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lions [1.4K]
3 years ago
9

Rewrite subtraction as an equivalent addition expression. 5(x – 4) + 3x – 9x + 7

Mathematics
1 answer:
iogann1982 [59]3 years ago
3 0

Hello!

Explanation:

Distributive property: → a(b+c)=ab+ac

Expand the form equation.

5(x-4)=5x-20

5x-20+3x-9x+7

Then, simplify by equation or expand.

5x-20+3x-9x+7=-x-13

Final answer is: → \boxed{=-x-13}

<u><em>*The answer must have a negative sign.*</em></u>

Hope this helps!

Thank you :)

-Charlie

Have a great day! :)

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Find the square root of the following using division method . iv) 36360
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Answer:

190.684

Step-by-step explanation:

To find the square root of 36360, we place a bar over the numbers that we want to find their square root in pairs

    ,    1       \dot{3} \overline{63}  \overline{60}

       , 1       1

2,       <u>9</u>      2  \overline{63}

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38,      <u>0</u>            2 60

          0            0

         .    

380,    6            26000

        ,  6           22800

3806,  8          320000

         ,  8          304480

38068, 4       1552000

           ,4

Which gives 190.684

3             63 60

We select the divisor to be the largest number which when squares will be equal to the largest number on the left which is 1

We have 1 * 1 = 1

We subtract it from the 3 to get 2

We add the 1's to get 2

We bring down the next pair which is 63 to form the next dividend, 263

We look for a number which will multiply itself to get 263, which is 9, we then have 29 × 9 = 261

We continue till we arrive at the vertical paired numbers which is 190.684.

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