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Andre45 [30]
2 years ago
14

30+5z+5z=180 what is the value of z

Mathematics
2 answers:
Mariulka [41]2 years ago
8 0

Answer:

15

.......................

Leviafan [203]2 years ago
5 0
The value of z is 15
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Help me again please ‘,:)
cluponka [151]

Answer:

the third or fourth one probably

Step-by-step explanation:

4 0
3 years ago
What is the prime factorization of 60
jeka57 [31]

Answer:

2*2*3*5

Step-by-step explanation:

We need to factor 60 until it is prime numbers

60 = 12*5           5 is prime 12 is not

     =3*4   *5       3,5 prime   4 is not

    = 3 *2*2 *5     2,3,5 are prime

Rearranging the order

    =2*2*3*5

                     

5 0
3 years ago
Solve the system by substitution.<br> -8x - y = 30<br> -2y = x
masya89 [10]

Answer:

Solution:  (-4, 2),   x= -4 and  y =2

Step-by-step explanation:

-8x - y = 30

-2y = x

Substitute for x

-8*(-2y)   - y = 30

16y  - y = 30

15y = 30

y = 30/15 = 2

Then  x = -2y = -2*(2) = -4

Solution:  (-4, 2),   x= -4 and  y =2

4 0
3 years ago
The model represent an equation <br> What is the value of x?
EastWind [94]

Answer:

X equals 3

Step-by-step explanation:

if 3 circles are already shown and there are 9 circles total. x = 3

3 0
2 years ago
What is x and y equal in: -2X-y=3 and x+2y=4 (find x and y using elimination)
makvit [3.9K]
-2x-y=3    ...(1)
x+2y=4    ...(2)
multiply (2) by 2 and add to (1)
-2x-y+2x+4y=3+8
3y=11
y=11/3
from (2)
x=4-2y=4-2(11/3)
or x=4-(22/3)
=(12-22)/3=-10/3
3 0
3 years ago
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