3 years ago

What is the mean of 9, 25, and 53? 3 9 25 29

Mathematics

2 answers:

malfutka [58]3 years ago

4 0

Answer:

Step-by-step explanation:

9 + 25 + 53

87 ÷ 3

Artemon [7]3 years ago

4 0

Answer:

Step-by-step explanation:

add all the numbers up and divide by how many numbers there are.

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Arte-miy333 [17]

Answer: A, n=o+3

Step-by-step explanation:

Nathan (n) is 3 years older than Olivia (o) so Nathan's age would equal Olivia's age plus 3 years.

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12>x>-7 is the dots on a number line open or closed

QveST [7]

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3 years ago

Find the solutions of the quadratic equation -9c² +2 +3 = 0.

Tresset [83]

Given that,

An equation : -9c² +2c +3 = 0

To find,

Find the value of x.

Solution,

We have, -9c² +2c +3 = 0

We can solve it using the formula as follows :

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

Here, a = -9, b = 2 and c =3

Put the values,

$c=\dfrac{-2\pm \sqrt{(2)^2-4(-9)(3)}}{2(-9)}\\\\c=\dfrac{-2+\sqrt{(2)^{2}-4(-9)(3)}}{2(-9)}, \dfrac{-2-\sqrt{(2)^{2}-4(-9)(3)}}{2(-9)}\\\\c=-0.47, 0.69$

So, the solution are -0.47 and 0.69.

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3 years ago

Plz Help me Brainliest to whoever answers first

Anna11 [10]

16 I believe please mark BRAINLIEST

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