What is ariethmatic//////////////////algebra and defination of average

1 answer:

5 0

If you meant *Arithmetic,

Arithmetic: Basically involves adding, subtracting , multiplying , and dividing.

Algebra: Algebra is part of mathematic level, in which it has to do with finding variables, (usually uses symbols in place of values - like finding the x) functions, and also has to do with graphing.

Average: Average is a number that basically means set of numbers relating to function. Like relating to arithmetic.

Hope this helps!!

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How do you start this and find the weight of each shape? I do not remember doing this in class.

suter [353]

Let's say make the shapes, some variable name

say

⛁ ⚪ ◽ ▯
a b c d

so.. if take those are the shapes provided

then we can take a look at the first set and we can say that

2a + b + c = 20

a + 4d + b = 19

a + c = 9

3c + d + a = 19

thus $\bf \begin{cases}
2a + b + c = 20\\
a + 4d + b = 19\\
a + c = 9\\
3c + d + a = 19 
\end{cases}\\\\
-----------------------------\\\\
a+c=9\implies \boxed{c}=9-a\qquad thus
\\\\\\
2a+b+\boxed{9-a}=20\implies \underline{b}=11-a\impliedby thus
\\\\\\
a+4d+\underline{11-a}=19\implies d=\cfrac{8}{4}\implies d=2\\\\
-----------------------------\\\\
then\qquad 3\left(\boxed{9-a } \right)+\boxed{2}+a=19\implies 27-3a+2+a=19
\\\\\\
10=2a\implies 5=a$

and surely you can find the other two

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3 years ago

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MAVERICK [17]

Your answer will be 2m

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3 years ago

What is the mean absolute deviation 4 2 2 of the following set of data? 10

mina [271]

Answer:

mean absolute deviation would be 2.75

Step-by-step explanation:

mean: 4 + 2 + 2 + 10 = 18/4 = 4.5

4.5 - 4 = 0.5

4.5 - 2 = 2.5

4.5 - 10 = 5.5

mean absolute deviation: 0.5 + 2.5 + 2.5 + 5.5 = 11/4 = 2.75

~hope this helps~

please mark me the brainliest, I would highly appreciate it :)

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sladkih [1.3K]

I don't know, what did the policeman shout to the math professor as a mob of excited calculus students crowded around these displays on his graphing calculator?

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3 years ago

What is the slope of the line represented by the equation y = -1/2x+1/4?

Andrews [41]

The answer is A, -1/2, hope this helps

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4 years ago