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Elis [28]
3 years ago
7

What is 9| - z/3| + 6 < 30

Mathematics
2 answers:
Reil [10]3 years ago
4 0
9|⁻¹/₃z| + 6 < 30
9|⁻¹/₃z| + 6 < ±30
9|⁻¹/₃z| + 6 < 30    or    9|⁻¹/₃z| + 6 > -30
9(¹/₃z) + 6 < 30    or    9(¹/₃z) + 6 > -30
     3z + 6 < 30       or       3z + 6 > -30
           - 6   - 6                       - 6     - 6
           3z < 24          or          3z > -24
            3      3                         3       3
             z < 8            or            z > -8

Solution Set: {z|z < 8 or z > -8} and (-∞, 8) or (-8, ∞)
Aleks [24]3 years ago
4 0
9|- \frac{z}{3} | + 6 \ \textless \  30 \\ \\ 9 \times  \frac{z}{3} + 6 \ \textless \  30 \\ \\ 3z + 6 \ \textless \  30 \\ \\ 3z \ \textless \  30 - 6 \\ \\ 3z \ \textless \  24 \\ \\ z \ \textless \   \frac{24}{3} \\ \\ z \ \textless \  8 \\ \\ Answer: z \ \textless \  8
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seraphim [82]

Fill in the point values in the formula for the derivative.

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<u>Example</u>

y = x^2 + 3x . . . . . we want y' at (x, y) = (1, 4)

y' = 2x +3 . . . . . . . take the derivative dy/dx of the function

Fill in the value x=1 ...

y' = 2·1 +3 = 5

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3 years ago
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Nana76 [90]

Answer:

3

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4 0
2 years ago
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Which expression represents the greatest common factor (GCF) of 70 and 112? A. 2 x 2 x 2 x 7 B. 2 x 2 x 2 x 5 C. 2 x 7 D. 2 x 2
Mekhanik [1.2K]

Answer:

\huge\boxed{C. \ \ GCF = 2 * 7}

Step-by-step explanation:

<u>Firstly, we'll do prime factorization of these numbers.</u>

70 = 2 × 5 × 7

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<u>So, The Greatest Common Factor can be written as:</u>

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<u></u>

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<h2>~AnonymousHelper1807</h2>
3 0
3 years ago
Help please, and explain.
Korvikt [17]

Answer: 2x + y

<u>Step-by-step explanation:</u>

logₐ(3) = x

logₐ(5) = y

logₐ(45) = logₐ(3²· 5)

             = logₐ(3)² + logₐ(5)

             = 2 logₐ(3) + logₐ(5)

             = 2     x      +   y        <em>substituted given values (stated above)</em>


4 0
3 years ago
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Which values could be the values of x and y? ​
Brrunno [24]

Answer:

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y:6 1/4, 7 3/4, y

Step-by-step explanation:

6 0
3 years ago
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