "2" ; to isolate "x" on ONE side of the equation; and to solve for "x" ;
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2x / 2 = 6 / 2 ;
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x = 3 .
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The answer is: [C]: " 3 " .
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4 years ago

How do you do equations with rational number​

How do you do equations with rational number