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2 years ago

What is the square root of 30

Mathematics

2 answers:

AleksAgata [21]2 years ago

7 0

Answer:

5.477

Step-by-step explanation:

I hope this helps , have a good dayy

WINSTONCH [101]2 years ago

3 0

Answer:

(30) = 5.47722557505

Step-by-step explanation:

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1 year ago

Use a quadratic equation to find two real numbers with a sum of -43 and a product of 306.

vlabodo [156]

Answer:

Real numbers = 39 and 9

Step-by-step explanation:

The standard form of a quadratic equation is ax² + bx + c = 0

Given the following data;

a = 1

b = -43

c = 306

Quadratic equation formula is;

$x = \frac {-b \; \pm \sqrt {b^{2} - 4ac}}{2a}$

Substituting into the equation, we have;

$x = \frac {-(-43) \; \pm \sqrt {43^{2} - 4*1*306}}{2*1}$

$x = \frac {43 \pm \sqrt {1849 - 1224}}{2}$

$x = \frac {43 \pm \sqrt {625}}{2}$

$x = \frac {43 \pm 25}{2}$

$x_{1} = \frac {43 + 25}{2}$

$x_{1} = \frac {68}{2}$

$x_{1} = 39$

$x_{2} = \frac {43 - 25}{2}$

$x_{2} = \frac {18}{2}$

$x_{2} = 9$

Therefore, the two real numbers are 39 and 9.

The quadratic equation now becomes;

x² - 43x + 306 = (x - 39)(x - 9) = 0

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2 years ago

What divided by 5 equals 7

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35 because multiplying 5 and 7 will equal 35, therefore 35/5=7.

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Order the subjects from least to greatest 4/25 or 13% or 0.28 or 7% or 21/100 0.15

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Answer:

The answer is: 7% ; 13% ; 0.15 ; 4/25 ; 21/100 ; 0.28

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2 years ago

What is the square root of 30 ​

What is the square root of 30