Solve |3 - x| = 8 please help

Mathematics

2 answers:

qwelly [4]3 years ago

6 0

X would equal 11. hope this helps. good luck!

Lesechka [4]3 years ago

6 0

You add 3 to both sides, then you'll get x = 11

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The sum of squares of three consecutive numbers is 77 find the numbers

ollegr [7]

Answer:

4,5,6 are the three consecutive numbers. 16, 25 and 36 are their squares.

Step-by-step explanation:

Let the three consecutive numbers be x, (x+1), (x+2)

Now, the squares of these three numbers are $x^{2} ,(x+1)^{2} ,(x+2)^{2}$

Sum = 77

∴by the problem ,

$x^{2} +(x+1)^{2}+(x+2)^{2} = 77\\x^{2} +(x^{2} +2x+1)+(x^{2}+4x +4) = 77\\x^{2} +x^{2} +2x+1+x^{2} +4x +4 = 77\\3x^{2} +6x+5 = 77\\3x^{2} +6x = 77-5\\3x^{2} + 6x = 72\\3x^{2} +6x-72= 0\\$

{Taking 3 common }

$x^{2} +2x- 24 = 0\\$

{By factorization}

$x^{2} +2x- 24 =0\\ x^{2} +6x-4x-24=0\\x(x+6)-4(x+6)=0\\(x+6)(x-4)=0\\$

Therfore,

$x= -6,4\\$

<em>X can't be negetive </em>

∴ $x =4\\x+1=5\\x+2=6$

The squares of the three consecutive numbers are 16, 25, 36

The three consecutive numbers whose sum is 77 are 4, 5, 6

3 0

4 years ago

Uh oh got negative points on another acc but ay im here on a different one uhhhhhhhhhhhh

Mekhanik [1.2K]

Answer:

whyd you post this thx 4 the points tho

Step-by-step explanation:

7 0

3 years ago

If you take 400 milligrams how much ounces do you take in a day?

Aleks04 [339]

<span>0.33863040 because if you convert 400mg to ounces you get .0141096 and when you multiply that by 24 you get the answer at the beginning of the comment.</span><span />

3 0

4 years ago

Solve :<br>3/5 + 4/56<br><br>please tell fast it is very urgent.

pogonyaev

Answer:

The answer is