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Marina CMI [18]
3 years ago
5

How many solutions can be found for the equation 4z + 2(z - 4) = 3z + 11

Mathematics
2 answers:
Novosadov [1.4K]3 years ago
5 0

Answer:

one

Step-by-step explanation:

i just took the test

Gnom [1K]3 years ago
4 0
4z+2(z-4)=3z+11  perform indicated multiplication on left side

4z+2z-8=3z+11  combine like terms on left side

6z/-8=3z+11  add 8 to both sides

6z=3z+19  subtract 3z from both sides

3z=19  divide both sides by 3

z=19/3 

z=6 1/3

So there is only one solution when z=6 1/3
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What numbers must be added to complete the perfect square?​
Evgen [1.6K]

Answer:

256

Step-by-step explanation:

Let the number be k

Thus, the equation can be written as:

x² – 32x + k

From the above,

a = 1

b = –32

c = k

The value of k can be obtained as follow:

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x² – 32x + 256

****Check****

x² – 32x + k

k = 256

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(x – 16)(x – 16)

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