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Alenkinab [10]
3 years ago
9

Solve for z: 11=6|-2z| -5

Mathematics
1 answer:
skad [1K]3 years ago
3 0

Answer:

the roots are {-4/3, 4/3}

Step-by-step explanation:

Begin the solution of 11=6|-2z| -5 by adding 5 to both sides:

11=6|-2z| -5 becomes 16 = 6|-2z|.

Dividing both sides by 12 yields

16/12 = |-z|

There are two cases here:  first, that one in which z is positive and second the one in which z is negative.

If z is positive, 4/3 = -z, and so z = -4/3, and:

If z is negative, 4/3 = z

Thus the roots are {-4/3, 4/3}

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Step-by-step explanation:

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2 years ago
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Answer:

Number 40 appeared in Pattern B. Also, according to the rule, each pattern will increase.

Step-by-step explanation:

Let's develop each sequence. Remembe that the rule is "add 15", that's what we need to create each sequence starting from the given initial number.

Pattern A.



Pattern B.



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7nadin3 [17]

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Step-by-step explanation:

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3 0
3 years ago
All students = 700
Sedaia [141]

Answer:

  • See below

Step-by-step explanation:

<u>Given:</u>

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  • Both = 275

<u>Based on the given we find the following</u>

1) <u>Off-grid class only:</u>

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3) <u>Online class only:</u>

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2) <u>None of the classes:</u>

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5) <u>Not off-grid:</u>

  • 700 - 450 = 250
7 0
2 years ago
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