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maksim [4K]
3 years ago
5

Find the mean of the data. 4,5,7,14,17,12,18 The mean is .

Mathematics
2 answers:
Dominik [7]3 years ago
5 0

\huge\textsf{Hey there!}

\mathsf{4,5,7,14,17,12,\& \ 18}

\mathsf{\dfrac{4 + 5 + 7 + 14 + 17 + 12 + 18}{7}}

\mathsf{ 4+ 5 + 7 + 14 + 17 + 12 + 18}

\mathsf{4 + 5 = \boxed{\bf 9}}

\mathsf{9 + 7 + 14 + 17 + 12 + 18}

\mathsf{9 + 7 = \boxed{\bf 16}}

\mathsf{16 + 14 + 17 + 12 + 18}

\mathsf{16 + 14 = \boxed{\bf 30}}

\mathsf{30 + 17 + 12 + 18}

\mathsf{30 + 17 = \boxed{\bf47}}

\mathsf{47 + 12 + 18}

\mathsf{47 + 12 =\boxed{\bf 59}}

\mathsf{59 + 18}

\mathsf{=\boxed{\bf  77}}

\mathsf{\dfrac{77}{7}}

\mathsf{= \boxed{\bf 11}}

\boxed{\boxed{\huge\textsf{Answer: \bf  11}}}\huge\checkmark

\large\textsf{Good luck on your assignment and enjoy your day!}

~\frak{Amphitrite1040:)}

notsponge [240]3 years ago
3 0
Here plz mark Brainlyist

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Find the circumference of the given circle given a diameter of 40 cm. ​Use 3.14 as an approximation of π.
astraxan [27]

Answer: 125.6

Step-by-step explanation:

C=dpi. If 40 times 3.14 equals 125.6 then that is the circumference.

4 0
3 years ago
Divide 5 over 6 ÷ 1 over 18 = ____.
aniked [119]
Your answer is 15 

Good Luck
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14. Find mMK please :)
MrRissso [65]

Answer:

Step-by-step explanation:

11) strategy:  since they tell us. indirectly,  that the length of  JK is the same as LM then we can set those two equal, solve for X  and then.. when we have X we can figure out the lenght of JK  and LM and then just divide that by 2 go get PK  ( :0 Player Killer ???  no , not that PK)    

solve JK and LM

3x + 23 =9x-19

42 = 6x

7 = x

now that we know x = 7 plug it into either equation to come up with the length of JK or LM .  I'll pick JK just b/c it was 1st

3(7) + 23 = JK

21+23 = JK

44 = JK

now take half of 1/2*JK= 22  that is PK    ( are you sure that 's not player killer?)

PK = 22

12) strategy: set the two arcs BG and GC equal and solve for X, then plug x into either equation and the multiply the answer by 2 to find arc AB

9x-20 = 5x + 28

4x = 48

X = 12

9(12) -20 = BG

88 = BG

2*88 + AB

176 = AB

13) done

14)  strategy: find the angle at L,  and that will also be the arc of MK

<em>copy and past the below</em> helpful trig functions into your computer

Use SOH CAH TOA to recall how the trig functions fit on a triangle

SOH: Sin(Ф)= Opp / Hyp

CAH: Cos(Ф)= Adj / Hyp

TOA: Tan(Ф) = Opp / Adj

<em>copy and past the above</em> :

use which ever trig function you want , we have all the sides of the triangle, I'll use CAH

Cos(Ф) = 9/15

Ф = arcCos(9/15)

Ф = 53.13010°

arc MK = 53.13010°

15)   strategy:  arc JK is just 2 times MK

2*MK = 106.26020°

arc MK = 106.26020°

16) find arc JPK   strategy:  JPK is just the remaining part of a full circle of 360 - MK  = 253.7397°

arc JPK = 253.7397°

7 0
3 years ago
1200((1)/(2))^(50)/(14)
Airida [17]

Answer:

aprox. 100.94

Step-by-step explanation:

3 0
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Which equation represents a circle centered at (3,5) and passing though the point (-2,9)
Maru [420]

The equation represents a circle centered at (3,5) and passing through the point (-2,9) will be,\rm x^2+y^2 -6x-10y-7=0

What exactly is a circle?

It is a point locus drawn equidistant from the center. The radius of the circle is the distance from the center to the circumference.

Given data;

The Centre of the circle is,(h,k)=(3,5)

The circle traverses (-2,9). Consequently, the radius of the circle r is equal to the separation between (3, 4) and (-2,1).

So radius;

r = \sqrt{{{(x_2-x_1)^2 + (y_2-y_1)^2}}

r = \sqrt{{(9-5)^2+(3+2)^2 }

r=\sqrt {41} \\\\ r =6.1 \ units

Now equation of the circle with center (h,k) and radius r is

\rm (x-h)^2 + (y-k)^2 = r^2\\\\ (x-3)^2 + (y-5)^2 = (\sqrt{41})^2\\\\ x^2 - 6x + 9 + y^2 - 10y + 25 = 41

x^2+y^2 -6x-10y-7=0

Hence equation represents a circle that will be,x^2+y^2 -6x-10y-7=0

To learn more about the circle, refer to the link: brainly.com/question/11833983.

#SPJ1

7 0
2 years ago
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