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2 years ago

Which scenario best matches the graph below?

Mathematics

1 answer:

faust18 [17]2 years ago

5 0

Answer:

Step-by-step explanation:

I might be wrong but the best option I see would be C

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Solve the system. find x,y, and z please show all steps x-y+z=1 x+y+3z=-3 2x-y+2z=0

Mariulka [41]

Solving the system we get, x= -1, y= -2 and z= 0

Step-by-step explanation:

Solving the equations to find x, y and z

$x-y+z=1\,\,\,eq(1)\\x+y+3z=-3\,\,\,eq(2)\\2x-y+2z=0\,\,\,eq(3)$

Adding eq(1) and eq(2)

$x-y+z=1\\x+y+3z=-3\\--------\\2x+4z=-2\,\,\,\,eq(4)\\$

Adding eq(2) and eq(3)

$x+y+3z=-3\\2x-y+2z=0\\----------\\3x+5z=-3\,\,\,eq(5)$

Multiplying eq(4) by 3 and eq(5) by 2

$6x+12z=-6\\6x+10z=-6\\-\,\,\,-\,\,\,\,\,\,\,\,\,\,\,\,\,\,+\\----------\\2z=0\\z=0$

So, value of z =0

Putting value of z in eq(4)

$2x+4z=-2\\2x+4(0)=-2\\2x=-2\\x=-1$

So, value of x = -1

Now putting value of z=0 and x =-1 in equation 1

$x-y+z=1\\-1-y+0=1\\-y=1+1\\-y=2\\y=-2$

So, value of y = -2

So, solving the system we get, x= -1, y= -2 and z= 0

Keywords: Solve the system

Learn more about Solve the system at:

#learnwithBrainly

7 0

3 years ago

Over the summer, for every 11 okra seeds Dana planted, 6 grew into plants. If he planted 110 okra seeds, how many grew into plan

PilotLPTM [1.2K]

Answer:

Step-by-step explanation:

write it as a ratio

11:6 = 110: x

cross multiply

11x= 660

divide by 11 on both sides

x= 60

5 0

2 years ago

1/8 + 1/4 ?? Why do I need 20 characters to summit this

abruzzese [7]

Answer:

0.375

Step-by-step explanation:

4 0

2 years ago

Read 2 more answers

Is it C ? am I right

sveta [45]

Answer:

You are right!!

Step-by-step explanation:

- 8 = 4 x (- 2)

- 16 = 4 x (- 4)

- 24 = 4 x (- 6)

8 0

3 years ago

Help x3 4 1/4 + __________ = 7 1/2

yulyashka [42]

Answer:

4 1/4 + 3 1/4 = 7 1/2

Step-by-step explanation:

To make 1/4 to 1/2 You would need 1/4, because 2/4 make 1/2

7-4= 3 so therefore you would have 3 1/4

7 0

3 years ago

Which scenario best matches the graph below?​

Which scenario best matches the graph below?