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Serggg [28]
2 years ago
12

X+y+z+11=v solve for z

Mathematics
2 answers:
erma4kov [3.2K]2 years ago
7 0

Answer:

Step-by-step explanation:

x+y+x+11=y

Combine x and x to get 2x.

2x+y+11=y

Subtract y from both sides.

2x+11=y−y

Combine y and −y to get 0.

2x+11=0

Subtract 11 from both sides. Anything subtracted from zero gives its negation.

2x=−11

Divide both sides by 2.

x= -11/2

brilliants [131]2 years ago
4 0

Answer:

z=v-x-y-11

Step-by-step explanation:

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JIMMMMMM
Vitek1552 [10]
>= means greater than or equal to
<= means less than or equal to

---------------------------------------------

Part A

The graph of y >= -3x+3 will have a solid boundary line and the shading will be above the boundary line.

The boundary line y = -3x+3 has a negative slope so it moves down as you read it from left to right. It goes through the points (0,3) and (1,0)

--------------

The graph of y < (3/2)x - 6 will have a dashed or dotted boundary line. The shading is below the boundary.

The graph y = (3/2)x-6 goes through the two points (0,-6) and (2,-3)

--------------

If you graph both y >= -3x+3 and y < (3/2)x - 6 together, you get what you see in the attached image. This solution shaded region is the result of the overlapping prior shaded regions. 

---------------------------------------------

Part B

Plug (x,y) = (-6,3) into each inequality to see if we get a true inequality or not

For the first inequality we have
y >= -3x+3
3 >= -3*(-6)+3
3 >= 18+3
3 >= 21
which is false. The value 3 is not larger or equal to 21. So right off the bat we know that (-6,3) is NOT a solution. It is NOT in the solution region.

Let's check the other inequality just for the sake of completeness
y < (3/2)x - 6
3 < (3/2)*(-6) - 6
3 < -9 - 6
3 < -15
this is also false. The value -15 is smaller than 3, since it is to the left of 3

We're given more evidence that (-6,3) is NOT in the solution area. It is outside of both shaded areas. 

7 0
3 years ago
Read 2 more answers
Jenny asked 10 students how many courses they have taken so far at her collegeHere is the list of answers, 12, 10, 14, 7, 1, 19,
olga_2 [115]
60%, she asked 10 students and 6 of them had less than 16. 10/6= .6
5 0
3 years ago
Find the length of side a<br><br> a A. 12 <br>B. 144 <br>C. 1 194 <br>D. 8​
lukranit [14]

Answer:

12

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Answer Choices:
algol [13]
The best answer to go with is b
5 0
3 years ago
Arrange the numbers as they appear from left to right on a horizontal number line. -5/7, 2 5/7, 5/7, -1 5/7, 1 2/7, -1/7, -2 2/7
zhuklara [117]

Answer:

-2 2/7, -1 5/7, -5/7, -1/7, 5/7, 1 2/7, 2 5/7

5 0
3 years ago
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