Natural numbers are part of every other category of numbers except?

Answers

Answer 1

Answer: Natural numbers are not part of irrational numbers: numbers which can't be described as a fraction of two rational numbers (pi is irrational! and so is e, another number used often in mathematics. )

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This is a probability question:A committee of six is to review the value of discipline in education. The committee is to be chosen randomly from 3 interest teachers, a student council of 6 students and 5 interested parents. What are the following probabilities?
a)no students are on the committee
b) The committee is made up only of students
c) There will be at least one teacher on the committee.

Answers

Im pretty sure it is b

I will mark brainliest i need help quick

Answers

Answer:

x-1

Step-by-step explanation:

| x-1| x> 1

Since x is greater than x, the absolute value will be positive so we can remove it

x-1

Lets use a number to check

Let x = 4

| 4-1| 4>1

3 which is positive

Answer:

x - 1

Step-by-step explanation:

| x - 1 |

x > 1

x is greater than 1. The absolute value is not needed, since the value inside will only be for positive integers.

x - 1

We can check by plugging x as 2.

2 - 1 = 1 (positive)

2 > 1

F(x)=2x+3/4x+5
find f(-9)

Answers

$\huge\textsf{Hey there!}$

$\mathsf{f(x) = (2x + 3)/(4x + 5)}$

$\mathsf{y = ( 2x + 3)/(4x + 5)}$

$\mathsf{y = (2(-9) + 3)/(4(-9) + 5)}$

$\mathsf{2(-9)}$

$\mathsf{\bf = -18}$

$\mathsf{y = \frac{-18 + 3} {4(-9) + 5}}$

$\mathsf{-18 + 3}\n\mathsf{= \bf -15}$

$\mathsf{y = \frac{ -15} {4(-9) + 5}}$

$\mathsf{4(-9)}\n\mathsf{\bf = -36}$

$\mathsf{y = (-15)/(-36 + 5)}$

$\mathsf{-36 + 5}\n\mathsf{= \bf-31}$

$\mathsf{y = (-15)/( -31)\rightarrow\boxed{\bf (15)/(31)}}$

$\boxed{\boxed{\huge\text{Answer: } \boxed{\bf f(-9) = (15)/(31)}}}\huge\checkmark$

$\huge\text{Good luck on your assignment \& enjoy your day!}$

~ $\frak{Amphitrite1040:)}$

$\implies {\blue {\boxed {\boxed {\purple {\sf { f(-9)= 0.48}}}}}}$

$\large\mathfrak{{\pmb{\underline{\orange{Step-by-step\:explanation}}{\orange{:}}}}}$

$f(x) = (2x + 3)/(4x + 5) \n$

For $f(-9)$ , put " $-9$ " for every value of " $x$ ".

$↬f( - 9) = (2( - 9) + 3)/(4( - 9) + 5)\n$

$↬ f(-9) = ( - 18 + 3)/( - 36 + 5) \n$

$↬ f(-9) = ( - 15)/( - 31)\n$

$↬ f(-9)= (15)/(31)\n$

$↬f(-9)= 0.48\n$

$\bold{ \green{ \star{ \red{Mystique35}}}}⋆$

A sociologists was investigating the ages of grandparents of high school students. From a random sample of 10high school students, the sociologist collected data on the current ages, in years, of the students' maternal grandparents. A. One of the sociologist's research questions was about the mean difference in age without regard to which grandparent is older. The interval constructed in part (a) does not address such a question. Based on the sample of high school students, give the value of the point estimate for the mean difference in age that could be used to address the sociologist's question.

Answers

Answer:

The answer for (a)(-5.96, 2.36)(b) -1.8, since the difference is negative, it can be said or determined that the age of the grandfather is older

Step-by-step explanation:

Solution

(a) From the information given,

n = 10, d =-1.8, sd = 5.81

The 95% confidence interval for the population mean difference age is computed as follows:

CI =d ±tα/2,n-1 (sd/√n)

= -1.8±t₀.₀₅/₂,₁₀₋₁ (5.81/√10)

=-1.8± 2.26 (1.84)

= -1.8 ± 4.16

= (-5.96, 2.36)

Now,

There is a 95% confidence that the mean difference in age of maternal grand parents of high school students lies between - 5.96 and 2.36

(b) The age difference is calculated as the age of grand mother minus age of grand father. the point of estimate for the mean difference is as follows:

Xd = XGM - XGF

= 69.8 -71.6

=-1.8

Therefore, since the difference is negative, it can be said or determined that the age of the grandfather is older

Note: kindly find an attached copy of the complete question and table to this example below.

Ans is 16/9 . But I want the method

Answers

Answer:

Step-by-step explanation:

● 5 [ (27/8)^2 ÷ (81/4)^3 ] × 6^4

● 5 [ 27^2/8^2 ÷ 81^3/4^3 ] × 6^4

● 5 [ 27^2/8^2 × 4^3/81^3] × 6^4

● 5 [ 27^2 × 4^3 / 8^2 × 81^3] × 6^4

● 5 [ (3^3)^2 × 4^3 / (4×2)^2 × (9^2)^3]×6^4

● 5 [ 3^6 × 4^3 / 4^2 × 2^2 × 9^2 ×2^3]×6^4

● 5 [ 3^6 × 2^6/2^9 × 3^4 ] × 6^4

● 5 [ 3^2 /2^3] × 6^4

● 5 [3^2 × 6^4 / 2^3]

● 5 [ 3^2 × 2^4×3^4 / 2^3]

● 5 [ 3^7 × 2]

In triangle ABC, EG = x inches and BG = (5x - 12) inches. Triangle A B C has centroid G. Lines are drawn from each point to the midpoint of the opposite side to form line segments A D, B E, C F. [Figure may not be drawn to scale] What is EB? 2 inches 4 inches 8 inches 12 inches

Answers

Answer:

12. Hope this helps!!!

Step-by-step explanation:

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