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inysia [295]
3 years ago
5

How do you solve 5 + 1 7/8

Mathematics
2 answers:
ValentinkaMS [17]3 years ago
7 0
Turn 5 into 5/1 and 1 7/8 into 15/8. Add them and turn the number back to a proper fraction.  After that your final answer will be 2 4/8.  HOPE THIS HELPS!
Elis [28]3 years ago
5 0
The answer to your problem is 6 7/8.
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Pleasee help asap! will give brainiest
AfilCa [17]

Answer:x=-0.8

5x - 7 =3

      -7   -7

         5/5x  = -4/5

                     x = -0.8

8 0
3 years ago
Find the HCF of terms and factorise: 20x3 – 40x2 + 80x​
sergiy2304 [10]

Answer:

The largest factor that can be pulled out of that expression is 20x, giving you 20x(x² - 2x + 4)

Step-by-step explanation:

20x³ - 40x² + 80x

= 20x(x² - 2x + 4)

6 0
3 years ago
The quadratic equation by completing the square x^2+6x=18
g100num [7]

This technique is valid only when the coefficient of x2 is 1.

1)   Transpose the constant term to the right

x2 + 6x = −2.

<span> 2)  <span>Add a square number to both sides -- add the square of half the coefficient of x.  In this case, add the square of half of 6; that is, add the square of 3, which is 9:</span></span>

x2 + 6x + 9 = −2 + 9.

The left-hand side is now the perfect square of  (x + 3).

(x + 3)2  =  7.

3 is half of the coefficient 6.

That equation has the form

<span><span><span>a2</span> = b</span>  which implies<span>a = <span>±.</span></span>         Therefore,<span><span>x + 3</span> = ±</span> <span>x = <span>−3 ±.</span></span></span>

That is, the solutions to

x2 + 6x + 2  =  0


3 0
3 years ago
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