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IrinaK [193]
3 years ago
5

- What’s the median of 7 2 9 8 7 15 6 8

Mathematics
2 answers:
Mariana [72]3 years ago
8 0

answer is <em>7.5</em>

1 Order them from smallest to biggest

2 Cross them one by one from each side to find the middle number.

3 If there are two numbers like in this question you add them and divide by 2.

7+8= 15

15÷2=7.5

yaroslaw [1]3 years ago
6 0

Answer:

The answer is 7.5

Step-by-step explanation:

Put them in order of smallest to largest

2,6,7,7,8,8,9,15

Pick out the middle number

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If NTM is congruent to OUM, SP is congruent to SQ, S is the center of the circle, and OM = 18, find NT. Round the answer to the
Aleks [24]
OM=18, so OQ=QM=18/2=9.
 Given QU=8
from figure OQU is a right angled triangle , so OU^2=OQ^2 + QU^2
OU^2 = 9*9 + 8*8 = 81+72=153;
OU=sqrt(153) = 12.37 =13(approx);
From given statements of congruent NT and OU will also be congruent or identical. So, NT=OU=13
4 0
3 years ago
One out of 23 high school ball players plays college ball. One out of 35 college players plays professional ball. What fraction
Gnoma [55]

Answer:

\frac{35}{23} is the required fraction.

Step-by-step explanation:

We have  been given  that  23 high school ball players plays college ball.

And 35 college players plays professional ball  

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\frac{35}{23} is the required fraction.


6 0
3 years ago
I need a lot of help
vova2212 [387]
15. 1/2 base * <span>hight ,</span> 1/2 * 11 * 6 = the answer is 33 cm^2

16. The "median" is the "middle" value in the list of numbers. To find the median, your numbers have to be listed in numerical order from smallest to largest, so you may have to rewrite your list before you can find the median. So the answer is 155.

17. <span>The mean is the usual average, so I'll add and then divide. (33+25+42+25+31+37+46+29+38) / 9 = 34

18. You have to draw a plot.</span>
4 0
3 years ago
You have a wire that is 38 cm long. You wish to cut it into two pieces. One piece will be bent into the shape of a square. The o
Drupady [299]

Answer:16.71 cm

Step-by-step explanation:

Given

Length of wire L=38 cm

One piece is bent in the form of square and another in the form of circle

let x be the length of circle

therefore length of square side \frac{38-x}{4}

A=total area of square and circle

radius of circle r=\frac{x}{2\pi }

area of circle A_c=\pi r^2=\pi \times (\frac{x}{2\pi })^2

Area of square A_s=(\frac{38-x}{4})^2

A=\pi \times (\frac{x}{2\pi })^2+(\frac{38-x}{4})^2

To get the minimum value of A we get

\frac{\mathrm{d} A}{\mathrm{d} x}=\frac{2x}{4\pi }-\frac{2(38-x)}{16}

\frac{\mathrm{d} A}{\mathrm{d} x}=0

\frac{x}{4\pi }=\frac{38-x}{16}

x=\frac{38\pi }{4+\pi }

Therefore circumference of circle

x=\frac{38\pi }{4+\pi }=\frac{119.396}{7.142}=16.717 cm

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