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3 years ago

What is the value of x in QRST? A. 16 B. 12 C. 8 D. 4

Mathematics

2 answers:

4vir4ik [10]3 years ago

7 0

Answer:

the answer is the option D

$4\ units$

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

The figure is a parallelogram

In a parallelogram,the diagonals bisect each other

$8=2x$ ------> $x=4\ units$

$12=3x$ ------> $x=4\ units$

larisa86 [58]3 years ago

6 0

It is c 8 II hope I helped

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Answer:

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Step-by-step explanation:

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Where;

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$f(a)=f(-3)=-12(-3+2)^2+5\\f(a)=f(-3)=-12(-1)^2+5\\f(a)=f(-3)=-12(1)+5\\=-12+5=-7\\\\\\f(b)=f(1)=-12(1+2)+5\\f(b)=f(1)=-12(3)+5\\=-36+5=-31\\\\f(b)-f(a)=-31--7=-24\\\\b-a=1--3=4\\\\f(b)-f(a)/b-a=\frac{-24}{4} =-6$

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Answer:

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