4 years ago

PLEASE HELP ASAP A 3 B 12 C 0 D 9

Mathematics

2 answers:

sergey [27]4 years ago

7 0

Remark

When two chords intersect, the segments of one line multiplied together equal the second line's segments multiplied together.

Givens

3x*(x+ 1) = k

4x * x = k

Substitute and solve.

3x*(x + 1) = 4x * x Remove the brackets.

3x^2 + 3x = 4x^2 Bring the left side over to the right side.

0 = 4x^2 - 3x^2 - 3x

0 = x(x - 3)

One of the answers is 0

the other value of x = 3. O would have no meaning.

A <<<<<< Answer

xxMikexx [17]4 years ago

6 0

the answer is A this is because its is A

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