Answer:
1.53
Step-by-step explanation:
because 21 minus 19.47= 1.53
When writing the equation keep in mind that 7 + x is said as a term that is squared so it has to be squared while it's still together; (7 + x)².
Answer:
x²-7x=0
Step-by-step explanation:
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<h2>TRUE </h2>

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<h3>→XxKim02xX</h3>
Theorem: If two chords intersect within a circle, then the product of the lengths of the segments (parts) of one chord is equal to the product of the lengths of the segments of the other chord.
In your case this theorem sounds as

Solve this equation:

Answer: correct choice is C.