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leva [86]
3 years ago
11

Calculate the mean 12,2,8,6,57

Mathematics
1 answer:
Lemur [1.5K]3 years ago
5 0

It would be: 12+2+8+6+57 / 5 = 85 /5 = 17

so, 17 is your answer.

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water level in a plastic pool changed by -8 gallons each hour after 6 hours,the pool contained 132 gallons.how much water was in
elena55 [62]
X = original amount of water
x - 8(6) = 132
x - 48 = 132
x = 132 + 48
x = 180...it originally contained 180 gallons
6 0
3 years ago
What is the correct order of the following numbers from least to greater?<br> 2/3, -0.6, 0.65, 4/5
ExtremeBDS [4]
We can either convert them to decimals or to fractions
if decimals
2/3=0.66666666
4/5=8/10=0.8
so the order is
-0.6, 0.65, 0.66, 0.8 or
-0.6, 0.65, 2/3, 4/5

if conver to fractions then
since -0.6 is negative, it is smallest, no need to convert
0.65=65 hundreths=65/100
2/3=66/99=prety close
4/5=8/10=80/100
order is
-0.6, 65/100, 66/99, 80/100 or
-0.6, 0.65, 2/3, 0.8
5 0
3 years ago
Read 2 more answers
What is perimeter? What is area? How can you find the perimeters and areas of triangles, parallelograms, rectangles, squares, an
marusya05 [52]
The perimeter of a figure is the total distance around the edge of the figure. The area of a flat, or plane figure is the number of unit squares that can be contained within it. The unit square is usually some standard unit, like a square foot or a square inch. I don't really know the rest but I did the first two lol
3 0
3 years ago
Y = –x + 4<br> x + 2y = –8
valkas [14]
X=16
y= -12


X+2( -x+4)=-8
X-2x+8=-8
-1x=-16
X=16

Y=-16+4
Y=-12
8 0
4 years ago
Read 2 more answers
What is the value of 9 in 309.15​
stira [4]
The answer is tens because all the numbers the decimal end with an ‘s’, and all the numbers the decimal end with a ‘ths’.
4 0
3 years ago
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