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labwork [276]
3 years ago
9

What is 3.1 rounded to the tenths

Mathematics
2 answers:
Lady bird [3.3K]3 years ago
6 0
It already is rounded to the tenths

.1 is tenth
Arisa [49]3 years ago
6 0
3.1 i hate to say this but if you couldn't find that out, you need to start studying, even i am not this lazy.
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8x^2+23=823<br><br> whats going to be the answer I got 0 am I right?
Naily [24]
1) No; you are incorrect.  "0" is NOT a solution.

Plug in "0" for "x" ;

8*0² + 23 =? 823? ; 

8*0  + 23 =? 823? ;

  0 + 23 = ? 823 ? ;  No! ;  "0 + 23 = 23 " ; NOT "823" .
_________________________________________________
2)  The answers:  x = 10, -10 ; or, write as:  x = ± 10 .
_________________________________________________

To solve:

GIven:  8x² + 23 = 823 ; 

Subtract "23" from EACH SIDE of the equation:
_____________________________________________
           8x² + 23 - 23 = 823 - 23 ; 
to get:  
           8x²  = 800 ; 

Now, divide EACH SIDE of the equation by "8" ; 

          8x² / 8 = 800 / 8 ;

to get:  x² = 100 ; 

        Take the "square root" of EACH SIDE of the equation; to isolate "x" on one side of the equation; and to solve for "x" ; 

          √(x²) = √(100) ;

             x  = <span>± 10 .

The answers:  x = 10, -10 ; or, write as:  x = </span><span>± 10 .
_____________________________________________________</span>
5 0
3 years ago
19 + 8j = 75<br><br> j = ____
jarptica [38.1K]

Answer:

j=57/8

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
What is the perimeter of the quadrilateral below?
Elena-2011 [213]

D) 72 units, you get this answer by adding up 15+15+22+20 units to get the perimeter.

7 0
3 years ago
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The area of a square is 36 square meters. Which of these is the length of one side of the square?
netineya [11]

Answer:

6m

Step-by-step explanation:

Area of a Square = Side × Side. Therefore, the area of square = Side² square units.

Area = Side²

A= (6m)²

A= (6m) x (6m)

A= 36m²

Square is a regular quadrilateral. It  has all the four sides of equal length.

→ side=6m

8 0
1 year ago
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PLEEEEEEEEAAAAAAAAASSSSSSSE HELP ASAPPPPP!!!! WILL NAME BRAINLIEST!!! (HINT to get brainiest from me: please help with all five
Anuta_ua [19.1K]

Answer:

1        <u>6</u>

2     10

3     \frac{18}{5}

4     \frac{8}{3}

5     5

Step-by-step explanation:

7 0
2 years ago
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