2 years ago

3x - y - 3z if x = -2, y = 1, and z = -2.

Mathematics

2 answers:

Katarina [22]2 years ago

8 0

Hi Brainiac

3x-y-3z for x=-2 , y=1 and z=-2

3(-2)-1-3(-2)

= -6-1-3(-2)

= -7 - 3(-2)

= -7 - (-6)

= -7+6

= -1

I hope that's help :)

dimaraw [331]2 years ago

7 0

3(-2) -(1) -3(-2)
= -6 -1 +6 = -1

You might be interested in

Is the following relation a function: {(3,2), (3,-2),(1,-4),(-1,2)}

frez [133]

No as the x value 3 is repeated.

3 0

2 years ago

7m -- 4 for m = 8<br> Evaluate the following algebraic expression

arsen [322]

I don’t understand the question
If you mean
7m-4
M=8, this is the solution
7(8)-4
56-4
=52
But if you mean
7m- - 4
As in - + - = +
Then this is your answer
7(8)+4
56+4
=60

7 0

2 years ago

Explain how to use a number line to show that opposites quantities combine to make 0

DaniilM [7]

Answer:

broo its been so long its 2020 now dude and ur question is a most recent bruhhhhhhhhhhhhhhhhhhhhhhhhh

Step-by-step explanation:

7 0

2 years ago

Solve for n.<br> 7+2n = 11

Musya8 [376]

Answer:

Step-by-step explanation:

7+2n = 11

2n = 11-7

2n = 4

n = 4/2

therefore n = 2

5 0

1 year ago

Read 2 more answers

I need help with this question please.

Reil [10]

Answer:

10 n equals 6

Step-by-step explanation:

Why? Because that has nothing to do with the problem and no solution for 3/5.

7 0

2 years ago