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3 years ago

-10 is both rational number and integer

Mathematics

2 answers:

insens350 [35]3 years ago

6 0

Yes, that's quite true. It's also a real number, and a negative number.

Did you have a question to ask ?

Shkiper50 [21]3 years ago

3 0

-10 is both rational number and negative integer because -10

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It says divide 8•10 with an exponent of 5 over 2•10 with an exponent of 2

S_A_V [24]

The answer is 8,192,000

6 0

3 years ago

Please help!! I keep getting a different answer!!! 14 points!!

erik [133]

Answer : No solutions

(I tried making it as detailed as possible, I apologize if you don’t understand it)

5 0

3 years ago

A survey was conducted to compare the mean cost of a meal at fast food restaurants in two different cities.

Vilka [71]

Answer:

We reject the Null and conclude that the mean costs of a meal at fast food restaurants in two different cities are different.

Step-by-step explanation:

Given :

City n x s

A 26 $4.05 $0.55

B 32 $5.15 $0.85

H0 : μ1 - μ2 = 0

H0 : μ1 - μ2 ≠ 0

n1 = 26 ; x1 = 4.05 ; s1 = 0.55

n2 = 32 ; x2 = 5.15 ; s2 = 0.85

Tstatistic :

(x1 - x2) / √(s1²/n1 + s2²/n2)

(4.05 - 5.15) / √(0.55²/26 + 0.85²/32)

-1.1 / 0.1849668

= - 5.947

Using the smaller n;

df = n - 1 ; 26 - 1 = 25

Pvalue = (-5.947, 24)

Pvalue = 0.000001

Since Pvalue < α ; We reject the Null and conclude that the mean costs of a meal at fast food restaurants in two different cities are different.

4 0

3 years ago

Can you help me with this plz

Salsk061 [2.6K]

Hello there

Please check attached image for answer.

Hope it helps ...

~ Benjemin360

3 0

3 years ago

The human resource department at a certain company wants to conduct a survey regarding worker benefits. The department has an al

Mama L [17]

Answer:

Explained below.

Step-by-step explanation:

The human resource department at a certain company wants to conduct a survey regarding worker morale. The department has an alphabetical list of all 4,502 employees at the company and wants to conduct a systematic sample of size 50.

Systematic sampling is a kind of probability sampling method in which individuals from a larger population are nominated according to a random initial point and a static, periodic interval.

(a)

A sample of size 50.

Then the value of k will be: $k=\frac{4502}{50}=90.04\approx 50$

Thus, the value of k is 90.

(b)

Label the employees from 1 to 4502.

And select every 90th employee.

So, the individuals who will be administered the survey are:

90th, 180th, 270th,...

7 0

3 years ago