A cell phone company has a basic monthly plan of $40 plus $0.45 for any minutes used over 700.Before receiving his statement,Joh
2 answers:
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Answer:
7) x= 5, 8) x= 6, 9) x= 7
Step-by-step explanation:
As per the secant theoram, if two secant intersect outside the circle then the product of the exterior secant and total length of each secant are equal.
7) ∴
opening parethesis and distributing 3 with x and 3.
⇒
subtracting 9 on both side.
⇒
cross multiplying
∴ x= 5.
8)
Opening parethesis and distributing 4 with x and 4.
⇒
⇒
subtracting 16 on both side.
⇒
cross multiplying
∴ x= 6.
9)
opening parethesis and distributing 5 with x and 5.
⇒
subtracting 25 on both side.
⇒
cross multiplying
∴ x= 7.