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Blababa [14]
3 years ago
10

8,4,6,6,7,7,9,4,8,5 find the mean

Mathematics
2 answers:
Dahasolnce [82]3 years ago
7 0

Answer:

The answer is 6.4, i think-

Step-by-step explanation:

Hope this Helps

koban [17]3 years ago
6 0

Answer: 6.4 is the mean of the set of numbers

Step-by-step explanation:

8+4+6+6+7+7+9+4+8+5=64

64 divided by 10 = 6.4

Hope this helps!

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Find the value of c that makes the expression a perfect square trinomial x^2+22x+c with work
Yuliya22 [10]

\boxed{c=11}

<h2>Explanation:</h2>

Here we have the following expression:

x^2+22x+c

A Perfect Square Trinomial is given by the form:

(x+a)^2=x^2+2ax+a^2

So matching terms, we can conclude that:

2a=22 \\ \\ a=11 \\ \\ c=a^2=121

So, substituting c into the expression:

x^2+22x+121

It is a perfect square because:

x^2+22x+121=(x+11)^2

<h2>Learn more:</h2>

Quadratic Equation in real life problems: brainly.com/question/10278062

#LearnWithBrainly

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Answer is first one

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Find the value of x:2x+3=9​
larisa [96]

Answer:

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x=3

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