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Marina CMI [18]
3 years ago
14

A construction crew is lengthening a road. The road started with a length of 51 miles, and the crew is adding 3 miles to the roa

d each day.
Let L represent the total length of the road (in miles), and let D represent the number of days the crew has worked. Write an equation relating L. to D. Then
use this equation to find the total length of the road after the crew has worked 34 days.
Mathematics
1 answer:
garri49 [273]3 years ago
7 0

Answer:

L = 3D + 51; 153

Step-by-step explanation:

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14

Step-by-step explanation:

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Write the equation that describes the following variation. Don't forget "k"!
rosijanka [135]

Answer:

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5 0
3 years ago
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
3 years ago
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