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2 years ago

Question is in the picture

Mathematics

1 answer:

irakobra [83]2 years ago

4 0

Answer:

49.4 (rounded to the nearest tenth)

Step-by-step explanation:

You need to use the Pythagorean theorem -> $a^{2} + b^{2} = c^{2}$ -> $c^{2}$ is the hypotenuse

$a^{2} + b^{2} = c^{2}$

$(7x + 7)^{2}$ + $5x$ = $c^{2}$

(7x $7)^{2}$ + (5x7) = $c^{2}$

$49^{2}$ + 35 = $c^{2}$

2436 = $c^{2}$

$\sqrt{2436}$ = c

c = 49.355850717

c = 49.4 (round to the nearest tenth)

hope this helps, sorry if it is not right

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