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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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4 - x + <img src="https://tex.z-dn.net/?f=6%5E%7B2%7D" id="TexFormula1" title="6^{2}" alt="6^{2}" align="absmiddle" class="latex
Lemur [1.5K]

Answer:

x ≤ 19

Step-by-step explanation:

The instructions here are probably "solve for x."  Please include them.

4 - x + 6^2 ≥  21

becomes 4 - x + 36 ≥  21

Now combine like terms.  4 and 36 combine to 40:  40 - x ≥ 21, and so:

19 - x ≥ 0

Adding x to both sies results in

x ≤ 19

Please, include the instructions when you post a question.  Thanks.

3 0
3 years ago
X=4 in the equation e^lnx = 4. Why is this so? Can you go through the steps/rules
olga nikolaevna [1]

Answer:

e^(ln x) is just plain x

Step-by-step explanation:

The functions f(x) = e^x and g(x) = ln x are inverses of one another.  In other words, one "undoes" the other.

Thus, as the rule goes, e^(ln x) is just plain x.

Here, e^(ln x) = 4 simplifies to x = 4.

7 0
3 years ago
Can someone help? 25 points
denpristay [2]

Answer:

the answer is 157

Step-by-step explanation:

i had a test with the same question, i promise its right :)

7 0
3 years ago
What is the answer, step by step? 208x13
Nostrana [21]

Answer:

208*13= 2704

Step-by-step explanation

    +2

   208

<u> x     13</u>

    624

<u>+ 2080</u>

  2704

6 0
3 years ago
A patient’s weight is recorded as 75 kilograms. How many pounds does the patient weigh?
sasho [114]
1 kg = 2.205 pounds. So, 75 kilograms= 165.347 pounds.
4 0
4 years ago
Read 2 more answers
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