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scZoUnD [109]
3 years ago
8

Which numbers will produce a rational number when multiplied by 1/5

Mathematics
1 answer:
labwork [276]3 years ago
3 0
A rational number times a rational number=rational numberan irrational number times a rational number=irrational number
remember, a rational number is a number that can be written as a/b where a and b are integers and b≠0


A is irrational because the pattern doesn't repeatb is irrational because it's a crazy square rootC is irrationalD is not irrational, it is a fraction 

answer is D

 
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Sladkaya [172]
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7 0
3 years ago
3. The annual per capita consumption of fresh bananas in the United States can be approximated by a normal distribution, with a
svlad2 [7]

Answer:

The largest annual per capita consumption of bananas in the bottom 5% of consumption is 5.465 lb

Step-by-step explanation:

Given

μ = Mean = 10.4 lb

σ = Standard deviation = 3 lb

Using a confidence level of 90%,

We'll need to first determine the z value that correspond with bottom 5% of consumption of banana

α = 5%

α = 0.05

So,

zα = z(0.05)

z(0.05) = -1.645 ----- From z table

Let x represent the largest annual per capita consumption of bananas

The relationship between x and z is

x = μ + zσ

By substitution;

x = 10.4 + (-1.645) * 3

x = 10.4 - 4.935

x = 5.465

Hence, the largest annual per capita consumption of bananas in the bottom 5% of consumption is 5.465 lb

6 0
3 years ago
Pls helpppppppp!!!!!!!!!!!!!!!!!!!!<br><br> I'll award brainliest
Viefleur [7K]

Answer:

0

0

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Step-by-step explanation

5 0
3 years ago
Find the population mean or sample mean as indicated. ​population: 44​, 22​, 1111​, 1717​, 2121
vlada-n [284]
The mean of the sample given by 44,22,11,17,21 will be given by:
\mu= \frac{\Sigma  x_i}{n}
the sum of x's will be:
44+22+11+17+21
=115
n=5
therefore the mean will be:
μ=115/5
=23 
4 0
3 years ago
Please show your work for this question
Sphinxa [80]

Answer:

x= log120/7log3

Step-by-step explanation:

7x=log3 120

7x= log120/log3/7

x= log120/7log3

4 0
3 years ago
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