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hodyreva [135]
3 years ago
8

I need help with number 5

Mathematics
1 answer:
Lelu [443]3 years ago
4 0
It is D (3,6) and (6,3)
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In a certain city, there are about one million eligible voters. A simple random sample of size 10,000 was chosen to study the re
Ronch [10]

Answer:

REQUIRED TEST STATICS IS 35.19

Step-by-step explanation:

total size of sample = 10,000

                                     men                            women

voted                           2777                            3466

did not vote                  1444                             2313

By chi square test we can find the relationship between gender and participation in the election

<em>X^2 = \frac{ N(ad-bc)^2}{(a+c)(b+d)+(a+b)(c+d)}</em>

where

a represent  = 2777, b = 3466, c= 1444, d = 2313, N = 10000

Putting values to get chis square statics

<em>X^2 = \frac{ 10000(2777*2313-3466*1444)^2}{(2777+1444)(3466+2313)+(2777+3466)(1444+2313)}</em>

<em>X^2 = = 35.159</em>

HENCE REQUIRED TEST STATICS IS 35.19

3 0
4 years ago
on a map 2 inches equals 40 miles. if two cities are 15 miles apart what is the distinace between them on a map
alexandr402 [8]
On the map it’s 600 inches apart
4 0
2 years ago
Read 2 more answers
I need help really bad help me pls
olasank [31]

Answer: w= 13

Step-by-step explanation: 8+5 is 13

3 0
2 years ago
Read 2 more answers
Help ASAP please !! No scam I really need this<br> Trigonometry!!
USPshnik [31]
<h3>Answer:  Choice D)  7.5 cm</h3>

==========================================================

Explanation:

We are told that quadrilateral ABCD is similar to quadrilateral EFGH.

The order of the four letter sequence is important.

  • For ABCD, we have AB as the first pair of letters.
  • For EFGH, we have EF as the first pair of letters.

Therefore, AB and EF are corresponding sides.

So AB = 10 and EF = x pair up together. We can form the ratio AB/EF which becomes 10/x.

The diagram shows that AD = 8. Notice that A and D are the first and last letters of ABCD. The first and last letters of EFGH are E and H. We can see that AD and EH correspond to one another because of this.

AD = 8 and EH = 6 forming the ratio AD/EH = 8/6

Because the quadrilaterals are similar, the corresponding ratios must be the same. Therefore, AB/EF is the same as AD/EH.

-----------------------

Let's set up a proportion to solve for x

AB/EF = AD/EH

10/x = 8/6

10*6 = x*8

60 = 8x

8x = 60

x = 60/8

x = 7.5  Answer is choice D

6 0
3 years ago
A cylindrical can of baked beans has a diameter of 8 cm and a height of 9 cm.
strojnjashka [21]
Formula for volue of cylinder is area time height. Lets find area
A=\pi r^2
diameter=2r
8=2r
r=4
Now substitute r to A= \pi r^2
A=\pi 4^2= 16\pi
Now we have formula
V=16 \pi *height=16 \pi *9=144 \pi - its the result, so B 
7 0
3 years ago
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