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Trava [24]
2 years ago
14

Write any four rational numbers between ─5 and ─4.

Mathematics
2 answers:
Lera25 [3.4K]2 years ago
4 0

The rational numbers between -5 and -4 are as follows:

  • -4.2
  • - 4.8
  • - 4.4
  • - 4.6

<h3>What are rational numbers?</h3>

Rational numbers are numbers that can be expressed as the ratio of two integers.  These numbers are in the form of p/q, where p and q can be any integer and q ≠ 0.

Therefore, the rational numbers between -5 and -4 are as follows:

  • -4.2
  • - 4.8
  • - 4.4
  • - 4.6

Note the numbers are between -5 and -4.

learn more on rational numbers here: brainly.com/question/17450097

#SPJ2

Rasek [7]2 years ago
3 0

Answer:

Step-by-step explanation:

Write any four rational numbers between ─5 and ─4.

-4.1,

-4.2,

-4.3,

-4.4,

-4.5

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Suppose you are asked to take a sample of men and women in order to measure their emotional IQ. The emotional IQ scale that you
yan [13]

Answer:

The 99% confidence interval for the scores of men is (64.406,75.594).

The 99% confidence interval for the scores of women is (73.609,90.391).

Step-by-step explanation:

We have the standard deviations for the sample, which means that the t-distribution will be used to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 25 - 1 = 24

99% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 24 degrees of freedom(y-axis) and a confidence level of 1 - \frac{1 - 0.99}{2} = 0.995. So we have T = 2.797.

For men:

Standard deviation of 10.

The margin of error is:

M = T\frac{s}{\sqrt{n}} = 2.797\frac{10}{\sqrt{25}} = 5.594

In which s is the standard deviation of the sample and n is the size of the sample.

The lower end of the interval is the sample mean subtracted by M. So it is 70 - 5.594 = 64.406

The upper end of the interval is the sample mean added to M. So it is 70 + 5.594 = 75.594

The 99% confidence interval for the scores of men is (64.406,75.594).

For women:

Standard deviation of 15.

The margin of error is:

M = T\frac{s}{\sqrt{n}} = 2.797\frac{15}{\sqrt{25}} = 8.391

In which s is the standard deviation of the sample and n is the size of the sample.

The lower end of the interval is the sample mean subtracted by M. So it is 82 - 8.391 = 73.609

The upper end of the interval is the sample mean added to M. So it is 82 + 8.391 = 90.391

The 99% confidence interval for the scores of women is (73.609,90.391).

4 0
3 years ago
What is the common difference between successive terms in the sequence? 2, 8, 14, 20, 26, ... –6 –4 4 6
Alex777 [14]

Answer:

6

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
2. Find the first, fourth, and tenth terms of the arithmetic
sladkih [1.3K]

Answer:

<u>The correct answer is B. -6, -5 2/5, - 4 1/5</u>

Step-by-step explanation:

Let's find the 1st, 4th and 10th terms of this arithmetic sequence, as follows:

A(n)= -6 + (n-1) *(1/5)

A(₁)= -6 + (1 - 1) * (1/5) = -6 + (0) * (1/5) = -6

A(₄)= -6 + (4 - 1) * (1/5) = -6 + (3) * (1/5) = -6 +3/5 = -5 2/5

A(₁₀)= -6 + (10 - 1) * (1/5) = -6 + (9) * (1/5) = -6 + 9/5 = -4 1/5

<u>The correct answer is B. -6, -5 2/5, - 4 1/5</u>

7 0
3 years ago
Draw a marble, replace it draw a second marble
Musya8 [376]

Answer:

ikcdha b s hyt  jh jjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjj

6 0
3 years ago
FIRST TO ANSWER GETS BRAINLIEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
uysha [10]
10h+120p=950.50
h+p=12
p=?

h+p=12
-p both sides
h=12-p

plug in to 10h+120p=950.50
10 (12-p)+120p=950.50
distribute
120-10p+120p=950.50
simplify
120+110p=950.50
-120 both sides
110p=830.50
÷110 both sides
p=7.55
6 0
3 years ago
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