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2 years ago

What is 2 9/10 as a decimal

Mathematics

1 answer:

ELEN [110]2 years ago

7 0

Answer:

2.9 or 2.90

Step-by-step explanation:

The fraction is 10 so it's pretty easy as decimals run through tens

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{8, 15, 9, 18, 9, 17, 22, 10, 11, 9, 13} What is the interquartile range of the data set?

8_murik_8 [283]

Answer:

IQR = 8

Step-by-step explanation:

The interquartile range (IQR) is the difference between the upper quartile Q₃ and the lower quartile Q₁

We require the data arranged in ascending order and to find the median Q₂

The median is the middle value of the data arranged in ascending order.

8, 9, 9, 9, 10, 11, 13, 15, 17, 18, 22

↑ Q₂

The upper quartile is the middle value of the data to the right of the median

13, 15, 17, 18, 22

↑ Q₃

The lower quartile is the middle value of the data to the left of the median

8, 9, 9, 9, 10

↑ Q₁

IQR = Q₃ - Q₁ = 17 - 9 = 8

6 0

3 years ago

Plzzz helpppppppppppppp

Serga [27]

Answer

Center: (1,-12)

Radius: 5

Work

$x^{2}$ + $y^{2}$ -2x+24y+120=0 (Subtract 120 on both sides and rearrange)

$x^{2}$ -2x+ $y^{2}$ +24y=-120 (Then divide 2 by 2 and square it. Do the same for 24.)

$x^{2}$ -2x+1+ $y^{2}$ +24y+144=-120+1+144 (You have to add the same numbers on both sides)

$(x-1)^{2} +(y+12)^2=25$ (Simplify)

So you would put (1,-12); r=5

8 0

3 years ago

Somebody helppppp pleassse

Lapatulllka [165]

The regular exagon (polygon in the figure) is equilateral and equiangular.

You can divide all the sides in triangles...

That thing that measures 5√3 cm is the apotheme.

The apotheme divides the equilateral triangles in half so the halves are 30° - 60° - 90° triangles and then we know that the apotheme is x√3 so...

x√3 = 5√3 -> divide both for √3

x = 5

This is the base of the halves, thus the base of the entire triangle is 10. We find the perimeter of the exagon -> 10*6 = 60 cm

We can find the area = 1/2 * perimeter * apotheme

1/2*60*5√3 = 150√3 cm²

4 0

4 years ago

Peroni company paid wages of 170,900 this year. Of this amount 114,000 was taxable

zmey [24]

What tax rate?????????

3 0

3 years ago

An archery target consists of a circular bull’s-eye with radius x,

Mama L [17]

As the archery target is a circular bull's eye then the radius you need to find is expressed by the following formula:
r = x + 4y
After you have the radius, now you can find the area pf the outermost ring in the terms you need using the following formula
A = pi ( x + 4y )^2
I know you can get to the answer with this

8 0

4 years ago