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Alexxx [7]
3 years ago
14

PLEASE RESPOND ASAP!!what is the value of z in the figure below??

Mathematics
1 answer:
Nookie1986 [14]3 years ago
4 0

Answer:

126

Step-by-step explanation:

By cyclic quadrilateral theorem:

(180 \degree - 85 \degree) =  \frac{1}{2} (z \degree + 64 \degree) \\ 95 \degree \times 2 = z \degree + 64 \degree \\ 190 \degree = z \degree + 64 \degree \\ 190 \degree - 64 \degree = z \degree \\ 126\degree = z \degree \\ z = 126

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Step-by-step explanation:

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Answer
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7 0
3 years ago
Use the table to solve the inequality −3x ≤ 3.<br><br>The solution of the inequality is .
ohaa [14]

Answer:4

,

5

)

Step-by-step explanation:

See a solution process below:

Explanation:

First, subtract  

3

from each segment of the system of inequalities to isolate the  

x

term while keeping the system balanced:

−

3

−

12

<

−

3

+

3

−

3

x

≤

−

3

+

15

−

15

<

0

−

3

x

≤

12

−

15

<

−

3

x

≤

12

Now, divide each segment by  

−

3

to solve for  

x

while keeping the system balanced. However, because we are multiplying or dividing inequalities by a negative number we must reverse the inequality operators:

−

15

−

3

>

−

3

x

−

3

≥

12

−

3

5

>

−

3

x

−

3

≥

−

4

5

>

x

≥

−

4

Or

x

<

5

and  

x

≥

−

4

Or, in interval notation:

[

−

4

,

5

)

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2 years ago
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