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Diano4ka-milaya [45]
3 years ago
6

HELP PLZ 50 POINTS FOR REWARD

Mathematics
2 answers:
STALIN [3.7K]3 years ago
5 0
The answer Is 12 not really sure
Kay [80]3 years ago
4 0
I’m not 100% sure but I think the answer is 23. Hope this helps!!
You might be interested in
-2x + 2y + 3z = 0<br> -2x - y + z = -3<br> 2x + 3y + 3z = 5
lyudmila [28]

Steps:

isolate " x "  for -2x + 2y  + 3z  = 0 ;    x = -  ( - 3z - 2y ) / 2

Subsititute : x = -  ( - 3z - 2y ) / 2

- 2 * (  - ( - 3z - 2y ) / 2 ) - y + z = - 3

2 * ( -  ( - 3z - 2y ) / 2 ) + 3y  + 3z  =5

isolate " z " for  :  - 2  ( -  ( - 3z - 2y ) / 2 ) - y+ z = - 3 ;  z = - ( - 3 +  3y / 2 )

subsititute  z = - ( - 3 + 3y / 2 ) :

2* ( - ( -3* ( - ( - 3 +3y / 2 ) - 2y / 2  ) + 3y  + 3  ( - ( - 3 + 3y / 2 ) = 5

isolate y for 2 ( -( - 3 ) - 3 + 3y / 2 ) - 2y / 2 ) + 3y + 3 ( - ( - 3 + 3y / 2 ) = 5

y = 1

for z =  - ( - 3+ 3y ) / 2

subsititute y = 1

z = - ( - 3 + 3  * 1 ) / 2

z =  0

For x  = - ( - 3z - 2y ) / 2

subsititute y = 1

subsititute z = 0

x = -  ( - 3 *0 - 2 * 1 ) / 2

x =  1

x = 1  , y =  1  , z = 0



8 0
4 years ago
28.4 grams = ? ounces
enot [183]
1 ounce I think.............
3 0
3 years ago
Find the mean of the data set: {8, 10, 12, 15, 15, 18}
hoa [83]

Answer: 13

Step-by-step explanation:

First, you add them all up which is 8+10+12+15+15+18 which is 78. Then, you divide by how much number there is which here is 6. So, I divided 78 by 6 and got 13.

4 0
2 years ago
Read 2 more answers
What is the value of x in the figure?<br> A 42<br> B 48<br> C 132<br> D 138
rosijanka [135]

Answer:

D 138

Step-by-step explanation:

the outside angle(x) of a triangle whose base is extended is always equivalent  to the farthest 2 inside angles of the triangle.

x = 48 + 90 = 138

4 0
3 years ago
What is the slope and y-intercept of this line?
VARVARA [1.3K]

Answer:

The slope is -6 and the y-intercept is 2

Step-by-step explanation:

The slope of an equation is always the number next to x, so therefore it is -6. The y-intercept is the number that comes after the slope, which in this equation is 2. If you need me to explain more, let me know. Hope this helps!

8 0
3 years ago
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