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kifflom [539]
3 years ago
5

Nine less than a number is between 3 and 8. Find the range of numbers that make this true.

Mathematics
1 answer:
Slav-nsk [51]3 years ago
5 0

Answer:

The range of the numbers make this true is (12 , 17)

Step-by-step explanation:

Lets explain how to solve the problem

The statement is:

→ Nine less than a number is between 3 and 8

Assume that the number is x

∵ The number is x

∴ Nine less than a umber is x - 9

→ The difference is between 3 and 8

∴ 3 < x - 9 < 8

∴ Nine less than a number is between 3 and 8 ≡≡≡ 3 < x - 9 < 8

Lets solve the inequality to find the range of x

∵ 3 < x - 9 < 8

Add 9 to each side

∴ 3 + 9 < x - 9 + 9 < 8 + 9

∴ 12 < x < 17

∵ There is no mention about the type of the number that is integer or

   rational number or real number

∴ The range of x is any number between 12 and 17

The range of the numbers make this true is (12 , 17)

<em />

<em>Remember you can use any number between 12 and 17 but you </em>

<em>cannot use 12 or 17</em>

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antiseptic1488 [7]
When you talk about balanced equations you are talking about chemistry.

Chemical equation balance is to make sure that there are the same number of atoms of a given element in the right side than in the left side.

It is a chemical principle, the atoms do not create or destroy in a chemical reaction, then you have to count the same number of every kind of atoms in the left side than in the right side.

For example:H2 + O2 -> H2O is not balanced because there two atoms of oxygen in the left side and  1 atom of oxygen in the right side.

To balance this equation you have to insert coefficients:

2H2 + O2 -> 2H2O. Now you have 4 atoms of hydrogen in each side, and 2 atoms of oxygen in each side, making sure that none atoms was created or destroyed in the reaction. 
7 0
3 years ago
Read 2 more answers
What number is multiple by itself the result is 3 6/25 find the number
Alinara [238K]

Answer:

<em>9/5</em>

Step-by-step explanation:

  1. Create an Equation: <em>x^2 = 3 + 6/25</em>
  2. Simplify the Right Side: <em>3 + 6/25 = 75/25 + 6/25 = 81/25</em>
  3. Substitute the Values back into the Equation: <em>x^2 = 81/25</em>
  4. Solve for x by taking the Square Root of Both Sides: <em>x = √81/25</em>
  5. Simplify: <em>x = √81/√25 = 9/5</em>

<em />

Sincerely,

<em>Gigabyte</em>

8 0
2 years ago
Meena’s father’s present age is six times Meena’s age. Five years from now she will be one-third of her father’s present age. Wh
miv72 [106K]

Answer:

Meena age = 5 yrs Meenas father = 30

Step-by-step explanation:

let,

meena's age = x

meena's father's age = 6x

Five years from now

meena's age will be 1/3(6x)

meena's father's age will be 6x+5

A/Q

x+5+6x+5=2x+6x+5

=x+6x-2x-6x=5-5-5

= -x =-5

= x =5

meena's age = 5

meena's father's age = 6x

= 6×5

= 30

8 0
2 years ago
The leprechaun needs to walk 512.5 miles to get the pot of gold. If he plans
olga_2 [115]

Answer:

41 days

Step-by-step explanation:

512.5 ÷ 12.5 = 41 days

4 0
3 years ago
Given the equation -4x+3y=-17 find the value of y if the ordered pair (2,y) is a solution
Alex17521 [72]

Answer:

-3

Step-by-step explanation:

First - change the equation to y=mx+b format

3y/3 = 4x/3 - 17/3

y = 4/3x - 17/3

Second - then (2,y) plug x = 2

Third - solve

y = 4/3(2) - 17/3

y = 8/3 - 17/3 = -9/3 = -3

3 0
3 years ago
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