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3 years ago

Which of the following is not true regarding sets of numbers?

Mathematics

2 answers:

bazaltina [42]3 years ago

6 0

I got all Rational Numbers are Integers (A.)
Hope this helps! :D

gtnhenbr [62]3 years ago

4 0

Answer:

A:All rational numbers are integers

Step-by-step explanation:

We are given that a set of numbers

We have to find not true statement about the regarding set of numbers

We know that all integers are rational number but all rational number .

are not integers.

All whole numbers are rational number but all rational number are not whole numbers.

All irrational numbers are real numbers but all real numbers are not irrational numbers.

Hence, option A is true.

Answer:All rational numbers are integers.

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A book designer decided that the pages of a book should have 1-in. margins at the top and bottom and 1 2 in. margins on the side

alexgriva [62]

Answer:

A = 54.8 - (1200/x) - 2x

Step-by-step explanation:

Given <em>x</em> the wide and <em>y</em> the height, we have

x*y = 50

⇒ y = 50/x

The area of the printed region is A = w*h

where

Wide: w = (x-2*1.2) = x-2.4

Height: h= (y-2*1) = y-2

then

A = (x-2.4)(y-2) = xy - 2.4y - 2x + 4.8 = 50 - 24*(50/x) - 2x + 4.8

⇒ A = 54.8 - (1200/x) - 2x

5 0

3 years ago

The high school graduating class of 2010 was 260 people. Five years later the high school graduating class was 320 people. By ap

jeka94

Answer:

The high school graduating class changed by approximately 23%

Step-by-step explanation:

we have

The high school graduating class of 2010 was 260 people

Five years later the high school graduating class was 320 people.

we know that

260 people represent the 100%

The difference is (320-260)=60 people

using proportion

Find out what percentage represent 60 people

Let

x ----> the percentage that represent 60 people

$\frac{260}{100\%}=\frac{60}{x}\\\\x= 100\%(60)/260\\\\x=23.1\%$

therefore

The high school graduating class changed by approximately 23%

3 0

3 years ago

Which is the correct graph of y=2/x^2-4 ?

Elis [28]

The correct graph would be the first one

6 0

2 years ago

Find the value of the missing coefficient in the factored form of 27f^3 + 125g^3. 27f^3+125g^3=(3f+5g)(9f^2-?fg + 25g)^2

7nadin3 [17]

Answer:

Step-by-step explanation:

The formula for factoring a sum of cubes is:

$a^3+b^3=(a+b)(a^2-ab+b^2)$

We have a=3f and b=5g here.

So a*b in this case is 3f*5g=15fg.

The ? is 15.

6 0

3 years ago

A carpenter has a wooden that measures 1/4 meter long. He must cut the board into 6 pieces of equal length. How long in meters s

DanielleElmas [232]

Answer:

1/26 meter

Step-by-step explanation:

You would start by dividing 1/4 by 6. You'd have to multiply 1/4 by the reciprocal of 6 (the reciprocal of 6 would be 1/6). Then you get (1/4) * (1/6), which is equal to 1/24.

8 0

3 years ago