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AURORKA [14]
3 years ago
5

What is the GCF of 8,18

Mathematics
1 answer:
faust18 [17]3 years ago
4 0
The GCF of 8 and 18 is: 2

To find the greatest common factor of any numbers, you list the factors (numbers that you can multiply by to receive the given number) and see which number is common. 

Factors of 8: 1, 2, 4, 8
Factors of 18: 1, 2, 3, 6, 9, 18

So, our common factors are 1 and 2, but since we are looking for the greatest common factor, the greatest would be 2.
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Ber [7]

Answer:Dang i dont know.

Step-by-step explanation:

4 0
3 years ago
What is the value of x in the equation 3- 2x = -1.5х?
Vika [28.1K]

Answer:

x = 6

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

Equality Properties

Step-by-step explanation:

<u>Step 1: Define Equation</u>

3 - 2x = -1.5x

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Add 2x on both sides:                    3 = 0.5x
  2. Divide 0.5 on both sides:               6 = x
  3. Rewrite:                                           x = 6

<u>Step 3: Check</u>

<em>Plug in x into the original equation to verify it's a solution.</em>

  1. Substitute in<em> x</em>:                    3 - 2(6) = -1.5(6)
  2. Multiply:                               3 - 12 = -9
  3. Subtract:                              -9 = -9

Here we see that -9 does indeed equal -9.

∴ x = 6 is the solution to the equation.

6 0
2 years ago
Read 2 more answers
Explain how you determine an equation for a line using a table of input/output values.
Lubov Fominskaja [6]
Example :

            x               y
            1               3
            2               6
            3               9
            4               12

first thing u do is pick any 2 points (x,y) from ur table

(1,3) and (2,6)
now we sub those into the slope formula (y2 - y1) / (x2 - x1) to find the slope
(y2 - y1) / (x2 - x1)
(1,3)....x1 = 1 and y1 = 3
(2,6)...x2 = 2 and y2 = 6
sub
slope = (6 - 3) / (2 - 1) = 3/1 = 3

now we use slope intercept formula y = mx + b
y = mx + b
slope(m) = 3
use any point off ur table...(1,3)...x = 1 and y = 3
now we sub and find b, the y int
3 = 3(1) + b
3 = 3 + b
3 - 3 = b
0 = b

so ur equation is : y = 3x + 0....which can be written as y = 3x...and if u sub any of ur points into this equation, they should make the equation true....if they dont, then it is not correct

and if u need it in standard form..
y = 3x
-3x + y = 0
3x - y = 0 ...this is standard form
6 0
3 years ago
In 2013 the population of Indonesia was 200 million. The population was increasing by 2.3% per year. What will the population of
Andre45 [30]
Just multiply and you have the answer
7 0
2 years ago
In ΔOPQ, o = 5.9 cm, q = 5.5 cm and ∠Q=142°. Find all possible values of ∠O, to the nearest 10th of a degree.
Katyanochek1 [597]

Answer: no possible triangles

Step-by-step explanation: just submit nothing or like [ ]

4 0
2 years ago
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