2 years ago

20 points please help - geomtry

Mathematics

1 answer:

charle [14.2K]2 years ago

7 0

Answer:

x = 7 units

Step-by-step explanation:

Write and solve an equation of ratios, as follows:

5 cm 3 cm

------------------ = ------------------------

(40 + 5) cm (3 + 2x + 10) cm

This simplifies to:

5 3

-------- = -----------

45 2x + 13

Solve for x. Cross-multiplying, we get:

10x + 65 = 135, or x = 7

So x = 7 units.

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