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Nana76 [90]
3 years ago
5

Which expression is NOT equivalent to 3^5?

Mathematics
1 answer:
Westkost [7]3 years ago
6 0

Answer:

APart 1:

A.53 =53

B.3^5/3^-6 =177147

C.(1/4)^3 • (1/4)^2 = 1 /1024

D.(-7)^5/(-7)^7 = 1/49

Step-by-step explanation:

I tried my best for part 2 but i'm pretty sure it's not right. I think 1/1024 and 1/49 has a value between 0 and 1

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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
3 years ago
Help------------------------------------
Liula [17]

Answer:

7)141

8)65

Step-by-step explanation:

8 0
3 years ago
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A store pays $423 for a crystal vase and marks the price up by 46%. What is the amount of the mark-up?
jek_recluse [69]

Answer:

194.58$

Step-by-step explanation:

Have a great day! :)

6 0
2 years ago
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bill has a bike that weights 56 pounds . magda has a bike that weights 52 pounds. she add a bell and a basket to her bike. the b
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No because she's adding ounces plus 2 pounds so she's up to 54 pounds so... plus the 12 ounces and 8 ounces, and 12 ounces into 1 pound would be 0.75 so it's almost a pound....then 8 ounces into a pound would be 0.5 pounds so if you add the two 0.75 and 0.5 you would get 1.25 pounds... so 1.25 plus 54 pounds would not be 56 pounds...So No. Please mark brainliest:)!
7 0
3 years ago
Find the area of the shaded region in the figure below
kicyunya [14]

Answer:

Area of 9 cm circle = PI*radius^2 = 254.47

Area of 9 cm sircle  = PI*4*4 = 50.27

Are of shaded region = 254.47 -50.27 = 204 sq cm

Answer is the bottom one on the list.

Step-by-step explanation:

5 0
3 years ago
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