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inysia [295]
3 years ago
5

What is a sign of a rational number?

Mathematics
1 answer:
Oliga [24]3 years ago
7 0

the answer is Q (or q)

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​it's believed that as many as 2222​% of adults over 50 never graduated from high school. we wish to see if this percentage is t
jenyasd209 [6]

The given values are:

p =  22% = 0.22

Zc = 1.645 at 90% confidence level.

margin of error, E = 0.04

 

The formula we can use here is:

E = sqrt(pq/n) * Zc

 0.04 = sqrt(0.22*(1-0.22)/n)*1.645

n = (0.22*(1-0.22))*(1.645/0.04)^2

n = 290.22

 

hence minimum sample size = 290 

7 0
3 years ago
There are 6 girls and 8 boys invited to the party. What is the ratio of girls to boys
Ber [7]

Answer:

6:8

6/8 or 3/4

Step-by-step explanation:

7 0
3 years ago
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WILL GIVE BRAINLIEST!
Radda [10]

Answer:

4 ounces of corn and 4 ounces of squash

Step-by-step explanation:

Let S be the no. of ounces of squash

Let C be the no. of ounces of corn

C》2 --> (A)

S》C --> (B)

Total protein 》 3

½C + ¼S》3 --> (C)

Solve A and C simultaneously

½(2) + ¼S = 3

¼S = 2

S = 8

C = 2, S = 8

Solve B and C simultaneously

½S + ¼S = 3

¾S = 3

S = 4

C = 4, S = 4

Three possible extreme combinations

C = 2, S = 8: Total = 10

C = 4, S = 4: Total = 8

Minimum is 8 ounces

4 0
3 years ago
You went out to lunch with three friends and your subtotal was $42 not including the sales tax of 6%.
Lady_Fox [76]

Answer:

It's DEFINITELY 2.52

Step-by-step explanation:

Change 6% to a decimal, which will be .06! Times $42 Times.06 and you'll end with the answer $2.52 !!!

6 0
3 years ago
What is the root square
Alex777 [14]
Square root is this 4 and -4 are square roots to 16 because 4^2= 16
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3 years ago
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