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Tema [17]
2 years ago
6

Is the number 6+1 rational or irrational?

Mathematics
1 answer:
Lilit [14]2 years ago
5 0

Answer:

Rational

Step-by-step explanation:

An irrational number is any number that cannot be turned into a fraction. 7 can be turned into a fraction.

You might be interested in
A) -6/5<br><br> B) -2<br><br> C) -6<br><br> D) 2/3
3241004551 [841]

Answer: the answer is -2


Step-by-step explanation: Reduce the expression, if possible, by cancelling the common factors

Hope this helps! :)

~Zane


5 0
3 years ago
A data set lists weights​ (lb) of plastic discarded by households. The highest weight is 5.24 ​lb, the mean of all of the weight
Vladimir [108]

Answer:

a) 3.308 lb

b) That difference is 2.91 standard deviations.

c) Z = 2.91

d) We have that Z = 2.91 > 2, so the weight of 5.24lb is significantly high.

Step-by-step explanation:

The z-score formula is given by:

Z = \frac{X - \mu}{\sigma}

In which: X is the weight we are going to find the z-score of, \mu is the mean of all the weights and \sigma is the standard deviation of all the weights.

The problems gives these following informations:

The highest weight is 5.24 ​lb

The mean of all the weights is 1.932 lb

The standard deviation of all the weights is 1.135 lb

a. What is the difference between the weight of 5.24 lb and the mean of the​ weights?

D = 5.24lb - 1.932lb = 3.308lb

b. How many standard deviations is that​ [the difference found in part​ (a)]?

The difference found in (a) is 3.308lb.

This can be calculated by a simple rule of three.

1 standard deviation - 1.135lb

x standard deviations - 3.308lb

1.135x = 3.308

x = \frac{3.308}{1.135}

x = 2.91

That difference is 2.91 standard deviations.

c. Convert the weight of 5.24 lb to a z score.

We have that:

X = 5.24, \mu = 1.932 and \sigma = 1.135. So:

Z = \frac{X - \mu}{\sigma} = \frac{5.24 - 1.932}{1.135} = 2.91

3 0
3 years ago
Which choice shows the product of 22 and 49
Vikentia [17]
Third one. Product is the answer you get when multiplying. So 22x49= 1078
8 0
3 years ago
Hi ther i need help can u help me
mash [69]

It's a possibility.  What's it worth to you, and what's your question ?


4 0
3 years ago
A company sells tubs of yogurt for 75¢ each. twenty percent of this is profit for the food company. how much profit does the com
inn [45]

.15

75/5=15

20 percent of 75 is 15

20 percent = 15

40 percent = 30

60 percent = 45

80 percent = 60

100 percent = 75


4 0
3 years ago
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