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find the size of unknown angles
1 answer:
<em><u>Explanation</u></em><em> </em><em>:</em>
The line DF is parallel to OB, therefore Angle x = Angle y.
( because, they for corresponding angle pair which are equal. )
And the angle made by an arc at center is always double the angle made by the same arc at its boundary, hence
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Answer:
y=2x+ 4
Step-by-step explanation:
Same slopes and different y-intercept are parallel lines
So it can be shown as:


on simplifying

So, option 1 is correct.
Answer:
ok
Step-by-step explanation:
Answer: 59.5
Step-by-step explanation:
U(t) = 5.1t^2 − 1.7t
U'(t)=2*5.1t-1.7
U'(t)=10.2t-1.7
U'(6)=10.2(6)-1.7
U'(6)=61.2-1.7
U'(6)=59.5
Answer: -4
Step-by-step explanation: -4/4 = -1
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